CN216899503U

CN216899503U - Special detector for container liquid bag valve

Info

Publication number: CN216899503U
Application number: CN202123160106.2U
Authority: CN
Inventors: 李志玉; 丛青日
Original assignee: Qingdao Lide Packaging Technology Co ltd
Current assignee: Qingdao Lide Packaging Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-05
Anticipated expiration: 2031-12-15

Abstract

The utility model provides a special detector for a container liquid bag valve, and belongs to the field of mechanical equipment. The detector comprises a base and a clamping mechanism, when a valve is detected, a servo motor rotates forwards, a first internal thread seat and a second internal thread seat are close to each other, a first fixing plate and a second fixing plate drive two mounting plates to be close to each other, the input end of the valve is clamped in a sealing seat clamping groove in the second fixing plate, the sealing seat clamping groove in the first fixing plate is waited to be clamped with the output end of the valve, a sealing ring in the clamping groove is matched, valve sealing is achieved, a booster pump works, gas enters the valve, a valve opening and closing device is closed, whether a pressure gauge has a value or not is observed, the tightness between the input end of the valve and the valve opening and closing device is judged, when the value of the pressure gauge is kept stable, when the value of the pressure gauge is reduced, the valve opening and closing device is unsealed to the output end of the valve, and detection of the valve is achieved.

Description

Special detector for container liquid bag valve

Technical Field

The utility model relates to the field of mechanical equipment, in particular to a special detector for a container liquid bag valve.

Background

The liquid bag valve is researched and developed into a new generation of special valve for the liquid bag according to years of manufacturing experience, use information provided by customers and a latest production process. The valve has the characteristics of more reliable tightness, more compact adhesion of the valve body, the flange and the liquid bag and the like, is suitable for container liquid bags and various water bags, and has the following characteristics: the butterfly valves with the specifications of 2 inches and 3 inches and 4 inches are connected by adopting flange screws, so that the mounting operation is very convenient and simple. The valve body is made of PP plastic, the valve core is sealed by using a silicon rubber material, and the valve is non-toxic and corrosion-resistant.

In the production process of the liquid bag valve, air tightness detection is required, so that a special detector for the container liquid bag valve is provided.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the utility model provides a detector special for a container liquid bag valve, when the valve is detected, a servo motor rotates forwards, a first internal thread seat and a second internal thread seat are close to each other, a first fixing plate and a second fixing plate drive two mounting plates to be close to each other, an input end of the valve is clamped in a clamping groove of a sealing seat on the second fixing plate, the clamping groove of the sealing seat on the first fixing plate is waited to be clamped with an output end of the valve, a sealing ring in the clamping groove is matched to realize valve sealing, a booster air pump works, air enters the valve, a valve opening and closing device is closed, whether a pressure gauge has a value or not is observed, the sealing performance between the input end of the valve and the valve opening and closing device is judged, when the value of the valve opening and closing device leaks, the valve opening and closing device is opened, and when the value of the pressure gauge is kept stable, the value of the pressure gauge is reduced, the valve opening and closing device does not seal at the output end of the valve, the detection of the valve is realized.

The utility model is realized by the following steps:

a special detector for a container liquid bag valve comprises a base and a clamping mechanism.

The base comprises a base shell, a booster pump is arranged on the bottom surface inside the base shell, the output end of the booster pump is communicated with a first communicating pipe, the other end of the first communicating pipe is communicated with a pipeline supporting seat, and one side of the pipeline supporting seat is communicated with a second communicating pipe;

