High-precision stainless steel composite sieve tube

Abstract

The utility model provides a high-precision stainless steel composite screen pipe which comprises a screen pipe connecting assembly, limiting locking assemblies are installed at the two ends of the screen pipe connecting assembly, positioning dismounting assemblies are arranged in the two ends of the screen pipe connecting assembly, and a filter screen assembly is installed between the inner walls of the positioning dismounting assemblies. Fastening reset pieces are arranged at the two ends of the positioning disassembly assembly. According to the high-precision stainless steel composite screen pipe provided by the utility model, the positioning disassembly assembly and the filter screen assembly which are arranged inside are matched for use, impurities with specific particle sizes are more accurately intercepted, double filtration is formed by the high-precision stainless steel composite screen pipe and a filter structure of the screen pipe, the filter precision is further improved, smaller particle impurities can be effectively removed, and the service life of the screen pipe is prolonged. And the output liquid or the filtered fluid is purer. Moreover, when the screen pipes of the device are connected and used, the screen pipes can be quickly and accurately connected through a limiting locking assembly and a fine adjustment fastening assembly which are arranged at the two ends of the screen pipes, and meanwhile good sealing performance is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite screen pipe technical field especially, it relates to a high accuracy stainless steel composite screen pipe. BACKGROUND

[0002] With the sustained growth of global demand for oil and gas resources, oil and gas exploitation gradually expands to deep sea, deep well and complex geological conditions. In these special exploitation environments, the traditional screen pipe is difficult to meet the requirements of efficient exploitation and long-term stable production, therefore, it is necessary to develop high-precision stainless steel composite screen pipe to adapt to complex and harsh exploitation environment.

[0003] The existing composite screen pipe only relies on the outer wall screen pipe for filtering and blocking during use, but the inner wall of the screen pipe is prone to blockage and affects the filtering effect of the screen pipe during long-term use and filtering, and the use is relatively inconvenient, and the flexible position connection according to the position of the screen pipe cannot be conveniently achieved.

[0004] Therefore, it is necessary to provide a high-precision stainless steel composite screen pipe to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a high accuracy stainless steel composite screen pipe, solved the problem that the inner wall of screen pipe is prone to blockage and affects the filtering effect of screen pipe, and the use is relatively inconvenient.

[0006] To solve the above technical problems, the utility model provides a high-precision stainless steel composite screen pipe, which comprises a screen pipe connecting assembly, a limiting locking assembly is installed at both ends of the screen pipe connecting assembly, and is used for the position connection of the screen pipe connecting assembly, micro-adjusting fastening assemblies are symmetrically installed at both ends of the screen pipe connecting assembly and the limiting locking assembly, and are used for the position connection of the limiting locking assembly, a positioning dismounting assembly is arranged inside both ends of the screen pipe connecting assembly, a filter screen assembly is installed between the inner walls of the positioning dismounting assembly, and is used for the internal filtration of the screen pipe connecting assembly, and fastening reset parts are arranged at both ends of the positioning dismounting assembly and are used for the position fastening of the filter screen assembly.

[0007] Preferably, the screen pipe connecting assembly comprises a screen mesh connecting frame, a screen pipe base body is arranged between the inner walls of the screen mesh connecting frame, a plurality of fixed holes are formed in the side of the screen pipe base body and are used for the filtration and adsorption inside the screen pipe connecting assembly, horizontal support rods are arranged on the inner walls of the side ends of the screen pipe base body, vertical support rods are arranged at both ends of the horizontal support rods, and the horizontal support rods cooperate with the vertical support rods and can be used for the inner wall protection and support of the screen pipe base body.

[0008] Preferably, the limiting and locking assembly comprises a limiting frame and a limiting and locking piece, the limiting frame is provided with a fixed clamping groove at both ends, and the fixed clamping groove is provided with an arc-shaped clamping groove at the side end, which is used for rotating and locking the limiting and locking piece; the limiting and locking piece is provided with a locking plate at the bottom, and the locking plate is provided with a limiting and locking piece at both ends, which is used for position locking of the limiting and locking piece.

