Plug-and-play orifice plate flowmeter

Abstract

A plug-in orifice plate flowmeter is characterized by comprising an orifice plate flowmeter body, a connecting plate is fixedly arranged on the orifice plate flowmeter body, a fixing hole is formed in the connecting plate, a fixing rod is arranged in the fixing hole, and a wedge block is arranged on the fixing rod; a second pipeline is aligned with a connecting plate of an orifice plate flowmeter body, a first pipeline is attached to the orifice plate flowmeter body, the first pipeline is rotated, a fixing rod is connected and fastened with the first pipeline, then three limiting blocks of an adjusting plate are placed in sliding grooves, the limiting blocks abut against the fixing rod, and the position of the fixing rod is kept still; the adjusting plate is connected with the first pipeline through the lock catch, the orifice plate flowmeter body is connected with the pipelines, the two pipelines can be fixed to the orifice plate flowmeter body only by installing the nut on the pipeline at one end without locking and inserting and rotating the other pipeline, operation is convenient, and working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of orifice plate flowmeters, in particular to a plug-in orifice plate flowmeter. Background Art

[0002] The orifice flowmeter is a high range ratio differential pressure flow device that combines a standard orifice plate with a multi-parameter differential pressure transmitter or a differential pressure transmitter, a temperature transmitter and a pressure transmitter. It can measure the flow of gas, steam, liquid and lead, and is widely used in process control and measurement in the fields of petroleum, chemical industry, metallurgy, electricity, heating, water supply, etc. The throttling device is also called a differential pressure flowmeter, which consists of a primary detection part, a throttling part, and a secondary device, a differential pressure transmitter and a flow display. It is widely used in gas, steam and liquid flow measurement. It has a simple structure, easy maintenance and stable performance;

[0003] However, the existing orifice flowmeter still needs to use bolts to install two sections of pipes at both ends of the orifice flowmeter for use. Such operation is cumbersome and inefficient. In order to solve the above problems, a plug-in orifice flowmeter is proposed. Utility Model Content

[0004] According to the above existing technical problems, the utility model provides a plug-in orifice flowmeter, which is characterized by comprising an orifice flowmeter body, a connecting plate, a fixing hole, a fixing rod, a wedge block, a first pipeline, a movable groove, a clamping block, an adjustment plate, a limit block, a lock buckle, and a second pipeline. The connecting plate is fixedly arranged on the orifice flowmeter body, a fixing hole is arranged on the connecting plate, a fixing rod is arranged in the fixing hole, a wedge block is arranged on the fixing rod, a first pipeline is arranged on the outer side of the connecting plate, an movable groove is arranged on the first pipeline, a clamping block is arranged in the movable groove, an adjustment plate is sleeved on the first pipeline, a limit block is arranged on the adjustment plate, a lock buckle is arranged on the adjustment plate, and a second pipeline is arranged on the outer side of the connecting plate;

[0005] Furthermore, there are two connecting plates, which are respectively located on the two sides of the orifice flowmeter body, each connecting plate has three fixing holes, the fixing holes on the two connecting plates are located in corresponding positions, and a fixing rod is arranged in each of the two opposite fixing holes, one end of the fixing rod is threaded, and the other end is fixedly provided with a wedge block;

[0006] Furthermore, three movable grooves are arranged on the side wall of the first pipe, and the positions of the three movable grooves correspond to the positions of the three fixed rods. A clamping block is fixed in each movable groove, and the clamping block is wedge-shaped, and the inclined surface direction of the clamping block is opposite to the inclined surface direction of the wedge-shaped block;

[0007] Furthermore, three limit blocks are fixedly arranged on the adjustment plate, and the three limit blocks correspond to the positions of the three sliding slots. The adjustment plate has a plurality of lock buckles, and is connected to the first pipe through the lock buckles.

[0008] Furthermore, the second pipeline is located at the other side of the orifice flowmeter body, and the second pipeline is connected to the orifice flowmeter body through a nut and a threaded end of the fixing rod.

[0009] Beneficial effects of the utility model:

[0010] The utility model aligns the second pipeline with a connecting plate of the orifice flowmeter body, inserts the fixing rod from the fixing hole of the connecting plate at the other end, passes through the second pipeline, is threadedly connected with the fixing rod through a nut, connects the second pipeline with the orifice flowmeter body, aligns the movable groove of the first pipeline with the wedge block on the fixing rod, and the first pipeline is attached to the orifice flowmeter body, and the first pipeline is rotated. At this time, the wedge block contacts and is subjected to force with the inclined surface of the clamping block, so that the fixing rod is connected and fastened with the first pipeline, and at the same time, the other end of the fixing rod is subjected to force, and the second pipeline is attached to the orifice flowmeter body through the nut, and then the three limiting blocks of the adjusting plate are placed in the sliding groove, and the limiting blocks are against the fixing rod, so that the position of the fixing rod remains unchanged, and then the adjusting plate is connected with the first pipeline through the locking buckle, so as to complete the connection between the orifice flowmeter body and the pipeline. It only needs to install the nut on the pipeline at one end without locking it, and then insert and rotate the other pipeline, so that the two sections of pipeline can be fixed on the orifice flowmeter body, which is convenient to operate and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the overall structure of a plug-in orifice flowmeter of the utility model;

[0012] Figure 2 It is a schematic diagram of the exploded structure of a plug-in orifice flowmeter of the utility model;

[0013] Figure 3 It is a partial structural schematic diagram of a plug-in orifice plate flowmeter of the utility model;

[0014] As shown in the figure: 1 orifice flowmeter body, 2 connecting plate, 3 fixing hole, 4 fixing rod, 5 wedge block, 6 first pipeline, 7 movable groove, 8 clamping block, 9 adjusting plate, 10 limit block, 11 lock, 12 second pipeline. DETAILED DESCRIPTION

[0015] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0017] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0018] Example 1

[0019] The utility model provides a plug-in orifice flowmeter, which is characterized by comprising an orifice flowmeter body 1, a connecting plate 2, a fixing hole 3, a fixing rod 4, a wedge block 5, a first pipeline 6, a movable groove 7, a clamping block 8, an adjusting plate 9, a limit block 10, a lock buckle 11, and a second pipeline 12. The connecting plate 2 is fixedly arranged on the orifice flowmeter body 1, the connecting plate 2 is provided with a fixing hole 3, the fixing rod 4 is arranged in the fixing hole 3, the wedge block 5 is arranged on the fixing rod 4, the first pipeline 6 is arranged outside the connecting plate 2, the movable groove 7 is arranged on the first pipeline 6, the clamping block 8 is arranged in the movable groove 7, the adjusting plate 9 is sleeved on the first pipeline 6, the limit block 10 is arranged on the adjusting plate 9, the lock buckle 11 is arranged on the adjusting plate, and the second pipeline 12 is arranged outside the connecting plate 2;

[0020] Furthermore, there are two connecting plates 2, which are respectively located on the two sides of the orifice flowmeter body 1, and each connecting plate 2 has three fixing holes 3. The fixing holes 3 on the two connecting plates 2 are located in corresponding positions, and a fixing rod 4 is arranged in each of the two opposite fixing holes 3. One end of the fixing rod 4 is threaded, and the other end is fixedly provided with a wedge block 5;

[0021] Furthermore, three movable grooves 7 are provided on the side wall of the first pipe 6, and the positions of the three movable grooves 7 correspond to the positions of the three fixing rods 4. A clamping block 8 is fixed in each movable groove 7, and the clamping block 8 is wedge-shaped, and the inclined surface direction of the clamping block 8 is opposite to the inclined surface direction of the wedge block 5;

[0022] Furthermore, three limit blocks 10 are fixedly arranged on the adjustment plate 9, and the three limit blocks 10 correspond to the positions of the three sliding grooves. The adjustment plate 9 has a plurality of lock buckles 11, and is connected to the first pipe 6 through the lock buckles 11;

[0023] Furthermore, the second pipe 12 is located at the other side of the orifice flowmeter body 1 , and the second pipe 12 is connected to the orifice flowmeter body 1 through a nut and a threaded end of the fixing rod 4 .

[0024] Example 2

[0025] When in use, first align the second pipe 12 with a connecting plate 2 of the orifice flowmeter body 1, insert the fixing rod 4 from the fixing hole 3 of the connecting plate 2 at the other end, and pass through the second pipe 12, and threadedly connect it with the fixing rod 4 through the nut, connect the second pipe 12 with the orifice flowmeter body 1, align the movable groove 7 of the first pipe 6 with the wedge block 5 on the fixing rod 4, and stick the first pipe 6 to the orifice flowmeter body 1, and rotate the first pipe 6. At this time, the wedge block 5 contacts and is subjected to force with the inclined surface of the clamping block 8, so that the fixing rod 4 is connected and tightened with the first pipe 6. At the same time, the other end of the fixing rod 4 is subjected to force, and the second pipe 12 is tightly attached to the orifice flowmeter body 1 through the nut, and then the three limit blocks 10 of the adjusting plate 9 are placed in the sliding groove, and the limit blocks 10 are against the fixing rod 4 to keep the position of the fixing rod 4 unchanged, and then the adjusting plate 9 is connected to the first pipe 6 through the lock buckle 11 to complete the connection between the orifice flowmeter body 1 and the pipeline.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A plug-in orifice flow meter, characterized in that: It includes an orifice flowmeter body, a connecting plate, a fixing hole, a fixing rod, a wedge block, a first pipeline, a movable groove, a clamping block, an adjusting plate, a limit block, a locking buckle, and a second pipeline. The connecting plate is fixedly arranged on the orifice flowmeter body, the connecting plate is provided with a fixing hole, the fixing rod is arranged in the fixing hole, the wedge block is arranged on the fixing rod, the first pipeline is arranged on the outer side of the connecting plate, the movable groove is arranged on the first pipeline, the clamping block is arranged in the movable groove, the adjusting plate is sleeved on the first pipeline, the limit block is arranged on the adjusting plate, the locking buckle is arranged on the adjusting plate, and the second pipeline is arranged on the outer side of the connecting plate.

2. A plug-in orifice flow meter according to claim 1, characterized in that: There are two connecting plates, which are respectively located on the two sides of the orifice flowmeter body. Each connecting plate has three fixing holes. The fixing holes on the two connecting plates are positioned correspondingly. A fixing rod is arranged in each of the two opposite fixing holes. One end of the fixing rod is threaded, and the other end is fixed with a wedge block.

3. A plug-in orifice flow meter according to claim 2, characterized in that: Three movable grooves are arranged on the side wall of the first pipe, and the positions of the three movable grooves correspond to the positions of the three fixed rods. A clamping block is fixed in each movable groove, and the clamping block is wedge-shaped, and the inclined surface direction of the clamping block is opposite to the inclined surface direction of the wedge block.

4. A plug-in orifice flow meter according to claim 3, characterized in that: The adjusting plate is fixedly provided with three limit blocks, the three limit blocks correspond to the positions of the three sliding slots, and the adjusting plate is provided with a plurality of lock buckles, which are connected to the first pipe through the lock buckles.

5. A plug-in orifice flow meter according to claim 4, characterized in that: The second pipeline is located at the other side of the orifice flowmeter body, and the second pipeline is connected to the orifice flowmeter body through a nut and one end of the fixing rod with a thread.

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