CN216955877U

CN216955877U - Air detection gas chromatograph

Info

Publication number: CN216955877U
Application number: CN202122371073.XU
Authority: CN
Inventors: 韩春玲; 唐苏苏; 赵荣来
Original assignee: Ningbo Ningle Construction Engineering Testing Co ltd
Current assignee: Ningbo Ningle Construction Engineering Testing Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-07-12
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to an empty gas chromatograph that surveys, belong to chromatographic technique equipment technical field, it includes the box and is located display and the button disc on the box, the button disc is located the below of display, still including setting up the shielding piece that is used for hiding button disc and display on the box, the button disc projection of upper level on the box and the projection of display upper level all are located shielding piece projection at the box upper level, one side rotation that shielding piece is close to the box bottom surface is connected in the box, at least one locking hole has been seted up to shielding piece circumference, it is connected with the initiative subassembly to rotate on the box, initiative subassembly one side slides and installs driven subassembly, the initiative subassembly orders about driven subassembly and inserts or breaks away from the locking hole. This application has effectively avoided end cover and other instruments to take place the effect of interfering.

Description

Air detection gas chromatograph

Technical Field

The application relates to the field of chromatographic equipment, in particular to an air detection gas chromatograph.

Background

An air detection gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by utilizing a chromatographic separation technology and a detection technology, and auxiliary instruments for auxiliary detection are usually placed on two sides of the air detection gas chromatograph. The last button dish that is provided with the adjustment parameter of empty gas detection survey gas chromatograph and the display of watching data, to avoid the in-process staff mistake at the detection analysis sample to touch the button dish and lead to the testing result inaccurate, empty gas detection survey gas chromatograph goes up to rotate to be connected with to open and shut to the left and right sides direction and be used for sheltering from the sheltering from lid of button dish and display, and the sheltering from lid after opening extends empty gas detection survey gas chromatograph.

In view of the above-mentioned related art, the inventor believes that an operator needs to open the shielding cover to set parameters by operating the button during the process of detecting and analyzing a sample, and the shielding cover is likely to collide with an auxiliary instrument on the side of the air detection gas chromatograph after being opened.

SUMMERY OF THE UTILITY MODEL

In order to reduce the influence on other instruments when shielding the lid and opening, the application provides an air detection gas chromatograph.

The application provides a gas chromatograph for air detection, adopts following technical scheme:

the utility model provides an empty gas chromatograph that surveys, includes the box and is located display and the button panel on the box, and the button panel is located the below of display, empty gas chromatograph that surveys still including set up in be used for hiding the shielding piece of button panel and display on the box, the button panel is in the box upper level projection with the display is in the box upper level projection all is located the shielding piece is in the box upper level projection, the shielding piece is close to one side of box bottom surface is rotated connect in the box, at least one locking hole has been seted up to shielding piece circumference, it is connected with the initiative subassembly to rotate on the box, initiative subassembly one side slides and installs driven subassembly, the initiative subassembly orders about driven subassembly inserts or breaks away from the locking hole.

Through adopting above-mentioned technical scheme, set up the rotation department of shielding piece in the downside of shielding piece, effectively avoided colliding with the auxiliary instrument of empty gas detection chromatograph both sides when the shielding piece is opened, rotate the locking hole that initiative subassembly drive driven subassembly removed insert the shielding piece and fix the shielding piece, the effectual problem of colliding between shielding piece and other instruments of having solved.

Optionally, the shielding member is provided with an observation hole through which the display can be observed, the shielding member is provided with a dust guard for shielding the observation hole, and the dust guard is made of a transparent material.

Through adopting above-mentioned technical scheme, set up the observation hole of observing the display on the shielding piece for need not open the data on the shielding piece just can watch the display in the instrument test process, the dust guard set up the effectual dust of having avoided causing the influence to the definition of display on being attached to the display.

Optionally, a first caulking groove is formed in the shielding piece, a female magnetic piece is embedded in the groove of the first caulking groove, a second caulking groove is formed in the box body, and a sub-magnetic piece attracted to the female magnetic piece is embedded in the groove of the second caulking groove.

Through adopting above-mentioned technical scheme, the joint spare is embedded into in the downthehole of joint hole for female magnetic part is more firm in first caulking groove internal fixation, inlays the son magnetic part and adorns in the inslot of second caulking groove and make son magnetic part location, is convenient for son magnetic part and female magnetic part adsorb.

