CN110260066B - Fastening type steel bushing for exhaust pipe of low-temperature refrigeration equipment - Google Patents
Fastening type steel bushing for exhaust pipe of low-temperature refrigeration equipment Download PDFInfo
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- CN110260066B CN110260066B CN201910540138.3A CN201910540138A CN110260066B CN 110260066 B CN110260066 B CN 110260066B CN 201910540138 A CN201910540138 A CN 201910540138A CN 110260066 B CN110260066 B CN 110260066B
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- refrigeration equipment
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 135
- 239000010959 steel Substances 0.000 title claims abstract description 135
- 238000005057 refrigeration Methods 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002195 synergetic effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to a steel bushing for a fastening type low-temperature refrigeration equipment exhaust pipe, which aims to solve the problem that the steel bushing is not firmly fixed due to the fact that only a single screw is simply adopted for fixing when the existing steel bushing is fixed, and comprises a fixing screw and a first threaded hole, wherein the first threaded hole is formed in the steel bushing, the fixing screw is arranged in the first threaded hole in a threaded manner, and the fixing screw is in threaded connection with a second threaded hole formed in a sealing ring; according to the steel bushing for the exhaust pipe of the fastening type low-temperature refrigeration equipment, the combined structure of the threaded rod, the clamping groove and the clamping block is added, the steel bushing and the upper steel pipe can be clamped and fixed again through the synergistic effect of the threaded rod, the clamping groove and the clamping block on the basis of fixing by the fixing screw, the structure is reasonable in arrangement, the effect of firmly fixing the steel bushing, the upper steel pipe and the lower steel pipe can be achieved through multi-step fixing, and therefore the problem of infirm fixing in the traditional single screw fixing process is solved.
Description
Technical Field
The invention relates to the technical field of low-temperature refrigeration equipment, in particular to a steel sleeve for a fastening type low-temperature refrigeration equipment exhaust pipe.
Background
The existing low-temperature refrigeration equipment exhaust pipe mostly adopts steel pipe knurls, so that the welding and positioning of copper pipes are inaccurate, the copper pipes are inconvenient to be quickly butted, the sealing effect of a sleeve body is poor, the existing exhaust pipe connection mode can not meet the production requirement gradually, and therefore the steel sleeve for the refrigeration equipment exhaust pipe is improved.
Patent application No. CN207454979U discloses a steel sleeve for a refrigeration equipment exhaust pipe, which is composed of the following structures: a sleeve body; feeding a copper pipe; arranging a copper pipe; a first tightness adjusting screw; a second tightness adjusting screw; an outer tube; a first semi-circular metal seal ring; a second semicircular metal seal ring; a first bearing housing; a second bearing housing; a first spring base; a second spring base; a first spring; a second spring; an inner tube; a strip-shaped clamping groove; a sawtooth-shaped fixture block is arranged; a strip-shaped fixture block is arranged; a sawtooth-shaped fixture block is arranged; bar fixture block and zigzag draw-in groove down, this steel bushing for refrigeration plant blast pipe changes the mode that the flower flag was done to the cover body through the blast pipe copper pipe annular knurl before into and fixes a position, the unilateral clearance of control, it is more firm to make steel pipe welding, through being equipped with zigzag fixture block, bar draw-in groove and zigzag draw-in groove, the staff of being convenient for uses the cover body to carry out the butt joint fast to the copper pipe, through being equipped with elasticity adjusting screw and metal seal circle, can adjust metal seal circle's clamping degree through the elasticity adjusting screw, the sealed effect of the cover body has.
