CN211784137U

CN211784137U - High leakproofness check valve gas tightness detecting system

Info

Publication number: CN211784137U
Application number: CN202020794452.2U
Authority: CN
Inventors: 翁涛
Original assignee: Tujin Technology Shenzhen Co ltd
Current assignee: Tujin Technology Shenzhen Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-10-27
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a high-tightness check valve air tightness detection system, which comprises an installation bottom plate, an installation part which is convexly arranged on the installation bottom plate, and a placing groove is arranged on the top end of the installation part which runs through two end surfaces of the installation part; the two sides of the mounting piece are respectively provided with a pressurizing pipeline with one-way openings corresponding to the two ends of the placing groove; the mounting bottom plate is also provided with a push-pull driving piece mounting seat which is provided with a displacement rod horizontally sliding relative to the push-pull driving piece mounting seat, one end of the displacement rod is fixedly connected with one end of the pressurizing pipeline far away from the one-way opening, and the other end of the displacement rod is connected with the push-pull driving piece; the pressurizing pipeline is respectively communicated with an external air tightness detector through an electromagnetic valve to control fluid communication. Two opposite pressurizing pipelines are arranged to be matched with the electromagnetic valve and an external air tightness detection device, and the air flow passage is adjusted through the electromagnetic valve, so that the bidirectional air tightness of the one-way valve can be detected by one-time installation of the one-way valve; the operation is convenient.

Description

High leakproofness check valve gas tightness detecting system

Technical Field

The utility model belongs to the technical field of the valve detects technique and specifically relates to a high leakproofness check valve gas tightness detecting system is related to.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. The application of the check valve is widely used at present, and the check valve is mainly used for preventing the reverse flow of oil flow in a hydraulic system or preventing the reverse flow of compressed air in a pneumatic system. Therefore, the airtightness of the check valve when closed and the pressure to be applied when the check valve is opened are both required to be detected so as to be put into an optimal practical operation scenario, and therefore, the airtightness detection and the pressure value detection of the check valve are very important and necessary.

In the prior art, a plurality of air tightness detection devices of the check valve are provided, but most of the air tightness detection devices can only detect the single-side air tightness of the check valve at one time and cannot detect the two-way performance of the check valve at the same time. See patent application No.: CN201821272391.2, filed as follows: 20180808, the date of the authorized bulletin is: 20190830, it is through setting up single compressed air output fixed slot, the one end of connecting the check valve through this slot carries out the gas tightness and detects.

The above prior art solutions have the following drawbacks: in the prior art, only a single compressed air output fixing groove is arranged, so that the unilateral performance of the one-way valve can be detected once, if the air tightness when the one-way valve is closed is detected and the large pressure borne by the one-way valve is detected, the one-way valve can be opened, the performance of one side needs to be detected firstly, then the one-way valve is taken out, the direction of the one-way valve is changed, and then the other side can be detected, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a just can present a high leakproofness check valve gas tightness detecting system of open mode when the gas tightness check valve that just can detect the check valve closure state of one-time installation opens and the big pressure of bearing that the check valve needs. Through setting up two detection passage, need not carry out the dismouting repeatedly and just can realize the two-way performance detection of check valve.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a high-sealing one-way valve air tightness detection system comprises an installation bottom plate; the mounting piece is arranged on the mounting base plate in a protruding mode, and a placing groove is formed in the top end of the mounting piece; the placing grooves penetrate through two end faces of the mounting piece; the number of the pressurizing pipelines is two, the two pressurizing pipelines are respectively arranged on two sides of the mounting part, one-way openings are formed in the pressurizing pipelines, and the one-way openings of the pressurizing pipelines respectively correspond to two ends of the placing groove; the pushing and pulling driving part is arranged on the mounting base plate and drives the pressurizing pipeline to move back and forth relative to the mounting part, and the driving end of the pushing and pulling driving part is fixedly connected with one end, far away from the one-way opening, of the pressurizing pipeline; and the electromagnetic valve comprises an input port for communicating with the external air tightness detector and two output ports respectively communicated with the two pressurizing pipelines.

