Butt joint device for connecting pipeline joints of liquid caustic soda tank

Abstract

The utility model relates to the field of pipeline installation, in particular to a butt joint device for connecting pipeline joints of a liquid caustic soda tank, which comprises a mother connecting pipe, a first flange, a ring cylinder, a son connecting pipe, a limiting ring and the like, the first flange is arranged at the front end of the female connecting pipe in a threaded mode, the wall face of the middle in the female connecting pipe is smaller than cavity wall faces of the two inner portions of the female connecting pipe, an annular cylinder is arranged on the outer side of the middle of the female connecting pipe in a sliding mode, and a child connecting pipe is arranged at the rear end of the female connecting pipe in a threaded mode. Limiting rings are arranged on the two embedded outer sides of the outer side of the rear portion of the female connecting pipe. According to the utility model, the clamping ball is matched with the annular groove, so that the butt joint process is simple and quick, and quick connection and disassembly of the secondary connecting pipe and the primary connecting pipe can be realized without complicated tools; a locking mechanism formed by the first check block and the second check block which are driven by the spring ensures the stability of the connecting part when the connecting part bears liquid pressure or external vibration, and the risk of accidental falling is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline installation field especially relates to a butt joint device for liquid caustic soda tank pipeline joint connection. BACKGROUND

[0002] Liquid caustic soda tank is a container used to store liquid alkaline substances such as sodium hydroxide solution, potassium hydroxide solution, etc. These alkaline substances are widely used in chemical industry, papermaking, textile, petroleum refining and other industries.

[0003] Liquid caustic soda tank pipeline refers to a series of pipeline systems used to transport liquid alkaline substances. These pipelines connect storage tanks with other production equipment or facilities such as pump stations, mixing tanks, reactors, etc. to ensure the safe transportation of liquid caustic soda.

[0004] Liquid caustic soda tank pipeline is generally connected to the flange joint pipe on the liquid caustic soda tank. During the butt joint, manual tightening of multiple screws or welding is usually required for fixation, which not only consumes time and effort, but also easily causes wear and tear of the interface under frequent disassembly and assembly, thereby affecting the sealing performance.

[0005] Therefore, there is an urgent need to design a butt joint device for liquid caustic soda tank pipeline joint connection. SUMMARY

[0006] In order to overcome the shortcomings of the above-mentioned prior art, the utility model provides a butt joint device for liquid caustic soda tank pipeline joint connection.

[0007] The utility model discloses a technical scheme is: a kind of butt joint device for liquid caustic soda tank pipeline joint connection, including female pipe, first flange, ring cylinder, daughter pipe, limit ring, first spring, second spring, ball, first guide frame, second guide frame, first guide rod, second guide rod, first stop block and second stop block, female pipe and first flange are combined as the butt joint of liquid caustic soda tank upper self-possessed, female pipe front end is provided with first flange, the wall surface of female pipe inner middle part is less than the cavity wall surface of its two parts, female pipe middle part outside is slidably provided with ring cylinder, female pipe rear end is provided with daughter pipe, the both sides of female pipe rear outside are embeddedly provided with limit ring outside, ring cylinder both sides and limit ring outside are in abutment, ring cylinder and the end face of female pipe middle part outside are jointly provided with first spring, female pipe inner rear part is slidably provided with several ball with circumferential uniformity, ring cylinder inner rear side and several ball sliding contact, daughter pipe front outside is provided with annular groove corresponding with the profile of ball, female pipe inner front part is provided with first guide frame, first guide rod is slidably arranged in first guide frame, first guide rod rear end is provided with first stop block, and the size of the stop block profile is adapted to the wall surface of female pipe inner middle part, and it can be completely closed, second spring is arranged between first stop block and guide frame, second guide frame is arranged in daughter pipe inner rear part, second guide rod is slidably arranged in second guide frame, and second guide rod front end is provided with second stop block, and the front end of second stop block is protruded, and the protrusion is in abutment with first stop block in front, and third spring is arranged between second stop block and second guide frame.

[0008] Further, it further includes second flange, and the second flange is arranged on the rear end of the daughter pipe and is used for connecting the conveying pipe.

[0009] Further, it further includes anti-skid ring, and the anti-skid ring is adhered to the both sides of the outer part of the ring cylinder.

[0010] Further, it further includes rubber ring, and the rubber ring is arranged in the rear part of the female pipe, and the inner diameter of the rubber ring is adapted to the outer diameter of the front part of the daughter pipe.

[0011] Further, when the female pipe and the daughter pipe are butted, the protrusions of the first stop block and the second stop block are in contact, the female pipe inner middle part is no longer closed, the first guide rod and the second guide rod slide outward simultaneously under the influence of force, and the second spring and the third spring are in compression deformation state under the influence of force.

[0012] Further, when the ring cylinder slides in the rear part of the female pipe under the extension of the first spring, the inner side of the ring cylinder is in contact with the upper parts of the balls, and under the action of contact force, the balls slide downward in the female pipe, and the lower parts of the balls are embedded in the annular groove of the front part of the daughter pipe.

[0013] Further, when the ring cylinder moves in a straight line forward under external force, the balls are not in sliding state under force, and the daughter pipe is not limited by the balls, so that the daughter pipe can be disassembled.

[0014] Further, it further comprises a mounting cover, a hand wheel, a worm, a worm wheel and a flow resistance plate, the second flange is provided with the mounting cover, a worm is rotationally arranged on one side in the mounting cover, the rod of the worm penetrates the mounting cover and outwardly extends, the rod of the worm is provided with the hand wheel, a worm wheel is rotationally arranged on the other side in the mounting cover, the worm wheel rotationally engages with the adjacent worm, and the lower portion of the worm wheel is provided with the flow resistance plate, and the flow resistance plate is located at the rear portion in the second flange.

[0015] The utility model discloses the beneficial effects are: 1, the utility model discloses a ball and annular groove cooperation, the butt joint process is simple and quick, and the quick connection and disassembly of female connector and male connector can be realized without complex tools.

[0016] 2, the utility model discloses the design of rubber ring ensures the tightness of butt joint portion, effectively prevents the leakage of liquid alkali in the transmission process, improves the security of system, and the worm and worm wheel linkage mechanism on the second flange allow the position of flow resistance plate to be adjusted conveniently, so that the flow of liquid alkali is flexibly controlled according to actual demands, and the adaptability of equipment under different working conditions is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0018] Figure 2 It is the sectional structure schematic diagram of ring cylinder, antiskid ring and limiting ring parts of the utility model.

[0019] Figure 3 It is the sectional structure schematic diagram of spring, ball and rubber ring parts of the utility model.

[0020] Figure 4 It is the three-dimensional structure schematic diagram of second guide rod and female connector of the utility model.

[0021] Figure 5 It is the sectional structure schematic diagram of female connector, second stopper and third spring parts of the utility model.

[0022] Figure 6 It is the structure schematic diagram of worm wheel, worm and second flange parts of the utility model.

[0023] Figure 7 It is the structure schematic diagram of worm wheel and flow resistance plate parts of the utility model.

[0024] Figure 8 It is the sectional structure schematic diagram of female connector, male connector and second flange parts of the utility model.

[0025] Figure 9The utility model discloses a split structure side view of female connector and sub connector in butt joint state.

[0026] Figure 10 The utility model discloses a split structure side view of female connector and sub connector in separation state.

[0027] Part name and serial number in drawing: 1: female connector, 2: first flange, 21: second flange, 3: ring cylinder, 4: antiskid ring, 5: sub connector, 6: limit ring, 7: first spring, 71: second spring, 72: third spring, 8: ball, 9: rubber ring, 10: first guide frame, 101: second guide frame, 11: first guide rod, 12: second guide rod, 121: first stopper, 13: second stopper, 14: mounting cover, 15: hand wheel, 16: worm, 17: worm wheel, 18: resistance plate. DETAILED DESCRIPTION

[0028] The utility model will be further described below in conjunction with specific embodiment, and the illustrative embodiment of the utility model and the explanation used in the description are used to explain the utility model, but do not as the limitation of the utility model.

[0029] Embodiment: a kind of liquid caustic soda tank pipeline joint connects with butt joint device, such as Figures 1-5 And Figures 8-10As shown, including female connector 1, the first flange 2, ring 3, sub-connector 5, limit ring 6, the first spring 7, the second spring 71, ball 8, the first guide 10, the second guide 101, the first guide 11, the second guide 12, the first stop 121 and the second stop 13, female connector 1 as a fixed part of the liquid caustic pot piping system, combined with the first flange 2 to form a docking basic structure, with a specific shape of the cavity inside, in order to interact with the sub-connector 5 and other internal components, female connector 1 combined with the first flange 2 as the liquid caustic pot on its own docking, female connector 1 front end threaded with the first flange 2, female connector 1 inner wall smaller than the cavity wall of the two parts in the middle, female connector 1 with ring 3 in the middle outside, female connector 1 and sub-connector 5 docking, the first stop 121 and the second stop 13 protruding block is in contact, no longer closed female connector 1 in the middle, affected by the force, the first guide 11 and the second guide 12 at the same time to slide outwards, while the second spring 71 and the third spring 72 are in compression state under stress; ring 3 with the first spring 7 under the action of stretching in the female connector 1 rear, ring 3 inside then contact on each ball 8 upper, and by the contact force, each ball 8 then to female connector 1 down, and each ball 8 lower part is embedded in the ring groove in the front of the sub-connector 5;When the ring cylinder 3 moves forward linearly by external force, the ball 8 is not in the state of sliding under force, and the sub connector 5 is not limited by the ball 8, so that the step of disassembling the sub connector 5 can be performed. The rear end of the female connector 1 is provided with the sub connector 5 in a threaded manner, which is a movable part of the docking device. The front end of the movable part is provided with an annular groove matched with the ball 8, so as to realize the connection with the female connector 1. The rear part of the female connector 1 is provided with the limiting ring 6 in an embedded manner on the outside of both sides, the two sides of the ring cylinder 3 abut against the outside of the limiting ring 6, the limiting ring 6 limits the moving range of the ring cylinder 3, and ensures that the ring cylinder 3 can only slide in the predetermined track. The ring cylinder 3 and the end face of the middle part of the female connector 1 are jointly provided with the first spring 7. The rear part of the female connector 1 is provided with a plurality of balls 8 in a circumferential uniform sliding manner. The rear side of the ring cylinder 3 is in sliding contact with the plurality of balls 8. The front part of the sub connector 5 is provided with an annular groove corresponding to the profile of the ball 8. The ball 8 is matched with the annular groove at the front end of the sub connector 5, so as to realize the preliminary fixation of the sub connector 5. The ball 8 is pushed or released by the ring cylinder 3, so as to control the locking or unlocking state of the sub connector 5. The front part of the female connector 1 is provided with the first guide frame 10. The first guide frame 10 is provided with the first guide rod 11 in a sliding manner. The rear end of the first guide rod 11 is provided with the first stop block 121. The outer profile of the stop block is matched with the size of the wall surface of the middle part of the female connector 1, and can be completely closed. The first stop block 121 and the guide frame are provided with the second spring 71. The rear part of the sub connector 5 is provided with the second guide frame 101. The first guide frame 10 and the second guide frame 101 provide guidance for the first guide rod 11 and the second guide rod 12, so as to ensure the linearity and stability of the first guide rod 11 and the second guide rod 12 during movement. The second guide frame 101 is provided with the second guide rod 12 in a sliding manner. The front end of the second guide rod 12 is provided with the second stop block 13. The front end of the second stop block 13 protrudes, and the protrusion abuts against the front first stop block 121. The first stop block 121 and the second stop block 13 are separated by contact, so as to realize the locking and unlocking of the docking device, and ensure that the sub connector 5 will not be pulled out when bearing liquid pressure or vibration. The second stop block 13 and the second guide frame 101 are provided with the third spring 72. The second spring 71 and the third spring 72 realize the locking mechanism between the first stop block 121 and the second stop block 13 through elastic force, so as to ensure the stability of the sub connector 5 after docking.

[0030] As shown in Figure 1 , Figure 6 and Figure 8 , the second flange 21 is further included. The rear end of the sub connector 5 is provided with the second flange 21 in a threaded manner, which is used for accessing the conveying pipe, so as to expand the application range of the docking device.

[0031] As shown in Figure 1 , Figure 2 and Figure 8 , the anti-skid ring 4 is further included. The two sides of the outer part of the ring cylinder 3 are both glued with the anti-skid ring 4.

[0032] As shown in Figure 3 and Figure 8As shown, the rubber ring 9 is arranged in the rear part of the female connector 1, and the inner diameter of the rubber ring 9 is matched with the outer diameter of the front part of the male connector 5.

[0033] As shown, the mounting cover 14, the hand wheel 15, the worm 16, the worm wheel 17 and the baffle 18 are further arranged, the mounting cover 14 is arranged on the top of the second flange 21, the worm 16 is rotatably arranged on one side of the mounting cover 14, the rod of the worm 16 penetrates through the mounting cover 14 and extends outward, the hand wheel 15 is arranged on the rod of the worm 16, the worm wheel 17 is rotatably arranged on the other side of the mounting cover 14, the worm wheel 17 is rotatably engaged with the adjacent worm 16, the baffle 18 is arranged on the lower part of the worm wheel 17, and the baffle 18 is arranged in the rear part of the second flange 21, the position of the baffle 18 is adjusted by rotating the worm 16, the flow of the liquid caustic soda is controlled or the flow channel is closed, and the operation flexibility and safety of the device are increased. Figures 6-8 Before the connection, the ring cylinder 3 is arranged in the rear part of the female connector 1, at this time, the ring cylinder 3 is pushed forward to slide, so that the first spring 7 is pulled to be in the stretched state, and the part of the clamping ball 8 in the female connector 1 is exposed from the inner wall, at this time, the male connector 5 is aligned with the female connector 1 and pushed forward to rotate in the threaded direction, and the connection process is gradually realized, the front end of the male connector 5 is designed with an annular groove, with the gradual pushing of the male connector 5 into the female connector 1, the annular groove of the front end of the male connector 5 is gradually aligned with the clamping ball 8, in this process, the male connector 5 will extrude the clamping ball 8 to make it shrink to the inside of the female connector 1, when the male connector 5 continues to push forward, until the annular groove of the front end of the male connector 5 is aligned with the clamping ball 8 and is embedded in the annular groove of the front end of the male connector 5, so that the preliminary fixation between the male connector 5 and the female connector 1 is realized, due to the action of the first spring 7, the ring cylinder 3 is reset to be in the rear part of the female connector 1, after the male connector 5 is completely inserted into place, the protrusion of the front end of the male connector 5 will contact the first stop block 121 to push the first stop block 121 and the first guide rod 11 behind it to move forward, at the same time, the second stop block 13 will also be extruded, and the second guide rod 12 will move backward, at this time, the second spring 71 and the third spring 72 are respectively in the compressed state, this locking mechanism ensures that the male connector 5 will not be pulled out of the female connector 1 due to the liquid pressure or vibration and the like under normal working conditions, the rubber ring 9 arranged in the rear part of the female connector 1 will be closely attached to the outer surface of the front end of the male connector 5, and the sealing performance of the connection part is further enhanced to prevent the leakage of the liquid caustic soda; when the second flange 21 is connected to the male connector 5 and is in use, the position of the worm wheel 17 can be adjusted by rotating the worm 16, and then the position of the baffle 18 is changed, so that the flow of the liquid caustic soda is adjusted according to the needs, or the flow channel is closed during disassembly or maintenance, and the operation flexibility and safety of the device are increased.

[0034]

[0035] ​When the sub-connector 5 needs to be disassembled, first push the ring cylinder 3 forward to overcome the elastic force of the first spring 7, at this time, the inside of the ring cylinder 3 no longer exerts pressure on the clamping ball 8, the clamping ball 8 will be withdrawn from the annular groove at the front end of the sub-connector 5 under the action of gravity, once the clamping ball 8 is completely separated from the annular groove at the front end of the sub-connector 5, the sub-connector 5 can be easily pulled out of the female connector 1, and the disassembly of the sub-connector 5 is completed.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A butt joint device for connecting pipe joints in a liquid alkali tank, characterized in that, The utility model relates to a liquid caustic soda tank upper self -bearing butt joint place that has including female connector (1), first flange (2), ring cylinder (3), sub connector (5), limit ring (6), first spring (7), second spring (71), ball (8), first guide frame (10), second guide frame (101), first guide rod (11), second guide rod (12), first stopper (121) and second stopper (13), female connector (1) is combined with first flange (2) as liquid caustic soda tank upper self -bearing butt joint place, female connector (1) front end thread is provided with first flange (2), female connector (1) inner middle part wall surface is less than its inner two department cavity wall surface, female connector (1) middle part outside slide is provided with ring cylinder (3), female connector (1) rear end thread is provided with sub connector (5), female connector (1) rear part outside both sides embedded type outside is provided with limit ring (6), ring cylinder (3) both sides and limit ring (6) outside abut, ring cylinder (3) and female connector (1) middle part outside the end face jointly provided with first spring (7), female connector (1) inner rear part is with the circumferential even sliding and is provided with a plurality of ball (8), ring cylinder (3) inner rear side and a plurality of ball (8) sliding contact, sub connector (5) front part outside is provided with annular groove corresponding with the contour of ball (8), female connector (1) inner front part is provided with first guide frame (10), first guide frame (10) inner slide is provided with first guide rod (11), first guide rod (11) rear end is provided with first stopper (121), and the stopper contour is adapted to the wall surface size of female connector (1) inner middle part, and can be completely closed, first stopper (121) and guide frame are provided with second spring (71), sub connector (5) inner rear part is provided with second guide frame (101), second guide frame (101) inner slide is provided with second guide rod (12), and second guide rod (12) front end is provided with second stopper (13), and second stopper (13) front end protrusion, and the protrusion is in contact with the front first stopper (121), and second stopper (13) and second guide frame (101) are provided with third spring (72).

2. The butt joint device for connecting a pipe joint of a caustic soda tank according to claim 1, characterized by Also including second flange (21), sub connector (5) rear end thread is provided with second flange (21) for accessing the delivery pipe.

3. The butt joint device for liquid caustic tank pipe joint connection according to claim 2, characterized in that, Also including anti -skid ring (4), ring cylinder (3) both sides are all glued with anti -skid ring (4).

4. The butt joint device for liquid caustic tank pipe joint connection according to claim 3, characterized in that, Also including rubber ring (9), female connector (1) inner rear part is provided with rubber ring (9), and the inner diameter of rubber ring (9) is adapted to the outer diameter of sub connector (5) front part.

5. The butt joint device for liquid caustic tank pipe joint connection according to claim 4, characterized in that, When female connector (1) and sub connector (5) butt joint, the first stopper (121) and the second stopper (13) protrusion are in contact, no longer close female connector (1) inner middle part, under the influence of force, first guide rod (11) and second guide rod (12) slide outwards simultaneously, and second spring (71) and third spring (72) are in compression deformation state under the force.

6. The butt joint device for liquid caustic tank pipe joint connection according to claim 5, characterized in that, When the ring cylinder (3) slides in the rear of the female connector (1) under the extension of the first spring (7), the inner side of the ring cylinder (3) contacts the upper part of each ball (8), and each ball (8) slides downward to the female connector (1) under the action of the contact force, and the lower part of each ball (8) is embedded in the annular groove in the front of the male connector (5).

7. The butt joint device for liquid caustic tank pipe joint connection according to claim 6, characterized in that, When the ring cylinder (3) moves linearly forward under external force, the ball (8) is not in the state of sliding under force, and the male connector (5) is not limited by the ball (8), so that the disassembly step of the male connector (5) can be performed.

8. The butt joint device for liquid caustic tank pipe joint connection according to claim 7, characterized in that, Further comprising a mounting cover (14), a hand wheel (15), a worm (16), a worm wheel (17) and a flow resistance plate (18), the top of the second flange (21) is provided with the mounting cover (14), one side of the inside of the mounting cover (14) is rotatably provided with the worm (16), the rod body of the worm (16) penetrates the mounting cover (14) and extends outward, the rod body of the worm (16) is provided with the hand wheel (15), the other side of the inside of the mounting cover (14) is rotatably provided with the worm wheel (17), the worm wheel (17) is rotatably engaged with the adjacent worm (16), the lower part of the worm wheel (17) is provided with the flow resistance plate (18), and the flow resistance plate (18) is located in the rear part in the second flange (21).

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