the top surface of the base is provided with a clamping mechanism, the clamping mechanism comprises an outer shell, first opening parts are arranged on the surface of the outer shell close to two sides, a first bearing seat and a second bearing seat are respectively arranged in the outer shell close to two ends, a servo motor is arranged on one of the first bearing seat, a threaded rod is arranged between the first bearing seat and the second bearing seat, the output end of the servo motor is fixedly connected with one end of the threaded rod close to the first bearing seat, a first inner thread seat and a second inner thread seat are arranged on the surface of the threaded rod, connecting blocks are respectively arranged on two sides of the top ends of opposite surfaces of the first inner thread seat and the second inner thread seat, a first fixing plate and a second fixing plate are respectively arranged on the two connecting blocks positioned on the top surface of the first inner thread seat and the two connecting blocks positioned on the top surface of the second inner thread seat, the opposite face of first fixed plate with the second fixed plate all is equipped with the mounting panel, two the opposite face surface of mounting panel all is equipped with the seal receptacle, the second fixed plate is kept away from mounting panel side surface has seted up first inlet port, the second fixed plate with second inlet port, third inlet port and fourth inlet port have been seted up on the opposite face surface of first fixed plate, the second inlet port the third inlet port with the fourth inlet port communicates each other, and all with first inlet port communicates each other, first inlet port department intercommunication has the coupling, the coupling with the second communicates each other.

In an embodiment of the present invention, four corners of bottom surfaces of the first internal thread seat and the second internal thread seat are respectively provided with a slider, an inner bottom surface of the outer casing is provided with a slide rail adapted to the slider, and the slide rail is fixedly mounted on the inner bottom surface of the outer casing.

In an embodiment of the present invention, the surface of the threaded rod is provided with threads having opposite directions and the threads have the same length, and the first bearing seat and the second bearing seat are respectively located on the surfaces of the threads having different directions.

In one embodiment of the utility model, the number of the sealing seats on the surfaces of the opposite surfaces of the two mounting plates is three, the sealing seats correspond to one another, the opposite surfaces of the sealing seats are provided with clamping grooves and through holes, and sealing rings are arranged inside the clamping grooves.

In an embodiment of the present invention, the surface of the opposite surface of the first fixing plate and the second fixing plate is provided with three first through holes, the number of the first through holes is three, the first through holes are horizontally distributed on the surface of the first fixing plate by taking the central axis of the first fixing plate as a symmetry center, the pipe joints are arranged at the three first through holes, the positions of the three first through holes, which are far away from the mounting plate, are all provided, and the other ends of the three pipe joints are all communicated with pressure gauges.

In an embodiment of the utility model, the surfaces of the two mounting plates are respectively provided with three second through holes, and the three second through holes formed in the surface of the mounting plate on the surface of the first fixing plate are respectively communicated with the three first through holes and the three through holes formed in the surface of the sealing seat on the same side.

In an embodiment of the present invention, the three second through holes formed in the surface of the mounting plate on the surface of the second fixing plate are respectively communicated with the second air inlet hole, the third air inlet hole and the fourth air inlet hole, and are respectively communicated with the three through holes formed in the surfaces of the sealing seats on the same side.

In one embodiment of the present invention, the top end of the connection block passes through the first opening portion, and the height of the connection block is higher than the top surface of the first opening portion.

In an embodiment of the present invention, the opposite surfaces of the first female screw seat and the second female screw seat are both opened with a second opening portion, and the diameter of the second opening portion is larger than the diameter of the threaded rod at the center.

The utility model has the beneficial effects that: the utility model obtains the detector special for the container liquid bag valve through the design, when the valve is detected, the servo motor rotates forwards, the first internal thread seat and the second internal thread seat are close to each other, the first fixing plate and the second fixing plate drive the two mounting plates to be close to each other, the input end of the valve is clamped in the clamping groove of the sealing seat on the second fixing plate, the clamping groove of the sealing seat on the first fixing plate is waited to be clamped with the output end of the valve, the sealing of the valve is realized by matching with the sealing ring in the clamping groove, the pressurization air pump works, air enters the valve, the valve opening and closing device is closed, whether the pressure gauge has a value is observed, the sealing performance between the input end of the valve and the valve opening and closing device is judged, when the value exists, the air leakage of the valve opening and closing device is not sealed, the valve opening and closing device is opened, and when the value of the pressure gauge is kept stable, the value of the pressure gauge is reduced, the valve opening and closing device is not sealed at the output end of the valve, the detection of the valve is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a detector dedicated to a container liquid bag valve according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a detector dedicated to a container liquid bag valve according to an embodiment of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a container liquid bag valve special detector for removing shells according to an embodiment of the present invention;