By adopting the technical scheme, the one-way valve is installed in the placing groove, the one-way opening of the pressurizing pipeline is installed corresponding to two ends of the one-way valve, the pressurizing pipeline is driven to move towards the placing groove by the push-pull driving piece, so that the one-way valve is tightly connected with the pressurizing pipeline, a sealed cavity is formed between the inner cavity of the one-way valve and the pressurizing pipeline, when the air tightness of the closed state of the one-way valve needs to be detected, the external air tightness detector is controlled to be communicated with the corresponding air flow of the pressurizing pipeline connected with the closed end of the electromagnetic valve through the electromagnetic valve, the pressurizing pipe is inflated and pressurized through the air tightness detector, the air flow pressure is detected through the air tightness detector, and whether the; in a similar way, when the one-way valve can be communicated only by detecting the required pressure value, the air flow passage is changed through the electromagnetic valve, and the pressure value required by the flow state of the one-way valve is obtained by observing the pressure value change of the air tightness detector.

The present invention may be further configured in a preferred embodiment as: the placing groove is horizontally formed, and the push-pull driving piece comprises a push-pull driving piece mounting seat arranged on the mounting bottom plate; the displacement rod is arranged on the push-pull driving piece mounting seat and slides horizontally relative to the push-pull driving piece mounting seat; one end of the displacement rod is fixedly connected with one end, far away from the one-way opening, of the pressurizing pipeline.

Through adopting above-mentioned technical scheme, promote the pressurization pipeline through setting up the displacement pole and realize the horizontal displacement removal, push-and-pull driving piece mount pad makes the mounting structure between push-and-pull driving piece and the mounting plate more stable for the displacement pole provides the installation spacing and installs on mounting plate.

The present invention may be further configured in a preferred embodiment as: the push-pull driving piece is arranged opposite to the mounting piece in a mirror image mode, the push-pull driving piece further comprises a rotating rod and a push-pull linkage piece, one end of the displacement rod is connected with the pressurization pipeline, the other end of the displacement rod is hinged to the push-pull linkage piece, the other end of the push-pull linkage piece is hinged to the side wall of the rotating rod, a hinged portion is arranged on the push-pull driving piece mounting seat, and the end portion of the rotating rod is hinged to the hinged portion.

Through adopting above-mentioned technical scheme, the push-and-pull driving piece sets up for the installed part mirror image, when the installation check valve, can both ends drive the pressurization pipeline simultaneously and remove the sealed chamber that forms the detection gas tightness with the both ends of check valve to the position of check valve, for the unilateral mode that sets up the sealed chamber that drives adjustment both ends formation detection gas tightness of driving piece, operate reasonable more simply for the unilateral. The rotating rod is hinged along the top of the mounting bracket by pressing or pulling up the rotating rod; the push-pull linkage piece is driven to be linked through rotation of the rotating rod, and then the displacement rod is driven to move through the push-pull linkage piece. When the rotating rod is pulled upwards, the point where the push-pull linkage piece is hinged with the rotating rod moves circularly by taking the hinged part as a circle center seat, but the length of the push-pull linkage piece is fixed, so the push-pull linkage piece can be used for linking the displacement rod to move towards the direction close to the mounting part to vacate a space for accommodating the push-pull linkage piece, and further the pressurizing pipeline is pushed by the displacement rod to move towards the mounting part; otherwise, when the rotating rod is pressed down, the push-pull linkage piece drives the displacement rod to move towards the direction far away from the installation part, and the push-pull driving piece is matched with the displacement rod to drive the pressurizing pipeline.

The present invention may be further configured in a preferred embodiment as: the pressure pipeline is characterized by further comprising a reinforcing seat, one end of the reinforcing seat is fixedly connected with the side wall of the pressure pipeline, and the other end of the reinforcing seat is connected with the mounting bottom plate in a sliding mode.

