CN207161799U - A kind of vacuum abolishes joint - Google Patents
A kind of vacuum abolishes joint Download PDFInfo
- Publication number
- CN207161799U CN207161799U CN201721246666.0U CN201721246666U CN207161799U CN 207161799 U CN207161799 U CN 207161799U CN 201721246666 U CN201721246666 U CN 201721246666U CN 207161799 U CN207161799 U CN 207161799U
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- plug
- valve body
- inlet end
- mounting groove
- abolishes
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Abstract
The utility model discloses a kind of vacuum to abolish joint, including valve body, and the valve body includes the inlet end being connected with pipe-line system, the exhaust end communicated with the inlet end, it is characterised in that：One is provided with the bypass of inlet end abolish component on the valve body, abolishing component includes plug, spheroid and sealing ring, one end of plug forms rotating part, the plug other end forms closure part, the accommodating chamber for placing spheroid is offered on the end face of closure part, the bottom of accommodating chamber is formed is adapted mating surface with the outer surface of spheroid, the gas channel of connection accommodating chamber bottom is offered in the side wall of closure part, the interface channel of connection exhaust end and gas channel is offered in valve body, the mounting groove for installing the plug is offered on valve body, the bottom land of mounting groove communicates with inlet end, the bottom land of mounting groove is less than the diameter of spheroid with the connected entrance of inlet end connecting place, sealing ring is arranged between plug and the cell wall of mounting groove.
Description
Technical field
It the utility model is related to a kind of vacuum and abolish joint.
Background technology
Discharged water external pipe joint in various valves, water nozzle and tap, particularly in the radiator of heater system,
In valve switch, because hydraulic pressure system is run or stops that negative pressure can be produced or is stepped up vacuum, bear pipeline and valve
The effect of external atmosphere pressure, damage is produced to pipeline and valve, while also cause external sewage suck-back to enter pipe-line system, polluted
Pipeline.
In addition, existing Publication No. CN204647462U Chinese utility model discloses《A kind of novel evacuated abolish connects
Head》, including joint one, piston, joint two, the joint one are the hollow circular cylinder with bottom surface, its upper and lower ends is connected with
Male-pipe, boss is provided with along internal diameter top edge, bottom surface is circumferentially uniformly provided with aperture, radially inside provided with horizontal phase
Mutually two vertical through holes, the through hole communicate with aperture；The piston is the cylinder with end face, and piston is pacified by end face
Loaded on boss, its chock plug is stoppered in joint one, and chock plug through through hole and has gap with the bottom surface of joint one when stoppering；It is described to connect
First two be the female hollow circular cylinder of upper and lower ends band, and it is mutual by lower end internal thread and the upper external screw thread pipe of joint one
Coordinate and be connected with joint one, the bosom of joint two is provided with annulus, and internal radius is less than chock plug end face diameter, chock plug plug
Gap is left so that chock plug does not block through hole when piston is jacked up in annulus lower surface with chock plug end face when tight.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, there is provided a kind of vacuum abolishes joint,
When occurring negative pressure in pipe-line system, the pressure adopted in pipe-line system can be supplemented in time.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of vacuum abolishes joint, including valve
Body, the valve body include the inlet end being connected with pipe-line system, the exhaust end communicated with the inlet end, it is characterised in that：The valve
One being provided with the bypass of inlet end on body and abolishing component, this, which abolishes component, includes plug, spheroid and sealing ring, described stifled
One end of head forms rotating part, and the plug other end forms closure part, offered on the end face of closure part for placing the spheroid
Accommodating chamber, the bottom of accommodating chamber forms and mating surface is adapted with the outer surface of the spheroid, offered in the side wall of closure part
The gas channel of the accommodating chamber bottom is connected, the company for connecting the exhaust end and the gas channel is offered in the valve body
Road is connected, external screw thread is offered in the middle part of plug, the mounting groove for installing the plug, mounting groove is offered on the valve body
Bottom land communicated with inlet end, the bottom land of mounting groove and the connected entrance of inlet end connecting place are less than the diameter of the spheroid, described
Sealing ring is arranged between the cell wall of plug and the mounting groove.
As an improvement, the closure part of the plug is inserted the bottom land of the mounting groove, passed through formed with an axle journal, the axle journal
Axle journal is set, is easy to the closure part of plug preferably to be sealed with the bottom land of mounting groove and coordinates.
Improve again, the diameter of the closure part is less than the diameter that screw thread in the middle part of the plug opens up place, so, is easy to plug
The externally threaded setting in middle part.
