CN212226702U - Screwed joint structure for low-temperature liquid storage tank - Google Patents
Screwed joint structure for low-temperature liquid storage tank Download PDFInfo
- Publication number
- CN212226702U CN212226702U CN202020821524.8U CN202020821524U CN212226702U CN 212226702 U CN212226702 U CN 212226702U CN 202020821524 U CN202020821524 U CN 202020821524U CN 212226702 U CN212226702 U CN 212226702U
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- Prior art keywords
- connecting piece
- groove
- block
- wall
- fixing
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 210000002445 nipple Anatomy 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to a screwed joint technical field just discloses a screwed joint structure for cryogenic liquids basin, including first connecting pipe, the right-hand member of first connecting pipe is connected with first connecting piece, the right-hand member of first connecting piece is provided with the second connecting piece, the right-hand member of second connecting piece is connected with the second connecting pipe, the pipe wall of first connecting piece is provided with the external screw thread, be provided with the internal thread on the interior pipe wall of second connecting piece, first connecting piece and second connecting piece threaded connection, the sealing ring has been cup jointed on the pipe wall of first connecting piece. The utility model discloses can consolidate the screwed joint portion of two connecting pipes for the cryogenic liquids basin, avoid two connecting pipes to take place to break away from, reinforcing apparatus's installation is comparatively convenient with the operation of dismantlement simultaneously, can save people's time and energy.
Description
Technical Field
The utility model relates to a screwed joint technical field especially relates to a screwed joint structure for cryogenic liquids basin.
Background
The threaded joint is a pipeline connecting piece with threads, is the most common pipe fitting in industry and life, enables the connection of pipelines to be simpler, is easier to disassemble and replace, and greatly saves the cost of pipeline connection. Threaded joint generally includes screw thread elbow, screw thread tee bend, screw thread union joint, screw thread pipe cap, screw thread ferrule, screw thread reducing pipe etc. however low temperature liquid basin threaded joint only leans on screw thread interconnect, and stability is relatively poor, and current reinforcement measure is fixed and is dismantled the operation comparatively loaded down with trivial details, and is more consuming time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art low temperature liquid basin screwed joint and only relying on screw thread interconnect, stability is relatively poor, and current reinforcement measure operation is comparatively loaded down with trivial details, problem consuming time, and a screwed joint structure for low temperature liquid basin that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a screwed joint structure for a low-temperature liquid storage tank comprises a first connecting pipe, wherein the right end of the first connecting pipe is connected with a first connecting piece, the right end of the first connecting piece is provided with a second connecting piece, the right end of the second connecting piece is connected with a second connecting pipe, the pipe wall of the first connecting piece is provided with an external thread, the inner pipe wall of the second connecting piece is provided with an internal thread, the first connecting piece is in threaded connection with the second connecting piece, the pipe wall of the first connecting piece is sleeved with a sealing ring, the outer ring wall of the sealing ring is arranged on the inner ring wall of the second connecting piece, and the outer pipe wall of the first connecting pipe is connected with the second connecting pipe through symmetrically arranged fixing mechanisms;
the fixing mechanism comprises a connecting assembly and a fixing assembly, the connecting assembly comprises a first fixing block, a second fixing block, an L-shaped plate and a connecting part, the first fixing block is connected to the outer pipe wall of the first connecting pipe, the second fixing block is connected to the outer pipe wall of the second connecting pipe, the horizontal end of the L-shaped plate is arranged at the upper ends of the first fixing block and the second fixing block, the connecting part comprises a fixing groove, an auxiliary block, an auxiliary rod and two torsion springs, the auxiliary block is connected to the upper end of the second fixing block, the fixing groove is formed at the lower end of the horizontal end of the L-shaped plate, the auxiliary block penetrates through the notch of the fixing groove and extends into the fixing groove, a bearing is inlaid on the auxiliary block, the two ends of the auxiliary rod are symmetrically connected to the groove wall of the fixing groove, the auxiliary rod penetrates through the inner ring wall of the, the torsion spring is sleeved on the rod wall of the auxiliary rod, one end of the torsion spring is connected on the side wall of the auxiliary block, the other end of the torsion spring is connected with the groove wall of the fixing groove, the fixing component comprises a limiting groove, a limiting rod, a limiting block, a spring and a clamping groove, the limiting groove is arranged on one side of the vertical end of the L-shaped plate close to the first fixing block, the clamping groove is arranged on the side wall of the first fixing block, one end of the limiting block is arranged in the limiting groove, the other end of the limiting block passes through the notch of the clamping groove and extends into the clamping groove, one end of the spring is connected with the bottom of the limiting groove, the other end of the spring is connected with one side of the limiting block close to the bottom of the limiting groove, one end of the limiting rod is connected to one side, close to the bottom of the limiting groove, of the limiting block, and the other end of the limiting rod penetrates through the bottom of the limiting groove and extends out of the L-shaped plate.
