CN214556045U

CN214556045U - Nitrogen bottle blowing device

Info

Publication number: CN214556045U
Application number: CN202120757291.4U
Authority: CN
Inventors: 解成辉; 赵晓雨; 魏茂祥; 甘洁
Original assignee: Shandong Zhongke Zhonglian Testing Technology Co ltd
Current assignee: Shandong Zhongke Zhonglian Testing Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-02
Anticipated expiration: 2031-04-14

Abstract

A nitrogen bottle blowing device belongs to the technical field of glass bottle blowing equipment accessories. The method is characterized in that: roof (13) interval sets up directly over bottom plate (1), and the upside of bottom plate (1) is provided with a plurality of locating holes (3), and locating hole (3) are the blind hole that open side up, and install on roof (13) nozzle (11), and nozzle (11) and locating hole (3) one-to-one to just setting up with corresponding locating hole (3), the gas blow pipe links to each other with nozzle (11), is provided with the clamping device who is used for centre gripping sample bottle at the upside of bottom plate (1). The nitrogen bottle blowing device can ensure that the nozzle is just opposite to the bottle mouth of the sample bottle, the clamping device can clamp the sample bottle, the nitrogen sprayed by the nozzle can be prevented from blowing down the sample bottle, the sample bottle is vertical all the time and is just opposite to the nozzle, and the good blowing effect on the sample bottle is ensured.

Description

Nitrogen bottle blowing device

Technical Field

A nitrogen bottle blowing device belongs to the technical field of glass bottle blowing equipment accessories.

Background

The sample to be tested in the laboratory is usually contained in a sample bottle, and before the liquid sample is tested, the air in the sample bottle needs to be evacuated to avoid influencing the test result. At present, the sample bottle is usually purged by nitrogen, and the following problems mainly exist in purging: 1) if the pressure of the purged nitrogen is too high, the sample in the sample bottle can be easily blown out, and if the pressure of the purged nitrogen is too low, the air in the bottle can not be easily blown out; 2) need press from both sides the sample bottle jail when sweeping, place the sample bottle in the blind hole usually at present, but this kind of mode very easily appears nitrogen gas and blows askew problem with the sample bottle, leads to nitrogen gas can't be aligned with the sample bottle bottleneck, influences the effect of sweeping.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the nitrogen bottle blowing device which can not only ensure that a sample bottle is clamped, but also ensure that the sample bottle is always right opposite to a nozzle and ensures that the purging effect on the sample bottle is good is provided.

The utility model provides a technical scheme that its technical problem adopted is: the nitrogen bottle blowing device is characterized in that: including bottom plate, roof, gas blow pipe, nozzle and clamping device, the roof interval sets up directly over the bottom plate, and the upside of bottom plate is provided with a plurality of locating holes, and the locating hole is opening blind hole up, and the nozzle is installed on the roof, nozzle and locating hole one-to-one to just setting up with the locating hole that corresponds, the gas blow pipe links to each other with the nozzle, is provided with the clamping device who is used for the centre gripping sample bottle at the upside of bottom plate.

Preferably, the air blowing pipe comprises an air blowing main pipe and air blowing branch pipes, a plurality of positioning holes are arranged side by side, each nozzle is connected with the air blowing main pipe through the air blowing branch pipes, and a pressure stabilizing valve is arranged on each air blowing branch pipe. The pipe diameter of the air blowing branch pipe is the same as that of the air blowing main pipe, air pressure in the air blowing main pipe can be dispersed, overlarge pressure of nitrogen sprayed out from the nozzle is avoided, the pressure stabilizing valve can play a role in stabilizing pressure, and the pressure of the nitrogen sprayed out from the nozzle is avoided being too small.

Preferably, the surge damping valve includes valve body, case and steady voltage spring, the valve body is cylindric, the valve body inner wall is provided with along the sealing part that the direction diameter of the inlet end that is close to the valve body reduces gradually, case and steady voltage spring all set up in the valve body, and sealing part and case set gradually along the air current direction, steady voltage spring links to each other with the case to promote it and compress tightly sealing part. The spring promotes the case and compresses tightly sealing portion to realized sealed, when nitrogen pressure increased, can promote the case to the direction motion of keeping away from sealing portion, realized opening of surge damping valve.

Preferably, the nozzle is arranged on the top plate in a lifting manner, and the nozzle is connected with a buffer spring for pushing the nozzle to move downwards. The buffer spring allows the nozzle to move upwards, and avoids being hindered by the nozzle when the sample bottle is taken and placed.

Preferably, the clamping device comprises an active clamping plate, a passive clamping plate, a clamping spring and a transmission mechanism, the active clamping plate and the passive clamping plate are semicircular plates, the active clamping plate and the passive clamping plate surround a ring shape coaxial with the positioning hole, the active clamping plate and the passive clamping plate are connected through the transmission mechanism and keep moving towards opposite directions synchronously, and the clamping spring is connected with the active clamping plate and pushes the active clamping plate to move towards the direction close to the passive clamping plate. The active clamping plate and the passive clamping plate are matched, so that the sample bottle is clamped, the sample bottle can be centered, and the sample bottle is ensured to be right opposite to the nozzle.

Preferably, the transmission mechanism comprises an active rack, a passive rack and a gear, the active rack is connected with the active splint and moves synchronously with the active splint, the passive rack is connected with the passive splint and drives the passive splint to move synchronously, the gear is rotatably arranged on the bottom plate, and the gear is positioned between the active rack and the passive rack and is meshed with the active rack and the passive rack simultaneously. The motion of the driving rack drives the gear to rotate, so that the reverse motion of the driven rack is realized, and the driven rack and the driving rack synchronously move in opposite directions.

Preferably, the inner walls of the active splint and the passive splint are provided with flexible pads. The flexible pad can guarantee to press from both sides tight reliably to the sample bottle, can avoid damaging the sample bottle again.

Preferably, the end of the bottom plate is provided with a vertical plate, one end of the top plate is provided with a downward slot, the top of the vertical plate is inserted into the slot, and one side of the vertical plate is provided with a limiting plate for limiting the top plate.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

the bottom plate of the nitrogen bottle blowing device is provided with the positioning hole, the bottom of the sample bottle can be directly placed in the positioning hole when the sample bottle is placed, the sample bottle is convenient to place, the nozzle is arranged right above the positioning hole, the fact that the nozzle is right opposite to the bottle opening of the sample bottle can be guaranteed, the clamping device can clamp the sample bottle tightly, the situation that the sample bottle is blown down by nitrogen sprayed out of the nozzle can be avoided, the sample bottle is vertical all the time, the nozzle is right opposite to the nozzle, and the fact that the sample bottle is blown down is guaranteed to be good in effect.

Drawings

FIG. 1 is a schematic sectional view of a nitrogen bottle blowing device.

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

Fig. 3 is a schematic top view of the clamping device.

Fig. 4 is a schematic right sectional view of the base plate.

FIG. 5 is a schematic cross-sectional front view of a pressure maintaining valve.

In the figure: 1. the air-blowing valve comprises a bottom plate 101, a guide groove 2, a vertical plate 3, a positioning hole 4, a slot 5, a driving clamping plate 6, a driven clamping plate 7, a translation frame 8, a clamping spring 9, an air-blowing main pipe 10, an air-blowing branch pipe 11, a nozzle 12, a buffer spring 13, a top plate 1301, an air vent 1302, a sealing table 14, a fastening sleeve 15, a limiting plate 16, a flexible gasket 17, a driving rack 18, a driven rack 19, a gear 20, a valve body 2001, a sealing part 2002, a supporting part 21, a pressure stabilizing spring 22 and a valve core.

Detailed Description

Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 5.