FIG. 4 is a schematic view of a de-shelling plan structure of a detector dedicated for a container liquid bag valve, according to an embodiment of the present invention;

fig. 5 is a perspective exploded view of a second fixing plate and a mounting plate according to an embodiment of the present invention;

fig. 6 is a perspective exploded view of a first fixing plate and a mounting plate according to an embodiment of the present invention;

fig. 7 is a front plan view of a first fixing plate according to an embodiment of the present invention;

fig. 8 is a schematic sectional view along a-a in fig. 7.

In the figure: 100. a base; 1001. a base housing; 1002. a pressurization air pump; 1003. a first communication pipe; 1004. a pipeline supporting seat; 1005. a second communicating pipe; 200. a clamping mechanism; 2001. an outer housing; 2002. a first opening portion; 2003. connecting blocks; 2004. a slide rail; 2005. a slider; 2006. a first fixing plate; 2007. a second fixing plate; 2008. a pressure gauge; 2009. a servo motor; 2010. a first bearing housing; 2011. a second bearing housing; 2012. a threaded rod; 2013. a pipe joint; 2014. mounting a plate; 2015. a second through hole; 2016. a sealing seat; 2017. a card slot; 2018. a seal ring; 2019. a first air intake hole; 2020. a second air intake hole; 2021. a third air inlet hole; 2022. a fourth air intake hole; 2023. a first female screw seat; 2024. a second opening portion; 2025. a second female screw seat; 2026. the first through hole is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

Referring to fig. 1-8, the present invention provides a technical solution: a detector special for a container liquid bag valve comprises a base 100 and a clamping mechanism 200.

Referring to fig. 1-8, during operation, the servo motor 2009 rotates to drive the threaded rod 2012 to rotate, because the threads formed on the surface of the threaded rod 2012 are opposite in direction and have the same thread length, and the first female socket 2023 and the second female socket 2025 are respectively located on the surfaces of the threads in different directions, when a valve needs to be detected, the servo motor 2009 rotates forward, the first female socket 2023 and the second female socket 2025 approach each other, the first fixing plate 2006 on the top surface of the first female socket 2023 and the second fixing plate 2007 on the top surface of the second female socket 2025 drive the two mounting plates 2014 to approach each other, the input end of the valve is engaged with the engaging slot 2017 formed on the surface of the sealing seat 2016 on the mounting plate 2014 on the surface of the second fixing plate 2007, and the engaging slot 2017 formed on the surface of the sealing seat 2016 on the mounting plate 2014 on the surface of the first fixing plate 2006 is waited for engaging with the output end of the valve, and cooperate with the sealing washer 2018 in the draw-in groove 2017, realize the inside sealing to the valve, work through the booster air pump 1002, gaseous through first communicating pipe 1003, the second communicating pipe 1005, first inlet port 2019, the second inlet port 2020, third inlet port 2021 and fourth inlet port 2022 get into the inside of valve, close the valve headstock gear, through observing and the valve output end, through observing whether manometer 2008 that first through-hole 2026 connects has the numerical value, judge the leakproofness between valve input end to the valve headstock gear, valve headstock gear leaks gas and is unsealed when having the numerical value, open the valve headstock gear, manometer 2008 numerical value keeps steady, when manometer 2008 numerical value descends, the valve headstock gear is unsealed to valve output end department, consequently, realize the detection to the valve.

