CN109780347A - A kind of chemical pipeline antiseep flange - Google Patents
A kind of chemical pipeline antiseep flange Download PDFInfo
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- CN109780347A CN109780347A CN201910200531.8A CN201910200531A CN109780347A CN 109780347 A CN109780347 A CN 109780347A CN 201910200531 A CN201910200531 A CN 201910200531A CN 109780347 A CN109780347 A CN 109780347A
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Abstract
The present invention relates to flange technical fields, specifically a kind of chemical pipeline antiseep flange, including left tube body, fastening bolt, upper backplate, left disk body, elastic hose, right disk body, right tube body and diversion mechanism, the left tube body is located at one end of right tube body, the left disk body is welded in the end surface of left tube body, the right disk body is welded on the end surface of right tube body, the left disk body is bolted with right disk body by the fastening bolt of penetration type structure, the elastic hose is socketed in the surface middle position of fastening bolt, the both ends of the elastic hose corresponding surface Elastic Contact with left disk body and right disk body respectively, the upper backplate runs through the inside of left disk body and extends to the inside of right disk body, the diversion mechanism is located at the inner surface wall junction of left tube body and right tube body；The present invention can enhance the leakage prevention capability of flange, and enhance the leakproofness of flange, keep the service life of flange more long.
Description
Technical field
The present invention relates to flange technical field, specifically a kind of chemical pipeline antiseep flange.
Background technique
Flange (Flange), is called flange flange disk or flange.Flange is part interconnected between pipe and pipe,
For between pipe end connection, also have with the flange on equipment is imported and exported, for the connection between two equipment, such as speed reducer
Flange.Flanged joint or bump joint refer to and are connected with each other by flange, gasket and bolt three as one group of combined sealing structure
Releasable connection.Pipe flange is meant with effective flange in plumbing installation, with the inlet and outlet flange for meaning equipment in equipment.
Perforation on flange, bolt are close to two flanges.With liner sealing between flange.
Also there is a kind of technical solution of anti-leak pipe flange in the prior art, as application No. is 2018113956469
One Chinese invention discloses a kind of fluid pipeline steel flange component, and one end including water inlet pipe, the water inlet pipe is fixed
Left flange is installed, the other end movable sleeve of the left flange is connected to connecting tube, the other end of the connecting tube is fixedly installed with
Right flange, the right flange the other end be fixedly installed with the outer surface of outlet pipe, the left flange and right flange and offer
It is bolted to connection between hole, the left flange and right flange, the quantity of bolt is nine, and nine bolts are in a ring
It is equally distributed on the outer surface of left flange and right flange.
Although the technical solution flange leakage prevention capability enhances, in the technical solution, the connection effect of flange is excessively poor,
Positioning and locking is only connected by holding screw, and the torque of transmitting is too small, and the faying face in pipeline is excessive, is increased and is etched
Area, later period aging are easy leakage.For this purpose, it is proposed that a kind of chemical pipeline antiseep flange solves the above problems.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of chemical pipeline antiseep flange proposed by the present invention, it is convenient to use
Change and the design philosophy of modularization, the fixed design thinking of the existing chemical pipeline flange of change can be improved preferably close
Envelope ability and anti-corrosion capability, and installation is more convenient.