Through adopting above-mentioned technical scheme for the pressurization pipeline can not unsettled setting, has reduced the gravity influence that pressurization pipeline itself received, has increased the stability of pressurization pipeline, and the one end of reinforcement seat is fixed with the pressurization pipeline, and the other end slides with mounting plate, guarantees that reinforcement seat can remove along with the removal of pressurization pipeline.

The present invention may be further configured in a preferred embodiment as: a mounting hole is horizontally formed in the side wall of the reinforcing seat, and one end of the pressurizing pipeline penetrates through the mounting hole and is connected with the output end of the push-pull driving piece; the mounting base plate further comprises a slide rail, the slide rail is arranged below the reinforcing seat corresponding to the displacement direction of the pressurizing pipeline, and the other end of the reinforcing seat is arranged on the slide rail in a sliding mode.

Through adopting above-mentioned technical scheme, through setting up the slide rail, further restrict the horizontal displacement direction of reinforcing seat.

The present invention may be further configured in a preferred embodiment as: the push-pull linkage piece comprises two linkage half pieces which are respectively hinged to the two sides of the displacement rod and the rotating rod.

Through adopting above-mentioned technical scheme for the linkage structure between displacement pole, the half piece of linkage and the dwang is more stable.

The present invention may be further configured in a preferred embodiment as: the outer wall of the pressurizing pipeline is communicated with the inner cavity of the pipeline and is respectively provided with an air flow branch pipe, the air flow branch pipes are respectively connected with an electromagnetic valve, and the electromagnetic valve is also connected with an air flow main pipe.

Through adopting above-mentioned technical scheme, realize the air current intercommunication through setting up air current branch pipe and air current house steward. The air flow branch pipe connected with the pressurization pipeline is connected with the electromagnetic valve, one of the two air flow branch pipes is communicated with the air flow main pipe under the control of the electromagnetic valve, the air flow main pipe is pressurized through the external air tightness detector, and the change of the internal pressure value of the pipeline is observed, so that the performance of the check valve is detected.

The present invention may be further configured in a preferred embodiment as: the push-pull driving piece mounting seat) is provided with a mounting part, the mounting part is horizontally provided with a limiting hole, and the displacement rod is slidably arranged in the limiting hole.

Through adopting above-mentioned technical scheme, through setting up spacing hole for the relation of sliding of displacement pole and push-and-pull driving piece mount pad is more stable.

The present invention may be further configured in a preferred embodiment as: the mounting base plate is further provided with a pressing head and a pressing driving piece for driving the pressing head to move up and down, the pressing driving piece is arranged on the mounting base plate, and the pressing head is arranged at the upper end of the placing groove and connected with the driving end of the pressing driving piece.

Through adopting above-mentioned technical scheme, through pushing down driving piece drive press head for the standing groove displacement downwards to the realization is pushed down fixedly to the check valve of installing in the standing groove, through pushing down driving piece drive press head displacement upwards when the check valve is taken out to needs, then takes out the check valve.

The present invention may be further configured in a preferred embodiment as: the pressing driving part comprises a pressing support and a horizontal quick clamp, the pressing support is arranged on the mounting base plate, and the pressing head is mounted on the horizontal quick clamp.

Through adopting above-mentioned technical scheme, through the displacement about the drive press head of horizontal quick clamp, simple structure, convenient operation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model has the advantages that the two opposite pressurizing pipelines are arranged to be matched with the electromagnetic valve and the external air tightness detection device, the air flow passage is adjusted through the electromagnetic valve, and the air tightness of the closed state of the check valve and the pressure value required when the passage is opened can be detected by one-time installation of the check valve; the operation is convenient;

2. the utility model discloses a push-and-pull driving piece and the displacement of sliding displacement pole cooperation drive pressurization pipeline on push-and-pull driving piece mount pad, simple structure.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of the embodiment 1 of the present invention after being connected to an external airtightness detector;

fig. 3 is a partially enlarged view of a shown in fig. 1.

