CN213068108U - Air tightness detection device - Google Patents

Abstract

The utility model discloses a gas tightness detection device, which comprises a machine table, wherein the machine table is provided with a through hole which is vertically penetrated, the machine table below the through hole is provided with a gas inlet barrel, the lower end of the gas inlet barrel is closed, the gas inlet barrel is provided with a gas inlet, the inner wall of the upper part of the gas inlet barrel is provided with a step-shaped fixed ring groove, the fixed ring groove can support valves with different specifications, and the machine tables at the left side and the right side of the through hole are provided with fixed components which can fix the valves, the utility model has the characteristics of simple and reasonable structure and can be suitable for the valves with different specifications, compared with the prior art, the valves with different sizes can be inserted on the fixed ring grooves with different grades through the step-shaped fixed ring groove, then the valves are pressed from top to bottom through the fixed components, the valve fixation and the lower end closure can be realized, at, the pressure numerical value of cooperation manometer can detect the leakproofness of valve promptly, and simple structure accords with the production demand.

Description

Air tightness detection device

Technical Field

The utility model relates to an air tightness check out test set.

Background

After the valve is manufactured, the tightness of the valve needs to be tested, the valve is guaranteed to be intact, and the problem of leakage is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an airtightness detection device.

According to the gas tightness check out test set of this purpose design, including the board be equipped with the through-hole that runs through from top to bottom on the board be equipped with the bucket of admitting air on the board of through-hole below the bucket lower extreme that admits air seals be equipped with the air inlet on the bucket it is equipped with the fixed annular of echelonment to admit air bucket upper portion inner wall, the valve of different specifications of fixed annular ability bearing be equipped with on the board of the through-hole left and right sides and can carry out the fixed subassembly that fixes with the valve.

Further, fixed subassembly sets up the guide way on the board up end respectively including the front and back the board left and right sides is equipped with respectively and removes the frame remove to be equipped with the subassembly that compresses tightly the valve from top to bottom on the frame be equipped with the removal subassembly that can drive two removal frame relative movement on the board.

Furthermore, the compressing assembly comprises a longitudinal guide groove arranged on the moving frame, a mounting plate is movably mounted in the longitudinal guide groove, an air cylinder is mounted on the moving frame above the mounting plate, the mounting plate is fixed on an air cylinder shaft of the air cylinder, and a jacking part is mounted on the mounting plate and used for jacking the valve.

Furthermore, the jacking part comprises a jacking plate which is detachably mounted on the mounting plate, and the end face, close to the through hole, of the jacking plate is an arc-shaped face.

Furthermore, the jacking part also comprises a connecting plate which is detachably arranged on the jacking plate, and the connecting plate is provided with an arc jacking plate.

Furthermore, the moving assembly comprises a fixed rod installed on a machine table, a first motor is installed on the fixed rod, a first bevel gear is installed on a motor shaft of the first motor, first lead screws are movably inserted into the machine table on the left side and the right side of the first motor, lead screw nuts are connected to the first lead screws in a threaded mode, a connecting frame is arranged on the moving frame and fixed on the lead screw nuts, a second bevel gear is arranged at the end, close to the first bevel gear, of each first lead screw, and the second bevel gear is meshed with the first bevel gear.

The utility model has the characteristics of simple structure is reasonable, can be suitable for the valve of different specifications, compare with prior art, can peg graft not unidimensional valve on the fixed annular of different grades through the fixed annular of echelonment, then compress tightly the valve from top to bottom through fixed subassembly, can realize fixing the valve and the lower extreme seals, only need the inlet port to connect the air compressor machine this moment and aerify, the leakproofness of detectable valve is promptly to the pressure numerical value of cooperation manometer, simple structure accords with the production demand.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-3, an air tightness detecting device comprises a machine table 1, a through hole 101 penetrating through the machine table 1 from top to bottom is arranged on the machine table 1, an air inlet barrel 11 is arranged on the machine table 1 below the through hole 101, the lower end of the air inlet barrel 11 is sealed, an air inlet 120 is arranged on the air inlet barrel 11, a stepped fixing ring groove 110 is arranged on the inner wall of the upper portion of the air inlet barrel 11, the fixing ring groove 110 can support valves 100 of different specifications, fixing components 2 capable of fixing the valves 100 are arranged on the machine table 1 on the left side and the right side of the through hole 101, the air tightness detecting device has the characteristics of simple and reasonable structure and applicability to valves of different specifications, compared with the prior art, the valves of different sizes can be inserted into the fixing ring grooves of different levels through the stepped fixing ring groove, then the valves are pressed downwards through the fixing components, the valve fixing and the lower end of the valves, only need the air inlet at this moment to connect the air compressor machine and aerify, the leakproofness of detectable valve promptly can be cooperated to the pressure numerical value of manometer, and simple structure accords with the production demand.

Referring to fig. 1 to 3, a sealing ring is disposed on the fixing ring groove 110 to further enhance the sealing effect, prevent air leakage, meet the use requirement, and ensure the accuracy of the test result.

Referring to fig. 1-3, the fixed component 2 includes a guide groove 10 respectively disposed on the upper end surface of the machine table 1 in the front and back directions, the left and right sides of the machine table 1 are respectively provided with a movable frame 20, the movable frame 20 is provided with a pressing component 3 capable of pressing the valve 100 from top to bottom, the machine table 1 is provided with a movable component 4 capable of driving the two movable frames 20 to move relatively, the movable component drives the movable frame to move, the position of the pressing component is adjusted according to the width of the valve, the structure is simple, the pressing effect is good, the valve pressing device is suitable for valves 100 of different sizes, and the use requirements are met.

