Combined reducing butt joint pipe fitting structure

By using the limiting bracket and compression spring design of the reducing pipe fitting, the problem of welding is solved when connecting reducing pipe fittings, realizing welding-free connection and convenient disassembly, and improving the ease of operation and maintenance.

CN223460091UActive Publication Date: 2025-10-21HUBEI LIPUDA PIPE TECH CO LTD
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Patent Information

Application Number
CN202423224225.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-10-21
Estimated Expiration
2034-12-26

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  • Figure CN223460091U_ABST
    Figure CN223460091U_ABST
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Abstract

The utility model provides a combined reducing butt joint pipe fitting structure which comprises a reducing butt joint, a butt joint mechanism is arranged on the outer side of the reducing butt joint, the butt joint mechanism comprises a first limiting frame, the inner wall of the first limiting frame is fixedly connected with the outer surface of the reducing butt joint, the inner wall of the reducing butt joint is connected with an input pipe in a sliding mode, and the input pipe is connected with a second limiting frame. Four first extrusion springs are fixedly mounted on the inner wall of the first limiting frame, first arc-shaped insertion blocks are fixedly mounted at the ends, close to each other, of the two first extrusion springs, and the outer surface of each first arc-shaped insertion block is slidably connected with the inner wall of the corresponding reducing butt joint and the inner wall of the corresponding input pipe; and a first pull rod is fixedly mounted on the outer surface of each first arc-shaped insertion block. And the first arc-shaped insertion block can be extruded through elastic force provided by the first extrusion spring, so that the first arc-shaped insertion block can directly penetrate through the input pipe to enter the reducing butt joint, and the input pipe can be limited and fixed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to combined formula different diameter butt joint pipe fitting structure technical field, concretely relates to a combined formula different diameter butt joint pipe fitting structure. BACKGROUND

[0002] Different diameter pipe also be called big and small head is one of chemical industry pipe fittings, it is a kind of pipe fitting at pipe diameter reducing, when the flow of fluid in pipe has variation, such as increase or decrease, flow velocity requires little change, different diameter pipe is needed.

[0003] According to the utility model discloses a kind of combined formula different diameter pipe in authorized announcement number CN220337739U, including different diameter pipe and positioning ring, the different diameter pipe both ends are integrally formed and are provided with connecting ring, the connecting ring annular outer surface is fixedly provided with welding plate, the welding plate is fixedly provided with inner welding hole at the end away from connecting ring, the connecting ring annular outer surface is also and welding plate staggered fixedly provided with positioning sleeve, the positioning ring bottom is fixedly installed with positioning pin, the positioning ring upper surface is provided with combination hole, the different diameter pipe inside is fixedly provided with spoiler ring, and the inner ring of the spoiler ring is fixedly provided with opening slot, the spoiler ring is towards the arc shape setting of different diameter pipe diameter big one end, the welding plate is a plurality of and annular evenly fixed on connecting ring surface, the welding plate surface away from connecting ring one end and the arc shape of pipe surface are same, and by knocking welding plate can be adhered to its and pipe corresponding surface.

[0004] The above technical scheme although through setting connecting ring at both ends of different diameter pipe and setting pre-positioning structure when welding at the upper end of connecting ring, improves the stability when different diameter pipe and pipe butt joint during use, improves the stability of welding, guarantees the flatness of pipe and different diameter pipe welding place, but the above technical scheme is inconvenient for pipe and different diameter butt joint pipe to butt joint, needs to be butt joint by welding mode pipe and different diameter butt joint pipe, thereby increasing the difficulty of operator operation, when maintaining pipe or different diameter butt joint pipe, it is inconvenient to disassemble it. For this, we provide a kind of combined formula different diameter butt joint pipe fitting structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at making up for the deficiency of prior art, provides combined formula different diameter butt joint pipe fitting structure.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of combined structure of different-diameter butt joint pipe, including different-diameter butt joint, the outer side of different-diameter butt joint is provided with butt joint mechanism, the butt joint mechanism includes first limit frame, the inner wall of first limit frame is fixedly connected with the outer surface of different-diameter butt joint, the inner wall of different-diameter butt joint is slidably connected with input pipe, the inner wall of first limit frame is fixedly installed with four first extrusion springs, the end of two groups of first extrusion springs mutually close is fixedly installed with first arc-shaped insert block, the outer surface of each first arc-shaped insert block is slidably connected with the inner wall of different-diameter butt joint and input pipe.

