CN109780347B - Chemical pipeline antiseep flange - Google Patents
Chemical pipeline antiseep flange Download PDFInfo
- Publication number
- CN109780347B CN109780347B CN201910200531.8A CN201910200531A CN109780347B CN 109780347 B CN109780347 B CN 109780347B CN 201910200531 A CN201910200531 A CN 201910200531A CN 109780347 B CN109780347 B CN 109780347B
- Authority
- CN
- China
- Prior art keywords
- flow distribution
- clamping
- groove
- distribution plate
- pipe body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention relates to the technical field of flanges, in particular to an anti-leakage flange for a chemical pipeline, which comprises a left pipe body, a fastening bolt, an upper protective plate, a left disc body, an elastic hose, a right disc body, a right pipe body and a flow distribution mechanism, wherein the left pipe body is positioned at one end of the right pipe body, the left disc body is welded on one end surface of the left pipe body, the right disc body is welded on one end surface of the right pipe body, the left disc body and the right disc body are connected through the fastening bolt of a penetrating structure, the elastic hose is sleeved at the middle position of the surface of the fastening bolt, two ends of the elastic hose are respectively in elastic contact with corresponding surfaces of the left disc body and the right disc body, the upper protective plate penetrates through the inside of the left disc body and extends to the inside of the right disc body, and the flow distribution; the invention can enhance the leakage-proof capability of the flange, enhance the sealing property of the flange and prolong the service life of the flange.
Description
Technical Field
The invention relates to the technical field of flanges, in particular to an anti-leakage flange for a chemical pipeline.
Background
A Flange (Flange), also known as a Flange collar or Flange. Flanges are parts for interconnecting pipes, and are used for connecting pipe ends, and also used for connecting equipment inlets and outlets, such as speed reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets.
The technical scheme of the leakage-proof pipeline flange also comprises that a stainless steel flange assembly of the liquid pipeline is disclosed in Chinese invention with application number 2018113956469, and comprises a water inlet pipe, a left flange is fixedly arranged at one end of the water inlet pipe, a connecting pipe is movably sleeved at the other end of the left flange, a right flange is fixedly arranged at the other end of the connecting pipe, a water outlet pipe is fixedly arranged at the other end of the right flange, holes are respectively arranged on the outer surfaces of the left flange and the right flange, the left flange and the right flange are fixedly connected through bolts, the number of the bolts is nine, and the nine bolts are annularly and equidistantly distributed on the outer surfaces of the left flange and the right flange.
Although the leakage-proof capacity of the flange is enhanced, in the technical scheme, the connecting effect of the flange is poor, the positioning and locking are only connected by the fastening screws, the transmitted torque is too small, the joint surface in the pipeline is too much, the eroded area is increased, and the later-stage aging is easy to leak. Therefore, the leakage-proof flange for the chemical pipeline is provided to solve the problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the chemical pipeline anti-leakage flange provided by the invention adopts the design ideas of convenience and combinability, changes the fixing design idea of the existing chemical pipeline flange, can better improve the sealing capability and the anti-corrosion capability, and is more convenient to install.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a leakage-proof flange for chemical pipelines, which comprises a left pipe body, a fastening bolt, an upper protection plate, a left disc body, an elastic hose, a right disc body, a right pipe body and a flow dividing mechanism, wherein the left pipe body is positioned at one end of the right pipe body, the left disc body is welded on one end surface of the left pipe body, the right disc body is welded on one end surface of the right pipe body, the left disc body and the right disc body are connected through the fastening bolt of a through structure, the elastic hose is sleeved at the middle position of the surface of the fastening bolt, two ends of the elastic hose are respectively in elastic contact with corresponding surfaces of the left disc body and the right disc body, the upper protection plate penetrates through the inside of the left disc body and extends to the inside of the right disc body, and the flow dividing mechanism is arranged at the; when the device works, the positions of the left tube body and the right tube body are firstly aligned, the tube body clamping ring is aligned to the position of the tube body clamping groove, the left tube body and the right tube body are mutually close to each other and are jointed, the tube body clamping ring is embedded into the tube body clamping groove, the left tube body and the right tube body are fixed, meanwhile, the left flow distribution plate and the right flow distribution plate are also stressed to mutually close to each other and are jointed, the clamping blocks are embedded into the clamping grooves for fixing along with the continuous embedding and moving of the clamping blocks, the extrusion force of the clamping blocks to the sealing rings is gradually increased due to the trapezoidal structure of the clamping grooves, the sealing protection effect on the connection part of the tube bodies is realized, fluid is prevented from permeating between the left flow distribution plate and the right flow distribution plate, then eight fastening bolts respectively penetrate through the left tube body and the right tube body, the two tube bodies are subjected to omnibearing fastening and clamping, the two disc bodies are further assisted in positioning, the elastic hose can wrap the fastening bolt, the corrosion and wear degree of the fastening bolt is reduced as much as possible, and the actual service life of the fastening bolt is prolonged.