[0009] Preferably, the fine-tuning and fastening assembly comprises a supporting and fastening plate and a top fastening plate, the supporting and fastening plate is provided with a fastening rod at the top, and the fastening rod is provided with a fastening ring on the inner wall, which is used for position fastening of the supporting and fastening plate and the top fastening plate.

[0010] Preferably, the positioning and dismounting assembly comprises a positioning frame and a sliding positioning block, the positioning frame is provided with a fixed cavity at both ends, and the fixed cavity is provided with a positioning cavity at the side end, which is used for sliding positioning of the filter screen assembly; the sliding positioning block is installed on the inner wall at both ends of the filter screen assembly; the fastening and resetting piece comprises a resetting limiting rod, which is installed on the inner wall at both ends of the positioning frame; the resetting limiting rod is provided with a fixed pull ring at the top, which is used for position sliding of the resetting limiting rod; and the fixed pull ring is provided with an elastic resetting piece at the bottom, which is used for position resetting of the resetting limiting rod.

[0011] Preferably, the filter screen assembly comprises a filter screen fixing frame, the filter screen structure is arranged between the inner walls at the side ends of the filter screen fixing frame, and the filter screen fixing frame is provided with a sliding handle at both ends, which is used for position rotation of the filter screen fixing frame.

[0012] Compared with the related art, the high-precision stainless steel composite screen pipe has the following beneficial effects:

[0013] The high-precision stainless steel composite screen pipe is used in the use process, in order to improve the filtering effect of the screen pipe, the positioning and dismounting assembly and the filter screen assembly are used in cooperation, the impurities with specific particle sizes are more accurately intercepted, the filtering structure of the screen pipe itself forms double filtering, the filtering precision is further improved, smaller particle impurities can be effectively removed, the produced liquid or the filtered fluid is more pure, meanwhile, the fastening and resetting piece arranged inside can facilitate the staff to install and dismount the filter screen in position, and the work is not complicated in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The high-precision stainless steel composite screen pipe is used in the use process, in order to improve the filtering effect of the screen pipe, the positioning and dismounting assembly and the filter screen assembly are used in cooperation, the impurities with specific particle sizes are more accurately intercepted, the filtering structure of the screen pipe itself forms double filtering, the filtering precision is further improved, smaller particle impurities can be effectively removed, the produced liquid or the filtered fluid is more pure, meanwhile, the fastening and resetting piece arranged inside can facilitate the staff to install and dismount the filter screen in position, and the work is not complicated in the later period.

[0015] Figure 2 The high-precision stainless steel composite screen pipe is used in the use process, in order to improve the filtering effect of the screen pipe, the positioning and dismounting assembly and the filter screen assembly are used in cooperation, the impurities with specific particle sizes are more accurately intercepted, the filtering structure of the screen pipe itself forms double filtering, the filtering precision is further improved, smaller particle impurities can be effectively removed, the produced liquid or the filtered fluid is more pure, meanwhile, the fastening and resetting piece arranged inside can facilitate the staff to install and dismount the filter screen in position, and the work is not complicated in the later period.Figure 1 The diagram shows the structure of the limiting frame.

[0016] Figure 3 for Figure 1 The diagram shows the structural schematic of the sieve tube substrate;

[0017] Figure 4 for Figure 1 The diagram shown is a structural schematic of the filter screen.

[0018] Figure 5 for Figure 1 The diagram shows the structure of the positioning frame.

[0019] The diagram is labeled as follows: 1. Screen tube connecting assembly, 11. Screen connecting frame, 12. Screen tube base, 13. Fixing hole, 14. Horizontal support rod, 15. Vertical support rod, 2. Limiting and locking assembly, 21. Limiting frame, 22. Fixing slot, 23. Arc-shaped slot, 24. Limiting locking component, 25. Locking plate, 26. Locking component, 3. Fine-tuning fastening assembly, 31. Support fastening plate, 32. Top fastening plate, 33. Fastening rod, 34. Fastening ring, 4. Positioning and disassembly assembly, 41. Positioning frame, 42. Fixing cavity, 43. Positioning cavity, 44. Fastening hole, 45. Sliding positioning block, 5. Filter assembly, 51. Filter fixing frame, 52. Filter structure, 53. Sliding handle, 6. Fastening and resetting component, 61. Resetting limiting rod, 62. Fixing pull ring, 63. Elastic resetting component. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of a high-precision stainless steel composite screen tube provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the limiting frame. Figure 3 for Figure 1 The diagram shows the structural schematic of the sieve tube substrate; Figure 4 for Figure 1 The diagram shown is a structural schematic of the filter screen. Figure 5 for Figure 1The structure diagram of the positioning frame is shown. A high-precision stainless steel composite screen pipe comprises a screen pipe connecting assembly 1, limit locking assemblies 2 installed at both ends of the screen pipe connecting assembly 1 for position connection of the screen pipe connecting assembly 1, fine adjustment fastening assemblies 3 symmetrically installed at both ends of the screen pipe connecting assembly 1 and the limit locking assemblies 2 for position connection of the limit locking assemblies 2, positioning and dismounting assemblies 4 arranged inside both ends of the screen pipe connecting assembly 1, filter screen assemblies 5 installed between inner walls of the positioning and dismounting assemblies 4 for internal filtration of the screen pipe connecting assembly 1, and fastening reset members 6 arranged at both ends of the positioning and dismounting assemblies 4 for position fastening of the filter screen assemblies 5.

[0022] The screen pipe connecting assembly 1 comprises a screen mesh connecting frame 11, and a screen pipe base body 12 arranged between inner walls of the screen mesh connecting frame 11. A plurality of fixing holes 13 are formed in the screen pipe base body 12 for internal filtration and adsorption of the screen pipe connecting assembly 1. A horizontal support rod 14 is arranged on the inner wall of the side end of the screen pipe base body 12. Vertical support rods 15 are arranged at both ends of the horizontal support rod 14. The horizontal support rod 14 cooperates with the vertical support rods 15 to provide protection and support for the inner wall of the screen pipe base body 12.

[0023] During installation and use of the screen pipe, the screen mesh connecting frame 11 arranged at both ends can provide stable connection and reduce the cumbersome installation process. The horizontal support rod 14 and the vertical support rods 15 arranged on the inner wall can improve the protection effect of the screen pipe and reduce damage to the screen pipe caused by external factors.

[0024] The screen pipe connecting assembly 1 includes, but is not limited to, a threaded connecting assembly, a clamp connecting assembly, and a mechanical connecting assembly. In this embodiment, the screen pipe connecting assembly 1 is preferably a mechanical connecting assembly.

[0025] The limit locking assembly 2 comprises a limit frame 21, and a limit locking member 24. Fixed clamping grooves 22 are formed at both ends of the limit frame 21. Arc-shaped clamping grooves 23 are formed at the side ends of the fixed clamping grooves 22 for rotational locking of the limit locking member 24. A locking plate 25 is arranged at the bottom of the limit locking member 24. Limit locking members 26 are arranged at both ends of the locking plate 25 for position locking of the limit locking member 24.

[0026] When position connection of the screen pipe is needed, the limit locking member 24 at the side end can be installed on the inner wall of one end of the screen pipe. During position connection, the limit locking member 24 can be first rotated and clamped into the limit frame 21. Then, after being rotated and clamped to the specified position, the limit locking member 24 can be conveniently installed and fixed in position by the limit locking members 26 arranged at both ends, thereby reducing the cumbersome use of traditional installation procedures.

[0027] The limiting and locking assembly 2 includes but is not limited to mechanical limiting and locking, hydraulic limiting and locking, and electromagnetic limiting and locking.

[0028] The fine-tuning fastening assembly 3 includes a support fastening plate 31, a top fastening plate 32, the support fastening plate 31 is provided with a fastening rod 33 at the top, the inner wall of the fastening rod 33 is provided with a fastening ring 34, and the position fastening of the support fastening plate 31 and the top fastening plate 32 is supported.

[0029] When the position of the workpiece structure at both ends is fastened, the fastening rod 33 at both ends can be rotated first, and under the rotation of the fastening rod 33, the fastening ring 34 on the inner wall will move in position, and then under the continuous rotation of the fastening rod 33, the fastening ring 34 will move the top fastening plate 32 downward in position to ensure the position fastening of the structure at both ends.

[0030] The fine-tuning fastening assembly 3 includes but is not limited to a bolt and nut fine-tuning assembly, a threaded fine-tuning assembly, and an elastic element fine-tuning assembly; in this embodiment, the fine-tuning fastening assembly 3 is preferably a threaded fine-tuning assembly.

[0031] The positioning and dismounting assembly 4 includes a positioning frame 41, a sliding positioning block 45, the positioning frame 41 is provided with a fixed cavity 42 at both ends, the fixed cavity 42 is provided with a positioning cavity 43 at the side end, and the sliding positioning of the filter screen assembly 5 is supported, the sliding positioning block 45 is installed on the inner wall at both ends of the filter screen assembly 5, the fastening reset member 6 includes a reset limiting rod 61, the reset limiting rod 61 is installed on the inner wall at both ends of the positioning frame 41, the reset limiting rod 61 is provided with a fixed pull ring 62 at the top, and the position sliding of the reset limiting rod 61 is supported, and the fixed pull ring 62 is provided with an elastic reset member 63 at the bottom, and the position reset of the reset limiting rod 61 is supported.

[0032] When it is necessary to position and install the internal filter screen, the sliding positioning block 45 at both ends of the filter screen will enter from the inner wall of the fixed cavity 42, and when the entire filter screen is rotated in position, the reset limiting rod 61 with elastic support at both ends will be clamped to the inner wall of the positioning frame 41 and the sliding positioning block 45 to ensure convenient installation and use of the filter screen.

[0033] The positioning and dismounting assembly 4 includes but is not limited to a key groove positioning assembly, a positioning pin positioning assembly, and a sleeve type positioning assembly; in this embodiment, the positioning and dismounting assembly 4 is preferably a positioning pin positioning assembly.

[0034] The filter screen assembly 5 includes a filter screen fixed frame 51, the filter screen structure 52 is arranged between the inner walls of the side ends of the filter screen fixed frame 51, and the filter screen fixed frame 51 is provided with a sliding handle 53 at both ends for rotating the filter screen fixed frame 51 in position.

[0035] Through the filter screen assembly 5 installed inside conveniently, the filtering effect of the whole reset screen can be improved, so that the accurate interception of the screen pipe is improved.

[0036] The filter screen assembly 5 includes, but is not limited to, a woven filter screen structure, a sintered filter screen structure and a composite filter screen structure.

[0037] The working principle of the high-precision stainless steel composite screen pipe is as follows:

[0038] In the use process of the composite screen pipe, first, the filter screen assembly 5 inside is conveniently installed in position, at this time, during installation, the filter screen assembly 5 can be first slid to the internal positioning and disassembling assembly 4, then, the whole filter screen assembly 5 is rotated in position, when rotated to the specified position, the fastening reset piece 6 arranged at both ends is used for position installation clamping, so as to prevent position loosening during use, then, when multiple screen pipe assemblies need to be connected in position, the limiting and locking assembly 2 at both ends can be used for convenient connection and limiting, so as to reduce the complexity of the process, at the same time, the fine adjustment and fastening assembly 3 on the inner wall of both ends can ensure the position fastening and sealing effect of the limiting and locking assembly 2.