[0008] As a preferred scheme of the embodiment, the outer surface of each first arc-shaped insert block is fixedly installed with first pull rod, and the outer surface of different-diameter butt joint is fixedly installed with second limit frame.

[0009] As a preferred scheme of the embodiment, the inner wall of different-diameter butt joint is slidably connected with output pipe, and the inner wall of second limit frame is fixedly installed with four second extrusion springs, and the end of two groups of second extrusion springs mutually close is fixedly installed with second arc-shaped insert block.

[0010] As a preferred scheme of the embodiment, the outer surface of each second arc-shaped insert block is slidably connected with the inner wall of different-diameter butt joint and output pipe, and the outer surface of each second arc-shaped insert block is fixedly installed with second pull rod.

[0011] As a preferred scheme of the embodiment, the inner wall of different-diameter butt joint is fixedly installed with first rubber pad, and the outer surface of first rubber pad is slidably connected with the inner wall of input pipe.

[0012] As a preferred scheme of the embodiment, the inner wall of different-diameter butt joint is fixedly installed with first rubber pad, and the outer surface of first rubber pad is slidably connected with the inner wall of input pipe.

[0013] As a preferred scheme of the embodiment, the inner wall of different-diameter butt joint is fixedly installed with second rubber pad, and the outer surface of second rubber pad is slidably connected with the inner wall of output pipe.

[0014] As a preferred scheme of the embodiment, the inner wall of different-diameter butt joint is fixedly installed with second rubber pad, and the outer surface of second rubber pad is slidably connected with the inner wall of output pipe.

[0015] As a preferred scheme of the embodiment, the inner wall of different-diameter butt joint is fixedly installed with second rubber pad, and the outer surface of second rubber pad is slidably connected with the inner wall of output pipe.

[0016] As a preferred scheme of the embodiment, the two side faces of the first limiting frame are fixedly provided with first limiting blocks, the inner wall of each first limiting block is fixedly connected with the outer surface of the reducing butt joint, the two side faces of the second limiting frame are fixedly provided with second limiting blocks, and the inner wall of each second limiting block is fixedly connected with the outer surface of the reducing butt joint.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] (1) the utility model discloses a reducing butt joint can be connected and limited to input pipe and output pipe, and the elastic force provided by the first extrusion spring can extrude the first arc-shaped insert block, so that the first arc-shaped insert block can directly pass through the input pipe and enter the reducing butt joint, thereby limiting and fixing the input pipe, the first arc-shaped insert block can be pulled out of the input pipe through the first pull rod, thereby releasing the limitation of the input pipe, and the input pipe is convenient to install, connect or disassemble.

[0019] (2) the utility model discloses a second extrusion spring provides the elastic force and can extrude the second arc-shaped insert block, so that the second arc-shaped insert block can pass through the output pipe and enter the reducing butt joint, thereby limiting and fixing the output pipe, the second arc-shaped insert block can be pulled out of the output pipe through the second pull rod, thereby releasing the limitation of the output pipe, thereby facilitating the installation, connection or disassembly of the output pipe, so that when the input pipe and the output pipe are connected with the reducing butt joint pipe, the input pipe and the output pipe do not need to be connected with the reducing butt joint pipe through welding, thereby reducing the operation difficulty of the staff, and facilitating the disassembly of the input pipe, the output pipe or the reducing butt joint pipe during maintenance, and achieving the effect that practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model reducing butt joint;

[0021] Figure 2 It is a three-dimensional structure schematic view of the utility model first limiting frame section;

[0022] Figure 3 It is a three-dimensional structure schematic view of the utility model output pipe rear view section;

[0023] Figure 4 It is a three-dimensional structure schematic view of the utility model first rubber pad.

[0024] As shown in the figure: 1, the diameter butt joint; 2, the butt joint mechanism; 201, the first limiting frame; 202, the input pipe; 203, the first extrusion spring; 204, the first arc-shaped plug; 205, the first pull rod; 206, the second limiting frame; 207, the output pipe; 208, the second extrusion spring; 209, the second arc-shaped plug; 210, the second pull rod; 211, the first rubber pad; 212, the first rubber ring; 213, the second rubber pad; 214, the second rubber ring; 215, the first handle; 216, the second handle; 217, the first limiting block; 218, the second limiting block. DETAILED DESCRIPTION

[0025] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and not to limit the scope of the present application.

[0026] Please refer to Figure 1 , Figure 2 and Figure 4 , the present application provides a combined diameter butt joint pipe structure, including diameter butt joint 1, the outer side of diameter butt joint 1 is provided with butt joint mechanism 2, butt joint mechanism 2 includes first limiting frame 201, the inner wall of first limiting frame 201 is fixedly connected with the outer surface of diameter butt joint 1, the inner wall of diameter butt joint 1 is slidably connected with input pipe 202, the inner wall of diameter butt joint 1 is fixedly installed with first rubber pad 211, the outer surface of first rubber pad 211 is slidably connected with the inner wall of input pipe 202, the sealing between input pipe 202 and diameter butt joint 1 can be increased by first rubber pad 211, and the friction between input pipe 202 and diameter butt joint 1 can also be increased, and the stability of input pipe 202 installation is increased.

[0027] Please refer to Figure 2 , the inner wall of first limiting frame 201 is fixedly installed with four first extrusion springs 203, the end of the two groups of first extrusion springs 203 close to each other is fixedly installed with first arc-shaped plug 204, the outer surface of each first arc-shaped plug 204 is slidably connected with the inner wall of diameter butt joint 1 and input pipe 202, the inner wall of diameter butt joint 1 is fixedly installed with first rubber ring 212, the left side of first rubber ring 212 is in contact with the right end of input pipe 202, the gap between diameter butt joint 1 and input pipe 202 can be sealed by first rubber ring 212, so that the leakage of the transported material from the gap is prevented, and the sealing of the device is increased.

[0028] Please refer to Figure 2 and Figure 3As shown, the outer surface of each first arc-shaped plug block 204 is fixedly installed with a first pull rod 205, the outer surface of the reducer 1 is fixedly installed with a second limit frame 206, the inner wall of the reducer 1 is slidably connected with an output pipe 207, the inner wall of the second limit frame 206 is fixedly installed with four second extrusion springs 208, the inner wall of the reducer 1 is fixedly installed with a second rubber pad 213, the outer surface of the second rubber pad 213 is slidably connected to the inner wall of the output pipe 207, and the second rubber pad 213 can seal the gap between the reducer 1 and the output pipe 207 while increasing the friction between the output pipe 207 and the reducer 1, thereby increasing the sealing performance of the output pipe 207 installation.

[0029] See also Figure 3 As shown, the two sets of second extrusion springs 208 are fixedly installed with a second arc-shaped plug-in block 209 at one end close to each other, and the outer surface of each second arc-shaped plug-in block 209 is slidably connected to the inner wall of the reducer 1 and the output pipe 207. The outer surface of each second arc-shaped plug-in block 209 is fixedly installed with a second pull rod 210, and the inner side wall of the reducer 1 is fixedly installed with a second rubber ring 214. The right side of the second rubber ring 214 contacts the left end of the output pipe 207. The second rubber ring 214 can increase the sealing degree between the output pipe 207 and the reducer 1, thereby preventing the transported substance from leaking out of the gap, and further increasing the sealing performance of the output pipe 207 installation.

[0030] See also Figure 2 and Figure 3 As shown, one end of each first pull rod 205 away from the first arc-shaped plug 204 passes through the first limit frame 201 and is fixedly installed with a first handle 215, and one end of each second pull rod 210 away from the second arc-shaped plug 209 passes through the second limit frame 206 and is fixedly installed with a second handle 216. The first handle 215 can be used to conveniently pull the first arc-shaped plug 204, and the second handle 216 can be used to conveniently pull the second arc-shaped plug 209, thereby facilitating the disassembly of the input tube 202 and the output tube 207.

[0031] See also Figure 1 and Figure 4As shown, first limit blocks 217 are fixedly installed on both sides of the first limit frame 201, and the inner wall of each first limit block 217 is fixedly connected to the outer surface of the reducer 1. Second limit blocks 218 are fixedly installed on both sides of the second limit frame 206, and the inner wall of each second limit block 218 is fixedly connected to the outer surface of the reducer 1. The first limit blocks 217 and the second limit blocks 218 can increase the connection tightness between the reducer 1 and the first limit frame 201 and the second limit frame 206, thereby preventing the first limit frame 201 and the second limit frame 206 from offsetting and increasing the stability of the first limit frame 201 and the second limit frame 206.