The technical solution adopted by the present invention to solve the technical problems is: a kind of chemical pipeline antiseep of the present invention
Flange, including left tube body, fastening bolt, upper backplate, left disk body, elastic hose, right disk body, right tube body and diversion mechanism, institute
State that left tube body is located at one end of right tube body, the left disk body is welded in the end surface of left tube body, the right disk body is welded on the right side
The end surface of tube body, the left disk body are bolted with right disk body by the fastening bolt of penetration type structure, the elasticity is soft
Pipe is socketed in the surface middle position of fastening bolt, the both ends of the elastic hose corresponding surface bullet with left disk body and right disk body respectively
Property contact, the upper backplate through left disk body inside and extend to the inside of right disk body, the diversion mechanism is located at left pipe
The inner surface wall junction of body and right tube body；When work, the position of left tube body and right tube body is aligned first, tube body is clamped
Ring is directed at the position of tube body clamping groove, and makes left tube body and the fitting close to each other of right tube body, so that tube body clamping ring insertion
Into tube body clamping groove, fixed effect is played to left tube body and right tube body, at the same time, Left shunt plate and right flow distribution plate also can
Stress fitting close to each other, and it is fixed that fixture block is embedded into card slot, moves along with the continuous insertion of fixture block, also due to
Card slot is trapezium structure, so that fixture block is gradually increased the extruding force of sealing ring, realizes that the seal protection to tube body junction is imitated
Fruit, anti-fluid penetrate between Left shunt plate and right flow distribution plate, and eight fastening bolts are extended through left disk body and right disk later
Two disk bodies are carried out comprehensive fastening clamp effect, finally upper backplate are embedded into backplate preformed groove, to two by body
Disk body plays the role of further auxiliary positioning, and elastic hose can wrap fastening bolt, reduces fastening spiral shell as far as possible
The corrosive wear degree of bolt, extends the actual life of fastening bolt.
Preferably, two sides symmetrically offer backplate preformed groove, described upper up and down on the surface of the left disk body and right disk body
Backplate is located at the inside of backplate preformed groove, the arc end lower surface two sides of the upper backplate are symmetrically welded with for being slidably connected
Limiting cushion block, the arc end upper surface of upper backplate offers the expansion locating slot of circular configuration, and expands the water of locating slot
Prosposition sets the inside for being embedded into left disk body；When work, upper backplate is embedded into backplate preformed groove first, so that two limits
Cushion block can be slidably connected one by one with the limit sliding chutes of counter structure in backplate preformed groove, since upper backplate is that arc is smoothly tied
Structure, also can further reduce upper backplate when moving by frictional resistance influenced, so that it is guaranteed that upper backplate is being stretched
Will not shift the phenomenon that shaking when contracting movement, when upper backplate is completely embedded into inside left disk body and right disk body, then swollen
The horizontal position of swollen locating slot is exactly at the inside center of left disk body, is convenient for subsequent tightening operation.
Preferably, the inner upper end of the left disk body is embedded with bolt sheath, and the internal whorl of bolt sheath is connected with
Expansion bolt, the bottom of expansion bolt extend to the inside of expansion locating slot, wherein bolt sheath extends to three above left disk body
At/bis-, expansion bolt is extended at the one third above bolt sheath；One end of the left tube body is welded with tube body card
Connect ring；One end of the right tube body offers tube body clamping groove, and it is in ring that tube body, which is clamped ring and the side cross-sectional of tube body clamping groove,
Shape structure, wherein the internal-and external diameter of tube body clamping ring and the internal-and external diameter of tube body clamping groove are in the same size；When work, first by bolt
Sheath is embedded into the groove that left disc surfaces open up, so that the outer surface of bolt sheath is contacted with the inner surface wall of groove, then
Expansion bolt is embedded into the inside of bolt sheath, rotating expansion bolt by drill bit or spanner rotates counterclockwise it, thus
Moved down in bolt sheath, and after making the bottom through-going recess of expansion bolt, enter it is fixed in expansion locating slot,
The case where being auxiliarily fixed to the position of upper backplate, preventing upper backplate from shaking further strengthens two disks
Connective stability between body；When left tube body contacts fitting with right tube body, the position that tube body is clamped ring can be with tube body clamping groove
Aligned in position, and with the movement close to each other of two tube bodies, then tube body clamping ring can gradually enter tube body clamping
It is fixed in slot, it realizes to the connection function between left tube body and right tube body, improves the leakproofness of tube body junction as far as possible, prevent
Only there is a situation where reveal from tube body junction for the fluid in pipeline.
