Stainless steel corrugated pipe convenient to connect

Abstract

The utility model discloses a stainless steel corrugated pipe convenient to connect, which comprises a fixing assembly, the fixing assembly comprises a corrugated pipe, one end of the corrugated pipe is rotatably provided with a connector, the inner wall of the connector is provided with threads, the connector is provided with two groups of fixing holes, and fixing bolts are arranged through the fixing holes. A fixing base is arranged on the outer wall of the connector, a fixing plate is rotatably installed through the fixing base and matched with the fixing bolt in position, a fixing shaft is arranged at one end of the connector, a limiting frame is rotatably installed through the fixing shaft and matched with the fixing plate, and a sealing assembly used for improving sealing performance is arranged on one side of the corrugated pipe. The sealing assembly comprises a plurality of springs, the springs are sequentially arranged on the outer wall of one side of the corrugated pipe, a sealing washer is installed at one end of each spring, the sealing washers are matched with the connectors, the connecting positions can be reinforced, and the situation that the springs fall off in the using process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows, in particular to a stainless steel bellows which is easy to connect. Background Art

[0002] Bellows mainly include metal bellows, bellows expansion joints, bellows heat exchange tubes, diaphragm boxes and metal hoses, etc. Metal bellows are mainly used to compensate for pipeline thermal deformation, shock absorption, and absorb pipeline settlement deformation. They are widely used in petrochemical, instrumentation, aerospace, chemical, electric power, water conservancy, metallurgy and other industries. Metal bellows are mostly made of stainless steel.

[0003] After searching, the Chinese patent application number 201620376820.5 discloses a seamless thin-walled stainless steel bellows, including a thin-walled stainless steel bellows body, which is an integrated structure. The thin-walled stainless steel bellows body includes a middle bellows section and connectors at both ends for connecting with other equipment. The outer surface of the bellows section is detachably attached with an elastic dustproof layer corresponding to the shape of the bellows section, and the surface of the connector is provided with grooves. The two ends of the elastic dustproof layer are detachably attached to the outer surfaces of the two grooves, and the two ends of the elastic dustproof layer are clamped with snap rings matching the grooves at the corresponding positions of the grooves. The seamless thin-walled stainless steel bellows in the above patent has the following shortcomings: the device cannot be effectively fixed during use, and cannot provide effective fixation. When it shakes after installation, it is easy to loosen and fall off, thereby affecting normal use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a stainless steel bellows which is easy to connect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stainless steel corrugated pipe that is easy to connect, includes a fixing component, the fixing component includes a bellows, a connecting head rotatably installed at one end of the bellows, the inner wall of the connecting head is provided with a thread, the connecting head is provided with a fixing hole, two groups of fixing holes are provided, fixing bolts are installed through the fixing holes, a fixing seat is provided on the outer wall of the connecting head, a fixing plate is rotatably installed through the fixing seat, the fixing plate is adapted to the position of the fixing bolts, a fixing shaft is provided at one end of the connecting head, a limiting frame is rotatably installed through the fixing shaft, the limiting frame is adapted to the fixing plate, and a sealing component for increasing the sealing is provided on one side of the bellows.

[0007] As a further solution of the utility model: the sealing assembly includes a spring, and the spring is provided in multiple groups, which are arranged in sequence on the outer wall of one side of the bellows, and a sealing gasket is installed at one end of the spring, and the sealing gasket is adapted to the connector.

[0008] As a further solution of the utility model: a filter screen is installed at one end of the corrugated pipe.

[0009] As a further solution of the utility model: a handle is installed on the outer wall of the connecting head, and the handle is provided in two groups.

[0010] As a further solution of the utility model: an air bag is installed at the bottom end of the bellows, and an air pump is connected to one side of the air bag.

[0011] As a further solution of the utility model: a fixing ring is arranged at one end of the bellows, a cleaning brush is arranged on the inner wall of the fixing ring, and the cleaning brush is matched with the bellows.

[0012] As a further solution of the utility model: the outer wall of the handle is provided with a protective cover, and the protective cover is made of rubber material.

[0013] As a further solution of the utility model: the outer wall of the fixing ring is provided with rubber pads, and the rubber pads are arranged in sequence in multiple groups.

[0014] The beneficial effects of the utility model are:

[0015] 1. By setting the connection head and the fixing bolt, the connection of the bellows can be quickly completed and the connection can be reinforced. The fixing bolt can be limited by the limit frame and the fixing plate, so as to further reinforce it and avoid the bellows from falling off during use.

