A kind of jacket heat-preservation sampling valve
Technical field
The present invention relates to a kind of valving, more particularly to a kind of jacket heat-preservation sampling valve.
Background technology
Sampling valve is the valve for obtaining dielectric sample in pipeline or equipment, and often dielectric sample is entered in many needs
The occasion of row chemical analysis, can use special sampling valve more.Different according to the operation principle or performance during sampling, sampling valve can
Divide different types of.There is harmfulness in itself in view of many sampling mediums, and it is to environment many restrictions (some samplings Jie
Confrontation temperature requires limitation, and not reaching temperature requirement, will to produce medium crystallization, solidification etc. alike), the peace of sampling valve in addition
Dress environment may cause certain corrosion harmfulness to its parts.In order to meet market use demand, the invention discloses one kind
The sampling valve of insulation jacket with vacuum (-tight) housing.Generally there is following technical problem in traditional chuck sampling valve:1) traditional folder
Cover sampling valve individual layer packing seal, once occur filler damage in assembling process, or by filler compression can cause
Leakage, produces peril.2) traditional chuck sampling valve needs to leave unlatching space, in terms of the installation site on there is limit
System.3) traditional chuck sampling valve does not have vacuum relief structure, and parts thereof is directly contacted with external environment condition, it is easy to rotten
Erosion, reduces service life.For above technical problem, the invention discloses a kind of jacket heat-preservation sampling valve, greatly improve
Sealing property, extends service life.
The content of the invention
It is existing to solve it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of jacket heat-preservation sampling valve
There are the not strong sampling valve sealing in technology, easy breakage, installation space-consuming greatly and the shorter technical problem of service life,
The invention discloses a kind of jacket heat-preservation sampling valve;
The present invention is achieved by the following technical solutions:The invention discloses a kind of jacket heat-preservation sampling valve, including valve
Body, outer tube sleeve component, seal assembly, connecting rod and handwheel, valve body are sleeved in the cavity of outer tube sleeve component, valve body and outer tube sleeve
Component is fixedly connected, and is additionally provided with medium inlet and media outlet on outer tube sleeve component, valve body include fluid line, sealing pipeline and
Sampling pipe, fluid line is vertically arranged with sealing pipeline and seals the end of pipeline and the side wall insertion of fluid line, takes
The side wall insertion of the injection port of sample pipeline and the sealing pipeline being vertically arranged, seal assembly is arranged on the inner chamber of sealing pipeline, close
Sealing assembly is fixedly connected by connecting rod with the handwheel being arranged on the outside of valve body;Seal assembly includes plunger, valve rod, sealed base
With sealing duplicate, sealed base is provided with axle sleeve mounting hole, and sealed base is also vertically arranged with fixed hub, the bottom of fixed hub
Portion is sleeved in axle sleeve mounting hole and is fixedly connected with sealed base, and sealing duplicate is sleeved in fixed hub, sealing duplicate from
Top to bottm includes upper filler, mounting sleeve, lower filler and filler pressing sleeve successively, and upper filler is fixed on the top of fixed hub, filled out
Expect that gland is located at the bottom of fixed hub, seal assembly also presses ring including gland, and gland presses ring under filler pressing sleeve
Portion, the sidepiece that gland presses ring is fixedly connected with sealed base by nut, and plunger is vertically arranged and presses ring through gland
And fixed hub, the inside of plunger is provided with valve handle activity chamber, and valve rod is vertically arranged in the bottom of plunger, and the top of valve rod is arranged on
Valve handle activity intracavitary, valve rod is attached with valve handle activity chamber by screw thread, sealing duct bottom and outer tube sleeve component difference
It is fixedly connected with the upper surface of sealed base;Fixed framing device, fixed framing device bag are additionally provided between seal assembly and connecting rod
Column, connecting pole and connecting pole mounting seat are included, connecting pole mounting seat is fixedly connected with the bottom of column, the top of column and sealing
Base is fixedly connected, and connecting pole movable chamber is provided with connecting pole mounting seat, and connecting pole is provided with retainer ring, and connecting pole is through connection
Post mounting seat, and retainer ring is fixedly installed in connecting pole movable chamber;The top of connecting pole is fixedly connected with the bottom of valve rod,
The bottom of connecting pole is fixedly connected with the top of connecting rod;During work, moving up and down for plunger can be realized by rotation hand wheel.