Preferably, the diversion mechanism includes Left shunt plate, sealing ring, card slot, fixture block and right flow distribution plate；The card slot is opened
The vertical end surfaces of Left shunt plate are located at, the vertical end surfaces of right flow distribution plate are arranged in fixture block, and sealing ring is pasted onto Left shunt plate
Vertical end surfaces, wherein fixture block and the trapezoidal structure of card slot, Left shunt plate and right flow distribution plate are embedding by fixture block and card slot
Enter formula structure to be connected；The trapezoidal structure in the section of the Left shunt plate and right flow distribution plate, Left shunt plate and right flow distribution plate
Thickness is equal in magnitude, wherein the contact fitting of the vertical end surfaces of Left shunt plate and right flow distribution plate, Left shunt plate and right flow distribution plate
Beveled end inclined direction is on the contrary, Left shunt plate and the tilt angle size of right flow distribution plate and left tube body and right tube body are 30 degree；
When work, with connecting and fixing for left tube body and right tube body, then fixture block can gradually be embedded into card slot, and fixture block is being embedded in
During, fixture block gradually increases the extruding force to sealing ring, so that sealing ring is extruded extension deformation, so that sealing ring will
The junction gap of fixture block and card slot is sealed filling, and the junction of Left shunt plate and right flow distribution plate is avoided to generate gap；When
When liquid in pipeline quickly flows, liquid can impact the inclined surface of Left shunt plate or right flow distribution plate, due to two shuntings
The inclined surface of plate has certain tilt angle, can will impact the liquid for shunting plate surface and play to center among pipeline
Locate the effect of water conservancy diversion, so that Left shunt plate connects the reduction of the Fluid pressure at sealing with right flow distribution plate, to reduce fluid to a left side
The impact force of flow distribution plate and right flow distribution plate junction reduces the seepage flow degree of fluid, the further leakproof for improving flange.
Preferably, the card slot, fixture block are combined to form labyrinth sealing, and are confused with tube body clamping groove, tube body clamping ring
The in utero gradual change tooth form cavity that gap is 30 degree to 60 degree；When work, the first rank of card slot and fixture block formation labyrinth seal, tube body
Clamping groove and tube body clamping ring form the second-order of labyrinth seal, and gradual-change cavity will block fluid flowing, and reduce the infiltration of fluid
Ability reinforces leakage prevention capability, and forms combination sealing with sealing ring, strengthens sealability.
Preferably, the fixture block is equipped with top pillar and circulation passage, and top pillar is in circulation passage；Circle is equipped in the card slot
Column slot；When work, fluid can flow into circulation passage, and top pillar can be withstood in cylinder groove by fluid, top pillar can clamping flange again, method
Orchid can lock securely top power by top pillar, and top pillar can allow the sealing function of flange and anti-leak to be made using the pressure of fluid
With reinforcing again.
Preferably, two hooks are symmetrically arranged on the top pillar；The cylinder trench bottom is equipped with a diameter and compares cylinder
The big annular groove of slot, after top pillar is withstood in cylinder groove, hook can block in a ring groove, carry out clamping again, when active force is super
After crossing threshold value, hook can reverse reflex；When work, after top pillar is withstood in cylinder groove, hook can be opened from closed state, into
Row is secondary securely；Hook can allow the sealing function of flange and anti-leak effect to be reinforced again using the pressure of fluid.
Preferably, the annular groove bottom is fixed with annular air-pocket, and annular air-pocket will compress hook, makes to be hooked in annular groove
It is interior to shake；When work, when hook clamping makes in a ring groove, hook will squeeze annular air-pocket, make annular air-pocket to hook
A pressing force is generated, hook is made to keep gripping orientation in a ring groove, will not be deflected, when flange to be separated makes, hook
Annular air-pocket will be compressed, hook reverse reflex is made；Annular air-pocket can compress hook, and the sealing function of flange and anti-leak is allowed to make
With reinforcing again.
Beneficial effects of the present invention are as follows:
1. the present invention is clamped ring by tube body and is pre-positioned with tube body clamping groove, makes left hair blue and position with right flange to default
Position makes positioning easier, recycles the fixture block of flow distribution plate and card slot to carry out secondary positioning, upper backplate is recycled to carry out three
Secondary positioning, and there is limiting cushion block to carry out sliding limit on upper backplate, keep positioning more convenient,
2. flow distribution plate of the present invention is more preferable using the sealing of Combined Labyrinth formula and sealing ring combination sealing, sealing effect.