[0016] 2. By setting an inflatable airbag and inflating it to fill the drain port, the bellows can be prevented from falling out and gaps can be avoided, thereby preventing backflow.

[0017] 3. By setting a fixed ring and a cleaning brush to move on the bellows, its outer wall can be cleaned, which can effectively remove the dust in its texture and avoid the accumulation of dust and agglomeration to affect the expansion and contraction of the bellows. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a stainless steel bellows that is easy to connect, from a main perspective, proposed by the utility model;

[0019] Figure 2 This is a schematic structural diagram of a leak-proof part of a stainless steel bellows that is easy to connect, as proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a stainless steel bellows sealing part that is easy to connect proposed by the utility model;

[0021] Figure 4The utility model provides a structural schematic diagram of a stainless steel bellows cleaning part that is easy to connect.

[0022] In the figure: 1- bellows, 2- rubber pad, 3- fixing ring, 4- fixing shaft, 5- limiting frame, 6- fixing plate, 7- connecting head, 8- fixing seat, 9- protective cover, 10- handle, 11- fixing bolt, 12- cleaning brush, 13- air pump, 14- air bag, 15- fixing hole, 16- spring, 17- sealing gasket, 18- filter. DETAILED DESCRIPTION

[0023] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] Example 1

[0026] A stainless steel bellows that is easy to connect, such as Figure 1-4 As shown, it includes a fixing component, which includes a bellows 1, a connector 7 is rotatably installed at one end of the bellows 1, the inner wall of the connector 7 is provided with a thread, the connector 7 is provided with a fixing hole 15, the fixing hole 15 is provided with two groups, a fixing bolt 11 is installed through the fixing hole 15, a fixing seat 8 is fixedly provided on the outer wall of the connector 7 by bolts, a fixing plate 6 is rotatably installed through the fixing seat 8, the fixing plate 6 is adapted to the position of the fixing bolt 11, a fixing shaft 4 is provided at one end of the connector 7, a limiting frame 5 is rotatably installed through the fixing shaft 4, the limiting frame 5 is adapted to the fixing plate 6, and a sealing component for increasing the sealing performance is provided on one side of the bellows 1;

[0027] When in use, a screw hole is provided at the joint of the connection. The installation of the bellows 1 can be quickly completed by tightening the connector 7 and installing it at the joint. One end of the bellows 1 is connected to the drain outlet for drainage. After the installation is completed, the fixing hole 15 is aligned with the screw hole of the joint. After alignment, the fixing bolt 11 is screwed in to complete the fixation. After the fixation is completed, the fixing plate 6 is controlled to rotate and contact with the fixing bolt 11, and the limiting frame 5 is controlled to rotate to clamp the fixing plate 6 to limit it. The fixing bolt 11 can be limited while reinforcing the connection of the bellows 1 to prevent it from falling off during use, thereby preventing the bellows 1 from falling off during use. The bellows 1 is made of stainless steel, which can effectively increase its corrosion resistance.

[0028] The sealing assembly includes a spring 16, and the spring 16 is provided with multiple groups, which are arranged in sequence on the outer wall of one side of the bellows 1, and a sealing gasket 17 is installed at one end of the spring 16, and the sealing gasket 17 is adapted to the connector 7;

[0029] When the bellows 1 is connected during use, the elastic force of the spring 16 can keep the sealing gasket 17 in contact with the joint at the connection point at all times, so as to avoid the generation of gaps after the connection is completed, thereby avoiding water leakage through the gaps at the connection point;

[0030] To reduce the entry of foreign matter, such as Figure 4 As shown, a filter screen 18 is installed at one end of the bellows 1;

[0031] When in use, the filter screen 18 can block large foreign objects, preventing them from entering the drain port and clogging the drain pipe, and can block them outside the bellows 1, making it easier to clean them.

