Oxygen valve airtightness detection device

Abstract

The utility model belongs to the technical field of oxygen valves, and particularly relates to an oxygen valve airtightness detection device, which comprises a bottom plate, a group of bearing plates are uniformly and fixedly connected onto the bottom plate, clamping structures are arranged on the bearing plates, a support is fixedly connected onto the upper end face of the bottom plate, two telescopic cylinders are symmetrically and fixedly connected onto the upper end face of the support, and the two telescopic cylinders are symmetrically and fixedly connected onto the lower end face of the bottom plate. The driving ends of the two telescopic cylinders penetrate through the support and are fixedly connected with connecting columns, and the bottom ends of the connecting columns are fixedly connected with a lifting plate. Through the lifting plate, the pressing plate, the gas injection pipe, the digital pressure gauge, the first electromagnetic valve, the connecting pipe, the branch pipe, the gas pump and the second electromagnetic valve, gas tightness detection is carried out on the oxygen valve, the gas tightness of the oxygen valve is judged by observing whether the numerical value of the digital pressure gauge changes or not, and testers do not need to observe all the time; the labor intensity of testers is reduced, and the detection accuracy and reliability can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen valve technical field, concretely is oxygen valve air tightness detection device. BACKGROUND

[0002] In the medical field, oxygen valve as the key component in medical equipment, its air tightness is important to the treatment and safety of patients. Especially in the breathing machine, oxygen supply system and other key medical equipment, oxygen valve is used to ensure that oxygen does not flow when closing, and oxygen flows when opening, and the air tightness of oxygen valve needs to be detected during production.

[0003] The traditional oxygen valve air tightness detection method often judges whether it leaks by observing whether oxygen valve produces bubbles in water, and the tester needs to observe whether bubbles appear, and it is difficult to guarantee the accuracy and reliability of detection, and the prior art can only detect the air tightness of one oxygen valve at a time, and the detection efficiency is low.

[0004] Therefore, we propose an oxygen valve air tightness detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides an oxygen valve air tightness detection device, which solves the problems proposed in the above background technology.

[0007] (II) technical scheme

[0008] The utility model discloses a kind of oxygen valve air tightness detection devices to achieve the above purposes specifically using the following technical solutions:

[0009] An oxygen valve air tightness detection device, including bottom plate, a group of bearing plates are uniformly fixedly connected on the bottom plate, the bearing plate is equipped with clamping structure, the upper end surface of the bottom plate is fixedly connected with support, the upper end surface of the support is fixedly connected with two telescopic cylinders, the drive end of two telescopic cylinders is all through support and fixedly connected with connecting column, the bottom end of the connecting column is fixedly connected with lifting plate, the lower end surface of the lifting plate is uniformly fixedly connected with a group of respectively corresponding pressure plate with the position of bearing plate, the upper end surface of the lifting plate is uniformly fixedly connected with a group of corresponding injection pipe with pressure plate, the bottom end of the injection pipe is through pressure plate and extends downwards, digital pressure gauge is installed on the injection pipe, the top end of the injection pipe is fixedly connected with first electromagnetic valve, the top end of the first electromagnetic valve is fixedly connected with connecting pipe, the bottom end of the connecting pipe is fixedly connected with branch pipe, the upper end surface of the lifting plate is fixedly connected with gas pump, the output end of the gas pump is fixedly connected with second electromagnetic valve, the end away from gas pump of the second electromagnetic valve is fixedly connected with the input end of branch pipe.

[0010] Further, the clamping structure includes four moving openings uniformly arranged on the bearing plate, and four sliders are slidably connected in the moving openings, the sliders are detachably connected with clamping columns through inner hexagonal bolts, the lower side of the center of the bearing plate is provided with a moving head, four connecting rods are uniformly rotatably connected to the moving head, the top ends of the four connecting rods are rotatably connected with the sliders, the bottom end of the moving head is fixedly connected with a connecting plate, the lower end surface of the bottom plate is fixedly connected with an assembling frame, a threaded rod is rotatably connected between the assembling frame and the bottom plate, the lower end surface of the assembling frame is fixedly connected with a motor, the driving end of the motor penetrates through the bottom wall of the assembling frame and is fixedly connected with the bottom end of the threaded rod, and the threaded rod is threadedly connected with the connecting plate.