In the figure, 1, a bottom plate is installed; 10. a slide rail; 2. a mounting member; 20. a placement groove; 3. a pressurized conduit; 30. a one-way opening; 31. dividing the airflow into pipes; 32. an air flow manifold; 4. a push-pull driving member; 40. pushing and pulling the linkage sheet; 400. linking half sheets; 41. rotating the rod; 42. a push-pull driving piece mounting seat; 420. a block for raising; 421. a platform body; 4210. an installation part; 42100. a limiting hole; 4211. a hinge portion; 43. a displacement rod; 7. an electromagnetic valve; 8. a reinforcing seat; 80. mounting holes; 9. pressing down the driving member; 90. horizontal quick clamp; 91. pressing the support; 90a, a pressing head; (ii) a 300. And (7) an air tightness detector.

Detailed Description

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

Embodiment, refer to fig. 1 and fig. 2 and show that the utility model discloses a high leakproofness check valve gas tightness detecting system, realize that one-time installation of check valve can detect the gas tightness of check valve closed state and when opening the required pressure value of passageway. The operation is convenient. The utility model provides a high leakproofness check valve gas tightness detecting system includes mounting plate 1, the installed part 2 on mounting plate 1 is located in the protrusion, installs in mounting plate 1 and two pressurization pipelines 3 that the mirror image is located installed 2 both sides of installed part, sets up in mounting plate 1 and is used for driving pressurization pipeline 3 respectively and is close to or keep away from two push-and-pull driving pieces 4 of installed part 2. The top end of the mounting piece 2 is provided with a placing groove 20 for placing the one-way valve, and the placing groove 20 penetrates through two end faces of the mounting piece 2; one side of the pressurizing pipeline 3 facing the mounting piece 2 is provided with a one-way opening 30 for connecting a one-way valve, and one end of the pressurizing pipeline 3 far away from the one-way opening 30 is fixedly connected with the output end of the push-pull driving piece 4; the outer wall of the pressurizing pipeline 3 is respectively provided with an airflow branched pipe 31 communicated with the inner cavity of the pressurizing pipeline 3. The two air flow branch pipes 31 are connected with the electromagnetic valve 7 at the ends far away from the pressurizing pipeline 3, the electromagnetic valve 7 is further connected with an air flow main pipe 32, and the air flow main pipe 32 is used for communicating with an external air tightness detector.

The principle of the embodiment is that the one-way valve is installed in the placing groove 20, the pressurizing pipeline 3 is driven to move towards the placing groove 20 by the push-pull driving element 4, the one-way valve is tightly connected with the pressurizing pipeline 3, and a sealed cavity is formed by communicating the inner cavity of the one-way valve and the inner cavity of the pressurizing pipeline 3. When the air tightness of the closed state of the one-way valve needs to be detected, the electromagnetic valve 7 controls the external air tightness detector 300 to be in air flow communication with the corresponding pressurizing pipeline 3 connected with the closed end of the one-way valve, the air pump fluid is communicated with the air tightness detector 300 to inflate and pressurize the pressurizing pipe, the air flow pressure is detected through the air tightness detector, and whether the air tightness is good or not is detected through observing the change of the pressure value; in a similar way, when the one-way valve can be opened only when the required pressure value needs to be detected, the air flow passage is changed through the electromagnetic valve 7, the pressurizing pipeline 3 is inflated and pressurized through the air pump fluid communication air tightness detector, and the pressure value required by the flow state of the one-way valve is further obtained by observing the pressure value change of the air tightness detector.

Specifically, as shown in fig. 1 and fig. 2, in the present embodiment, the mounting base plate 1 is a square plate, and is mainly used as a carrier for mounting other components; the mounting part 2 is blocky and is used as a mounting carrier of the one-way valve, the mounting part 2 is fixedly connected to the middle part of the mounting bottom plate 1, and concave notches are further formed in the side walls of the two sides of the placing groove 20 on the mounting part 2, so that the one-way valve can be conveniently taken out of the placing groove 20.

