CN221803297U - A test device for automobile nozzle connection hose - Google Patents

Abstract

The utility model relates to the technical field of automobile nozzles, in particular to an automobile nozzle connecting hose testing device, which comprises a water tank, wherein a lifting assembly is fixedly connected in the water tank, a mounting frame is connected on the side surface of the lifting assembly in a sliding manner, a nozzle is clamped at the upper end of the mounting frame, a hose is fixedly connected at the outlet end of the nozzle, a sealing plate is clamped at the upper end of the nozzle, a connecting port is formed in the sealing plate, a sealing ring is fixedly connected in the upper end of the sealing plate, a connecting pipe is fixedly connected at the upper end of the sealing ring, and an air pressure meter is fixedly connected at the end part of the connecting pipe; after pressurizing in to the nozzle through the connector, observe whether the barometer shows the number and changes to judge the gas tightness between nozzle and the hose, if the gas tightness has the problem, accessible lifting unit drives structure such as mounting bracket and nozzle and descends, makes the junction of nozzle and hose submerge in water, can judge the position that nozzle and hose junction gas tightness is relatively poor, and this device need not to submerge and can detect the gas tightness, can not influence other performance detection to the nozzle.

Description

A testing device for automobile nozzle connection hose

Technical Field

The utility model relates to the field of automobile nozzles, in particular to a testing device for connecting hoses of automobile nozzles.

Background Art

The automobile nozzle is one of the automobile parts, including the fuel injector, etc. One end of the nozzle is usually connected to a hose. The connection between the nozzle and the hose must ensure good airtightness, so the sealing performance between the automobile nozzle and the connecting hose will be tested before leaving the factory.

Existing automobile nozzle connection hose testing devices, such as the fuel injector air tightness detection equipment proposed in patent application number "CN202021697121.3", immerse the fuel injector under the water tank through structures such as a water tank, a connecting plate, a fixing seat, and a support plate to observe whether bubbles appear to determine the air tightness.

In the prior art, for example, the fuel injector air tightness detection equipment proposed in patent application number "CN202021697121.3" immerses the fuel injector under the water tank to observe whether bubbles appear to determine the air tightness. The surface of the nozzle is wet after the test, which makes it inconvenient to detect other performance of the nozzle. Therefore, a vehicle nozzle connecting hose testing device is proposed.

Utility Model Content

The utility model aims to provide a vehicle nozzle connection hose testing device to solve the problems raised in the above background technology.

The purpose of the utility model can be achieved through the following technical solutions:

A device for testing a nozzle connection hose of an automobile comprises a water tank, wherein a lifting assembly is fixedly connected inside the water tank, a mounting frame is slidably connected to the side of the lifting assembly, a nozzle is clamped on the upper end of the mounting frame, a hose is fixedly connected to the nozzle outlet end, a sealing plate is clamped on the upper end of the nozzle, a connecting port is opened on the sealing plate, a sealing ring is fixedly connected inside the upper end of the sealing plate, a connecting pipe is fixedly connected to the upper end of the sealing ring, a pressure gauge is fixedly connected to the end of the connecting pipe, and the sealing plate and the upper end of the mounting frame are fixedly connected via multiple groups of connecting assemblies.

Preferably, the lifting assembly includes a fixed plate, which is fixedly connected to one side of the upper end of the water tank, and a threaded column is rotatably connected to the fixed plate, and the lower end of the threaded column is rotatably connected to the bottom of the inner wall of the water tank, and a fixed block is fixedly connected to one side of the mounting frame close to the threaded column, and the fixed block is threadedly connected to the threaded column, and the fixed block is slidably connected to the inner wall of the water tank.

Preferably, the mounting frame is in a "U" shape, a plurality of groups of blocks are fixedly connected to the upper end of the mounting frame, a side plate is fixedly connected to the side of the nozzle, and the side plate is clamped between the plurality of groups of blocks.

Preferably, the connecting assembly includes a lug, which is fixed to the side of the sealing plate, and multiple groups of connecting plates are fixed to the upper end of the mounting frame. The lower ends of the multiple groups of lugs are fixed with threaded rods, and the multiple groups of threaded columns respectively penetrate the multiple groups of connecting plates, and the side walls of the multiple groups of threaded columns are threadedly connected with nuts, and the multiple groups of nuts are respectively located under the multiple groups of connecting plates.

Preferably, a sealing gasket is clamped between the upper end of the nozzle and the sealing plate.

Preferably, a fixing ring is fixedly connected to the lower end of the sealing plate, and the fixing ring is clamped inside the upper end of the nozzle.

Beneficial effects of the utility model:

The utility model fixes a sealing plate on the upper end of the nozzle, seals the end of the hose, increases pressure in the nozzle through the connection port, and observes whether the air pressure indication number changes, thereby judging the air tightness between the nozzle and the hose. If there is a problem with the air tightness, the lifting assembly can be used to drive the mounting frame and the nozzle and other structures to descend, so that the connection between the nozzle and the hose is immersed in water, and the position of the connection between the nozzle and the hose with poor air tightness can be judged. The device can detect the air tightness without immersion in water, and will not affect the detection of other performances of the nozzle.

BRIEF DESCRIPTION OF THE DRAWINGS

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

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the internal structure of the water tank of the utility model;

Figure 3 is a schematic diagram of the nozzle structure of the utility model;

Figure 4 is a schematic cross-sectional view of the nozzle structure of the utility model;

FIG5 is an enlarged schematic diagram of the structure at point A of FIG4 ;

Figure 6 is a schematic diagram of the structure of the mounting frame of the utility model;

The reference numerals in the figures are as follows:

1. Water tank; 2. Mounting frame; 3. Fixing block; 4. Clamp block; 5. Connecting plate; 6. Nozzle; 7. Side plate; 8. Hose; 9. Threaded column; 10. Sealing plate; 11. Connecting pipe; 12. Sealing ring; 13. Pressure gauge; 14. Connecting port; 15. Lug; 16. Threaded rod; 17. Nut; 18. Fixing plate; 19. Sealing pad; 20. Fixing ring.

DETAILED DESCRIPTION

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 of 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.

A test device for automobile nozzle connection hose comprises a water tank 1, wherein a lifting assembly is fixedly connected inside the water tank 1, a mounting frame 2 is slidably connected to the side of the lifting assembly, a nozzle 6 is clamped on the upper end of the mounting frame 2, a hose 8 is fixedly connected to the outlet end of the nozzle 6, a sealing plate 10 is clamped on the upper end of the nozzle 6, a connecting port 14 is opened on the sealing plate 10, a sealing ring 12 is fixedly connected inside the upper end of the sealing plate 10, a connecting pipe 11 is fixedly connected to the upper end of the sealing ring 12, a pressure gauge 13 is fixedly connected to the end of the connecting pipe 11, and the sealing plate 10 and the upper end of the mounting frame 2 are fixedly connected via a plurality of connecting assemblies.

In the prior art, for example, the fuel injector air tightness detection equipment proposed in patent application number "CN202021697121.3" immerses the fuel injector to the bottom of the water tank, observes whether bubbles appear to determine the air tightness, and the surface of the nozzle after detection is wet, which is not convenient for detecting other performances of the nozzle. As shown in Figures 1-6, the utility model fixes the nozzle 6 through the mounting frame 2, and seals and fixes the sealing plate 10 to the upper end of the nozzle 6 through the connecting assembly, so that the upper end of the nozzle 6 is sealed, and the end of the hose 8 is sealed and blocked. After pressurizing the nozzle 6 through the connecting port 14, observe whether the indication of the barometer 13 changes, so as to determine the air tightness between the nozzle 6 and the hose 8. If there is a problem with the air tightness, the mounting frame 2 and the nozzle 6 and other structures can be driven down by the lifting assembly to immerse the connection between the nozzle 6 and the hose 8 in water, so as to determine the position where the air tightness of the connection between the nozzle 6 and the hose 8 is poor. The device can detect air tightness without immersion in water, and will not affect the detection of other performances of the nozzle 6.

The lifting assembly includes a fixing plate 18, which is fixedly connected to one side of the upper end of the water tank 1. A threaded column 9 is rotatably connected to the fixing plate 18. The lower end of the threaded column 9 is rotatably connected to the bottom of the inner wall of the water tank 1. A fixing block 3 is fixedly connected to one side of the mounting frame 2 close to the threaded column 9. The fixing block 3 is threadedly connected to the threaded column 9, and the fixing block 3 is slidably connected to the inner wall of the water tank 1.

As shown in FIG. 1 , FIG. 2 , and FIG. 6 , by rotating the top of the threaded column 9 , the rotation of the threaded column 9 will cause the fixing block 3 to lift the mounting frame 2 , thereby controlling whether the mounting frame 2 with the nozzle 6 and other components are immersed in water.

The mounting frame 2 is in a U-shape, with multiple groups of blocks 4 fixedly connected to the upper end of the mounting frame 2 , and side plates 7 fixedly connected to the sides of the nozzle 6 , which are clamped between the multiple groups of blocks 4 .

As shown in FIG. 6 , a plurality of sets of fixing blocks 3 clamp the side plate 7 on the upper end of the mounting frame 2 to prevent the side plate 7 from moving, thereby fixing the nozzle 6 on the mounting frame 2 .

