CN213068090U

CN213068090U - Air tightness detector

Info

Publication number: CN213068090U
Application number: CN202021863234.6U
Authority: CN
Inventors: 陈世伟; 王燕丽; 陈彪龙
Original assignee: Fujian Haiyang Valve Technology Co ltd
Current assignee: Fujian Haiyang Valve Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-27
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a gas tightness detects machine that structural design is reasonable, the operation is simple and easy, which comprises a frame, be provided with the basin in the frame, the basin top is provided with the installation pole, installation pole both ends set up in the frame, the cover is equipped with the sleeve on the installation pole, the sleeve both ends are provided with first stop device respectively, the tip is provided with the mounting bracket under the sleeve, the fixed first grip block that is provided with on mounting bracket one side, the slidable is provided with the second grip block, be provided with sealing device on first grip block, the second grip block respectively, the air current passageway has been seted up on the second grip block, air current passageway one end is linked together with outside valve body is inside, and the other end is linked together with outside air feeder, be provided with first drive arrangement on the mounting bracket, be provided with second drive arrangement in the frame.

Description

Air tightness detector

Technical Field

The utility model relates to a valve detects a mechanical technical field, in particular to gas tightness detects machine.

Background

In the manufacturing process of valve products, air tightness is one of the most important quality indexes, so that air tightness detection equipment of valves is basic production equipment of related enterprises. The current detection methods mainly include a visual inspection (bubble) method, an inflation simulation (pressure change) method and the like. The detection equipment adopting the visual inspection (bubble) method is simple and low in cost, and the air tightness of the valve can be determined by only inflating, soaking and observing bubbles, which is also a commonly adopted method; the adoption of the inflation simulation (pressure change) method needs the adoption of a professional pressure sensor, a pressure change indicating instrument or a microcontroller and the like, belongs to professional production equipment, and has higher cost.

Compared with the former two detection methods, the detection precision of the professional detection device adopting the inflation simulation (pressure change) method is high, the manual misjudgment can be avoided, but the air leakage position of the air-tightness air leakage valve body cannot be determined, so that the air leakage position can be determined only by repeated detection for many times in the detection process, the problem occurring step in the production process can be corrected in time, the time efficiency of determining the air leakage position is long, the efficiency is lower, the use of the visual inspection (bubble) method is wider compared, the air tightness of the detected valve can be determined, and the leakage point of the detected valve can be determined.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a structural design is reasonable, the simple and easy gas tightness of operation detects machine.

In order to solve the technical problem, the utility model discloses the gas tightness detects machine, which comprises a frame, be provided with the basin in the frame, the basin top is provided with the installation pole, installation pole both ends set up in the frame, rotatable cover is equipped with a plurality of sleeves on the installation pole, the sleeve both ends are provided with respectively and are used for the restriction the first stop device that the sleeve slided, the tip is provided with the mounting bracket under the sleeve, fixed first grip block that is provided with, the second grip block that can slide on mounting bracket one side, be provided with the sealing device who is used for sealed outside valve body on first grip block, the second grip block respectively, airflow channel has been seted up on the second grip block, airflow channel one end is linked together with outside valve body is inside, and the other end is linked together with outside air feeder, be provided with on the mounting bracket and be used for driving the second grip block slides to the first grip block of the outside valve body And the rack is provided with a second driving device for driving the mounting rack to rotate so that the first clamping block and the second clamping block extend into the water tank.

The further improvement is that: two adjusting screw rods are symmetrically arranged on the mounting frame, one ends of the adjusting screw rods penetrate through the mounting frame, two ends of the first clamping block penetrate through the other ends of the adjusting screw rods, and the adjusting screw rods are located at two ends of the mounting frame and at two ends of the first clamping block and are respectively provided with a second limiting device.

The further improvement is that: the first driving device is a first driving cylinder, a shell of the first driving cylinder is fixedly arranged on the mounting frame, and the second clamping block is fixedly arranged on a piston rod of the first driving cylinder.

The further improvement is that: the second driving device comprises a second driving cylinder and a driving rod, a shell of the second driving cylinder is vertically arranged on the rack, one end of the driving rod is fixedly connected with the mounting rack, and the other end of the driving rod is hinged to a piston rod of the second driving cylinder.

The further improvement is that: the first limiting device comprises a limiting block, and the limiting block is fixedly sleeved on the mounting rod.

The further improvement is that: the sealing device is an elastic sealing gasket, and the middle part of the elastic sealing gasket is fixedly arranged on the first clamping block or the second clamping block.

The further improvement is that: the second limiting device is a fastening nut, and the fastening nut is rotatably sleeved on the adjusting screw rod.

The further improvement is that: and the rack is provided with a control button for controlling the first driving cylinder and the second driving cylinder to work and reset.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses simple structure, the operation is convenient, and detection cost is low, can effectively detect the gas tightness of valve body, can audio-visually observe out the position of valve body gas leakage simultaneously, and the problem that which processing link appears is confirmed, gives preceding production and processing a concrete gas leakage feedback, and the enterprise of being convenient for in time revises wrong processing, improves the economic benefits of enterprise.

Drawings

Fig. 1 is a schematic front view of an air tightness detector according to an embodiment of the present invention.

Fig. 2 is the side view schematic structure diagram of the air tightness detector of the embodiment of the present invention.

Fig. 3 is a schematic top view of the air tightness detector according to the embodiment of the present invention.

Fig. 4 is an enlarged view of a portion of a structure at a position a in the airtightness testing machine according to the embodiment of the present invention shown in fig. 1.

Fig. 5 is an enlarged view of a portion of a structure at a position a in the airtightness testing machine according to the embodiment of the present invention shown in fig. 2.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, disclosed in an embodiment of the present invention is an air tightness detecting machine, including a frame 10, a water tank 11 is disposed on the frame 10, an installation rod 12 is disposed above the water tank 11, two ends of the installation rod 12 are disposed on the frame 10, four sleeves 13 are rotatably sleeved on the installation rod 12, two ends of each sleeve 13 are respectively provided with a first limiting device for limiting sliding movement of the sleeve 13, the first limiting device includes a limiting block 14, the limiting block 14 is fixedly sleeved on the installation rod 12, a mounting frame 9 is disposed at a lower end of the sleeve 13, a first clamping block 15 and a second clamping block 16 are fixedly disposed on one side of the mounting frame 9 and slidably disposed thereon, two adjusting screws 17 are symmetrically disposed on the mounting frame 9, one end of each adjusting screw 17 is disposed on the mounting frame 9, two ends of each first clamping block 15 are disposed on the other end of each adjusting screw 17, the adjusting screw rods are located at two ends of the mounting frame 9 and at two ends of the first clamping block 15, and second limiting devices are respectively arranged at the two ends of the mounting frame 9 and at the two ends of the first clamping block 15, the second limiting devices are fastening nuts 18, and the fastening nuts 18 are rotatably sleeved on the adjusting screw rods 17. The adjusting screw can adjust the distance between the first clamping block 15 and the second clamping block 16 according to the size of the clamped valve body, so that the sliding stroke of the second clamping block 16 is prevented from being too long, and the clamping efficiency is improved. The sealing device for sealing the external valve body is arranged on the first clamping block 15 and the second clamping block 16 respectively, the sealing device is an elastic sealing gasket 19, the middle part of the elastic sealing gasket 19 is fixedly arranged on the first clamping block 15 or the second clamping block 16, an air flow channel 20 is formed in the second clamping block 16, one end of the air flow channel 20 is communicated with the inside of the external valve body, the other end of the air flow channel is communicated with an external air supply device, a first driving device for driving the second clamping block 16 to slide towards the first clamping block 15 to clamp the external valve body is arranged on the mounting frame 9, the first driving device is a first driving cylinder 21, a shell of the first driving cylinder 21 is fixedly arranged on the mounting frame 9, and the second clamping block 16 is fixedly arranged on a piston rod of the first driving cylinder 21. Be provided with on the frame 10 and be used for the drive the mounting bracket 9 rotates the second drive arrangement who makes first grip block 15, second grip block 16 stretch into in the basin 11, second drive arrangement includes that the second drives actuating cylinder 22, actuating lever 23, the second drives actuating cylinder 22's casing and sets up on stating frame 10, the second drive actuating cylinder 22 under the casing tip with frame 10 is articulated, actuating lever 23 one end with mounting bracket 9 fixed connection, the other end with the piston rod of second drive actuating cylinder is articulated. The frame 10 is provided with a control button 24 for controlling the first driving cylinder 21 and the second driving cylinder 22 to work and reset, the control button 24 controls the air supply direction of the external air supply device to the first driving cylinder 21 and the second driving cylinder 22, and controls the piston rods of the first driving cylinder 21 and the second driving cylinder 22 to do telescopic motion.