Optionally, a placing groove is formed in the box body, the driving assembly is located in the groove of the placing groove, the driving assembly comprises a rotating shaft, a driving piece and a rebounding piece, one end of the rotating shaft is fixedly connected to the bottom of the placing groove, the driving piece is sleeved on the rotating shaft, the driving piece is close to the end face of the bottom of the placing groove, a containing groove is formed in the end face of the bottom of the placing groove, and the rebounding piece is located in the groove of the containing groove.

Through adopting above-mentioned technical scheme, the axis of rotation is located to the initiative piece cover to use the axis of rotation to be circular motion as the center, get back to original initial position after the initiative piece rotates under the effect of rebound spare, the utilization ratio in space has been improved in setting up of standing groove and holding tank.

Optionally, be provided with the drive on the box the rotatory button of driving part pivoted, the driving part is kept away from be provided with the constant head tank on the terminal surface of standing groove tank bottom, the relative both ends face of constant head tank all is equipped with the draw-in groove in the concave, the rotatory button is close to fixedly connected with on the terminal surface of standing groove tank bottom with the locating piece of positioning groove looks adaptation, the locating piece epirelief be equipped with the fixture block of draw-in groove adaptation.

Through adopting above-mentioned technical scheme, the fixture block makes the locating piece be difficult to break away from out the constant head tank with the draw-in groove cooperation, makes the initiative piece rotate through the application of force to the knob and makes the operation more convenient.

Optionally, the driven subassembly is located the inslot of standing groove, the driven subassembly includes the sliding part that slides on the box, inserts or breaks away from the plug connector in locking hole and with driving part complex follower, the one end of sliding part with plug connector fixed connection, follower fixed connection is close to on the terminal surface of driving part, the sliding part is close to be provided with the slider on the terminal surface of the tank bottom of standing groove, the confession has been seted up to the tank bottom of standing groove the sliding groove that the slider removed.

Through adopting above-mentioned technical scheme, the cooperation of driving piece and follower makes the slider drive the sliding part and make directional motion along the groove that slides, and then makes the plug connector insert or break away from out the locking hole.

Optionally, the sliding groove is far away from one end of the shielding piece is provided with an embedded groove for the slider to be placed in, and the sliding block is prevented from being separated from the limiting block of the embedded groove by the fixed mounting in the embedded groove.

Through adopting above-mentioned technical scheme, the slider can put into the inslot that slides the groove through the embedded groove, breaks away from the inslot that slides the groove with stopper fixed mounting in the embedded groove in order to prevent that the slider from.

Optionally, a first limit groove is formed in the rotating shaft, a second limit groove is formed in the end face, far away from the groove bottom, of the accommodating groove, the rebound part is a clockwork spring, and two ends of the rebound part are respectively inserted into the groove of the first limit groove and the groove of the second limit groove.

Through adopting above-mentioned technical scheme, the both ends of resilience piece are inserted first spacing groove and second spacing groove respectively and are fixed a position resilience piece.

Optionally, a cover plate for covering the placing groove is fixedly connected to the end face, far away from the bottom of the placing groove, of the box body, and the driving assembly and the driven assembly are limited in the groove of the placing groove by the cover plate.

Through adopting above-mentioned technical scheme, the setting of apron has prevented that the driven subassembly in the standing groove from breaking away from out the standing groove with the initiative subassembly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the end cover is opened by adopting up-and-down rotation, so that the end cover is effectively prevented from colliding with other instruments on two sides of the air detection gas chromatograph when being opened;

2. the viewable window is positioned so that data on the display is visible without opening the barrier.

Drawings

Fig. 1 is a schematic diagram of the overall structure in the embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an exploded view of the shutter, the parent magnetic member, and the child magnetic member in the embodiment of the present application.

Fig. 4 is an exploded view of the locking mechanism and the case in the embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is an exploded view of the locking mechanism in the embodiment of the present application.

Fig. 7 is a schematic structural diagram of an active member in the embodiment of the present application.

Figure 8 is an exploded view of the locking mechanism, the housing and the shield in an embodiment of the present application.