[0011] Further, two through holes are symmetrically arranged on the connecting plate, and a guide rod is matched arranged in each through hole, the top end of the guide rod is fixedly connected with the lower end surface of the bottom plate, and a rubber sleeve is fixedly sleeved on the outer circumferential wall of the clamping column.

[0012] Further, the lower end surface of the pressing plate is fixedly connected with a rubber pad, and a circular hole matched with the gas injection pipe is arranged at the center of the rubber pad.

[0013] Further, the lower end surface of the bottom plate is fixedly connected with a rack, and supporting legs are fixedly connected at the four corners of the lower end surface of the rack.

[0014] Further, a group of circular openings corresponding to the bearing plate are arranged on the bottom plate, and the diameter of the circular opening is smaller than that of the bearing plate.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the oxygen valve air tightness detection device has the following beneficial effects:

[0017] 1. The oxygen valve air tightness detection device, which realizes air tightness detection of the oxygen valve through the lifting plate, the pressing plate, the gas injection pipe, the digital pressure gauge, the first electromagnetic valve, the connecting pipe, the branch pipe, the air pump and the second electromagnetic valve, judges the air tightness of the oxygen valve by observing whether the value of the digital pressure gauge changes, does not require the tester to observe all the time, reduces the labor intensity of the tester, and can improve the accuracy and reliability of detection.

[0018] 2. The oxygen valve air tightness detection device, which is convenient for automatic clamping and fixing of multiple oxygen valves, convenient for air tightness detection of multiple oxygen valves at the same time, and significantly improves the efficiency of oxygen valve air tightness detection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is the rear side structure schematic view of the utility model;

[0021] Figure 3 It is the clamping structure schematic view of the utility model;

[0022] Figure 4 It is the bearing plate internal structure schematic view of the utility model;

[0023] Figure 5 It is the detection structure schematic view of the utility model;

[0024] Figure 6 It is the front view structure schematic view of the utility model.

[0025] In the drawing: 1, bottom plate; 2, bearing plate; 3, clamping structure; 301, moving opening; 302, sliding block; 303, clamping column; 304, moving head; 305, connecting rod; 306, link plate; 307, assembly frame; 308, threaded rod; 309, motor; 3010, guide rod; 3011, rubber sleeve; 4, support; 5, telescopic cylinder; 6, connecting column; 7, lifting plate; 8, pressing plate; 9, gas injection pipe; 10, digital pressure gauge; 11, first electromagnetic valve; 12, connecting pipe; 13, branch pipe; 14, air pump; 15, second electromagnetic valve; 16, rubber pad; 17, rack. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, not 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.

[0027] EMBODIMENT

[0028] As Figures 1-6As shown, the utility model discloses an oxygen valve air tightness detection device, including bottom plate 1, the bottom plate 1 is uniformly fixedly connected with a group of bearing plate 2, is equipped with the clamping structure 3 all on bearing plate 2, the upper end surface of bottom plate 1 is fixedly connected with support 4, the upper end surface of support 4 is fixedly connected with two telescopic cylinders 5 symmetrically, and the drive end of two telescopic cylinders 5 all penetrates support 4 and is fixedly connected with connecting column 6, and the bottom of connecting column 6 is fixedly connected with lifting plate 7, and the lower end surface of lifting plate 7 is uniformly fixedly connected with a group of respectively with the pressing plate 8 of bearing plate 2 position correspondence, the upper end surface of lifting plate 7 is uniformly fixedly connected with a group of with the gas injection pipe 9 of pressing plate 8 correspondence, and the bottom of gas injection pipe 9 penetrates pressing plate 8 and extends downward, and digital pressure gauge 10 is installed on gas injection pipe 9, and the top of gas injection pipe 9 is fixedly connected with first electromagnetic valve 11, and the top of first electromagnetic valve 11 is fixedly connected with connecting pipe 12, and the bottom of connecting pipe 12 is fixedly connected with branch pipe 13, and the upper end surface of lifting plate 7 is fixedly connected with air pump 14, and the output of air pump 14 is fixedly connected with second electromagnetic valve 15, and the input end of branch pipe 13 is fixedly connected with the one end of second electromagnetic valve 15 away from air pump 14, oxygen valve is placed on bearing plate 2 respectively, and the oxygen valve is clamped and fixed through clamping structure 3, and lifting plate 7 and pressing plate 8 are driven to descend through telescopic cylinder 5, realize the sealing of the upper portion of oxygen valve, then open first electromagnetic valve 11 and second electromagnetic valve 15, start air pump 14 and inject gas into oxygen valve, after the numerical value of digital pressure gauge 10 is stable, and record the numerical value, close first electromagnetic valve 11 and second electromagnetic valve 15, after interval several minutes, observe whether the numerical value of digital pressure gauge 10 changes, if changes, then indicate that the oxygen valve is unqualified, otherwise, is qualified.