As shown in fig. 1 and 2, the push-pull driver 4 is mainly used to drive the pressurized conduit 3 to move towards or away from the mounting member 2. In this embodiment, the two push-pull drivers 4 have the same structure, and are respectively fixedly mounted on the mounting base plate 1 and are mirrored on both sides of the mounting member 2.

The push-pull driver 4 includes a push-pull driver attachment seat 42 provided on the attachment base plate 1, a rotation lever 41, a push-pull link piece 40, and a displacement lever 43 for pushing the pressurizing pipe 3 to move horizontally with respect to the attachment member 2.

The push-pull driving member mounting seat 42 comprises a block 420 and a trapezoidal platform main body 421, the bottom of the block 420 is fixedly connected with the mounting base plate 1, and the top end of the block 420 is connected with the inverted trapezoidal platform main body 421 through a bolt. The displacement rod 43 is disposed at the top end of the trapezoidal platform main body 421 and horizontally slides relative to the trapezoidal platform main body 421. The push-pull linkage piece 40 comprises two strip-shaped linkage half pieces 400 which have the same structure and are oppositely arranged; one end of each of the two linkage half-pieces 400 is hinged to one end of the displacement rod 43, and the other end of each of the two linkage half-pieces 400 is hinged to the side wall of the rotating rod 41; the other end of the displacement rod 43 is fixedly connected with one end of the pressurizing pipeline 3 far away from the one-way opening 30; the ends of the rotating rods 41 are hinged to the trapezoidal platform body 421.

Further, the top end of the trapezoidal platform main body 421 is a flat table, an installation portion 4210 is protruded from an end surface of the flat table close to the pressurizing pipeline 3, a circular limit hole 42100 is horizontally formed in the installation portion 4210, the displacement rod 43 is a circular long rod, the displacement rod 43 is slidably arranged in the limit hole 42100, an arc-shaped hinge portion 4211 is protruded from an end of the flat table opposite to the installation portion 4210, and the hinge portion 4211, the installation portion 4210 and the pressurizing pipeline 3 are located on the same straight line. The rotating rod 41 comprises a hinge rod and an operating rod, wherein a hinge portion 4211 at one end of the hinge rod is hinged, the other end of the hinge rod is fixedly connected with one end of the operating rod at an obtuse angle, and the two linkage half pieces 400 are respectively arranged at two sides of the joint of the hinge rod and the operating rod. The hinge portion 4211 is interposed between the two link halves 400, and the rotating lever 41 drives the displacement lever 43 to move back and forth away from or close to the mounting member 2 by pushing and pulling the link piece 40 with the hinge portion 4211 as a fulcrum.

Specifically, the rotating rod 41 is rotated about the hinge portion 4211 as a pivot by pressing or pulling the rotating rod 41 downward, the push-pull linkage piece 40 is driven to be linked by the rotation of the rotating rod 41, and the displacement rod 43 is driven to slide by the push-pull linkage piece 40, and the displacement rod 43 can only slide on the push-pull driving member mounting seat 42, so that the push-displacement rod 43 is connected with the pressurizing pipeline 3 to perform a displacement motion in the horizontal direction. The driving of the pressurizing pipeline 3 is realized by the push-pull driving piece 4 matching with the displacement rod 43; and the two linkage half pieces 400 are oppositely arranged, so that the linkage structure among the displacement rod 43, the linkage half piece 400 and the rotating rod 41 is more stable.

