CN208474753U - A kind of threeway steam swivel joint - Google Patents
A kind of threeway steam swivel joint Download PDFInfo
- Publication number
- CN208474753U CN208474753U CN201821091568.9U CN201821091568U CN208474753U CN 208474753 U CN208474753 U CN 208474753U CN 201821091568 U CN201821091568 U CN 201821091568U CN 208474753 U CN208474753 U CN 208474753U
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- ring
- shell
- hollow shaft
- swivel joint
- spring
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Abstract
The utility model provides a kind of threeway steam swivel joint, including hollow shaft, shell and buffer structure, wherein, it is interior on the left of insertion shell on the right side of hollow shaft to be connect with housing into rotation, buffer structure includes butterfly ring, spring, parallel gasket, O-ring and elastic cylindrical pin, spring one end abuts right side inside housings, it is abutted on the right side of the spring other end and parallel gasket, it is abutted on the left of parallel gasket with O-ring right side, it is abutted on the left of O-ring on the right side of butterfly ring, two elastic cylindrical pins pass through the two sides grafting of butterfly ring and enter in shell, elastic cylinder pin axis is parallel with spring, it is impacted with cuisine steam, the advantages of promoting rotary joint service life.
Description
Technical field
The utility model relates to rotary joint fields, specifically, being related to a kind of threeway steam swivel joint.
Background technique
Rotary joint is the connection sealing device that fluid media (medium) is input in slewing from static duct, all use steam,
The gases such as water, oil, coal gas, air, salt water and ammonia and liquid, cylindrical shape, cydariform, truncated cone-shaped for heating, drying and cool down,
The equipment that spherical rotating machinery and reciprocating motion or pendulum (turning) move any one angle, and the air-liquid for clamping and braking
Moving related equipment can adapted rotary joint.
Wherein steam is in the equipment of medium operation, it sometimes appear that steam pressure occurs changing or steam tolerance occurs
Variation, causes vapor pressure difference in transport pipeline the phenomenon that air-flow shock occur, and general steam swivel joint does not resist
The function of impact easily makes rotary joint be damaged when there is the phenomenon that air-flow shock.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of rotations of threeway steam
Adapter, to overcome defect in the prior art.
To achieve the goals above, the utility model provides a kind of threeway steam swivel joint, including hollow shaft, shell
And buffer structure, wherein interior on the left of insertion shell on the right side of hollow shaft to connect with housing into rotation, buffer structure includes butterfly ring, bullet
Spring, parallel gasket, O-ring and elastic cylindrical pin, spring one end abut right side inside housings, the spring other end and parallel gasket
Right side abuts, and abuts on the left of parallel gasket with O-ring right side, abuts on the left of O-ring and on the right side of butterfly ring, two elastic cylindrical pins
Enter in shell across the two sides grafting of butterfly ring, elastic cylinder pin axis is parallel with spring.
By using above-mentioned technical proposal, at vapor movement to butterfly ring, the impact of steam makes butterfly ring in radial direction
It swings, impact energy is transmitted at elastic cylindrical pin by butterfly ring at this time, and because of elastic cylindrical pin inner hollow and side wall is provided with
Slot, then impact energy makes elastic cylindrical pin that elastic deformation occur, and elastic cylindrical pin converts elastic potential energy for impact energy, avoids
Impact energy is transmitted in hollow shaft, influences the normal rotation of hollow shaft, while reducing damage of the impact energy to shell, is improved
The service life of rotary joint.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that butterfly ring
Left side, which abuts, end face sealing ring, and grafting enters the right side of hollow shaft on the left of end face sealing ring.
By using above-mentioned technical proposal, end face sealing ring is set and improves leakproofness between butterfly ring and hollow shaft, is avoided
The situation to leak air influences the transport of steam.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that hollow shaft
Two bearings are socketed with outside middle part, bearing outer end face is connected on shell.
By using above-mentioned technical proposal, bearing, which is arranged, can not only play the role of supporting hollow shaft, can also reduce sky
Frictional force between mandrel and shell keeps hollow shaft rotation more smooth.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that two axis
Holding right side and abutting has axis card, and abutting on the left of two bearings has hole card, and axis card inner face is plugged in hollow shaft, and hole card outer end face is inserted
It connects in shell.
By using above-mentioned technical proposal, the displacement of axis card and hole card limitation bearing is set, prevents bearing from moving axially shadow
Ring the rotation of hollow shaft.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that two axis
Abutting between holding has bearing spacer, and bearing spacer outer diameter is less than bearing outside diameter.
By using above-mentioned technical proposal, prevents bearing from relative interference occurs, influence the lubrication to hollow shaft.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that shell position
It is provided with through-hole above bearing spacer, is threaded with pump nozzle on through-hole.
By using above-mentioned technical proposal, the wear intensity of bearing can be reduced, bearing is improved to injection lubricating oil at bearing
Service life.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that shell bottom
Portion is provided with oil outlet.
By using above-mentioned technical proposal, conveniently make original outflow of lubrication oil, cooperation pump nozzle plays more oil change
Effect.