However, when the steel sleeve for the exhaust pipe of the refrigeration equipment is fixed, only a single screw is simply adopted for fixing, so that the problem that the steel sleeve is not firmly fixed is solved.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide a steel sleeve for a fastening type low-temperature refrigeration equipment exhaust pipe, so as to solve the problem that the steel sleeve is not firmly fixed due to the fact that the conventional steel sleeve is simply fixed by a single screw when being fixed.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a steel sleeve for a fastening type low-temperature refrigeration equipment exhaust pipe comprises a steel sleeve, an upper steel pipe, a lower steel pipe and a sealing ring, wherein a steel sleeve movable sleeve is arranged outside the upper steel pipe and the lower steel pipe, a sealing ring fixed sleeve is arranged outside the lower steel pipe, the sealing ring is movably arranged outside the upper steel pipe, a fixing assembly is arranged in the steel sleeve and comprises a fixing screw and a first threaded hole, the first threaded hole is formed in the steel sleeve, the fixing screw is arranged in the first threaded hole in a threaded manner and is in threaded connection with a second threaded hole formed in the sealing ring, the tip end of the fixing screw extends to a threaded groove formed in the upper steel pipe, the fixing screw and the threaded groove are arranged in a threaded manner, a threaded pipe is sleeved on the fixing screw, a first annular sliding groove is formed in the threaded pipe, and a first sliding ball is slidably arranged in the first annular sliding groove, and the side wall of the first sliding ball is fixedly provided with a first supporting rod, the first supporting rod is fixedly arranged on the inner side plate of the steel sleeve, the threaded pipe is fixedly sleeved with a first bevel gear, the upper end of the first bevel gear is meshed with a second bevel gear, the side wall of the second bevel gear is provided with a second annular chute, a second sliding ball is arranged in the second annular chute in a sliding manner, the side wall of the second sliding ball is fixedly provided with a second supporting rod, the other end of the second supporting rod is fixedly arranged on the inner side plate of the steel sleeve, the middle part of the second bevel gear is provided with a third threaded hole, a threaded rod is arranged in the third threaded hole in a threaded manner, one end of the threaded rod is connected with an elastic telescopic rod, the other end of the elastic telescopic rod is fixedly arranged on the inner side plate of the steel sleeve, the other end of the threaded rod extends into a clamping, the joint piece is fixed to be set up on the outer tube of last steel pipe.
Furthermore, the number of the first sliding balls is at least three, and the first sliding balls are annularly arranged at equal intervals.
Furthermore, three sets of fixing screws are arranged and distributed in an equidistant annular mode.
Furthermore, a positioning sliding groove is formed in the inner side plate of the steel sleeve, a positioning sliding block is arranged on the outer pipe of the upper steel pipe, and the positioning sliding block is arranged in the positioning sliding groove in a sliding mode.
Further, the joint inslot is provided with the gag lever post, and the lower extreme of gag lever post extends to the joint outside the groove, the winding is connected with spacing spring on the gag lever post, and the both ends of spacing spring are fixed respectively and are set up on the lateral wall of gag lever post and the lower terminal surface of joint piece, the lower extreme of gag lever post extends to spacing downthehole, and spacing hole is seted up on the stopper, the fixed setting of stopper is on the outer panel of last steel pipe.
Furthermore, three groups of positioning sliding blocks are arranged in the number of the positioning sliding blocks, and the three groups of positioning sliding blocks are distributed in an equidistant annular shape.
Furthermore, one end of the limiting rod, which is positioned in the clamping groove, is of a round head structure.
Further, an anti-skidding assembly is arranged on the inner side plate of the steel sleeve.
Further, the anti-skidding subassembly includes non slipping spur, skid bar and non slipping hole, the non slipping spur is fixed to be set up on the interior plate of steel bushing, the non slipping bar is fixed to be set up on the outer tube of steel pipe down, the non slipping hole is seted up on the non slipping spur, the skid bar slides and sets up in the non slipping hole.
Further, the lower end of the anti-skid rod is of a round head structure.
