A docking structure and a flow meter equipped with the docking structure

Abstract

The present invention relates to the technical field related to flow meters, and specifically to a docking structure, which includes a docking pipe seat, a docking pipe, a connecting piece, a seal, and a limit assembly. The limit assembly is composed of a first connecting ring, a support spring, and a second connecting ring, and a second limit seat is provided on the second connecting ring. By setting a docking structure composed of a docking pipe seat, a docking pipe, a connecting piece, a seal and a limit assembly, and opening docking grooves at both ends of the docking pipe, and arranging the seal in the docking groove, and arranging the limit assembly to be composed of a first connecting ring, a support spring, and a second connecting ring, and arranging a second limit seat on the second connecting ring, and arranging the first limit seat at the port position of the second limit ring, a mutual snapping action is formed between the second limit seat and the first limit seat, thereby effectively improving the docking stability of the docking structure.

Description

Technical Field

[0001] The present invention relates to the technical field related to flow meters, and in particular to a docking structure and a flow meter equipped with the docking structure. Background Art

[0002] A flow meter is an instrument that measures the total amount of fluid flowing through a pipe per unit time. Simply put, it is an instrument used to measure the flow rate of fluid in a pipe or open channel. Flow meters are categorized into differential pressure flow meters, rotor flow meters, throttling flow meters, slit flow meters, positive displacement flow meters, electromagnetic flow meters, and ultrasonic flow meters. They are classified by medium: liquid flow meters and gas flow meters.

[0003] However, the docking structure of a traditional flow meter is relatively simple, and the sealing performance of the docking joint is poor, which affects the actual use stability of the flow meter. Therefore, the present invention proposes a docking structure and a flow meter equipped with the docking structure to solve the above problem. Summary of the Invention

[0004] The object of the present invention is to provide a docking structure and a flowmeter equipped with the docking structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a docking structure, comprising:

[0006] The butt joint socket is a circular tube structure, and both ends of the tube body are provided with butt joint grooves, and the outer side walls at both ends of the butt joint socket are provided with external thread structures, and a positioning seat is integrally formed on the outer side wall of the butt joint socket;

[0007] A butt joint tube, wherein the cross-sectional dimensions of the butt joint tube match the cross-sectional dimensions of the butt joint groove, and when the butt joint tube and the butt joint tube seat are actually butt jointed, the butt joint tube is embedded in the butt joint groove, and a first limiting ring is provided on the side wall of the butt joint tube;

[0008] The connecting piece is a circular tube structure, and a second limiting ring is provided on the inner side wall of one end of the tube body, and an internal thread structure is provided on the inner side wall of the tube body at the other end of the second limiting ring, and a first limiting seat is provided at the port position on one side of the internal thread structure on the second limiting ring;

[0009] A sealing member disposed in a butt joint groove on the butt joint socket;

[0010] The limiting assembly is composed of a first connecting ring, a supporting spring and a second connecting ring, and a second limiting seat is provided on the second connecting ring.

[0011] Preferably, the sealing member is a rubber gasket, and when the butt joint pipe and the butt joint pipe seat are actually butt jointed, the sealing member is in a compressed state.

[0012] Preferably, the internal thread structure and the external thread structure are matched with each other, and the connecting piece is threadedly connected to the butt socket.

[0013] Preferably, the outer diameter of the first limiting ring is greater than the inner diameter of the second limiting ring, and when the connector is actually installed, the first limiting ring and the second limiting ring are offset from each other.

[0014] Preferably, the first connecting ring, support spring and second connecting ring are all movably mounted on the docking pipe seat, the first connecting ring and the second connecting ring are connected by the support spring, and when the docking pipe and the docking pipe seat are actually docked, the support spring is set in a compressed state.

[0015] Preferably, the first limit seat and the second limit seat are both raised structures with a right triangle cross-section, and multiple groups of the first limit seat and the second limit seat are correspondingly arranged, and when the connecting piece is tightened, the cross-sectional hypotenuses of the first limit seat and the second limit seat are arranged facing each other.

[0016] Preferably, a threaded hole is provided on the first connecting ring, and a circular hole is provided on the second connecting ring. The threaded hole and the circular hole are arranged correspondingly, and a positioning screw is screwed into the threaded hole, and the screw rod of the positioning screw is arranged through the circular hole.

[0017] Preferably, a sealing ring is provided at the end of the butt joint pipe, and the sealing ring is an annular raised structure with a semicircular cross-section. When the butt joint pipe and the butt joint pipe seat are actually butt jointed, the sealing ring is embedded in the rubber body of the seal.

[0018] Preferably, the outer contour of the positioning seat is a regular hexagon, and a screw seat is integrally formed on the outer side wall of the connecting piece, and the outer contour size of the screw seat is consistent with the outer contour size of the positioning seat.

[0019] The flow meter has the above-mentioned docking structure, and the flow meter body is connected to the docking socket.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. A docking structure consisting of a docking pipe seat, a docking pipe, a connector, a seal, and a limit assembly is provided. A docking groove is provided at both ends of the docking pipe, and the seal is disposed in the docking groove. The limit assembly is configured to consist of a first connecting ring, a support spring, and a second connecting ring. A second limit seat is provided on the second connecting ring, and a first limit seat is provided at the end position of the second limit ring. Thus, the second limit seat and the first limit seat form a mutual engagement, thereby effectively improving the docking stability of the docking structure.

[0022] 2. By setting a sealing ring at the end of the butt joint pipe, the sealing ring is embedded in the rubber body of the seal when the butt joint pipe and the butt joint pipe seat are butted together, thereby effectively improving the butt joint sealing at the butt joint point position, thereby improving the reliability of the butt joint structure during actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 A half-section view of the present invention;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0026] Figure 4 This is a schematic diagram of the butt joint socket structure of the present invention;

[0027] Figure 5 This is a schematic diagram of the connector structure of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the limit assembly of the present invention;

[0029] Figure 7 This is a schematic diagram of the butt-jointed pipe structure of the present invention;

[0030] Figure 8 for Figure 7 A magnified schematic diagram of the structure at point B in the middle.

[0031] In the figure: pipe seat 1, butt pipe 2, connector 3, seal 4, limit assembly 5, docking groove 6, first limit ring 7, second limit ring 8, internal thread structure 9, first limit seat 10, first connecting ring 11, support spring 12, second connecting ring 13, second limit seat 14, threaded hole 15, round hole 16, positioning screw 17, sealing ring 18, positioning seat 19, screw seat 20, external thread structure 21, flowmeter body 22. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] See also Figure 1-8 The present invention provides a technical solution: a docking structure, the docking structure comprising:

[0034] The butt joint socket 1 is a circular tube structure, and both ends of the tube body are provided with a butt joint groove 6, and the outer side walls of both ends of the butt joint socket 1 are provided with an external thread structure 21, and the outer side wall of the butt joint socket 1 is integrally formed with a positioning seat 19;

[0035] The butt joint pipe 2 has a cross-sectional size that matches the cross-sectional size of the butt joint groove 6. When the butt joint pipe 2 is actually butt jointed with the butt joint pipe seat 1, the butt joint pipe 2 is embedded in the butt joint groove 6, and a first limiting ring 7 is provided on the side wall of the butt joint pipe 2.

[0036] The connector 3 is a circular tube structure, and a second limiting ring 8 is provided on the inner side wall of one end of the tube body, and an internal thread structure 9 is provided on the inner side wall of the tube body at the other end of the second limiting ring 8, and a first limiting seat 10 is provided on the port position on one side of the internal thread structure 9 on the second limiting ring 8;

[0037] The sealing member 4 is arranged in the docking groove 6 on the docking pipe seat 1;

[0038] The limiting component 5 is composed of a first connecting ring 11, a support spring 12 and a second connecting ring 13, and a second limiting seat 14 is provided on the second connecting ring 13. By setting a docking structure composed of a docking pipe seat 1, a docking pipe 2, a connecting member 3, a seal 4 and a limiting component 5, and opening a docking groove 6 at both ends of the docking pipe 2, and setting the seal 4 in the docking groove 6, and setting the limiting component 5 to be composed of a first connecting ring 11, a support spring 12 and a second connecting ring 13, and setting a second limiting seat 14 on the second connecting ring 13, and setting a first limiting seat 10 at the port position of the second limiting ring 8, thereby forming a mutual snap-fitting effect between the second limiting seat 14 and the first limiting seat 10, thereby effectively improving the docking stability of the docking structure.

[0039] The sealing member 4 is a rubber gasket, and when the butt joint pipe 2 and the butt joint pipe seat 1 are actually butted together, the sealing member 4 is in a compressed state;

[0040] The internal thread structure 9 and the external thread structure 21 are matched, and the connecting piece 3 is threadedly connected to the butt joint socket 1;

[0041] The outer diameter of the first limiting ring 7 is greater than the inner diameter of the second limiting ring 8, and when the connector 3 is actually installed, the first limiting ring 7 and the second limiting ring 8 are offset against each other;

[0042] The first connecting ring 11, the supporting spring 12 and the second connecting ring 13 are all movably mounted on the butt joint pipe seat 1. The first connecting ring 11 and the second connecting ring 13 are connected by the supporting spring 12. When the butt joint pipe 2 is actually docked with the butt joint pipe seat 1, the supporting spring 12 is set in a compressed state.

[0043] The first limiting seat 10 and the second limiting seat 14 are both raised structures with a right-angled triangle cross-section. Multiple groups of the first limiting seat 10 and the second limiting seat 14 are provided correspondingly, and when the connector 3 is tightened, the oblique sides of the cross-sections of the first limiting seat 10 and the second limiting seat 14 are arranged facing each other;

[0044] A threaded hole 15 is formed on the first connecting ring 11, and a circular hole 16 is formed on the second connecting ring 13. The threaded hole 15 and the circular hole 16 are arranged correspondingly, and a positioning screw 17 is screwed into the threaded hole 15, and the screw of the positioning screw 17 is arranged through the circular hole 16;

[0045] A sealing ring 18 is provided at the end of the butt joint pipe 2. The sealing ring 18 is a semicircular annular raised structure with a cross section. When the butt joint pipe 2 and the butt joint pipe seat 1 are actually butted together, the sealing ring 18 is embedded in the rubber body of the seal 4. By providing the sealing ring 18 at the end of the butt joint pipe 2, when the butt joint pipe 2 and the butt joint pipe seat 1 are butt jointed, the sealing ring 18 is embedded in the rubber body of the seal 4, thereby effectively improving the butt joint sealing performance at the butt joint point position, thereby improving the reliability of the butt joint structure during actual use.

[0046] The outer contour of the positioning seat 19 is a regular hexagon, and a screw seat 20 is integrally formed on the outer wall of the connecting member 3. The outer contour size of the screw seat 20 is consistent with the outer contour size of the positioning seat 19, thereby improving the convenience of disassembly and assembly of the connecting member 3;

[0047] The flow meter has the above-mentioned docking structure, and the flow meter body 22 is connected to the docking socket 1;

[0048] Working principle: By setting up a docking structure composed of a docking pipe seat 1, a docking pipe 2, a connector 3, a seal 4 and a limit assembly 5, and opening docking grooves 6 at both ends of the docking pipe 2, and setting the seal 4 in the docking groove 6, and setting the limit assembly 5 to be composed of a first connecting ring 11, a support spring 12 and a second connecting ring 13, and setting a second limit seat 14 on the second connecting ring 13, and setting a first limit seat 10 at the port position of the second limit ring 8, so that a mutual engagement is formed between the second limit seat 14 and the first limit seat 10, thereby effectively improving the docking stability of the docking structure, and through By setting a sealing ring 18 at the end of the docking pipe 2, the sealing ring 18 is embedded in the rubber body of the seal 4 when the docking pipe 2 is docked with the docking pipe seat 1, thereby effectively improving the docking sealing at the docking point position, thereby improving the reliability of the docking structure during actual use. In actual use, the staff first installs the seal 4 in the docking groove 6, and then docks the docking pipe 2 with the docking groove 6 on the docking pipe seat 1, and then positions and fixes the docking pipe 2 through the connecting member 3. When it needs to be disassembled, push the second connecting ring 13 backward, and then remove the connecting member 3 and the docking pipe 2 in turn.

[0049] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A docking structure, characterized in that: The docking structure includes: A butt-jointed pipe seat (1), wherein the butt-jointed pipe seat (1) is a circular pipe structure, and both ends of the pipe body are provided with butt-jointed grooves (6), and both ends of the outer wall of the butt-jointed pipe seat (1) are provided with external thread structures (21), and a positioning seat (19) is integrally formed on the outer wall of the butt-jointed pipe seat (1); A butt-jointed pipe (2), wherein the cross-sectional dimensions of the butt-jointed pipe (2) match the cross-sectional dimensions of the butt-jointed groove (6), and when the butt-jointed pipe (2) and the butt-jointed pipe seat (1) are actually butt-jointed, the butt-jointed pipe (2) is embedded in the butt-jointed groove (6), and a first limiting ring (7) is provided on the side wall of the butt-jointed pipe (2); A connecting piece (3), the connecting piece (3) being a section of a circular tube structure, and a second limiting ring (8) is provided on the inner side wall of one end of the tube body, and an internal thread structure (9) is provided on the inner side wall of the tube body at the other end of the second limiting ring (8), and a first limiting seat (10) is provided on the second limiting ring (8) at a port position on one side of the internal thread structure (9); A sealing member (4), the sealing member (4) being arranged in a docking groove (6) on the docking pipe seat (1); A position limiting assembly (5) is composed of a first connecting ring (11), a supporting spring (12), and a second connecting ring (13), and a second position limiting seat (14) is provided on the second connecting ring (13).

2. A docking structure according to claim 1, characterized in that: The sealing member (4) is a rubber gasket, and when the butt-jointed pipe (2) and the butt-jointed pipe seat (1) are actually butt-jointed, the sealing member (4) is in a compressed state.

3. A docking structure according to claim 2, characterized in that: The internal thread structure (9) and the external thread structure (21) are matched with each other, and the connecting piece (3) is threadedly connected to the butt joint socket (1).

4. A docking structure according to claim 3, characterized in that: The outer diameter of the first limiting ring (7) is greater than the inner diameter of the second limiting ring (8), and when the connecting member (3) is actually installed, the first limiting ring (7) and the second limiting ring (8) are offset from each other.

5. A docking structure according to claim 4, characterized in that: The first connecting ring (11), the supporting spring (12) and the second connecting ring (13) are all movably sleeved on the butt joint pipe seat (1); the first connecting ring (11) and the second connecting ring (13) are connected via the supporting spring (12); and when the butt joint pipe (2) and the butt joint pipe seat (1) are actually butt jointed, the supporting spring (12) is set in a compressed state.

6. The docking structure according to claim 5, characterized in that: The first limiting seat (10) and the second limiting seat (14) are both raised structures with a right-angled triangle cross section. The first limiting seat (10) and the second limiting seat (14) are provided in multiple groups corresponding to each other, and when the connecting member (3) is tightened, the cross-sectional hypotenuses of the first limiting seat (10) and the second limiting seat (14) are arranged facing each other.

7. The docking structure according to claim 6, characterized in that: A threaded hole (15) is provided on the first connecting ring (11), and a circular hole (16) is provided on the second connecting ring (13). The threaded hole (15) and the circular hole (16) are arranged correspondingly, and a positioning screw (17) is screwed into the threaded hole (15), and the screw rod of the positioning screw (17) is arranged through the circular hole (16).

8. The docking structure according to claim 7, characterized in that: A sealing ring (18) is provided at the end of the butt joint pipe (2). The sealing ring (18) is an annular raised structure with a semicircular cross section. When the butt joint pipe (2) and the butt joint pipe seat (1) are actually butt jointed, the sealing ring (18) is embedded in the rubber body of the sealing member (4).

9. The docking structure according to claim 8, characterized in that: The outer contour of the positioning seat (19) is a regular hexagon, and a screw seat (20) is integrally formed on the outer side wall of the connecting member (3), and the outer contour size of the screw seat (20) is consistent with the outer contour size of the positioning seat (19).

10. A flow meter, characterized in that: The flow meter has any one of the docking structures of claims 1 to 9, and the flow meter body (22) is connected to the docking socket (1).

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