As to a kind of further explanation of threeway steam swivel joint described in the utility model, it is preferable that hollow shaft
Left side is socketed with spindle nose baffle, abuts on the right side of spindle nose baffle with hollow shaft.
By using above-mentioned technical proposal, avoids hollow shaft from directly contacting with the pipeline of connection and generate abrasion, guarantee pipeline
The complete and smoothness of port and hollow shaft end.
The utility model has the following beneficial effects:
1, the utility model utilizes the impact energy of elastic deformation conversion steam by the way that elastic cylindrical pin is arranged on butterfly ring
Amount reduces damage of the steam impringement to rotary joint；
2, the frictional force that hollow shaft is reduced by setting bearing keeps hollow shaft rotation more smooth；
3, hollow shaft and pipeline is avoided to wear by the way that spindle nose baffle is arranged.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model.
Description of symbols:
1, hollow shaft；2, shell；21, direct current mouth；22, port；23, oil outlet；3, buffer gear；31, butterfly ring；32,
Spring；33, parallel gasket；34, O-ring；35, elastic cylindrical pin；36, end face sealing ring；4, bearing；5, axis card；6, Kong Ka；7,
Bearing spacer；8, pump nozzle；9, spindle nose baffle.
Specific embodiment
In order to further appreciate that the structure, feature and other purposes of the utility model, now in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
A kind of threeway steam swivel joint, as shown in Figure 1, including hollow shaft 1, shell 2 and buffer structure 3, wherein hollow
Axis 1 is round tube shape structure, and shell 2 is inserted into 2 left side of shell to be irregular hollow shelly-shaped, on the right side of hollow shaft 1 to be connected with the rotation of shell 2
It connects；2 right end of shell is provided with direct current mouth 21, and 2 right side bottom end of shell is provided with port 22, and direct current mouth 21 and 22 axis of port mutually hang down
Directly, and direct current mouth 21, port 22 are communicated with hollow shaft 1；Direct current mouth 21 and port 22 are set, make rotary joint that can connect axis
It is overlapped or the vertical pipeline of axis, improves the suitability of rotary joint；Buffer structure 3 is erected at 2 right side of shell.
As shown in Figure 1, buffer structure 3 includes butterfly ring 31, spring 32, parallel gasket 33, O-ring 34 and elastic cylinder
Pin 35,32 one end of spring are connected to 1 inner right side of shell, abut on the right side of 32 other end of spring and parallel gasket 33, parallel gasket
33 left side with abutted on the right side of O-ring 34, parallel gasket 33 is made of rubber with O-ring 34；34 left side of O-ring and butterfly ring
31 right sides abut, and 31 upper and lower ends of butterfly ring are fixed with annulus, and two elastic cylindrical pins 35 pass through annulus grafting and enter in shell 2,
Elastic cylindrical pin 35 be it is cylindric, through slot is provided in 35 inner hollow of elastic cylindrical pin and side wall, 35 outer diameter of elastic cylindrical pin is big
In annulus outer diameter, 35 axis of elastic cylindrical pin is parallel with spring 32.
As shown in Figure 1, the impact of steam swings butterfly ring 31 in radial direction at vapor movement to butterfly ring 31, this
When impact energy be transmitted at elastic cylindrical pin 35 by butterfly ring 31, because of 35 inner hollow of elastic cylindrical pin and side wall is provided with
Slot, then impact energy makes elastic cylindrical pin 35 that elastic deformation occur, and impact energy is converted elastic potential energy by elastic cylindrical pin 35,
It avoids impact energy from being transmitted in hollow shaft 1, influences the normal rotation of hollow shaft 1, while reducing impact energy to the damage of shell 2
Wound, improves the service life of rotary joint；Simultaneously when assembling rotary joint, also using 35 outer radius variable of elastic cylindrical pin
Characteristic, can be inserted into elastic cylindrical pin 35 in the butterfly ring 31 of different size, without preparing various connecting pins, save cost.
As shown in Figure 1, abutting on the left of butterfly ring 31 has end face sealing ring 36, end face sealing ring 36 is made of rubber, end face
36 left side grafting of sealing ring enters the right side of hollow shaft 1；By the promotion of spring 32, keep butterfly ring 31 and end face sealing ring 36 close
It abuts, and then abuts end face sealing ring 36 closely with hollow shaft 1, while making hollow shaft 1 using the elasticity of end face sealing ring 36
The gapless between butterfly ring 31 improves leakproofness between butterfly ring 31 and hollow shaft 1, and the situation for avoiding the occurrence of gas leakage influences to steam
The transport of vapour.
As shown in Figure 1,1 middle part of hollow shaft is outer to be socketed with two bearings 4,4 outer end face of bearing is connected on shell 1, two
Abutting on the right side of bearing 4 has axis card 5, and abutting on the left of two bearings 4 has hole card 6, and 5 inner face of axis card is plugged in hollow shaft 1, Kong Ka
6 outer end faces are plugged in shell 2；Abutting between two bearings 4 has bearing spacer 7, and 7 outer diameter of bearing spacer is less than 4 outer diameter of bearing,
Shell 2, which is located above bearing spacer 7, is provided with through-hole, and pump nozzle 8 is threaded on through-hole, and pump nozzle 8 is circular tube shaped, pump nozzle
8 outermost ends are covered with rubber pad (not shown), and 2 bottom of shell is provided with oil outlet 23, conveniently makes original outflow of lubrication oil, match
It closes pump nozzle 8 and plays the role of more oil change.