Preferably, the upper side and the lower side of the surfaces of the left tray body and the right tray body are symmetrically provided with a guard plate preformed groove, the upper guard plate is positioned in the guard plate preformed groove, the two sides of the lower surface of the arc-shaped end of the upper guard plate are symmetrically welded with limiting cushion blocks for sliding connection, the upper surface of the arc-shaped end of the upper guard plate is provided with an expansion positioning groove with a circular structure, and the horizontal position of the expansion positioning groove is embedded into the left tray body; the during operation, at first with last backplate embedding backplate reserve tank in, make two spacing cushion can with the spacing spout one-to-one sliding connection of backplate reserve tank in corresponding structure, because last backplate is arc smooth structure, the frictional resistance influence that the backplate received when removing on the reduction that also can be further, thereby ensure that last backplate can not take place the phenomenon that the skew rocked when flexible removal, when the backplate of last position imbeds left disk body and right disk body inside completely, then the horizontal position of inflation constant head tank is in time at the inside center department of left disk body, subsequent fastening operation of being convenient for.
Preferably, a bolt sheath is embedded at the upper end of the interior of the left tray body, an expansion bolt is connected to the interior of the bolt sheath through threads, the bottom of the expansion bolt extends into the expansion positioning groove, the bolt sheath extends to the two thirds position above the left tray body, and the expansion bolt extends to the one third position above the bolt sheath; a pipe body clamping ring is welded at one end of the left pipe body; a pipe body clamping groove is formed in one end of the right pipe body, the side-view cross sections of the pipe body clamping ring and the pipe body clamping groove are both of annular structures, and the inner diameter and the outer diameter of the pipe body clamping ring are consistent with those of the pipe body clamping groove; when the expansion bolt is in work, firstly, the bolt sheath is embedded into the groove formed in the surface of the left tray body, so that the outer surface of the bolt sheath is in contact with the inner surface wall of the groove, then, the expansion bolt is embedded into the bolt sheath, the expansion bolt is rotated by a drill bit or a wrench to rotate anticlockwise, so that the expansion bolt moves downwards in the bolt sheath, the bottom of the expansion bolt penetrates through the groove and then enters the expansion positioning groove to be fixed, the position of an upper protection plate is fixed in an auxiliary manner, the upper protection plate is prevented from shaking, and the connection stability between the two tray bodies is further enhanced; when left body and right body contact laminating, the position of body joint ring can be aligned with the position in body joint groove to along with the removal of being close to each other of two bodys, then body joint ring can be gradual enter into body joint inslot fixed, realize the connection effect between left body and the right body, improve the leakproofness of body junction as far as, prevent that the fluid in the pipeline from taking place the condition of revealing from the body junction.
Preferably, the flow distribution mechanism comprises a left flow distribution plate, a sealing ring, a clamping groove, a clamping block and a right flow distribution plate; the clamping groove is formed in the vertical end surface of the left flow distribution plate, the clamping block is arranged on the vertical end surface of the right flow distribution plate, and the sealing ring is adhered to the vertical end surface of the left flow distribution plate, wherein the clamping block and the clamping groove are both in a trapezoidal structure, and the left flow distribution plate and the right flow distribution plate are connected through the embedded structures of the clamping block and the clamping groove; the cross sections of the left flow distribution plate and the right flow distribution plate are both in a trapezoidal structure, the thicknesses of the left flow distribution plate and the right flow distribution plate are equal, wherein the vertical end surfaces of the left flow distribution plate and the right flow distribution plate are in contact fit, the inclined directions of the inclined ends of the left flow distribution plate and the right flow distribution plate are opposite, and the inclined angles of the left flow distribution plate and the right flow distribution plate with the left pipe body and the right pipe body are both 30 degrees; when the clamping device works, the clamping blocks can be gradually embedded into the clamping grooves along with the clamping and fixing of the left pipe body and the right pipe body, and in the embedding process of the clamping blocks, the clamping blocks gradually increase the extrusion force on the sealing rings, so that the sealing rings are extruded, extended and deformed, the sealing rings seal and fill the gaps at the joints of the clamping blocks and the clamping grooves, and the gaps at the joints of the left flow distribution plate and the right flow distribution plate are avoided; when liquid in the pipeline flows fast, liquid can strike the inclined surface of left flow distribution plate or right flow distribution plate, because the inclined surface of two flow distribution plates has certain inclination, can play the effect to the central water conservancy diversion of department in the middle of the pipeline with the liquid that strikes flow distribution plate surface, make the fluid pressure of left flow distribution plate and right flow distribution plate joint seal department reduce, thereby reduce the impact force of fluid to left flow distribution plate and right flow distribution plate junction, reduce fluidic seepage flow degree, further improvement flange's antiseep nature.
