CN210442063U

CN210442063U - Valve gas tightness detection device

Info

Publication number: CN210442063U
Application number: CN201921801613.XU
Authority: CN
Inventors: 赵宝国; 杨小明; 薛瑞秋; 张焕召; 吴妍
Original assignee: Suzhou Chuangchi Testing Technology Co Ltd
Current assignee: Suzhou Chuangchi Testing Technology Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-01
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a valve gas tightness detection device relates to gas tightness detection device's technical field, aims at solving the problem of the valve gas tightness of the different specifications of unable adaptation. Its technical scheme main points are, including examining test table and instrument desk, the instrument desk is located examines test table top, examines test table top opening and inside formation storing chamber, and the storing intracavity is equipped with the air supply, and the air supply is connected with the outlet duct, is equipped with the manometer on the instrument desk, and the manometer is connected with the outlet duct, examines test table top and is equipped with the support base along its width direction, is equipped with the backup pad along vertical direction on the support base, wears to be equipped with the different supported holes of bore along its thickness direction in the backup pad. The valve with different specifications is fixed, and the effect of detecting the air tightness of the valve with different specifications is achieved.

Description

Valve gas tightness detection device

Technical Field

The utility model belongs to the technical field of gas tightness detection device's technique and specifically relates to a valve gas tightness detection device is related to.

Background

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. Valves used for fluid control range from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, ranging in variety and specification from the very tiny instrument valves up to industrial pipeline valves with nominal diameters of up to 10 m. The sealing performance of the valve is a very important function of the quality of the valve, and almost all valve product standards use the airtightness of the valve as a very important detection control item. Therefore, in order to ensure the product quality, further air tightness detection needs to be carried out on the purchased valve during production and use. Because the airtightness of valves of various models needs to be detected, an airtightness detection device which can adapt to the specifications of the valves of various models is needed.

Chinese patent with publication number CN203587289U discloses a device for detecting the air tightness of a valve, which comprises a water tank, wherein a support seat is fixed in the water tank, an L-shaped groove for placing the valve is arranged on the support seat, a cylinder is installed in the water tank opposite to one side edge of the L-shaped groove, an annular rubber pad is fixed at the end of a piston rod of the cylinder, a hollow annular plate is fixed at the other side of the L-shaped groove opposite to the notch of the L-shaped groove, a rubber pad is fixed on the hollow annular plate, and the annular rubber pad and the rubber pad are used for propping against valve ports at two ends of the valve in the L-; an air inlet pipe is communicated with the inside of the hollow annular vertical plate, an air hole communicated with the inside of the hollow annular plate is formed in the rubber pad on the annular vertical plate, and the air hole faces to one end opening of the valve along with the rubber pad. According to the scheme, the water tank is internally provided with the L-shaped groove for positioning the valve, and the rubber pad for automatically blocking the valve port is arranged, so that the automatic air inlet operation inspection can be realized.

In order to avoid external interference when the valve detects the air tightness, the valve needs to be fixed and then the air tightness is detected, but the size and the shape of the L-shaped groove are fixed and cannot be adjusted according to the tested valve specification, so that the valve cannot be adapted to valves with different specifications and cannot be subjected to air tightness detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a valve gas tightness detection device, it has the valve with different specifications and fixes, reaches the effect that carries out the gas tightness to the valve of different specifications and detects.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a valve gas tightness detection device, includes test table and instrument desk, the instrument desk is located the test table top, test table top opening and inside formation storing chamber, the storing intracavity is equipped with the air supply, the air supply is connected with the outlet duct, be equipped with the manometer on the instrument desk, the manometer is connected with the outlet duct, it is equipped with the support base along its width direction to detect the bench top, be equipped with the backup pad along vertical direction on the support base, wear to be equipped with the different supported holes of bore along its thickness direction in the backup pad.

Through adopting above-mentioned technical scheme, be equipped with the supported hole of different bores in the backup pad, be convenient for with the export one end card of the valve that needs detect corresponding bore in the supported hole of backup pad, the outlet duct is connected again to import one end, can carry out valve gas tightness test, the supported hole of different bores can the different specifications of adaptation pneumatic valve, reaches the effect of carrying out the gas tightness to the valve of different specifications and detects.

The utility model discloses further set up to: a plurality of locking grooves have been seted up along its circumference on the holding up hole inside wall, and is a plurality of all there is the locking lever, a plurality of its degree of depth direction sliding connection along its depth direction in the locking groove all be equipped with the elastic component along its degree of depth direction in the locking groove, elastic component one end and locking groove diapire fixed connection, the one end fixed connection of the other end and locking lever, the length sum of elastic component and locking lever is greater than the degree of depth of locking groove.

Through adopting above-mentioned technical scheme, the setting of locking lever and elastic component can carry out further fixed to the valve in the supported hole, strengthens the relation of connection of valve and supported hole for gas tightness detection work can go on smoothly.

The utility model discloses further set up to: and arc-shaped plates are arranged at the end parts of the locking rods, which extend out of the locking grooves.

Through adopting above-mentioned technical scheme, the area of contact of locking lever tip and valve can be increased in the setting of arc for the locking lever can be better fix the valve.

The utility model discloses further set up to: elastic pads are paved on the outer side wall of one end, far away from the locking rod (32), of the arc-shaped plates.

Through adopting above-mentioned technical scheme, the elastic pad setting can avoid the locking lever to cause the damage to the valve, simultaneously because the elastic pad has elasticity, can take place deformation after the elastic pad contacts with the valve, can make the tip of locking lever fully contact with the valve, has consolidated the relation of connection in valve and supported hole, can make the gas tightness of valve detect stably go on.

The utility model discloses further set up to: the locking device is characterized in that a limiting groove is formed in the groove wall of the locking groove along the depth direction of the locking groove, and a sliding block in sliding fit with the limiting groove is arranged on the locking rod.

Through adopting above-mentioned technical scheme, the setting of spacing groove and slider plays limiting displacement to the locking lever, prevents that the locking lever from breaking away from the locking groove.

The utility model discloses further set up to: the air supply is connected with a plurality of air outlet pipes, and the pressure gauge is provided with a plurality of air outlet pipes respectively connected with the air outlet pipes.

Through adopting above-mentioned technical scheme, the setting of a plurality of outlet ducts can cooperate the backup pad to detect the valve of a plurality of different specifications simultaneously, promotes detection efficiency, and a plurality of manometers can show the gas pressure of the valve in the detection in real time, and then judge the gas tightness of valve.

The utility model discloses further set up to: the utility model discloses a detection bench top, including detection bench top width direction, detection bench top, two be equipped with two and be used for its open-top confined elastic cloth along its length direction evenly distributed at both ends of detection bench top width direction, two elastic cloth one end is connected with the both ends of detecting bench top length direction respectively, the equal fixedly connected with stationary blade of the other end, two all be equipped with the connecting hole that corresponds with the fixed orifices on the both ends of stationary blade, the common threaded connection of fixed orifices and connecting hole has fixing bolt.

Through adopting above-mentioned technical scheme, the setting of elastic cloth can be sealed the opening that detects the bench top, and the safety of the equipment of protection storing intracavity reduces the damage of external factor to the instrument in the storing intracavity, prolongs the life of equipment.

The utility model discloses further set up to: the bottom of the detection table is provided with a plurality of universal wheels along the circumferential direction.

Through adopting above-mentioned technical scheme, this detection device is convenient for remove in the setting of universal wheel, can change the detection place in a flexible way.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the supporting plate and the supporting holes, the supporting holes with different calibers can be matched with air valves with different specifications, so that the effect of carrying out air tightness detection on the valves with different specifications is achieved;

2. through the arrangement of the locking groove, the elastic piece and the locking rod, the valve in the supporting hole can be further fixed, the connection relation between the valve and the supporting hole is strengthened, and the air tightness detection work can be smoothly carried out;

3. through the arrangement of the elastic cloth and the fixing holes, the opening at the top of the detection table can be sealed through the arrangement of the elastic cloth, so that the safety of equipment in the storage cavity is protected, the damage of external factors to instruments in the storage cavity is reduced, and the service life of the equipment is prolonged; the fixed block can be fixed conveniently by the aid of the fixed holes, and the fixed block can also be used for fixing and supporting the base.

Drawings

Fig. 1 is a schematic structural diagram of a body for embodying an overall structure according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a storage chamber according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a support base and a support plate according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a support hole according to an embodiment of the present invention.

In the figure, 1, a detection table; 11. a storage chamber; 12. a gas source; 13. an air outlet pipe; 14. a universal wheel; 15. a fixing hole; 151. fixing the bolt; 16. an elastic cloth; 161. a fixing sheet; 162. connecting holes; 17. a support base; 171. a support plate; 172. a locking hole; 2. an instrument desk; 21. a pressure gauge; 3. a support hole; 31. a locking groove; 311. a limiting groove; 312. an elastic member; 32. a locking lever; 321. a slider; 33. an arc-shaped plate; 331. an elastic pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a valve gas tightness detection device, including examining test table 1 and instrument desk 2, examine test table 1 and instrument desk 2 whole and all be the cuboid, instrument desk 2 is located and examines test table 1 top, examines test table 1 bottom and is equipped with a plurality of universal wheels 14 along its circumference, is convenient for remove and examines test table 1, can change the detection place in a flexible way. The top end of the detection table 1 is opened, a storage cavity 11 is formed inside the detection table, an air source 12 is arranged in the storage cavity 11, and in the embodiment, the air source 12 is an air compressor; the gas source 12 is connected with an air outlet pipe 13, the end part of the air outlet pipe 13 is fixedly connected with a valve to be detected, a pressure gauge 21 is arranged on the instrument desk 2, the pressure gauge 21 is connected with the air outlet pipe 13, and the pressure gauge 21 is used for displaying the air pressure of the air outlet pipe 13 and the valve so as to judge the air tightness of the valve.

Referring to fig. 1 and 2, it has a plurality of fixed orificess 15 to examine the both ends of 1 top width direction of test table along its length direction evenly distributed, it is equipped with two and is used for its open-top confined elasticity cloth 16 to examine test table 1 top, two elasticity cloth 16 one ends are connected with the both ends of examining test table 1 top length direction respectively, the equal fixedly connected with stationary blade 161 of the other end, all be equipped with the connecting hole 162 that corresponds with fixed orifices 15 on two stationary blades 161, the common threaded connection of fixed orifices 15 and connecting hole 162 has fixing bolt 151. The elastic cloth 16 is arranged to seal the opening at the top of the detection table 1, so that the safety of the equipment in the storage cavity 11 is protected, the damage of external factors to instruments in the storage cavity 11 is reduced, and the service life of the equipment is prolonged.

Referring to fig. 1 and 3, the top end of the inspection table 1 is provided with a supporting base 17 along the width direction thereof, two ends of the supporting plate 171 are respectively provided with a locking hole 172 corresponding to the fixing hole 15, the fixing hole 15 and the locking hole 172 are also connected with a fixing bolt 151 together, and the fixing bolt 151 enables the supporting base 17 to be detachably connected with the top of the inspection table 1. The supporting base 17 is provided with a supporting plate 171 along the vertical direction, and the supporting plate 171 is provided with supporting holes 3 with different calibers along the thickness direction. The supporting holes 3 with different calibers are convenient for embedding one end of the valve to be detected into the supporting hole 3 with the corresponding caliber in the supporting plate 171, the other end of the valve is connected with the upper air outlet pipe 13, the air tightness test of the valve can be carried out, the supporting holes 3 with different calibers can be matched with the valves with different specifications, and the effect of air tightness detection of the valves with different specifications is achieved. And air supply 12 is connected with a plurality of outlet ducts 13, and manometer 21 is equipped with a plurality ofly and is connected with outlet duct 13 respectively, can cooperate backup pad 171 to detect the valve of a plurality of different specifications simultaneously, promotes detection efficiency, and a plurality of manometers 21 can show the gas pressure of the valve in the detection in real time, are convenient for judge the gas tightness of valve.

Referring to fig. 3 and 4, support and seted up a plurality of locking grooves 31 along its circumference on the hole 3 inside wall, all have locking lever 32 along its depth direction sliding connection in a plurality of locking grooves 31, all be equipped with elastic component 312 along its depth direction in a plurality of locking grooves 31, elastic component 312 one end and locking groove 31 diapire fixed connection, the one end fixed connection of the other end and locking lever 32, the length sum of elastic component 312 and locking lever 32 is greater than the degree of depth that locks groove 31. In this embodiment, the elastic member 312 is preferably a spring. The locking rod 32 and the elastic member 312 are arranged to further fix the valve in the support hole 3, so as to strengthen the connection relationship between the valve and the support hole 3, and the air tightness detection can be smoothly performed. The groove wall of the locking groove 31 is provided with a limiting groove 311 along the depth direction, the locking rod 32 is provided with a sliding block 321 which is in sliding fit with the limiting groove 311, the limiting groove 311 and the sliding block 321 are arranged to limit the locking rod 32, and the locking rod 32 is prevented from being separated from the locking groove 31.

Referring to fig. 4, the end portions of the locking levers 32 protruding out of the locking grooves 31 are provided with arc plates 33, and the arrangement of the arc plates 33 can increase the contact area between the end portions of the locking levers 32 and the valve, so that the locking levers 32 can better fix the valve. All lay cushion 331 on the cell wall of a plurality of arcs 33, in this embodiment, cushion 331 is preferably the foam-rubber cushion, cushion 331 sets up and can avoid locking lever 32 to cause the damage to the valve, simultaneously because cushion 331 has elasticity, deformation can take place after cushion 331 and the valve contact, can make the tip of locking lever 32 can fully contact with the valve, valve and supporting hole 3's relation of connection has been consolidated, make the valve be in fixed state through supporting hole 3, can make the gas tightness of valve detect stably and go on.

The specific implementation process comprises the following steps: when the valve needs to be detected, one end of the valve outlet extends into the supporting hole 3 with the corresponding caliber in the supporting plate 171, the lower end part of the locking rod 32 in the supporting hole 3 is abutted to the valve under the action of the elastic part 312, the arc plate 33 at the end part of the locking rod 32 fixes the valve, the elastic pad 331 on the arc plate 33 is abutted to the valve, and the elastic pad 331 has elasticity and can adapt to the external shape of the valve, so that the arc plate 33 is more firmly connected with the outside of the valve.

Then, one end of the valve for air inlet is connected with an air outlet pipe 13, the air outlet pipe 13 introduces air with certain pressure to the valve in a closed state, the pressure is maintained for a period of time, whether the pressure is reduced is observed through a pressure gauge 21, and then the air tightness of the product is judged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a valve gas tightness detection device, is including examining test table (1) and instrument desk (2), instrument desk (2) are located and examine test table (1) top, its characterized in that: detect platform (1) top end opening and inside storing chamber (11) that forms, be equipped with air supply (12) in storing chamber (11), air supply (12) are connected with outlet duct (13), be equipped with manometer (21) on instrument desk (2), manometer (21) are connected with outlet duct (13), it is equipped with support base (17) along its width direction to detect platform (1) top, be equipped with backup pad (171) along vertical direction on support base (17), supporting hole (3) that the bore is different are worn to be equipped with along its thickness direction on backup pad (171).

2. The valve airtightness detection apparatus according to claim 1, wherein: support and seted up a plurality of locking grooves (31) along its circumference on hole (3) inside wall, it is a plurality of all have locking lever (32), a plurality of along its depth direction sliding connection in locking groove (31) all be equipped with elastic component (312) along its depth direction in locking groove (31), elastic component (312) one end and locking groove (31) diapire fixed connection, the one end fixed connection of the other end and locking lever (32), the length sum of elastic component (312) and locking lever (32) is greater than the degree of depth of locking groove (31).

3. The valve airtightness detection apparatus according to claim 2, wherein: the end parts of the locking rods (32) extending out of the locking grooves (31) are provided with arc-shaped plates (33).

4. A valve airtightness detection apparatus according to claim 3, wherein: elastic pads (331) are respectively paved on the outer side wall of one end of the arc-shaped plates (33) far away from the locking rod (32).

5. The valve airtightness detection apparatus according to claim 2, wherein: the locking device is characterized in that a limiting groove (311) is formed in the groove wall of the locking groove (31) along the depth direction of the groove wall, and a sliding block (321) in sliding fit with the limiting groove (311) is arranged on the locking rod (32).

6. The valve airtightness detection apparatus according to claim 1, wherein: the gas source (12) is connected with a plurality of air outlet pipes (13), and the pressure gauge (21) is provided with a plurality of air outlet pipes which are respectively connected with the air outlet pipes (13).

7. The valve airtightness detection apparatus according to claim 1, wherein: it has a plurality of fixed orificess (15) to examine test table (1) top width direction's both ends along its length direction evenly distributed, it is equipped with two and is used for with its open-top portion confined elasticity cloth (16) to examine test table (1) top, two elasticity cloth (16) one end is connected with the both ends of examining test table (1) top length direction respectively, the equal fixedly connected with stationary blade of the other end (161), two all be equipped with connecting hole (162) that correspond with fixed orifices (15) on the both ends of stationary blade (161), common threaded connection has fixing bolt (151) in fixed orifices (15) and connecting hole (162).

8. The valve airtightness detection apparatus according to claim 1, wherein: the bottom of the detection table (1) is provided with a plurality of universal wheels (14) along the circumferential direction.