As shown in fig. 1 and 2, the pressurizing pipeline 3 is a straight cylindrical circular pipeline and is used for communicating the inside of the one-way valve and forming a sealed cavity. The electromagnetic valve 7 is a two-position four-way electromagnetic valve and comprises two output ports and two input ports, the two airflow branch pipes 31 are respectively connected with the output ports of the electromagnetic valve 7, one of the two input ports of the electromagnetic valve 7 is connected with the airflow main pipe, and the other input port of the electromagnetic valve 7 is used for detecting airflow discharge. Specifically, one of the two air flow branch pipes 31 is controlled by the electromagnetic valve 7 to be communicated with the air flow main pipe 32, the air flow main pipe 32 is pressurized by the external air tightness detector 300, and the change of the internal pressure value of the pipeline is observed, so that the performance of the check valve is detected. When the detection is finished, the electromagnetic valve 7 controls the air flow branch pipe 31 with air pressure and the input port for air exhaust to be communicated, the connection between the air flow main pipe 32 and the air flow branch pipe is disconnected, and the air exhaust decompression of the air flow branch pipe 31 is realized.

As shown in fig. 1 to 2, the two pressure pipes 3 are further fixedly connected with a reinforcing base 8 having the same structure, and the reinforcing base 8 slides with the installation bottom plate 1. Make pressurization pipeline 3 can not unsettled setting, reduced the gravity influence that pressurization pipeline 3 itself received, increased pressurization pipeline 3's stability. Specifically, in this embodiment, the mounting base plate 1 is further provided with slide rails 10 having the same structure, and the positions of the slide rails 10 corresponding to the pressurization pipeline 3 are disposed on two sides of the mounting member 2. The bottom of the reinforcing seat 8 is slidably disposed on the slide rail 10, a mounting hole 80 is horizontally disposed on the sidewall of the reinforcing seat 8, and one end of the pressurizing pipeline 3 penetrates through the mounting hole 80 to be connected with the displacement rod 43. Reinforcing seat 8 is fixed with pressurization pipeline 3, and the bottom slides with slide rail 10, has further restricted pressurization pipeline 3's horizontal displacement direction, guarantees that reinforcing seat 8 can remove along with pressurization pipeline 3's removal.

As shown in fig. 1 and 3, the mounting base plate 1 is further provided with a pressing head 90a for further limiting the check valve and a downward pressing driving member 9 for driving the pressing head 90a to move up and down, so that the check valve detection structure is more stable. Specifically, in this embodiment, the pressing driving member 9 includes a pressing support 91 and a horizontal quick clamp 90, the pressing support 91 is disposed on the mounting base plate 1, and the pressing head 90a is mounted on the horizontal quick clamp 90. The type of the horizontal quick clamp 90 is GH-201C.

The utility model discloses a displacement control of push-and-pull driving piece 4 to the pressurization pipeline 3 of locating 2 both sides of installed part, it is spacing to installing the check valve in standing groove 20 to push down driving piece 9 drive press head 90a simultaneously, guarantees the stability of check valve installation, and then guarantees the stability of the sealed chamber that forms between check valve and the pressurization pipeline 3, through solenoid valve 7 control air current route, cooperates outside gas tightness detector 300 to realize the detection to the check valve gas tightness.

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. A high leakproofness check valve gas tightness detecting system which characterized in that includes:

a mounting base plate (1);

the mounting piece (2) is arranged on the mounting base plate (1) in a protruding mode, and a placing groove (20) is formed in the top end of the mounting piece (2); the placing grooves (20) penetrate through two end faces of the mounting piece (2);

the number of the pressurizing pipelines (3) is two, the two pressurizing pipelines (3) are respectively arranged on two sides of the mounting piece (2), one-way openings (30) are formed in the pressurizing pipelines (3), and the one-way openings (30) of the pressurizing pipelines (3) respectively correspond to two end positions of the placing groove (20);

the pressing pipeline (3) is arranged on the mounting base plate (1) and drives the pressing pipeline (3) to move back and forth relative to the mounting piece (2), and the driving end of the pushing-pulling driving piece (4) is fixedly connected with one end, far away from the one-way opening (30), of the pressing pipeline (3);

the electromagnetic valve (7) comprises an input port for communicating with an external air tightness detector and two output ports respectively communicated with the two pressurizing pipelines (3).

2. The high-tightness one-way valve airtightness detection system according to claim 1, wherein the placement groove (20) is opened horizontally, and the push-pull driving member (4) includes:

a push-pull driving piece mounting seat (42) arranged on the mounting base plate (1);

the displacement rod (43) is used for pushing the pressurizing pipeline (3) to horizontally move relative to the installation piece (2), and the displacement rod (43) is arranged on the push-pull driving piece installation seat (42) and horizontally slides relative to the push-pull driving piece installation seat (42);

one end of the displacement rod (43) is fixedly connected with one end of the pressurizing pipeline (3) far away from the one-way opening (30).

3. The high-sealing one-way valve airtightness detection system according to claim 2, wherein the push-pull driving member (4) is arranged in a mirror image manner with respect to the mounting member (2), the push-pull driving member (4) further comprises a rotating rod (41) and a push-pull linkage piece (40), one end of the displacement rod (43) is connected to the pressurization pipeline (3), the other end of the displacement rod (43) is hinged to the push-pull linkage piece (40), the other end of the push-pull linkage piece (40) is hinged to a side wall of the rotating rod (41), a hinge portion (4211) is arranged on the push-pull driving member mounting seat (42), and an end portion of the rotating rod (41) is hinged to the hinge portion (4211).

4. The high-tightness one-way valve airtightness detection system according to claim 1, further comprising a reinforcing seat (8), wherein one end of the reinforcing seat (8) is fixedly connected to the side wall of the pressurized pipeline (3), and the other end of the reinforcing seat (8) is slidably connected to the mounting base plate (1).

5. The high-tightness one-way valve airtightness detection system according to claim 4, wherein a mounting hole (80) is horizontally formed in a side wall of the reinforcing seat (8), and one end of the pressurization pipeline (3) penetrates through the mounting hole (80) and is connected with the output end of the push-pull driving member (4); the mounting base plate (1) further comprises a sliding rail (10), the sliding rail (10) is arranged below the reinforcing seat (8) corresponding to the displacement direction of the pressurizing pipeline (3), and the other end of the reinforcing seat (8) is arranged on the sliding rail (10) in a sliding mode.

6. The system for detecting the airtightness of a high-tightness one-way valve according to claim 3, wherein the push-pull linkage piece (40) comprises two linkage half pieces (400) respectively hinged to both sides of the displacement rod (43) and the rotation rod (41).

7. The high-tightness one-way valve airtightness detection system according to claim 1, wherein air flow branch pipes (31) are respectively arranged on the outer walls of the pressurization pipelines (3) and communicated with the inner cavities of the pipelines, the air flow branch pipes (31) are respectively connected with the electromagnetic valves (7), and the electromagnetic valves (7) are further connected with an air flow main pipe (32).

8. The system for detecting the airtightness of the one-way valve with high sealing performance according to claim 2, wherein a mounting portion (4210) is provided on the mounting seat (42) of the push-pull driving member, a limiting hole (42100) is horizontally formed in the mounting portion (4210), and the displacement rod (43) is slidably disposed in the limiting hole (42100).

9. The high-tightness one-way valve airtightness detection system according to claim 1, wherein a pressing head (90a) and a downward driving member (9) for driving the pressing head (90a) to move up and down are further provided on the mounting base plate (1), the downward driving member (9) is provided on the mounting base plate (1), and the pressing head (90a) is provided at an upper end of the placement groove (20) and connected to a driving end of the downward driving member (9).

10. The high-tightness one-way valve airtightness detection system according to claim 9, wherein the downward-pressing driving member (9) comprises a pressing support (91) and a horizontal quick clamp (90), the pressing support (91) is provided on the mounting base plate (1), and the pressing head (90a) is mounted on the horizontal quick clamp (90).