Air tightness detection device

Abstract

The utility model discloses an air tightness detection device, which comprises a workbench and a test product, the middle part of the top of the workbench is provided with a fixed rod, the top of the workbench is provided with a rotating disc close to the outer side of the fixed rod, and two sides and two ends of the top of the rotating disc are provided with a plurality of groups of jig bases. A control box is arranged at one end of the top of the workbench; a plurality of groups of electromagnetic valves and pressure gauges are arranged on the control box; according to the utility model, through mutual cooperation among the prompting lamp, the movable rod, the piston, the spring B, the sleeve, the guide hole, the electric contact block A and the electric contact block B, when the device detects a product, the prompting lamp can be automatically started after the measuring head is inflated, and when the gas is cut off and the pressure is maintained, if the prompting lamp is turned off, the air tightness of the product is unqualified, so that a worker can conveniently and intuitively find out the unqualified product, and the working efficiency is improved. And the leakage value within a certain time can be tested through the pressure gauge, so that the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtightness detection technical field, specifically is airtightness detection device. BACKGROUND

[0002] Under the action of wind pressure and hot pressure, airtightness is an important control index to ensure the stability of building external window heat preservation performance, and the airtightness of external window is directly related to the cold wind penetration heat loss of external window, the higher the airtightness grade is, the smaller the heat loss is, before some products leave factory, need to pass through airtightness detection device, detect its airtightness to guarantee that device can normally use, and the airtightness detection device is used to detect the airtightness of the product.

[0003] The patent with the authorized announcement number "CN210774540U" discloses a kind of airtightness detection device, including shell, the shell is fixedly installed with a hanging plate in upper portion, the hanging plate is hung with a detection platform plate by hanger rod below, at least one detection site is provided on the detection platform plate;Vertical downward pressing cylinder is installed on the hanging plate, and a plurality of rotary cylinders are arranged around the detection site of the detection platform plate, the airtightness detection device can detect before end cover assembly, and the detection efficiency is high.

[0004] But the device has the following shortcomings:

[0005] The above-mentioned device is difficult to ensure the sealing between the product and the detection product during detection, and the detection precision is poor, and it is difficult to prompt unqualified products, which is not convenient for workers to quickly find unqualified products, and reduces the use convenience of the device.

[0006] The above-mentioned device can replace the detection product only after a group of products are detected, which increases the time of feeding and discharging, and greatly reduces the working efficiency. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a kind of airtightness detection device to solve the problems in the above background.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: airtightness detection device, including work table and test product, the middle part of work table top is provided with fixed link, the outside of fixed link close to work table top is provided with carousel, both sides and both ends of carousel top are provided with multiple sets of jig base, one end of work table top is provided with control box, a plurality of sets of electromagnetic valve and pressure gauge are provided on control box, the top of fixed link is provided with mounting plate, one side of mounting plate top is provided with pneumatic cylinder, the output of pneumatic cylinder is provided with movable plate, the bottom of movable plate is provided with multiple sets of telescopic link, the bottom of multiple sets of telescopic link is provided with measuring head, the outside of multiple sets of telescopic link is equipped with spring A, one end of measuring head is provided with the air nozzle that communicates with electromagnetic valve,

[0009] The end of the measuring head away from the air nozzle is provided with a sleeve that communicates with the measuring head, a guide hole is formed in the inside of the sleeve, a movable rod is slidably inserted into the inside of the guide hole, a piston is provided on a section of the movable rod, a spring B is provided on the outside of the movable rod, an electrical contact block B is provided on the end of the movable rod away from the piston, an electrical contact block A is provided on the end of the inside of the guide hole that cooperates with the electrical contact block B, a gas seal ring is provided on the bottom of the inside of the measuring head, a connecting pipe that communicates with the gas seal ring is provided on the bottom of the sleeve, and a plurality of prompt lights corresponding to the measuring head are provided on both ends of the movable plate.

[0010] Preferably, the mounting plate top is provided with guide rods on both sides close to the pneumatic cylinder, and the bottoms of the two guide rods are connected with the movable plate, for guiding the movable plate and improving the lifting stability of the movable plate.

[0011] Preferably, the carousel is sleeved on the outside of the fixed link, so that the carousel can rotate along the outside of the fixed link.

[0012] Preferably, support legs are provided at the corners of the bottom of the work table, which can support the work table and prevent the device from shaking.

[0013] Preferably, an annular groove is formed in the bottom of the inside of the measuring head, and the gas seal ring is located in the annular groove, for providing mounting space for the gas seal ring.