Preferably, the clamping groove and the clamping block are combined with the pipe body clamping groove and the pipe body clamping ring to form a labyrinth seal, and a gap in the labyrinth is a gradually-changed tooth-shaped cavity with the angle of 30-60 degrees; when the anti-leakage valve works, the clamping groove and the clamping block form a first step of labyrinth seal, the pipe body clamping groove and the pipe body clamping ring form a second step of labyrinth seal, the gradual change cavity blocks fluid flow, the seepage capability of the fluid is reduced, the anti-leakage capability is enhanced, and the anti-leakage valve and the sealing ring form combined seal, so that the sealing capability is enhanced.
Preferably, the fixture block is provided with a top column and a flow channel, and the top column is arranged in the flow channel; a cylindrical groove is formed in the clamping groove; during operation, fluid can flow into the circulation channel, and the fore-set can be by the fluid top at the cylinder inslot, and the fore-set can chucking flange once more, and the flange can be locked firmly by the counter-jacking force of fore-set, and the fore-set can utilize fluidic pressure to let the sealing function of flange strengthen again with preventing leaking the effect.
Preferably, the top column is symmetrically provided with two clamping hooks; the bottom of the cylindrical groove is provided with an annular groove with a diameter larger than that of the cylindrical groove, when the top pillar is jacked in the cylindrical groove, the clamping hook can be clamped in the annular groove for secondary clamping, and when the acting force exceeds a threshold value, the clamping hook can reversely turn back; when the device works, after the top column is jacked in the cylindrical groove, the clamping hook can be opened from a closed state, and secondary firmness is realized; the snap hook will use the pressure of the fluid to re-strengthen the sealing and leakage-proof function of the flange.
Preferably, the bottom of the annular groove is fixedly connected with an annular air bag, and the annular air bag compresses the hook, so that the hook cannot shake in the annular groove; when the flange separating device works, when the clamping hook is clamped in the annular groove, the clamping hook extrudes the annular air bag, so that the annular air bag generates pressing force on the clamping hook, the clamping hook keeps a clamping state in the annular groove and cannot deflect, and when the flange is separated, the clamping hook compresses the annular air bag, so that the clamping hook reversely folds back; the annular air bag can compress the clamping hook, so that the sealing effect and the leakage-proof effect of the flange are enhanced again.
The invention has the following beneficial effects:
1. according to the invention, the pipe body clamping ring and the pipe body clamping groove are pre-positioned, the left flange and the right flange are positioned to the preset positions, the positioning is simpler and more convenient, the fixture block and the clamping groove of the flow distribution plate are reused for secondary positioning, the upper protection plate is reused for tertiary positioning, and the upper protection plate is provided with the limiting cushion block for limiting in a sliding manner, so that the positioning is more convenient.
2. The flow distribution plate adopts combined labyrinth seal and sealing ring combined seal, and the sealing effect is better.
3. The flow distribution plate can make the bolt not easy to loosen by using the fluid pressure, so that the sealing effect is better, the corrosion effect of the fluid on the joint is reduced by the flow distribution mechanism, and the strength of the flange is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the left tube of the present invention;
FIG. 3 is a schematic view of the structure of the upper guard plate according to the present invention;
FIG. 4 is a right side view of the left tube of the present invention;
FIG. 5 is a schematic view of the structure of the shunt mechanism of the present invention;
FIG. 6 is a left side view of the right tube of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 5 at A;
in the figure: the pipe body comprises a left pipe body 1, a pipe body clamping ring 11, a fastening bolt 2, an upper protection plate 3, a limiting cushion block 31, an expansion positioning groove 32, a left disc body 4, an expansion bolt 41, a bolt sheath 42, a protection plate preformed groove 43, an elastic hose 5, a right disc body 6, a right pipe body 7, a pipe body clamping groove 71, a flow dividing mechanism 8, a left flow dividing plate 81, a sealing ring 82, a clamping groove 83, a clamping block 84, a right flow dividing plate 85, a top column 86, a clamping hook 87 and an annular air bag 88.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described below with reference to the specific embodiments, and all directions of the invention are based on the figure 1.
As shown in fig. 1 to 7, the leakage-proof flange for chemical pipelines of the present invention comprises a left pipe body 1, a fastening bolt 2, an upper protection plate 3, a left tray body 4, an elastic hose 5, a right tray body 6, a right pipe body 7 and a flow distribution mechanism 8, the left pipe body 1 is positioned at one end of the right pipe body 7, the left tray body 4 is welded on one end surface of the left pipe body 1, the right tray body 6 is welded on one end surface of the right pipe body 7, the left tray body 4 and the right tray body 6 are connected through a fastening bolt 2 of a through structure in a bolt mode, the elastic hose 5 is sleeved at the middle position of the surface of the fastening bolt 2, two ends of the elastic hose 5 are respectively in elastic contact with corresponding surfaces of the left tray body 4 and the right tray body 6, the upper protection plate 3 penetrates through the inside of the left tray body 4 and extends to the inside of the right tray body 6, and the flow distribution mechanism 8 is arranged at the joint of the inner surface walls of the left pipe body 1 and the right pipe; when the device works, the positions of the left tube body 1 and the right tube body 7 are aligned, the tube body clamping ring 11 is aligned to the position of the tube body clamping groove 71, the left tube body 1 and the right tube body 7 are close to each other and attached, the tube body clamping ring 11 is embedded into the tube body clamping groove 71, the left tube body 1 and the right tube body 7 are fixed, meanwhile, the left flow distribution plate 81 and the right flow distribution plate 85 are stressed to be close to each other and attached, the clamping block 84 is embedded into the clamping groove 83 to be fixed, the clamping block 84 is continuously embedded and moved, the clamping groove 83 is of a trapezoidal structure, so that the extrusion force of the clamping block 84 on the sealing ring 82 is gradually increased, the sealing protection effect on the connection part of the tube bodies is realized, the fluid is prevented from permeating between the left flow distribution plate 81 and the right flow distribution plate 85, then eight fastening bolts 2 respectively penetrate through the left disc body 4 and the right disc body 6, and the two disc, and finally, the upper protection plate 3 is embedded into the protection plate reserved groove 43, so that the two disc bodies are further assisted in positioning, the elastic hose 5 can wrap the fastening bolt 2, the corrosion and wear degree of the fastening bolt 2 is reduced as much as possible, and the actual service life of the fastening bolt 2 is prolonged.
As an embodiment, the chemical pipeline leakage-proof flange provided by the invention is characterized in that the upper and lower sides of the surfaces of the left tray body 4 and the right tray body 6 are symmetrically provided with a guard plate preformed groove 43, the upper guard plate 3 is positioned in the guard plate preformed groove 43, the two sides of the lower surface of the arc end of the upper guard plate 3 are symmetrically welded with limiting cushion blocks 31 for sliding connection, the upper surface of the arc end of the upper guard plate 3 is provided with an expansion positioning groove 32 with a circular structure, and the horizontal position of the expansion positioning groove 32 is embedded into the left tray body 4; the during operation, at first with last backplate 3 imbed in backplate preformed groove 43, make two spacing cushion blocks 31 can with the spacing spout one-to-one sliding connection of backplate preformed groove 43 interior corresponding structure, because last backplate 3 is the arc smooth structure, the frictional resistance influence that backplate 3 received when removing in the reduction that also can be further, thereby ensure that last backplate 3 can not take place the phenomenon that the skew rocked when flexible removal, when last backplate 3 imbeds left disk body 4 and right disk body 6 inside completely, then the horizontal position of inflation constant head tank 32 is in time at the inside center department of left disk body 4, be convenient for subsequent fastening operation.
As one embodiment, in the leakage-proof flange for chemical pipelines, a bolt sheath 42 is embedded in the upper end of the inside of the left tray body 4, an expansion bolt 41 is connected to the inside of the bolt sheath 42 through a thread, and the bottom of the expansion bolt 41 extends to the inside of the expansion positioning slot 32, wherein the bolt sheath 42 extends to the two thirds position above the left tray body 4, and the expansion bolt 41 extends to the one third position above the bolt sheath 42; one end of the left pipe body 1 is welded with a pipe body clamping ring 11; a pipe body clamping groove 71 is formed in one end of the right pipe body 7, the side-view cross sections of the pipe body clamping ring 11 and the pipe body clamping groove 71 are both of annular structures, and the inner diameter and the outer diameter of the pipe body clamping ring 11 are consistent with those of the pipe body clamping groove 71; during operation, firstly, the bolt sheath 42 is embedded into the groove formed in the surface of the left tray body 4, so that the outer surface of the bolt sheath 42 is in contact with the inner surface wall of the groove, then the expansion bolt 41 is embedded into the bolt sheath 42, the expansion bolt 41 is rotated by a drill bit or a wrench to rotate anticlockwise, so that the expansion bolt moves downwards in the bolt sheath 42, the bottom of the expansion bolt 41 penetrates through the groove and then enters the expansion positioning groove 32 to be fixed, the position of the upper protection plate 3 is fixed in an auxiliary manner, the upper protection plate 3 is prevented from shaking, and the connection stability between the two tray bodies is further enhanced; when left body 1 and right body 7 contact laminating, the position of body joint ring 11 can align with the position of body joint groove 71 to along with the removal of being close to each other of two bodys, then body joint ring 11 can be gradual enter into body joint groove 71 internal fixation, realize the connection effect to between left body 1 and the right body 7, improve the leakproofness of body junction as far as, prevent that the fluid in the pipeline from taking place the condition of revealing from the body junction.
As an embodiment, the chemical pipeline leakage-proof flange provided by the invention comprises a flow dividing mechanism 8, a left flow dividing plate 81, a sealing ring 82, a clamping groove 83, a clamping block 84 and a right flow dividing plate 85, wherein the clamping groove 83 is formed in the vertical end surface of the left flow dividing plate 81, the clamping block 84 is formed in the vertical end surface of the right flow dividing plate 85, the sealing ring 82 is adhered to the vertical end surface of the left flow dividing plate 81, the clamping block 84 and the clamping groove 83 are both in a trapezoidal structure, and the left flow dividing plate 81 and the right flow dividing plate 85 are connected through an embedded structure of the clamping block 84 and the clamping groove 83; the cross sections of the left flow distribution plate 81 and the right flow distribution plate 85 are both in a trapezoid structure, the thicknesses of the left flow distribution plate 81 and the right flow distribution plate 85 are equal, wherein the vertical end surfaces of the left flow distribution plate 81 and the right flow distribution plate 85 are in contact fit, the inclined directions of the inclined ends of the left flow distribution plate 81 and the right flow distribution plate 85 are opposite, and the inclined angles of the left flow distribution plate 81 and the right flow distribution plate 85 with the left pipe body 1 and the right pipe body 7 are both 30 degrees; when the pipe fitting works, the fixture block 84 can be gradually embedded into the clamping groove 83 along with clamping and fixing of the left pipe body 1 and the right pipe body 7, and in the embedding process of the fixture block 84, the fixture block 84 gradually increases the extrusion force on the sealing ring 82, so that the sealing ring 82 is extruded, extended and deformed, the sealing ring 82 seals and fills the gap at the joint of the fixture block 84 and the clamping groove 83, and the gap at the joint of the left splitter plate 81 and the right splitter plate 85 is avoided; when liquid in the pipeline flows fast, liquid can strike left flow distribution plate 81 or right flow distribution plate 85's inclined surface, because the inclined surface of two flow distribution plates has certain inclination, can play the effect to the central water conservancy diversion of department in the middle of the pipeline with the liquid that strikes flow distribution plate surface, make the fluid pressure of left flow distribution plate 81 and right flow distribution plate 85 joint seal department reduce, thereby reduce the impact force of fluid to left flow distribution plate 81 and right flow distribution plate 85 junction, reduce the seepage flow degree of fluid, further improvement flange's antiseep nature.
As one embodiment, the clamping groove 83 and the clamping block 84 are combined with the pipe body clamping groove 71 and the pipe body clamping ring 11 to form a labyrinth seal, and a gap in the labyrinth is a gradually-changed tooth-shaped cavity with a size of 30-60 degrees; when the pipe body clamping ring works, the clamping groove 83 and the clamping block 84 form a first stage of labyrinth seal, the pipe body clamping groove 71 and the pipe body clamping ring 11 form a second stage of labyrinth seal, the gradual change cavity blocks fluid flow, the seepage capability of the fluid is reduced, the leakage prevention capability is enhanced, and the leakage prevention capability and the sealing ring form combined seal, so that the sealing capability is enhanced.