Improve again, a stepped hole is offered at the notch of the mounting groove, the sealing ring is pressed in the stepped hole
On step, so, when plug is tightened in mounting groove by rotating part, sealing ring can be pressed in the platform of stepped hole by plug
On rank, so as to improve the sealing between mounting groove cell wall and plug.
Improve again, a gas deflation assembly is provided with the valve body, the gas deflation assembly includes being threadedly connected on valve body
Exhaust seat, the valve rod being slideably positioned in inside exhaust seat, be arranged at valve stem end be used for block inlet end exit seal receptacle,
It is sheathed on valve rod and seal receptacle is pressed in the spring in inlet end exit, the adjustment seat being arranged on exhaust seat, in adjustment seat
An adjusting rod is provided with, the end of the adjusting rod and the other end of the valve rod offset.When occurring high pressure shape in pipe-line system
During condition, when pressure exceeded gas deflation assembly setting pressure value, seal receptacle open, can by the gases at high pressure in pipe-line system from
Exhaust end is discharged, and when needing to adjust the pressure value of setting, is only needed rotation adjusting lever, is changed the compression degree of spring.
Compared with prior art, the utility model has the advantage of：Under normal work, pressure in pipe-line system is by spheroid
The bottom of accommodating chamber is pressed in, spheroid separates inlet end and exhaust end, when occurring negative pressure state in pipe-line system, exhaust end
When outside pressure is more than the pressure of inlet end, outside atmosphere enters from exhaust end, enters gas channel by interface channel, from
And spheroid is promoted, extraneous gas enters inlet end from the bottom land of holding tank, so as to supplement the pressure in pipe-line system.
Brief description of the drawings
Fig. 1 is the structural representation that vacuum abolishes joint in the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, the vacuum in this implementation abolishes joint, including valve body 1, abolish component 2 and gas deflation assembly 3.
Wherein, valve body 1 includes the inlet end 11 being connected with pipe-line system, the exhaust end 12 communicated with the inlet end 11, valve
One being provided with the bypass of inlet end 11 on body 1 and abolishing component 2, this, which abolishes component 2, includes plug 21, spheroid 23 and sealing
Circle 22, one end of the plug 21 form rotating part, and the other end of plug 21 forms closure part, use is offered on the end face of closure part
In the accommodating chamber 211 for placing the spheroid 23, the bottom of accommodating chamber 211 is formed is adapted cooperation with the outer surface of the spheroid 23
Face, offers the gas channel 212 for connecting the bottom of accommodating chamber 211 in the side wall of closure part, the company of offering in the valve body 1
Lead to the interface channel 112 of the exhaust end 12 and the gas channel 212, the middle part of plug 21 offers external screw thread, the valve
The mounting groove for installing the plug 21 is offered on body 1, the bottom land of mounting groove communicates with inlet end 11, the bottom land of mounting groove
It is less than the diameter of the spheroid 23 with the connected entrance of the connecting place of inlet end 11, the sealing ring 22 is arranged at plug 21 and the peace
Between the cell wall of tankage.
Further, the closure part of plug 21 is formed with an axle journal, and the axle journal inserts the bottom land of the mounting groove, by setting
Axle journal is put, is easy to the closure part of plug 21 preferably to be sealed with the bottom land of mounting groove and coordinates.
Further, the diameter of closure part is less than the diameter that the middle part screw thread of plug 21 opens up place, so, is easy to block up
The externally threaded setting in first 21 middle part.
In addition, offering a stepped hole at the notch of mounting groove, the sealing ring 22 is pressed in the step of the stepped hole
On, so, when plug 21 is tightened in mounting groove by rotating part, sealing ring 22 can be pressed in stepped hole by plug 21
On step, so as to improve the sealing between mounting groove cell wall and plug 21.
In addition, being provided with a gas deflation assembly 3 on valve body 1, the gas deflation assembly 3 includes being threadedly connected to the row on valve body 1
Gas seat 31, the valve rod 32 being slideably positioned in inside exhaust seat 31, the end of valve rod 32 is arranged at for blocking the exit of inlet end 11
Seal receptacle 34, be sheathed on valve rod 32 seal receptacle 31 be pressed in the spring 33 in the exit of inlet end 11, is arranged at exhaust seat
Adjustment seat 35 on 31, an adjusting rod 36 is provided with adjustment seat 35, the end of the adjusting rod 36 is another with the valve rod 32
End offsets.When occurring high pressure conditions in pipe-line system, when pressure has exceeded the pressure value of the setting of gas deflation assembly 3, seal receptacle
34 open, and can discharge the gases at high pressure in pipe-line system from exhaust end 12, when needing to adjust the pressure value of setting, only need
Rotation adjusting lever 36, change the compression degree of spring 33.
Under normal work, spheroid 23 is pressed in the bottom of accommodating chamber by the pressure in pipe-line system, and spheroid is by inlet end 11
Separate with exhaust end 12, when occurring negative pressure state in pipe-line system, the pressure outside exhaust end 12 is more than the pressure of inlet end 11
During power, outside atmosphere enters from exhaust end 12, enters gas channel 212 by interface channel 112, so as to promote spheroid 23, outside
Portion's gas enters inlet end 11 from the bottom land of holding tank, so as to supplement the pressure in pipe-line system.
Claims (5)
1. a kind of vacuum abolishes joint, including valve body (1), the valve body (1) include the inlet end (11) be connected with pipe-line system and
The exhaust end (12) that the inlet end (11) communicates, it is characterised in that：Set on the valve body (1) in the bypass of inlet end (11)
It is equipped with one and abolishes component (2), this, which abolishes component (2), includes plug (21), spheroid (23) and sealing ring (22), the plug (21)
One end form rotating part, plug (21) other end forms closure part, offers on the end face of closure part for placing the ball
The accommodating chamber of body (23), the bottom of accommodating chamber is formed is adapted mating surface, the side of closure part with the outer surface of the spheroid (23)
The gas channel (212) for connecting the accommodating chamber bottom is offered on wall, the connection exhaust end is offered in the valve body (1)
(12) and the gas channel (212) interface channel (112), offer external screw thread, the valve body (1) in the middle part of plug (21)
On offer for installing the mounting grooves (211) of the plug (21), the bottom land of mounting groove (211) communicates with inlet end (11),
The bottom land of mounting groove (211) is less than the diameter of the spheroid (23), the sealing ring with the connected entrance of inlet end (11) connecting place
(22) it is arranged between the cell wall of plug (21) and the mounting groove (211).
2. vacuum according to claim 1 abolishes joint, it is characterised in that：The closure part of the plug (21) is formed with one
Axle journal, the axle journal insert the bottom land of the mounting groove (211).
3. vacuum according to claim 1 abolishes joint, it is characterised in that：The diameter of the closure part is less than the plug
(21) middle part screw thread opens up the diameter at place.
4. vacuum according to claim 1 abolishes joint, it is characterised in that：Opened up at the notch of the mounting groove (211)
There is a stepped hole, the sealing ring (22) is pressed on the step of the stepped hole.
5. vacuum according to claim 1 abolishes joint, it is characterised in that：An exhaust group is provided with the valve body (1)
Part (3), the gas deflation assembly (3) include being threadedly connected to exhaust seat (31) on valve body (1), are slideably positioned in exhaust seat (31)
The valve rod (32) of inside, valve rod (32) end is arranged at for blocking the seal receptacle (34) in inlet end (11) exit, being sheathed on
Seal receptacle (34) is pressed in spring (33), the tune being arranged on exhaust seat (31) in inlet end (11) exit on valve rod (32)
Seat (35) is saved, is provided with an adjusting rod (36) in adjustment seat (35), the end of the adjusting rod (36) is another with the valve rod (32)
One end offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246666.0U CN207161799U (en) | 2017-09-26 | 2017-09-26 | A kind of vacuum abolishes joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246666.0U CN207161799U (en) | 2017-09-26 | 2017-09-26 | A kind of vacuum abolishes joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161799U true CN207161799U (en) | 2018-03-30 |
Family
ID=61724209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721246666.0U Active CN207161799U (en) | 2017-09-26 | 2017-09-26 | A kind of vacuum abolishes joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283586A (en) * | 2020-10-16 | 2021-01-29 | 陈希 | Vacuum breaker for liquid conveying pipeline |
-
2017
- 2017-09-26 CN CN201721246666.0U patent/CN207161799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283586A (en) * | 2020-10-16 | 2021-01-29 | 陈希 | Vacuum breaker for liquid conveying pipeline |
| CN112283586B (en) * | 2020-10-16 | 2022-09-16 | 浙江华龙巨水暖通科技有限公司 | Vacuum breaker for liquid conveying pipeline |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |