Spheroidal graphite cast pipe elbow clamp

By designing an adjustable fixed frame and movable frame structure, the problem of low versatility of existing ductile iron pipe elbow clamps has been solved, achieving efficient clamping of ductile iron pipe elbows at different angles and improving processing adaptability.

CN223946536UActive Publication Date: 2026-02-27MAANSHAN SHENGYUAN PIPELINE CO LTD
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Patent Information

Application Number
CN202520607450.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-27
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Existing ductile iron pipe elbow fixtures are mainly designed for right-angle elbows, which have low versatility and cannot meet the processing needs of ductile iron pipe elbows with different angles.

Method used

A clamp for ductile iron pipe elbows, comprising a fixed frame and a movable frame, was designed. The clamping of ductile iron pipe elbows at different angles is achieved through a rotating connection. The adjustable support plate height and support groove structure are used to accommodate various specifications of ductile iron pipe elbows.

Benefits of technology

It achieves efficient clamping of ductile iron pipe elbows at different angles, improves the versatility of the fixture, and can adapt to the processing needs of ductile iron pipe elbows of various specifications.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223946536U_ABST
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Abstract

The utility model discloses a spheroidal graphite cast pipe elbow clamp which comprises a fixed frame and a movable frame rotationally connected with the fixed frame, supporting seats are arranged on the upper surfaces of the ends, far away from each other, of the movable frame and the fixed frame, supporting grooves are formed in the supporting seats, glands are detachably installed on the supporting seats, and the glands are arranged in the supporting grooves. A center shaft is arranged at the end, close to the movable frame, of the fixed frame, the center shaft is rotationally sleeved with the inner end of the movable frame, a first screw hole is formed in the center shaft, a first bolt is arranged in the first screw hole, and a supporting plate is fixedly connected to the upper end of the first bolt. The elbow clamp for the spheroidal graphite cast pipe can clamp pipe bodies at different angles, and is high in universality.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, specifically, relate to a nodus of ductile cast iron pipe clamp. BACKGROUND

[0002] The nodus of ductile cast iron pipe is widely applied in water supply, gas and other fields, and its machining precision directly affects the service performance of the pipeline system. The nodus of ductile cast iron pipe has different bending angles when applied in different scenarios. The existing nodus of ductile cast pipe clamp is mainly designed for right-angle elbow, and has low versatility.

[0003] For example, CN222134170U discloses a machining clamp for elbow flange joint, comprising two symmetrical bending pipe clamps. The two bending pipe clamps are used for clamping and fixing the elbow pipe part of the elbow flange joint. The two bending pipe clamps are detachably connected, which facilitates the clamping and dismounting of the elbow flange joint. The bending pipe clamp is provided with a bending pipe fixing groove. The through hole formed by the two bending pipe fixing grooves is conformal with the outer surface of the elbow pipe part of the elbow flange joint. The through hole is used to ensure the stability of the clamp clamping the elbow flange joint, and facilitates the processing of the flange part. One of the bending pipe clamps is fixedly arranged on the machine tool. The machine tool is provided with a flange fixing seat, which is used to fix the large end of the elbow flange joint, and facilitates the processing of the elbow pipe part of the elbow flange joint.

[0004] The machining clamp can only be used for bending pipes with one bending angle specification, and still has the problem of low versatility. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a nodus of ductile cast pipe clamp, which can clamp pipe bodies with different angles and has high versatility.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a nodus of ductile cast pipe clamp, which comprises a fixed frame and a movable frame rotatably connected with the fixed frame. The upper surfaces of the ends of the movable frame and the fixed frame away from each other are provided with supporting seats. The supporting seats are formed with supporting grooves. The supporting seats are detachably provided with pressure covers. One end of the fixed frame close to the movable frame is provided with a central shaft. The inner end of the movable frame is rotatably sleeved on the central shaft. The central shaft is provided with a first screw hole. The first screw hole is provided with a first bolt. The upper end of the first bolt is fixedly connected with a supporting plate.

