Novel three-way spheroidal graphite tube

Abstract

The utility model discloses a novel three-way spheroidal graphite tube which comprises a three-way spheroidal graphite tube body, a mounting mechanism is arranged at an opening of the three-way spheroidal graphite tube body and comprises a hollow connecting plate, an annular inserting groove is formed in one side of the hollow connecting plate, an arc-shaped sliding rail is arranged on the upper surface of the hollow connecting plate, and the arc-shaped sliding rail is connected with the annular inserting groove. A sliding block is slidably connected to the inner wall of the arc-shaped sliding rail, a through groove is formed in the side, close to the arc-shaped sliding rail, of the hollow connecting plate, and a first threaded hole is formed in the side, away from the through groove, of the hollow connecting plate. Through the arrangement of the mounting mechanism, the three-way spheroidal graphite pipe body can be quickly connected with a connecting pipe through the mounting mechanism, so that compared with the mode that an existing three-way spheroidal graphite pipe body needs to be connected with a connecting pipe through a flange plate, a large number of bolts do not need to be used by adopting a rotary quick connection mode; and therefore, the connecting efficiency is effectively improved, and the practicability and convenience of the three-way spheroidal graphite pipe body are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nodular cast iron pipe technical field, especially a novel tee type nodular cast iron pipe. BACKGROUND

[0002] Nodular cast iron pipe is pipe fitting with the advantages of large strength, high elongation, impact resistance, corrosion resistance, good sealing property and the like by adding magnesium or rare earth magnesium bonding agent into molten iron before pouring to make graphite nodular, and reduce stress concentration; the inner wall adopts cement mortar lining, which improves pipeline water delivery environment, improves water supply capacity and reduces energy consumption; the pipe opening adopts flexible interface, and the pipe material itself has large elongation, so that the pipeline flexibility is good, and the pipeline can work together with the soil around the pipeline in the buried pipeline to improve the stress state of the pipeline, thereby improving the reliability of the pipeline network operation.

[0003] According to the search, the utility model discloses a novel tee type nodular cast iron pipe, which is different from the diameter of the body of the nodular cast iron pipe in the second direction water outlet pipe, so as to ensure that the pressure of the second direction water outlet pipe meets the water supply in different environments, and the structure is stable and will not be damaged due to different internal pressures for long-term use.

[0004] However, the above-mentioned tee nodular cast iron pipe still has some disadvantages in use: the connecting pipe is installed in the tee nodular cast iron pipe through the flange plate or bolt thread connection mode, a large number of bolts need to be screwed manually, which increases the installation and disassembly time and reduces the installation and disassembly efficiency, therefore, it is necessary to design a novel tee type nodular cast iron pipe which can quickly install the connecting pipe in the tee nodular cast iron pipe to improve the connection efficiency. UTILITY MODEL CONTENTS

[0005] In order to overcome the deficiency that the connecting pipe is installed in the tee nodular cast iron pipe through the flange plate or bolt thread connection mode, a large number of bolts need to be screwed manually, which increases the installation and disassembly time and reduces the installation and disassembly efficiency in the prior art, one of the purposes of the utility model is to provide a novel tee type nodular cast iron pipe.

[0006] One of the purposes of the utility model discloses a novel tee type nodular pipe, including tee nodular pipe body: the opening of tee nodular pipe body is provided with mounting mechanism, the mounting mechanism includes hollow connecting plate, the one side of hollow connecting plate is provided with annular slot, the upper surface of hollow connecting plate is provided with arc slide rail, the inner wall of arc slide rail is connected with sliding block slidingly, the one side of hollow connecting plate close to arc slide rail is provided with through slot, the one side of hollow connecting plate away from through slot is provided with threaded hole no. One, the middle part of sliding block is provided with threaded hole no. Two, the inner wall of threaded hole no. One is connected with limit rod threadedly, the inner wall of annular slot is inserted with insert sleeve, sliding block with insert sleeve is fixedly connected, the one side of insert sleeve is fixedly connected with hollow fixed plate, the inner wall of hollow fixed plate is fixedly connected with connecting pipe. It is convenient to connect and install connecting pipe and tee nodular pipe body quickly, and installation and dismounting efficiency is effectively improved.

[0007] According to the novel tee type nodular pipe, one end of the limit rod is fixedly connected with a rotating knob. The limit rod is convenient to rotate.

[0008] According to the novel tee type nodular pipe, the inner bottom wall of the arc slide rail is fixedly connected with an arc support rod, and the limit rod penetrates through the outer surface of one side of the arc support rod and is in threaded connection with the arc support rod. The limit rod can pass through the arc support rod to achieve the purpose of limiting and fixing the sliding block in the arc slide rail.

[0009] According to the novel tee type nodular pipe, the sliding block is in U shape, the size of the inner wall of the sliding block is matched with the size of the arc support rod, and the sliding block is in sliding connection with the outer surface of the arc support rod. The arc support rod can support the sliding block, avoid the sliding block from rotating and falling off in the arc slide rail, and effectively improve the rotation stability of the sliding block.

