Device for connecting flexible bell and spigot nodular cast iron pipe fittings

Abstract

A device for connecting flexible bell and spigot nodular cast iron pipe fittings relates to the technical field of nodular cast iron pipe connection and is characterized in that a pressing mechanism is mounted on a base, a position limiting mechanism is mounted at the fixed end of the pressing mechanism, and the position of the clamping end of the position limiting mechanism corresponds to the position of the pressing end of the pressing mechanism; the position of the central axis of the pressing mechanism coincides with the position of the central axis of the base. The pressing mechanism comprises a sliding frame, a sliding rod, a sleeve, a positioning rod, an inserting rod, a pressing rod, an arc-shaped pushing plate and a fixing rod. The nodular cast iron pipes needing to be connected are fixed through the position limiting mechanism, the situation that the nodular cast iron pipe on the lower side shifts in the butt joint process and influences the bearing effect is avoided, the other nodular cast iron pipe is pressed into the nodular cast iron pipe on the position limiting mechanism through the pressing mechanism, the lever principle is adopted, the bearing and inserting connection effect is improved, and the bearing and inserting efficiency is improved. Time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of ductile iron pipe connection, in particular to a device for connecting flexible socket ductile iron pipe fittings. Background Art

[0002] During the connection process, ductile iron pipes are forcibly connected by workers using manual knocking, smashing or prying, which is time-consuming and labor-intensive, and can easily cause damage to the ductile iron pipes, resulting in unnecessary losses and reducing work efficiency. Utility Model Content

[0003] In order to overcome the shortcomings of the background technology, the utility model discloses a device for connecting flexible socket ductile iron pipe fittings. The utility model fixes the ductile iron pipe to be connected through a position limiting mechanism to avoid the ductile iron pipe on the lower side from getting loose during the docking process, which affects the connection effect. The other ductile iron pipe is pressed into the ductile iron pipe on the position limiting mechanism through a pressing mechanism. The lever principle is adopted to improve the socket connection effect, saving time and effort.

[0004] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0005] A device for connecting flexible socket ductile iron pipe fittings comprises a base, a pressing mechanism is installed on the base, a position limiting mechanism is installed on the fixed end of the pressing mechanism, and the position of the clamping end of the position limiting mechanism corresponds to the position of the pressing end of the pressing mechanism.

[0006] The position of the central axis of the pressing mechanism coincides with the position of the central axis of the base.

[0007] The pressing mechanism includes a sliding frame, a sliding rod, a sleeve, a positioning rod, an insertion rod, a pressing rod, an arc-shaped pushing plate and a fixed rod. The sliding frames are divided into two groups, each group of sliding frames has two sliding frames, and the two groups of sliding frames are located on the base and fixedly connected. A position limiting mechanism is installed on the sliding frame, the sliding frame is provided with equidistantly arranged sockets, a sliding rod is slidably connected in the sliding frame, an insertion hole is provided on the sliding rod, the position of the insertion hole corresponds to the position of the socket, and the insertion rod is slidably connected in the insertion hole and the socket, a positioning rod is fixedly connected between the two sliding rods, and the positioning rod is rotatably connected with a sleeve, the sleeve is fixedly connected with a pressing rod, the pressing rod is connected to the arc-shaped pushing plate through a fixed rod, and the position of the arc-shaped pushing plate corresponds to the position of the clamping end of the position limiting mechanism.

[0008] The position of the central axis of the position limiting mechanism coincides with the position of the central axis of the pressing mechanism.

[0009] The position limiting mechanism comprises an H-shaped plate, a limiting rod, a rotating sleeve, a telescopic rod, a flip rod, a bearing, a threaded moving block, a screw, a sliding rod, a first arc-shaped fixed plate, a second arc-shaped fixed plate and a connecting frame, wherein the H-shaped plate is located on the fixed end of the pressing mechanism and is fixedly connected, two placement grooves are respectively provided on both sides of the middle longitudinal plate of the H-shaped plate, and the two placement grooves are connected by a connecting groove, two sliding rods are fixedly connected in the placement groove, a bearing is fixedly connected in the connecting groove, a screw is fixedly connected to the rotating end of the bearing, and threaded moving blocks are respectively threadedly connected at the upper and lower ends of the screw, the position of the threaded moving block corresponds to the position of the sliding rod and is slidably connected, and the screw The pattern moving block is provided with a flip rod rotatably connected, and the two flip rods are rotatably connected. A rotating groove is provided on the connecting end of the lower flip rod and the upper flip rod, and a rotating sleeve is rotatably connected in the rotating groove. A first arc-shaped fixed plate is fixedly connected to the rotating sleeve, and telescopic rods are respectively fixedly connected to the two sides of the first arc-shaped fixed plate, and the fixed ends of the telescopic rods are located on the H-shaped plate and fixedly connected. The connecting frame is located on the fixed end of the pressing mechanism and fixedly connected. The connecting frame is connected to the second arc-shaped fixed plate through a limiting rod, and the position of the second arc-shaped fixed plate corresponds to the position of the first arc-shaped fixed plate, and the position of the second arc-shaped fixed plate corresponds to the position of the pressing end of the pressing mechanism.

[0010] The H-shaped plate is fixedly connected with a U-shaped frame, the U-shaped frame is provided with a sliding groove, a sliding block is slidably connected in the sliding groove, a toggle rod is rotatably connected to the sliding block, and the bottom end of the toggle rod is slidably connected to the top end of the screw rod.

[0011] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0012] The utility model discloses a device for connecting flexible socket-end ductile iron pipe fittings, which fixes the ductile iron pipe to be connected by a position limiting mechanism, so as to avoid the ductile iron pipe on the lower side from getting loose during the docking process, thereby affecting the connection effect; another ductile iron pipe is pressed into the ductile iron pipe on the position limiting mechanism by a pressing mechanism, and the lever principle is adopted to improve the socket-end connection effect, thereby saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] 1. Base; 2. Pressing mechanism; 201. Sliding frame; 202. Sliding rod; 203. Sleeve; 204. Positioning rod; 205. Inserting rod; 206. Pressing rod; 207. Arc-shaped pushing plate; 208. Fixed rod; 3. Position limiting mechanism; 301. H-shaped plate; 302. Limiting rod; 303. Rotating sleeve; 304. U-shaped frame; 305. Sliding block; 306. Toggle rod; 307. Telescopic rod; 308. Flip rod; 309. Bearing; 310. Threaded moving block; 311. Screw; 312. Sliding rod; 313. First arc-shaped fixed plate; 314. Second arc-shaped fixed plate; 315. Connecting frame. DETAILED DESCRIPTION

[0016] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0017] Combined with Figure 1~2 The device for connecting flexible socket ductile iron pipe fittings comprises a base 1, a pressing mechanism 2 is installed on the base 1, a position limiting mechanism 3 is installed on the fixed end of the pressing mechanism 2, the position of the clamping end of the position limiting mechanism 3 corresponds to the position of the pressing end of the pressing mechanism 2, the position of the lower ductile iron pipe is fixed by the position limiting mechanism 3, and the other ductile iron pipe is pressed by the pressing mechanism 2, so that the two ductile iron pipes are connected.

[0018] The position of the central axis of the pressing mechanism 2 coincides with the position of the central axis of the base 1 .

[0019] The pressing mechanism 2 includes a sliding frame 201, a sliding rod 202, a sleeve 203, a positioning rod 204, an insertion rod 205, a pressing rod 206, an arc-shaped pushing plate 207 and a fixing rod 208. The number of the sliding frames 201 is two groups, and the number of each group of sliding frames 201 is two. Both groups of sliding frames 201 are located on the base 1 and are fixedly connected. The sliding frame 201 is equipped with a position limiting mechanism 3. The sliding frame 201 is provided with equidistantly arranged sockets. The sliding frame 201 is slidably connected with a sliding rod 2 02, an insertion hole is provided on the sliding rod 202, the position of the insertion hole corresponds to the position of the plug hole, and an insertion rod 205 is slidably connected between the insertion hole and the plug hole, a positioning rod 204 is fixedly connected between the two sliding rods 202, and a sleeve 203 is rotatably connected to the positioning rod 204, a pressing rod 206 is fixedly connected to the sleeve 203, and the pressing rod 206 is connected to the arc-shaped push plate 207 through a fixing rod 208, and the position of the arc-shaped push plate 207 corresponds to the position of the clamping end of the position limiting mechanism 3.

[0020] The position of the central axis of the position limiting mechanism 3 coincides with the position of the central axis of the pressing mechanism 2 .

[0021] The position limiting mechanism 3 includes an H-shaped plate 301, a limiting rod 302, a rotating sleeve 303, a telescopic rod 307, a flip rod 308, a bearing 309, a threaded moving block 310, a screw 311, a sliding rod 312, a first arc-shaped fixed plate 313, a second arc-shaped fixed plate 314 and a connecting frame 315. The H-shaped plate 301 is located on the fixed end of the pressing mechanism 2 and is fixedly connected. Two placement grooves are respectively provided on both sides of the middle longitudinal plate of the H-shaped plate 301, and the two placement grooves are connected by a connecting groove. Two sliding rods 312 are fixedly connected in the placement grooves, and a bearing 309 is fixedly connected in the connecting groove. A screw 311 is fixedly connected to the rotating end of the bearing 309. The upper and lower ends of the screw 311 are respectively threadedly connected with threaded moving blocks 310. The threads at the upper and lower ends of the screw 311 are opposite. The screw 311 can drive the two threaded moving blocks 310 to move inward or outward at the same time. The position of 310 corresponds to the position of the sliding rod 312 and is slidably connected. The threaded moving block 310 is provided with a flip rod 308 that is rotatably connected. The two flip rods 308 are rotatably connected. A rotation groove is provided on the connecting end of the lower flip rod 308 and the upper flip rod 308, and a rotating sleeve 303 is rotatably connected in the rotation groove. The rotating sleeve 303 is fixedly connected to a first arc-shaped fixed plate 313, and the two sides of the first arc-shaped fixed plate 313 are respectively fixedly connected to the telescopic rod 307, and the fixed end of the telescopic rod 307 is located on the H-shaped plate 301 and fixedly connected. The connecting frame 315 is located on the fixed end of the pressing mechanism 2 and is fixedly connected. The connecting frame 315 is connected to the second arc-shaped fixed plate 314 through the limiting rod 302. The position of the second arc-shaped fixed plate 314 corresponds to the position of the first arc-shaped fixed plate 313, and the position of the second arc-shaped fixed plate 314 corresponds to the position of the pressing end of the pressing mechanism 2.

[0022] The H-shaped plate 301 is fixedly connected to a U-shaped frame 304, and a sliding groove is provided on the U-shaped frame 304. A sliding block 305 is slidably connected in the sliding groove. A toggle rod 306 is rotatably connected to the sliding block 305. The bottom end of the toggle rod 306 is slidably connected to the top end of the screw rod 311. A slot is provided at the top end of the screw rod 311. A snap-in block is provided at the bottom end of the toggle rod 306, and the snap-in block is slidably connected to the slot. In the initial position, the position of the slot corresponds to the position of the snap-in block.

[0023] The device for connecting flexible socket ductile iron pipe fittings is described. When in use, the staff will place the ductile iron pipe to be connected between the first arc-shaped fixing plate 313 and the second arc-shaped fixing plate 314, and rotate the screw 311 by the toggle rod 306. The screw 311 drives the two flip rods 308 to bend through the threaded moving block 310. The two flip rods 308 drive the first arc-shaped fixing plate 313 to move during the bending process. The moving trajectory of the first arc-shaped fixing plate 313 is limited by the telescopic rod 307, and the ductile iron pipe is clamped by the first arc-shaped fixing plate 313 and the second arc-shaped fixing plate 314. The staff can adjust the position of the ductile iron pipe according to the needs. The height of the sliding rod 202 is adjusted according to the height of the ductile iron pipe installed, the insertion rod 205 is pulled out, and the sliding rod 202 is pulled. After the position of the sliding rod 202 is adjusted, the insertion rod 205 is reset to fix the position of the sliding rod 202. The staff places the upper ductile iron pipe on the fixed ductile iron pipe, and makes the arc-shaped push plate 207 connect with the ductile iron pipe on the upper side, presses the pressing rod 206, and the arc-shaped push plate 207 is driven downward by the pressing rod 206, and the upper ductile iron pipe is driven downward by the arc-shaped push plate 207, so that the two ductile iron pipes are connected. The lever principle is adopted to save time and effort and improve work efficiency.

[0024] The parts of the present invention that are not described in detail are prior art. Although the present invention is specifically demonstrated and introduced in conjunction with the preferred implementation scheme, there are many methods and ways to implement the technical solution. The above is only a preferred implementation scheme of the present invention. However, technical personnel in the relevant field should understand that various changes can be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined in the attached claims, which are all within the scope of protection of the present invention.

Claims

1. A device for connecting flexible socket-end ductile iron pipe fittings, comprising a base (1), characterized in that: A pressing mechanism (2) is installed on the base (1), a position limiting mechanism (3) is installed on the fixed end of the pressing mechanism (2), and the position of the clamping end of the position limiting mechanism (3) corresponds to the position of the pressing end of the pressing mechanism (2).

2. The device for connecting flexible socket-end ductile iron pipe fittings according to claim 1, characterized in that: The position of the central axis of the pressing mechanism (2) coincides with the position of the central axis of the base (1).

3. The device for connecting flexible socket-end ductile iron pipe fittings according to claim 1, characterized in that: The pressing mechanism (2) comprises a sliding frame (201), a sliding rod (202), a sleeve (203), a positioning rod (204), an insertion rod (205), a pressing rod (206), an arc-shaped pushing plate (207) and a fixing rod (208); the sliding frames (201) are provided in two groups, each group of sliding frames (201) is provided with two sliding frames, and both groups of sliding frames (201) are located on the base (1) and are fixedly connected; a position limiting mechanism (3) is installed on the sliding frame (201); equidistantly arranged sockets are provided on the sliding frame (201); and a sliding member (3) is slidably connected inside the sliding frame (201). A movable rod (202), an insertion hole is provided on the sliding rod (202), the position of the insertion hole corresponds to the position of the plug hole, and an insertion rod (205) is slidably connected between the insertion hole and the plug hole, a positioning rod (204) is fixedly connected between the two sliding rods (202), and a sleeve (203) is rotatably connected to the positioning rod (204), a pressing rod (206) is fixedly connected to the sleeve (203), and the pressing rod (206) is connected to an arc-shaped push plate (207) via a fixing rod (208), and the position of the arc-shaped push plate (207) corresponds to the position of the clamping end of the position limiting mechanism (3).

4. The device for connecting flexible socket-end ductile iron pipe fittings according to claim 1, characterized in that: The position of the central axis of the position limiting mechanism (3) coincides with the position of the central axis of the pressing mechanism (2).

5. The device for connecting flexible socket-end ductile iron pipe fittings according to claim 1, characterized in that: The position limiting mechanism (3) comprises an H-shaped plate (301), a limiting rod (302), a rotating sleeve (303), a telescopic rod (307), a tilting rod (308), a bearing (309), a threaded moving block (310), a screw rod (311), a sliding rod (312), a first arc-shaped fixed plate (313), a second arc-shaped fixed plate (314) and a connecting frame (315), wherein the H-shaped plate (301) is located on a fixed end of the pressing mechanism (2) and is fixedly connected thereto, and the H-shaped plate (301) is fixedly connected to the pressing mechanism (2). 01) Two placement grooves are respectively provided on both sides of the middle longitudinal plate, and the two placement grooves are connected by a connecting groove, two sliding rods (312) are fixedly connected in the placement groove, a bearing (309) is fixedly connected in the connecting groove, a screw (311) is fixedly connected on the rotating end of the bearing (309), and a threaded moving block (310) is threadedly connected on the upper and lower ends of the screw (311), the position of the threaded moving block (310) corresponds to the position of the sliding rod (312) and is slidably connected, a flip rod (308) is rotatably connected on the threaded moving block (310), the two flip rods (308) are rotatably connected, a rotating groove is provided on the connecting end of the lower flip rod (308) and the upper flip rod (308), and a rotating sleeve (303) is rotatably connected in the rotating groove, a first arc-shaped fixed plate (313) is fixedly connected to the rotating sleeve (303), and telescopic rods (307) are fixedly connected on both sides of the first arc-shaped fixed plate (313), and The fixed end of the telescopic rod (307) is located on the H-shaped plate (301) and is fixedly connected, the connecting frame (315) is located on the fixed end of the pressing mechanism (2) and is fixedly connected, the connecting frame (315) is connected to the second arc-shaped fixing plate (314) via a limiting rod (302), the position of the second arc-shaped fixing plate (314) corresponds to the position of the first arc-shaped fixing plate (313), and the position of the second arc-shaped fixing plate (314) corresponds to the position of the pressing end of the pressing mechanism (2).

6. The device for connecting flexible socket-end ductile iron pipe fittings according to claim 5, characterized in that: The H-shaped plate (301) is fixedly connected to a U-shaped frame (304), the U-shaped frame (304) is provided with a sliding groove, a sliding block (305) is slidably connected in the sliding groove, a toggle rod (306) is rotatably connected to the sliding block (305), and the bottom end of the toggle rod (306) is slidably connected to the top end of the screw rod (311).

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