[0039] Compared with the related art, the high-precision stainless steel composite screen pipe has the following beneficial effects:

[0040] In the use process of the composite screen pipe, in order to improve the filtering effect of the screen pipe, the positioning and disassembling assembly 4 and the filter screen assembly 5 arranged inside are used in cooperation, the impurities of a specific particle size are more accurately intercepted, double filtration is formed with the filtering structure of the screen pipe itself, the filtering precision is further improved, smaller particle impurities can be effectively removed, the produced liquid or the filtered fluid is more pure, at the same time, the fastening reset piece 6 arranged inside can facilitate the staff to install and disassemble the filter screen in position, so as to reduce the complexity of the later work.

[0041] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A high-precision stainless steel composite screen pipe, characterized by, Include: The screen pipe connecting assembly is provided with a limiting locking assembly at both ends for position connection of the screen pipe connecting assembly, micro-adjusting fastening assemblies are symmetrically arranged at both ends of the screen pipe connecting assembly and the limiting locking assembly for position connection of the limiting locking assembly, a positioning dismounting assembly is arranged inside both ends of the screen pipe connecting assembly, a filter screen assembly is arranged between the inner walls of the positioning dismounting assembly for internal filtration of the screen pipe connecting assembly, and fastening reset members are arranged at both ends of the positioning dismounting assembly for position fastening of the filter screen assembly.

2. The high-precision stainless steel composite screen pipe according to claim 1, characterized in that, The screen pipe connecting assembly comprises a screen mesh connecting frame, a screen pipe base body is arranged between the inner walls of the screen mesh connecting frame, a plurality of fixing holes are formed in the side of the screen pipe base body for internal filtration and adsorption of the screen pipe connecting assembly, horizontal support rods are arranged on the inner walls of the side ends of the screen pipe base body, vertical support rods are arranged at the two ends of the horizontal support rods, and the horizontal support rods cooperate with the vertical support rods to be used for inner wall protection and support of the screen pipe base body.

3. The high-precision stainless steel composite screen pipe according to claim 1, characterized in that, The limiting locking assembly comprises a limiting frame and a limiting locking member, fixed clamping grooves are formed at both ends of the limiting frame, arc-shaped clamping grooves are formed at the side ends of the fixed clamping grooves for rotary locking of the limiting locking member, a locking plate is arranged at the bottom of the limiting locking member, and locking members are arranged at both ends of the locking plate for position locking of the limiting locking member.

4. The high-precision stainless steel composite screen pipe according to claim 1, characterized in that, The micro-adjusting fastening assembly comprises a support fastening plate and a top fastening plate, a fastening rod is arranged at the top of the support fastening plate, a fastening ring is arranged on the inner wall of the fastening rod for position fastening of the support fastening plate and the top fastening plate.

5. The high-precision stainless steel composite screen pipe according to claim 1, characterized in that, The positioning dismounting assembly comprises a positioning frame and a sliding positioning block, fixed cavities are formed at both ends of the positioning frame, positioning cavities are formed at the side ends of the fixed cavities for sliding positioning of the filter screen assembly, the sliding positioning block is arranged at the inner walls of both ends of the filter screen assembly, the fastening reset member comprises a reset limiting rod, the reset limiting rod is arranged at the inner walls of both ends of the positioning frame, a fixed pull ring is arranged at the top of the reset limiting rod for position sliding of the reset limiting rod, an elastic reset member is arranged at the bottom of the fixed pull ring for position resetting of the reset limiting rod.

6. The high-precision stainless steel composite screen pipe according to claim 1, characterized in that, The filter screen assembly comprises a filter screen fixing frame, filter screen structures are arranged between the inner walls of the side ends of the filter screen fixing frame, and sliding handles are arranged at both ends of the filter screen fixing frame for position rotation of the filter screen fixing frame.

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