Specifically, as shown in fig. 1 to 8, the base 100 includes a base housing 1001, a booster pump 1002 is disposed on an inner bottom surface of the base housing 1001, an output end of the booster pump 1002 is communicated with a first communicating pipe 1003, another end of the first communicating pipe 1003 is communicated with a pipeline supporting base 1004, and one side of the pipeline supporting base 1004 is communicated with a second communicating pipe 1005;

the top surface of the base 100 is provided with a clamping mechanism 200, the clamping mechanism 200 comprises an outer shell 2001, the surface of the outer shell 2001 is provided with first opening portions 2002 near both sides, the inside of the outer shell 2001 is provided with a first bearing seat 2010 and a second bearing seat 2011 near both ends, one of the first bearing seat 2010 is provided with a servo motor 2009, a threaded rod 2012 is arranged between the first bearing seat 2010 and the second bearing seat 2011, the output end of the servo motor 2009 is fixedly connected with one end of the threaded rod 2012 near the first bearing seat 2010, the surface of the threaded rod 2012 is provided with a first inner thread seat 2023 and a second inner thread seat 2025, both sides of the top ends of opposite surfaces of the first inner thread seat 2023 and the second inner thread seat 2025 are provided with connecting blocks 2003, the top surfaces of the two connecting blocks 2003 located on the top surface of the first inner thread seat 2023 and the two connecting blocks 2003 located on the top surface of the second inner thread seat 2025 are provided with a first fixing plate 2006 and a second fixing plate 2007 respectively, the opposite surfaces of the first fixing plate 2006 and the second fixing plate 2007 are provided with mounting plates 2014, the opposite surface surfaces of the two mounting plates 2014 are provided with sealing seats 2016, the surface of one side, away from the mounting plate 2014, of the second fixing plate 2007 is provided with a first air inlet hole 2019, the surface of the opposite surface of the second fixing plate 2007 and the first fixing plate 2006 is provided with a second air inlet hole 2020, a third air inlet hole 2021 and a fourth air inlet hole 2022, the second air inlet hole 2020, the third air inlet hole 2021 and the fourth air inlet hole 2022 are communicated with each other and are communicated with the first air inlet hole 2019, the first air inlet hole 2019 is communicated with a pipe joint 2013, the pipe joint 2013 is communicated with a second communicating pipe 1005, and the second communicating pipe 1005 is a flexible hose.

As an embodiment of the present invention, further, four corners of bottom surfaces of the first internal thread seat 2023 and the second internal thread seat 2025 are provided with sliders 2005, the inner bottom surface of the outer shell 2001 is provided with slide rails 2004 matched with the sliders 2005, and the slide rails 2004 are fixedly mounted on the inner bottom surface of the outer shell 2001.

As an embodiment of the present invention, further, the surface of the threaded rod 2012 is provided with threads with opposite directions and the same length, and the first female socket 2023 and the second female socket 2025 are respectively located on the surfaces of the threads with different directions.

As an embodiment of the present invention, further, the number of the sealing seats 2016 located on the surfaces of the opposite surfaces of the two mounting plates 2014 is three, and the sealing seats 2016 are in one-to-one correspondence, the opposite surfaces of the sealing seats 2016 are both provided with a slot 2017 and a through hole, and a sealing ring 2018 is disposed inside the slot 2017.

As an embodiment of the present invention, further, the surfaces of the opposing surfaces of the first fixing plate 2006 and the second fixing plate 2007 are provided with three first through holes 2026, the number of the first through holes 2026 is three, the first through holes are horizontally distributed on the surface of the first fixing plate 2006 with the central axis of the first fixing plate 2006 as a symmetry center, the three first through holes 2026 are all provided with tube joints 2013 at the side of the three first through holes 2026 away from the mounting plate 2014, and the other ends of the three tube joints 2013 are all communicated with the pressure gauge 2008.

As an embodiment of the present invention, further, the surfaces of the two mounting plates 2014 are respectively provided with three second through holes 2015, the three second through holes 2015 are formed in the surfaces of the mounting plates 2014 on the surface of the first fixing plate 2006 and are respectively communicated with the three first through holes 2026 and the through holes formed in the surfaces of the three sealing seats 2016 on the same side.