Preferably, the end of the limiting rod far away from the limiting block is connected with a handle, and the end of the handle far away from the limiting block is connected with a pull handle.
Preferably, the upper end of the horizontal end of the L-shaped plate is connected with a pull-snap ring, and the annular wall of the pull-snap ring is provided with anti-slip threads.
Preferably, the outer tube walls of the first and second connection tubes are coated with a corrosion-resistant layer.
Preferably, the bottom of the clamping groove is connected with a rubber pad.
Preferably, the upper end of the auxiliary block is connected with a bolt, and the auxiliary block is connected with the outer pipe wall of the second connecting pipe through the bolt.
Compared with the prior art, the utility model provides a nipple joint structure for cryogenic liquids basin possesses following beneficial effect:
this nipple joint structure for cryogenic liquids basin, through having set up first fixed block, the second fixed block, the L shaped plate, the fixed slot, supplementary piece, the auxiliary rod, torque spring, the spacing groove, the gag lever post, the stopper, spring and draw-in groove have constituted fixing device, so can consolidate the nipple joint portion of two connecting pipes for cryogenic liquids basin, avoid two connecting pipes to take place to break away from, reinforcing device's installation and the operation of dismantling are comparatively convenient simultaneously, can save people's time and energy.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can consolidate the screwed joint portion of two connecting pipes for the cryogenic liquids basin, avoid two connecting pipes to take place to break away from, reinforcing apparatus's installation and the operation of dismantling are comparatively convenient simultaneously, can save people's time and energy.
Drawings
Fig. 1 is a schematic structural view of a screw joint structure for a cryogenic liquid storage tank according to the present invention;
fig. 2 is a schematic structural view of a connection portion in a screw joint structure for a cryogenic liquid storage tank according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is a sectional view taken along line B-B in fig. 1.
In the figure: the connecting device comprises a first connecting pipe 1, a first connecting piece 2, a second connecting piece 3, a second connecting pipe 4, a connecting piece 5, a 51 fixing groove, an auxiliary block 52, an auxiliary rod 53, a torsion spring 54, a 6 fixing component, a 61 limiting groove, a 62 limiting rod, a 63 limiting block, a 64 spring, a 65 clamping groove, a first fixing block 7, a second fixing block 8 and a 9L-shaped plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a screwed joint structure for a cryogenic liquid storage tank comprises a first connecting pipe 1, wherein the right end of the first connecting pipe 1 is connected with a first connecting piece 2, the right end of the first connecting piece 2 is provided with a second connecting piece 3, the right end of the second connecting piece 3 is connected with a second connecting pipe 4, the pipe wall of the first connecting piece 2 is provided with an external thread, the inner pipe wall of the second connecting piece 3 is provided with an internal thread, the first connecting piece 2 is in threaded connection with the second connecting piece 3, the pipe wall of the first connecting piece 2 is sleeved with a sealing ring, the outer ring wall of the sealing ring is arranged on the inner ring wall of the second connecting piece 3, and the outer pipe wall of the first connecting pipe 1 is connected with the second connecting pipe;
the fixing mechanism comprises a connecting assembly and a fixing assembly 6, the connecting assembly comprises a first fixing block 7, a second fixing block 8, an L-shaped plate 9 and a connecting part 5, the first fixing block 7 is connected to the outer pipe wall of the first connecting pipe 1, the second fixing block 8 is connected to the outer pipe wall of the second connecting pipe 4, the horizontal end of the L-shaped plate 9 is arranged at the upper ends of the first fixing block 7 and the second fixing block 8, the connecting part 5 comprises a fixing groove 51, an auxiliary block 52, an auxiliary rod 53 and two torsion springs 54, the auxiliary block 52 is connected to the upper end of the second fixing block 8, the fixing groove 51 is arranged at the lower end of the horizontal end of the L-shaped plate 9, the auxiliary block 52 penetrates through the notch of the fixing groove 51 and extends into the fixing groove 51, a bearing is embedded on the auxiliary block 52, two ends of the auxiliary rod 53 are symmetrically connected to the groove wall of the fixing groove 51, the auxiliary, the torsion spring 54 is sleeved on the rod wall of the auxiliary rod 53, one end of the torsion spring 54 is connected on the side wall of the auxiliary block 52, the other end of the torsion spring 54 is connected on the groove wall of the fixing groove 51, the fixing component 6 comprises a limiting groove 61, a limiting rod 62, a limiting block 63, a spring 64 and a clamping groove 65, the limiting groove 61 is arranged on one side, close to the first fixing block 7, of the vertical end of the L-shaped plate 9, the clamping groove 65 is arranged