CN208568406U - A kind of sealing structure of quick-replaceable tissue processor reagent barrel - Google Patents

Abstract

The utility model relates to a kind of sealing structures of quick-replaceable tissue processor reagent barrel.The sealing structure of the quick-replaceable tissue processor reagent barrel includes reagent barrel, and sealing cover is connected on reagent barrel bung hole, and sealing cover bottom end is connected with reagent barrel catheter；Seal head is connected in sealing cover top movable sealing, bucket knob is changed in connection on seal head top, is changing bucket knob screw top mating connection linear bearing, guide sleeve is arranged on the outside of linear bearing, spring is set between guide sleeve and cylinder；Opening is set on the cylinder lateral wall below partition, connects gas-guide tube on the cylinder of aperture position；Catheter is plugged in seal head；The first gas port is set in seal head bottom sidewall, and the second gas port is set on sealing cover side wall；Sealing ring is set between sealing cover and seal head bottom.The sealing structure of the quick-replaceable tissue processor reagent barrel can overcome the shortcomings of that the interface structure of tissue processor and reagent barrel is easy leakage volatile reagent.

Description

A kind of sealing structure of quick-replaceable tissue processor reagent barrel

Technical field:

The utility model relates to sealed connecting component technical field more particularly to a kind of quick-replaceable tissue processor reagent barrels Sealing structure.

Background technique:

Tissue dewatering processing is to carry out the important link of pathology film-making analysis, the formal that the process of tissue dewatering uses The reagents such as woods, alcohol and dimethylbenzene volatility with higher and have certain pollution.Tissue processor can preferably certainly It is dynamic to complete complicated tissue dewatering process, relatively wide use has been obtained in hospital and scientific research institution.In tissue processor The reagent of storage needs to regularly replace after a certain period of use time, because reagent high volatile the features such as, so tissue processor There need to be preferable leakproofness with the interface structure of reagent barrel, and pressure during liquid in-out in reagent barrel can be balanced, with And facilitate the quick-replaceable of reagent barrel.

Utility model content:

The utility model in order to make up for the deficiencies of the prior art, provides a kind of quick-replaceable tissue processor reagent barrel Sealing structure, good airproof performance can overcome the shortcomings of that the interface structure of tissue processor and reagent barrel is easy leakage volatile reagent, Reagent barrel replacement efficiency is improved, solves problems of the prior art.

The utility model is achieved by the following technical solution:

A kind of sealing structure of quick-replaceable tissue processor reagent barrel, including reagent barrel, the screw thread on reagent barrel bung hole Be tightly connected a sealing cover up and down, the bottom end opening of sealing cover protrude into reagent barrel and with a reagent barrel catheter phase Even, the setting of reagent barrel bottom is protruded into reagent barrel catheter bottom end；In one up and down close of sealing cover top movable sealing connection End socket is detachably connected one on seal head top and changes bucket knob, described to change the cylinder that bucket knob includes a upper and lower perforation setting, It is equipped with a knob on cylinder lateral wall, a partition is equipped in cylinder madial wall, cylinder body bottom is matched with seal head screw top It closes and is connected, in cylinder screw top one linear bearing of mating connection, sliding is arranged leading for a top closure on the outside of linear bearing Set is equipped with a spring between guide sleeve and cylinder, and spring top and guide sleeve inner roof wall are connected, the partition top of spring bottom end and cylinder End is connected；It is equipped with an opening on the cylinder lateral wall below partition, a gas-guide tube is connected on the cylinder of the aperture position；? A catheter is plugged in seal head, the top of catheter is pierced by the setting of guide sleeve top end face after passing through the through-hole being set on partition；? Seal head bottom sidewall is equipped with the first gas port, and the second gas port, the inside and outside portion's gas of reagent barrel are equipped on sealing cover side wall It is connected through the first gas port, the second gas port and gas-guide tube；Sealing ring is equipped between sealing cover and seal head bottom.