The present apparatus has insulation cold insulation effect, can effectively prevent medium from crystallizing, coagulating by being passed through cold and hot medium in outside thimble assembly
Gu etc. it is alike, improve the practicality of valve;Sealing property is substantially increased simultaneously, effectively can prevent from going out in sampling process
Existing leakage problem, improves security of the valve in sampling.While the present apparatus connecting rod, handwheel during open and close
It need not move up and down, you can to open space without leaving, reduce limitation of the valve in installation site.
Further, the bottom of sealed base is also installed with vacuum (-tight) housing, and vacuum (-tight) housing is located at sealed base and the hand
Between wheel, vacuum seal valve is additionally provided with the side wall of vacuum (-tight) housing;Vacuum (-tight) housing has effectively isolated its interior arrangement and outside air,
Interior arrangement is protected, service life is extended.
Further, in order to preferably realize the connection of valve rod and plunger, the bottom of plunger is further fixed on guider, led
It is located to device between plunger and valve rod.
Further, in order to preferably realize sealing, bottom filling is additionally provided between vacuum (-tight) housing and connecting rod.
Further, in order to preferably realize sampling process, the axis of sampling pipe has inclining for downward 30~60 ° of level
Angle.
The invention discloses a kind of jacket heat-preservation sampling valve, compared with prior art with advantages below:1) there is insulation to protect
Cold-working is used.It can effectively prevent that medium crystallization, solidification etc. are alike, improve the practicality of valve.2) sealing property is strong.Can be effective
The leakage problem for preventing from occurring in sampling process, improve valve sampling when security.3) open convenient.Device exists
Valve rod, handwheel need not be moved up and down during open and close, you can to open space without leaving, and reduce valve in installation
Limitation on position.4) service life extends.Vacuum (-tight) housing has effectively isolated its interior arrangement and outside air, makes internal dress
Put and protected, extend service life.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is this practical sectional view;
Fig. 3 is sealed base perspective view;
Fig. 4 is sealing duplicate structural representation;
Fig. 5 is sealing duplicate and plunger connection diagram;
Fig. 6 is sealed base and plunger connection diagram;
Fig. 7 is fixed rack structure schematic diagram;
Fig. 8 is connecting pole structural representation;
Fig. 9 is connecting seat internal structure schematic diagram;
Figure 10 is plunger opening structure schematic diagram;
Figure 11 is plunger closing structure schematic diagram.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1
Embodiment 1 discloses a kind of jacket heat-preservation sampling valve, as shown in Figure 1-2, including valve body, outer tube sleeve component 1, sealing
Component, connecting rod 16 and handwheel 18, valve body are sleeved in the cavity of outer tube sleeve component, and valve body includes fluid line 2, sealing pipeline
3 and sampling pipe 4, valve body is fixedly connected with outer tube sleeve component 1, medium inlet 11 is additionally provided with outer tube sleeve component 1 and medium goes out
Mouth 12, fluid line 2 is vertically arranged with sealing pipeline 3 and seals the end of pipeline 3 and the side wall insertion of fluid line 2, takes
The side wall insertion of the injection port of sample pipeline 4 and the sealing pipeline 3 being vertically arranged, seal assembly is arranged on the inner chamber of sealing pipeline 3,
Seal assembly is fixedly connected by connecting rod 16 with the handwheel 18 being arranged on the outside of valve body;Seal assembly includes plunger 6, valve rod
11st, sealed base 7 and sealing duplicate 5, as shown in figure 3, sealed base 7 is provided with axle sleeve mounting hole (not marked in figure), sealing
Also be vertically arranged with fixed hub 71 on base 7, the bottom of fixed hub 71 be sleeved in axle sleeve mounting hole and with sealed base 7
It is fixedly connected, as Figure 4-Figure 6, sealing duplicate 5 is sleeved in fixed hub 71, sealing duplicate 5 includes upper successively from top to bottom
Filler 51, mounting sleeve 52, lower filler 53 and filler pressing sleeve 54, upper filler 51 are fixed on the top of fixed hub 71, filler pressure
Set 54 is located at the bottom of fixed hub 71, and seal assembly also presses ring 8 including gland, and gland presses ring 8 positioned at filler pressing sleeve 54
Bottom, the sidepiece that gland presses ring 8 is fixedly connected with sealed base 7 by nut, and plunger 6 is vertically arranged and through gland
Press ring 8 and fixed hub 71, the inside of plunger 6 is provided with valve handle activity chamber 61, and valve rod 11 is vertically arranged in the bottom of plunger 61,
The top of valve rod 11 is arranged in valve handle activity chamber 61, and valve rod 11 is attached with valve handle activity chamber 61 by screw thread, seal pipe
Upper surface of the bottom and outer tube sleeve component 1 in road 3 respectively with sealed base 7 is fixedly connected;Seal assembly and connecting rod 16 it
Between be additionally provided with fixed framing device, as Figure 7-9, fixed framing device include column 10, connecting pole 13 and connecting pole mounting seat 12,
Connecting pole mounting seat 12 is fixedly connected with the bottom of column 10, and the top of column 10 is fixedly connected with sealed base 7, connecting pole peace
Fill and connecting pole movable chamber 121 is provided with seat 12, connecting pole 13 is provided with retainer ring 131, connecting pole 13 runs through connecting pole mounting seat
12, and retainer ring 131 is fixedly installed in connecting pole movable chamber 121;The top of connecting pole 13 and the bottom of valve rod 11 are fixed
Connection, the bottom of connecting pole 13 is fixedly connected with the top of connecting rod 16;During work, plunger can be realized by rotation hand wheel 18
6 move up and down.The present apparatus has insulation cold insulation effect, can be passed through in the medium entrance 11 by outside thimble assembly 1 cold
Thermal medium, temperature control is carried out to material, the generation of phenomenon such as prevents from crystallizing, solidifies, and medium flows out from media outlet 12;Sealing
The bottom of base 7 is also installed with vacuum (-tight) housing 15, and vacuum (-tight) housing 15 is located between sealed base 7 and handwheel 18, vacuum (-tight) housing 15
Vacuum seal valve 14 is additionally provided with the wall of side;Vacuum (-tight) housing 15 has effectively isolated its interior arrangement and outside air, makes interior arrangement
Protected, extend service life.The bottom of plunger 6 is further fixed on guider 9, and guider 9 is located at plunger 6 and valve
Between bar 11, enable to valve rod vertically movable by guider;In order to preferably realize sealing, vacuum (-tight) housing 15 and connecting rod
Bottom filling 17 is additionally provided between 16.The axis of sampling pipe 4 in the present embodiment has the inclination angle of downward 30 ° of level.Taking
During sample, the thermal insulation medium needed for injection in valve body outer tube sleeve part 1 is first had to, it is ensured that could opening valve after crystallization is dissolved in valve
Door.Sampling, pass sample process as shown in figs. 10-11, open handwheel 18, and plunger 6 is opened downwards by coordinating with the screw thread of valve rod 11,
The depth of the screwed hole of plunger 6 will flow out come sampling medium needed for limiting after Lift, Open valve from lateral channel, so that
Obtain sample.Sampling closes valve after terminating by same principle.