The connecting assembly includes a lug 15, which is fixed to the side of the sealing plate 10. The upper end of the mounting frame 2 is fixed with multiple groups of connecting plates 5. The lower ends of the multiple groups of lugs 15 are fixed with threaded rods 16. The multiple groups of threaded columns 9 respectively penetrate the multiple groups of connecting plates 5, and the side walls of the multiple groups of threaded columns 9 are threadedly connected with nuts 17. The multiple groups of nuts 17 are respectively located below the multiple groups of connecting plates 5.

As shown in Figure 1-2, when installing the sealing plate 10, align the multiple groups of threaded rods 16 on the sealing plate 10 and insert them into the multiple groups of connecting plates 5 respectively, and then screw on the nuts 17 from the lower ends of the threaded rods 16 so that the nuts 17 are close to the lower ends of the connecting plates 5, and the sealing plate 10 can be fixed to the upper end of the nozzle 6.

A sealing gasket 19 is clamped between the upper end of the nozzle 6 and the sealing plate 10 .

As shown in FIG. 5 , the gasket 19 seals the sealing plate 10 and the upper end of the nozzle 6 .

A fixing ring 20 is fixedly connected to the lower end of the sealing plate 10 , and the fixing ring 20 is clamped inside the upper end of the nozzle 6 .

As shown in FIG. 5 , the fixing ring 20 allows the sealing plate 10 to be aligned and snap-fitted to the upper end of the nozzle 6 .

The working principle of the automobile nozzle connection hose testing device provided by the utility model is as follows:

When in use, the sealing plate 10 is sealed and fixed to the upper end of the nozzle 6 through the connecting assembly, so that the upper end of the nozzle 6 is sealed and the end of the hose 8 is sealed and blocked. After the pressure is increased in the nozzle 6 through the connecting port 14, the reading of the barometer 13 is observed to see whether it changes, so as to judge the air tightness between the nozzle 6 and the hose 8. If there is a problem with the air tightness, the mounting frame 2 and the nozzle 6 and other structures can be driven down by the lifting assembly to immerse the connection between the nozzle 6 and the hose 8 in water, so as to judge the position where the air tightness of the connection between the nozzle 6 and the hose 8 is poor. The device can detect the air tightness without immersion in water, and will not affect other performance tests of the nozzle 6.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims (6)

1. The utility model provides an automobile nozzle coupling hose testing arrangement, includes water tank (1), its characterized in that, the rigid coupling has lifting unit in water tank (1), lifting unit side sliding connection has mounting bracket (2), mounting bracket (2) upper end joint has nozzle (6), nozzle (6) exit end rigid coupling has hose (8), nozzle (6) upper end joint has closing plate (10), connection mouth (14) have been seted up on closing plate (10), inside rigid coupling of closing plate (10) upper end has sealing washer (12), sealing washer (12) upper end has connecting pipe (11), connecting pipe (11) tip rigid coupling has barometer (13), through multiunit coupling assembling rigid coupling between closing plate (10) and mounting bracket (2) upper end.

2. The automobile nozzle connecting hose testing device according to claim 1, wherein the lifting assembly comprises a fixing plate (18), the fixing plate (18) is fixedly connected to one side of the upper end of the water tank (1), a threaded column (9) is rotationally connected to the fixing plate (18), the lower end of the threaded column (9) is rotationally connected to the bottom of the inner wall of the water tank (1), a fixing block (3) is fixedly connected to one side, close to the threaded column (9), of the mounting frame (2), the fixing block (3) is in threaded connection with the threaded column (9), and the fixing block (3) is in sliding connection with the inner wall of the water tank (1).

3. The device for testing the automobile nozzle connecting hose according to claim 2, wherein the mounting frame (2) is U-shaped, a plurality of groups of clamping blocks (4) are fixedly connected to the upper end of the mounting frame (2), side plates (7) are fixedly connected to the side faces of the nozzles (6), and the side plates (7) are clamped between the plurality of groups of clamping blocks (4).

4. The device for testing the connection hose of the automobile nozzle according to claim 3, wherein the connection assembly comprises lugs (15), the lugs (15) are fixedly connected to the side surfaces of the sealing plates (10), a plurality of groups of connection plates (5) are fixedly connected to the upper ends of the mounting frames (2), threaded rods (16) are fixedly connected to the lower ends of the groups of lugs (15), the groups of threaded columns (9) respectively penetrate through the groups of connection plates (5), nuts (17) are respectively connected to the side walls of the groups of threaded columns (9) in a threaded manner, and the groups of nuts (17) are respectively located below the groups of connection plates (5).

5. The device for testing the automobile nozzle connecting hose according to claim 4, wherein a sealing gasket (19) is clamped between the upper end of the nozzle (6) and the sealing plate (10).

6. The device for testing the connecting hose of the automobile nozzle according to claim 5, wherein the fixing ring (20) is fixedly connected to the lower end of the sealing plate (10), and the fixing ring (20) is clamped inside the upper end of the nozzle (6).