High-sealing stainless steel pipe connecting piece

Abstract

The utility model relates to the technical field of connecting pieces, and provides a high-sealing stainless steel pipe connecting piece which comprises a fixing block, the fixing block is composed of two parts, the two parts of the fixing block are rotationally connected through a hinge, and a connecting mechanism used for fixing the fixing blocks is arranged on the sides, away from the hinge, of the two fixing blocks. High-performance rubber is arranged in the middle of the fixing block; according to the high-sealing stainless steel pipe connecting piece, the connecting mechanism is arranged, the positioning rod is loosened, the positioning rod can be driven to enter the positioning hole in the bottom end of the inserting plate under the action of the restoring force of the spring, the fixing block is closed, the magnetic block and the magnetic plate attract each other, and therefore the positioning rod can be prevented from being separated from the interior of the inserting plate; and the fixing blocks can apply pressure to the high-performance rubber through closing, so that the steel pipes are prevented from being separated from the interior of the high-performance rubber, the sealing performance of steel pipe connection is improved, and the sealing effect of the two steel pipes is enhanced by arranging a pressurizing assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connecting piece, especially a high sealing stainless steel pipe connecting piece. BACKGROUND

[0002] Stainless steel pipe is a hollow long strip round steel, mainly widely used in petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument etc.

[0003] But in the prior art, the traditional welding method can make the stainless steel pipe connection firm, but the welding process requirement is extremely high and the pipeline after welding needs maintenance or reconstruction, the difficulty is bigger, threaded connection: threaded connection installation is relatively convenient, but the sealing performance is limited, the threaded connection is easy to cause the sealing failure, and the leakage is caused by the threaded loosening, wear or medium erosion, in order to solve the above problems, we propose a high sealing stainless steel pipe connecting piece. UTILITY MODEL CONTENTS

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a high sealing stainless steel pipe connecting piece, solves the technical problem that the traditional welding method can make the stainless steel pipe connection firm, but the welding process requirement is extremely high and the pipeline after welding needs maintenance or reconstruction, the difficulty is bigger, threaded connection: threaded connection installation is relatively convenient, but the sealing performance is limited, the threaded connection is easy to cause the sealing failure, and the leakage is caused by the threaded loosening, wear or medium erosion.

[0006] (II) technical scheme

[0007] In order to realize the above object, the utility model is realized through the following technical schemes:

[0008] A kind of high sealing stainless steel pipe connecting piece, including fixed block, the fixed block is by two parts, and two part fixed block is rotatably connected by hinge, the side away from hinge of two described fixed block is provided with the connecting mechanism for being used to the fixed block fixed, the middle part of the fixed block is provided with high performance rubber, the inner side of the fixed block is fixedly connected with rubber pad for being used to the high performance rubber pressurization, the inside and top of the fixed block are provided with pressurizing assembly for being used to the high performance rubber pressurization, the connecting mechanism includes plug block, the plug block is fixedly connected in the middle part of one side of fixed block, the surface close to plug block of the fixed block is fixedly connected with plug plate, the side of the plug block is inserted with the fixing piece for being used to the plug plate fixed.

[0009] Preferably, the fixing piece comprises a positioning rod, the positioning rod is inserted above one side of the insertion block, a connecting plate is fixedly connected below the positioning rod, springs are fixedly connected between the connecting plate and the inner wall of the insertion block, and an insertion slot is formed in one side of the surface of the insertion block.

[0010] The technical effect of the further scheme is that the connecting plate compresses the springs when the positioning rod is pulled, the fixing block can be closed at this time, the insertion plate enters the insertion slot on the surface of the insertion block when being closed, the positioning rod enters the positioning hole at the bottom end of the insertion plate under the action of the restoring force of the springs, and the closing of the fixing block is realized.

[0011] Preferably, the inner side of the insertion slot is fixedly connected with a magnetic plate, and one end of the positioning rod is fixedly connected with a magnetic block opposite to the magnetic plate in magnetic property.

[0012] The technical effect of the further scheme is that the magnetic block and the magnetic plate are attracted to each other, so that the positioning rod can be prevented from being separated from the inside of the insertion plate, and the closing effect of the fixing block is improved.