on the side wall of the first fixing block 7, one end of the limiting block 63 is arranged in the limiting groove 61, the other end of the limiting block 63 penetrates through the notch of the clamping groove 65 and extends into the clamping groove 65, one end of the spring 64 is connected to the groove bottom of the limiting groove 61, the other end of the spring 64 is connected to one side, close to the groove bottom of the limiting groove 61, one end of the limiting rod 62 is connected to one side, when two pipelines are required to be connected together, when the first connecting pipe 1 and the second connecting pipe 4 are in threaded rotation connection, the L-shaped plate 9 is pulled upwards, the L-shaped plate 9 and the auxiliary rod 53 rotate around the auxiliary block 52, the torsion spring 54 is twisted, the left end of the L-shaped plate 9 is lifted upwards, after the first connecting pipe 1 and the second connecting pipe 4 are connected, the limiting rod 62 is pulled outwards, the limiting block 63 is driven by the limiting rod 62 to move leftwards, after the limiting block 63 completely enters the limiting groove 64, the L-shaped plate 9 is loosened, the L-shaped plate 9 is restored under the action of the torsion spring 54, the torsion spring 54 can link the first fixing block 7 and the second fixing block 8 together under the influence of no gravity, the horizontal end of the L-shaped plate 9 can tightly support the first fixing block 7 and the second fixing block 8 on the outer pipe wall of the connecting pipes, the vertical end of the L-shaped plate 9 can tightly support the first fixing block 7 rightwards, avoid separation about first connecting pipe 1 and second connecting pipe 4, loosen gag lever post 62 this moment, spring 64 recovers and supports into draw-in groove 65 with stopper 63, and L shaped plate 9 is fixed, so can consolidate the screwed joint portion of two connecting pipes for the cryogenic liquids basin, avoids two connecting pipes to take place to break away from, and reinforcing apparatus's installation and the operation of dismantling are comparatively convenient simultaneously, can save people's time and energy.
The one end that stopper 63 was kept away from to gag lever post 62 is connected with the handle, and the one end that stopper 63 was kept away from to the handle is connected with the pull handle, so can conveniently stimulate gag lever post 62.
The upper end of the horizontal end of the L-shaped plate 9 is connected with a pulling and buckling ring, and the annular wall of the pulling and buckling ring is provided with anti-slip grains, so that the L-shaped plate 9 can be conveniently pulled upwards.
The outer tube walls of the first and second connection tubes 1 and 4 are coated with a corrosion-resistant layer so that the first and second connection tubes 1 and 4 can be prevented from being corroded.
The tank bottom of draw-in groove 65 is connected with the rubber pad, and when loosening the gag lever post, when the stopper moved to the draw-in groove tank bottom, the impact when can reducing stopper and draw-in groove tank bottom and bumping.
The upper end of the auxiliary block 52 is connected with a bolt, and the auxiliary block 52 is connected with the outer pipe wall of the second connecting pipe 4 through the bolt, so that the auxiliary block 52 is connected with the second fixing block 8 more tightly.
In the utility model, when two pipelines are connected together, when the first connecting pipe 1 and the second connecting pipe 4 are connected by screw thread rotation, the L-shaped plate 9 is pulled upwards, the L-shaped plate 9 and the auxiliary rod 53 rotate around the auxiliary block 52, and the torsion spring 54 is twisted, at the moment, the left end of the L-shaped plate 9 is lifted upwards, after the first connecting pipe 1 and the second connecting pipe 4 are connected, the limiting rod 62 is pulled outwards, the limiting rod 62 drives the limiting block 63 to move leftwards, after the limiting block 63 completely enters the limiting groove 64, the L-shaped plate 9 is loosened, the L-shaped plate 9 is restored under the action of the torsion spring 54, the torsion spring 54 can link the first fixed block 7 and the second fixed block 8 together under the influence of gravity, the horizontal end of the L-shaped plate 9 can tightly support the first fixed block 7 and the second fixed block 8 on the outer pipe wall of the connecting pipe, the vertical end of the L-shaped plate 9 can tightly support the first fixed block 7 to the right, avoid separation about first connecting pipe 1 and second connecting pipe 4, loosen gag lever post 62 this moment, spring 64 recovers and supports into draw-in groove 65 with stopper 63, and L shaped plate 9 is fixed, so can consolidate the screwed joint portion of two connecting pipes for the cryogenic liquids basin, avoids two connecting pipes to take place to break away from, and reinforcing apparatus's installation and the operation of dismantling are comparatively convenient simultaneously, can save people's time and energy.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A screw joint structure for a low-temperature liquid storage tank comprises a first connecting pipe (1), it is characterized in that the right end of the first connecting pipe (1) is connected with a first connecting piece (2), a second connecting piece (3) is arranged at the right end of the first connecting piece (2), a second connecting pipe (4) is connected at the right end of the second connecting piece (3), the pipe wall of the first connecting piece (2) is provided with external threads, the inner pipe wall of the second connecting piece (3) is provided with internal threads, the first connecting piece (2) is in threaded connection with the second connecting piece (3), the pipe wall of the first connecting piece (2) is sleeved with a sealing ring, the outer ring wall of the sealing ring is arranged on the inner ring wall of the second connecting piece (3), and the outer pipe wall of the first connecting pipe (1) is connected with the second connecting pipe (4) through symmetrically arranged fixing mechanisms;
