CN218599052U

CN218599052U - Stainless steel joint

Info

Publication number: CN218599052U
Application number: CN202223005184.XU
Authority: CN
Inventors: 项晓东
Original assignee: Shanghai Kester Steel Pipe Group Co ltd
Current assignee: Shanghai Kester Steel Pipe Group Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-10
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a stainless steel cutting ferrule connects, including mounting nut, grafting bolt, spliced eye and grafting pipe, the detection mouth has been seted up in the left side at mounting nut top, leaks the left side of concentrated room inner wall both sides and has all seted up nut seal assembly body, and the inside that detects the mouth is provided with sealing mechanism, and the left both sides of second cutting ferrule are all inlayed and are had coupling assembling. The utility model discloses a set up sealing mechanism, can make sealing mechanism seal up the detection mouth, can avoid leaking the water in the concentration chamber, gas etc. appear leaking in the detection mouth, coupling assembling can be convenient for with the bolt of pegging graft simultaneously, second cutting ferrule and first cutting ferrule are connected, can be convenient for take out first cutting ferrule and second cutting ferrule when taking out the bolt of pegging graft, it leads to sealed effect to reduce to have solved this kind of stainless steel card and cup jointed the head after structural improvement, can not be fine seal up, lead to leaking the problem that takes place to leak gas or water etc. in the concentration chamber.

Description

Stainless steel clamping sleeve joint

Technical Field

The utility model relates to a stainless steel joint technical field specifically is a stainless steel joint.

Background

In the field of gas chromatography at present, a stainless steel clamping sleeve joint basically replaces a welding sealing element, and is mainly low in price and labor cost, but stainless steel clamping sleeve joints on the market at present are various in types and have great quality difference, most instrument manufacturers use stainless steel double-clamping sleeve joints at present, so that the stainless steel double-clamping sleeve joints can play a good sealing role in high-temperature and high-pressure environments, and the stainless steel double-clamping sleeve joints can prevent external air from permeating and internal air from leaking.

For example, application No.: CN202022909590.3, the utility model discloses a stainless steel joint, including mounting nut, the peg graft bolt, the last screw thread chamber that has of mounting nut, peg graft bolt is last to have with screw thread chamber matched with screw thread section, the middle part of screw thread section seted up with peg graft pipe matched with spliced eye, the through-hole that is linked together with the spliced eye still is seted up on the peg graft bolt, set up on mounting nut's the tip and supply the spliced eye to pass and be linked together with the screw thread chamber the perforation that supplies the spliced eye to pass, be provided with the cutting ferrule in the screw thread chamber, the cutting ferrule cover is located on the spliced eye, the tip of cutting ferrule has first inclined plane, the tip of screw thread section has the second inclined plane with first inclined plane matched with, mounting nut, form the concentrated room of leakage between the cutting ferrule, set up the detection mouth that is linked together with the concentrated room of leakage on the mounting nut, be provided with sealed end cap in the detection mouth.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment is when using, though can solve present stainless steel joint sleeve and need can realize pipeline and gaseous disconnection when needs leak hunting, the extremely inconvenient problem of operation, but this kind of stainless steel joint sleeve leads to sealed effect to reduce after structural improvement, can not be fine seals up, leads to leaking the indoor gas of concentration or the emergence of water etc. and leaks.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model aims to provide a stainless steel joint has possessed the sealed advantage of being convenient for, has solved this kind of stainless steel joint and has leaded to sealed effect to reduce after structural improvement, and can not be fine seals, leads to leaking the problem that takes place to leak such as gas or water in the concentration chamber.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a stainless steel joint, includes mounting nut, peg graft bolt, spliced eye and peg graft pipe, peg graft bolt's the surface and mounting nut's inner wall threaded connection, the spliced eye is seted up in peg graft bolt's left side, the concentrated room of leakage has been seted up on the mounting nut right side, the right side of peg graft pipe runs through the inside that leaks the concentrated room and extend to the spliced eye, the left side cover on peg graft pipe surface is equipped with first cutting ferrule, the left side cover on peg graft pipe surface is equipped with the second cutting ferrule that is located first cutting ferrule right side, the detection mouth has been seted up in the left side at mounting nut top, the nut seal assembly body has all been seted up in the left side of leaking concentrated indoor wall both sides, the inside that detects the mouth is provided with sealing mechanism, coupling assembling has all been inlayed to the left both sides of second cutting ferrule.

As the utility model discloses it is preferred, sealing mechanism is including sealed end cap, connecting rod and seal cover, the top of connecting rod and the bottom fixed connection of sealed end cap, the seal cover is established at the top on connecting rod surface, the inner wall of seal cover is connected with the fixed surface of connecting rod, the bottom of connecting rod runs through to the inside of leaking the concentration room.

As the utility model discloses it is preferred, coupling assembling includes first magnet, the left side of first magnet contacts with the right side of first cutting ferrule, the left both sides of spliced eye inner wall are all inlayed and are had second magnet, the left side of second magnet contacts with the surface of second cutting ferrule, first magnet adsorbs with first cutting ferrule to be connected, second magnet adsorbs with the second cutting ferrule to be connected.

As the utility model discloses it is preferred, the bottom fixedly connected with adapter sleeve on connecting rod surface, the surface of adapter sleeve is laminated with the inner wall that detects the mouth mutually.

As the utility model discloses preferred, the inner wall fixedly connected with connection pad of spliced eye, the connection pad is made for elastic material, the inner wall of connection pad contacts with the surface of grafting pipe.

As the utility model discloses it is preferred, the left side fixedly connected with baffle of first cutting ferrule, the baffle is the annular setting, the left side fixedly connected with lug of baffle, and the lug runs through to the inside of nut seal assembly body, baffle and lug are elastic material and make.

As the utility model discloses preferred, the left side fixedly connected with connecting plate of grafting bolt, the left side of connecting plate is run through to the inside of leaking the concentration chamber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up sealing mechanism, can make sealing mechanism seal up the detection mouth, can avoid leaking the water in the concentration chamber, gas etc. appear leaking in the detection mouth, coupling assembling can be convenient for with the bolt of pegging graft simultaneously, second cutting ferrule and first cutting ferrule are connected, can be convenient for take out first cutting ferrule and second cutting ferrule when taking out the bolt of pegging graft, it leads to sealed effect to reduce to have solved this kind of stainless steel card and cup jointed the head after structural improvement, can not be fine seal up, lead to leaking the problem that takes place to leak gas or water etc. in the concentration chamber, the advantage of being convenient for to seal has been possessed.

2. The utility model discloses a set up sealing mechanism, can make sealed end cap install the connecting rod, the seal cover that can be convenient for will detect the mouth and plug up, can be convenient for seal the detection mouth, can avoid water, gas etc. in the leakage concentration chamber to appear leaking in the detection mouth, through setting up the connection pad, can make the joint pipe and the laminating of spliced eye through the connection pad that elastic material made, can be convenient for carry on spacingly to the joint pipe.

3. The utility model discloses a set up coupling assembling, can make first magnet adsorb first cutting ferrule, can be convenient for drive first cutting ferrule when the second cutting ferrule moves right and remove, second magnet can be convenient for adsorb the second cutting ferrule simultaneously, can be convenient for the peg graft bolt take out first cutting ferrule and second cutting ferrule, through setting up the adapter sleeve, can make the adapter sleeve seal space department between connecting rod and the detection mouth, improve the leakproofness of detection mouth department.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. mounting a nut; 2. inserting a bolt; 3. inserting holes; 4. inserting a pipe; 5. a leakage concentrating chamber; 6. a first ferrule; 7. a second ferrule; 8. a nut seal assembly body; 9. a detection port; 10. a sealing mechanism; 101. sealing the plug; 102. a connecting rod; 103. sealing sleeves; 11. a connection assembly; 111. a first magnet; 112. a second magnet; 12. connecting sleeves; 13. a connecting pad; 14. a baffle plate; 15. a connecting 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the utility model provides a pair of stainless steel card socket joint, including mounting nut 1, peg bolt 2, spliced eye 3 and peg tube 4, peg bolt 2's surface and mounting nut 1's inner wall threaded connection, peg eye 3 sets up in the left side of peg bolt 2, leak concentration room 5 has been seted up on mounting nut 1 right side, peg tube 4's right side runs through the inside that leaks concentration room 5 and extend to peg hole 3, the left side cover on peg tube 4 surface is equipped with first cutting ferrule 6, the left side cover on peg tube 4 surface is equipped with second cutting ferrule 7 that is located first cutting ferrule 6 right side, detection mouth 9 has been seted up in the left side at mounting nut 1 top, nut seal assembly body 8 has all been seted up in the left side of leaking concentration room 5 inner wall both sides, the inside of detection mouth 9 is provided with sealing mechanism 10, the left both sides of second cutting ferrule 7 are all inlayed and are had coupling assembling 11.