[0013] Preferably, the pressing assembly comprises a threaded rod, the threaded rod is screw-connected at the top of the fixing block, a connecting piece is rotatably connected to the bottom end of the threaded rod through a bearing, an arc-shaped plate is fixedly connected to the bottom of the connecting piece, and a flexible pad is fixedly connected to the bottom of the arc-shaped plate.

[0014] The technical effect of the further scheme is that the connecting piece moves downward under the limitation of the guide rod when the threaded rod is rotated, the arc-shaped plate and the flexible pad can apply downward pressure to the high-performance rubber, the steel pipe can be prevented from being separated from the high-performance rubber, and the sealing effect of the two steel pipes is improved.

[0015] Preferably, one side of the top of the connecting piece is fixedly connected with a guide rod which is slidably connected with the fixing block.

[0016] The technical effect of the further scheme is that the guide rod can limit the position of the connecting piece.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. This utility model, through the setting of a connecting mechanism, uses the cooperation of the insert block, insert plate, fixing component, magnetic block, and slot to pull the positioning rod, causing the connecting plate to compress the spring. At this time, the fixing block can be closed. When closed, the insert plate enters the slot on the surface of the insert block. When the positioning rod is released, under the action of the spring's restoring force, it can drive the positioning rod into the positioning hole at the bottom of the insert plate, thus realizing the closure of the fixing block. The attraction between the magnetic block and the magnetic plate can prevent the positioning rod from detaching from the interior of the insert plate, thereby improving the closing effect of the fixing block. The fixing block can apply pressure to the high-performance rubber through closure, thereby preventing the steel pipe from detaching from the interior of the high-performance rubber and improving the sealing performance of the steel pipe connection.

[0020] 2. This utility model, by setting up a pressure-applying component, with the cooperation of a threaded rod, a guide rod, a connecting piece, an arc-shaped plate, and a flexible pad, rotates the threaded rod, and the connecting piece moves downward under the restriction of the guide rod. This can drive the arc-shaped plate and the flexible pad to apply downward pressure to the high-performance rubber, preventing the steel pipe from detaching from the high-performance rubber, thereby enhancing the sealing effect of the two steel pipes. Attached Figure Description

[0021] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the following describes the preferred examples of this utility model in detail with reference to the accompanying drawings.

[0022] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the unfolded structure in an embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the pressurization component in an embodiment of the present invention;

[0025] Figure 4 As an embodiment of this utility model Figure 1 Enlarged structural diagram of the connecting mechanism at point A;

[0026] Figure 5 As an embodiment of this utility model Figure 4 A cross-sectional view of the connection between the fixing component and the insert plate.

[0027] Legend: 1. Fixing block; 101. Rubber pad; 2. Connecting mechanism; 21. Insert block; 22. Insert plate; 23. Fixing component; 231. Positioning rod; 232. Connecting plate; 233. Spring; 234. Magnetic plate; 235. Magnetic block; 24. Slot; 3. High-performance rubber; 4. Pressurizing component; 41. Threaded rod; 42. Guide rod; 43. Connecting piece; 44. Arc plate; 45. Flexible pad. Detailed Implementation

[0028] The embodiment of the application provides a high-sealing stainless steel pipe connecting piece, a connecting mechanism is arranged, a positioning rod is pulled under the cooperation of an insertion block, an insertion plate, a fixing piece, a magnetic block and an insertion groove, so that the connecting plate compresses a spring, the fixing block can be closed at this time, the insertion plate enters the insertion groove on the surface of the insertion block when the fixing block is closed, the positioning rod is loosened, and the positioning rod can enter the positioning hole at the bottom end of the insertion plate under the action of the spring restoring force, so that the closing of the fixing block is realized, the magnetic block and the magnetic plate are attracted to each other, and the positioning rod can be prevented from being separated from the inside of the insertion plate, so that the closing effect of the fixing block is improved, the fixing block can exert pressure on the high-performance rubber by closing, so that the steel pipe can be prevented from being separated from the inside of the high-performance rubber, the sealing performance of the steel pipe connection is improved, a pressurizing assembly is arranged, a threaded rod, a guide rod, a connecting piece, an arc-shaped plate and a flexible pad are cooperated, the threaded rod is rotated, the connecting piece moves downward under the limitation of the guide rod, the arc-shaped plate and the flexible pad can exert downward pressure on the high-performance rubber, the steel pipe can be prevented from being separated from the high-performance rubber, and the sealing effect of the two steel pipes is improved.

