Metal hose test tool

Abstract

The utility model provides a metal hose test tool which comprises a quick-release connecting joint and a test joint which are sleeved on the outer side of a welding adapter, and the quick-release connecting joint and the test joint are fixedly clamped and connected through a clamping piece; and a sealing element is arranged between the quick-release connecting joint and / or the test joint and the welding adapter. According to the utility model, the welding adapter and the test joint are connected together through the quick-release connecting joint and the clamping piece, so that axial and radial constraint is realized, and the sealing of the test tool is realized; the sealing effect is further ensured through the sealing piece; the quick release connector and the test connector are clamped and connected through the clamping piece, so that the quick connection can be realized, the use is convenient, the sealing is reliable, the requirement on the skill level of an operator is low, and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of testing, in particular to a metal hose testing tool. Background Art

[0002] like Figure 1 As shown, the metal hose includes a tube blank 1 and a welding adapter 2 connected by welding, and a welding process groove 21 is provided on the welding adapter 2. After the tube blank 1 and the welding adapter 2 are welded, the metal hose needs to be tested for sealing, the test pressure is 0.8MPa, and the medium is compressed air. Because the external parts of the welding adapters at both ends are both bare tube structures, they cannot be connected to the test system, so it is impossible to achieve a fast and reliable sealing test of the metal hose. This test is related to the qualified rate of the finished product of the metal hose. If the test cannot detect leakage defects, the work done by the metal hose in subsequent processes such as meshing and welding is useless.

[0003] In order to ensure the qualified rate of finished metal hoses and improve the efficiency of sealing tests on metal hoses, a metal hose testing fixture that is easy to disassemble quickly is designed to perform sealing tests on metal hoses. Summary of the invention

[0004] In view of the above-mentioned technical problems, the utility model proposes a metal hose test tool, which is used to solve the problem that the prior art cannot realize the rapid and reliable sealing test connection of the metal hose.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A metal hose test fixture includes a quick-release connector and a test connector sleeved on the outside of a welding adapter, the quick-release connector and the test connector are connected by a clamping piece; and a sealing piece is provided between the quick-release connector and / or the test connector and the welding adapter. The utility model connects the welding adapter and the test connector together by the quick-release connector and the clamping piece, realizes axial and radial constraints, and thus realizes the sealing of the test fixture; the sealing effect is further guaranteed by the sealing piece; the utility model clamps the quick-release connector and the test connector by the clamping piece, can realize fast connection, is easy to use, has reliable sealing, and has low requirements on the skill level of the operator.

[0007] Furthermore, the quick-release connection joint and the test joint are provided with matching protruding structures, and the clamping piece is a clamping sleeve tightly clamped on the protruding structure.

[0008] Furthermore, the protruding structure includes a protruding stopper arranged on the outside of the quick-release connection joint and a protruding baffle plate arranged on the outside of the test joint, and the end of the protruding baffle plate is in contact with and aligned with the protruding stopper.

[0009] Furthermore, a cavity with one side open is provided in the ferrule for being sleeved on the outer side of the raised stopper and the raised baffle.

[0010] Furthermore, the raised stopper, the raised baffle plate and the clamping sleeve are rectangular structures, and a rectangular cavity is provided in the clamping sleeve.

[0011] Furthermore, two ferrules are provided; the quick-release connection joint is provided with vertically symmetrical raised stoppers; and the test joint is provided with vertically symmetrical raised baffles.

[0012] Further, the quick-release connection joint includes a left half and a right half symmetrically arranged along the axis of the welding adapter, and the raised baffle includes a left raised baffle and a right raised baffle respectively arranged on the left half and the right half.

[0013] Furthermore, the quick-release connection joint is provided with a clamping portion that can be clamped into the welding process groove.

[0014] Furthermore, the sealing member is an O-ring arranged between the test joint and the welding adapter.

[0015] Furthermore, an O-ring groove is provided on the inner side of the test joint.

[0016] Beneficial effects of the utility model:

[0017] 1. The utility model realizes the quick connection and reliability sealing test of the metal hose by adopting O-ring and quick connection device;

[0018] 2. The utility model has an O-ring groove on the inner hole of the test joint, and an O-ring is installed in the O-ring groove. During the test, the O-ring can effectively seal with the outer circle of the weld adapter bare pipe by inserting the bare pipe end of the weld adapter into the inner hole on the right side of the test joint;

[0019] 3. The utility model connects the welding adapter and the test joint together through a quick-release connection joint and a ferrule, thereby realizing axial and radial constraints, thereby realizing the sealing of the test fixture and ensuring the sealing effect;

[0020] 4. The utility model is designed with a raised stopper at the right end of the test joint, and the quick-release connection joint is designed as a left and right two-piece type. When in use, the clamping structure can be tightly embedded in the welding process groove of the welding adapter, and the outer circular raised stopper and the test joint raised stopper are closely fitted together. The test joint and the quick-release connection joint raised stopper are clamped together by installing a clamping sleeve on the outside to ensure the connection effect;

[0021] 5. The utility model converts the light tube structure of the outer part of the welding adapter into the inner cone of the test joint, which is convenient for connection with the test system;

[0022] 6. When using the test fixture of the utility model, it is only necessary to clamp the test joint and the quick-release connection joint with the ferrule by hand without the aid of special tools. It has the characteristics of easy use, reliable sealing, and low requirements on the skill level of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a structural schematic diagram of a metal hose;

[0025] Figure 2 It is a structural schematic diagram of the utility model;

[0026] Figure 3 It is a structural schematic diagram of the test joint of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the quick-release connection joint of the utility model;

[0028] Figure 5 for Figure 4 A side view structural schematic diagram of;

[0029] Figure 6 It is a structural schematic diagram of the ferrule of the utility model.

[0030] In the figure: 1. tube blank, 2. welding adapter, 21. welding process groove, 3. ferrule, 4. quick-release connection joint, 41. clamping part, 42. raised baffle, 5. O-ring, 6. test joint, 61. raised block, 62. O-groove. DETAILED DESCRIPTION

[0031] 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.

[0032] like Figure 2~Figure 6As shown, the metal hose test fixture described in Example 1 of the utility model includes a quick-release connection joint 4 and a test joint 6 sleeved on the outside of the welding adapter 2, and the ends of the quick-release connection joint 4 and the test joint 6 are fitted. The end of the test joint 6 is fixedly connected to the quick-release connection joint 4 by a clamping piece. Figure 2 and Figure 3 As shown, the test joint 6 is provided with an inner taper and an outer thread on the outside for easy connection with the test system. In this embodiment, the test joint 6 is provided with an inner taper of 37°, and other embodiments may provide inner tapers of other angles as required. A seal is provided between the quick-release connection joint 4 and / or the test joint 6 and the welding adapter 2. In this embodiment, the seal is provided between the test joint 6 and the welding adapter 2.

[0033] Furthermore, if Figure 2 As shown, the quick-release connection joint 4 and the test joint 6 are provided with matching protruding structures, and the clamping piece is a clamping sleeve 3 tightly clamped on the protruding structure. The clamping sleeve 3 is tightly clamped on the protruding structures of the quick-release connection joint 4 and the test joint 6, thereby playing the role of fastening the quick-release connection joint 4 and the test joint 6.

[0034] Furthermore, if Figure 3 and Figure 4 As shown, the protruding structure includes a protruding stopper 61 arranged on the outside of the test joint 6 and a protruding baffle plate 42 arranged on the outside of the quick-release connection joint 4 , and the end of the protruding baffle plate 42 is in contact with and aligned with the protruding stopper 61 .

[0035] Furthermore, a cavity with one side open is provided in the ferrule 3 for being sleeved on the outer sides of the raised stopper 61 and the raised baffle plate 42 , and the raised stopper 61 and the raised baffle plate 42 can extend into the cavity from the open side of the cavity.

[0036] Embodiment 2 is different from Embodiment 1 in that Figure 3 , Figure 5 and Figure 6 As shown, the raised stopper 61 , the raised baffle plate 42 and the ferrule 3 are rectangular structures, and a rectangular cavity is provided in the ferrule 3 .

[0037] Embodiment 3 is different from Embodiment 1 in that Figure 5 As shown, the quick-release connection joint 4 includes a left half and a right half symmetrically arranged along the axis of the welding adapter 2, and the left half and the right half surround the outer side of the welding adapter 2 from the left and right sides. The raised baffle 42 includes a left raised baffle and a right raised baffle respectively arranged on the left half and the right half, and the sum of the widths of the left raised baffle and the right raised baffle is equal to the width of the raised block 61. The left raised baffle and the right raised baffle are also symmetrically arranged.

[0038] Embodiment 4 is different from Embodiment 3 in that Figure 5 As shown, the test joint 6 is provided with a vertically symmetrical raised block 61; the quick-release connection joint 4 is provided with a vertically symmetrical raised baffle 42, that is, the left half of the quick-release connection joint 4 is provided with a vertically symmetrical left raised baffle, and the right half is provided with a vertically symmetrical right raised baffle. The ferrule 3 is provided with two; the upper ferrule 3 is sleeved on the upper raised baffle 42 and the upper left raised baffle and the right raised baffle; the lower ferrule 3 is sleeved on the lower raised baffle 42 and the lower left raised baffle and the right raised baffle.

[0039] Embodiment 5 is different from Embodiment 3 in that Figure 4 and Figure 5 As shown, the quick-release connector 4 is provided with a clamping portion 41 that can be clamped into the welding process groove 21. The clamping portion 41 just fits with the welding process groove 21. The clamping portion 41 includes a left clamping portion and a right clamping portion that are respectively arranged on the left half and the right half.

[0040] Embodiment 6 is different from Embodiment 3 in that Figure 2 As shown, the sealing member is an O-ring 5 arranged between the test joint 6 and the welding adapter 2 .

[0041] Furthermore, if Figure 2 and Figure 3 As shown, the inner side of the test joint 6 is provided with an O-ring groove 62 for receiving the O-ring 5 .

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A metal hose test tool, characterized in that: The invention comprises a quick-release connection joint (4) and a test joint (6) which are sleeved on the outside of a welding adapter (2); the quick-release connection joint (4) and the test joint (6) are connected by a clamping member; and a sealing member is provided between the quick-release connection joint (4) and / or the test joint (6) and the welding adapter (2).

2. The metal hose test fixture according to claim 1, characterized in that: The quick-release connection joint (4) and the test joint (6) are provided with matching protruding structures, and the clamping piece is a clamping sleeve (3) tightly clamped on the protruding structure.

3. The metal hose test fixture according to claim 2, characterized in that: The protruding structure comprises a protruding stopper (61) arranged on the outside of the quick-release connection joint (4) and a protruding baffle plate (42) arranged on the outside of the test joint (6), and an end of the protruding baffle plate (42) is fitted and aligned with the protruding stopper (61).

4. The metal hose test fixture according to claim 3, characterized in that: The ferrule (3) is provided with a cavity with one side open for being sleeved on the outside of the raised stopper (61) and the raised baffle plate (42).

5. The metal hose test fixture according to claim 4, characterized in that: The raised stopper (61), the raised baffle plate (42) and the clamping sleeve (3) are rectangular structures, and a rectangular cavity is provided in the clamping sleeve (3).

6. The metal hose test tool according to any one of claims 3 to 5, characterized in that: Two of the ferrules (3) are provided; the quick-release connection joint (4) is provided with a vertically symmetrical raised stopper (61); and the test joint (6) is provided with a vertically symmetrical raised stopper (42).

7. The metal hose test tool according to any one of claims 3 to 5, characterized in that: The quick-release connection joint (4) comprises a left half and a right half symmetrically arranged along the axis of the welding adapter (2), and the raised baffle (42) comprises a left raised baffle and a right raised baffle respectively arranged on the left half and the right half.

8. The metal hose test tool according to any one of claims 1 to 5, characterized in that: The quick-release connection joint (4) is provided with a clamping portion (41) that can be clamped into the welding process groove (21).

9. The metal hose test tool according to any one of claims 1 to 5, characterized in that: The sealing component is an O-ring (5) arranged between the test joint (6) and the welding adapter (2).

10. The metal hose test fixture according to claim 9, characterized in that: An O-ring groove (62) is provided on the inner side of the test joint (6).

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