CN219673614U

CN219673614U - Quick detachable low-temperature rotary joint

Info

Publication number: CN219673614U
Application number: CN202320108346.8U
Authority: CN
Inventors: 李正杰
Original assignee: Lianyungang Jiqiang Machinery Manufacturing Co ltd
Current assignee: Lianyungang Jiqiang Machinery Manufacturing Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-09-12
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a quick detachable low-temperature rotary joint, which belongs to the technical field of low-temperature rotary joints and aims at the problems that the installation of the rotary joint is not convenient enough and the sealing installation effect of the rotary joint is not good enough; according to the utility model, the handle is rotated by manpower, so that the effect of quick alignment is realized, the effect of improving the installation convenience of the adapter is achieved, the flange is fastened by manually rotating the nut, the effect of sealing the adapter is realized, and the effect of improving the tightness of the adapter is achieved.

Description

Quick detachable low-temperature rotary joint

Technical Field

The utility model belongs to the technical field of low-temperature rotary joints, and particularly relates to a quick-disassembly type low-temperature rotary joint.

Background

The low-temperature rotary joint is a key component on the LNG loading sledge and is also a place which is easy to leak in an LNG pipeline system, at present, the design temperature and the design pressure of the low-temperature rotary joint are all strictly required, metal parts such as a shell, a rotating shaft and the like are made of special materials, a sealing ring is a sealing plug made of polytetrafluoroethylene or other high-performance materials and internally provided with special springs, the rotating part of the rotary joint is in a structural form of rollaway balls, and a nitrogen circulation cavity is arranged in the rotary joint.

The publication number of the comparison patent document is: the utility model relates to a quick detachable low-temperature rotary joint of CN204986127U, which consists of a rotary shaft, a rotary shell, a fixed end flange, a rotary end flange, a steel ball, a main sealing ring, a secondary sealing ring, a nitrogen sealing ring, a steel ball connecting block, a nitrogen sealing ring baffle, a metal soft seal and a nitrogen inlet guide pipe, and the quick detachable low-temperature rotary joint has the advantages that the difficulty of replacing the sealing ring is reduced, the field speed of the sealing ring is faster, the use quantity of the sealing ring is reduced, the leakage point is reduced, the cost is reduced, and the time and labor are saved, and under the actual use condition, the following problems still exist in the prior art: although this patent can carry out daily installation operation, in the in-service use, only rely on the nut to carry out the installation of flange, need the manual work to carry out the operation of registering for the installation of adapter is convenient inadequately, and only relies on the rubber pad to carry out sealing operation to the adapter, makes the sealed installation effect of adapter not enough.

Therefore, a quick detachable low-temperature rotary joint is needed, and the problems that the installation of the rotary joint is not convenient enough and the sealing installation effect of the rotary joint is not good enough in the prior art are solved.

Disclosure of Invention

The present utility model is directed to a quick detachable low-temperature rotary joint, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: quick dismantlement formula low temperature rotary joint, including the adapter body, adapter body middle part is fixed with the connector, both ends all are fixed with the flange about the connector, the spout has been seted up at the flange middle part, spout inner wall sliding connection has the sliding ring, a plurality of stable groove has been seted up at the sliding ring middle part, every stable inslot wall all sliding connection has the slide, every the slide upper end all is fixed with the spring, every the slide lower extreme all is fixed with the dead lever, two flange one side is all set up flutedly, every equal sliding connection of recess inner wall has the spacing, every equal threaded connection in spacing middle part has the threaded rod, every threaded rod one end all is fixed with the handle, every the threaded rod other end all is fixed with the carousel.

In the scheme, two rotating grooves are formed in one side of the flange, the outer surface of each rotating disc is rotationally connected to the inner wall of each rotating groove, and the vertical section of each rotating groove is circular.

It is further worth to say that each threaded rod penetrates through one side of the groove, and each groove cross section is U-shaped.

It should be further noted that, every slide surface all sliding connection is at stable groove inner wall, every spring one end is fixed at stable groove one side inner wall, every spring other end is fixed in slide one side, every slide cross section is circular setting.

As a preferable implementation mode, each fixing rod penetrates through the inner wall of the stabilizing groove, and the bottom of each fixing rod is fixed in the middle of the sliding groove.

As a preferable implementation mode, a plurality of through holes are formed in the side edges of the two flanges, and each through hole penetrates through the middle of each flange.