As an embodiment of the present invention, three second through holes 2015 formed in the surface of the mounting plate 2014 on the surface of the second fixing plate 2007 are respectively communicated with the second air inlet hole 2020, the third air inlet hole 2021 and the fourth air inlet hole 2022, and are respectively communicated with three through holes formed in the surface of the sealing seat 2016 on the same side.

Further, as an embodiment of the present invention, a top end of the connection block 2003 passes through the first opening portion 2002, and a height of the connection block 2003 is higher than a top surface of the first opening portion 2002.

As an embodiment of the present invention, further, the opposing surfaces of the first female screw seat 2023 and the second female screw seat 2025 are opened with a second opening 2024, and the diameter of the second opening 2024 is larger than the diameter of the center of the threaded rod 2012.

Specifically, this special detector of container liquid bag valve's theory of operation: during operation, the servo motor 2009 rotates to drive the threaded rod 2012 to rotate, because the threads formed on the surface of the threaded rod 2012 are opposite in direction and the same in thread length, and the first inner threaded seat 2023 and the second inner threaded seat 2025 are respectively located on the surfaces of the threads in different directions, when a valve needs to be detected, the servo motor 2009 rotates forward, the first inner threaded seat 2023 and the second inner threaded seat 2025 approach each other, the first fixing plate 2006 on the top surface of the first inner threaded seat 2023 and the second fixing plate 2007 on the top surface of the second inner threaded seat 2025 drive the two mounting plates 2014 to approach each other, the input end of the valve is clamped in the clamping groove 2017 formed on the surface of the sealing seat 2016 on the mounting plate 2014 on the surface of the second fixing plate 2007, the clamping groove 2017 formed on the surface of the mounting plate 2014 on the surface of the first fixing plate 2006 is clamped with the output end of the valve, and is matched with the sealing ring 2018 in the clamping groove 2017, the realization is to the inside sealed of valve, work through supercharged air pump 1002, gaseous first communicating pipe 1003, second communicating pipe 1005, first inlet port 2019, second inlet port 2020, third inlet port 2021 and fourth inlet port 2022 get into the inside of valve, close the valve headstock gear, through observing and the valve output, manometer 2008 through observing first through-hole department 2026 and connecting has numerical value, judge the leakproofness between valve input to the valve headstock gear, valve headstock gear gas leakage is not sealed when having numerical value, open the valve headstock gear, manometer 2008 numerical value keeps when steady, when manometer 2008 numerical value descends, the valve headstock gear is not sealed to valve output end, consequently, realize the detection to the valve.

It should be noted that the specific models and specifications of the servo motor 2009 and the booster pump 1002 need to be determined by type selection according to the actual specification and the like of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A special detector for a container liquid bag valve is characterized by comprising

The base (100) comprises a base shell (1001), a booster pump (1002) is arranged on the bottom surface inside the base shell (1001), the output end of the booster pump (1002) is communicated with a first communicating pipe (1003), the other end of the first communicating pipe (1003) is communicated with a pipeline supporting seat (1004), and one side of the pipeline supporting seat (1004) is communicated with a second communicating pipe (1005);