The use method of the air tightness detector comprises the following steps: inject the detection water in basin 11, drive actuating cylinder 21 through control button 24 control first, the second drives actuating cylinder 22 sequence work, the manual work is placed the valve body between first grip block 15 and second grip block 16, press down work button afterwards, first piston rod that drives actuating cylinder 21 stretches out and drives second grip block 16 and carry out the centre gripping to first grip block 15 motion to the valve body, outside air feeder aerifys airflow channel 20 on the second grip block 16 afterwards, gas enters into inside the valve body and fills the valve body along airflow channel 20, the second drives actuating cylinder 22's piston rod and stretches out afterwards, drive actuating lever 23's hinged end upward movement, actuating lever 23 drives mounting bracket 9 and uses the axis of installation pole 12 to rotate as the centre of a circle, make clamping valve body's first grip block 15 stretch into the water of basin 11 with second grip block 16. And manually observing whether bubbles are generated to judge the air tightness of the valve body, and marking the positions where the bubbles are generated if the bubbles are generated. After the judgment is finished, the reset button is manually pressed, the piston rod of the second driving air cylinder 22 retracts to enable the first clamping block 15 and the second clamping block 16 to be separated from the water body for resetting, the valve body is manually grasped, and then the piston rod of the first driving air cylinder 21 retracts to drive the second clamping block 16 to reset and loosen the valve body.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims

1. The air tightness detector comprises a frame, wherein a water tank is arranged on the frame, and the air tightness detector is characterized in that: the water tank is characterized in that an installation rod is arranged above the water tank, two ends of the installation rod are arranged on the rack, a plurality of sleeves are rotatably sleeved on the installation rod, first limiting devices used for limiting sliding of the sleeves are respectively arranged at two ends of each sleeve, a mounting rack is arranged at the lower end of each sleeve, a first clamping block is fixedly arranged on one side of the mounting rack, a second clamping block is slidably arranged on one side of the mounting rack, sealing devices used for sealing an external valve body are respectively arranged on the first clamping block and the second clamping block, an airflow channel is formed in the second clamping block, one end of the airflow channel is communicated with the inside of the external valve body, the other end of the airflow channel is communicated with an external air supply device, a first driving device used for driving the second clamping block to slide towards the first clamping block to clamp the external valve body is arranged on the mounting rack, and a first driving, The second clamping block extends into a second driving device in the water tank.

2. The airtightness detector according to claim 1, wherein: two adjusting screw rods are symmetrically arranged on the mounting frame, one ends of the adjusting screw rods penetrate through the mounting frame, two ends of the first clamping block penetrate through the other ends of the adjusting screw rods, and the adjusting screw rods are located at two ends of the mounting frame and at two ends of the first clamping block and are respectively provided with a second limiting device.

3. The airtightness detector according to claim 1 or 2, wherein: the first driving device is a first driving cylinder, a shell of the first driving cylinder is fixedly arranged on the mounting frame, and the second clamping block is fixedly arranged on a piston rod of the first driving cylinder.

4. The airtightness detector according to claim 1 or 2, wherein: the second driving device comprises a second driving cylinder and a driving rod, a shell of the second driving cylinder is vertically arranged on the rack, one end of the driving rod is fixedly connected with the mounting rack, and the other end of the driving rod is hinged to a piston rod of the second driving cylinder.

5. The airtightness detector according to claim 1, wherein: the first limiting device comprises a limiting block, and the limiting block is fixedly sleeved on the mounting rod.

6. The airtightness detector according to claim 1, wherein: the sealing device is an elastic sealing gasket, and the middle part of the elastic sealing gasket is fixedly arranged on the first clamping block or the second clamping block.

7. The airtightness detector according to claim 2, wherein: the second limiting device is a fastening nut, and the fastening nut is rotatably sleeved on the adjusting screw rod.

8. The airtightness detector according to claim 4, wherein: and the rack is provided with a control button for controlling the first driving cylinder and the second driving cylinder to work and reset.