Compared with the prior art, the quick detachable low-temperature rotary joint provided by the utility model at least comprises the following beneficial effects:

(1) Rotate the handle through the manpower for handle, threaded rod, locating rack, carousel, change groove, recess mutually support the operation, realize quick effect of aligning, avoid needing the staff to align the operation one by one, and then reach the effect that improves the adapter installation convenience.

(2) The nut is rotated by manpower to fasten the flange, so that the sliding groove, the sliding ring, the fixing rod, the sliding disc, the spring and the stabilizing groove are mutually matched to realize the effect of sealing the adapter, and the tightness of the adapter is better along with the tightening of the nut, so that the effect of improving the tightness of the adapter is achieved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of a flange according to the present utility model;

FIG. 3 is an enlarged schematic view of the area A in FIG. 2;

fig. 4 is a schematic structural view of a limiting frame according to the present utility model.

In the figure: 1. an adapter; 2. a connecting body; 3. a flange; 4. a chute; 5. a slip ring; 6. a stabilizing groove; 7. a slide plate; 8. a spring; 9. a fixed rod; 10. a groove; 11. a limiting frame; 12. a threaded rod; 13. a handle; 14. a turntable; 15. a rotary groove; 16. and a through hole.

Description of the embodiments

The utility model is further described below with reference to examples.

Referring to fig. 1-4, the utility model provides a quick detachable low-temperature rotary joint, which comprises an adapter body 1, wherein the adapter body 1 is a main body of the adapter, a connecting body 2 is fixedly arranged in the middle of the adapter body 1, the connecting body 2 plays a role of connecting the adapter body 1, flanges 3 are fixedly arranged at the upper end and the lower end of the connecting body 2, the flanges 3 can carry out nut installation operation, a sliding groove 4 is formed in the middle of the flange 3, the sliding groove 4 provides place support for sliding of a sliding ring 5, the inner wall of the sliding groove 4 is slidably connected with a sliding ring 5, the sliding ring 5 carries out sealing performance improvement function, a plurality of stabilizing grooves 6 are formed in the middle of the sliding ring 5, the stabilizing grooves 6 provide sliding places for sliding of sliding discs 7, the inner wall of each stabilizing groove 6 is slidably connected with a sliding disc 7, the sliding discs 7 carry out the effect of extruding springs 8, the effect of the connecting heads improve the stability of the adapter, the upper end of each sliding disc 7 is fixedly provided with a spring 8, the lower end of each sliding disc 7 is fixedly provided with a fixing rod 9, the fixing rod 9 carries out the effect of connecting the sliding ring 5, one side of the two flanges 3 is provided with a groove 10, the groove 10 is formed in one side of the sliding ring 5, the sliding groove 10 is slidably provides a sliding groove 11 for the sliding groove 11, the sliding frame 11 is provided with a limiting frame 11, the sliding frame 11 is provided with a limiting groove 12 is matched with the threaded rod 12, the other end of the threaded rod is fixedly and the threaded rod is fixedly arranged at the other end of the middle of the limiting frame 12, and the limiting frame 12 is matched with the threaded rod is fixedly and the threaded rod is provided with the threaded rod 12, each of the threaded rod is in each of the position of the limiting frame 11 is provided with the threaded frame 11, and the limiting position is matched with the threaded rod is 12.

Further, as shown in fig. 1, fig. 2 and fig. 4, it is worth specifically explaining that the rotating grooves 15 are formed in one side of the two flanges 3, the outer surface of each rotating disc 14 is rotationally connected to the inner wall of each rotating groove 15, the vertical section of each rotating groove 15 is circular, each threaded rod 12 penetrates through one side of the corresponding groove 10, the cross section of each groove 10 is U-shaped, the U-shaped of the corresponding groove 10 is convenient for the sliding operation of the corresponding limiting frame 11.

Further, as shown in fig. 1, fig. 2 and fig. 3, it is worth specifically explaining that the outer surface of each slide plate 7 is slidably connected to the inner wall of the stabilizing slot 6, one end of each spring 8 is fixed to the inner wall of one side of the stabilizing slot 6, the other end of each spring 8 is fixed to one side of the slide plate 7, the cross section of each slide plate 7 is circular, each fixing rod 9 penetrates through the inner wall of the stabilizing slot 6, the bottom of each fixing rod 9 is fixed to the middle of the sliding slot 4, the slide plate 7 is matched with the spring 8, the spring 8 is compressed, and elastic force support is generated, so that the sliding ring 5 is tightly connected with the installation body.

The scheme comprises the following working processes: when using quick dismantlement formula low temperature rotary joint, at first rotate handle 13 through the manpower, make rotate with handle 13 middle part fixed connection's threaded rod 12, make with threaded rod 12 surface threaded connection's spacing 11 carry out sliding operation under recess 10's spacing, thereby make spacing 11 slide into the preformed hole inner wall of installation body, accomplish spacing 11 effect about spacing, can realize quick aligned effect, prevent to need the staff to carry out the operation of lining up, and then reach the effect that improves the adapter and use convenience, later carry out the fastening operation of flange 3 through the manpower rotation nut, make sliding ring 5 surface carry out sliding operation at flange 3 middle part spout 4 inner wall offered, thereby make with spout 4 middle part fixed connection's dead lever 9 carry out sliding operation, and then make with fixed lever 9 one end fixed connection's sliding tray 7 carry out sliding operation under the stability of stabilizing slot 6, thereby make sliding tray 7 squeeze spring 8, make spring 8 compressed produce elasticity support, make flange 3 installation's nut tight, the elasticity that spring 8 produced is compressed more greatly, make the adapter better the installation effect that improves the adapter and then reaches the sealing effect.

The working process can be as follows: the handle 13 is rotated through manpower, the threaded rod 12 fixedly connected with the middle part of the handle 13 drives the limiting frame 11 to carry out sliding operation, the effect of quick alignment is achieved, the situation that workers need to align one by one is avoided, the effect of improving the convenience of adapter installation is further achieved, then the nuts are rotated through manpower to carry out the fastening operation of the flange 3, the sliding disc 7 fixedly connected with the upper end of the fixing rod 9 carries out sliding operation on the inner wall of the sliding groove 4, the effect of sealing the adapter is achieved, the tightness of the adapter is better along with the fact that the nuts are installed more tightly, and the effect of improving the tightness of the adapter is further achieved.

Further, as shown in fig. 1 and fig. 4, it is worth specifically explaining that a plurality of through holes 16 are all formed in the side edges of the two flanges 3, each through hole 16 penetrates through the middle part of each flange 3, the through holes 16 are used for fastening and installing nuts, the nuts are screwed down through manpower, the tightness of the adapter is better, the rubber pad in the adapter body 1 is matched, the sealing effect of the adapter is better, and meanwhile the effect of conveniently disassembling the adapter is also achieved.

To sum up: the effect of nut fastening installation is carried out through the through-hole 16 that sets up, screws up the nut through the manpower for the leakproofness of adapter is better, and the rubber pad in the mating connection body 1 of again, makes the sealed effect of adapter better, also plays the effect of convenient dismantlement adapter simultaneously.

Claims

1. Quick dismantlement formula low temperature rotary joint, including adapter body (1), its characterized in that, adapter body (1) middle part is fixed with connector (2), both ends all are fixed with flange (3) about connector (2), spout (4) are seted up at flange (3) middle part, spout (4) inner wall sliding connection has sliding ring (5), a plurality of stable groove (6) have been seted up at sliding ring (5) middle part, every stable groove (6) inner wall all sliding connection has slide (7), every slide (7) upper end all is fixed with spring (8), every slide (7) lower extreme all is fixed with dead lever (9), two all set up flutedly (10) in flange (3) one side, every equal sliding connection of recess (10) inner wall has spacing frame (11), every equal threaded connection in the middle part of spacing frame (11) has threaded rod (12), every threaded rod (12) one end all is fixed with handle (13), every the other end all is fixed with carousel (14).

2. The quick disconnect low temperature swivel of claim 1, wherein: two revolving groove (15) have been seted up to flange (3) one side, every carousel (14) surface rotates to connect at revolving groove (15) inner wall, every revolving groove (15) perpendicular tangent plane all is circular setting.

3. The quick disconnect low temperature swivel of claim 1, wherein: each threaded rod (12) penetrates through one side of each groove (10), and the cross section of each groove (10) is U-shaped.

4. The quick disconnect low temperature swivel of claim 1, wherein: every slide (7) surface all sliding connection is in stable groove (6) inner wall, every spring (8) one end is fixed in stable groove (6) one side inner wall, every spring (8) other end is fixed in slide (7) one side, every slide (7) cross section is circular setting.

5. The quick disconnect low temperature swivel of claim 1, wherein: each fixing rod (9) penetrates through the inner wall of the stabilizing groove (6), and the bottom of each fixing rod (9) is fixed in the middle of the sliding groove (4).

6. The quick disconnect low temperature swivel of claim 1, wherein: a plurality of through holes (16) are formed in the side edges of the two flanges (3), and each through hole (16) penetrates through the middle of each flange (3).