[0032] In order to facilitate the installation by twisting the connector 7, Figure 1 As shown, a handle 10 is installed on the outer wall of the connector 7, and the handle 10 is provided in two groups;

[0033] When in use, when tightening the connector 7 by twisting it, the handle 10 can be grasped for operation, which can facilitate exertion of force, thereby completing the connection of the corrugated pipe 1 more conveniently and quickly;

[0034] To prevent backflow, Figure 1 As shown, an air bag 14 is installed at the bottom end of the bellows 1, and an air pump 13 is connected to one side of the air bag 14;

[0035] When in use, after the bottom of the bellows 1 is placed into the drain port, the air pump 13 is started to inflate the airbag 14 to expand it and fill the drain port, thereby preventing the bellows 1 from falling out and preventing gaps from being generated, thereby preventing backflow;

[0036] To facilitate dust removal, Figure 2 , 4 As shown, a fixing ring 3 is provided at one end of the bellows 1, and a cleaning brush 12 is provided on the inner wall of the fixing ring 3, and the cleaning brush 12 is adapted to the bellows 1;

[0037] When in use, by controlling the fixing ring 3 to move on the outer wall of the bellows 1, the cleaning brush 12 in contact with the bellows 1 can be driven to move to clean the bellows 1, which can effectively remove dust in the lines and prevent dust from accumulating and agglomerating to affect the expansion and contraction of the bellows 1;

[0038] To prevent your hands from slipping out during operation, Figure 1As shown, the outer wall of the handle 10 is provided with a protective cover 9, and the protective cover 9 is made of rubber material;

[0039] When in use, the protective cover 9 made of rubber material can increase the friction with the hand, thereby preventing the handle 10 from slipping out of the hand when being operated.

[0040] Example 2

[0041] To facilitate control when cleaning dust, refer to Figure 1 , a stainless steel bellows that is easy to connect, this embodiment makes the following improvements compared to embodiment 1, the outer wall of the fixing ring 3 is provided with a rubber pad 2, and the rubber pads 2 are arranged in sequence in multiple groups;

[0042] When in use, the rubber pad 2 arranged on the outer wall of the fixing ring 3 can increase the frictional force in contact with the hand when controlling the movement of the fixing ring 3 for cleaning, thereby preventing the hand from slipping.

[0043] The above is only a preferred specific implementation method of the utility model. The part that does not require creative work such as circuit control and signal control transmission can refer to the existing technology, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model can make equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, which should be covered by the protection scope of the utility model.

Claims

1. A stainless steel bellows that is easy to connect, including a fixing assembly, characterized in that: The fixing assembly comprises a bellows (1), one end of which is rotatably mounted with a connector (7), the inner wall of which is provided with a thread, the connector (7) is provided with a fixing hole (15), two groups of fixing holes (15) are provided, fixing bolts (11) are installed through the fixing holes (15), the outer wall of the connector (7) is provided with a fixing seat (8), a fixing plate (6) is rotatably mounted through the fixing seat (8), the fixing plate (6) and the fixing bolts (11) are matched in position, a fixing shaft (4) is provided at one end of the connector (7), a limiting frame (5) is rotatably mounted through the fixing shaft (4), the limiting frame (5) and the fixing plate (6) are matched, and a sealing assembly for increasing the sealing performance is provided on one side of the bellows (1).

2. The stainless steel bellows that is easy to connect according to claim 1 is characterized in that: The sealing assembly comprises a spring (16), wherein a plurality of springs (16) are arranged in sequence on an outer wall of one side of the bellows (1), and a sealing gasket (17) is installed at one end of the spring (16), and the sealing gasket (17) is adapted to the connector (7).

3. The stainless steel corrugated pipe that is easy to connect according to claim 1, characterized in that: A filter screen (18) is installed at one end of the corrugated pipe (1).

4. The stainless steel corrugated pipe that is easy to connect according to claim 1, characterized in that: A handle (10) is installed on the outer wall of the connecting head (7), and two groups of handles (10) are provided.

5. The stainless steel corrugated pipe that is easy to connect according to claim 1, characterized in that: An air bag (14) is installed at the bottom end of the bellows (1), and an air pump (13) is connected to one side of the air bag (14).

6. The stainless steel corrugated pipe that is easy to connect according to claim 1, characterized in that: A fixing ring (3) is provided at one end of the bellows (1), and a cleaning brush (12) is provided on the inner wall of the fixing ring (3), wherein the cleaning brush (12) is adapted to the bellows (1).

7. The stainless steel corrugated pipe that is easy to connect according to claim 4, characterized in that: The outer wall of the handle (10) is provided with a protective sleeve (9), and the protective sleeve (9) is made of rubber material.

8. The stainless steel corrugated pipe that is easy to connect according to claim 6, characterized in that: The outer wall of the fixing ring (3) is provided with a rubber pad (2), and the rubber pads (2) are arranged in sequence in multiple groups.

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