Special tool for testing leakage rate of electrical penetration joint

Abstract

The utility model relates to the technical field of electrical connectors, in particular to a special tool for testing the leakage rate of an electrical penetration connector, which comprises a sealed cavity, one side of the sealed cavity is provided with an open hole for a test sample to penetrate through, the test sample is connected with an installation handle, and one side of the open hole of the sealed cavity is connected with a split type support through a screw. A split type support is arranged in the sealing cavity, a split type pressing block is arranged in the split type support, the split type pressing block is pressed through a pressing screw penetrating through the split type support, and an open groove for containing an O-shaped sealing ring is formed in the end face of the opening position of the sealing cavity. The sealing cavity is fixed and sealed through the pressing block, the support and the screws, an external leakage detector is connected through the NPT sealing threads on the other side of the sealing cavity, the leakproofness of the whole cavity is guaranteed, and the detection accuracy of the leakage detector is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical joint technical field, concretely is a kind of electrical penetration joint leakage rate test special frock. BACKGROUND

[0002] The main role of electrical penetration joint is to ensure the electrical continuity and sealing of electrical conductor, and the main role is to ensure the electrical continuity and sealing of electrical conductor penetrating containment vessel.

[0003] Therefore, electrical penetration joint is usually required to carry out leakage rate test after production, but due to different irregular shapes of joint, leakage rate test cannot be carried out.

[0004] Based on the above reasons, the utility model discloses a kind of electrical penetration joint leakage rate test special frock, various irregular joints can be fixed and leakage rate test is completed, meet the sealing inspection requirement of most joints, and structure is simple, maintenance is convenient, and it is convenient to promote. SUMMARY

[0005] The utility model aims at overcoming the insufficient of prior art, provide a kind of electrical penetration joint leakage rate test special frock, various irregular joints can be fixed and leakage rate test is completed, meet the sealing inspection requirement of most joints, and structure is simple, maintenance is convenient, and it is convenient to promote.

[0006] In order to achieve the above purpose, the utility model provides a kind of electrical penetration joint leakage rate test special frock, including sealed cavity, the side of sealed cavity is provided with the opening for passing through test sample, test sample is integrated with mounting handle, the side of sealed cavity opening is connected with split type support by screw, the inside of split type support is provided with split type pressing block, split type pressing block is pressed by passing through the pressing screw of split type support, and the end face of opening on sealed cavity is provided with the slot for placing O type sealing ring.

[0007] Sealed cavity is cylindrical.

[0008] Split type support and split type pressing block are divided into 2 blocks.

[0009] Two blocks of split type support are combined into a circular ring.

[0010] The position of O type sealing ring corresponds to the position of split type pressing block.

[0011] The other side of sealed cavity relative to opening is provided with NPT threaded hole for connecting with leakage tester pipeline.

[0012] The number of screw is 6, and the number of pressing screw is 4.

[0013] The compression screws are distributed along the center circumference of the opening and are located on the outer circumference of the compression screws.

[0014] The screws are distributed along the center circumference of the opening and are located on the outer circumference of the compression screws.

[0015] The O-shaped sealing ring is a nitrile rubber sealing ring.

[0016] Compared with the prior art, the utility model discloses a sealed cavity structure, and the electric appliance penetration connector to be tested is arranged in the sealed cavity structure, the air tightness of the electric appliance penetration connector to be tested is kept through the sealing ring, and the electric appliance penetration connector to be tested is fixed through the detachable pressing block and the support respectively, and the pressing block and the support are detachable, so that installation and dismounting are facilitated. The utility model discloses a sealed cavity structure, and the electric appliance penetration connector to be tested is arranged in the sealed cavity structure, the air tightness of the electric appliance penetration connector to be tested is kept through the sealing ring, and the electric appliance penetration connector to be tested is fixed through the detachable pressing block and the support respectively, and the pressing block and the support are detachable, so that installation and dismounting are facilitated. The utility model discloses a sealed cavity structure, and the electric appliance penetration connector to be tested is arranged in the sealed cavity structure, the air tightness of the electric appliance penetration connector to be tested is kept through the sealing ring, and the electric appliance penetration connector to be tested is fixed through the detachable pressing block and the support respectively, and the pressing block and the support are detachable, so that installation and dismounting are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is A-A sectional view schematic diagram of the utility model.

[0018] Fig. 2 It is B toward sectional view schematic diagram of the utility model.

[0019] Mark explanation:

[0020] 1 is sealed cavity, 2 is split type support, 3 is split type pressing block, 4 is screw, 5 is compression screw, 6 is O-shaped sealing ring, 7 is test sample, 8 is mounting handle. SPECIFIC EMBODIMENT

[0021] The utility model will be further described in combination with the drawings.