[0029] Embodiment 1

[0030] The technical scheme in the embodiment of the application effectively solves the technical problems that the traditional welding method can make the stainless steel pipe connection firm, but has extremely high requirements on a welding process, and it is difficult to maintain or transform the pipeline after welding, and the threaded connection is relatively convenient to install, but has limited sealing performance, the threaded connection is easy to cause sealing failure and leakage due to thread loosening, wear or medium corrosion, and the overall idea is as follows:

[0031] As Figures 1 to 5 , in view of the problems in the prior art, the utility model provides a high-sealing stainless steel pipe connecting piece, including fixed block 1, fixed block 1 is by two parts, and two parts fixed block 1 are connected through hinge rotation, the side away from the hinge of two fixed block 1 is provided with the connecting mechanism 2 for fixing fixed block 1, the middle part of fixed block 1 is provided with high performance rubber 3, the inside of fixed block 1 is fixedly connected with rubber pad 101 for pressing high performance rubber 3, the inside and top of fixed block 1 are provided with pressurizing assembly 4 for pressing high performance rubber 3.

[0032] By adopting the above technical scheme, two steel pipes needing to be connected are respectively embedded from both ends of the high-performance rubber 3, the high-performance rubber 3 has good ductility and can tightly wrap the outside of the two steel pipes, the high-performance rubber 3 has excellent corrosion resistance, temperature resistance and sealing performance, the sealing effect of the connecting piece can be effectively improved, the rubber pad 101 on the inside of the fixed block 1 can exert pressure on the high-performance rubber 3 when the fixed block 1 is closed, and the connection effect of the two steel pipes is improved.

[0033] Specifically, the connecting mechanism 2 comprises an insertion block 21 fixedly connected to the middle part of one side of the fixed block 1, the surface of the fixed block 1 close to the insertion block 21 is fixedly connected with an insertion plate 22, one side of the insertion block 21 is inserted with a fixing piece 23 for fixing the insertion plate 22, the fixing piece 23 comprises a positioning rod 231 inserted above one side of the insertion block 21, the lower part of the positioning rod 231 is fixedly connected with a connecting plate 232, the connecting plate 232 is fixedly connected with a spring 233 between the inner wall of the insertion block 21, and the surface of the insertion block 21 is provided with an insertion slot 24.

[0034] By adopting the above technical scheme, the positioning rod 231 is pulled to compress the spring 233, at this time the fixed block 1 can be closed, when closed, the insertion plate 22 enters the insertion slot 24 on the surface of the insertion block 21, the positioning rod 231 is released, and under the action of the restoring force of the spring 233, the positioning rod 231 can enter the positioning hole at the bottom end of the insertion plate 22 to realize the closure of the fixed block 1, and the closure of the fixed block 1 can enhance the stability of the steel pipe connection.

[0035] Specifically, the inner side of the insertion slot 24 is fixedly connected with a magnetic plate 234, and one end of the positioning rod 231 is fixedly connected with a magnetic block 235 opposite to the magnetic plate 234 in magnetic property.

[0036] By adopting the above technical scheme, the magnetic block 235 and the magnetic plate 234 are attracted to avoid the positioning rod 231 from separating from the inside of the insertion plate 22, so as to improve the closure effect of the fixed block 1.

[0037] Embodiment 2

[0038] As Figures 1 to 5 The pressing assembly 4 comprises a threaded rod 41 threadedly connected to the top of the fixed block 1, the bottom end of the threaded rod 41 is rotatably connected with a connecting sheet 43 through a bearing, the bottom of the connecting sheet 43 is fixedly connected with an arc-shaped plate 44, the bottom of the arc-shaped plate 44 is fixedly connected with a flexible pad 45, and the top side of the connecting sheet 43 is fixedly connected with a guide rod 42 slidingly connected with the fixed block 1.

[0039] By adopting the above technical scheme, the threaded rod 41 is rotated, the connecting sheet 43 moves downward under the limitation of the guide rod 42, can drive the arc-shaped plate 44 and the flexible pad 45 to apply downward pressure to the high-performance rubber 3, avoid the steel pipe from separating from the high-performance rubber 3, so as to enhance the sealing effect of the two steel pipes.

[0040] Working principle: in use, two steel pipes to be connected are respectively embedded from both ends of the high-performance rubber 3, because the high-performance rubber 3 has good ductility, can tightly wrap outside the two steel pipes, at the same time, the high-performance rubber 3 has excellent corrosion resistance, temperature resistance and sealing performance, can effectively improve the sealing effect of the connecting piece, then the steel pipe and the high-performance rubber 3 are placed in the middle of the fixed block 1, the positioning rod 231 is pulled, the connecting plate 232 compresses the spring 233, at this time, the fixed block 1 can be closed, when closing, the plug plate 22 enters the insertion slot 24 on the surface of the insertion block 21, the positioning rod 231 is loosened, under the action of the restoring force of the spring 233, the positioning rod 231 can enter the positioning hole at the bottom end of the plug plate 22, realize the closing of the fixed block 1, at the same time, the magnetic block 235 and the magnetic plate 234 are attracted, can avoid the positioning rod 231 from separating from the inside of the plug plate 22, so as to improve the closing effect of the fixed block 1, at the same time of closing of the fixed block 1, the rubber pad 101 inside the fixed block 1 can apply pressure to the high-performance rubber 3, so as to improve the connection effect of the two steel pipes, rotate the threaded rod 41, under the limitation of the guide rod 42, the connecting piece 43 moves downward, can drive the arc-shaped plate 44 and the flexible pad 45 to apply downward pressure to the high-performance rubber 3, avoid the steel pipe from separating from the high-performance rubber 3, so as to enhance the sealing effect of the two steel pipes.

[0041] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A high sealing stainless steel pipe coupling comprising a fixing block (1), characterized in that: The fixed block (1) is composed of two parts, and the two parts of the fixed block (1) are connected through a hinge, and the two fixed blocks (1) are provided with a connecting mechanism (2) for fixing the fixed block (1) on the side away from the hinge, the middle of the fixed block (1) is provided with high-performance rubber (3), the inner side of the fixed block (1) is fixedly connected with a rubber pad (101) for pressing the high-performance rubber (3), the inside and top of the fixed block (1) are provided with a pressing assembly (4) for pressing the high-performance rubber (3), the connecting mechanism (2) comprises an insertion block (21), the insertion block (21) is fixedly connected to the middle of one side of the fixed block (1), the surface of the fixed block (1) close to the insertion block (21) is fixedly connected with an insertion plate (22), and the side of the insertion block (21) is inserted with a fixing piece (23) for fixing the insertion plate (22).

2. A high seal stainless steel pipe coupling as defined in claim 1 wherein: The fixing piece (23) comprises a positioning rod (231), the positioning rod (231) is inserted on the side and top of the insertion block (21), the lower side of the positioning rod (231) is fixedly connected with a connecting plate (232), and the connecting plate (232) and the inner wall of the insertion block (21) are fixedly connected with a spring (233).

3. A high seal stainless steel pipe coupling as defined in claim 2 wherein: The surface side of the insertion block (21) is provided with an insertion slot (24).

4. A high seal stainless steel pipe coupling as defined in claim 3 wherein: The inner side of the insertion slot (24) is fixedly connected with a magnetic plate (234), and one end of the positioning rod (231) is fixedly connected with a magnetic block (235) opposite to the magnetic plate (234) in magnetism.

5. A high seal stainless steel pipe coupling as defined in claim 1 wherein: The pressing assembly (4) comprises a threaded rod (41), the threaded rod (41) is threadedly connected to the top of the fixed block (1), the bottom end of the threaded rod (41) is rotatably connected with a connecting piece (43) through a bearing, and the bottom of the connecting piece (43) is fixedly connected with an arc-shaped plate (44).

6. A high seal stainless steel pipe coupling as defined in Claim 5 wherein: The bottom of the arc-shaped plate (44) is fixedly connected with a flexible pad (45).

7. A high seal stainless steel pipe coupling as defined in Claim 5 wherein: The top side of the connecting piece (43) is fixedly connected with a guide rod (42) slidably connected with the fixed block (1).

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