In one embodiment, the latch 84 is provided with an ejector 86 and a flow channel, and the ejector 86 is arranged in the flow channel; a cylindrical groove is arranged in the clamping groove 83; during operation, fluid can flow into the circulation passageway, and fore-set 86 can be by the fluid top in the cylinder groove, and fore-set 86 can chucking flange once more, and the flange can be locked firmly by fore-set 86's the counter-thrust force, and fore-set 86 can utilize fluidic pressure to let the sealing function and the leak protection effect of flange strengthen once more.
As one embodiment, two hooks 87 are symmetrically arranged on the top pillar 86; an annular groove with a diameter larger than that of the cylindrical groove is formed in the bottom of the cylindrical groove, when the top pillar 86 props against the cylindrical groove, the clamping hook 87 can be clamped in the annular groove for clamping again, and when the acting force exceeds a threshold value, the clamping hook can reversely turn back; when the lifting column 86 is lifted in the cylindrical groove, the clamping hook 87 is opened from a closed state to perform secondary fastening; the snap 87 will use the pressure of the fluid to re-strengthen the sealing and leakage prevention of the flange.
Preferably, the bottom of the annular groove is fixedly connected with an annular air bag 88, and the annular air bag 88 presses the hook 87, so that the hook 87 cannot shake in the annular groove; when the flange separating device works, when the hook 87 is tightly clamped in the annular groove, the hook 87 extrudes the annular air bag 88, so that the annular air bag 88 generates pressing force on the hook 87, the hook 87 keeps a tight state in the annular groove and cannot deflect, and when the flange is separated, the hook 87 compresses the annular air bag 88 to enable the hook to reversely fold back; the annular bladder 88 will compress the catches 87, again enhancing the sealing and leak-proof function of the flange.
During operation, the positions of the left pipe body 1 and the right pipe body 7 are aligned, the pipe body clamping ring 11 is aligned to the position of the pipe body clamping groove 71, the pipe body clamping ring 11 is embedded into the pipe body clamping groove 71, the clamping blocks 84 are embedded into the clamping grooves 83 and fixed, then the eight fastening bolts 2 penetrate through the left disc body 4 and the right disc body 6 respectively, the two disc bodies are fastened and clamped in an omnibearing manner, and finally the upper protection plate 3 is embedded into the protection plate reserved groove 43 to play a further auxiliary positioning role for the two disc bodies; the elastic hose 5 can wrap the fastening bolt 2, so that the corrosion and abrasion degree of the fastening bolt 2 is reduced as much as possible; the upper protection plate 3 is embedded into the protection plate preformed groove 43, when the upper protection plate 3 is completely embedded into the left tray body 4 and the right tray body 6, the position of the upper protection plate 3 is fixed in an auxiliary mode, and the fixture block 84 can be gradually embedded into the clamping groove 83 along with clamping and fixing of the left tray body 1 and the right tray body 7, so that a gap at the joint of the fixture block 84 and the clamping groove 83 is filled in a sealing mode through the sealing ring 82; because the inclined surfaces of the two splitter plates have certain inclination angles, the liquid impacting the surfaces of the splitter plates can be guided to the center of the middle of the pipeline, so that the fluid pressure at the connecting and sealing position of the left splitter plate 81 and the right splitter plate 85 is reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a chemical industry pipeline antiseep flange which characterized in that: the device comprises a left pipe body (1), a fastening bolt (2), an upper protective plate (3), a left disc body (4), an elastic hose (5), a right disc body (6), a right pipe body (7) and a flow distribution mechanism (8), wherein the left pipe body (1) is positioned at one end of the right pipe body (7); the left disc body (4) is welded on one end surface of the left pipe body (1); the right disc body (6) is welded on one end surface of the right pipe body (7); the left tray body (4) is in bolted connection with the right tray body (6) through a fastening bolt (2) with a through structure; the elastic hose (5) is sleeved in the middle of the surface of the fastening bolt (2), and two ends of the elastic hose (5) are respectively in elastic contact with corresponding surfaces of the left tray body (4) and the right tray body (6); the upper protection plate (3) penetrates through the inside of the left tray body (4) and extends to the inside of the right tray body (6); the flow distribution mechanism (8) is arranged at the joint of the inner surface walls of the left pipe body (1) and the right pipe body (7);