[0029] As Figure 1 , Figure 3 and Figure 4As shown in the drawings, in some embodiments, the clamping structure 3 comprises four moving openings 301 uniformly opened on the bearing plate 2, and four sliding blocks 302 are slidingly connected in the four moving openings 301, and the sliding blocks 302 are detachably connected with clamping columns 303 through inner hexagonal bolts, and a moving head 304 is arranged at the lower side of the center of the bearing plate 2, and four connecting rods 305 are uniformly rotatably connected on the moving head 304, and the top ends of the four connecting rods 305 are rotatably connected with the sliding blocks 302, and the bottom end of the moving head 304 is fixedly connected with a connecting plate 306, and a mounting frame 307 is fixedly connected at the center of the lower end surface of the bottom plate 1, and a threaded rod 308 is rotatably connected between the mounting frame 307 and the bottom plate 1, and a motor 309 is fixedly connected to the lower end surface of the mounting frame 307, and the driving end of the motor 309 penetrates through the bottom wall of the mounting frame 307 and is fixedly connected with the bottom end of the threaded rod 308, and the threaded rod 308 is threadedly connected with the connecting plate 306; the threaded rod 308 is driven to rotate by the motor 309, so as to lift the connecting plate 306, and the movement of the connecting plate 306 synchronously drives the moving head 304 to lift, and the lifting of the moving head 304 drives the connecting rods 305 to move, so as to drive the sliding blocks 302 and the clamping columns 303 to slide in the moving openings 301, thereby facilitating the clamping and fixing of oxygen valves of different sizes, and facilitating the air tightness detection of multiple oxygen valves at the same time.

[0030] As shown in the drawings, Figure 3 and Figure 4 As shown in the drawings, in some embodiments, two through holes are symmetrically opened on the connecting plate 306, and a guide rod 3010 is matched arranged in each through hole, the top end of the guide rod 3010 is fixedly connected with the lower end surface of the bottom plate 1, and a rubber sleeve 3011 is fixedly sleeved on the outer circumferential side wall of the clamping column 303; the guide rod 3010 can stably move the connecting plate 306 up and down, and the rubber sleeve 3011 increases the friction of clamping and protects the surface of the oxygen valve from being damaged.

[0031] As shown in the drawings, Figure 3 In some embodiments, the lower end surface of the pressing plate 8 is fixedly connected with a rubber pad 16, and a circular hole matched with the gas injection pipe 9 is opened at the center of the rubber pad 16; the rubber pad 16 not only increases the sealing property to prevent gas leakage, but also the circular hole at the center cooperates with the gas injection pipe 9 to ensure the smooth injection of gas and improve the detection accuracy and reliability.

[0032] As shown in the drawings, Figure 1 In some embodiments, the lower end surface of the bottom plate 1 is fixedly connected with a rack 17, and support feet are fixedly connected at the four corners of the lower end surface of the rack 17; the rack 17 and the support feet provide stable support for the entire device to ensure the safety and stability during the detection process.

[0033] As shown in the drawings, Figure 3As shown, in some embodiments, a group of circular openings corresponding to the bearing plate 2 are formed on the bottom plate 1, and the diameter of the circular openings is smaller than the diameter of the bearing plate 2; the circular openings facilitate the work of the clamping structure 3 components, thereby facilitating the clamping and fixing of the oxygen valve.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An oxygen valve tightness testing device comprising a base plate (1), characterized in that: The bottom plate (1) is uniformly connected with a group of bearing plates (2), the bearing plate (2) is uniformly provided with clamping structure (3), the upper end surface of the bottom plate (1) is fixedly connected with the support (4), the upper end surface of the support (4) is symmetrically and fixedly connected with two telescopic cylinders (5), the driving end of two telescopic cylinders (5) is penetrated through the support (4) and is fixedly connected with the connecting column (6), the bottom end of the connecting column (6) is fixedly connected with the lifting plate (7), the lower end surface of the lifting plate (7) is uniformly fixedly connected with a group of pressing plates (8) corresponding to the position of the bearing plate (2) respectively, the upper end surface of the lifting plate (7) is uniformly fixedly connected with a group of gas injection pipes (9) corresponding to the pressing plate (8), the bottom end of the gas injection pipe (9) penetrates through the pressing plate (8) and extends downward, the digital pressure gauge (10) is installed on the gas injection pipe (9), the top end of the gas injection pipe (9) is fixedly connected with the first electromagnetic valve (11), the top end of the first electromagnetic valve (11) is fixedly connected with the connecting pipe (12), the bottom end of the connecting pipe (12) is fixedly connected with the branch pipe (13), the upper end surface of the lifting plate (7) is fixedly connected with the air pump (14), the output end of the air pump (14) is fixedly connected with the second electromagnetic valve (15), the end, away from the air pump (14), of the second electromagnetic valve (15) is fixedly connected with the input end of the branch pipe (13).

2. The oxygen valve tightness detection device of claim 1, wherein: The clamping structure (3) includes four moving openings (301) uniformly arranged on the bearing plate (2), four sliding blocks (302) are slidably connected in the moving openings (301), the sliding blocks (302) are detachably connected with clamping columns (303) through inner hexagonal bolts, a moving head (304) is arranged on the lower side of the center of the bearing plate (2), four connecting rods (305) are uniformly rotatably connected to the moving head (304), the top ends of the four connecting rods (305) are rotatably connected with the sliding blocks (302) respectively, the bottom end of the moving head (304) is fixedly connected with an adapter plate (306), a mounting frame (307) is fixedly connected to the center of the lower end surface of the bottom plate (1), a threaded rod (308) is rotatably connected between the mounting frame (307) and the bottom plate (1), a motor (309) is fixedly connected to the lower end surface of the mounting frame (307), the driving end of the motor (309) penetrates through the bottom wall of the mounting frame (307) and is fixedly connected with the bottom end of the threaded rod (308), the threaded rod (308) is threadedly connected with the adapter plate (306).

3. The oxygen valve tightness detection device of claim 2, wherein: Two through holes are symmetrically arranged on the adapter plate (306), and guide rods (3010) are matched arranged in the two through holes, the top ends of the guide rods (3010) are fixedly connected with the lower end surface of the bottom plate (1) respectively, rubber sleeves (3011) are fixedly sleeved on the outer circumferential side wall of the clamping column (303).

4. The oxygen valve leak detection apparatus of claim 1, wherein: A rubber pad (16) is fixedly connected to the lower end surface of the pressing plate (8), a circular hole matched with the gas injection pipe (9) is arranged in the center of the rubber pad (16).

5. The oxygen valve leak detection apparatus of claim 1, wherein: The lower end surface of the bottom plate (1) is fixedly connected with a rack (17), and the lower end surface of the rack (17) is fixedly connected with support feet at four corners.

6. The oxygen valve leak detection apparatus of claim 1, wherein: A group of circular openings corresponding to the bearing plate (2) are formed on the bottom plate (1), and the diameter of the circular openings is smaller than that of the bearing plate (2).

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