(3) Has the advantages that:
in the steel sleeve for the exhaust pipe of the fastening type low-temperature refrigeration equipment, the combined structure of the threaded rod, the clamping groove and the clamping block is added, on the basis of fixing by the fixing screw, the steel sleeve and the upper steel pipe can be clamped and fixed again through the synergistic effect of the three, and meanwhile, the combined structure of the limiting rod, the limiting block and the limiting hole is also added.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional structural schematic of the present invention;
FIG. 3 is a schematic top view of the steel jacket of the present invention;
FIG. 4 is a schematic top view of the upper steel pipe according to the present invention;
FIG. 5 is a schematic view of the anti-slip assembly of the present invention;
FIG. 6 is a schematic view of a fixing member according to the present invention;
FIG. 7 is an enlarged view of the structure A of the present invention.
The reference numbers are as follows:
the anti-skidding device comprises a steel sleeve 1, an upper steel pipe 2, a lower steel pipe 3, a sealing ring 4, a fixing component 5, a fixing screw 51, a first threaded hole 52, a second threaded hole 53, a threaded groove 54, a threaded pipe 55, a first annular sliding groove 56, a first sliding ball 57, a first supporting rod 58, a first bevel gear 59, a second bevel gear 510, a second sliding ball 511, a second supporting rod 512, a third threaded hole 513, an elastic telescopic rod 514, a threaded rod 515, a clamping groove 516, a clamping block 517, a limiting rod 518, a limiting spring 519, a limiting block 520, a limiting hole 521, a positioning sliding groove 6, a positioning sliding block 7, an anti-skidding component 8, an anti-skidding block 81, an anti-skidding rod 82 and an anti-skidding hole 83.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 7 and examples:
a steel sleeve for a fastening type low-temperature refrigeration equipment exhaust pipe comprises a steel sleeve 1, an upper steel pipe 2, a lower steel pipe 3 and a sealing ring 4, wherein the steel sleeve 1 is movably sleeved outside the upper steel pipe 2 and the lower steel pipe 3, the sealing ring 4 is fixedly sleeved outside the lower steel pipe 3, the sealing ring 4 is movably arranged outside the upper steel pipe 2, a fixing component 5 is arranged in the steel sleeve 1, the fixing component 5 comprises a fixing screw 51 and a first threaded hole 52, the first threaded hole 52 is formed in the steel sleeve 1, the fixing screw 51 is arranged in the first threaded hole 52 in a threaded manner, the fixing screw 51 is in threaded connection with a second threaded hole 53 formed in the sealing ring 4, the tip end of the fixing screw 51 extends to a threaded groove 54 formed in the upper steel pipe 2, the fixing screw 51 is in threaded arrangement with the threaded groove 54, a threaded pipe 55 is arranged on the fixing screw 51, a first annular chute 56 is formed in the threaded pipe 55, a first sliding ball 57 is arranged in the first annular chute 56, a first supporting rod 58 is fixedly arranged on the side wall of the first sliding ball 57, the first supporting rod 58 is fixedly arranged on the inner side plate of the steel sleeve 1, a first bevel gear 59 is fixedly sleeved outside the threaded pipe 55, a second bevel gear 510 is meshed at the upper end of the first bevel gear 59, a second annular sliding groove is formed in the side wall of the second bevel gear 510, a second sliding ball 511 is arranged in the second annular sliding groove in a sliding manner, a second supporting rod 512 is fixedly arranged on the side wall of the second sliding ball 511, the other end of the second supporting rod 512 is fixedly arranged on the inner side plate of the steel sleeve 1, a third threaded hole 513 is formed in the middle of the second bevel gear 510, a threaded rod 515 is arranged in the third threaded hole 513 in a threaded manner, one end of the threaded rod 515 is connected with an elastic telescopic rod 514, the other end of the elastic telescopic rod 514 is fixedly arranged on the inner side plate of the steel sleeve 1, and the clamping groove 516 is arranged on the clamping block 517, the clamping block 517 is fixedly arranged on the outer pipe of the upper steel pipe 2, in the steel sleeve for the exhaust pipe of the fastening type low-temperature refrigeration equipment, by adding the combined structure of the threaded rod 515, the clamping groove 516 and the clamping block 517, on the basis of the fixation of the fixing screw 51, the steel sleeve 1 and the upper steel pipe 2 can be clamped and fixed again through the synergistic action of the three, meanwhile, the combined structure of the limiting rod 518, the limiting block 520 and the limiting hole 521 is added, the steel sleeve 1 and the upper steel pipe 2 can be further clamped and fixed, and in the steel sleeve for the exhaust pipe of the fastening type low-temperature refrigeration equipment, the structure of the invention is reasonable, the steel sleeve 1, the upper steel pipe 2 and the lower steel pipe 3 can be firmly fixed through multi-step fixation, so that the problem of infirm fixation in the conventional single-screw fixation is solved.
The above-mentioned combined structure of the first sliding balls 57 and the first supporting rods 58 plays a supporting role, and in order to achieve a better fixing effect, in this embodiment, the number of the first sliding balls 57 is at least three, and the plurality of first sliding balls 57 are annularly arranged at equal intervals.
In order to achieve a more stable fixing effect, in the present embodiment, three sets of fixing screws 51 are provided, and the three sets of fixing screws 51 are annularly distributed at equal intervals.
When assembling steel bushing 1, going up steel pipe 2 and lower steel pipe 3 fixedly, in order to make the location that three's position can be more accurate, in this embodiment, seted up location spout 6 on the interior curb plate of steel bushing 1, be provided with location slider 7 on going up the outer tube of steel pipe 2, and location slider 7 slides and sets up in location spout 6.
In this embodiment, be provided with the gag lever post 518 in the joint groove 516, and outside the lower extreme of gag lever post 518 extended to joint groove 516, the winding is connected with spacing spring 519 on the gag lever post 518, and the both ends of spacing spring 519 are fixed respectively and are set up on the lateral wall of gag lever post 518 and the lower terminal surface of joint piece 517, the lower extreme of gag lever post 518 extends to in the spacing hole 521, and spacing hole 521 is seted up on stopper 520, stopper 520 is fixed to be set up on the outer panel of last steel pipe 2, during the motion of above-mentioned threaded rod 515, can conflict gag lever post 518 downstream, the motion of gag lever post 518 can get into in the spacing hole 521, thereby realize gag lever post 518 and stopper 520's relatively fixed, and then can carry out the joint to steel bushing 1 and last steel pipe 2 and fix.
In order to achieve a better accurate positioning effect, in this embodiment, three groups of positioning sliders 7 are arranged, and the three groups of positioning sliders 7 are annularly distributed at equal intervals.
When the threaded rod 515 collides with the limiting rod 518 to move, in order to prevent the situation of being stuck, in this embodiment, one end of the limiting rod 518 located in the clamping groove 516 is of a round head structure.
In this embodiment, be provided with anti-skidding subassembly 8 on the interior plate of steel bushing 1, anti-skidding subassembly 8 includes non slipping spur 81, antislip rod 82 and antiskid hole 83, non slipping spur 81 is fixed to be set up on the interior plate of steel bushing 1, antislip rod 82 is fixed to be set up on the outer tube of steel pipe 3 down, antiskid hole 83 is seted up on non slipping spur 81, antislip rod 82 slides and sets up in antiskid hole 83, anti-skidding subassembly 8's setting can effectively carry out the joint to steel bushing 1 and lower steel pipe 3 and fix.
In order to prevent the occurrence of the jamming, in the present embodiment, the lower end of the anti-slip rod 82 is provided with a round head structure.
The invention has the beneficial effects that:
in the steel sleeve for the exhaust pipe of the fastening type low-temperature refrigeration equipment, by adding the combined structure of the threaded rod 515, the clamping groove 516 and the clamping block 517, on the basis of the fixation of the fixing screw 51, the steel sleeve 1 and the upper steel pipe 2 can be clamped and fixed again through the synergistic action of the three, meanwhile, the combined structure of the limiting rod 518, the limiting block 520 and the limiting hole 521 is added, the steel sleeve 1 and the upper steel pipe 2 can be further clamped and fixed, in the steel sleeve for the exhaust pipe of the fastening type low-temperature refrigeration equipment, the anti-skid component 8 is also added, the arrangement of the anti-skid component 8 can effectively clamp and fix the steel sleeve 1 and the lower steel pipe 3, the structure of the invention is reasonable, the steel sleeve 1, the upper steel pipe 2 and the lower steel pipe 3 can be firmly fixed through multi-step fixation, so that the problem of infirm fixation in the conventional single-screw fixation is solved.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. A steel sleeve for a fastening type low-temperature refrigeration equipment exhaust pipe comprises a steel sleeve (1), an upper steel pipe (2), a lower steel pipe (3) and a sealing ring (4), wherein the steel sleeve (1) is movably sleeved outside the upper steel pipe (2) and the lower steel pipe (3), the sealing ring (4) is fixedly sleeved outside the lower steel pipe (3), and the sealing ring (4) is movably arranged outside the upper steel pipe (2), the steel sleeve is characterized in that a fixing component (5) is arranged in the steel sleeve (1), the fixing component (5) comprises a fixing screw (51) and a first threaded hole (52), the first threaded hole (52) is formed in the steel sleeve (1), the fixing screw (51) is arranged in the first threaded hole (52) in a threaded manner, the fixing screw (51) is in threaded connection with a second threaded hole (53) formed in the sealing ring (4), and the tip of the fixing screw (51) extends to a threaded groove (54) formed in the upper steel pipe (2), a fixing screw (51) and a thread groove (54) are arranged in a threaded manner, a thread pipe (55) is sleeved on the fixing screw (51) in a threaded manner, a first annular sliding groove (56) is formed in the thread pipe (55), a first sliding ball (57) is arranged in the first annular sliding groove (56) in a sliding manner, a first support rod (58) is fixedly arranged on the side wall of the first sliding ball (57), the first support rod (58) is fixedly arranged on the inner side plate of the steel sleeve (1), a first bevel gear (59) is fixedly sleeved outside the thread pipe (55), a second bevel gear (510) is meshed at the upper end of the first bevel gear (59), a second annular sliding groove is formed in the side wall of the second bevel gear (510), a second sliding ball (511) is arranged in the second annular sliding groove in a sliding manner, a second support rod (512) is fixedly arranged on the side wall of the second sliding ball (511), and the other end of second bracing piece (512) is fixed to be set up on the interior plate of steel bushing (1), third screw hole (513) have been seted up at the middle part of second bevel gear (510), and third screw hole (513) internal thread is provided with threaded rod (515), the one end of threaded rod (515) is connected with elasticity telescopic link (514), and the other end of elasticity telescopic link (514) is fixed to be set up on the interior plate of steel bushing (1), the other end of threaded rod (515) extends to in joint groove (516), and joint groove (516) are seted up on joint piece (517), joint piece (517) is fixed to be set up on the outer tube of last steel pipe (2).
2. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 1, wherein: the number of the first sliding balls (57) is at least three, and the first sliding balls (57) are annularly arranged at equal intervals.
3. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 1, wherein: three sets of fixing screws (51) are arranged, and the three sets of fixing screws (51) are distributed annularly at equal intervals.
4. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 1, wherein: the steel sleeve is characterized in that a positioning sliding groove (6) is formed in the inner side plate of the steel sleeve (1), a positioning sliding block (7) is arranged on the outer pipe of the upper steel pipe (2), and the positioning sliding block (7) is arranged in the positioning sliding groove (6) in a sliding mode.
5. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 1, wherein: be provided with gag lever post (518) in joint groove (516), and the lower extreme of gag lever post (518) extends to outside joint groove (516), the winding is connected with spacing spring (519) on gag lever post (518), and the both ends of spacing spring (519) are fixed respectively to be set up on the lateral wall of gag lever post (518) and on the lower terminal surface of joint piece (517), the lower extreme of gag lever post (518) extends to in spacing hole (521), and sets up on stopper (520) spacing hole (521), stopper (520) are fixed to be set up on the outer panel of last steel pipe (2).
6. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 4, wherein: the number of the positioning sliding blocks (7) is provided with three groups, and the three groups of the positioning sliding blocks (7) are distributed in an equidistant annular shape.
7. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 5, wherein: one end of the limiting rod (518) positioned in the clamping groove (516) is of a round head structure.
8. The steel bushing for the exhaust pipe of the fastened cryogenic refrigerator according to any one of claims 1 to 7, wherein: and an anti-skid component (8) is arranged on the inner side plate of the steel sleeve (1).
9. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 8, wherein: anti-skidding subassembly (8) are including non slipping spur (81), skid bar (82) and anti-skidding hole (83), non slipping spur (81) are fixed to be set up on the interior plate of steel bushing (1), non slipping spur (82) are fixed to be set up under on the outer tube of steel pipe (3), set up on non slipping spur (81) in anti-skidding hole (83), skid bar (82) slide to set up in anti-skidding hole (83).
10. The steel bushing for the exhaust pipe of the fastening-type cryogenic refrigeration equipment according to claim 9, wherein: the lower end of the anti-skid rod (82) is of a round head structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540138.3A CN110260066B (en) | 2019-06-21 | 2019-06-21 | Fastening type steel bushing for exhaust pipe of low-temperature refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540138.3A CN110260066B (en) | 2019-06-21 | 2019-06-21 | Fastening type steel bushing for exhaust pipe of low-temperature refrigeration equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110260066A CN110260066A (en) | 2019-09-20 |
| CN110260066B true CN110260066B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910540138.3A Active CN110260066B (en) | 2019-06-21 | 2019-06-21 | Fastening type steel bushing for exhaust pipe of low-temperature refrigeration equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962819B (en) * | 2022-06-21 | 2023-05-26 | 维格斯(上海)流体技术有限公司 | Stainless steel pipe fitting |
| CN115503304B (en) * | 2022-08-26 | 2023-09-19 | 合肥河钢新材料科技有限公司 | Color plate for preparing air conditioner panel and production process |
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| JP2006105269A (en) * | 2004-10-05 | 2006-04-20 | Benex Corp | Pipe joint |
| JP2006266479A (en) * | 2005-03-25 | 2006-10-05 | Ito Tekko Kk | Pipe joint device for pressure feed drainage |
| CN207454979U (en) * | 2017-09-20 | 2018-06-05 | 嵊州市新高轮制冷设备有限公司 | A kind of refrigeration equipment is vented effective steel bushing |
| CN108758124A (en) * | 2018-07-12 | 2018-11-06 | 湖州亨达铝业有限公司 | Connector of steel tube |
| CN109253333A (en) * | 2018-11-20 | 2019-01-22 | 佛山科学技术学院 | A kind of stainless steel tube connection component |
| CN208504806U (en) * | 2018-06-20 | 2019-02-15 | 嵊州市新起点焊接科技有限公司 | A kind of exhaust pipe assembly for liquid storage device |
-
2019
- 2019-06-21 CN CN201910540138.3A patent/CN110260066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105269A (en) * | 2004-10-05 | 2006-04-20 | Benex Corp | Pipe joint |
| JP2006266479A (en) * | 2005-03-25 | 2006-10-05 | Ito Tekko Kk | Pipe joint device for pressure feed drainage |
| CN207454979U (en) * | 2017-09-20 | 2018-06-05 | 嵊州市新高轮制冷设备有限公司 | A kind of refrigeration equipment is vented effective steel bushing |
| CN208504806U (en) * | 2018-06-20 | 2019-02-15 | 嵊州市新起点焊接科技有限公司 | A kind of exhaust pipe assembly for liquid storage device |
| CN108758124A (en) * | 2018-07-12 | 2018-11-06 | 湖州亨达铝业有限公司 | Connector of steel tube |
| CN109253333A (en) * | 2018-11-20 | 2019-01-22 | 佛山科学技术学院 | A kind of stainless steel tube connection component |
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| CN110260066A (en) | 2019-09-20 |
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