Internal expansion and external buckling mechanism of iron sheet sleeve and iron sheet sleeve

Abstract

The internal expanding and external buckling mechanism comprises the iron sheet sleeve, a polishing assembly and a machining machine installed on one side of the polishing assembly, the iron sheet sleeve is a tubular shell with the hollow inner wall, the inner wall of the iron sheet sleeve is bent from the center of the surface of the top end to form an inner hole, and the inner hole is communicated with the polishing assembly. A gap is reserved between the inner hole and the inner wall of the iron sheet sleeve, one side of the top end of the gap penetrates through a cavity in the top end of the inner wall, the pipe is inserted through the iron sheet sleeve, the pipe is sleeved and fixed through the inner hole of the iron sheet sleeve and the gap, the contact area between the iron sheet sleeve and the pipe is increased, and the fixing level of the iron sheet sleeve and the pipe is enhanced. Meanwhile, the radian of the opening of the inner hole reduces the cracking damage risk of the iron sheet sleeve and increases the internal expansion area in the next-step internal expansion and external buckling process of the iron sheet sleeve, and is matched with the extrusion process of the outer side on the internal buckle and the external buckle, so that the iron sheet sleeve and the pipe are tightly jointed in the connecting process, the sealing effect of pipe connection is improved, and the waterproofness and insulativity are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of iron sleeves, in particular to an inner expansion and outer clamping mechanism of an iron sleeve and an iron sleeve. Background Art

[0002] The Dn20 pipe refers to a pipe with an inner diameter of 20 millimeters. The 6 - minute pipe belongs to the British system. The 6 - minute pipe is a 3 / 4 - inch pipe. 1 inch is 2.54 centimeters, and the 6 - minute pipe is about 2 centimeters. Therefore, the Dn20 pipe is also called the 6 - minute pipe. During the connection or installation of DN20 pipes, iron sleeves are often used to assist in the installation of pipe orifices and connect with other devices or pipes.

[0003] During the connection of existing iron sleeves with pipes, they often fall off and there are gaps between the iron sleeves and the pipes, resulting in situations such as inability to seal, water leakage, and non - insulation, reducing the overall use effect.

[0004] Therefore, we propose an inner expansion and outer clamping mechanism of an iron sleeve and an iron sleeve. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose an inner expansion and outer clamping mechanism of an iron sleeve and an iron sleeve.

[0006] In order to achieve the above - mentioned purpose, the utility model adopts the following technical scheme:

[0007] An inner expansion and outer clamping mechanism of an iron sleeve and an iron sleeve, including an iron sleeve, a grinding assembly, and a processing machine installed on one side of the grinding assembly. The iron sleeve is a tubular shell with a hollow inner wall. The iron sleeve forms an inner hole by bending the inner wall from the center of the top surface.

[0008] There is a gap between the inner hole and the inner wall of the iron sleeve, and one side of the top of the gap penetrates the cavity at the top of the inner wall.

[0009] As a further scheme of the utility model: the top surface of the iron sleeve is in an outward - expanding shape. The radius of the cross - section at the top of the iron sleeve is slightly larger than the radius of the cross - section of the surface of the iron sleeve. The side view of the gap and the inner wall of the iron sleeve is in an inverted L - shape. The inner hole is parallel and perpendicular to the bottom opening of the iron sleeve. The overall length of the iron sleeve is 37 mm, the surface radian at the top of the inner hole is R5, the length of the inner hole is 10 mm, the inner diameter length of the inner hole is 16 mm, and the wall thickness of the iron sleeve is 5 mm.

[0010] As a further scheme of the utility model: for the inner expansion and outer clamping mechanism of the iron sleeve, the grinding assembly includes a first driving motor, a grinding head is fixedly arranged on one side of the first driving motor, and a number of grinding grooves are formed on the surface of the grinding head.

[0011] As a further solution of the utility model: processing holes are formed on both sides of the processing machine, the inner diameter of the processing hole should be slightly larger than the diameter of the iron sheet sleeve, a sheathing pipe is fixedly arranged on one side of the inner wall of the processing machine, and the side view of the sheathing pipe is in an inverted L shape, and one side of the sheathing pipe penetrates through the center of the inner wall of the processing hole and is parallel and perpendicular to the processing hole.

[0012] As a further solution of the utility model: a first transmission shaft disk is fixedly arranged around the processing hole on the inner wall of the processing machine, the first transmission shaft disk is a circular ring-shaped shell, a plurality of pressing plates are movably arranged on the inner wall of the first transmission shaft disk, the surface of the pressing plate penetrates through the first transmission shaft disk, a first sliding rod is fixedly arranged on one side of the top end of the pressing plate, a first driving gear is movably arranged on the other surface of the first transmission shaft disk, a plurality of arc-shaped auxiliary grooves are formed on the surface of the first driving gear, and one side of the first sliding rod penetrates through the auxiliary groove and is sheathed by the auxiliary groove.

[0013] As a further solution of the utility model: an auxiliary gear is movably arranged on one side of the inner wall of the processing machine, the auxiliary gear meshes with the first driving gear, a second driving motor is fixedly arranged on one side of the auxiliary gear, and the second driving motor drives the auxiliary gear to drive the first driving gear to rotate.

[0014] As a further solution of the utility model: a variable-frequency motor is fixedly arranged on the inner wall of the processing hole, a second driving gear is fixedly arranged on one side of the variable-frequency motor, a plurality of arc-shaped auxiliary grooves are formed on the surface of the second driving gear, a second transmission shaft disk is movably arranged on the other side of the second driving gear, a plurality of moving plates are movably arranged on the inner wall of the second transmission shaft disk, the surface of the moving plate penetrates through the second transmission shaft disk, and an inner expansion plate is fixedly arranged at the top end of the moving plate.

[0015] As a further solution of the utility model: a plurality of inner expansion plates are arranged around the surface of the second transmission shaft disk, a second sliding rod is fixedly arranged at the top end of the other side of the moving plate, and the second sliding rod penetrates through the auxiliary groove and is clamped by the auxiliary groove.

[0016] Compared with the prior art, the utility model provides an inner expansion and outer buckling mechanism of an iron sheet sleeve and the iron sheet sleeve, and has the following beneficial effects:

[0017] The utility model inserts the pipe through the iron sleeve so that the gap of the iron sleeve can be used to sleeve and fix the pipe. The inner diameter and the length of the gap can be stretched longer in the inner wall of the pipe during the insertion and sleeve process, so that the contact area between the iron sleeve and the pipe is increased, and the fixation level of the iron sleeve and the pipe is enhanced. At the same time, the curvature of the inner hole opening reduces the risk of cracking and damage of the iron sleeve during the next step of internal expansion and external buckling of the iron sleeve, increases the area of ​​internal expansion, cooperates with the extrusion process of the outer side to the internal and external buckling, so that the iron sleeve and the pipe are tightly connected during the connection process, improves the sealing effect of the pipe connection, and enhances the waterproofness and sealing.

[0018] The utility model drives the grinding head to rotate and grind the inner wall of the pipe by the first driving motor, so that the pipes of different thicknesses can adapt to the installation of the iron sleeve, and the frequency conversion motor drives the second transmission gear to rotate, so that the movable plate of the inner wall cavity of the second transmission shaft disk drives the inner expansion plate to expand the inner wall of the pipe installed with the iron sleeve, so that the inner hole and the gap are completely closed in the process of sleeve installation of the pipe, and the gap in the cavity of the pipe is sealed. The pipe continues to pass through the processing hole on the other side of the processing box to sleeve the sleeve pipe, and the second driving motor drives the auxiliary gear to rotate the first driving gear, so that the pressing plate slides along the cavity of the first transmission shaft disk to press the surface of the iron sleeve, so that the installation process of the iron sleeve and the pipe is more stable, and the fixing effect is improved.

[0019] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the inner expansion and outer buckle mechanism of an iron sleeve and the overall structure of the iron sleeve proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of an inner expansion and outer buckle mechanism of an iron sleeve and the structure of the iron sleeve proposed by the utility model;

[0022] Figure 3 It is a schematic diagram of the overall structure of an inner expansion and outer buckle mechanism of an iron sleeve and an iron sleeve processing machine proposed by the utility model;

[0023] Figure 4 It is a side cross-sectional structural schematic diagram of an inner expansion and outer buckle mechanism of an iron sleeve and an iron sleeve processing machine proposed by the utility model;

[0024] Figure 5 This is a schematic diagram of the overall structure of an inner expansion and outer buckle mechanism of an iron sleeve and a second transmission shaft disc and a second driving gear of the iron sleeve proposed by the utility model;

[0025] Figure 6Schematic diagram of the overall structure of an inner expansion and outer clamping mechanism of an iron sheet sleeve, the first transmission shaft disk of the iron sheet sleeve, and the first driving gear proposed by the present utility model;

[0026] In the figure: 1. Iron sheet sleeve; 2. Inner hole; 3. Gap; 4. Grinding assembly; 5. Processing machine; 6. First driving motor; 7. Grinding head; 8. Grinding groove; 9. Processing hole; 10. Sleeve pipe; 11. First transmission shaft disk; 12. Pressing plate; 13. First sliding rod; 14. First driving gear; 15. Auxiliary groove; 16. Auxiliary gear; 17. Second driving motor; 18. Frequency conversion motor; 19. Second driving gear; 20. Second transmission shaft disk; 21. Moving plate; 22. Inner expansion plate; 23. Second sliding rod. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0029] Embodiment: An inner expansion and outer clamping mechanism of an iron sheet sleeve and an iron sheet sleeve, as Figures 1 - 2 , including an iron sheet sleeve 1, a grinding assembly 4, and a processing machine 5 installed on one side of the grinding assembly 4. The iron sheet sleeve 1 is a tubular shell with a hollow inner wall. The iron sheet sleeve 1 forms an inner hole 2 by bending the inner wall from the center of the top surface. A gap 3 is left between the inner hole 2 and the inner wall of the iron sheet sleeve 1. One side of the top of the gap 3 penetrates the cavity at the top of the inner wall. The top surface of the iron sheet sleeve 1 is in an outward expansion shape. The radius of the cross-section at the top of the iron sheet sleeve 1 is slightly larger than the radius of the cross-section of the surface of the iron sheet sleeve 1. The length of the gap 3 between the inner diameter and the inner wall of the iron sheet sleeve 1 can extend longer in the inner wall of the pipe during the plugging and sleeving process, increasing the contact area between the iron sheet sleeve 1 and the pipe and enhancing the fixing level between the iron sheet sleeve 1 and the pipe. At the same time, during the next inner expansion and outer clamping process of the iron sheet sleeve 1, the radian of the opening of the inner hole 2 reduces the risk of cracking and damage of the iron sheet sleeve 1.

[0030] As Figure 3As shown, the grinding assembly 4 includes a first driving motor 6. A grinding head 7 is fixedly arranged on one side of the first driving motor 6. A plurality of grinding grooves 8 are formed on the surface of the grinding head 7. Processing holes 9 are formed on both sides of the processing machine 5. The inner diameter of the processing hole 9 should be slightly larger than the diameter of the iron sheet sleeve 1. A sleeve pipe 10 is fixedly arranged on one side of the inner wall of the processing machine 5, and the side view of the sleeve pipe 10 is an inverted L shape. One side of the sleeve pipe 10 penetrates through the center of the inner wall of the processing hole 9 and is parallel and perpendicular to the processing hole 9, so that DN20 pipes with different thicknesses can adapt to the installation of the iron sheet sleeve 1, improving the applicable range of the iron sheet sleeve 1.

[0031] As Figures 4 - 6 shown, a first transmission shaft disc 11 is fixedly arranged around the processing hole 9 on the inner wall of the processing machine 5. The first transmission shaft disc 11 is an annular shell. A plurality of pressing plates 12 are movably arranged on the inner wall of the first transmission shaft disc 11. The surface of the pressing plate 12 penetrates through the first transmission shaft disc 11. A first sliding rod 13 is fixedly arranged on one side of the top of the pressing plate 12. A first driving gear 14 is movably arranged on the other surface of the first transmission shaft disc 11. A plurality of arc-shaped auxiliary grooves 15 are formed on the surface of the first driving gear 14. One side of the first sliding rod 13 penetrates through the auxiliary groove 15 and is sleeved by the auxiliary groove 15. An auxiliary gear 16 is movably arranged on one side of the inner wall of the processing machine 5. The auxiliary gear 16 meshes with the first driving gear 14. A second driving motor 17 is fixedly arranged on one side of the auxiliary gear 16. The second driving motor 17 drives the auxiliary gear 16 to drive the first driving gear 14 to rotate, making the installation process of the iron sheet sleeve 1 and the pipe more stable, improving the fixing effect, and preventing the iron sheet sleeve 1 from detaching after long-term use.

[0032] As Figure 6 shown, a frequency conversion motor 18 is fixedly arranged on the inner wall of the processing hole 9. A second driving gear 19 is fixedly arranged on one side of the frequency conversion motor 18. A plurality of arc-shaped auxiliary grooves 15 are formed on the surface of the second driving gear 19. A second transmission shaft disc 20 is movably arranged on the other side of the second driving gear 19. A plurality of moving plates 21 are movably arranged on the inner wall of the second transmission shaft disc 20. The surface of the moving plate 21 penetrates through the second transmission shaft disc 20. An inner expansion plate 22 is fixedly arranged at the top of the moving plate 21. A plurality of inner expansion plates 22 are arranged around the surface of the second transmission shaft disc 20. A second sliding rod 23 is fixedly arranged at the top of the other side of the moving plate 21. The second sliding rod 23 penetrates through the auxiliary groove 15 and is clamped by the auxiliary groove 15, so that the inner hole 2 and the gap 3 are completely closed during the process of sleeving the sleeve pipe 10 on the material, sealing the cavity gap 3 of the pipe.

[0033] Working principle: The iron sleeve 1 is used to insert the pipe, so that the gap 3 of the iron sleeve 1 can be used to fix the pipe. Compared with the traditional iron groove, the length of the gap 3 between the inner diameter and the inner wall of the iron sleeve 1 can be stretched longer in the inner wall of the pipe during the insertion and sleeve process, so that the contact area between the iron sleeve 1 and the pipe is increased, and the fixation level of the iron sleeve 1 and the pipe is enhanced. At the same time, the curvature of the opening of the inner hole 2 reduces the risk of cracking and damage of the iron sleeve 1 during the next step of internal expansion and external buckling of the iron sleeve 1, increases the area of ​​internal expansion, and cooperates with the extrusion process of the outer side to the inner and outer buckles, so that the iron sleeve 1 and the pipe are tightly connected during the connection process, thereby improving the sealing effect of the pipe connection, enhancing the waterproofness and sealing, and the first drive motor 6 drives the grinding head 7 to rotate and grind the inner wall of the pipe. To make pipes of different thicknesses adapt to the installation of the iron sleeve 1, the pipe installed with the iron sleeve 1 is processed through the processing holes 9 on both sides of the plug-in processing machine 5. At this time, the frequency conversion motor 18 drives the second transmission gear to rotate, so that the moving plate of the inner wall cavity of the second transmission shaft disk 20 drives the inner expansion plate 22 to expand the inner wall of the pipe installed with the iron sleeve 1, so that the inner hole 2 and the gap 3 are completely closed in the process of sleeve pipe 10, and the gap 3 of the pipe cavity is sealed. The pipe continues to pass through the processing hole 9 on the other side of the processing box, and the sleeve pipe 10 is sleeved. The second drive motor 17 drives the auxiliary gear 16 to rotate the first driving gear 14, so that the pressing plate 12 slides along the cavity of the first transmission shaft disk 11 to press the surface of the iron sleeve 1, so that the installation process of the iron sleeve 1 and the pipe is more stable and the fixing efficiency is improved.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An internal expansion and external clamping mechanism for an iron sheet sleeve and an iron sheet sleeve, comprising an iron sheet sleeve (1), a grinding assembly (4), and a processing machine (5) installed on one side of the grinding assembly (4), characterized in that, The iron sleeve (1) is a tubular shell with a hollow inner wall, and the iron sleeve (1) forms an inner hole (2) by bending the inner wall from the center of the top surface; There is a gap (3) between the inner hole (2) and the inner wall of the iron sleeve (1), and one side of the top of the gap (3) penetrates the cavity at the top of the inner wall.

2. The internal expansion and external clamping mechanism of an iron sheet sleeve and the iron sheet sleeve according to claim 1, characterized in that, The top surface of the iron sleeve (1) is in an outward expanding shape, and the radius of the cross-section at the top of the iron sleeve (1) is slightly larger than the radius of the cross-section of the surface of the iron sleeve (1).

3. The internal expansion and external buckling mechanism of an iron sheet sleeve and the iron sheet sleeve according to claim 1, characterized in that, The inner expansion and outer clamping mechanism of the iron sleeve (1), the grinding assembly (4) includes a first driving motor (6), a grinding head (7) is fixedly arranged on one side of the first driving motor (6), and a plurality of grinding grooves (8) are arranged on the surface of the grinding head (7).

4. The internal expansion and external clamping mechanism of a iron sheet sleeve and the iron sheet sleeve according to claim 3, characterized in that, Processing holes (9) are arranged on both sides of the processing machine (5), the inner diameter of the processing holes (9) should be slightly larger than the diameter of the iron sleeve (1), a sleeve pipe (10) is fixedly arranged on one side of the inner wall of the processing machine (5), and the side view of the sleeve pipe (10) is an inverted L shape, and one side of the sleeve pipe (10) penetrates the center of the inner wall of the processing hole (9) and is parallel and perpendicular to the processing hole (9).

5. The internal expansion and external clamping mechanism of an iron sheet sleeve and the iron sheet sleeve according to claim 4, characterized in that, A first transmission shaft disk (11) is fixedly arranged on one side of the inner wall of the processing machine (5), the central through hole of the first transmission shaft disk (11) fits the processing hole (9), the first transmission shaft disk (11) is a circular ring-shaped shell, a plurality of pressing plates (12) are movably arranged on the inner wall of the first transmission shaft disk (11), the surface of the pressing plate (12) penetrates the first transmission shaft disk (11), a first sliding rod (13) is fixedly arranged on one side of the top of the pressing plate (12), a first driving gear (14) is movably arranged on the other surface of the first transmission shaft disk (11), a plurality of arc-shaped auxiliary grooves (15) are arranged on the surface of the first driving gear (14), and one side of the first sliding rod (13) penetrates the auxiliary groove (15) and is sleeved by the auxiliary groove (15).

6. The internal expansion and external clamping mechanism of an iron sheet sleeve and the iron sheet sleeve according to claim 5, characterized in that, An auxiliary gear (16) is movably arranged on one side of the inner wall of the processing machine (5), the auxiliary gear (16) meshes with the first driving gear (14), a second driving motor (17) is fixedly arranged on one side of the auxiliary gear (16), and the second driving motor (17) drives the auxiliary gear (16) to drive the first driving gear (14) to rotate.

7. The inner expansion and outer buckling mechanism of an iron sheet sleeve and the iron sheet sleeve according to claim 4, characterized in that, A frequency conversion motor (18) is fixedly arranged on the inner wall of the processing hole (9), a second driving gear (19) is fixedly arranged on one side of the frequency conversion motor (18), a plurality of arc-shaped auxiliary grooves (15) are arranged on the surface of the second driving gear (19), a second transmission shaft disk (20) is movably arranged on the other side of the second driving gear (19), a plurality of moving plates (21) are movably arranged on the inner wall of the second transmission shaft disk (20), the surface of the moving plate (21) penetrates the second transmission shaft disk (20), and an inner expansion plate (22) is fixedly arranged at the top of the moving plate (21).

8. The internal expansion and external clamping mechanism of an iron sheet sleeve and the iron sheet sleeve according to claim 7, characterized in that, The surface of the second transmission shaft disk (20) is surrounded by a number of inner expansion plates (22). At the top of the other side of the moving plate (21), a second sliding rod (23) is fixedly arranged, and the second sliding rod (23) penetrates through the auxiliary groove (15) and is engaged by the auxiliary groove (15).

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