Embodiment 2
Embodiment 2 discloses a kind of jacket heat-preservation sampling valve, including valve body, outer tube sleeve component 1, seal assembly, connecting rod
16 and handwheel 18, valve body is sleeved in the cavity of outer tube sleeve component, and valve body includes fluid line 2, sealing pipeline 3 and sampling pipe
4, valve body is fixedly connected with outer tube sleeve component 1, and medium inlet 11 and media outlet 12, fluid hose are additionally provided with outer tube sleeve component 1
Road 2 is vertically arranged with sealing pipeline 3 and seals the end of pipeline 3 and the side wall insertion of fluid line 2, and sampling pipe 4 enters
Sample mouthful and the side wall insertion for the sealing pipeline 3 being vertically arranged, seal assembly are arranged on the inner chamber of sealing pipeline 3, and seal assembly leads to
Handwheel 18 of the connecting rod 16 with being arranged on the outside of valve body is crossed to be fixedly connected;Seal assembly includes plunger 6, valve rod 11, sealed base 7
With sealing duplicate 5, sealed base 7 is provided with axle sleeve mounting hole, sealed base 7 and is also vertically arranged with fixed hub 71, fixed
The bottom of axle sleeve 71 is sleeved in axle sleeve mounting hole and is fixedly connected with sealed base 7, and sealing duplicate 5 is sleeved on fixed hub 71
Interior, sealing duplicate 5 includes upper filler 51, mounting sleeve 52, lower filler 53 and filler pressing sleeve 54, upper filler 51 successively from top to bottom
The top of fixed hub 71 is fixed on, filler pressing sleeve 54 is located at the bottom of fixed hub 71, and seal assembly also presses including gland
Ring 8, gland presses the bottom that ring 8 is located at filler pressing sleeve 54, and gland presses the sidepiece of ring 8 and sealed base 7 is fixed by nut
Connection, plunger 6 is vertically arranged and presses ring 8 and fixed hub 71 through gland, and the inside of plunger 6 is provided with valve handle activity chamber
61, valve rod 11 is vertically arranged in the bottom of plunger 61, and the top of valve rod 11 is arranged in valve handle activity chamber 61, valve rod 11 and valve rod
Movable chamber 61 is attached by screw thread, seals the upper table of the bottom and outer tube sleeve component 1 of pipeline 3 respectively with sealed base 7
Face is fixedly connected;Fixed framing device is additionally provided between seal assembly and connecting rod 16, fixed framing device includes column 10, connecting pole
13 and connecting pole mounting seat 12, connecting pole mounting seat 12 is fixedly connected with the bottom of column 10, top and the sealing bottom of column 10
Seat 7 is fixedly connected, and connecting pole movable chamber 121 is provided with connecting pole mounting seat 12, and connecting pole 13 is provided with retainer ring 131, connection
Post 13 runs through connecting pole mounting seat 12, and retainer ring 131 is fixedly installed in connecting pole movable chamber 121;The top of connecting pole 13
End is fixedly connected with the bottom of valve rod 11, and the bottom of connecting pole 13 is fixedly connected with the top of connecting rod 16;During work, pass through rotation
Moving up and down for plunger 6 can be realized by changing hands wheel 18.The present apparatus has insulation cold insulation effect, can pass through outside thimble assembly 1
Medium entrance 11 in be passed through cold and hot medium, temperature control is carried out to material, the generation of phenomenon, medium such as prevents from crystallizing, solidify
Flowed out from media outlet 12;The bottom of sealed base 7 is also installed with vacuum (-tight) housing 15, and vacuum (-tight) housing 15 is located at the He of sealed base 7
Between handwheel 18, vacuum seal valve 14 is additionally provided with the side wall of vacuum (-tight) housing 15;Vacuum (-tight) housing 15 has effectively isolated its interior arrangement
With outside air, interior arrangement is protected, extend service life.The bottom of plunger 6 is further fixed on guider 9,
Guider 9 is located between plunger 6 and valve rod 11, enables to valve rod vertically movable by guider;In order to preferably real
Now seal, bottom filling 17 is additionally provided between vacuum (-tight) housing 15 and connecting rod 16.The axis of sampling pipe 4 in the present embodiment has
The inclination angle that downward 60 ° of level.