the top surface of the base (100) is provided with a clamping mechanism (200), the clamping mechanism (200) comprises an outer shell (2001), first opening portions (2002) are formed in the surface of the outer shell (2001) close to two sides, a first bearing seat (2010) and a second bearing seat (2011) are respectively arranged in the outer shell (2001) close to two ends, a servo motor (2009) is arranged on one of the first bearing seats (2010), a threaded rod (2012) is arranged between the first bearing seat (2010) and the second bearing seat (2011), the output end of the servo motor (2009) is fixedly connected with one end, close to the first bearing seat (2010), of the threaded rod (2012), a first internal thread seat (2023) and a second internal thread seat (2025) are arranged on the surface of the threaded rod (2012), connecting blocks (2003) are arranged on two sides of the top ends of opposite surfaces of the first internal thread seat (2023) and the second internal thread seat (2025), the two connecting blocks (2003) positioned on the top surface of the first internal thread seat (2023) and the two connecting blocks (2003) positioned on the top surface of the second internal thread seat (2025) are respectively provided with a first fixing plate (2006) and a second fixing plate (2007), the opposite surfaces of the first fixing plate (2006) and the second fixing plate (2007) are respectively provided with a mounting plate (2014), the opposite surface surfaces of the two mounting plates (2014) are respectively provided with a sealing seat (2016), the side surface of the second fixing plate (2007) far away from the mounting plate (2014) is provided with a first air inlet hole (2019), the opposite surface of the second fixing plate (2007) and the first fixing plate (2006) is provided with a second air inlet hole (2020), a third air inlet hole (2021) and a fourth air inlet hole (2022), and the second air inlet hole (2020), the third air inlet hole (2021) and the fourth air inlet hole (2022) are communicated with each other, and are communicated with the first air inlet holes (2019), the first air inlet holes (2019) are communicated with pipe joints (2013), and the pipe joints (2013) are communicated with the second communicating pipe (1005).

2. The detector of claim 1, wherein sliders (2005) are disposed at four corners of bottom surfaces of the first internal thread seat (2023) and the second internal thread seat (2025), a slide rail (2004) adapted to the sliders (2005) is disposed on an inner bottom surface of the outer housing (2001), and the slide rail (2004) is fixedly mounted on the inner bottom surface of the outer housing (2001).

3. The detector as claimed in claim 1, wherein the threaded rod (2012) has threads with opposite directions and the same length, and the first bearing seat (2010) and the second bearing seat (2011) are respectively located on the surfaces of the threads with different directions.

4. The detector as claimed in claim 1, wherein the number of the sealing seats (2016) on the opposite surfaces of the two mounting plates (2014) is three, the sealing seats (2016) are in one-to-one correspondence, the opposite surfaces of the sealing seats (2016) are provided with slots (2017) and through holes, and the sealing rings (2018) are disposed inside the slots (2017).

5. The detector of claim 1, wherein the surface of the opposite surface of the first fixing plate (2006) and the second fixing plate (2007) is provided with three first through holes (2026), the number of the first through holes (2026) is three, the first through holes are horizontally distributed on the surface of the first fixing plate (2006) by taking the central axis of the first fixing plate (2006) as a symmetry center, the three first through holes (2026), the pipe joints (2013) are arranged at the positions of the three first through holes (2026) far away from the mounting plate (2014), and the other ends of the three pipe joints (2013) are communicated with a pressure gauge (2008).

6. The special detector of claim 5, characterized in that two second through holes (2015) have been all seted up on the surface of mounting panel (2014), the quantity of second through holes (2015) is three, is located on first fixed plate (2006) surface three set up on mounting panel (2014) surface second through holes (2015) communicate with three respectively first through holes (2026) and the through-hole that three be located the seal receptacle (2016) surface of homonymy was seted up each other.

7. The detector as claimed in claim 6, wherein the three second through holes (2015) formed in the surface of the mounting plate (2014) on the surface of the second fixing plate (2007) are respectively communicated with the second air inlet hole (2020), the third air inlet hole (2021) and the fourth air inlet hole (2022), and respectively communicated with the through holes formed in the surfaces of the three sealing seats (2016) on the same side.

8. The detector as claimed in claim 1, wherein the top end of the connecting block (2003) passes through the first opening (2002), and the height of the connecting block (2003) is higher than the top surface of the first opening (2002).

9. The detector as claimed in claim 1, wherein the first and second female screw seats (2023, 2025) each have a second opening (2024) formed on opposite surfaces thereof, and the diameter of the second opening (2024) is larger than the diameter of the threaded rod (2012) at the center thereof.