Bolt is set to be not easy to loosen 3. flow distribution plate of the invention can use Fluid pressure, so that the sealing effect is better, Er Qiefen
Stream mechanism reduces the corrosiveness at fluid abutment joint, improves the intensity of flange.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the left side structure schematic diagram of left tube body in the present invention；
Fig. 3 is the structural schematic diagram of upper backplate in the present invention；
Fig. 4 is the right side structure schematic diagram figure of left tube body in the present invention；
Fig. 5 is the structural schematic diagram of diversion mechanism in the present invention；
Fig. 6 is the left side structure schematic diagram of right tube body in the present invention；
Fig. 7 is the partial enlarged view in Fig. 5 at A；
In figure: Zuo Guanti 1, tube body clamping ring 11, fastening bolt 2, upper backplate 3, limiting cushion block 31, expansion locating slot
32, left disk body 4, expansion bolt 41, bolt sheath 42, backplate preformed groove 43, elastic hose 5, right disk body 6, right tube body 7, tube body
Clamping groove 71, diversion mechanism 8, Left shunt plate 81, sealing ring 82, card slot 83, fixture block 84, right flow distribution plate 85, top pillar 86, hook
87, annular air-pocket 88.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained, and direction all around involved in the present invention is on the basis of Fig. 1.
As shown in Figures 1 to 7, a kind of chemical pipeline antiseep flange of the present invention, including left tube body 1, fastening spiral shell
Bolt 2, upper backplate 3, left disk body 4, elastic hose 5, right disk body 6, right tube body 7 and diversion mechanism 8, the left tube body 1 are located at the right side
One end of tube body 7, the left disk body 4 are welded in the end surface of left tube body 1, the right disk body 6 is welded on one end of right tube body 7
Surface, the left disk body 4 is bolted with right disk body 6 by the fastening bolt 2 of penetration type structure, the elastic hose 5 is socketed
In the surface middle position of fastening bolt 2, the both ends of elastic hose 5 respectively with the corresponding surface elastic of left disk body 4 and right disk body 6
It contacts, the upper backplate 3 runs through the inside of left disk body 4 and extends to the inside of right disk body 6, the diversion mechanism 8 is located at a left side
The inner surface wall junction of tube body 1 and right tube body 7；When work, the position of left tube body 1 and right tube body 7 is aligned first, will be managed
Body is clamped the position that ring 11 is directed at tube body clamping groove 71, and makes left tube body 1 and the fitting close to each other of right tube body 7, so that pipe
Body clamping ring 11 is embedded into tube body clamping groove 71, plays fixed effect to left tube body 1 and right tube body 7, at the same time, a left side point
Flowing plate 81 and right flow distribution plate 85 also can stress fitting close to each other, and it is fixed that fixture block 84 is embedded into card slot 83, adjoint
The continuous insertion movement of fixture block 84, also due to card slot 83 is trapezium structure so that fixture block 84 to the extruding force of sealing ring 82 by
It is cumulative big, realize the seal protection effect to tube body junction, prevent fluid penetrate into Left shunt plate 81 and right flow distribution plate 85 it
Between, eight fastening bolts 2 are extended through into left disk body 4 and right disk body 6 later, two disk bodies are subjected to comprehensive fastening clamp
Upper backplate 3 is finally embedded into backplate preformed groove 43 by effect, plays the role of further auxiliary positioning to two disk bodies,
And elastic hose 5 can wrap fastening bolt 2, reduce the corrosive wear degree of fastening bolt 2 as far as possible, extend fastening spiral shell
The actual life of bolt 2.
