Cement pipe with low-damage pipe orifice

Abstract

The utility model belongs to the technical field of cement pipes, and discloses a pipe orifice low-damage cement pipe which comprises a cement pipe body, a pipe orifice protection mechanism is arranged in the cement pipe body and comprises a fixing block, threaded grooves are formed in the left side and the right side of the fixing block, and supporting screw rods are arranged in the threaded grooves in the left side and the right side of the fixing block. Linkage blocks are arranged on the two sides, away from each other, of the two supporting screws, arc-shaped blocks are arranged in the centers of the sides, away from each other, of the two linkage blocks, arc-shaped plates are arranged at the upper ends and the lower ends of the sides, away from each other, of the two linkage blocks, hidden sliding grooves are formed in the arc-shaped plates, and movable arc-shaped plates are arranged in the hidden sliding grooves; and two fixing stand columns are arranged at each of the upper end and the lower end of the fixing block, threaded grooves are formed in the sides, away from the fixing block, of the fixing stand columns, and second supporting screw rods are arranged in the threaded grooves in the fixing stand columns.

Description

Technical Field

[0001] The present application relates to the technical field of cement pipes, and more specifically, to a cement pipe with low pipe opening damage. Background Art

[0002] Cement pipe is a prefabricated pipe made of cement mixed with sand, gravel and other building materials. It is widely used in the construction and maintenance of urban underground pipelines. In special environments, it can also be used as a material supply pipeline.

[0003] After searching and publishing (announcement number): CN213299243U discloses a cement pipe with anti-damage pipe mouth, including a cement pipe body, and a detachable protection mechanism is arranged at the end of the cement pipe body, the protection mechanism includes an annular protective sleeve mounted on the end of the cement pipe body, and the annular protective sleeve and the cement pipe body can be conveniently connected together by arranging a rotating disk, a connecting pipe, a rotating rod, an internal threaded pipe, an external plug-in plate, an internal plug-in plate, a clamping block and a clamping groove. The inner and outer sides of the end of the cement pipe body can be protected by the arranged annular protective sleeve. During use, it is necessary to open a plurality of clamping grooves on the pipe mouth of the cement pipe body, which will cause the wall of the cement pipe body where the clamping grooves are opened to become thinner. When two cement pipe bodies are assembled together, if there is a bump between the cement pipe bodies, it is easy to cause the part of the pipe wall where the clamping grooves are opened to be broken and damaged, which needs to be improved.

[0004] In order to solve the above problems, the present application provides a cement pipe with low pipe opening damage. Utility Model Content

[0005] The present application provides a cement pipe with low pipe opening damage, which adopts the following technical solution:

[0006] The cam is provided with a plurality of threaded grooves on the two sides of the fixing block, and a supporting screw is provided in the threaded grooves on the two sides of the fixing block. The two supporting screws are provided with linkage blocks on the two sides away from each other, and the central parts of the two linkage blocks are provided with an arc block. The upper and lower ends of the two linkage blocks are provided with an arc plate on the side away from each other, and the arc plate is provided with a hidden slide groove, and a movable arc plate is provided in the hidden slide groove. The upper and lower ends of the fixing block are provided with two fixing columns, and the fixing column is provided with a threaded groove on the side away from the fixing block, and a second supporting screw is provided in the threaded groove on the fixing column. A limiting block is provided on the side of the second supporting screw away from the fixing column, and a threaded through hole is provided at the front and rear ends of the fixing block, and a connection reinforcement mechanism is provided in the threaded through hole on the fixing block.

[0007] The above technical solution makes it easy to protect the pipe opening of the cement pipe body.

[0008] Furthermore, the connection reinforcement mechanism includes an adjusting screw, a ring is sleeved on the outer wall of the adjusting screw, four extension columns are fixedly installed on the outer wall of the ring, telescopic columns are provided on the side of the four extension columns away from the ring, and three reinforcement rings are fixedly sleeved on the outer walls of the four extension columns.

[0009] The above technical solution makes it easy to protect the inside of the pipe opening of the cement pipe body.

[0010] Furthermore, an outer protective sleeve is provided in front of the cement pipe body, and a plurality of arc-shaped grooves are provided on the front end surface of the outer protective sleeve, and balls are provided in the arc-shaped grooves on the outer protective sleeve.

[0011] The above technical solution makes it easy to protect the outside of the cement pipe opening.

[0012] Furthermore, the extension column is a hollow body, and an opening matching the diameter of the telescopic column is provided on one side of the extension column away from the ferrule, and the telescopic column can extend into the inner cavity of the extension column through the opening.

[0013] The above technical solution makes it easy to adjust the position of the telescopic column.

[0014] Furthermore, four plug-in grooves matching the diameter of the telescopic column are provided on the inner wall of the outer protective cover, and anti-slip folds are provided on the inner walls of the plug-in grooves.

[0015] The above technical solution facilitates the connection of the outer protective cover and the telescopic column into a whole.

[0016] Furthermore, a rotating connection ring is provided on one side of the linkage block close to the fixed block, and two ends of the rotating connection ring are respectively fixedly connected to the linkage block and the support screw.

[0017] The above technical solution can prevent the supporting screw rod from being directly connected to the linkage block and being unable to rotate.

[0018] Furthermore, the linkage block is provided with two connecting shafts, and the arc plate and the linkage block can be connected into a whole through the two connecting shafts.

[0019] The above technical solution makes it easy to adjust the angle of the curved plate.

[0020] In summary, this application includes the following beneficial technical effects:

[0021] The pipe mouth of the cement pipe body is covered and protected by the arc plate, the movable arc plate and the outer protective sleeve, the position of the extension column is adjusted by controlling the adjusting screw, and the telescopic column is pulled to be inserted into the plug-in groove on the outer protective sleeve, which can avoid the need to open several slots on the pipe mouth of the cement pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of this application;

[0023] Figure 2 This is a schematic diagram of the structure of the nozzle protection mechanism of this application;

[0024] Figure 3 This is a schematic diagram of the connection reinforcement mechanism structure of the present application.

[0025] Description of the numbers in the figure:

[0026] 1. Cement pipe body; 2. Pipe mouth protection mechanism; 3. Fixed block; 4. Support screw; 5. Linkage block; 6. Arc block; 7. Arc plate; 8. Hidden slide; 9. Movable arc plate; 10. Fixed column; 11. Second support screw; 12. Limit block; 13. Outer protective cover; 14. Ball; 15. Adjustment screw; 16. Ring; 17. Extension column; 18. Telescopic column; 19. Reinforcement ring; 20. Connection reinforcement mechanism. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. Example

[0030] The present application embodiment discloses a cement pipe with low pipe opening damage, please refer to Figure 1 and Figure 2 , including a cement pipe body 1, a pipe mouth protection mechanism 2 is arranged in the cement pipe body 1, the pipe mouth protection mechanism 2 includes a fixing block 3, thread grooves are arranged on the left and right sides of the fixing block 3, support screws 4 are arranged in the thread grooves on the left and right sides of the fixing block 3, linkage blocks 5 are arranged on the two sides away from each other, arc blocks 6 are arranged at the center of the side away from each other, arc plates 7 are arranged at the upper and lower ends of the side away from each other, hidden slide grooves 8 are arranged on the arc plates 7, and movable arc plates 9 are arranged in the hidden slide grooves 8, and the inner wall of the pipe mouth of the cement pipe body is contacted by the arc plates 7 and the movable arc plates 9, so as to provide the cement pipe body. Protection is provided for the pipe mouth, two fixed columns 10 are provided at the upper and lower ends of the fixed block 3, a threaded groove is provided on the side of the fixed column 10 away from the fixed block 3, a second support screw 11 is provided in the threaded groove on the fixed column 10, and a limit block 12 is provided on the side of the second support screw 11 away from the fixed column 10. The limit block 12 is a U-shaped structure, and the width of the U-shaped groove on the limit block 12 is the same as the width of the movable arc plate 9, so that the movable arc plate 9 can be limited by the limit block 12 to prevent displacement, and threaded through holes are provided at the front and rear ends of the fixed block 3, and a connecting reinforcement mechanism 20 is provided in the threaded through holes on the fixed block 3.

[0031] See also Figure 3 The connection reinforcement mechanism 20 includes an adjusting screw 15, the diameter of the adjusting screw 15 is the same as the diameter of the threaded through-holes at the front and rear ends of the fixing block 3, a ferrule 16 is sleeved on the outer wall of the adjusting screw 15, a rotating connecting ring is inlaid on the inner wall of the ferrule 16, the inner wall of the rotating connecting ring is connected to the outer wall of the adjusting screw 15, so as to avoid that after the adjusting screw 15 is rotated to the desired position, the position of the extension column 17 outside the ferrule 16 cannot be adjusted, four extension columns 17 are fixedly installed on the outer wall of the ferrule 16, and telescopic columns 18 are provided on the side of the four extension columns 17 away from the ferrule 16, and three reinforcement ferrules 19 are fixedly sleeved on the outer walls of the four extension columns 17, and the reinforcement ferrules 19 can prevent the extension columns 17 from bending.

[0032] See also Figure 1 An outer protective sleeve 13 is provided in front of the cement pipe body 1, and a plurality of arc-shaped grooves are provided on the front end surface of the outer protective sleeve 13, and balls 14 are provided in the arc-shaped grooves on the outer protective sleeve 13. The outer protective sleeve 13 can provide protection for the outer wall of the pipe mouth of the cement pipe body 1, and when the outer protective sleeve 13 is used to protect the thinner end of the pipe mouth of the cement pipe body 1, foam can be filled between the outer protective sleeve 13 and the pipe mouth.

[0033] See also Figure 3 The extension column 17 is a hollow body, and the side of the extension column 17 away from the ring 16 is provided with an opening matching the diameter of the telescopic column 18. The telescopic column 18 can extend into the inner cavity of the extension column 17 through the opening, which is convenient for removing the pipe mouth protection mechanism 2 from the inner cavity of the cement pipe body 1 at a later time.

[0034] See also Figure 1 and Figure 2 The inner wall of the outer protective cover 13 is provided with four plug-in grooves matching the diameter of the telescopic column 18, and the inner walls of the plug-in grooves are provided with anti-slip folds, which facilitate the insertion of the telescopic column 18 into the plug-in grooves, so that the outer protective cover 13 and the pipe mouth protection mechanism 2 are connected as a whole.

[0035] See also Figure 1 and Figure 2 A rotating connecting ring is provided on one side of the linkage block 5 close to the fixed block 3, and the two ends of the rotating connecting ring are respectively fixedly connected to the linkage block 5 and the support screw 4 to prevent the linkage block 5 from being fixedly connected to the support screw 4 and being unable to rotate.

[0036] See also Figure 1 and Figure 2 The linkage block 5 is provided with two connecting shafts, and the arc plate 7 and the linkage block 5 can be connected into a whole through the two connecting shafts, so as to facilitate the adjustment of the angle of the arc plate 7.

[0037] The implementation principle of this embodiment is: when in use, first place the fixed block 3 in the inner cavity of the cement pipe body 1, control the support screw 4 to rotate, so that the arc block 6 contacts the inner wall of the cement pipe body 1, then pull the movable arc plate 9 to slide in the hidden slide groove 8, and rotate the second support screw 11 to make the limit block 12 clamp the movable arc plate 9, and then put the outer protective sleeve 13 on the periphery of the cement pipe body 1, and the plug-in groove part on the outer protective sleeve 13 is not put on the outer wall of the cement pipe body 1, control the adjusting screw 15 to adjust the position of the extension column 17, and after the adjustment is completed, pull the telescopic column 18 to insert it into the plug-in groove on the outer protective sleeve 13 to complete the protection of the pipe mouth of the cement pipe body 1.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cement pipe with low pipe opening damage, comprising a cement pipe body (1), characterized in that: The cement pipe body (1) is provided with a pipe mouth protection mechanism (2), the pipe mouth protection mechanism (2) comprising a fixing block (3), the left and right sides of the fixing block (3) are provided with thread grooves, the thread grooves on the left and right sides of the fixing block (3) are provided with support screws (4), the two support screws (4) are provided with linkage blocks (5) on the two sides away from each other, the two linkage blocks (5) are provided with arc blocks (6) at the center of the side away from each other, the upper and lower ends of the side away from each other are provided with arc plates (7), and the arc plates (7) are provided with hidden slide grooves ( 8), a movable arc plate (9) is provided in the hidden slide groove (8), two fixed columns (10) are provided at the upper and lower ends of the fixed block (3), a threaded groove is provided on the side of the fixed column (10) away from the fixed block (3), a second support screw (11) is provided in the threaded groove on the fixed column (10), a limit block (12) is provided on the side of the second support screw (11) away from the fixed column (10), threaded through holes are provided at the front and rear ends of the fixed block (3), and a connection reinforcement mechanism (20) is provided in the threaded through hole on the fixed block (3).

2. A cement pipe with low pipe opening damage according to claim 1, characterized in that: The connection reinforcement mechanism (20) comprises an adjusting screw (15), a ferrule (16) is sleeved on the outer wall of the adjusting screw (15), four extension columns (17) are fixedly mounted on the outer wall of the ferrule (16), a telescopic column (18) is provided on the side of the four extension columns (17) away from the ferrule (16), and three reinforcement ferrules (19) are fixedly sleeved on the outer walls of the four extension columns (17).

3. The cement pipe with low pipe opening damage according to claim 1, characterized in that: An outer protective sleeve (13) is provided in front of the cement pipe body (1), and a front end surface of the outer protective sleeve (13) is provided with a plurality of arc-shaped grooves, and balls (14) are provided in the arc-shaped grooves on the outer protective sleeve (13).

4. The cement pipe with low pipe opening damage according to claim 2, characterized in that: The extension column (17) is a hollow body, and an opening matching the diameter of the telescopic column (18) is provided on a side of the extension column (17) away from the ferrule (16), and the telescopic column (18) can extend into the inner cavity of the extension column (17) through the opening.

5. The cement pipe with low pipe opening damage according to claim 3, characterized in that: Four plug-in grooves matching the diameter of the telescopic column (18) are provided on the inner wall of the outer protective cover (13), and anti-slip folds are provided on the inner walls of the plug-in grooves.

6. The cement pipe with low pipe opening damage according to claim 1, characterized in that: A rotating connection ring is provided on one side of the linkage block (5) close to the fixed block (3), and two ends of the rotating connection ring are respectively fixedly connected to the linkage block (5) and the support screw rod (4).

7. The cement pipe with low pipe opening damage according to claim 1, characterized in that: The linkage block (5) is provided with two connecting shafts, and the arc plate (7) and the linkage block (5) can be connected into a whole via the two connecting shafts.

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