[0010] According to the novel tee type nodular pipe, the size of the threaded hole no. One is consistent with the size of the threaded hole no. Two, and the limit rod is in threaded connection with the threaded hole no. Two. The limit rod can pass through the sliding block to limit the sliding block in the arc slide rail.

[0011] According to the novel tee type nodular pipe, the inner diameter of the hollow connecting plate is consistent with the inner diameter of the tee nodular pipe body, the inner diameter of the insert sleeve is larger than the inner diameter of the hollow fixed plate, and the inner diameter of the hollow fixed plate is consistent with the inner diameter of the hollow connecting plate. There is no gap between the connecting pipe and the hollow connecting plate, so that leakage is avoided.

[0012] According to the novel tee type ductile pipe, the size of the sliding block is matched with the size of the through groove, and the sliding block is movably connected with the through groove.

[0013] According to the novel tee type ductile pipe, the hollow connecting plate is welded with the tee type ductile pipe body.

[0014] The above scheme has the beneficial effects that:

[0015] Through the installation of the installation mechanism, the tee type ductile pipe body can be quickly connected with the connecting pipe, so that compared with the existing tee type ductile pipe body which needs to be connected with the connecting pipe through a flange plate, the rotating type quick connection does not need to use a large number of bolts, thereby effectively improving the connection efficiency and the practicability and convenience of the tee type ductile pipe body.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present application will be further described below in combination with the drawings and embodiments.

[0018] Figure 1 It is a whole structure schematic view of the novel tee type ductile pipe.

[0019] Figure 2 It is a whole sectional structure schematic view of the novel tee type ductile pipe.

[0020] Figure 3 It is a structure schematic view of the installation mechanism of the novel tee type ductile pipe.

[0021] Figure 4 It is a structure schematic view of the novel tee type ductile pipe. Figure 3 It is an enlarged structure schematic view of the middle A.

[0022] Figure 5 It is a structure schematic view of the through groove of the novel tee type ductile pipe.

[0023] Figure 6 It is a structure schematic view of the plug-in sleeve of the novel tee type ductile pipe.

[0024] LEGEND

[0025] 1, three ball pipe body; 2, mounting mechanism; 201, hollow connecting plate; 202, annular slot; 203, arc-shaped sliding rail; 204, sliding block; 205, through slot; 206, threaded hole one; 207, threaded hole two; 208, limit rod; 209, plug sleeve; 210, hollow fixing plate; 211, connecting pipe; 3, knob; 4, arc-shaped support rod. DETAILED DESCRIPTION

[0026] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0027] Reference Figures 1-6 A new three-way ball pipe, comprising a three-way ball pipe body 1: the opening of the three-way ball pipe body 1 is provided with a mounting mechanism 2, the mounting mechanism 2 comprises a hollow connecting plate 201, one side of the hollow connecting plate 201 is provided with an annular slot 202, the upper surface of the hollow connecting plate 201 is provided with an arc-shaped sliding rail 203, the inner wall of the arc-shaped sliding rail 203 is slidably connected with a sliding block 204, one side of the hollow connecting plate 201 close to the arc-shaped sliding rail 203 is provided with a through slot 205, one side of the hollow connecting plate 201 away from the through slot 205 is provided with a threaded hole one 206, the middle of the sliding block 204 is provided with a threaded hole two 207, the inner wall of the threaded hole one 206 is threadedly connected with a limit rod 208, the inner wall of the annular slot 202 is plugged with a plug sleeve 209, the sliding block 204 is fixedly connected with the plug sleeve 209, one side of the plug sleeve 209 is fixedly connected with a hollow fixing plate 210, the inner wall of the hollow fixing plate 210 is fixedly connected with a connecting pipe 211, one end of the limit rod 208 is fixedly connected with a knob 3, the inner bottom wall of the arc-shaped sliding rail 203 is fixedly connected with an arc-shaped support rod 4, the limit rod 208 penetrates through one side of the outer surface of the arc-shaped support rod 4 and is threadedly connected with the arc-shaped support rod 4, the sliding block 204 is U-shaped, the size of the inner wall of the sliding block 204 is matched with the size of the arc-shaped support rod 4, the sliding block 204 is slidably connected on the outer surface of the arc-shaped support rod 4, the size of the threaded hole one 206 and the threaded hole two 207 is consistent, the limit rod 208 is threadedly connected with the threaded hole two 207, the inner diameter of the hollow connecting plate 201 is consistent with the inner diameter of the three-way ball pipe body 1, the inner diameter of the plug sleeve 209 is larger than the inner diameter of the hollow fixing plate 210, the inner diameter of the hollow fixing plate 210 is consistent with the inner diameter of the hollow connecting plate 201, the size of the sliding block 204 is matched with the size of the through slot 205, the sliding block 204 is movably connected with the through slot 205, the hollow connecting plate 201 is welded with the three-way ball pipe body 1.

[0028] Thus, the connecting pipe 211 is quickly installed in the three-way ductile iron pipe body 1 through the mounting mechanism 2, and the connecting pipe 211 and the three-way ductile iron pipe body 1 are sealed at the opening by the hollow connecting plate 201 and the plug sleeve 209, so that the leakage is avoided, and the use is convenient. The arc-shaped supporting rod 4 supports the sliding block 204, so that the sliding block 204 is not separated during rotation.

[0029] Working principle: when the three-way ductile iron pipe body 1 needs to be connected with the connecting pipe 211, the sliding block 204 is aligned with the through slot 205, the plug sleeve 209 is pushed to be plugged in the annular insertion groove 202, the plug sleeve 209 drives the sliding block 204 to pass through the through slot 205 to the inner bottom wall of the arc-shaped sliding rail 203 and abuts against the arc-shaped supporting rod 4 while being moved and plugged, the plug sleeve 209 drives the connecting pipe 211 to enter the three-way ductile iron pipe body 1, the connecting pipe 211 drives the plug sleeve 209 to rotate on the inner wall of the annular insertion groove 202, and the plug sleeve 209 drives the sliding block 204 to rotate on the inner wall of the arc-shaped sliding rail 203 and the outer surface of the arc-shaped supporting rod 4, when the sliding block 204 reaches the other side of the inner bottom wall of the arc-shaped sliding rail 203, the rotating knob 3 drives the limiting rod 208 to be screwed into the screw hole two 207 from the inner wall of the screw hole one 206, so that the limiting rod 208 passes through the arc-shaped supporting rod 4 and the sliding block 204, thereby limiting the sliding block 204 in the arc-shaped sliding rail 203, and then the connecting pipe 211 is quickly installed in the three-way ductile iron pipe body 1 to realize the connection, compared with the flange plate connection, the rotating installation is faster, and the connection efficiency is greatly improved.

[0030] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A new type of tee fitting for ductile pipe, characterized in that, The three-way ductile pipe body (1) is provided with a mounting mechanism (2) at the opening, the mounting mechanism (2) comprises a hollow connecting plate (201), one side of the hollow connecting plate (201) is provided with an annular insertion slot (202), the upper surface of the hollow connecting plate (201) is provided with an arc-shaped sliding rail (203), the inner wall of the arc-shaped sliding rail (203) is slidably connected with a sliding block (204), and one side of the hollow connecting plate (201) close to the arc-shaped sliding rail (203) is provided with a through slot (205); The other side of the hollow connecting plate (201) away from the through slot (205) is provided with a threaded hole one (206), the middle part of the sliding block (204) is provided with a threaded hole two (207), the inner wall of the threaded hole one (206) is threadedly connected with a limiting rod (208), the inner wall of the annular insertion slot (202) is inserted with an insertion sleeve (209), the sliding block (204) is fixedly connected with the insertion sleeve (209), one side of the insertion sleeve (209) is fixedly connected with a hollow fixing plate (210), and the inner wall of the hollow fixing plate (210) is fixedly connected with a connecting pipe (211).

2. A novel tee fitting for ductile pipe according to claim 1, characterized in that, One end of the limiting rod (208) is fixedly connected with a rotating knob (3).

3. A novel tee fitting for ductile iron pipe according to claim 1, wherein The inner bottom wall of the arc-shaped sliding rail (203) is fixedly connected with an arc-shaped supporting rod (4), and the limiting rod (208) penetrates through one side of the outer surface of the arc-shaped supporting rod (4) and is in threaded connection with the arc-shaped supporting rod (4).

4. A novel tee fitting for ductile pipe according to claim 3, characterized in that, The sliding block (204) is U-shaped, the size of the inner wall of the sliding block (204) is matched with the size of the arc-shaped supporting rod (4), and the sliding block (204) is slidably connected to the outer surface of the arc-shaped supporting rod (4).

5. A novel tee fitting for ductile iron pipe according to claim 1, wherein, The size of the threaded hole one (206) is consistent with that of the threaded hole two (207), and the limiting rod (208) is in threaded connection with the threaded hole two (207).

6. A novel tee fitting for ductile pipe according to claim 1, characterized in that, The inner diameter of the hollow connecting plate (201) is consistent with the inner diameter of the three-way ductile pipe body (1), the inner diameter of the insertion sleeve (209) is larger than the inner diameter of the hollow fixing plate (210), and the inner diameter of the hollow fixing plate (210) is consistent with the inner diameter of the hollow connecting plate (201).

7. A novel tee fitting for ductile pipe according to claim 1, characterized in that, The size of the sliding block (204) is matched with the size of the through slot (205), and the sliding block (204) is movably connected with the through slot (205).

8. A novel tee fitting for ductile pipe according to claim 1, characterized in that, The hollow connecting plate (201) is welded with the three-way ductile pipe body (1).

Images