As one such embodiment, a kind of chemical pipeline antiseep flange of the present invention, the left disk body 4
Backplate preformed groove 43 is symmetrically offered with two sides above and below the surface of right disk body 6, the upper backplate 3 is located at backplate preformed groove 43
The arc end lower surface two sides of internal, the described upper backplate 3 are symmetrically welded with the limiting cushion block 31 for being slidably connected, upper shield
The arc end upper surface of plate 3 offers the expansion locating slot 32 of circular configuration, and the horizontal position for expanding locating slot 32 is embedded into
The inside of left disk body 4；When work, upper backplate 3 is embedded into backplate preformed groove 43 first, enables two limiting cushion blocks 31
Enough limit sliding chutes with counter structure in backplate preformed groove 43 are slidably connected one by one, since upper backplate 3 is arc smooth structure,
Also can further reduce upper backplate 3 when moving by frictional resistance influenced, so that it is guaranteed that upper backplate 3 is flexible
Will not shift the phenomenon that shaking when mobile, when upper backplate 3 is completely embedded into left disk body 4 and right 6 inside of disk body, then swollen
The horizontal position of swollen locating slot 32 is exactly at the inside center of left disk body 4, is convenient for subsequent tightening operation.
As one such embodiment, a kind of chemical pipeline antiseep flange of the present invention, the left disk body 4
Inner upper end be embedded with bolt sheath 42, and the internal whorl of bolt sheath 42 is connected with expansion bolt 41, expansion bolt 41
Bottom extend to the inside of expansion locating slot 32, wherein bolt sheath 42 extends at 4 top 2/3rds of left disk body, swollen
Swollen bolt 41 extends at the one third of 42 top of bolt sheath；One end of the left tube body 1 is welded with tube body clamping ring 11；
One end of the right tube body 7 offers tube body clamping groove 71, and tube body is clamped ring 11 and the side cross-sectional of tube body clamping groove 71 is in
Ring structure, wherein the internal-and external diameter of tube body clamping ring 11 and the internal-and external diameter of tube body clamping groove 71 are in the same size；When work, first
Bolt sheath 42 is embedded into the groove that left 4 surface of disk body opens up, so that the interior table of the outer surface of bolt sheath 42 and groove
Expansion bolt 41, is then embedded into the inside of bolt sheath 42 by wall contact, and rotating expansion bolt 41 by drill bit or spanner makes
It is rotated counterclockwise, to be moved down in bolt sheath 42, and after making the bottom through-going recess of expansion bolt 41, into
Enter into expansion locating slot 32 and fix, the position of upper backplate 3 is auxiliarily fixed, prevents upper backplate 3 from shaking
Situation further strengthens the connective stability between two disk bodies；When left tube body 1 contacts fitting with right tube body 7, tube body
The position for being clamped ring 11 can then be managed with the aligned in position of tube body clamping groove 71 and with the movement close to each other of two tube bodies
Body clamping ring 11, which can be entered gradually in tube body clamping groove 71, to be fixed, and is realized and is made to the connection between left tube body 1 and right tube body 7
With improving the leakproofness of tube body junction as far as possible, there is a situation where reveal from tube body junction for the fluid for preventing in pipeline.
As one such embodiment, a kind of chemical pipeline antiseep flange of the present invention, the shunting machine
Structure 8 is provided with Left shunt plate including Left shunt plate 81, sealing ring 82, card slot 83, fixture block 84 and right flow distribution plate 85, the card slot 83
The vertical end surfaces of right flow distribution plate 85 are arranged in 81 vertical end surfaces, fixture block 84, and sealing ring 82 is pasted onto Left shunt plate 81
Vertical end surfaces, wherein fixture block 84 and the trapezoidal structure of card slot 83, Left shunt plate 81 and right flow distribution plate 85 pass through 84 He of fixture block
The damascene structures of card slot 82 are connected；The trapezoidal structure in the section of the Left shunt plate 81 and right flow distribution plate 85, left shunt
The thickness of plate 81 and right flow distribution plate 85 is equal in magnitude, wherein the vertical end surfaces of Left shunt plate 81 and right flow distribution plate 85 contact patch
It closes, the beveled end inclined direction of Left shunt plate 81 and right flow distribution plate 85 is on the contrary, Left shunt plate 81 and right flow distribution plate 85 and left tube body 1
Tilt angle size with right tube body 7 is 30 degree；When work, with connecting and fixing for left tube body 1 and right tube body 7, then fixture block
84 can gradually be embedded into card slot 83, and fixture block 84, during insertion, fixture block 84 gradually increases to sealing ring 82
Extruding force so that sealing ring 82 is extruded extension deformation, so that sealing ring 82 is by the junction gap of fixture block 84 and card slot 83
It is sealed filling, the junction of Left shunt plate 81 and right flow distribution plate 85 is avoided to generate gap；When the liquid in pipeline quickly flows
When dynamic, liquid can impact the inclined surface of Left shunt plate 81 or right flow distribution plate 85, due to the nauropemeter mask of two flow distribution plates
There is certain tilt angle, can will impact the liquid for shunting plate surface and play the role of to water conservancy diversion at center among pipeline,
So that Left shunt plate 81 and right flow distribution plate 85 connect the Fluid pressure at sealing and reduce, to reduce fluid to 81 He of Left shunt plate
The impact force of right 85 junction of flow distribution plate, reduces the seepage flow degree of fluid, the further leakproof for improving flange.
As one such embodiment, a kind of chemical pipeline antiseep flange of the present invention, the card slot 83,
Fixture block 84 combines to form labyrinth sealing with tube body clamping groove 71, tube body clamping ring 11, and labyrinth internal pore is 30 degree to 60
The gradual change tooth form cavity of degree；When work, card slot 83 and fixture block 84 form the first rank of labyrinth seal, tube body clamping groove 71 and tube body
It is clamped the second-order that ring 11 forms labyrinth seal, gradual-change cavity will block fluid flowing, and reduce the penetrating power of fluid, make anti-let out
Leakage ability is reinforced, and forms combination sealing with sealing ring, strengthens sealability.
As one such embodiment, the fixture block 84 is equipped with top pillar 86 and circulation passage, and top pillar 86 is circulating
In channel；Cylinder groove is equipped in the card slot 83；When work, fluid can flow into circulation passage, and top pillar 86 can withstand on circle by fluid
In column slot, top pillar 86 can clamping flange again, flange can top power lock securely by top pillar 86, top pillar 86 can utilize stream
The pressure of body allows the sealing function of flange and anti-leak effect to reinforce again.
As one such embodiment, two hooks 87 are symmetrically arranged on the top pillar 86；The cylinder trench bottom
Equipped with the diameter annular groove bigger than cylinder groove, after top pillar 86 is withstood in cylinder groove, hook 87 can block in a ring groove, carry out
Clamping again, after active force is more than threshold value, hook can reverse reflex；When work, after top pillar 86 is withstood in cylinder groove, card
Hooking 87 can open from closed state, carry out secondary secured；Hook 87 can allow the sealing function of flange and anti-using the pressure of fluid
Leakage effects are reinforced again.
Preferably, the annular groove bottom is fixed with annular air-pocket 88, and annular air-pocket 88 will compress hook 87, and make hook 87
It will not shake in a ring groove；When work, when 87 clamping of hook makes in a ring groove, hook 87 will squeeze annular air-pocket 88, make
Annular air-pocket 88 generates a pressing force to hook 87, so that hook 87 is kept gripping orientation in a ring groove, will not deflect,
When flange to be separated makes, hook 87 will compress annular air-pocket 88, make hook reverse reflex；Annular air-pocket 88 can compress hook
87, allow the sealing function of flange and anti-leak effect to reinforce again.
When work, the position of left tube body 1 and right tube body 7 is aligned first, tube body clamping ring 11 is directed at tube body card
The position of access slot 71 so that tube body clamping ring 11 is embedded into tube body clamping groove 71, and makes fixture block 84 be embedded into card slot 83
Eight fastening bolts 2 are extended through left disk body 4 and right disk body 6 later by interior fixation, and two disk bodies are carried out comprehensive fastening
Upper backplate 3 is finally embedded into backplate preformed groove 43 by clamping effect, plays further auxiliary positioning to two disk bodies and makees
With；And elastic hose 5 can wrap fastening bolt 2, reduce the corrosive wear degree of fastening bolt 2 as far as possible；It will be upper
Backplate 3 is embedded into backplate preformed groove 43, when upper backplate 3 is completely embedded into left disk body 4 and right 6 inside of disk body, to upper
The position of backplate 3 is auxiliarily fixed, and with connecting and fixing for left tube body 1 and right tube body 7, then fixture block 84 can gradually be embedded into
In card slot 83, so that the junction gap of fixture block 84 and card slot 83 is sealed filling by sealing ring 82；Due to two flow distribution plates
Inclined surface there is certain tilt angle, can will impact and shunt the liquid of plate surface and play at center among pipeline
The effect of water conservancy diversion, so that Left shunt plate 81 and right flow distribution plate 85 connect the Fluid pressure at sealing and reduce.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (8)
1. a kind of chemical pipeline antiseep flange, it is characterised in that: including left tube body (1), fastening bolt (2), upper backplate
(3), left disk body (4), elastic hose (5), right disk body (6), right tube body (7) and diversion mechanism (8), the left tube body (1) are located at
One end of right tube body (7)；The left disk body (4) is welded in the end surface of left tube body (1)；The right disk body (6) is welded on the right side
The end surface of tube body (7)；The left disk body (4) and right disk body (6) are connected by fastening bolt (2) bolt of penetration type structure
It connects；The elastic hose (5) is socketed in the surface middle position of fastening bolt (2), the both ends of elastic hose (5) respectively with a left side
The corresponding surface Elastic Contact of disk body (4) and right disk body (6)；The upper backplate (3) is run through the inside of left disk body (4) and is extended to
The inside of right disk body (6)；The diversion mechanism (8) is located at the inner surface wall junction of left tube body (1) and right tube body (7).
2. a kind of chemical pipeline antiseep flange according to claim 1, it is characterised in that: the left disk body (4) and the right side
The surface of disk body (6) symmetrically offers backplate preformed groove (43) in two sides up and down；The upper backplate (3) is located at backplate preformed groove
(43) inside；The arc end lower surface two sides of the upper backplate (3) are symmetrically welded with the limiting cushion block for being slidably connected
(31), the arc end upper surface of upper backplate (3) offers the expansion locating slot (32) of circular configuration, and expands locating slot (32)
Horizontal position be embedded into the inside of left disk body (4).
3. a kind of chemical pipeline antiseep flange according to claim 2, it is characterised in that: the left disk body (4) it is interior
Portion upper end is embedded with bolt sheath (42), and the internal whorl of bolt sheath (42) is connected with expansion bolt (41), expansion bolt
(41) bottom extends to the inside of expansion locating slot (32), wherein bolt sheath (42) extends to above left disk body (4) three points
Two at, expansion bolt (41) extends at the one third above bolt sheath (42)；It welds one end of the left tube body (1)
There is tube body to be clamped ring (11)；One end of the right tube body (7) offers tube body clamping groove (71), and tube body is clamped ring (11) and tube body
The side cross-sectional of clamping groove (71) structure in a ring, wherein tube body is clamped internal-and external diameter and tube body clamping groove (71) of ring (11)
Internal-and external diameter it is in the same size.
4. a kind of chemical pipeline antiseep flange according to claim 1, it is characterised in that: diversion mechanism (8) packet
Include Left shunt plate (81), sealing ring (82), card slot (83), fixture block (84) and right flow distribution plate (85)；The card slot (83) is provided with
The vertical end surfaces in right flow distribution plate (85) are arranged in the vertical end surfaces of Left shunt plate (81), fixture block (84), and sealing ring (82) is viscous
It is attached to the vertical end surfaces of Left shunt plate (81), wherein fixture block (84) and the trapezoidal structure of card slot (83), Left shunt plate (81)
It is connected by fixture block (84) with the damascene structures of card slot (82) with right flow distribution plate (85)；Left shunt plate (81) He Youfen
The thickness of the trapezoidal structure in the section of flowing plate (85), Left shunt plate (81) and right flow distribution plate (85) is equal in magnitude, wherein a left side point
The contact fitting of the vertical end surfaces of flowing plate (81) and right flow distribution plate (85), the beveled end of Left shunt plate (81) and right flow distribution plate (85)
Inclined direction is on the contrary, Left shunt plate (81) and right flow distribution plate (85) and the tilt angle size of Zuo Guanti (1) and right tube body (7) are equal
It is 30 degree.
5. a kind of chemical pipeline antiseep flange according to claim 4, it is characterised in that: the card slot (83), fixture block
(84) it combines to form labyrinth sealing with tube body clamping groove (71), tube body clamping ring (11), and labyrinth internal pore is 30 degree and arrives
60 degree of gradual change tooth form cavity.
6. a kind of chemical pipeline antiseep flange according to claim 4, it is characterised in that: the fixture block (84) is equipped with
Top pillar (86) and circulation passage, top pillar (86) is in circulation passage；Cylinder groove is equipped in the card slot (83)；Work as diversion mechanism
(8) after clamping, top pillar (86) can be withstood in cylinder groove by fluid by circulation passage, reinforce clamping.
7. a kind of chemical pipeline antiseep flange according to claim 6, it is characterised in that: symmetrical on the top pillar (86)
If there are two hook (87)；The cylinder trench bottom is equipped with the diameter annular groove bigger than cylinder groove, when top pillar (86) withstands on circle
After in column slot, hook (87) can block in a ring groove, carry out clamping again, and after active force is more than threshold value, hook can reversely be rolled over
It returns.
8. a kind of chemical pipeline antiseep flange according to claim 7, it is characterised in that: the annular groove bottom is connected
Have annular air-pocket (88), annular air-pocket (88) will compress hook (87), shake hook (87) will not in a ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112161129A (en) * | 2020-09-21 | 2021-01-01 | 安徽海通塑胶科技有限公司 | Connection structure of unequal-diameter PVC (polyvinyl chloride) pipes |
| CN113738981A (en) * | 2021-09-16 | 2021-12-03 | 中国五冶集团有限公司 | Auxiliary device for connecting pipeline and inspection well |
| CN115013627A (en) * | 2022-06-08 | 2022-09-06 | 合肥海博工程设计集团有限公司 | A old pipeline junction leak protection equipment for district transformation |
| CN116734058A (en) * | 2023-08-15 | 2023-09-12 | 山东金钻金属制品有限公司 | Remote high-pressure fluid conveying pipeline |
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| CN112161129A (en) * | 2020-09-21 | 2021-01-01 | 安徽海通塑胶科技有限公司 | Connection structure of unequal-diameter PVC (polyvinyl chloride) pipes |
| CN113738981A (en) * | 2021-09-16 | 2021-12-03 | 中国五冶集团有限公司 | Auxiliary device for connecting pipeline and inspection well |
| CN115013627A (en) * | 2022-06-08 | 2022-09-06 | 合肥海博工程设计集团有限公司 | A old pipeline junction leak protection equipment for district transformation |
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| CN116734058A (en) * | 2023-08-15 | 2023-09-12 | 山东金钻金属制品有限公司 | Remote high-pressure fluid conveying pipeline |
| CN116734058B (en) * | 2023-08-15 | 2023-10-27 | 山东金钻金属制品有限公司 | Remote high-pressure fluid conveying pipeline |
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| CN109780347B (en) | 2020-10-30 |
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Denomination of invention: A leakage proof flange for chemical pipelines Effective date of registration: 20230615 Granted publication date: 20201030 Pledgee: Zhejiang Lishui Liandu Rural Commercial Bank Co.,Ltd. Nancheng Branch Pledgor: Huabo Management Co.,Ltd. Registration number: Y2023330001212 |
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