As shown in Figure 1, setting bearing 4 not only acts as the effect of support hollow shaft 1, make 1 axis of hollow shaft and 2 inner hole of shell
Axis is overlapped, also the frictional force of reduction hollow shaft 1 rotation, and hollow shaft 1 is made to be easier to rotate；Axis card 5 is set and hole card 6 limits bearing
4 displacement prevents the axial movement of bearing 4 from influencing the rotation of hollow shaft 1；It is relatively dry that setting bearing spacer 7 prevents bearing 4 from occurring
It relates to, influences the lubrication to hollow shaft 1；Pump nozzle 8, which is arranged, can be pierced into rubber pad to injection lubrication at bearing 4 by syringe
Oil reduces the wear intensity of bearing 4, improves the service life of bearing 4, and injection mode is simple and fast, is not necessarily to pump nozzle 8
Back-out, while being shut pin hole using the elasticity of rubber pad after injecting, avoids outflow of lubrication oil, it is very convenient.
As shown in Figure 1, being socketed with spindle nose baffle 9 on the left of hollow shaft 1, spindle nose baffle 9 is rubber sheet gasket, and spindle nose baffle 9 is right
Side is abutted with hollow shaft 1；During installation, pipe end is threaded at spindle nose baffle 9, by abutting with spindle nose baffle 9, is avoided and sky
Mandrel 1 directly contacts, and avoids the occurrence of relative displacement when in use and causes to wear, influences the air-tightness of junction；Axis is utilized simultaneously
The elasticity and air-tightness of first speed piece 9 improve leakproofness between pipeline and hollow shaft 1, steam are avoided to leak.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove the provided skill of the utility model
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are practical at this
In novel spirit and principle, when can various modifications may be made, equivalent replacement or improvement.The protection scope of the utility model is with appended power
Subject to sharp claim.
Claims (8)
1. a kind of threeway steam swivel joint, which is characterized in that including hollow shaft (1), shell (2) and buffer structure (3),
In,
Interior on the left of insertion shell (2) on the right side of hollow shaft (1) to be rotatablely connected with shell (2), buffer structure (3) includes butterfly ring
(31), spring (32), parallel gasket (33), O-ring (34) and elastic cylindrical pin (35), spring (32) one end are connected to shell
(2) inner right side, spring (32) other end are abutted on the right side of parallel gasket (33), parallel gasket (33) left side and O-ring (34)
Right side abuts, and abuts on the left of O-ring (34) with butterfly ring (31) right side, and two elastic cylindrical pins (35) pass through butterfly ring (31) two
Side grafting enters in shell (2), and elastic cylindrical pin (35) axis is parallel with spring (32).
2. a kind of threeway steam swivel joint according to claim 1, which is characterized in that abutting on the left of butterfly ring (31) has
End face sealing ring (36), end face sealing ring (36) left side grafting enter the right side of hollow shaft (1).
3. a kind of threeway steam swivel joint according to claim 2, which is characterized in that outer socket in the middle part of hollow shaft (1)
There are two bearing (4), bearing (4) outer end face is connected on shell (2).
4. a kind of threeway steam swivel joint according to claim 3, which is characterized in that abutted on the right side of two bearings (4)
Have axis card (5), abutting on the left of two bearings (4) has hole card (6), and axis card (5) inner face is plugged in hollow shaft (1), hole card (6)
Outer end face is plugged in shell (2).
5. a kind of threeway steam swivel joint according to claim 4, which is characterized in that abutted between two bearings (4)
Have bearing spacer (7), bearing spacer (7) outer diameter is less than bearing (4) outer diameter.
6. a kind of threeway steam swivel joint according to claim 5, which is characterized in that shell (2) is located at bearing spacer
(7) top is provided with through-hole, and pump nozzle (8) are threaded on through-hole.
7. a kind of threeway steam swivel joint according to claim 6, which is characterized in that shell (2) bottom is provided with fuel-displaced
Mouth (23).
8. a kind of threeway steam swivel joint according to claim 1, which is characterized in that be socketed on the left of hollow shaft (1)
Spindle nose baffle (9), spindle nose baffle (9) right side are abutted with hollow shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091568.9U CN208474753U (en) | 2018-07-10 | 2018-07-10 | A kind of threeway steam swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091568.9U CN208474753U (en) | 2018-07-10 | 2018-07-10 | A kind of threeway steam swivel joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474753U true CN208474753U (en) | 2019-02-05 |
Family
ID=65210038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091568.9U Active CN208474753U (en) | 2018-07-10 | 2018-07-10 | A kind of threeway steam swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474753U (en) |
-
2018
- 2018-07-10 CN CN201821091568.9U patent/CN208474753U/en active Active
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