Inner tube air tightness detection device

Abstract

The utility model discloses an inner tube air tightness detection device, which relates to the technical field of air tightness detection and comprises a bottom plate, a pressure hydraulic rod is arranged in the middle of the bottom plate in a penetrating manner, through grooves are formed in the bottom plate and in the four directions of the pressure hydraulic rod, sliding rods are arranged on the lower surface of the bottom plate and on the two sides of the through grooves, and the sliding rods are connected with the pressure hydraulic rod. Sliding blocks are slidably connected between the sliding rods on the two sides, stretching hydraulic rods are arranged on the lower surface of the bottom plate and located at the outer side ends of the sliding blocks, the sliding blocks are fixedly connected with the movable ends of the stretching hydraulic rods, stretching plates are arranged on the upper surfaces of the four sliding blocks, and pressure plates are arranged at the upper ends of the pressure hydraulic rods. Grooves are formed in the positions, corresponding to the stretching plates, of the pressure plate in the four directions, the upper ends of the stretching plates penetrate through the pressure plate through the grooves, a detection device is designed to apply pressure to the inner tube, the situation of small leakage missing detection is avoided, and the quality consistency of inner tube products is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness detection technical field, concretely relates to a tube inner airtightness detection device. BACKGROUND

[0002] The tube inner airtightness detection device is professional equipment for detecting whether the inner tube has the air leakage phenomenon, which is mainly composed of a sealed cavity, an inflation system, a detection system and the like, the inner tube is placed in the sealed cavity and sealed, and the inflation system inflates a certain pressure gas into the inner tube. The detection system adopts a high-precision sensor to monitor the air pressure change in the sealed cavity in real time. If the inner tube has air leakage, the air pressure in the sealed cavity will change, and the detection system can quickly capture this change and intuitively display the detection result on the display screen to accurately judge whether the inner tube airtightness is good. It is simple and efficient to operate and detect, and effectively guarantees the quality of the inner tube. In the traditional inner tube airtightness detection operation, after connecting the inflation and detection port to the inner tube air nozzle, the air pressure of the inner tube is detected by static detection to detect the airtightness, which may miss the detection of small leakage and affect the quality consistency of the inner tube product. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a tube inner airtightness detection device to solve the problem of the traditional inner tube airtightness detection operation, which connects the inflation and detection port to the inner tube air nozzle and detects the airtightness by static detection of the inner tube air pressure, and misses the detection of small leakage, which affects the quality consistency of the inner tube product.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a tube inner airtightness detection device, including the bottom plate, the middle position of bottom plate is equipped with the pressure hydraulic rod, and the bottom plate is equipped with the through slot in four directions of pressure hydraulic rod, the lower surface of bottom plate and both sides of through slot are equipped with the sliding rod, the sliding block of both sides sliding rod is connected, the lower surface of bottom plate and the outside end of sliding block are equipped with the stretch hydraulic rod, the movable end of stretch hydraulic rod is fixedly connected with sliding block, and the upper surface of four sliding blocks is equipped with the stretch plate, the upper end of pressure hydraulic rod is equipped with the pressure plate, and the pressure plate is equipped with the slot in the corresponding position of four directions with stretch plate, and the upper end of stretch plate penetrates pressure plate through the slot.

[0005] Preferably, the lower surface of the bottom plate is provided with a connecting seat at the position corresponding to the sliding rod, and the sliding rod is fixedly connected with the lower surface of the bottom plate through the connecting seat. The stretch hydraulic rod is fixed on the outer connecting seat through bolts.

[0006] Preferably, the number of the grooves is four, and the four grooves form a discontinuous ring structure.

[0007] Preferably, the upper end of the pressure hydraulic rod is provided with a fixing nut through screw connection, and the fixing nut abuts against the upper surface of the pressure plate.

[0008] Preferably, a fixing edge is arranged at the middle position of the outer surface of the pressure hydraulic rod, and the fixing edge is fixedly connected with the bottom plate through bolts.

[0009] Compared with the prior art, the utility model has the beneficial effects that: on the basis of the traditional air inflation and detection port connected to the inner tube air nozzle to carry out the inner tube air tightness detection operation, the detection device is designed to press the inner tube, the air tightness is detected instead of the static mode, the situation of missing detection of slight leakage is avoided, and the quality consistency of the inner tube product is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the main structure of the utility model axonometric view;

[0011] Figure 2 It is the main structure of the utility model axonometric view;

[0012] Figure 3 It is the main structure of the utility model axonometric view;

[0013] Figure 4 It is the main structure of the utility model axonometric view;

[0014] Figure 5 It is the main structure of the utility model axonometric view.

[0015] In the drawing: 1-bottom plate, 2-pressure hydraulic rod, 3-through slot, 4-sliding rod, 5-sliding block, 6-stretching hydraulic rod, 7-stretching plate, 8-pressure plate, 9-groove, 10-connection seat, 11-strengthening edge, 12-fixing nut, 13-fixing edge. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1-5The utility model provides a kind of inner tube air tightness detection device, including bottom plate 1, the middle position of bottom plate 1 is penetrated with pressure hydraulic rod 2, and the four directions of pressure hydraulic rod 2 are all provided with through slot 3 on bottom plate 1, the lower surface of bottom plate 1 and the both sides of through slot 3 are equipped with slide bar 4, and the both sides of slide bar 4 are slidably connected with sliding block 5, the lower surface of bottom plate 1 and the outside end of sliding block 5 are equipped with stretch hydraulic rod 6, and the movable end of stretch hydraulic rod 6 is fixedly connected with sliding block 5, and the upper surface of four sliding blocks 5 is equipped with stretch plate 7, the upper end of pressure hydraulic rod 2 is equipped with pressure plate 8, the position corresponding with stretch plate 7 in the four directions of pressure plate 8 is equipped with slot 9, and the upper end of stretch plate 7 is penetrated through pressure plate 8 by slot 9.

