Gas roots flowmeter capable of being conveniently connected with gas conveying pipeline

Abstract

The utility model discloses a gas Roots flowmeter convenient to connect with a gas pipeline, which comprises a gas Roots flowmeter and a gas pipeline, the outer end of the gas pipeline is connected with a mounting pipe sleeve through threads, the mounting pipe sleeve is inserted into the inner side surface of the gas Roots flowmeter, the inner side surface of the gas Roots flowmeter is provided with a chute, and the gas Roots flowmeter is connected with the gas pipeline through the chute. The installation pipe sleeve is installed outside the gas pipeline, the installation pipe sleeve is directly connected to the inner side of the end face of the gas roots flowmeter in an inserted and clamped mode in the installation process, abutting supporting and blocking type sealing are achieved after installation, installation and disassembly are convenient and fast, the installation efficiency is high, and the installation efficiency is high. The sealing assembly is simple and low in cost.

Description

Technical Field

[0001] The utility model relates to the field of gas rotary flowmeters, and more specifically to a gas rotary flowmeter which is convenient for connecting to a gas transmission pipeline. Background Art

[0002] Gas rotary flowmeter is an intelligent instrument. At the connection between the existing gas rotary flowmeter and the pipeline, gaps must be avoided and the connection must be firm to prevent gas leakage.

[0003] In its existing technology patents, such as CN208937116U, a new type of gas rotary flowmeter device includes a gas rotary flowmeter, a No. 1 flange, a sealing gasket, a fixing sleeve, and a No. 1 countersunk hole. The lower part of the gas rotary flowmeter has a gas rotary flowmeter connecting pipe, and both ends of the gas rotary flowmeter connecting pipe have No. 1 flanges;

[0004] In the above-mentioned patent, multiple sets of flanges are used for docking, which is too complicated to install and inconvenient to disassemble and assemble. In addition, the sealing mechanism is complicated, the cost is high, and the installation efficiency is low during construction. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a gas impeller flowmeter which is easy to connect to a gas pipeline. A mounting pipe sleeve is installed outside the gas pipeline, which is directly inserted and connected to the inner side of the end face of the gas impeller flowmeter during installation. After installation, it is supported by a butt and has a blocking seal. It is convenient to install and disassemble, has high installation efficiency, simple sealing components and low cost.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A gas impeller flowmeter which is convenient for connecting to a gas pipeline comprises a gas impeller flowmeter and a gas pipeline. The outer end of the gas pipeline is connected to a mounting sleeve by a thread, and the mounting sleeve is inserted into the inner surface of the gas impeller flowmeter. A slide groove is arranged on the inner surface of the gas impeller flowmeter, and a block and a spring are slidably connected in the slide groove. The block is clamped on the inner surface of the outer end of the mounting sleeve. A mounting sleeve is installed outside the gas pipeline and is directly inserted and clamped on the inner side of the end face of the gas impeller flowmeter during installation. After installation, it is supported against support and has a blocking seal. It is convenient to install and disassemble, has high installation efficiency, and has a simple sealing component and low cost.

[0008] Furthermore, the clamping block adopts a corner block structure, and a triangular clamping head structure is arranged at the bottom thereof.

[0009] Furthermore, a pull rod is fixed to the outer end surface of the clamping block, and the pull rod adopts a T-shaped pin structure.

[0010] Furthermore, a triangular groove is formed on the outer surface of the mounting sleeve, and the clamping end of the clamping block is clamped in the triangular groove.

[0011] Furthermore, the spring is pressed on the surface of the clamping block, and the spring is sleeved on the outer surface of the pull rod.

[0012] Furthermore, a rubber sealing ring is installed inside the gas rotary flowmeter, and the rubber sealing ring is attached to the inner surface of the outer end of the mounting sleeve.

[0013] Furthermore, an annular groove is formed at the outer end of the mounting sleeve, and a rubber sealing ring is clamped on the inner surface of the annular groove.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) By installing a mounting sleeve outside the gas transmission pipeline, it is directly inserted into the inner side of the end face of the gas impeller flowmeter during installation. After installation, it is supported against the support and has a blocking seal. It is easy to install and disassemble, has high installation efficiency, simple sealing components, and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a side view of the card block of the utility model;

[0018] Figure 3 This is a top view of the installation sleeve of the utility model;

[0019] Figure 4 It is a right side view of the installation sleeve of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. Gas rotary flowmeter, 2. Gas transmission pipeline, 3. Mounting sleeve, 4. Clamp block, 5. Spring, 6. Pull rod, 7. Triangular clamping groove, 8. Rubber sealing ring, 9. Ring groove. DETAILED DESCRIPTION

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

[0023] Example 1

[0024] See also Figure 1-4A gas rotary flowmeter convenient for connecting to a gas pipeline comprises a gas rotary flowmeter 1 and a gas pipeline 2. The outer end of the gas pipeline 2 is connected with a mounting sleeve 3 through a thread. The mounting sleeve 3 is inserted into the inner surface of the gas rotary flowmeter 1. A slide groove is arranged on the inner surface of the gas rotary flowmeter 1. A clamping block 4 and a spring 5 are slidably connected in the slide groove. The clamping block 4 is clamped on the inner surface of the outer end of the mounting sleeve 3.

[0025] The clamping block 4 adopts an angle block structure, and a triangular clamping head structure is arranged at the bottom thereof. A triangular clamping groove 7 is provided on the outer surface of the mounting sleeve 3. When installing, the mounting sleeve 3 is twisted and installed in the delivery pipe 2, and the two are inserted into the gas rotary flow meter 1 together. The spring 5 drives the clamping end of the clamping block 4 to clamp in the triangular clamping groove 7 for buckling and positioning, and the installation is convenient;

[0026] A pull rod 6 is fixed to the outer end surface of the clamp block 4, a spring 5 is pressed on the surface of the clamp block 4, the spring 5 is sleeved on the outer surface of the pull rod 6, and the pull rod 6 adopts a T-shaped pin structure;

[0027] When disassembling, the clamping block 4 can be pulled out and removed by pulling the pull rod 6 to disengage the triangular clamping groove 7, which is convenient for disassembly;

[0028] After the installation sleeve 3 is inserted, it can be supported, and a rubber sealing ring 8 is filled on the inside of the gas impeller flowmeter 1. The rubber sealing ring 8 fits on the inner surface of the outer end of the installation sleeve 3. An annular groove 9 is provided on the outer end of the installation sleeve 3. The rubber sealing ring 8 is clamped on the inner surface of the annular groove 9. After installation, a blocking seal is formed on the connecting end face, and the rubber sealing ring 8 can be squeezed to seal. The sealing mechanism is simple and the cost is low.

[0029] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A gas rotary flowmeter convenient for connecting to a gas pipeline, comprising a gas rotary flowmeter (1) and a gas pipeline (2), characterized in that: The outer end of the gas transmission pipeline (2) is connected to a mounting sleeve (3) via a thread, and the mounting sleeve (3) is inserted into the inner surface of the gas rotary flowmeter (1). A slide groove is provided on the inner surface of the gas rotary flowmeter (1), and a clamping block (4) and a spring (5) are slidably connected in the slide groove. The clamping block (4) is clamped on the inner surface of the outer end of the mounting sleeve (3).

2. A gas rotary flowmeter convenient for connecting to a gas pipeline according to claim 1, characterized in that: The clamping block (4) adopts a folded angle block structure, and a triangular clamping head structure is arranged at the bottom thereof.

3. A gas rotary flowmeter convenient for connecting to a gas pipeline according to claim 1, characterized in that: A pull rod (6) is fixed to the outer end surface of the clamping block (4), and the pull rod (6) adopts a T-shaped pin structure.

4. A gas rotary flowmeter convenient for connecting to a gas pipeline according to claim 1, characterized in that: The outer surface of the installation sleeve (3) is provided with a triangular clamping groove (7), and the clamping end of the clamping block (4) is clamped in the triangular clamping groove (7).

5. A gas rotary flowmeter convenient for connecting to a gas pipeline according to claim 1, characterized in that: The spring (5) is pressed against the surface of the clamping block (4), and the spring (5) is sleeved on the outer surface of the pull rod (6).

6. A gas rotary flowmeter convenient for connecting to a gas pipeline according to claim 1, characterized in that: The gas rotary flow meter (1) is filled with a rubber sealing ring (8) on the inner side, and the rubber sealing ring (8) is fitted on the inner side surface of the outer end of the installation sleeve (3).

7. A gas rotary flowmeter convenient for connecting to a gas pipeline according to claim 1, characterized in that: The outer end of the installation sleeve (3) is provided with an annular groove (9), and the rubber sealing ring (8) is clamped on the inner surface of the annular groove (9).

Images