Groove reducing pipe clamp

Abstract

The utility model relates to the technical field of groove pipe clamps, in particular to a groove variable-diameter pipe clamp which comprises a connecting assembly, the connecting assembly comprises two half cylinders which are symmetrically and detachably connected, the two half cylinders are symmetrically arranged between a first pipeline and a second pipeline, and fixing half rings are arranged at one ends of the interiors of the half cylinders. The first pipeline is provided with a first groove matched with the fixed semi-ring, the other ends of the interiors of the semi-cylinders are elastically connected with movable semi-rings, a sealing piece is arranged between the fixed semi-ring and the movable semi-ring in one semi-cylinder, the sealing piece comprises a fixing piece connected to the semi-cylinder, and the end, close to the second pipeline, of the fixing piece is connected with a limiting cylinder. The end, close to the second pipeline, outside the limiting barrel is in threaded connection with the second pipeline, and sealing gaskets are arranged at the end, close to the first pipeline, of the limiting barrel and the end, close to the second pipeline, of the limiting barrel. Therefore, on the premise that the tightness of connection of the two pipelines is guaranteed, the connection steps are simplified, the installation time is shortened, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of groove pipe clamps, in particular to a groove reducer pipe clamp. Background Art

[0002] Grooved pipe fittings are a new type of pipe connection fittings, also called clamps. Grooved pipe fitting connection technology is also called clamp connection technology. It has become the preferred technology for current liquid and gas pipeline connections. The application of grooved pipe fitting connection technology makes the complex pipeline connection process simple, fast and convenient. When the diameters of the two connected pipes are different, groove reducer clamps are required.

[0003] At present, the existing groove reducer pipe clamp, such as the Chinese patent with publication number CN213954632U, discloses a pipeline telescopic reducer connection assembly, including an A groove pipe main pipe section, one end of the A groove pipe main pipe section is fixedly sealed and connected with one end of the B groove pipe main pipe section using a main pipe clamp and a main pipe clamp sealing rubber ring, and the other end of the B groove pipe main pipe section is fixedly sealed and connected with the groove connection pipe using a B reducer pipe clamp and a B reducer rubber ring, one end of the telescopic connection pipe section has an annular protruding ring on the outer surface, and the telescopic connection pipe section is installed in the A groove with a sliding clearance fit using the end of the telescopic connection pipe section having the annular protruding ring on the outer surface In the cavity at the other end of the main pipe section of the pipeline, the A reducer pipe clamp includes an upper half tile and a lower half tile. The upper half tile has two sides of an inner surface provided with a portion that is inserted into the groove at the other end of the main pipe section of the A groove and a portion that slides with the gap on the outer surface of the telescopic connection pipe section, and a concave sealing ring warehouse portion is arranged in the middle. The lower half tile has two sides of an inner surface provided with a portion that is inserted into the groove at the other end of the main pipe section of the A groove and a portion that slides with the gap on the outer surface of the telescopic connection pipe section, and a concave sealing ring warehouse portion is arranged in the middle. It conveniently realizes a sealed connection and improves the efficiency of pipeline connection. However, the above-mentioned device has a complex structure and is inconvenient to use.

[0004] How to simplify the connection steps, reduce installation time and improve installation efficiency while ensuring the tightness of the connection between the two pipes has become a technical problem that needs to be broken through.

[0005] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0006] In view of the above-mentioned defects, the purpose of the utility model is to provide a groove reducer pipe clamp, which has a simple structure and is easy to use. It can simplify the connection steps, reduce installation time and improve installation efficiency while ensuring the tightness of the connection between the two pipes.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a groove reducer pipe clamp, including a connecting assembly, wherein the connecting assembly includes two half-cylinders that are symmetrically and detachably connected, and the two half-cylinders are symmetrically arranged between a first pipe and a second pipe, and one end of the half-cylinder is provided with a fixed half-ring, and the first pipe is provided with a first groove that cooperates with the fixed half-ring, and the other end of the half-cylinder is elastically connected with a movable half-ring, and the second pipe is provided with a second groove that cooperates with the movable half-ring, and a seal is provided between the fixed half-ring and the movable half-ring inside one of the half-cylinders.

[0008] The sealing member comprises a fixing plate connected to the half-cylinder, wherein one end of the fixing plate close to the second pipe is connected to a limiting cylinder, one end of the outer portion of the limiting cylinder close to the second pipe is threadedly connected to the second pipe, and sealing gaskets are provided at one end of the limiting cylinder close to the first pipe and one end of the limiting cylinder close to the second pipe.

[0009] According to the groove reducer pipe clamp of the utility model, an insert block is provided at one end of the movable half ring close to the half cylinder, a slot matching the insert block is provided in the half cylinder, the insert block is slidably arranged in the slot, and an elastic member is provided between the insert block and the slot.

[0010] According to the groove reducer pipe clamp of the utility model, the elastic member is a spring.

[0011] According to the groove reducer pipe clamp of the utility model, the two half-tubes are symmetrically provided with fixing blocks that match each other, and a connecting piece is threadedly penetrated between the two fixing blocks located on the same side.

[0012] According to the groove reducer pipe clamp of the utility model, the connecting piece is a bolt.

[0013] According to the groove reducer pipe clamp of the utility model, a pull block is provided at one end of one movable half ring away from the fixed block.

[0014] The purpose of the utility model is to provide a groove reducer pipe clamp, including a fixed half ring and a movable half ring. The fixed half ring, the movable half ring and the sealing member cooperate with each other, which can simplify the connection steps, reduce the installation time and improve the installation efficiency under the premise of ensuring the tightness of the connection between the two pipes; a pull block is provided at one end of the movable half ring away from the fixed block, which is convenient for the operator to pull the movable half ring; the movable half ring is elastically connected to the half cylinder, which is convenient for the second pipe to be threadedly connected to the limiting cylinder. In summary, the beneficial effects of the utility model are: it can simplify the connection steps, reduce the installation time and improve the installation efficiency under the premise of ensuring the tightness of the connection between the two pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the structural diagram of the utility model;

[0016] Figure 2It is a longitudinal cross-sectional view of the seal;

[0017] Figure 3 This is the structural diagram of the seal;

[0018] In the figure: 1-first pipeline, 2-second pipeline, 3-connecting assembly, 31-half cylinder, 311-fixed block, 312-connecting piece, 32-fixed half ring, 33-movable half ring, 34-sealing piece, 341-fixed plate, 342-limiting cylinder, 343-sealing pad, 4-elastic piece, 5-pull block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "provided with", "sleeved / connected", "connected", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0022] See also Figure 1 to Figure 3 The utility model provides a groove reducer pipe clamp, including a connecting assembly 3, the connecting assembly 3 includes symmetrically arranged half cylinders 31, when connected, the two half cylinders 31 are symmetrically buckled between the first pipe 1 and the second pipe 2 (see Figure 2), the two half cylinders 31 are symmetrically provided with fixed blocks 311 that cooperate with each other, and a connecting piece 312 is threadedly penetrated between the two fixed blocks 311 located on the same side, and the two half cylinders 31 can be fixed by using the connecting piece 312, and a fixed half ring 32 is provided at one end inside the half cylinder 31, and a first groove that cooperates with the fixed half ring 32 is provided on the first pipe 1, and a movable half ring 33 is elastically connected at the other end inside the half cylinder 31 (the movable half ring 33 is provided with an insert block at one end close to the half cylinder 31, and a slot that cooperates with the insert block is provided in the half cylinder 31, and the insert block is slidably arranged in the slot, and an elastic member 4 is provided between the insert block and the slot), and a second groove that cooperates with the movable half ring 33 is provided on the second pipe 2, and a sealing member 34 is provided between the fixed half ring 32 and the movable half ring 33 inside one of the half cylinders 31.

[0023] See also Figure 1 to Figure 3 Preferably, a pull block 5 is provided at one end of one of the movable half rings 33 away from the fixed block 311 to facilitate the operator to pull the movable half ring 33.

[0024] See also Figure 1 to Figure 3 Preferably, the connecting member 312 is a bolt to ensure that the two half cylinders 31 are tightly connected.

[0025] See also Figure 1 to Figure 3 Preferably, the elastic member 4 is a spring to provide return power.

[0026] See also Figure 1 to Figure 3 The sealing member 34 includes a fixing plate 341 connected to the half-cylinder 31, an end of the fixing plate 341 close to the second pipe 2 is connected to a limiting cylinder 342, an end of the outer portion of the limiting cylinder 342 close to the second pipe 2 is threadedly connected to the second pipe 2, and a sealing gasket 343 is provided at both an end of the limiting cylinder 342 close to the first pipe 1 and an end of the limiting cylinder 342 close to the second pipe 2.

[0027] See also Figure 1 to Figure 3 Preferably, the sealing gasket 343 is a sealing gasket with a certain deformation ability, such as a rubber sealing ring, to improve the sealing between the first pipe 1 and the second pipe 2.

[0028] See also Figure 1 to Figure 3First, separate the two half-cylinders 31, lock the first groove of the first pipe 1 with the fixed half ring 32 of the half-cylinder 31 without the pull block 5, then pull the movable half ring 33 of this half-cylinder 31 to the side away from the first pipe 1, so that the second groove of the second pipe 2 is locked with the movable half ring 33 of this half-cylinder 31, then pull the second pipe 2 to the side close to the first pipe 1, and thread the second pipe 2 to the limiting cylinder 342, finally, the other half-cylinder 31 (the half-cylinder 31 with the pull block 5) is abutted against this half-cylinder 31 (if there is some misalignment at the movable half ring 33 of the other half-cylinder 31, the pull block 5 can be pulled to adjust), and finally use the connecting piece 312 to fix the two half-cylinders 31 to complete the installation.

[0029] The utility model provides a groove reducer pipe clamp, including a fixed half ring and a movable half ring. The fixed half ring, the movable half ring and the sealing member cooperate with each other, which can simplify the connection steps, reduce the installation time and improve the installation efficiency under the premise of ensuring the tightness of the connection between the two pipes; a pull block is provided at one end of the movable half ring away from the fixed block, which is convenient for the operator to pull the movable half ring; the movable half ring is elastically connected to the half cylinder, which is convenient for the second pipe to be threadedly connected to the limit cylinder. In summary, the beneficial effects of the utility model are: it can simplify the connection steps, reduce the installation time and improve the installation efficiency under the premise of ensuring the tightness of the connection between the two pipes.

[0030] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A groove reducer pipe clamp, characterized in that: The connecting assembly comprises two half-cylinders which are symmetrically and detachably connected, and the two half-cylinders are symmetrically arranged between the first pipe and the second pipe; A fixed half ring is provided at one end of the half cylinder, a first groove matching the fixed half ring is provided on the first pipe, a movable half ring is elastically connected to the other end of the half cylinder, a second groove matching the movable half ring is provided on the second pipe, and a sealing member is provided between the fixed half ring and the movable half ring in one of the half cylinders; The sealing member comprises a fixing plate connected to the half-cylinder, wherein one end of the fixing plate close to the second pipe is connected to a limiting cylinder, one end of the outer portion of the limiting cylinder close to the second pipe is threadedly connected to the second pipe, and sealing gaskets are provided at one end of the limiting cylinder close to the first pipe and one end of the limiting cylinder close to the second pipe.

2. The groove reducer pipe clamp according to claim 1, characterized in that: The movable half ring is provided with an insert block at one end close to the half cylinder, the half cylinder is provided with a slot matched with the insert block, the insert block is slidably arranged in the slot, and an elastic piece is provided between the insert block and the slot.

3. The groove reducer pipe clamp according to claim 2, characterized in that: The elastic member is a spring.

4. The groove reducer pipe clamp according to claim 1, characterized in that: The two half cylinders are symmetrically provided with fixing blocks that cooperate with each other, and a connecting piece is threadedly penetrated between the two fixing blocks located on the same side.

5. The groove reducer pipe clamp according to claim 4, characterized in that: The connecting piece is a bolt.

6. The groove reducer pipe clamp according to claim 1, characterized in that: A pulling block is arranged at one end of one of the movable half rings away from the fixed block.

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