[0018] When using, stretch hydraulic rod 6 extends, sliding block 5 is moved to the middle position of bottom plate 1 under the restriction of slide bar 4, sliding block 5 carries stretch plate 7 and moves to the middle position of bottom plate 1 along through slot 3, so that four stretch plates 7 are close to each other, the inner tube to be stretched is connected to the outside of four stretch plates 7, then the inflation and detection port of air tightness detection device is connected to the inner tube air nozzle, the inner tube is inflated, after inflation, stretch hydraulic rod 6 is retracted, sliding block 5 is moved to the outside of bottom plate 1 under the restriction of slide bar 4, sliding block 5 carries stretch plate 7 and moves to the outside of bottom plate 1 along through slot 3, so that four stretch plates 7 are away from each other, the inner tube is stretched and fixed, then pressure plate 8 is arranged to the upper end of pressure hydraulic rod 2, pressure hydraulic rod 2 is retracted, and pressure plate 8 is moved downward, at this time, stretch plate 7 is penetrated through pressure plate 8 by slot 9, the inner tube is pressed and the pressure is kept constant by the downward movement of pressure plate 8, at this time, detection is carried out through the detection port of air tightness detection device, so that the high-pressure air tightness detection of inner tube is completed.

[0019] The lower surface of bottom plate 1 is equipped with connecting seat 10 at the position corresponding with slide bar 4, and slide bar 4 is fixedly connected with the lower surface of bottom plate 1 through connecting seat 10, and stretch hydraulic rod 6 is fixed on the outside connecting seat 10 through bolt, and slide bar 4 is fixedly arranged to the lower end of bottom plate 1 through connecting seat 10, so that sliding block 5 is slidably connected to the lower end of bottom plate 1.

[0020] The number of slot 9 is four, and four slot 9 constitutes intermittent ring structure, and the upper surface of pressure plate 8 and between four slot 9 is equipped with reinforcing edge 11, the overall strength of pressure plate 8 is improved by arranging reinforcing edge 11, and deformation under pressure is avoided.

[0021] The upper end of the pressure hydraulic rod 2 is threadedly connected with a fixing nut 12, the fixing nut 12 abuts against the upper surface of the pressure plate 8, and the pressure plate 8 is fixedly arranged on the upper end of the pressure hydraulic rod 2 through the thread connection of the fixing nut 12 and the pressure hydraulic rod 2.

[0022] The middle position of the outer surface of the pressure hydraulic rod 2 is provided with a fixing edge 13, the fixing edge 13 is fixedly connected with the bottom plate 1 through a bolt, and the pressure hydraulic rod 2 is fixedly arranged on the bottom plate 1 through the bolt connection of the fixing edge 13 and the bottom plate 1.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An inner tube air tightness detection device, characterized in that: The utility model relates to a kind of hydraulic pressure stretching device, including bottom plate (1), the middle position of the bottom plate (1) is equipped with pressure hydraulic rod (2), and the bottom plate (1) is opened with through slot (3) at the four directions of the pressure hydraulic rod (2), the lower surface of the bottom plate (1) and at the both sides of the through slot (3) is equipped with slide bar (4), the slide bar (4) between both sides is slidably connected with sliding block (5), the lower surface of the bottom plate (1) and at the outside end of the sliding block (5) is equipped with stretching hydraulic rod (6), the sliding block (5) is fixedly connected with the movable end of the stretching hydraulic rod (6), the upper surface of four sliding blocks (5) is equipped with stretching plate (7), the upper end of the pressure hydraulic rod (2) is equipped with pressure plate (8), the four directions of the pressure plate (8) are opened with slot (9) in the position corresponding with the stretching plate (7), and the upper end of the stretching plate (7) is penetrated through the pressure plate (8) by the slot (9).

2. The inner tube air tightness detection device according to claim 1, characterized in that: The lower surface of the bottom plate (1) is equipped with connecting seat (10) in the position corresponding with the slide bar (4), and the slide bar (4) is fixedly connected with the lower surface of the bottom plate (1) by the connecting seat (10), and the stretching hydraulic rod (6) is fixed on outside connecting seat (10) by bolt.

3. The inner tube air tightness detection device according to claim 1, characterized in that: The number of the slot (9) is four, and four slot (9) constitutes intermittent ring structure, and the upper surface of the pressure plate (8) and between four slot (9) is equipped with reinforcing edge (11).

4. The inner tube air tightness detection device according to claim 1, characterized in that: The upper end of the pressure hydraulic rod (2) is connected with fixed nut (12) by screw thread, and the fixed nut (12) is on the upper surface of the pressure plate (8).

5. The inner tube air tightness detection device according to claim 1, characterized in that: The outer surface of the pressure hydraulic rod (2) is equipped with fixed edge (13) in middle position, and the fixed edge (13) is fixedly connected with the bottom plate (1) by bolt.

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