Referring to fig. 3, the sealing mechanism 10 includes a sealing plug 101, a connecting rod 102 and a sealing sleeve 103, wherein the top of the connecting rod 102 is fixedly connected to the bottom of the sealing plug 101, the sealing sleeve 103 is sleeved on the top of the surface of the connecting rod 102, the inner wall of the sealing sleeve 103 is fixedly connected to the surface of the connecting rod 102, and the bottom of the connecting rod 102 penetrates into the leakage concentrating chamber 5.

As the utility model discloses a technical optimization scheme through setting up sealing mechanism 10, can make sealed end cap 101 install connecting rod 102, can be convenient for seal cover 103 will detect mouthful 9 stifled, can be convenient for seal mouth 9, can avoid water, gas etc. in the concentrated room 5 of leakage to appear leaking in detection mouthful 9.

Referring to fig. 2, the connection assembly 11 includes a first magnet 111, a left side of the first magnet 111 contacts with a right side of the first ferrule 6, second magnets 112 are embedded on both sides of a left side of an inner wall of the insertion hole 3, a left side of the second magnets 112 contacts with a surface of the second ferrule 7, the first magnet 111 is connected to the first ferrule 6 in an adsorbing manner, and the second magnets 112 are connected to the second ferrule 7 in an adsorbing manner.

As the utility model discloses a technical optimization scheme through setting up coupling assembling 11, can make first magnet 111 adsorb first cutting ferrule 6, can be convenient for move at second cutting ferrule 7 and drive first cutting ferrule 6 when removing right and remove, and second magnet 112 can be convenient for adsorb second cutting ferrule 7 simultaneously, can be convenient for peg graft bolt 2 takes out first cutting ferrule 6 and second cutting ferrule 7.

Referring to fig. 3, a connecting sleeve 12 is fixedly connected to the bottom of the surface of the connecting rod 102, and the surface of the connecting sleeve 12 is attached to the inner wall of the detection port 9.

As a technical optimization scheme of the utility model, through setting up adapter sleeve 12, can make adapter sleeve 12 seal connecting rod 102 and the space department that detects between the mouth 9, improve the leakproofness that detects mouth 9 department.

Referring to fig. 2, a connection pad 13 is fixedly connected to an inner wall of the insertion hole 3, the connection pad 13 is made of an elastic material, and the inner wall of the connection pad 13 is in contact with a surface of the insertion tube 4.

As a technical optimization scheme of the utility model, through setting up connection pad 13, can make the joint socket pipe 4 and the laminating of spliced eye 3 through the connection pad 13 that elastic material made, can be convenient for carry on spacingly to joint socket pipe 4.

Referring to fig. 2, a baffle 14 is fixedly connected to the left side of the first ferrule 6, the baffle 14 is arranged in a ring shape, a projection is fixedly connected to the left side of the baffle 14, the projection penetrates through the nut sealing assembly body 8, and both the baffle 14 and the projection are made of elastic materials.

As a technical optimization scheme of the utility model, through setting up baffle 14, baffle 14 and the lug that can make elastic material make seal the space department of first cutting ferrule 6 and nut seal assembly body 8, can improve sealed effect.

Referring to fig. 2, a connection plate 15 is fixedly connected to the left side of the plug bolt 2, and the left side of the connection plate 15 penetrates into the inside of the leakage concentrating compartment 5.

As a technical optimization scheme of the utility model, through setting up connecting plate 15, can make connecting plate 15 seal the concentrated room 5 of leaking to plug bolt 2, avoid leaking water, gas etc. in the concentrated room 5 and leak from plug bolt 2 and the junction of leaking the concentrated room 5.

The utility model discloses a theory of operation and use flow: when in use, the inserting pipe 4 penetrates through the leakage concentration chamber 5 and the inserting hole 3 to the right side of the inserting bolt 2, then the inserting bolt 2 is moved towards the left side, the inserting bolt 2 is moved to the right side of the leakage concentration chamber 5, then the inserting bolt 2 is rotated to enable the inserting bolt 2 to enter the inside of the inserting bolt 2, the inserting bolt 2 pushes the second cutting sleeve 7 and the first cutting sleeve 6 to move into the leakage concentration chamber 5, and the connecting plate 15 is inserted into the leakage concentration chamber 5, so that water, gas and the like in the leakage concentration chamber 5 are prevented from leaking from the connection part of the inserting bolt 2 and the leakage concentration chamber 5, meanwhile, the connecting plate 15 can seal the leakage concentration chamber 5 by the inserting bolt 2, so that the water, gas and the like in the leakage concentration chamber 5 are prevented from leaking from the connection part of the inserting bolt 2 and the leakage concentration chamber 5, whether leakage appears in the concentrated room 5 of needs detection leakage, extract sealed end cap 101 from detecting mouthful 9, make sealed end cap 101 drive connecting rod 102 and seal cover 103 take out from detecting mouthful 9, use the syringe to absorb the gaseous substance in the concentrated room 5 of leakage to detect afterwards, extract back and will seal end cap 101 and connecting rod 102 and reinsert in detecting mouthful 9, when appearing leaking and need taking out plug bolt 2 and dismantle, rotatory plug bolt 2 of direction, make plug bolt 2 drive second cutting ferrule 7 through second magnet 112 and remove, can drive first cutting ferrule 6 through first magnet 111 when second cutting ferrule 7 removes and move, can be convenient for take out first cutting ferrule 6 and second cutting ferrule 7, can improve the leakproofness when using.

In summary, the following steps: this kind of stainless steel card cup joints head, through setting up sealing mechanism 10, can make sealing mechanism 10 seal detection mouth 9, can avoid leaking the water in concentrated room 5, gas etc. leak in detection mouth 9, coupling assembling 11 can be convenient for with plug bolt 2 simultaneously, second cutting ferrule 7 and first cutting ferrule 6 are connected, can be convenient for take first cutting ferrule 6 and second cutting ferrule 7 out when taking out plug bolt 2, it leads to sealed effect to reduce to have solved this kind of stainless steel card cup joints head after structural improvement, can not be fine seal, lead to leaking the problem of taking place for gas or water etc. in the concentrated room of leaking.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stainless steel joint of bayonet joint, includes mounting nut (1), plug bolt (2), spliced eye (3) and bayonet pipe (4), its characterized in that: the surface of the plug bolt (2) is in threaded connection with the inner wall of the mounting nut (1), the plug hole (3) is formed in the left side of the plug bolt (2), the right side of the mounting nut (1) is provided with a leakage concentration chamber (5), the right side of the plug pipe (4) penetrates through the leakage concentration chamber (5) and extends into the plug hole (3), the left side of the surface of the plug pipe (4) is sleeved with a first clamping sleeve (6), the left side of the surface of the plug pipe (4) is sleeved with a second clamping sleeve (7) located on the right side of the first clamping sleeve (6), the left side of the top of the mounting nut (1) is provided with a detection port (9), the left sides of the two sides of the inner wall of the leakage concentration chamber (5) are provided with nut sealing component bodies (8), the inside of the detection port (9) is provided with a sealing mechanism (10), and the two sides of the left side of the second clamping sleeve (7) are inlaid with a connecting component (11).

2. The stainless steel ferrule fitting of claim 1, wherein: the sealing mechanism (10) comprises a sealing plug (101), a connecting rod (102) and a sealing sleeve (103), the top of the connecting rod (102) is fixedly connected with the bottom of the sealing plug (101), the sealing sleeve (103) is sleeved on the top of the surface of the connecting rod (102), the inner wall of the sealing sleeve (103) is fixedly connected with the surface of the connecting rod (102), and the bottom of the connecting rod (102) penetrates through the leakage concentration chamber (5).

3. The stainless steel ferrule fitting of claim 1, wherein: coupling assembling (11) include first magnet (111), the left side of first magnet (111) contacts with the right side of first cutting ferrule (6), second magnet (112) have all been inlayed to the left both sides of spliced eye (3) inner wall, the left side of second magnet (112) contacts with the surface of second cutting ferrule (7), first magnet (111) are connected with first cutting ferrule (6) absorption, second magnet (112) are connected with second cutting ferrule (7) absorption.

4. The stainless steel bayonet joint of claim 2, wherein: the bottom fixedly connected with adapter sleeve (12) on connecting rod (102) surface, the surface of adapter sleeve (12) is laminated mutually with the inner wall that detects mouth (9).

5. The stainless steel ferrule fitting of claim 1, wherein: the inner wall of the plug-in hole (3) is fixedly connected with a connecting pad (13), the connecting pad (13) is made of elastic materials, and the inner wall of the connecting pad (13) is in contact with the surface of the plug-in pipe (4).

6. The stainless steel bayonet joint of claim 1, wherein: the left side fixedly connected with baffle (14) of first cutting ferrule (6), baffle (14) are the annular setting, the left side fixedly connected with lug of baffle (14), and the lug runs through to the inside of nut seal assembly body (8), baffle (14) and lug are elastic material and make.

7. The stainless steel ferrule fitting of claim 1, wherein: the left side fixedly connected with connecting plate (15) of plug bolt (2), the left side of connecting plate (15) is run through to the inside of leaking concentration room (5).