[0022] Reference Figs. 1-2 The utility model discloses a kind of leakage rate test special tool of electrical penetration connector, including sealed cavity 1, the side of sealed cavity 1 is provided with the opening for passing through test sample 7, test sample 7 is integrated with mounting handle 8, the side of sealed cavity 1 opening is connected split type support 2 by screw 4, split type support 2 is provided with split type pressing block 3 in its inside, split type pressing block 3 is compressed by compression screw 5 passing through split type support 2, the end face of sealed cavity 1 opening is provided with the slot of placing O-shaped sealing ring 6.

[0023] Sealed cavity 1 is cylinder.

[0024] Split type support 2 and split type pressing block 3 are divided into 2 blocks.

[0025] The 2 blocks of split type support 2 are combined into a circular ring.

[0026] The position of the O-shaped sealing ring 6 corresponds to the position of the split pressing block 3.

[0027] The sealing cavity 1 is provided with an NPT threaded hole for connecting with the pipeline of the leakage tester on the other side of the opening.

[0028] The number of the screws 4 is 6, and the number of the pressing screws 5 is 4.

[0029] The pressing screws 5 are distributed equidistantly along the central circumference of the opening.

[0030] The screws 4 are distributed along the central circumference of the opening and are located on the outer circumference of the pressing screws 5.

[0031] The O-shaped sealing ring 6 is a butyronitrile rubber sealing ring.

[0032] Working principle:

[0033] The utility model discloses in using without too much debugging, because test sample 7 and installation handle 8 are integral structure, first test sample 7 through installation handle 8 stretches into the opening of the right side of sealing cavity 1 and stretches into the cavity interior, and it presses O-shaped sealing ring 6. Then again the split pressing block 3 that is divided into 2 blocks is pressed on test sample 7 and forms the circular ring, prevents its left and right movement. Again the split pressing block 3 of being divided into 2 blocks is pressed on the side of split support 2 respectively and installation handle 8 and is combined into the circular ring after the side, is connected with sealing cavity 1 through 6 hexagonal head screws 4, and finally through 4 pressing screws 5, the split pressing block 3 is pressed tightly, so test sample can be pressed tightly on the right side end face of sealing cavity 1, and again through the NPT threaded hole of the other side of sealing cavity 1, the pipeline of leakage tester is stretched into sealing cavity 1 interior to test sample 7 carries out the leakage rate test just can.

[0034] The above is only the preferred implementation of the utility model, just for helping understanding the method and its core idea of the present application, the protection scope of the utility model is not only limited to the above-mentioned embodiment, all technical solutions under the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary skilled person in the art, some improvements and decorations without departing from the principle of the utility model, these improvements and decorations should also be considered as the protection scope of the utility model.

[0035] In the description of the utility model, it should be pointed out that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer" and the like is based on the orientation or position relation shown in the drawing, and is only for facilitating the description of the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as the limitation of the utility model.

[0036] The utility model from overall solution existing technology in electrical penetration connector because of the irregular shape, cannot with the existing leakage tester carry out the shape size on the adaptation, the caused cannot carry out the leakage rate test's insufficient place, through design a special tool, artificial structure detects the cavity, through the connector is put into the tool inside and carries out the sealing fixedly, can, avoids the leakage rate test on the defect caused by the connector shape is different, improves the convenience and practicality of test.

Claims

1. A tooling dedicated to electrical feed-through joint leakage rate testing, comprising a sealed cavity (1), characterized in that, The sealing cavity (1) is provided with an opening for passing through a test sample (7) which is integrated with a mounting handle (8), and the opening side of the sealing cavity (1) is connected with a split bracket (2) through screws (4), the split bracket (2) is provided with a split pressing block (3) inside, the split pressing block (3) is pressed through pressing screws (5) passing through the split bracket (2), and the end face of the opening of the sealing cavity (1) is provided with a slot for placing an O-shaped sealing ring (6).

2. The electrical through-connector leak rate test tooling of claim 1, wherein, The sealing cavity (1) is a cylinder.

3. The electrical through-connector leak rate test tooling of claim 1, wherein, The split bracket (2) and the split pressing block (3) are divided into two parts.

4. The electrical through-connector leak rate test tooling of claim 3, wherein, The two parts of the split bracket (2) are combined into a circular ring.

5. The electrical through-connector leak rate test tooling of claim 1, wherein, The position of the O-shaped sealing ring (6) corresponds to the position of the split pressing block (3).

6. The electrical penetration guide leak rate test tooling of claim 1, wherein, The other side of the sealing cavity (1) relative to the opening is provided with an NPT threaded hole for connecting with the pipeline of a leakage tester.

7. The electrical penetration guide leak rate test tooling of claim 1, wherein, The number of the screws (4) is six, and the number of the pressing screws (5) is four.

8. The electrical through-connector leak rate test purpose-built tooling of claim 7, wherein, The pressing screws (5) are distributed equidistantly along the center circumference of the opening.

9. The electrical feedthrough leak rate test tooling of claim 7, wherein, The screws (4) are distributed along the center circumference of the opening and located on the outer side circumference of the pressing screws (5).

10. The electrical penetration guide leak rate test tool of claim 1, wherein, The O-shaped sealing ring (6) is a butyronitrile rubber sealing ring.

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