A cylindrical cavity is equipped at the top of sealing cover, in the connected funnel-form cavity in cylindrical cavity bottom end, in funnel-form sky Bottom of chamber end is connected a connection head being connected with reagent barrel catheter end sealing；On the outside of funnel-form cavity and connection head Seal head is equipped with internal screw thread, and the seal head is connected through internal screw thread with the cooperation of the external screw thread of reagent barrel bung hole；The seal head It is contacted under spring tension effect with the seal cap sealing.

The ring cavity portion that a lateral wall is abutted with the cylindrical cavity top is equipped at the top of seal head, in ring cavity Portion bottom end is connected a funnel interconnecting piece, is equipped with the connection with the cooperation of the connection head seal of sealing cover in funnel interconnecting piece bottom end Plug, the interior setting of drain bottom of the tube insertion connection plug；In the cylinder body bottom and seal head ring cavity portion for changing bucket knob Sidewall thread cooperation is connected.

First gas port is set on the funnel interconnecting piece side wall of seal head；Second gas port is set to sealing cover On the side wall of funnel-form empty cavity position；The sidewall slope angle of funnel interconnecting piece is less than the corresponding side of funnel-form cavity of sealing cover Wall tilt angle.

The quantity of first gas port is multiple, the uniformly distributed funnel interconnecting piece in the seal head of multiple first gas ports Side wall on；The quantity of second gas port is at least 1.

The sealing ring is O-ring seal；The O-ring seal is set to sealing cover connection head inner sidewall and seal head connects It connects between side wall beyond the Great Wall.

The utility model has the beneficial effects that

1, seal head and sealing cover are cooperated by O-ring seal, can be realized preferable sealing effect.

2, sealing cover is conducive to the automatic capturing of seal head using whole pyramidal structure, allows to try when replacing reagent barrel Agent bucket is placed with certain location error, is convenient for quick-replaceable.

3, the opposite utilization of guide sleeve and linear bearing, guaranteeing spring, seal head always can be in compression or stretching process Vertical direction movement is conducive to promote the smooth degree for changing bucket knob when moving up and down.

4, reagent barrel catheter is set in reagent barrel, can sufficiently draw the reagent in reagent barrel, improves reagent utilization rate.

5, sealing cover and seal head are equipped with gas exchanges mouth -- gas port, and gas is entered by the first, second gas port leads Tracheae realizes the air pressure balance in reagent barrel, is conducive to the disengaging of reagent, and non-volatility gas leaks.

Detailed description of the invention:

Fig. 1 is the structural schematic diagram that seal head is contacted with sealing cover when the utility model changes bucket knob decentralization；

Fig. 2 is the structural schematic diagram that the utility model changes that seal head is separated with sealing cover when bucket knob lifts；

Fig. 3 is the structure chart of sealing cover；

The structure chart of Fig. 4 seal head；

Fig. 5 changes the structure chart of bucket knob.

In figure, 1 reagent barrel, 2 sealing covers, 3 reagent barrel catheters, 4 seal heads, 5 change bucket knob, 6 cylinders, 7 knob, 8 every Plate, 9 linear bearings, 10 guide sleeves, 11 springs, 12 openings, 13 gas-guide tubes, 14 catheters, 15 through-holes, 16 first gas ports, 17 the Two gas ports, 18 sealing rings, 19 cylindrical cavities, 20 funnel-form cavitys, 21 connection heads, 22 ring cavity portions, the connection of 23 funnels Portion, 24 connection plugs.

Specific embodiment:

In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality It is described in detail with novel.

As shown in Figs. 1-5, the sealing structure of the quick-replaceable tissue processor reagent barrel includes reagent barrel 1, in reagent barrel One sealing cover 2 up and down of thread seal connection on bung hole, the bottom end opening of sealing cover 2 protrude into reagent barrel and with a reagent Bucket catheter 3 is connected, and the setting of 1 bottom of reagent barrel is protruded into 3 bottom end of reagent barrel catheter；It is connected in 2 top movable sealing of sealing cover One seal head 4 up and down, 4 top of seal head be detachably connected one change bucket knob 5, it is described change bucket knob 5 include one on, The cylinder 6 of lower perforation setting, a knob 7 is equipped on cylinder lateral wall, a partition 8, cylinder bottom are equipped on 6 inner sidewall of cylinder Portion is connected with the cooperation of seal head screw top, in 6 screw top of cylinder, one linear bearing 9 of mating connection, on the outside of linear bearing Sliding is arranged the guide sleeve 10 of a top closure, and a spring 11, spring top and guide sleeve inner roof wall are equipped between guide sleeve and cylinder It is connected, the partition top of spring bottom end and cylinder is connected；An opening 12 is equipped on the cylinder lateral wall below partition 8, described A gas-guide tube 13 is connected on the cylinder of aperture position；Fixation plugs a catheter 14 in seal head, and the top of catheter passes through The setting of guide sleeve top end face is pierced by after the through-hole 15 on partition 8；The first gas port 16 is equipped in seal head bottom sidewall, Sealing cover side wall is equipped with the second gas port 17, and the inside and outside portion's gas of reagent barrel is through the first gas port, the second gas port and gas-guide tube Conducting；Sealing ring 18 is equipped between sealing cover and seal head bottom.

A cylindrical cavity 19 is equipped at the top of sealing cover 2, in the connected funnel-form cavity 20 in cylindrical cavity bottom end, in funnel Shape cavity bottom end is connected a connection head 21 being connected with reagent barrel catheter end sealing；In funnel-form cavity and connection head The seal head in outside is equipped with internal screw thread, and the seal head is connected through internal screw thread with the cooperation of the external screw thread of reagent barrel bung hole；It is described Seal head 4 seals against cooperation with the sealing cover 2 under 11 tension force effect of spring.

The ring cavity portion 22 that a lateral wall is abutted with 19 top of cylindrical cavity is equipped at the top of seal head 4, in ring 22 bottom end of shape cavity portion is connected a funnel interconnecting piece 23, is equipped with the connection head seal with sealing cover in 23 bottom end of funnel interconnecting piece The connection plug 24 of cooperation, connection plug 24 up and down, are arranged in the drain bottom of the tube insertion connection plug；It is described to change bucket knob 5 6 bottom of cylinder be threadedly engaged and be connected with 4 ring cavity portion inner sidewall of seal head.

First gas port 16 is set on the funnel interconnecting piece side wall of seal head；Second gas port 17 is set to sealing On the side wall of the funnel-form empty cavity position of lid；The sidewall slope angle of funnel interconnecting piece 23 is less than the funnel-form cavity 20 of sealing cover Position sidewall slope angle, this design make between funnel interconnecting piece 23 and funnel-form cavity 20 that there are gaps, facilitate first to lead The conducting of stomata and the second gas port.

The quantity of first gas port 16 is multiple, the uniformly distributed funnel company in the seal head 4 of multiple first gas ports On the side wall of socket part 23；The quantity of second gas port 17 is at least 1.

The sealing ring 18 is O-ring seal；The O-ring seal is set to sealing cover connection head inner sidewall and seal head Between connection plug lateral wall.

Adding for catheter top and tissue processor in the sealing structure of the quick-replaceable tissue processor reagent barrel, arranges Liquid pipeline system is connected, tissue processor plus drain line system pass through the sealing that is connected with catheter and reagent barrel catheter Structure realizes use and the quick-replaceable of reagent barrel of reagent.It is being connect with reagent barrel 1 in use, spring 11 is in opposite exhibition Open state, seal head 4 and sealing cover 2 are in sealing mated condition, due to the first gas port 16, the second gas port 17 and gas-guide tube 13 cylinders through 8 lower section of partition are connected to the inner cavity that seal head cylindrical cavity surrounds, and be can be realized the connection of cavity volume, are completed examination The conducting of agent bucket gas and gas-guide tube gas recycles.When needing to carry out reagent barrel replacement, first screw thread on new reagent barrel bung hole Above-mentioned sealing cover structure is connected, use is conveniently replaceable；It is lifted up knob 7 at this time, cylinder 6 drives linear bearing 9 along guide sleeve 10 It moves upwards, spring 11 compresses, and the sealing cover 4 on seal head 4 and the reagent barrel replaced separates, and seal head is with slotting Enter the sealing cover that the catheter in it leaves the reagent barrel replaced, replacement has been threadedly coupled Xinmi City's capping in time Novel agent bucket.

Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model It protects in range.

Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.

Claims (6)

1. a kind of sealing structure of quick-replaceable tissue processor reagent barrel, including reagent barrel, it is characterised in that: in reagent barrel bucket The sealing cover of thread seal connection one up and down on mouth, the bottom end opening of sealing cover are protruded into reagent barrel and are led with a reagent barrel Liquid pipe is connected, and the setting of reagent barrel bottom is protruded into reagent barrel catheter bottom end；It is passed through in about one sealing cover top movable sealing connection Logical seal head is detachably connected one on seal head top and changes bucket knob, and the bucket knob that changes includes a upper and lower perforation setting Cylinder is equipped with a knob on cylinder lateral wall, and a partition, spiral shell at the top of cylinder body bottom and seal head are equipped in cylinder madial wall Line cooperation is connected, and in cylinder screw top one linear bearing of mating connection, sliding is arranged a top closure on the outside of linear bearing Guide sleeve, a spring is equipped between guide sleeve and cylinder, spring top and guide sleeve inner roof wall are connected, spring bottom end and cylinder every Plate top is connected；It is equipped with an opening on the cylinder lateral wall below partition, an air guide is connected on the cylinder of the aperture position Pipe；A catheter is plugged in seal head, the top of catheter is pierced by guide sleeve top end face after the through-hole being set on partition and sets It sets；It is equipped with the first gas port in seal head bottom sidewall, the second gas port is equipped on sealing cover side wall, reagent barrel is inside and outside Portion's gas is connected through the first gas port, the second gas port and gas-guide tube；Sealing ring is equipped between sealing cover and seal head bottom.

2. a kind of sealing structure of quick-replaceable tissue processor reagent barrel according to claim 1, it is characterised in that: It is equipped with a cylindrical cavity at the top of sealing cover, in the connected funnel-form cavity in cylindrical cavity bottom end, is connected in funnel-form cavity bottom end The one connection head being connected with reagent barrel catheter end sealing；It is set on the seal head on the outside of funnel-form cavity and connection head There is internal screw thread, the seal head is connected through internal screw thread with the cooperation of the external screw thread of reagent barrel bung hole；The seal head is in spring tension Effect is lower to be contacted with the seal cap sealing.

3. a kind of sealing structure of quick-replaceable tissue processor reagent barrel according to claim 2, it is characterised in that: It is equipped with the ring cavity portion that a lateral wall is abutted with the cylindrical cavity top at the top of seal head, is connected in ring cavity portion bottom end One funnel interconnecting piece is equipped with the connection plug cooperated with the connection head seal of sealing cover, the drain in funnel interconnecting piece bottom end Bottom of the tube is inserted into setting in connection plug；The cylinder body bottom for changing bucket knob is threadedly engaged with seal head ring cavity portion inner sidewall It is connected.

4. a kind of sealing structure of quick-replaceable tissue processor reagent barrel according to claim 3, it is characterised in that: institute The first gas port is stated on the funnel interconnecting piece side wall of seal head；Second gas port is set to the funnel-form cavity of sealing cover On the side wall of position；The sidewall slope angle of funnel interconnecting piece is less than the corresponding sidewall draft angles of funnel-form cavity of sealing cover Degree.

5. a kind of sealing structure of quick-replaceable tissue processor reagent barrel according to claim 4, it is characterised in that: the The quantity of one gas port be it is multiple, multiple first gas ports are uniformly distributed on the side wall of the funnel interconnecting piece of the seal head； The quantity of second gas port is at least 1.

6. a kind of sealing structure of quick-replaceable tissue processor reagent barrel according to claim 1, it is characterised in that: institute Stating sealing ring is O-ring seal；The O-ring seal is set to sealing cover connection head inner sidewall and seal head connection plug lateral wall Between.