Reducing joint with flow guide arc

Abstract

The reducing joint with the flow guide arc comprises a joint body and a flow guide arc body which is longitudinally inserted into the joint body in a sliding mode, the two ends of the flow guide arc body are fixedly connected with second rubber pads, and the left end and the right end of the flow guide arc body are fixedly connected with supporting blocks. Grooves corresponding to the supporting blocks are formed in the two sides of the connector body, the ends, away from the flow guide arc body, of the supporting blocks extend into the grooves in a sliding mode, transversely-arranged locking rods are inserted into the inner side walls of the grooves, and the locking rods are in threaded connection with the connector body. A locking groove corresponding to the locking rod is formed in the end, away from the flow guide arc body, of the supporting block, and one end of the locking rod extends into the locking groove in a sliding mode. According to the utility model, the supporting block, the connecting disc and other mechanisms are innovatively arranged, so that not only can the quick disassembly and assembly of the diversion arc be realized, but also the locking and looseness prevention can be effectively realized, the convenience of maintenance and overhaul is improved, and the product practicability is obviously enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of joint, especially to a reducing joint with a flow guide arc. BACKGROUND

[0002] The reducing joint with a flow guide arc is a key component in pipeline connection. It has a large pipe diameter at one end and a small pipe diameter at the other end, and can connect pipelines with different diameters. The flow guide arc inside or on the surface is designed very cleverly. When fluid flows between the large and small pipe diameters, the flow guide arc acts as a thoughtful "guide" to guide the fluid to transition smoothly. In a water supply and drainage system, it can make water flow smoothly from the main pipe to the branch pipe. In an industrial pipeline, it can reduce fluid turbulence and resistance, and reduce energy loss.

[0003] The utility model discloses a reducing joint with a flow guide arc, which is mainly used in the top cover pressure relief drainage pipeline of a water turbine. It can improve the flow state of water in the top cover pressure relief drainage pipeline, reduce the vibration and noise of the pipeline, and greatly reduce the damage caused by cavitation to the pipeline. At the same time, it optimizes the welding structure of the pipeline, which is convenient for construction. The middle part of the reducing joint is a flow guide arc. The flow guide arc has a half pipe on each side. The flow guide arc and the two half pipes are welded as a whole.

[0004] Although the technology involved in the comparative document has many advantages, the flow guide arc is fixed by welding, which makes it difficult to disassemble and maintain the flow guide arc separately. There is still room for improvement in convenience and practicality. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problems in the background technology mentioned above and provides a reducing joint with a flow guide arc.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a take the arc of guiding flow, including the joint body and the arc of guiding flow of longitudinal sliding insertion in it, both ends of arc of guiding flow are fixedly connected with second rubber pad, both ends of arc of guiding flow are fixedly connected with the support piece, both sides of joint body are equipped with the recess corresponding with support piece, the one end of support piece away from arc of guiding flow sliding extension is in recess, the inner side wall of recess inserts with the lock rod of transverse arrangement, lock rod and joint body are the threaded connection between, the one end of support piece away from arc of guiding flow is equipped with the lock groove corresponding with lock rod, the one end of lock rod sliding extension is in lock groove, the other end of lock rod penetrates joint body and is fixedly connected with the vertically arranged connecting disc, the connecting ring of rotation sleeve is connected on connecting disc, the one end of connecting ring is fixedly connected with the outer side wall of joint body, the upper end of connecting disc is equipped with the sliding groove, the inner side wall of sliding groove is fixedly connected with the sliding block of sliding connection, the vertically arranged clamping rod of upper end fixed connection of sliding block, the inner side wall of connecting ring is annularly distributed with a plurality of clamping slot corresponding with clamping rod, the upper end of clamping rod sliding extension is in clamping slot, a plurality of second spring are fixedly connected between sliding block and the bottom of sliding groove, the lower end of sliding block is fixedly connected with the pull rope, the one side of connecting disc away from joint body is equipped with the internal hexagonal groove, the inner top of internal hexagonal groove is equipped with the lateral arrangement of the article groove, the article groove top is equipped with the hollow groove of the communication of sliding groove, the inner side wall of internal hexagonal groove is fixedly connected with the vertically arranged pressing plate of sliding connection, the lower end of pull rope is in turn slidingly penetrates hollow groove and article groove and is fixedly connected with the upper end of pressing plate, the side of pressing plate towards lock rod and internal hexagonal groove inner wall are fixedly connected with a plurality of first spring.

[0008] Preferably, the lock rod is rotatably sleeved with a rubber ring, and the two sides of the rubber ring are respectively abutted with the outer side wall of the joint body and the outer side wall of the connecting disc.

[0009] Preferably, the inner side wall of the recess is fixedly connected with a first rubber pad.

[0010] Preferably, the surface of the support piece is coated with rust-proof paint.

[0011] Preferably, the pull rope is made of nylon material.

[0012] Preferably, the end of the clamping rod away from the sliding block is conically arranged.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model sets up support piece, recess, lock rod, connecting disc, first rubber pad and second rubber pad, can realize the quick disassembly and assembly between arc of guiding flow and joint. Users can conveniently take down arc of guiding flow, maintain and overhaul or replace it, greatly improve convenience and operation efficiency.

[0015] 2. The utility model discloses a structure design of pressing plate, first spring, drawstring, sliding block, second spring, clamping rod and clamping groove, can lock and unlock the connecting disc quickly, prevent the connecting disc loose effectively, the practicality and reliability of product are enhanced obviously.

[0016] 3. The utility model discloses innovatively set up support block, connecting disc and other mechanism, not only can realize the quick disassembly of flow guide arc, but also can lock and prevent loose effectively, improve the convenience of maintenance, and the practicality of product is enhanced obviously. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a structure diagram of a reducing joint with a flow guide arc is provided.

[0018] Figure 2 The utility model discloses an internal structure diagram of a reducing joint with a flow guide arc is provided.

[0019] Figure 3 The utility model discloses a structure diagram of A of a reducing joint with a flow guide arc is provided.

[0020] Figure 4 The utility model discloses a structure diagram of the connecting disc of a reducing joint with a flow guide arc is provided.

[0021] In the drawing: 1-joint body, 2-flow guide arc body, 3-connecting ring, 4-support block, 5-clamping rod, 6-sliding block, 7-second spring, 8-pressing plate, 9-first spring, 10-rubber ring, 11-locking rod, 12-drawstring, 13-first rubber pad, 14-second rubber pad, 15-connecting disc. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] REFERENCE Figures 1-4The utility model provides an eccentric reducer with a flow guide arc, which comprises a connector body 1 and a flow guide arc body 2 slidingly arranged in the connector body 1, wherein the connector body 1 and the flow guide arc body 2 are disclosed in the prior art, and thus will not be described here in detail, the two ends of the flow guide arc body 2 are fixedly connected with second rubber pads 14 for improving the sealing between the flow guide arc body 2 and the inner side wall of the connector body 1, the left and right ends of the flow guide arc body 2 are fixedly connected with support blocks 4 for supporting the flow guide arc body 2, the surface of the support block 4 is coated with rust-proof paint for preventing the support block 4 from rusting to a certain extent, and the two sides of the connector body 1 are provided with grooves corresponding to the support blocks 4, one end of the support block 4 away from the flow guide arc body 2 slidingly extends into the groove, and the inner side wall of the groove is fixedly connected with a first rubber pad 13 for improving the sealing between the support block 4 and the groove;

[0024] In the embodiment, a transversely arranged locking rod 11 is arranged in the inner side wall of the groove for preventing the support block 4 from loosening in cooperation with a locking groove, a rubber ring 10 is rotatably sleeved on the locking rod 11 for improving the sealing between the connecting disc 15 and the connector body 1, the two sides of the rubber ring 10 abut against the outer side wall of the connector body 1 and the outer side wall of the connecting disc 15 respectively, the locking rod 11 is in threaded connection with the connector body 1, one end of the support block 4 away from the flow guide arc body 2 is provided with a locking groove corresponding to the locking rod 11, one end of the locking rod 11 slidingly extends into the locking groove, and the other end of the locking rod 11 penetrates through the connector body 1 and is fixedly connected with a vertically arranged connecting disc 15 for driving the locking rod 11 to rotate;

[0025] In the embodiment, a connecting ring 3 is rotatably sleeved on the connecting disc 15 for arranging a clamping groove to accommodate a clamping rod 5, one end of the connecting ring 3 is fixedly connected with the outer side wall of the connector body 1, the upper end of the connecting disc 15 is provided with a sliding groove, a sliding block 6 is slidingly connected with the inner side wall of the sliding groove for driving the clamping rod 5 to move, the upper end of the sliding block 6 is fixedly connected with a vertically arranged clamping rod 5 for locking the rotating ability of the connecting disc 15 in cooperation with a clamping groove, a plurality of clamping grooves corresponding to the clamping rod 5 are annularly distributed on the inner side wall of the connecting ring 3, the upper end of the clamping rod 5 slidingly extends into the clamping groove, the end of the clamping rod 5 away from the sliding block 6 is taper-shaped for facilitating the clamping rod 5 to be inserted into the clamping groove, and a plurality of second springs 7 are fixedly connected between the sliding block 6 and the inner bottom of the sliding groove for elastically supporting the sliding block 6;

[0026] The lower end of the sliding block 6 is fixedly connected with a pull rope 12 for driving the sliding block 6 to move, the pull rope is made of nylon material for improving the strength, the inner hexagonal groove is provided with a horizontal storage groove on the inner top, the storage groove is provided with a hollow groove communicated with the sliding groove, the inner side wall of the inner hexagonal groove is slidably connected with a vertical pressing plate 8 for driving the pull rope 12 to move, the lower end of the pull rope 12 is slidably penetrated through the hollow groove and the storage groove and is fixedly connected with the upper end of the pressing plate 8, a plurality of first springs 9 are fixedly connected between the side of the pressing plate 8 facing the locking rod 11 and the inner wall of the inner hexagonal groove for elastically supporting the pressing plate 8.

[0027] In the embodiment, first, a manual or electric inner hexagonal wrench is selected and inserted into the inner hexagonal groove, the wrench is inserted into the inner hexagonal groove, the pressing plate 8 is driven to move towards the first spring 9 during the insertion process, the movement of the pressing plate 8 further drives the pull rope 12, the pull rope 12 further drives the sliding block 6 to move downwards, the sliding block 6 drives the clamping rod 5 to move out of the clamping groove, it should be noted that the rotation of the connecting disc 15 is locked when the clamping rod 5 is inserted into the clamping groove, which can prevent the locking rod 11 from loosening, thereby avoiding the loosening of the supporting block 4 and the flow guide arc body 2. When the clamping rod 5 moves out of the clamping groove, the connecting disc 15 is rotated by the wrench, the connecting disc 15 drives the locking rod 11 to rotate, under the thread engagement, the locking rod 11 is withdrawn from the locking groove, at this time, the supporting block 4 is no longer locked in position, the user can directly draw out the flow guide arc body 2 from the joint body 1, which is convenient for maintenance, repair or replacement operation.

[0028] The above, the present application is around "with flow guide arc of reducing joint", the original with flow guide arc reducing joint core lies in having the flow guide arc this characteristic, and the structure of the flow guide arc in the present application is optimized in disassembly, maintenance and replacement and reliability, which belongs to the technical improvement and perfection on the basis of the original technology, and does not deviate from the technical category of "with flow guide arc of reducing joint", the disassembly convenience and reliability of the flow guide arc are improved, only the joint is endowed with better performance and characteristics, still belongs to the product type covered by the name;

[0029] The above, only for the preferable specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present application within the technical range disclosed by the present application makes equivalent replacement or change, should be covered in the protection scope of the present application.

Claims

1. A reducing joint with a flow deflector, comprising a joint body (1) and a flow deflector body (2) longitudinally slidingly inserted therein, characterized in that: The both ends of the flow guide arc body (2) are fixedly connected with second rubber pads (14), the left and right ends of the flow guide arc body (2) are fixedly connected with supporting blocks (4), the both sides of the joint body (1) are provided with grooves corresponding to the supporting blocks (4), one end of the supporting block (4) away from the flow guide arc body (2) extends into the groove in a sliding mode, a transversely arranged locking rod (11) is inserted into the inner side wall of the groove, the locking rod (11) is in threaded connection with the joint body (1), one end of the supporting block (4) away from the flow guide arc body (2) is provided with a locking groove corresponding to the locking rod (11), one end of the locking rod (11) extends into the locking groove in a sliding mode, the other end of the locking rod (11) penetrates through the joint body (1) and is fixedly connected with a vertically arranged connecting disc (15), a connecting ring (3) is rotatably sleeved on the connecting disc (15), one end of the connecting ring (3) is fixedly connected with the outer side wall of the joint body (1), the upper end of the connecting disc (15) is provided with a sliding groove, a sliding block (6) is slidingly connected to the inner side wall of the sliding groove, a vertically arranged clamping rod (5) is fixedly connected to the upper end of the sliding block (6), a plurality of clamping grooves corresponding to the clamping rod (5) are annularly distributed on the inner side wall of the connecting ring (3), the upper end of the clamping rod (5) extends into the clamping groove in a sliding mode, a plurality of second springs (7) are fixedly connected between the sliding block (6) and the bottom of the sliding groove, a pull rope (12) is fixedly connected to the lower end of the sliding block (6), a hexagonal socket is formed on the side of the connecting disc (15) away from the joint body (1), a horizontally arranged storage groove is arranged on the inner top of the hexagonal socket, a hollow groove communicating with the sliding groove is arranged on the inner top of the storage groove, a vertically arranged pressing plate (8) is slidingly connected to the inner side wall of the hexagonal socket, the lower end of the pull rope (12) sequentially slidingly penetrates through the hollow groove and the storage groove and is fixedly connected with the upper end of the pressing plate (8), a plurality of first springs (9) are fixedly connected between the side of the pressing plate (8) facing the locking rod (11) and the inner wall of the hexagonal socket.

2. A reducing joint with a flow guiding arc according to claim 1, characterized in that: A rubber ring (10) is rotatably sleeved on the locking rod (11), and the both sides of the rubber ring (10) abut against the outer side wall of the joint body (1) and the outer side wall of the connecting disc (15) respectively.

3. The reducing coupling with flow directing arc of claim 1, wherein: The inner side wall of the groove is fixedly connected with a first rubber pad (13).

4. The reducing coupling with flow directing arc of claim 1, wherein: The surface of the supporting block (4) is coated with rust-proof paint.

5. The reducing coupling with flow directing arc of claim 1, wherein: The pull rope is made of nylon material.

6. The reducing coupling with flow directing arc of claim 1, wherein: The end of the clamping rod (5) away from the sliding block (6) is conical.

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