[0014] Preferably, a limit block is provided on one side of the movable rod, and the electrical contact block B is mounted on the limit block, which can limit the activity range of the movable rod.

[0015] Compared with the prior art, the utility model has the beneficial effects that the airtightness detection device;

[0016] 1. Through the cooperation between the prompting lamp, the movable rod, the piston, the spring B, the sleeve, the guide hole, the electric contact block A and the electric contact block B, when the device detects the product, the prompting lamp can be automatically started after the measuring head is inflated, when the pressure is maintained after the inflation is interrupted, the unqualified product can be found by the staff intuitively if the prompting lamp is off, and the leakage value within a certain time can be tested through the pressure gauge, and the detection accuracy is improved;

[0017] 2. Through the cooperation between the measuring head, the inflation sealing ring, the piston, the sleeve and the connecting pipe, when the device inflates in the measuring head, the inflation sealing ring can be expanded by driving the gas in the sleeve into the inflation sealing ring, the sealing of the product and the measuring head connection can be tested by the detection pressure, and the detection accuracy is further improved;

[0018] 3. Through the cooperation between the jig base and the turntable, the device can be controlled to rotate to feed and discharge, the detection efficiency of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 It is a side view of the measuring head of the utility model;

[0021] Figure 3 It is a perspective view of the utility model; Figure 2 The structure of A is enlarged and shown.

[0022] In the figure: 1, air cylinder; 2, spring A; 3, measuring head; 4, test product; 5, jig base; 6, turntable; 7, pressure gauge; 8, electromagnetic valve; 9, workbench; 10, fixed rod; 11, mounting plate; 12, movable plate; 13, control box; 14, telescopic rod; 15, air nozzle; 16, prompting lamp; 17, inflation sealing ring; 18, movable rod; 19, piston; 20, spring B; 21, sleeve; 22, guide hole; 23, electric contact block A; 24, electric contact block B; 25, connecting pipe. DETAILED DESCRIPTION

[0023] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-3The utility model provides an embodiment: airtightness detection device, including work table 9 and test product 4, the middle part of work table 9 top is provided with fixed link 10, the outside of fixed link 10 is provided with carousel 6 on work table 9 top, carousel 6 is set up in the outside of fixed link 10, so that carousel 6 can rotate along the outside of fixed link 10, both sides and both ends of carousel 6 top are provided with multiple sets of jig base 5, one end of work table 9 top is provided with control box 13, and multiple sets of electromagnetic valve 8 and pressure gauge 7 are provided on control box 13, and the top of fixed link 10 is provided with mounting plate 11, one side of mounting plate 11 top is provided with cylinder 1, and the output end of cylinder 1 is provided with movable plate 12, and the bottom of movable plate 12 is provided with multiple sets of telescopic link 14, and the bottom of multiple sets of telescopic link 14 is provided with measuring head 3, and the outside of multiple sets of telescopic link 14 is provided with spring A2, and one end of measuring head 3 is provided with air nozzle 15 connected with electromagnetic valve 8 in communication;

[0025] The end of measuring head 3 away from air nozzle 15 is provided with sleeve 21 in communication with measuring head 3, a guide hole 22 is formed in the inner side of sleeve 21, a movable rod 18 is slidably inserted into the inner side of guide hole 22, a piston 19 is arranged on a portion of movable rod 18, a spring B20 is arranged on the outer side of movable rod 18, an electric contact block B24 is arranged on the end of movable rod 18 away from piston 19, an electric contact block A23 is arranged on the inner side of guide hole 22, a bottom portion of the inner side of measuring head 3 is provided with an inflation sealing ring 17, an annular groove is formed in the bottom portion of the inner side of measuring head 3, the inflation sealing ring 17 is located in the annular groove, and the inflation sealing ring 17 is provided with a mounting space, a connecting pipe 25 in communication with the inflation sealing ring 17 is arranged on the bottom of sleeve 21, and multiple sets of prompt lights 16 corresponding to measuring head 3 are arranged on both ends of movable plate 12.

[0026] Further, guide rods are arranged on both sides of the top of mounting plate 11 near cylinder 1, and the bottoms of the two guide rods are connected with movable plate 12, so as to guide movable plate 12 and improve the lifting stability of movable plate 12.

[0027] Further, support legs are arranged at the four corners of the bottom of work table 9, so as to support work table 9 and prevent the device from shaking.

[0028] Further, a limit block is arranged on one side of movable rod 18, and electric contact block B24 is arranged on the limit block, so as to limit the activity range of movable rod 18.

[0029] Working principle: when the device detects the air tightness of the test product 4, the test product 4 can be placed in the jig base 5, and then the test product 4 is rotated to the lower side of the measuring head 3 through the rotating disc 6, the air cylinder 1 is started to run, and the movable plate 12 can be driven to move downward through the air cylinder 1, at this time, the movable plate 12 can drive multiple groups of measuring heads 3 to overcome the elastic force of the spring A2 and clamp into the top of multiple groups of test products 4, and the elastic force of the spring A2 can ensure the sealing between the measuring head 3 and the test product 4;

[0030] Then the electromagnetic valve 8 is opened, the gas flow can enter the measuring head 3 through the air nozzle 15, and then enter the product through the measuring head 3, when the test product 4 is filled with gas, the gas pressure in the measuring head 3 is increased, at this time, the gas pressure can drive the piston 19 to move to one side against the elastic force of the spring B20, when the piston 19 moves to the specified position, the electric contact block B24 can be pushed to contact the electric contact block A23, at this time, the prompt lamp 16 can be automatically started, and the gas flow in the sleeve 21 can enter the inflation sealing ring 17 through the guide of the connecting pipe 25, so that the inflation sealing ring 17 is inflated, the sealing between the inflation sealing ring 17 and the test product 4 is improved, and the gas pressure leakage is prevented;

[0031] After inflation, the gas is cut off for a period of time, if the air tightness of the test product 4 is insufficient, the gas pressure in the measuring head 3 is decreased, the piston 19 can be reset under the action of the elastic force, at this time, the prompt lamp 16 will be extinguished, which is convenient for identifying the test product 4 with unqualified air tightness, the leakage value in a certain time can be tested through the pressure gauge 7, and the prompt lamp 16 that is not extinguished represents that the product is qualified, after a group of test products 4 are detected, the rotating disc 6 can be directly controlled to rotate, the feeding and discharging of the device are completed, and the processing efficiency of the device is improved.

[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0033] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The terms "up", "down", "left", "right", "inside", "outside", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. Airtightness testing apparatus comprising a workbench (9) and a test product (4), characterized in that: The middle part of the top of the workbench (9) is provided with a fixed rod (10), the outer side of the top of the workbench (9) close to the fixed rod (10) is provided with a turntable (6), both sides and both ends of the top of the turntable (6) are provided with a plurality of jig bases (5), one end of the top of the workbench (9) is provided with a control box (13), a plurality of electromagnetic valves (8) and pressure gauges (7) are arranged on the control box (13), the top of the fixed rod (10) is provided with a mounting plate (11), one side of the top of the mounting plate (11) is provided with a gas cylinder (1), the output end of the gas cylinder (1) is provided with a movable plate (12), the bottom of the movable plate (12) is provided with a plurality of telescopic rods (14), the bottom of a plurality of telescopic rods (14) is provided with a probe (3), the outer side of a plurality of telescopic rods (14) is provided with a spring A (2), one end of the probe (3) is provided with an air nozzle (15) connected with the electromagnetic valve (8); The end of the probe (3) away from the air nozzle (15) is provided with a sleeve (21) connected with the probe (3), the inner side of the sleeve (21) is provided with a guide hole (22), the inner side of the guide hole (22) is slidably connected with a movable rod (18), a section of the movable rod (18) is provided with a piston (19), the outer side of the movable rod (18) is provided with a spring B (20), the end of the movable rod (18) away from the piston (19) is provided with an electric contact block B (24), the inner side of the guide hole (22) is provided with an electric contact block A (23) matched with the electric contact block B (24), the bottom of the inner side of the probe (3) is provided with an inflation sealing ring (17), the bottom of the sleeve (21) is provided with a connecting pipe (25) connected with the inflation sealing ring (17), both ends of the movable plate (12) are provided with a plurality of indicator lights (16) corresponding to the probe (3).

2. The air tightness detection device according to claim 1, wherein: The mounting plate (11) is provided with guide rods on both sides of the top close to the gas cylinder (1), and the bottoms of the two guide rods are connected with the movable plate (12).

3. The air tightness detection device according to claim 1, wherein: The turntable (6) is sleeved on the outer side of the fixed rod (10).

4. The air tightness detection device of claim 1, wherein: The bottom of the workbench (9) is provided with support legs at four corners.

5. The air tightness detection device according to claim 1, wherein: The bottom of the inner side of the probe (3) is provided with an annular groove, and the inflation sealing ring (17) is located in the annular groove.

6. The air tightness detection device of claim 1, wherein: One side of the movable rod (18) is provided with a limiting block, and the electric contact block B (24) is mounted on the limiting block.

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