[0007] Preferably, the inner end of the movable frame is provided with a first shaft body, the upper and lower sides of the inner end of the fixed frame are provided with shaft holes, the fixed frame is internally provided with a telescopic rod, the upper and lower sides of the fixed part of the telescopic rod are provided with second shaft bodies rotating in the shaft holes, and the end of the telescopic part of the telescopic rod is rotatably sleeved on the first shaft body.

[0008] Preferably, the inner end of the movable frame is provided with a first shaft body, the upper and lower sides of the inner end of the fixed frame are provided with shaft holes, the fixed frame is internally provided with a telescopic rod, the upper and lower sides of the fixed part of the telescopic rod are provided with second shaft bodies rotating in the shaft holes, and the end of the telescopic part of the telescopic rod is rotatably sleeved on the first shaft body.

[0009] Preferably, the bottom of the fixed frame is fixedly connected with a supporting leg, the side surface of the supporting leg is provided with a mounting foot plate, and the mounting foot plate is provided with a mounting hole.

[0010] Preferably, the two sides of the supporting seat are provided with ear blocks, the ear blocks are provided with second screw holes, the two ends of the gland are penetrated by second bolts, and the second bolts are screwed into the second screw holes.

[0011] Preferably, the bottom surface of the gland is provided with a pressing block in the middle.

[0012] Preferably, the supporting seat is internally embedded with a pad, and the pad is internally provided with a semicircular notch.

[0013] Preferably, the side surface of the supporting seat and the ground are provided with insertion grooves, and the outer side of the pad is provided with an insertion strip inserted into the insertion grooves.

[0014] According to the above technical scheme, the utility model provides a nodular cast pipe elbow clamp, including fixed frame and with the fixed frame between rotation connection movable frame, the movable frame with the fixed frame far from each other's end upper surface all are provided with supporting seat, the supporting seat forms has the supporting groove, the supporting seat is detachably installed with gland, the fixed frame is close to the movable frame one end and is provided with center axis, the inner end of the movable frame is rotatably sleeved on the center axis, the center axis is provided with first screw hole, the first screw hole is provided with first bolt, and the upper end of the first bolt is fixedly connected with a supporting plate.

[0015] The use mode and beneficial effects of the ductile cast iron pipe elbow clamp are as follows: when the ductile cast iron pipe elbow clamp is used, the angle between the fixed frame and the movable frame is adjusted according to the elbow angle of the ductile cast iron pipe, then the two ends of the ductile cast iron pipe elbow are respectively placed in the corresponding supporting grooves, and finally the clamping is completed by pressing the grommet on the upper side of the ductile cast iron pipe elbow, and then the clamped ductile cast iron pipe elbow can be processed or operated as required. The fixed frame and the movable frame connected by rotation can clamp and fix more specifications and angles of the ductile cast iron pipe elbow, and have high universality. The height of the supporting plate can be adjusted by rotating the first bolt, and the middle part of the ductile cast iron pipe elbow of different specifications can be supported.

[0016] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 is a clamping state structure diagram of a preferred embodiment of the ductile cast iron pipe elbow clamp;

[0019] Figure 2 is Figure 1 another perspective view of the structure;

[0020] Figure 3 is Figure 1 a top view structure schematic diagram of

[0021] Figure 4 is Figure 1 a rear view structure schematic diagram of

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1-fixed frame; 2-movable frame; 3-second shaft body; 4-leg; 5- telescopic rod; 6-installation foot plate; 7-second reinforcing column; 8-center shaft; 9-first reinforcing column; 10-supporting seat; 11-pad; 12-grommet; 13-second bolt; 14-supporting plate; 15-pressing block; 16-ductile cast iron pipe elbow; 17-first shaft body; 18-insertion strip; 19-first bolt; 20-mounting hole; 21-ear block. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0025] In the utility model, in the case that no opposite statement is made, the orientation words such as up and down, left and right, front and back, inside and outside contained in the term only represent the orientation of the term in the normal use state, or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the term.

[0026] Referring to Figures 1-4 The nodule cast pipe elbow clamp illustrated in the figure, including fixed frame 1 and with the fixed frame 1 between the movable frame 2, the movable frame 2 with the fixed frame 1 each other far away the end upper surface is provided with support seat 10, the support groove is formed in the support seat 10, the support seat 10 detachably installed with gland 12, the fixed frame 1 is close to the movable frame 2 one end is provided with center shaft 8, the inner end of the movable frame 2 is rotatably sleeved on the center shaft 8, the first screw hole is provided in the center shaft 8, the first bolt 19 is provided in the first screw hole, the upper end of the first bolt 19 is fixedly connected with the supporting plate 14.

[0027] Through the implementation of the above technical scheme, when using the nodule cast pipe elbow clamp, first, the angle between the fixed frame 1 and the movable frame 2 is adjusted according to the elbow angle of the nodule cast pipe, then the two ends of the nodule cast pipe elbow 16 are placed in the corresponding support groove, and finally the gland 12 is buckled on the upper side of the nodule cast pipe elbow 16 to press tightly, and then the clamped nodule cast pipe elbow 16 can be processed or operated as needed. The nodule cast pipe elbow clamp can clamp and fix more specifications and angles of the nodule cast pipe elbow 16 through the rotatably connected fixed frame 1 and movable frame 2, and has high versatility. The height of the supporting plate 14 can be adjusted by rotating the first bolt 19, and the middle part of the nodule cast pipe elbow 16 of different specifications can be supported.

[0028] In the embodiment, the first shaft body 17 is arranged at the position close to the outer end in the movable frame 2, the shaft holes are arranged on the upper and lower sides of the position close to the outer end in the fixed frame 1, the telescopic rod 5 is installed in the fixed frame 1, the second shaft body 3 rotatably arranged in the shaft hole is arranged on the upper and lower sides of the fixed part of the telescopic rod 5, and the end of the telescopic part of the telescopic rod 5 is rotatably sleeved on the first shaft body 17. Through such a setting, the telescopic rod 5 can be an electric cylinder, a hydraulic cylinder or an air cylinder, when the telescopic rod 5 is elongated or shortened, the second shaft body 3 can rotate in the shaft hole, and the end of the telescopic part can also rotate on the first shaft body 17.

[0029] In this embodiment, the first reinforcing column 9 is arranged near the center shaft 8 in the movable frame 2, and the second reinforcing column 7 is arranged near the center shaft 8 in the fixed frame 1. The movable frame 2 and the fixed frame 1 are both horizontal U-shaped plates, and the two U-shaped plates are rotationally connected at the open ends of the plates. Specifically, the center shaft 8 is arranged at the open end of the U-shaped plate of the fixed frame 1, and the upper plate and the lower plate of the open end of the U-shaped plate of the movable frame 2 are both rotationally sleeved outside the center shaft 8, and the movable frame 2 is arranged inside the fixed frame 1.

[0030] In order to increase the stability of the movable frame 2 and the fixed frame 1, the first reinforcing column 9 is arranged near the center shaft 8 in the movable frame 2, and the second reinforcing column 7 is arranged near the center shaft 8 in the fixed frame 1, thereby increasing the structural strength.

[0031] In this embodiment, the bottom of the fixed frame 1 is fixedly connected with a supporting leg 4, the side surface of the supporting leg 4 is provided with a mounting foot plate 6, and the mounting foot plate 6 is provided with a mounting hole 20. Through such an arrangement, the fixed frame 1 can be fixed on a required work station by means of screws passing through the mounting hole 20.

[0032] In this embodiment, the two sides of the supporting seat 10 are provided with ear blocks 21, the ear blocks 21 are provided with second screw holes, the two ends of the gland 12 are penetrated by second bolts 13, and the second bolts 13 are screwed into the second screw holes. Through such an arrangement, a detachable mode of the gland 12 is provided, and the gland 12 can be pressed on the upper side of the nodular cast pipe by means of tightening the second bolts 13.

[0033] In this embodiment, the middle part of the bottom surface of the gland 12 is provided with a pressing block 15. Through such an arrangement, the pressing block 15 can extend into the supporting seat 10 for pressing, and has a better pressing effect on the nodular cast pipe elbow 16 with a smaller diameter. The pressing block 15 can be made of rubber material, thereby reducing the damage to the nodular cast pipe elbow 16.

[0034] In this embodiment, the supporting seat 10 is embedded with a pad 11, and the pad 11 is provided with a semicircular notch. Through such an arrangement, the pad 11 with a semicircular notch with different diameters can be replaced, thereby increasing the application range of the nodular cast pipe elbow clamp.

[0035] In this embodiment, the side surface of the supporting seat 10 and the ground are provided with insertion grooves, and the outer side of the pad 11 is provided with insertion strips 18 which are inserted into the insertion grooves. Through the cooperation of the insertion grooves and the insertion strips 18, the pad 11 has a more stable mounting effect.

[0036] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0037] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combinations.

[0038] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the concept of the present application, and they should also be considered as disclosed by the present application.

Claims

1. A ductile cast iron pipe elbow clamp characterized by, The nodular cast pipe elbow clamp comprises a fixed frame (1) and a movable frame (2) rotationally connected with the fixed frame (1), the movable frame (2) and the fixed frame (1) are both provided with a supporting seat (10) on the upper surface of the end away from each other, the supporting seat (10) is formed with a supporting groove, the supporting seat (10) is detachably provided with a gland (12), the fixed frame (1) is provided with a central shaft (8) at one end close to the movable frame (2), the inner end of the movable frame (2) is rotationally sleeved on the central shaft (8), the central shaft (8) is provided with a first screw hole, the first screw hole is provided with a first bolt (19), and the upper end of the first bolt (19) is fixedly connected with a supporting plate (14).

2. The ductile iron pipe elbow clamp of claim 1, wherein, The movable frame (2) is provided with a first shaft body (17) at a position close to the outer end, the fixed frame (1) is provided with shaft holes on the upper and lower sides of a position close to the outer end, the fixed frame (1) is provided with a telescopic rod (5), the fixed frame (1) is provided with a second shaft body (3) rotationally arranged in the shaft hole on the upper and lower sides of the fixed part of the telescopic rod (5), and the end of the telescopic part of the telescopic rod (5) is rotationally sleeved on the first shaft body (17).

3. The ductile iron pipe elbow clamp of claim 1, wherein, The movable frame (2) is provided with a first reinforcing column (9) at a position close to the central shaft (8), and the fixed frame (1) is provided with a second reinforcing column (7) at a position close to the central shaft (8).

4. The ductile iron pipe elbow clamp of claim 1, wherein, The bottom of the fixed frame (1) is fixedly connected with a supporting leg (4), the side surface of the supporting leg (4) is provided with a mounting foot plate (6), and the mounting foot plate (6) is provided with a mounting hole (20).

5. The ductile iron pipe elbow clamp of claim 1, wherein, The supporting seat (10) is provided with an ear block (21) on both sides, the ear block (21) is provided with a second screw hole, and the both ends of the gland (12) are penetrated by a second bolt (13) provided with a second screw hole.

6. The ductile iron pipe elbow clamp of claim 1, wherein, The bottom surface of the gland (12) is provided with a pressing block (15) in the middle.

7. The ductile iron pipe elbow clamp of claim 1, wherein, The supporting seat (10) is embedded with a pad (11), and the pad (11) is provided with a semicircular notch.

8. The ductile iron pipe elbow clamp of claim 7, wherein, The side surface of the supporting seat (10) and the ground are provided with a slot; The outer side of the pad (11) is provided with an insertion strip (18) inserted into the slot. The outer side of the pad (11) is provided with an insertion strip (18) inserted into the slot.

Citation Information

Patent Citations

  • Machining clamp for bent pipe flange joint

    CN222134170U