[0032] The specific working principle and usage method of the present invention are as follows: when in use, first insert the input pipe 202 and the output pipe 207 into the reducing joint 1, and the elastic force provided by the first extrusion spring 203 can squeeze the first arc-shaped plug 204, so that the first arc-shaped plug 204 can directly pass through the input pipe 202 and enter the reducing joint 1, thereby limiting and fixing the input pipe 202, and the elastic force provided by the second extrusion spring 208 can squeeze the second arc-shaped plug 209, so that the second arc-shaped plug 209 can pass through the output pipe 207 and enter the reducing joint 1, thereby limiting and fixing the output pipe 207, the first rubber ring 212 and the second rubber ring 214 can increase the sealing between the input pipe 202 and the output pipe 207 and the reducing joint 1, and manually hold the first handle 215 to pull the second handle 215. A pull rod 205 enables the first pull rod 205 to pull the first arc-shaped plug 204 out of the input pipe 202, thereby releasing the limit on the input pipe 202, and the second handle 216 can easily pull the second pull rod 210, so that the second pull rod 210 can pull the second arc-shaped plug 209 out of the output pipe 207, thereby releasing the limit on the output pipe 207, making it convenient to install, dock or disassemble the input pipe 202 and the output pipe 207, so that when docking with the input pipe 202 and the output pipe 207, there is no need to dock the input pipe 202 and the output pipe 207 with the different diameter butt joint pipe by welding, thereby reducing the difficulty of operation for the staff, and facilitating the disassembly of the input pipe 202, the output pipe 207 or the different diameter butt joint pipe when maintaining it, making the combined different diameter butt joint pipe fitting structure more practical.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A combined reduced-port butt pipe fitting structure comprising a reduced-port butt (1), characterized in that: The outer side of the reducing butt joint (1) is provided with a butt joint mechanism (2), the butt joint mechanism (2) comprises a first limiting frame (201), the inner wall of the first limiting frame (201) is fixedly connected with the outer surface of the reducing butt joint (1), the inner wall of the reducing butt joint (1) is slidably connected with an input pipe (202), the inner wall of the first limiting frame (201) is fixedly installed with four first extrusion springs (203), the ends of the two groups of first extrusion springs (203) close to each other are fixedly installed with first arc-shaped insertion blocks (204), and the outer surfaces of the first arc-shaped insertion blocks (204) are slidably connected with the inner walls of the reducing butt joint (1) and the input pipe (202).

2. A combined reducing butt pipe structure according to claim 1, characterized in that: The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), the outer surface of each first arc-shaped insertion block (204) is fixedly installed with a first pull rod (205), and the outer surface of the first rubber pad (211) is fixedly installed with a second limiting frame (206).

3. A combined reducing butt pipe piece structure according to claim 2, characterized in that: The inner wall of the reducing butt joint (1) is slidably connected with an output pipe (207), the inner wall of the second limiting frame (206) is fixedly installed with four second extrusion springs (208), and the ends of the two groups of second extrusion springs (208) close to each other are fixedly installed with second arc-shaped insertion blocks (209).

4. The combined reducing butt joint pipe structure according to claim 3, characterized in that: The outer surfaces of the second arc-shaped insertion blocks (209) are slidably connected with the inner walls of the reducing butt joint (1) and the output pipe (207), and the outer surfaces of the second arc-shaped insertion blocks (209) are fixedly installed with second pull rods (210).

5. The combined reducing butt joint pipe structure according to claim 1, characterized in that: The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), and the outer surface of the first rubber pad (211) is slidably connected with the inner wall of the input pipe (202).

6. The combined reducing butt joint pipe structure according to claim 1, characterized in that: The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), and the outer surface of the first rubber pad (211) is slidably connected with the inner wall of the input pipe (202).

7. A combined reducing butt pipe structure according to claim 1, wherein: The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), and the outer surface of the first rubber pad (211) is slidably connected with the inner wall of the input pipe (202).

8. A combined reducing butt pipe structure according to claim 1, wherein: The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), and the outer surface of the first rubber pad (211) is slidably connected with the inner wall of the input pipe (202).

9. The combined reducing butt joint pipe structure according to claim 4, characterized in that: The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), and the outer surface of the first rubber pad (211) is slidably connected with the inner wall of the input pipe (202). The inner wall of the reducing butt joint (1) is fixedly installed with a first rubber pad (211), and the outer surface of the first rubber pad (211) is slidably connected with the inner wall of the input pipe (202).

10. The combined reducing butt joint pipe structure according to claim 2, characterized in that: First limiting blocks (217) are fixedly mounted on both side surfaces of the first limiting frame (201), and the inner wall of each first limiting block (217) is fixedly connected to the outer surface of the reducing butt joint (1). Second limiting blocks (218) are fixedly mounted on both side surfaces of the second limiting frame (206), and the inner wall of each second limiting block (218) is fixedly connected to the outer surface of the reducing butt joint (1).

Citation Information

Patent Citations

  • Combined reducing pipe

    CN220337739U