the flow distribution mechanism (8) comprises a left flow distribution plate (81), a sealing ring (82), a clamping groove (83), a clamping block (84) and a right flow distribution plate (85); the clamping groove (83) is formed in the vertical end surface of the left flow distribution plate (81), the clamping block (84) is arranged on the vertical end surface of the right flow distribution plate (85), the sealing ring (82) is adhered to the vertical end surface of the left flow distribution plate (81), the clamping block (84) and the clamping groove (83) are both in a trapezoidal structure, and the left flow distribution plate (81) and the right flow distribution plate (85) are connected through the embedded structures of the clamping block (84) and the clamping groove (83); the cross sections of the left flow distribution plate (81) and the right flow distribution plate (85) are both in a trapezoid structure, the thicknesses of the left flow distribution plate (81) and the right flow distribution plate (85) are equal, the vertical end surfaces of the left flow distribution plate (81) and the right flow distribution plate (85) are in contact fit, the inclined ends of the left flow distribution plate (81) and the right flow distribution plate (85) are opposite in inclined direction, and the inclined angles of the left flow distribution plate (81) and the right flow distribution plate (85) and the left pipe body (1) and the right pipe body (7) are both 30 degrees;
the clamping block (84) is provided with a top column (86) and a flow channel, and the top column (86) is arranged in the flow channel; a cylindrical groove is arranged in the clamping groove (83); after the shunting mechanism (8) is clamped, the jacking column (86) can be jacked in the cylindrical groove through the flow passage by fluid, so that the clamping is enhanced.
2. The chemical pipeline leakage-proof flange as claimed in claim 1, wherein: guard plate reserved grooves (43) are symmetrically formed in the upper side and the lower side of the surfaces of the left tray body (4) and the right tray body (6); the upper guard plate (3) is positioned in the guard plate preformed groove (43); the arc of going up backplate (3) holds the both sides symmetrical welding of lower surface and has spacing cushion (31) that are used for sliding connection, and the arc of going up backplate (3) is held the upper surface and is seted up the inflation constant head tank (32) of circular structure, and the horizontal position of inflation constant head tank (32) is embedded into the inside of left disk body (4).
3. The chemical pipe leakage-proof flange as claimed in claim 2, wherein: a bolt sheath (42) is embedded at the upper end of the interior of the left tray body (4), an expansion bolt (41) is connected to the interior of the bolt sheath (42) in a threaded manner, the bottom of the expansion bolt (41) extends into the expansion positioning groove (32), the bolt sheath (42) extends to the two-thirds position above the left tray body (4), and the expansion bolt (41) extends to the one-third position above the bolt sheath (42); one end of the left pipe body (1) is welded with a pipe body clamping ring (11); body joint groove (71) have been seted up to the one end of right side body (7), and the cross-section that looks sideways at of body joint ring (11) and body joint groove (71) all is the loop configuration, and wherein, the inside and outside footpath of body joint ring (11) is unanimous with the inside and outside footpath size in body joint groove (71).
4. The chemical pipeline leakage-proof flange as claimed in claim 1, wherein: the clamping groove (83), the clamping block (84), the pipe body clamping groove (71) and the pipe body clamping ring (11) are combined to form labyrinth sealing, and a gradient tooth-shaped cavity with 30-60 degrees of clearance in the labyrinth is formed.
5. The chemical pipeline leakage-proof flange as claimed in claim 1, wherein: two clamping hooks (87) are symmetrically arranged on the top column (86); the bottom of the cylindrical groove is provided with an annular groove with a diameter larger than that of the cylindrical groove, when the top pillar (86) is jacked in the cylindrical groove, the clamping hook (87) can be clamped in the annular groove to be clamped again, and when the force exceeds a threshold value, the clamping hook can reversely turn back.
6. The chemical pipeline leakage-proof flange as claimed in claim 5, wherein: the bottom of the annular groove is fixedly connected with an annular air bag (88), and the annular air bag (88) compresses the hook (87) so that the hook (87) cannot shake in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200531.8A CN109780347B (en) | 2019-03-16 | 2019-03-16 | Chemical pipeline antiseep flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200531.8A CN109780347B (en) | 2019-03-16 | 2019-03-16 | Chemical pipeline antiseep flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109780347A CN109780347A (en) | 2019-05-21 |
| CN109780347B true CN109780347B (en) | 2020-10-30 |
Family
ID=66488547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910200531.8A Active CN109780347B (en) | 2019-03-16 | 2019-03-16 | Chemical pipeline antiseep flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109780347B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115013627B (en) * | 2022-06-08 | 2023-08-08 | 合肥海博工程设计集团有限公司 | Old pipeline joint leakage-proof equipment for community transformation |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202132632U (en) * | 2011-06-28 | 2012-02-01 | 鞍钢股份有限公司 | Flange joint leakproof device |
| CN203240161U (en) * | 2013-05-14 | 2013-10-16 | 浙江工贸职业技术学院 | Combined flange with T-shaped slot |
| WO2015075966A1 (en) * | 2013-11-20 | 2015-05-28 | ＴＯＫｉエンジニアリング株式会社 | Pipe joint structure |
| CN206130358U (en) * | 2016-11-03 | 2017-04-26 | 河海大学 | Connection structure of pipeline is moulded to lining fluorine |
| CN109268595A (en) * | 2018-11-22 | 2019-01-25 | 泰州华然不锈钢制品有限公司 | A kind of fluid pipeline steel flange component |
-
2019
- 2019-03-16 CN CN201910200531.8A patent/CN109780347B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202132632U (en) * | 2011-06-28 | 2012-02-01 | 鞍钢股份有限公司 | Flange joint leakproof device |
| CN203240161U (en) * | 2013-05-14 | 2013-10-16 | 浙江工贸职业技术学院 | Combined flange with T-shaped slot |
| WO2015075966A1 (en) * | 2013-11-20 | 2015-05-28 | ＴＯＫｉエンジニアリング株式会社 | Pipe joint structure |
| CN206130358U (en) * | 2016-11-03 | 2017-04-26 | 河海大学 | Connection structure of pipeline is moulded to lining fluorine |
| CN109268595A (en) * | 2018-11-22 | 2019-01-25 | 泰州华然不锈钢制品有限公司 | A kind of fluid pipeline steel flange component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109780347A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109780347B (en) | Chemical pipeline antiseep flange | |
| CN112228646A (en) | Sealed valve | |
| CN202901651U (en) | Clamping claw type high-pressure tube connector | |
| CN113502797A (en) | Active packer | |
| WO2023216564A1 (en) | Inflatable active packer | |
| CN207213499U (en) | A kind of self-fastening sealing structure that can open soon of pipe cleaning valve | |
| CN101586730B (en) | Quick high-pressure no transmission stoppage urgent repair method and jig | |
| CN210291079U (en) | High-strength force transmission joint for flexible pipeline | |
| CN212744299U (en) | Fracturing pump hydraulic end valve box sealing device with corrosion-resistant function | |
| CN212721957U (en) | Leak source detects uses pipeline end plugging device | |
| CN211232020U (en) | Three-way joint convenient and rapid to insert | |
| CN212080470U (en) | Flange capable of adjusting connection angle | |
| CN210106650U (en) | Prevent leaking hard seal ball valve for high temperature convenient to installation | |
| CN112761682A (en) | Water stop ring with split hinge rubber ring | |
| CN205896487U (en) | Flange suitable for multitube footpath | |
| CN220320549U (en) | Pipeline connecting piece | |
| CN201090899Y (en) | Under-pressure quick maintaining fluid sac type piping clip | |
| CN216666557U (en) | Soft-hard combined sealed ultralow temperature ball valve | |
| CN217653427U (en) | Seepage-proofing water-stopping structure | |
| CN219317894U (en) | Angle-adjustable stainless steel connecting pipe | |
| CN108266592A (en) | A kind of valve leak, which is met an urgent need, blocks device | |
| CN219159641U (en) | High-precision valve body with long service life and sealing function | |
| CN204805775U (en) | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device | |
| CN218914148U (en) | PE lining pipe end sealing and reinforcing device | |
| CN216479346U (en) | Water stop ring with integrated hinge rubber ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Dong Linjie Inventor after: Hu Jianke Inventor after: Lin Reyan Inventor after: Other inventor requests not to publish the name Inventor before: Request for anonymity |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200930 Address after: 323000 No.102 Longqing Road, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Applicant after: Huabo Management Co.,Ltd. Address before: 610065 School of chemical engineering, Sichuan University, No. 24 south section of first ring road, Sichuan, Chengdu Applicant before: Fang Wenxing |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |