CN206573256U - A kind of inner oil tube pressure testing device - Google Patents

Abstract

The name of the utility model is a pressure test device for an inner oil pipe. The invention belongs to the technical field of marine replenishment system detection. It mainly solves the problems of complex structure, time-consuming and labor-intensive and low detection efficiency existing in the existing inner oil pipe tightness detection. Its main features are: including the upper pressure seal cover assembly, the lower pressure seal cover assembly, and the compression nut and compression screw used for the compression connection between the upper pressure seal cover assembly and the lower pressure seal cover assembly ;The upper pressure sealing cover assembly is composed of the first quick male end joint, the first ball valve, the pressure connection tee and the upper pressure sealing cover connected in sequence; the lower pressure sealing cover assembly is composed of the lower pressure sealing cover, the pressure connection Straight pipe, the second ball valve and the second quick male end joint. The utility model has the characteristics of simple structure, easy disassembly and assembly, good sealing effect and high detection efficiency, and is mainly used for detecting the tightness of the inner oil pipe in the refueling probe assembly of the offshore liquid cargo supply system.

Description

An inner oil pipe pressure test device

technical field

The utility model belongs to the technical field of marine supply system detection. In particular, it relates to a pressure test device for detecting the tightness of an inner oil pipe in a refueling probe assembly of an offshore liquid cargo supply system.

Background technique

At present, there is no special device for testing the tightness of the inner oil pipe in the refueling probe assembly of the offshore liquid cargo replenishment system. When testing the tightness of the inner oil pipe, it is necessary to provide joints and connectors that match the models at both ends of the inner oil pipe. Its disadvantages are: 1. The structure is complex and occupies a large space; 2. The installation and disassembly of the joint is time-consuming and laborious; 3. The detection efficiency is low.

Contents of the invention

The purpose of this utility model is to provide an inner oil pipe pressure test device with simple structure, easy disassembly, good sealing effect and high detection efficiency in view of the above disadvantages.

The technical solution of the utility model is: a pressure test device for the inner oil pipe, which is characterized in that it includes an upper pressure seal cover assembly, a lower pressure seal cover assembly, and an upper pressure seal cover assembly and a lower pressure seal cover assembly. The compression nut and the compression screw are compressed and connected between the assemblies; the upper pressure sealing cover assembly is composed of the first quick male end joint, the first ball valve, the first O-ring, the pressure connection tee and the upper The pressure seal cover is formed; the press seal cover assembly is composed of a press seal cover connected in sequence, a pressure connection straight pipe, a second O-ring, a second ball valve and a second quick male end connector.

In the technical solution of the utility model, the end face of the upper pressure sealing cover is provided with a first O-shaped sealing ring; the lower pressure sealing cover has a built-in second O-shaped sealing ring.

The compression nut and the compression screw described in the technical solution of the utility model are three groups, which are evenly distributed along the circumference.

The upper pressure sealing cover and the lower pressure sealing cover described in the technical solution of the utility model are in the shape of a barrel, and the pressing end surface is in the shape of a three-petal flower.

The utility model adopts the inner oil pipe pressure test device composed of the upper pressure sealing cover assembly, the lower pressure sealing cover assembly, the compression nut and the compression screw rod, wherein the upper pressure sealing cover assembly of the pipe is composed of the first The quick male end joint, the first ball valve, the pressure connection tee and the upper pressure seal cover are composed of the lower pressure seal cover assembly, which is connected in sequence with the lower pressure seal cover, the pressure connection straight pipe, the second ball valve and the second quick male end joint Therefore, when testing the tightness of the inner oil pipe of the probe, it is only necessary to press the upper pressure sealing cover and the lower pressure sealing cover into the two ends of the inner oil pipe, connect and compress with the compression nut and the compression screw, connect the press, and fill the inner oil pipe. Fill with liquid (clear water) and increase the pressure. The utility model has the characteristics of simple structure, convenient assembly and disassembly, good sealing effect and high detection efficiency. The utility model is mainly used for detecting the tightness of the inner oil pipe in the refueling probe assembly of the offshore liquid cargo supply system.

Description of drawings

Figure 1 is a front view of the inner oil pipe pressure test device.

Figure 2 is a left side view of the inner oil pipe pressure test device.

Fig. 3 is a structural schematic diagram of the upper pressure sealing cover assembly.

Fig. 4 is a schematic diagram of the structure of the press-down seal cover assembly.

In the figure: 1. Upper pressure sealing cover assembly; 2. First O-ring; 3. Inner oil pipe; 4. Second O-ring; 5. Lower pressure sealing cover assembly; 6. Compression nut; 7. Compression screw; 8. The first quick male end joint; 9. The first ball valve; 10. The pressure connection tee; 11. The upper pressure sealing cover; 12. The lower pressure sealing cover; 13. The pressure connection straight pipe; 14 . The second ball valve; 15. The second quick male end connector.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figure 1 to Figure 4. The utility model is an inner oil pipe pressure test device which consists of an upper pressure sealing cover assembly 1, a lower pressure sealing cover assembly 5, and a compression connection between the upper pressure sealing cover assembly 1 and the lower pressure sealing cover assembly 5. Compression nut 6 and compression screw 7 constitute. Wherein, the upper pressure sealing cover assembly 1 is composed of a first quick male end joint 8 , a first ball valve 9 , a pressure connection tee 10 and an upper pressure sealing cover 11 connected in sequence. The press-down seal cover assembly 5 is composed of a press-down seal cover 12 , a pressure connection straight pipe 13 , a second ball valve 14 and a second quick male end connector 15 connected in sequence. The upper pressure sealing cover 11 and the lower pressure sealing cover 12 are barrel-shaped, and the pressing end faces are in the shape of a three-petal flower. A first O-ring seal 2 is provided on the end surface of the upper pressure sealing cover 11 , and a second O-ring sealing ring 4 is built in the lower pressure sealing cover 12 . The compression nut 6 and the compression screw rod 7 are three groups, which are evenly distributed along the circumference.

How to use: 1. Press the upper pressure sealing cap 11 and the lower pressure sealing cap 12 into the two ends of the inner oil pipe 3 (pressure test piece), and connect and compress with three sets of screws; 2. Connect the press and fill the inner oil pipe 3 with liquid (clear water), just increase the pressure.

Features of the device: 1. The upper pressure sealing cover 11 and the lower pressure sealing cover 12 are barrel-shaped, and the pressing end surface is Y-shaped; 2. The end surface of the upper pressure sealing cover 11 is sealed with the first O-ring 2 and the inner oil pipe 3. ; 3. Press down the sealing cover 12 and use the built-in second O-ring 4 to seal with the other end of the inner oil pipe 3 .

Claims (4)

1. a kind of inner oil tube pressure testing device, it is characterised in that：Including upper means of press seals cap assembly（1）, push sealing cap assembly（5）、 And for upper means of press seals cap assembly（1）With pushing sealing cap assembly（5）Between compress the clamp nut of connection（6）With compression spiral shell Bar（7）；Upper means of press seals cap assembly（1）By the be sequentially connected first quick male coupling（8）, the first ball valve（9）, press-in connection three It is logical（10）With upper densification capping（11）Constitute；Push sealing cap assembly（5）Closure is pushed by what is be sequentially connected（12）, pressure connect Connect straight tube（13）, the second ball valve（14）With the second quick male coupling（15）Constitute.

2. a kind of inner oil tube pressure testing device according to claim 1, it is characterised in that：Described upper densification capping（11）End Face is provided with the first O-ring seals（2）；Push closure（12）Built-in second O-ring seals（4）.

3. a kind of inner oil tube pressure testing device according to claim 1 or 2, it is characterised in that：Described clamp nut（6）With Clamping screw（7）For three groups, circumferentially it is uniformly distributed.

4. a kind of inner oil tube pressure testing device according to claim 1 or 2, it is characterised in that：Described upper densification capping （11）With push closure（12）It is drum-shaped, it is in three hemp nettle shapes to compress end face.