The utility model provides a nitrogen gas bottle blowing device, comprising a base plate 1, roof 13, the gas blow pipe, nozzle 11 and clamping device, roof 13 interval sets up directly over bottom plate 1, the upside of bottom plate 1 is provided with a plurality of locating holes 3, locating hole 3 is the blind hole that the opening faces upward, nozzle 11 is installed on roof 13, nozzle 11 and locating hole 3 one-to-one, and just to setting up with the locating hole 3 that corresponds, the gas blow pipe links to each other with nozzle 11, the upside at bottom plate 1 is provided with the clamping device who is used for centre gripping sample bottle. The positioning hole 3 is formed in the bottom plate 1 of the nitrogen bottle blowing device, the bottom of a sample bottle can be directly placed in the positioning hole 3 when the sample bottle is placed, the sample bottle is convenient to place, the nozzle 11 is arranged right above the positioning hole 3, the fact that the nozzle 11 is right opposite to the bottle opening of the sample bottle can be guaranteed, the clamping device can clamp the sample bottle tightly, the situation that the sample bottle is blown down by nitrogen sprayed out of the nozzle 11 can be avoided, the sample bottle is enabled to be vertical all the time and right opposite to the nozzle 11, and good blowing effect on the sample bottle is guaranteed.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in fig. 1: bottom plate 1 is the rectangular plate of level setting, and roof 13 is also the rectangular plate of level setting, and the left end of bottom plate 1 is provided with riser 2, and riser 2 sets up the upside at bottom plate 1, and the lower extreme of riser 2 links to each other with the left end of bottom plate 1. The left end of roof 13 is buckled downwards, and the left end bottom of roof 13 is provided with slot 4 that the opening is down, and the upper end of riser 2 stretches into in the slot 4 to realized the concatenation of bottom plate 1 and roof 13, made roof 13 interval be located bottom plate 1 directly over.

Be provided with locating hole 3 on the bottom plate 1, locating hole 3 is the blind hole of setting at bottom plate 1 top, and 3 vertical settings of locating hole, and locating hole 3 is provided with a plurality of side by side and the interval along the length direction of bottom plate 1, and in this embodiment, 3 interval equipartitions of locating hole have four. The nozzles 11 are installed at the bottom of the top plate 13, the nozzles 11 correspond to the positioning holes 3 one to one, and the nozzles 11 are disposed right above the corresponding positioning holes 3. Clamping device sets up the upside at bottom plate 1 to press from both sides tightly the sample bottle of installing in locating hole 3, guarantee that the sample bottle presss from both sides tightly reliably, avoid the sample bottle to be blown down.

The air blowing pipe comprises an air blowing main pipe 9 and air blowing branch pipes 10, the air blowing branch pipes 10 correspond to the nozzles 11 one by one, one end of each air blowing branch pipe 10 is communicated with the corresponding nozzle 11, and the other end of each air blowing branch pipe 10 is communicated with the air blowing main pipe 9. Each of the blowing branch pipes 10 is provided with a pressure maintaining valve.

Clamping device includes initiative splint 5, passive splint 6, clamping spring 8 and drive mechanism, and initiative splint 5 and passive splint 6 are the semicircle board of middle part evagination, and initiative splint 5 and passive splint 6 set up in pairs, and the logarithm of initiative splint 5 and passive splint 6 and locating hole 3 one-to-one, and initiative splint 5 and passive splint 6 surround into the ring shape coaxial with the locating hole 3 that corresponds. Wherein each initiative splint 5 all with translation frame 7 fixed connection to along with translation frame 7 synchronous motion, translation frame 7 slidable installs the upside at bottom plate 1. Each passive splint 6 all links to each other with translation frame 7 through drive mechanism, makes passive splint 6 and the synchronous opposite direction motion of initiative splint 5, can enough guarantee to press from both sides tight the sample bottle, can guarantee again that the sample bottle is coaxial with locating hole 3 all the time. Clamping spring 8 sets up between riser 2 and translation frame 7, and clamping spring 8's one end links to each other with riser 2, and the other end links to each other with translation frame 7, and clamping spring 8 is in compression state to promote translation frame 7 and move right, so that initiative splint 5 and passive splint 6 cooperate and press from both sides tight sample bottle, can realize that initiative splint 5 and the passive splint 6 that correspond loosen through promoting translation frame 7 left, in order to conveniently place the sample bottle. A passive clamp 6 is slidably mounted on the upper side of the base plate 1.

As shown in fig. 2: the top plate 13 is provided with vertical vent holes 1301, the vent holes 1301 correspond to the nozzles 11 one by one, and a sealing platform 1302 is arranged around the inner wall of the lower end of the vent holes 1301. An outward flanging is arranged at the lower end of the surrounding air blowing branch pipe 10, a fastening sleeve 14 is sleeved outside the air blowing branch pipe 10, threads are arranged on the outer wall of the fastening sleeve 14, the fastening sleeve 14 is arranged on the upper side of the flanging of the air blowing branch pipe 10, the fastening sleeve 14 and the flanging of the air blowing branch pipe 10 extend into the upper end of the vent hole 1301, the fastening sleeve 14 is in threaded connection with the upper end of the vent hole 1301, and therefore fixing of the lower end of the air blowing branch pipe 10 and the vent hole 1301 is achieved.

An outward flange is arranged around the upper end of the nozzle 11, the upper end of the nozzle 11 extends into the vent hole 1301, and the flange of the nozzle 11 is positioned on the upper side of the sealing platform 1302. A buffer spring 12 is arranged in the vent hole 1301, the lower end of the buffer spring 12 is supported on the outward flanged edge of the nozzle 11, and the upper end is supported on the lower side of the outward flanged edge of the air blowing branch pipe 10, so that the nozzle 11 can be lifted, and the installation of a sample bottle is prevented from being hindered.

As shown in fig. 3: and a transmission mechanism is arranged between the two ends of each passive clamping plate 6 and the corresponding side of the translation frame 7, so that the passive clamping plates 6 and the active clamping plates 5 are always kept right.

Drive mechanism includes active rack 17, passive rack 18 and gear 19, each passive splint 6 all is connected with the mounting bracket, mounting bracket slidable installs the upside at bottom plate 1, active rack 17 installs on translation frame 7 and along with its synchronous motion, passive rack 18 installs on the mounting bracket, and drive passive splint 6 synchronous motion through the mounting bracket, gear 19 is rotatable installs on bottom plate 1, gear 19 is located between corresponding active rack 17 and passive rack 18, and gear 19 meshes with active rack 17 and passive rack 18 simultaneously, thereby make passive splint 6 along with the synchronous opposite direction motion of active splint 5.

The inner sides of the active clamping plate 5 and the passive clamping plate 6 are provided with flexible pads 16, so that the sample bottles can be clamped tightly, and the sample bottles can be prevented from being damaged.

A limiting plate 15 is arranged on the lower side of the vertical plate 2, the width of the limiting plate 15 is larger than the thickness of the vertical plate 2, and the side portion of the top plate 13 is positioned on the limiting plate 15, so that the positioning between the bottom plate 1 and the top plate 13 is realized, and the nozzle 11 and the corresponding positioning hole 3 are ensured to be arranged just right.

As shown in FIGS. 3-4: the upper side of the bottom plate 1 is provided with a guide groove 101, the guide groove 101 is a trapezoidal groove, the bottoms of the translation frame 7 and the mounting frame are provided with sliders, and the sliders are slidably mounted in the guide groove 101.

As shown in fig. 5: the pressure stabilizing valve comprises a valve body 20, a valve core 22 and a pressure stabilizing spring 21, wherein the valve body 20 is a cylinder which is vertically arranged, the upper end of the valve body 20 is an air inlet end, the lower end of the valve body 20 is an air outlet end, the inner wall of the upper end of the valve body 20 is provided with a conical sealing part 2001 of which the diameter is gradually reduced from bottom to top, a supporting part 2002 is arranged around the lower end of the valve body 20, the valve core 22 is spherical, the valve core 22 is arranged in the valve body 20, the valve core 22 is arranged on the lower side of the sealing part 2001, the pressure stabilizing spring 21 is also arranged in the valve body 20, the pressure stabilizing spring 21 is arranged between the valve core 22 and the supporting part 2002, the lower end of the pressure stabilizing spring 21 is supported on the supporting part 2002, the upper end pushes the valve core 22 to move upwards and is attached to the sealing part 2001 so as to realize the sealing of the valve body 20, and when the pressure of gas on the upper side of the valve core 22 is greater than the elastic force of the pressure stabilizing spring 21, the valve core 22 can open the sealing part 2001.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a nitrogen gas bottle blowing device which characterized in that: the sample bottle clamping device comprises a bottom plate (1), a top plate (13), an air blow pipe, a nozzle (11) and a clamping device, the top plate (13) is arranged right above the bottom plate (1) at intervals, a plurality of positioning holes (3) are formed in the upper side of the bottom plate (1), the positioning holes (3) are blind holes with upward openings, the nozzle (11) is installed on the top plate (13), the nozzle (11) corresponds to the positioning holes (3) one to one, the positioning holes (3) are arranged right opposite to the corresponding positioning holes, the air blow pipe is connected with the nozzle (11), and the clamping device used for clamping sample bottles is arranged on the upper side of the bottom plate (1).

2. The nitrogen bottle blowing device according to claim 1, characterized in that: the blowing pipe comprises a blowing main pipe (9) and blowing branch pipes (10), a plurality of positioning holes (3) are arranged side by side, each nozzle (11) is connected with the blowing main pipe (9) through the blowing branch pipes (10), and each blowing branch pipe (10) is provided with a pressure stabilizing valve.

3. The nitrogen bottle blowing device according to claim 2, characterized in that: the pressure stabilizing valve comprises a valve body (20), a valve core (22) and a pressure stabilizing spring (21), wherein the valve body (20) is cylindrical, a sealing part (2001) with the diameter gradually reduced along the direction close to the air inlet end of the valve body (20) is arranged on the inner wall of the valve body (20), the valve core (22) and the pressure stabilizing spring (21) are arranged in the valve body (20), the sealing part (2001) and the valve core (22) are sequentially arranged along the air flow direction, and the pressure stabilizing spring (21) is connected with the valve core (22) and pushes the valve core (22) to compress the sealing part (2001).

4. The nitrogen bottle blowing device according to claim 1 or 2, characterized in that: the nozzle (11) is arranged on the top plate (13) in a lifting manner, and the nozzle (11) is connected with a buffer spring (12) for pushing the nozzle to move downwards.

5. The nitrogen bottle blowing device according to claim 1, characterized in that: clamping device include initiative splint (5), passive splint (6), clamping spring (8) and drive mechanism, initiative splint (5) and passive splint (6) are the semicircle board, and initiative splint (5) and passive splint (6) surround into the ring shape coaxial with locating hole (3), initiative splint (5) and passive splint (6) link to each other through drive mechanism, and keep moving to opposite direction in step, clamping spring (8) link to each other with initiative splint (5), and promote its direction motion to being close to passive splint (6).

6. The nitrogen bottle blowing device according to claim 5, characterized in that: the transmission mechanism comprises an active rack (17), a passive rack (18) and a gear (19), the active rack (17) is connected with the active splint (5) and moves synchronously with the active splint, the passive rack (18) is connected with the passive splint (6) and drives the passive splint to move synchronously, the gear (19) is rotatably arranged on the bottom plate (1), and the gear (19) is positioned between the active rack (17) and the passive rack (18) and is simultaneously meshed with the active rack (17) and the passive rack (18).

7. The nitrogen bottle blowing device according to claim 5 or 6, characterized in that: the inner walls of the active splint (5) and the passive splint (6) are provided with flexible pads (16).

8. The nitrogen bottle blowing device according to claim 1, characterized in that: the end of the bottom plate (1) is provided with a vertical plate (2), one end of the top plate (13) is provided with a downward slot (4), the top of the vertical plate (2) is inserted into the slot (4), and one side of the vertical plate (2) is provided with a limiting plate (15) used for limiting the top plate (13).