Description of reference numerals: 1. a box body; 11. a placement groove; 111. a stepped groove; 12. a groove is embedded; 13. a limiting block; 14. a sliding groove; 15. a yielding inserting groove; 16. a sub-magnetic member; 17. a second caulking groove; 18. supporting a lug; 19. an overhanging piece; 191. a cover plate; 2. a shield; 21. a yielding groove; 22. an observation hole; 23. a locking hole; 24. rotating the strip; 25. a rotation pin; 26. a first caulking groove; 27. a female magnetic member; 28. a handle; 29. a dust-proof plate; 3. a locking mechanism; 31. a driven assembly; 311. a sliding member; 312. a plug-in unit; 313. a slider; 314. a driven member; 32. an active component; 321. accommodating grooves; 322. a second limit groove; 323. positioning a groove; 324. a card slot; 33. a rotating shaft; 331. a first limit groove; 34. a driving member; 35. a resilient member; 4. a rotation knob; 41. positioning blocks; 411. a clamping block; 5. a button pad; 6. and a display.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses air detection gas chromatograph. Referring to fig. 1, the air detection gas chromatograph includes a housing 1, a button plate 5, a display 6, a shutter 2, and a lock mechanism 3, the button plate 5 being located on the same end face of the housing 1 as the display 6, the button plate 5 being located below the display 6. When the shielding piece 2 is covered, the horizontal projection of the display 6 on the box body 1 and the horizontal projection of the button disc 5 on the box body 1 are both positioned in the horizontal projection range of the shielding piece 2 on the box body 1, the shielding piece 2 is rotatably connected to the box body 1, the lower end of the shielding piece 2 rotates relative to the box body 1, the locking mechanism 3 is positioned above the display 6, and the locking mechanism 3 locks the shielding piece 2 after the shielding piece 2 is covered.

Referring to fig. 2 and 3, a rotatable strip 24 is integrally connected to the shield 2, the strip 24 being located on one side of the shield 2. The box body 1 is integrally connected with two support lugs 18, the rotating strip 24 is positioned between the two support lugs 18, the rotating strip 24 is rotatably connected with the two support lugs 18 through a rotating pin 25, and two ends of the rotating pin 25 are respectively flush with the end surfaces, far away from the rotating strip 24, of the two support lugs 18.

Offer the groove of stepping down 21 on one terminal surface of shielding piece 2, the groove of stepping down 21 is located the same one side of shielding piece 2 with rotation strip 24, and the tank bottom of the groove of stepping down 21 has seted up observation hole 22, and observation hole 22 runs through shielding piece 2, and when shielding piece 2 covered, the horizontal projection of observation hole 22 on box 1 coincided with the horizontal projection of display 6 on box 1. The end face, away from the notch of the abdicating groove 21, of the shielding piece 2 is fixed with a dust-proof plate 29 through a bolt, and the dust-proof plate 29 is a transparent acrylic plate in the embodiment. A handle 28 which is convenient for opening the shielding piece is fixed on the shielding piece 2 through welding, the handle 28 is positioned on the end face of the notch of the shielding piece 2 far away from the abdicating groove 21, and the handle 28 is positioned above the dust-proof plate 29.

First caulking grooves 26 are formed in two side walls of the vertical rotating strip 24 of the abdicating groove 21, the first caulking grooves 26 are located on the end face far away from the bottom of the abdicating groove 21, the two first caulking grooves 26 are embedded and fixedly adhered with the female magnetic parts 27 matched with the first caulking grooves 26, and the end face, far away from the bottom of the first caulking groove 26, of each female magnetic part 27 is flush with the end face, far away from the bottom of the abdicating groove 21, of the shielding part 2. Two second caulking grooves 17 are formed in the box body 1, the grooves of the two second caulking grooves 17 are embedded and fixedly adhered with the sub magnetic parts 16, the two sub magnetic parts 16 are respectively used for being adsorbed with the two main magnetic parts 27, and the end face, far away from the bottom of the second caulking groove 17, of the sub magnetic part 16 is flush with the end face, far away from the bottom of the abdicating groove 21, of the shielding part 2.

Referring to fig. 4 and 5, an overhang piece 19 is integrally connected to the top of the display 6, one end of the overhang piece 19 away from the box body 1 protrudes out of the display 6, a placing groove 11 for accommodating the locking mechanism 3 is formed in the end face of the overhang piece 19 away from the box body 1, a notch of the placing groove 11 is provided with a stepped groove 111, a cover plate 191 is fixed to the bottom of the stepped groove 111 through a bolt, and the end face of the cover plate 191 away from the bottom of the stepped groove 111 is flush with the end face of the overhang piece 19 protruding out of the display 6.

The locking mechanism 3 comprises a driving assembly 32 and a driven assembly 31, wherein the driven assembly 31 is positioned at one side of the driving assembly 32, and the driving assembly 32 enables the driven assembly 31 to move through rotation.

Referring to fig. 5 and 6, the driving assembly 32 includes a rotating shaft 33, a driving member 34, a resilient member 35 and the rotation knob 4, the rotating shaft 33 is integrally connected to the overhanging member 19, and an end of the rotating shaft 33 away from the bottom of the placing groove 11 does not protrude from the notch of the placing groove 11. The driving member 34 is sleeved on the rotating shaft 33, an end surface of the driving member 34 close to the bottom of the placing groove 11 abuts against the bottom of the placing groove 11, in this embodiment, the driving member 34 is a gear,

an accommodating groove 321 is formed in the end face of the driving part 34 close to the bottom of the placing groove 11, and the orthographic projection of the rotating shaft 33 on the bottom of the placing groove 11 is located in the orthographic projection range of the accommodating groove 321 on the bottom of the placing groove 11. Rebound member 35 is located the inslot of holding tank 321, and rebound member 35 is the clockwork spring in this embodiment, has seted up first spacing groove 331 on the lateral wall of axis of rotation 33, has seted up second spacing groove 322 on the terminal surface that holding tank 321 kept away from the tank bottom, and second spacing groove 322 runs through the terminal surface of keeping away from the holding tank 321 tank bottom, and the inslot of first spacing groove 331 and the inslot of second spacing groove 322 are inserted respectively to the both ends of rebound member 35.

Driven component 31 includes sliding part 311, plug connector 312 and follower 314, follower 314 and the cooperation of drive part 34, drive part 34 rotates and drives follower 314 and remove, follower 314 is the rack in this embodiment, sliding part 311 an organic whole is connected in one side that drive part 34 was kept away from to follower 314, plug connector 312 an organic whole is connected on sliding part 311 is close to the terminal surface of display 6, standing groove 11 is close to offering the inserting groove 15 of stepping down that runs through overhanging part 19 on the lateral wall of box 1 bottom surface, stepping down inserting groove 15 runs through the terminal surface that overhanging part 19 kept away from standing groove 11 tank bottom, blocking hole 23 has been seted up to shielding part 2 up end. The plug member 312 is located in the slot of the abdicating plug groove 15, and one end of the plug member 312 far away from the sliding member 311 protrudes the abdicating plug groove 15 and is inserted into the hole of the locking hole 23. The slider 313 is integrally arranged on the end face of the sliding piece 311 close to the bottom of the placing groove 11, the profile of the slider 313 in the embodiment is in a dovetail shape, the bottom of the placing groove 11 is provided with an embedded groove 12 in the vertical direction and a sliding groove 14 in the vertical direction, the embedded groove 12 is located at the upper end of the vertical direction of the sliding groove 14, the sliding groove 14 and the embedded groove 12 are communicated along the vertical direction, the height of the vertical direction of the slider 313 is smaller than that of the vertical direction of the embedded groove 12, a limiting block 13 matched with the embedded groove 12 is fixed in the groove of the embedded groove 12 through a bolt, and one end of the limiting block 13 far away from the bottom of the embedded groove 12 is located in the groove of the placing groove 11.

Referring to fig. 6 and 7, an end surface of the driving member 34 away from the bottom of the placing slot 11 is provided with at least one positioning groove 323, preferably two positioning grooves 323 in this embodiment, two opposite end surfaces of each positioning groove 323 are recessed with a locking groove 324, and in this embodiment, the locking groove 324 is semi-spherical. The end face of the rotary knob 4 close to the driving member 34 is integrally connected with two positioning blocks 41, the two positioning blocks 41 are respectively inserted into the two positioning grooves 323, each positioning block 41 is convexly provided with two clamping blocks 411 respectively corresponding to the two clamping grooves 324, the rotary knob 4 penetrates through the cover plate 191, and one end of the rotary knob 4 far away from the driving member 34 protrudes out of the cover plate 191.

Referring to fig. 8, the rotation knob 4 rotates to drive the driving member 34 to rotate, the driving member 34 rotates to move the driven member 314 engaged with the driving member 34 in the vertical direction, so that the plug connector 312 is inserted into or separated from the locking hole 23, and the resilient member 35 restores the rotated driving member 34 to the position before rotation, so that the driven member 314 drives the plug connector 312 to slide to the initial position.

The implementation principle of the air detection gas chromatograph in the embodiment of the application is as follows: when shielding member 2 rotates to cover, rotate knob 4 through the application of force to knob 4 and make initiative piece 34 rotate, and then drive driven component 31 and remove and give way for shielding member 2 along vertical direction, female magnetic part 27 adsorbs each other with son magnetic part 16 with shielding member 2 reservation on being located box 1, removes the application of force to knob 4 this moment, knob 4 resumes the normal position under the elasticity of rebound piece 35, and then makes driven component 31 insert and fix shielding member 2 in shielding member 2's locking hole 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an empty gas chromatograph that surveys, includes box (1) and is located display (6) and button panel (5) on box (1), and button panel (5) are located the below of display (6), its characterized in that: the air detection gas chromatograph also comprises a shielding piece (2) which is arranged on the box body (1) and is used for covering the button disc (5) and the display (6), the horizontal projection of the button disc (5) on the box body (1) and the horizontal projection of the display (6) on the box body (1) are both positioned in the horizontal projection of the shielding piece (2) on the box body (1), one side of the shielding piece (2) close to the bottom surface of the box body (1) is rotatably connected with the box body (1), at least one locking hole (23) is formed in the circumferential direction of the shielding piece (2), a driving assembly (32) is rotatably connected to the box body (1), and a driven component (31) is slidably mounted on one side of the driving component (32), and the driving component (32) drives the driven component (31) to be inserted into or separated from the locking hole (23).

2. An air detecting gas chromatograph according to claim 1, wherein: the display screen is characterized in that the shielding piece (2) is provided with an observation hole (22) for observing the display (6), a dust guard (29) for shielding the observation hole (22) is installed on the shielding piece (2), and the dust guard (29) is made of transparent materials.

3. An air detection gas chromatograph according to claim 1, wherein: the shielding piece (2) is provided with a first caulking groove (26), a female magnetic piece (27) is embedded in the groove of the first caulking groove (26), the box body (1) is provided with a second caulking groove (17), and a sub-magnetic piece (16) attracted by the female magnetic piece (27) is embedded in the groove of the second caulking groove (17).

4. An air detection gas chromatograph according to claim 1, wherein: the utility model discloses a storage battery box, including box (1), place groove (11) have been seted up on box (1), initiative subassembly (32) are located the inslot of place groove (11), initiative subassembly (32) include axis of rotation (33), initiative piece (34) and resilience piece (35), axis of rotation (33) one end fixed connection in the tank bottom of place groove (11), initiative piece (34) cover is located on axis of rotation (33), initiative piece (34) are close to holding tank (321) have been seted up to the terminal surface of place groove (11) tank bottom, resilience piece (35) are located the inslot of holding tank (321).

5. An air detection gas chromatograph according to claim 4, wherein: be provided with the drive on box (1) drive piece (34) pivoted knob (4), drive piece (34) are kept away from be provided with constant head tank (323) on the terminal surface of standing groove (11) tank bottom, constant head tank (323) both ends face relatively all is equipped with draw-in groove (324) in a concave way, knob (4) are close to fixedly connected with on the terminal surface of standing groove (11) tank bottom with locating piece (41) of constant head tank (323) looks adaptation, locating piece (41) epirelief be equipped with fixture block (411) of draw-in groove (324) adaptation.

6. An air detection gas chromatograph according to claim 5, wherein: driven subassembly (31) are located the inslot of standing groove (11), driven subassembly (31) include sliding piece (311) that slides on box (1), insert or break away from plug connector (312) of locking hole (23) and with drive piece (34) complex follower (314), the one end of sliding piece (311) with plug connector (312) fixed connection, follower (314) fixed connection is close to on the terminal surface of drive piece (34), sliding piece (311) are close to be provided with slider (313) on the terminal surface of the tank bottom of standing groove (11), the confession has been seted up to the tank bottom of standing groove (11) sliding groove (14) that slider (313) removed.

7. An air detection gas chromatograph according to claim 6, wherein: the one end that sliding groove (14) kept away from shielding piece (2) seted up the confession embedded groove (12) that slider (313) put into, the inslot fixed mounting of embedded groove (12) has the prevention slider (313) breaks away from stopper (13) of embedded groove (12).

8. An air detection gas chromatograph according to claim 4, wherein: first spacing groove (331) have been seted up on axis of rotation (33), second spacing groove (322) have been seted up on the terminal surface of holding tank (321) keeping away from the tank bottom, rebound spare (35) are the clockwork spring, insert respectively at the both ends of rebound spare (35) the inslot of first spacing groove (331) with the inslot of second spacing groove (322).

9. An air detection gas chromatograph according to claim 4, wherein: the end face, far away from the bottom of the placing groove (11), of the box body (1) is fixedly connected with a cover plate (191) covering the placing groove (11), and the driving assembly (32) and the driven assembly (31) are limited in the groove of the placing groove (11) through the cover plate (191).