the fixing mechanism comprises a connecting assembly and a fixing assembly (6), the connecting assembly comprises a first fixing block (7), a second fixing block (8), an L-shaped plate (9) and a connecting part (5), the first fixing block (7) is connected to the outer pipe wall of the first connecting pipe (1), the second fixing block (8) is connected to the outer pipe wall of the second connecting pipe (4), the horizontal end of the L-shaped plate (9) is arranged at the upper end of the first fixing block (7) and the upper end of the second fixing block (8), the connecting part (5) comprises a fixing groove (51), an auxiliary block (52), an auxiliary rod (53) and two torsion springs (54), the auxiliary block (52) is connected to the upper end of the second fixing block (8), the lower end of the horizontal end of the L-shaped plate (9) is arranged in the fixing groove (51), the auxiliary block (52) penetrates through the notch of the fixing groove (51) and extends into the fixing groove (51), inlay on supplementary piece (52) and have the bearing, the both ends symmetric connection of supplementary pole (53) is on the cell wall of fixed slot (51), supplementary pole (53) pass the inner circle wall setting of bearing, two torsion spring (54) are about supplementary piece (52) symmetry setting, torsion spring (54) cover is established on the pole wall of supplementary pole (53), the one end of torsion spring (54) is connected on the lateral wall of supplementary piece (52), the other end of torsion spring (54) is connected on the cell wall of fixed slot (51), fixed subassembly (6) are including spacing groove (61), gag lever post (62), stopper (63), spring (64) and draw-in groove (65), one side that the vertical end of L shaped plate (9) is close to first fixed block (7) is seted up in spacing groove (61), draw-in groove (65) are seted up on the lateral wall of first fixed block (7), the one end setting of stopper (63) is in spacing groove (61), the other end of stopper (63) passes the notch of draw-in groove (65) and extends to draw-in groove (65) in, the tank bottom at spacing groove (61) is connected to the one end of spring (64), the other end of spring (64) is connected in one side that stopper (63) are close to spacing groove (61) tank bottom, the one side that stopper (63) are close to spacing groove (61) tank bottom is connected to the one end of gag lever post (62), the tank bottom of spacing groove (61) is run through and extends to L shaped plate (9) to the other end of gag lever post (62).
2. The thread joint structure for a cryogenic liquid storage tank according to claim 1, wherein a handle is connected to an end of the limit rod (62) away from the limit block (63), and a pull handle is connected to an end of the handle away from the limit block (63).
3. A threadable joint structure for a cryogenic liquid storage tank according to claim 1, characterized in that the upper end of the horizontal end of the L-shaped plate (9) is connected with a pull buckle ring, and the ring wall of the pull buckle ring is provided with anti-slip threads.
4. A threadable joint structure for a cryogenic liquid storage tank according to claim 1, characterized in that the outer pipe walls of the first connecting pipe (1) and the second connecting pipe (4) are coated with a corrosion-resistant layer.
5. A screw joint structure for a cryogenic liquid storage tank according to claim 1, wherein a rubber gasket is attached to the bottom of the groove (65).
6. A threadable joint structure for a cryogenic liquid storage tank according to claim 1, characterized in that a bolt is connected to the upper end of the auxiliary block (52), and the auxiliary block (52) is connected to the outer pipe wall of the second connection pipe (4) by the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821524.8U CN212226702U (en) | 2020-05-18 | 2020-05-18 | Screwed joint structure for low-temperature liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020821524.8U CN212226702U (en) | 2020-05-18 | 2020-05-18 | Screwed joint structure for low-temperature liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212226702U true CN212226702U (en) | 2020-12-25 |
Family
ID=73927708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020821524.8U Expired - Fee Related CN212226702U (en) | 2020-05-18 | 2020-05-18 | Screwed joint structure for low-temperature liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212226702U (en) |
-
2020
- 2020-05-18 CN CN202020821524.8U patent/CN212226702U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |