Threaded ferrule type flange

Abstract

The utility model provides a threaded ferrule type flange, which belongs to the field of flanges and comprises a connecting pipe and mounting pipes positioned at two ends of the connecting pipe. The flange structure is used for connecting the connecting pipe and the mounting pipe; the flange structure comprises flange plates and a threaded pipe connected with the connecting pipe and the mounting pipe, a clamping groove is formed in the mounting sleeve, a clamping rod arranged in a sliding mode is arranged on the connecting sleeve in a penetrating mode, and when the clamping rod is connected into the clamping groove in a sliding mode, the flange plates on the connecting pipe and the mounting pipe directly face each other, and the two flange plates are connected through a connecting piece. When the flange plates move in place, the clamping rods directly face the clamping grooves at the moment, the clamping rods are clamped into the clamping grooves under the action of the springs, the flange plates are installed, looseness between the flange plates and the threaded pipe can be avoided, installation is more stable, the flange plates on the connecting pipe and the installation pipe are installed in place, and installation holes in the two flange plates directly face each other, so that installation is more stable. Adjustment is not needed, and installation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field especially, a threaded sleeve type flange. BACKGROUND

[0002] Threaded flange is the inner hole of flange is processed into pipe thread, and is connected with threaded pipe thread, is a kind of non-welding flange, compared with welding flange, it has the characteristics of convenient installation and maintenance, can be used in some occasions not allowed to weld, but it is not recommended to use in the occasion of temperature height 260 ℃, below-45 ℃, to avoid leakage.

[0003] Threaded flange needs to be adjusted for several times after being connected with connecting pipe thread, there is misalignment between the flange plate 4 on the connecting pipe 1 and the through hole on the flange plate 4 on the mounting pipe 2, so the flange plate 4 needs to be adjusted, the adjustment mode is to rotate the flange plate 4, so there is the situation that the flange plate 4 is loose or over-tightened with the connecting pipe 1 and the mounting pipe 2, over-tightening has large resistance and is inconvenient to adjust, and loose has the possibility of leakage, for this purpose, the application provides a threaded sleeve type flange. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model provides a threaded sleeve type flange.

[0005] The embodiment of the utility model provides a threaded sleeve type flange, which comprises:

[0006] Connecting pipe and mounting pipe located at both ends of connecting pipe;

[0007] Flange structure for connecting connecting pipe and mounting pipe;The flange structure comprises flange plate and threaded pipe connected with connecting pipe and mounting pipe, the outer part of connecting pipe and mounting pipe is fixedly provided with connecting sleeve, the flange plate is fixedly provided with mounting sleeve capable of sliding on the inner wall of connecting sleeve, the inner wall of mounting sleeve is provided with internal thread matched with threaded pipe, the mounting sleeve is provided with clamping groove, the connecting sleeve is provided with slidingly arranged clamping rod, when the clamping rod is slidingly connected in the clamping groove, the flange plates on the connecting pipe and the mounting pipe are opposite and the two flange plates are connected through connecting piece.

[0008] Further, the connecting sleeve comprises connecting ring welded and fixed on connecting pipe and mounting pipe, the connecting ring is fixedly connected with fixing ring in axial direction, the inner wall of mounting sleeve and fixing ring is slidingly abutted.

[0009] Further, the flange plate and mounting sleeve are integrally casted and formed, and the flange plate and mounting sleeve are coaxially arranged.

[0010] Further, the mounting sleeve is provided with sealing ring at the end away from connecting pipe, and the sealing ring can abut against the connecting sleeve.

[0011] Furthermore, a pull block is fixedly connected to the lever, a spring is fixedly connected to the pull block, and the spring is fixedly connected to the connecting sleeve.

[0012] Furthermore, the connector includes bolts and nuts, the bolts passing through the flanges and the external engagement of the nuts securing the two flanges together.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] When the flange is moved into place, the locking rod and the locking groove are aligned. Under the action of the spring, the locking rod is locked into the locking groove, completing the installation of the flange. This also prevents the flange from loosening between the flange and the threaded pipe, making the installation more stable. The flanges on the connecting pipe and the mounting pipe are all installed in place, and the mounting holes on the two flanges are aligned. Thus, no adjustment is required, making the installation more convenient. Attached Figure Description

[0015] Fig. 1 This is a schematic diagram of the structure of a threaded compression fitting flange as described in an embodiment of this utility model.

[0016] Fig. 2 This is a schematic diagram of the flange structure in a threaded compression fitting flange as described in an embodiment of this utility model.

[0017] Fig. 3 This is a schematic diagram showing the separation of the threaded pipe and the mounting sleeve in a threaded compression fitting flange as described in this embodiment of the utility model.

[0018] In the above attached figures: 1 connecting pipe, 2 mounting pipe, 3 flange structure, 4 flange, 5 bolt, 6 nut, 7 connecting sleeve, 8 mounting sleeve, 9 threaded pipe, 10 slot, 11 internal thread, 12 sealing ring, 13 pull block, 14 spring, 15 clamping rod. Detailed Implementation

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0020] like Figs. 1-3 As shown, this utility model embodiment proposes a threaded compression fitting flange, comprising:

[0021] Connecting pipe 1 and mounting pipes 2 located at both ends of connecting pipe 1;

[0022] The flange structure 3 is used for connecting the connecting pipe 1 and the mounting pipe 2, and comprises a flange plate 4 and a threaded pipe 9 connected with the connecting pipe 1 and the mounting pipe 2, the threaded pipe 9 being integrally formed with the connecting pipe 1 and the mounting pipe 2, so that the whole is more stable; the connecting pipe 1 and the mounting pipe 2 are externally fixed with a connecting sleeve 7, the connecting sleeve 7 comprises a connecting ring welded and fixed on the connecting pipe 1 and the mounting pipe 2, and a fixing ring is fixedly connected with the connecting ring in the axial direction, and a mounting sleeve 8 is in sliding abutment with the inner wall of the fixing ring.

[0023] The mounting sleeve 8 is fixedly installed on the flange plate 4 and can slide in the inner wall of the connecting sleeve 7, the flange plate 4 and the mounting sleeve 8 are integrally cast, and the flange plate 4 and the mounting sleeve 8 are coaxially arranged; the inner wall of the mounting sleeve 8 is provided with an internal thread 11 matched with the threaded pipe 9, and the threaded pipe 9 is in threaded engagement with the internal thread 11, so that the connecting pipe 1 and the mounting pipe 2 can be mounted on the flange plate 4.

[0024] In order to increase the sealing between the connecting pipe 1, the mounting pipe 2 and the flange plate 4, a sealing ring 12 is mounted on the end of the mounting sleeve 8 away from the connecting pipe 1, and the sealing ring 12 can abut against the connecting sleeve 7, at this time, the sealing ring 12 is extruded, so that the sealing between the connecting pipe 1, the mounting pipe 2 and the flange plate 4 can be ensured.

[0025] The mounting sleeve 8 is provided with a clamping groove 10, the connecting sleeve 7 is provided with a slidingly arranged clamping rod 15 penetrating through the connecting sleeve 7, the clamping rod 15 is fixedly connected with a pulling block 13, the pulling block 13 is fixedly connected with a spring 14, and the spring 14 is fixedly connected with the connecting sleeve 7, when the clamping rod 15 is slidingly connected in the clamping groove 10, the flange plate 4 on the connecting pipe 1 and the mounting pipe 2 is opposite.

[0026] During installation, the worker threadedly engages the threaded pipe 9 in the internal thread 11, at this time, the mounting sleeve 8 is located in the connecting sleeve 7, then the worker pulls the pulling block 13 to drive the clamping rod 15, so that the clamping rod 15 does not interfere with the movement of the mounting sleeve 8, the worker releases the pulling block 13, the pulling block 13 and the clamping rod 15 are reset under the action of the spring 14, at this time, the clamping rod 15 abuts against the outer wall of the mounting sleeve 8 and cannot move, the worker rotates the flange plate 4, the flange plate 4 rotates and moves on the threaded pipe 9, when the flange plate 4 is moved to the position, the clamping rod 15 is opposite to the clamping groove 10, the clamping rod 15 is clamped in the clamping groove 10 under the action of the spring 14, the installation of the flange plate 4 is completed, and the loosening between the flange plate 4 and the threaded pipe 9 can be avoided, so that the installation is more stable.

[0027] The flange plates 4 on the connecting pipe 1 and the mounting pipe 2 are both installed in place (the rotation angle is fixed and stopped), the mounting holes on the two flange plates 4 are opposite, so that adjustment is not needed, and the installation is more convenient.

[0028] The flanges 4 on the connecting pipe 1 and the mounting pipe 2 are opposite and the two flanges are connected through a connecting piece, the connecting piece comprises a bolt 5 and a nut 6, the bolt 5 penetrates through the flanges 4 and externally engages the nut to fix the two flanges 4 together, a sealing gasket can be installed between the two flanges 4 to ensure the sealing between the two.

[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A threaded collar type flange characterized by, include: Connecting pipe (1) and mounting pipes (2) located at both ends of connecting pipe (1); A flange structure (3) for connecting the connecting pipe (1) and the installation pipe (2); the flange structure (3) includes a flange (4) and a threaded pipe (9) connected to the connecting pipe (1) and the installation pipe (2). A connecting sleeve (7) is fixed to the outside of the connecting pipe (1) and the installation pipe (2). An installation sleeve (8) that can slide on the inner wall of the connecting sleeve (7) is fixedly installed through the flange (4). The inner wall of the installation sleeve (8) is provided with an internal thread (11) for use with the threaded pipe (9). A groove (10) is provided on the installation sleeve (8). A sliding clamp (15) is provided through the connecting sleeve (7). When the clamp (15) is slidably connected in the groove (10), the flanges (4) on the connecting pipe (1) and the installation pipe (2) are facing each other and the two flanges (4) are connected by a connector.

2. A threaded bushing flange according to claim 1, wherein, in: The connecting sleeve (7) includes a connecting ring welded and fixed on the connecting pipe (1) and the mounting pipe (2). A fixing ring is fixedly connected to the connecting ring along the axial direction. The mounting sleeve (8) slides against the inner wall of the fixing ring.

3. A threaded bushing flange according to claim 1 wherein, in: The flange (4) and the mounting sleeve (8) are integrally cast and are coaxially arranged.

4. A threaded bushing flange as defined in claim 1 wherein, in: The mounting sleeve (8) is equipped with a sealing ring (12) at the end away from the connecting pipe (1), and the sealing ring (12) can abut against the connecting sleeve (7).

5. A threaded bushing flange as defined in claim 1 wherein, in: A pull block (13) is fixedly connected to the lever (15), and a spring (14) is fixedly connected to the pull block (13). The spring (14) is fixedly connected to the connecting sleeve (7).

6. A threaded bushing flange as defined in claim 1 wherein, in: The connector includes a bolt (5) and a nut (6), the bolt (5) passing through the flange (4) and the externally engaging nut (6) securing the two flanges (4) together.

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