Referring to fig. 1-3, the pressing assembly 3 includes a longitudinal guide slot 21 disposed on the movable frame 20, a mounting plate 33 is movably mounted in the longitudinal guide slot 21, an air cylinder 31 is mounted on the movable frame 20 above the mounting plate 33, the mounting plate 33 is fixed on an air cylinder shaft of the air cylinder 31, a pressing member 300 is mounted on the mounting plate 33, the pressing member 300 is used for pressing the valve 100 tightly, the pressing member is driven by the air cylinder to move up and down, so that the pressing of the valve is realized, the lower portion of the valve is attached to the fixed ring slot to form a seal, the test is facilitated, and the use requirements are met.

Referring to fig. 1-3, the top pressing member 300 includes a top pressing plate 32 detachably mounted on the mounting plate 33, the end surface of the top pressing plate 32 close to the through hole 101 is an arc-shaped surface, the arc-shaped surface can be attached to the outer wall of the valve, the valve can be pressed by the left top pressing plate and the right top pressing plate, annular top pressing can be achieved, the sealing effect is better, the top pressing plates can be detachably mounted, the top pressing plates with different sizes can be replaced according to the valves with different sizes, and the use requirements are met.

Referring to fig. 1-3, the pressing member 300 further includes a connecting plate 35 detachably mounted on the pressing plate 32, the connecting plate 35 is provided with an arc-shaped pressing plate 34, the arc-shaped pressing plate is detachably mounted, so that the arc-shaped pressing plates with different sizes can be replaced according to different valves to press and fix the valves, the structure is simple, and the use requirements are met.

Referring to fig. 1 to 3, the moving assembly 4 includes a fixed rod 41 installed on the machine table 1, a first motor 42 is installed on the fixed rod 41, a first bevel gear 44 is installed on a motor shaft of the first motor 42, first screws 43 are movably inserted into the machine table 1 on the left and right sides of the first motor 42, screw nuts 46 are connected to the first screws 43 in a threaded manner, a connecting frame 48 is arranged on the moving frame 20, the connecting frame 48 is fixed on the screw nuts 46, second bevel gears 45 are arranged on ends of the first screws 43 close to the first bevel gears 44, the second bevel gears 45 are engaged with the first bevel gears 44, the first motor drives the first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the screw rods drive the nuts to move, and thereby drive the connecting frame to drive the moving frame to move, simple structure, the drive is convenient, accords with the user demand.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an air tightness check out test set, including board (1) be equipped with through-hole (101) that run through from top to bottom on board (1) be equipped with air intake bucket (11) on board (1) of through-hole (101) below air intake bucket (11) lower extreme seals be equipped with air inlet (120), its characterized in that on air intake bucket (11): air inlet bucket (11) upper portion inner wall is equipped with fixed annular (110) of echelonment, fixed annular (110) can bear valve (100) of different specifications be equipped with on board (1) of through-hole (101) the left and right sides and can carry out fixed subassembly (2) fixed with valve (100).

2. The airtightness detection apparatus according to claim 1, wherein: fixed subassembly (2) set up guide way (10) on board (1) up end respectively including the front and back board (1) left and right sides is equipped with respectively and removes frame (20) be equipped with on removing frame (20) can compress tightly valve (100) from top to bottom compress tightly subassembly (3) be equipped with on board (1) and drive two removal frame (20) relative movement's removal subassembly (4).

3. The airtightness detection apparatus according to claim 2, wherein: the pressing assembly (3) comprises a longitudinal guide groove (21) arranged on a moving frame (20), a mounting plate (33) is movably mounted in the longitudinal guide groove (21), an air cylinder (31) is mounted on the moving frame (20) above the mounting plate (33), the mounting plate (33) is fixed on an air cylinder shaft of the air cylinder (31), a pressing piece (300) is mounted on the mounting plate (33), and the pressing piece (300) is used for pressing the valve (100) tightly.

4. A tightness detection device according to claim 3, characterized in that: the jacking member (300) comprises a jacking plate (32) which is detachably mounted on the mounting plate (33), and the end face, close to the through hole (101), of the jacking plate (32) is an arc-shaped face.

5. The airtightness detection apparatus according to claim 4, wherein: the jacking member (300) further comprises a connecting plate (35) detachably mounted on the jacking plate (32), and an arc jacking plate (34) is arranged on the connecting plate (35).

6. An airtightness detection apparatus according to any one of claims 2 to 5, wherein: the moving assembly (4) comprises a fixing rod (41) installed on a machine table (1), a first motor (42) is installed on the fixing rod (41), a first bevel gear (44) is installed on a motor shaft of the first motor (42), first lead screws (43) are movably inserted into the machine table (1) on the left side and the right side of the first motor (42), lead screw nuts (46) are connected onto the first lead screws (43) in a threaded mode, a connecting frame (48) is arranged on the moving frame (20), the connecting frame (48) is fixed onto the lead screw nuts (46), a second bevel gear (45) is arranged at the end, close to the first bevel gear (44), of each first lead screw (43), and the second bevel gear (45) is meshed with the first bevel gear (44).

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