A kind of be fluorinated online uses blow needle
Technical field
The utility model relates to blow needle technical field, blow needle is used in specially a kind of online fluorination.
Background technique
Currently, it is fluorinated blow needle used in manufacturing enterprise online, quartile two parts in structure: gas connection and water jacket.This two
Butyronitrile Apron sealing is filled on the faying face of part, then by 4 screw connection lockings, in order to give this 4 screws to provide space, water
Cover side machining center mill off a part.Be divided into this structure two parts, Butyronitrile Apron sealing, 4 screws connection locking,
Not only structure is complicated for the structure of water jacket side milling, is also easy to that gas is caused to leak, and processing technology is complicated, in processing
The heart is just able to achieve.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of online fluorination blow needle, which has sealing
Reliably, manufacturing process is simple, the requirement to lathe is also low, facilitates the advantages of positioning air intake.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of online fluorination blow needle,
It is described including gas-tpe fitting, water jacket, positioning pipe, the first weld seam, the second weld seam, sealing shroud, appendix, syringe needle and positioning mechanism
The top of water jacket is set in the slot of gas-tpe fitting bottom end, and the top of the positioning pipe is set in the slot of water jacket bottom end, described
First weld seam is welded in the junction of gas-tpe fitting and water jacket, and second weld seam is welded in the junction of water jacket and positioning pipe,
The sealing shroud is set in the outer surface of positioning pipe bottom end, the appendix inner cavity grafting with positioning pipe and water jacket respectively, institute
The inner cavity of needle tip and the bottom end grafting of positioning pipe are stated, the top of two positioning mechanisms is solid with the two sides of water jacket respectively
It is fixed to connect, air inlet is offered at the top of the gas-tpe fitting right side.
Preferably, the positioning mechanism includes firm bar, locating rod, clamping plate, firm bearing, bolt, retaining spring and turns
Disk is fixedly connected at the top and the center of water jacket two sides of two firm bars, and two through-holes are opened in two firm bars
It is located remotely from each other at the center of one side, the inner cavity grafting with two through-holes respectively of two locating rods one end close to each other, two
The top that a clamping plate is located remotely from each other one side is fixedly connected with two locating rod one end close to each other respectively, two threaded holes
Be opened in the bottom that two firm bars are located remotely from each other one side respectively, two bolts one end close to each other respectively with two spiral shells
The inner cavity grafting of pit and two firm bearings, the inner cavity of two retaining springs are set in two bolts and are located remotely from each other one end
Surface, two turntables one side close to each other is fixedly connected with one end that two bolts are located remotely from each other.
Preferably, the surface of two locating rods and the inner wall of two through-holes are slidably connected.
Preferably, the surface of two described bolt one end close to each other is fixedly connected with the inner ring surface of two firm bearings,
And the surface of two bolts is connect with the inner thread of two threaded holes.
Preferably, the inner wall of the syringe needle is connect with the outer surface thread of positioning pipe bottom end.
Preferably, inner wall of the outer surface of the appendix respectively with water jacket and positioning pipe is slidably connected.
Preferably, the shape of two clamping plates is arc.
The utility model provides a kind of online fluorination blow needle.Have it is following the utility model has the advantages that
(1), the online fluorination blow needle, by the first weld seam and the second weld seam of setting, the first weld seam and the second weld seam
It is used cooperatively, can be convenient and thoroughly sealed up between gas-tpe fitting and water jacket, between water jacket and positioning pipe, pass through the side of welding
Formula achievees the effect that sealing, and this sealing means can make the manufacture craft of blow needle simple, and also therefore the requirement to lathe reduces,
Meanwhile also further solving the bad problem of sealing ring sealing effect.
(2), the online fluorination blow needle, by the positioning mechanism of setting, by rotating forward two turntables, two turntables can
To drive two bolt rotations, two bolt rotations can drive two clamping plates mobile to opposite direction, when two clamping plates
When the outer surface of opposite one side and air intake comes into full contact with, blow needle and air intake can thus be promoted to be sufficiently secured within one
It rises, so as to improve the rate of blow needle transmission fluorinated gas.
(3), gas-tpe fitting, water jacket and positioning can be improved by the improvement to blow needle with blow needle in the online fluorination first
The case where leakproofness between pipe, can to prevent fluorinated gas during transportation in this way be not in leakage, then can also
The positioning between blow needle and air intake is rapidly completed, can further prevent that blow needle is caused to remove air intake because air pressure is excessive in this way
The case where, meanwhile, also further improve the rate of blow needle conveying gas.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the formal figure of the utility model structure;
Fig. 3 is the side view of the utility model structure;
Fig. 4 is the enlarged drawing of structure at A in the utility model Fig. 1.
In figure: 1 gas-tpe fitting, 2 water jackets, 3 positioning pipes, 4 first weld seams, 5 second weld seams, 6 sealing shrouds, 7 appendixs, 8 needles
Head, 9 positioning mechanisms, 901 firm bars, 902 locating rods, 903 clamping plates, 904 firm bearings, 905 bolts, 906 retaining springs, 907
Turntable, 908 through-holes, 909 threaded holes, 10 air inlets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Examples of the embodiments are shown in the accompanying drawings, and in which the same or similar labels are throughly indicated identical or classes
As element or element with the same or similar functions.The embodiments described below with reference to the accompanying drawings are exemplary, purport
It is being used to explain the utility model, and should not be understood as limiting the present invention.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of online fluorination blow needle, including tracheae connect
First 1, water jacket 2, positioning pipe 3, the first weld seam 4, the second weld seam 5, sealing shroud 6, appendix 7, syringe needle 8 and positioning mechanism 9, water jacket 2
Top be set in the slot of 1 bottom end of gas-tpe fitting, the top of positioning pipe 3 is set in the slot of 2 bottom end of water jacket, the first weld seam 4
It is welded in the junction of gas-tpe fitting 1 Yu water jacket, the second weld seam 5 is welded in the junction of water jacket 2 Yu positioning pipe 3, and 6 sets of sealing shroud
Outer surface loaded on 3 bottom end of positioning pipe, the inner cavity grafting with positioning pipe 3 and water jacket 2 respectively of appendix 7, the outer surface of appendix 7
The inner wall with water jacket and positioning pipe 3 is slidably connected respectively, the inner cavity on 8 top of syringe needle and the bottom end grafting of positioning pipe 3, syringe needle 8
Inner wall is connect with the outer surface thread of 3 bottom end of positioning pipe, and two sides of the top of two positioning mechanisms 9 respectively with water jacket 2 are fixed
Connection, gas-tpe fitting offer air inlet 10 at the top of 1 right side.
Positioning mechanism 9 includes firm bar 901, locating rod 902, clamping plate 903, firm bearing 904, bolt 905, retaining spring
906 and turntable 907, it is fixedly connected at the top and the center of 2 two sides of water jacket of two firm bars 901, two through-holes 908 open up
At the center that two firm bars 901 are located remotely from each other one side, two locating rods 902 one end close to each other respectively with two through-holes
908 inner cavity grafting, the surface of two locating rods 902 and the inner wall of two through-holes 908 are slidably connected, and two clamping plates 903 are mutual
Top far from one side is fixedly connected with two one end close to each other of locating rod 902 respectively, and the shape of two clamping plates 903 is
Arc, two threaded holes 909 are opened in the bottom that two firm bars 901 are located remotely from each other one side respectively, and two bolts 905 mutually lean on
The inner cavity grafting with two threaded holes 909 and two firm bearings 904 respectively of close one end, two bolts 905 close to each other one
The surface at end is fixedly connected with the inner ring surface of two firm bearings 904, and the surface of two bolts 905 and two threaded holes 909
Inner thread connection, the inner cavity of two retaining springs 906 is set in the surface that two bolts 905 are located remotely from each other one end, two
The one side close to each other of turntable 907 is fixedly connected with one end that two bolts 905 are located remotely from each other.
In use, first weld seam 4 is used cooperatively with the second weld seam 5 by the first weld seam 4 and the second weld seam 5 of setting,
It can be convenient between a gas-tpe fitting 1 and water jacket 2, thoroughly sealed up between water jacket 2 and positioning pipe 3, reached by welding
To the effect of sealing, this sealing means can make the manufacture craft of blow needle simple, and also therefore the requirement to lathe reduces, then
By rotating forward two turntables 907, two turntables 907 can drive two bolts 905 to rotate, and two rotations of bolt 905 can
To drive two clamping plates 903 mobile to opposite direction, when the outer surface of two clamping plates 903 opposite one side and air intake is abundant
When contact, blow needle can be thus promoted to be sufficiently secured within together with air intake, so as to improve blow needle transmission fluorinated gas
Rate, then invert two bolts 905 two clamping plates 903 can be driven to move in the opposite direction, when two clamping plates 903
The two sides of opposite one side and air intake far from when, thus can be convenient and tearing open between blow needle and air intake be rapidly completed
Point, so that further facilitating blow needle being capable of quickly secondary use.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.