CN207988978U - A kind of mud saver valve - Google Patents
A kind of mud saver valve Download PDFInfo
- Publication number
- CN207988978U CN207988978U CN201820014114.5U CN201820014114U CN207988978U CN 207988978 U CN207988978 U CN 207988978U CN 201820014114 U CN201820014114 U CN 201820014114U CN 207988978 U CN207988978 U CN 207988978U
- Authority
- CN
- China
- Prior art keywords
- movable part
- hole
- fixed seat
- spool
- runner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of mud saver valves, belong to mud saver valve technology field.Mud saver valve includes valve body and spool, and valve body is internally provided with runner, limited step is provided in runner, spool is set in runner.Spool includes fixed seat, sealing seat, movable part, support tube and resetting spring, and tapped through hole is provided on casing, and caging bolt is equipped in tapped through hole, and the outer surface of block set is provided with limiting groove, and caging bolt stretches into the limiting groove.Screw-thread fit between sealing seat and valve body, it can dismantle, fixed seat is pressed in limited step by sealing seat by support tube, an entirety is connected as by caging bolt between movable part and fixed seat, installation process is relatively simple, effectively improves the installation effectiveness of mud saver valve, and, replace more convenient, effectively save production cost.
Description
Technical field
The utility model is related to mud saver valve technology fields, and in particular to a kind of mud saver valve.
Background technology
In Process of Oil Well Drilling, need to install plug valve additional between drilling rod and kelly bar, for unloading after stopping drilling pump
When kelly bar makes up a joint, prevents the spray of kelly bar top drilling fluid from letting out, avoid the waste of drilling fluid and the pollution to well site environment.Rotation
Plug valve needs artificial opening and closing, and operation is more troublesome, usually after having connect drill pipe joint, it is necessary to plug valve is opened,
The waste of mud is still resulted in, furthermore, it is also possible to will appear because operating personnel's carelessness is forgotten to cause to suppress pump due to opening plug valve
Situations such as, there are larger security risks.
Existing plash proof valve installation is inconvenient, time-consuming and laborious.
Utility model content
The purpose of this utility model is to provide a kind of mud saver valve, screw-thread fit between sealing seat and valve body can be with
Fixed seat is pressed in limited step by support tube, is connected by caging bolt between movable part and fixed seat by dismounting, sealing seat
It is connected in an entirety, installation process is relatively simple, effectively improves the installation effectiveness of mud saver valve, also, replacement is more convenient,
Effectively save production cost.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions：
A kind of mud saver valve, the plash proof valve include valve body and spool, and the valve body includes coaxial and sets gradually
Female adapter, main body and male connection, the valve body are internally provided with runner, axis of the runner along the valve body
Through the valve body and it is divided into epicoele and cavity of resorption, limited step is provided in the runner, the spool is set to the runner
It is interior；The spool includes fixed seat, sealing seat, movable part, support tube and resetting spring, and the sealing seat is threaded engagement in described
In valve body, the fixed seat is pressed in the limited step by the sealing seat by the support tube, is set in the fixed seat
It is equipped with the first through hole for flowing for liquid, the second through-hole for flowing for liquid is provided on the sealing seat, it is described
Movable part is slideably positioned between the fixed seat and the sealing seat and being capable of the close and separate sealing seat；The fixation
Seat is provided with block set close to the side of the movable part, and the movable part is provided with set close to one end of the fixed seat
Pipe, described sleeve pipe are sheathed on the outside of the block set and surround closed accommodating chamber, and the resetting spring is located at the accommodating chamber
Interior, the resetting spring is respectively held against the block set and the movable part and the movable part is made to have towards the sealing seat and transports
Dynamic trend；The spool has closed state and opening state, when the spool is in the closed state, the reset bullet
The movable part is pressed in the sealing seat and the runner is made to be broken into the closed state of epicoele and cavity of resorption, the spool by spring
When in the opening state, external force pushes the movable part and the resetting spring is made to compress, described in the movable part disengaging
Sealing seat and the runner is made to open；It is provided with tapped through hole in described sleeve pipe, caging bolt is equipped in the tapped through hole,
The outer surface of the block set is provided with limiting groove, and the limiting groove is strip and extends along the axis of the valve body, institute
It states caging bolt to stretch into the limiting groove, the caging bolt can resist the separate fixed seat of the limiting groove
One end and prevent the movable part from being detached from from the block set, when the spool is in the closed state, the limit spiral shell
One end far from the fixed seat of bolt and the limiting groove has gap.
Further, the fixed seat is provided with adjusting through-hole, and the block set is tubulose, the adjusting through-hole and the set
The internal connection of seat, the adjusting through-hole internal thread are engaged with adjusting head, and the both ends of the resetting spring are respectively held against the adjusting
Head and the movable part, the adjustings head are cylindric, and described one end far from the resetting spring for adjusting head is provided with interior
Hexagonal groove, the position for adjusting head in the adjusting through-hole is adjustable, to adjust the decrement of the resetting spring.
Further, second through-hole includes screwing section, and the section that screws is provided with multiple strip bulges, the bar shaped
Protrusion is axially extending along the valve body, and the section of the strip bulge is triangle, and the multiple strip bulge is along described the
The circumferential direction of two through-holes is uniformly distributed, and strip groove is formed between adjacent two strip bulges, the section that screws is for covering
On handle and spanner can drive the sealing seat to rotate.
Further, sliding block is provided in the limiting groove, the sliding block is slidably embedded at the limiting groove
Interior, the sliding block is fixed with the caging bolt.
The advantageous effect that the utility model is reached is：
Resetting spring is positioned in casing by mud saver valve provided by the utility model in plash proof valve installation process,
The casing of movable part is sheathed on the casing of fixed seat and is fixed by caging bolt, is then integrally put into fixed seat and movable part
In runner, support tube is positioned in runner and is resisted fixed seat, sealing seat is installed in runner and is closed using spanner etc.
Fixed seat is pressed in limited step by seat by support tube.Screw-thread fit between sealing seat and valve body can be dismantled, and sealing seat is logical
It crosses support tube and fixed seat is pressed in limited step, an entirety is connected as by caging bolt between movable part and fixed seat,
Installation process is relatively simple, effectively improves the installation effectiveness of mud saver valve, also, replace more convenient, effectively save production
Cost.
Description of the drawings
In order to more clearly illustrate the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is simply introduced, it should be apparent that, the accompanying drawings in the following description is only some realities described in the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the plash proof valve that the utility model embodiment provides；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the close-up schematic view of Fig. 2；
Fig. 4 is the structural schematic diagram for screwing section.
Reference numeral corresponds to as follows：
10- plash proof valves；
11- valve bodies；12- spools；
110- female adapters；111- main bodys；112- male connections；113- runners；114- limited steps；120- is fixed
Seat；121- sealing seats；122- movable parts；123- resetting springs；124- first through hole；The second through-holes of 125-；126- support tubes；
130- block sets；131- casings；132- caging bolts；133- limiting grooves；134- sliding blocks；136- adjusts head；Hexagonal is recessed in 137-
Slot；138- screws section；139- strip bulges.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
It please refers to shown in Fig. 1, the utility model embodiment provides a kind of mud saver valve 10.
It please refers to shown in Fig. 2, plash proof valve 10 includes valve body 11 and spool 12, and valve body 11 includes coaxial and sets gradually interior
Nipple 110, main body 111 and male connection 112.
Valve body 11 is internally provided with runner 113, runner 113 along valve body 11 axis through valve body 11 and be divided into epicoele and
Cavity of resorption is provided with limited step 114 in runner 113, and spool 12 is set in runner 113.
Spool 12 includes fixed seat 120, sealing seat 121, movable part 122, support tube 126 and resetting spring 123.
Sealing seat 121 is threaded engagement in valve body 11, and fixed seat 120 is pressed in limit by sealing seat 121 by support tube 126
Position step 114.
It is provided with the first through hole 124 for flowing for liquid in fixed seat 120, is provided on sealing seat 121 for supplying
Second through-hole 125 of liquid flowing, liquid can be drilling fluid, mud etc..
Movable part 122 is slideably positioned between fixed seat 120 and sealing seat 121 and being capable of close and separate sealing seat 121.
The side of the close movable part 122 of fixed seat 120 is provided with block set 130, the close fixed seat 120 of movable part 122
One end be provided with casing 131, casing 131 is sheathed on the outside of block set 130 and surrounds closed accommodating chamber, resetting spring 123
In accommodating chamber, resetting spring 123 is respectively held against block set 130 and movable part 122 and movable part 122 is made to have towards sealing seat
The trend of 121 movements.
Spool 12 has closed state and opening state, and when spool 12 is in closed state, resetting spring 123 is by movable part
122 are pressed in sealing seat 121 and runner 113 are made to be broken into the closed state of epicoele and cavity of resorption, spool 12 in the open state,
External force pushes movable part 122 and resetting spring 123 is made to compress, and movable part 122 is detached from sealing seat 121 and runner 113 is made to open.
It please refers to shown in Fig. 3, tapped through hole is provided on casing 131, caging bolt 132 is equipped in tapped through hole.
The outer surface of block set 130 is provided with limiting groove 133, and limiting groove 133 is for strip and along the axis of valve body 11
Extend, caging bolt 132 stretches into limiting groove 133, and caging bolt 132 can resist the separate fixed seat of limiting groove 133
120 one end and movable part 122 is prevented to be detached from from block set 130, when spool 12 be in closed state, caging bolt 132 with limit
One end of the separate fixed seat 120 of position groove 133 has gap.
As the alternative of said program, sliding block 134 is provided in limiting groove 133, sliding block 134 is slidably embedded
In in limiting groove 133, sliding block 134 is fixed with caging bolt 132.
Resetting spring 123 is positioned over by mud saver valve 10 provided by the utility model in 10 installation process of plash proof valve
In casing 131, the casing 131 of movable part 122 is sheathed on the casing 131 of fixed seat 120 and is fixed by caging bolt 132, so
Fixed seat 120 and 122 entirety of movable part are put into runner 113 afterwards, support tube 126 is positioned in runner 113 and resisted solid
Reservation 120, using spanner etc. by sealing seat 121 be installed in runner 113 and sealing seat 121 by support tube 126 by fixed seat
120 are pressed in limited step 114.
Screw-thread fit between sealing seat 121 and valve body 11 can be dismantled, and sealing seat 121 is by support tube 126 by fixed seat
120 are pressed in limited step 114, and an entirety is connected as by caging bolt 132 between movable part 122 and fixed seat 120, peace
Dress process is relatively simple, effectively improves the installation effectiveness of mud saver valve 10, also, replace more convenient, effectively save production
Cost.
In addition, in order to adjust the pretightning force of resetting spring 123, following scheme is present embodiments provided：Fixed seat 120 is arranged
It is tubulose to have adjusting through-hole, block set 130, adjusts through-hole and is connected to 130 inside of block set, adjusts through-hole internal thread and be engaged with adjusting head
136, the both ends of resetting spring 123, which are respectively held against, adjusts head 136 and movable part 122.
It is cylindric to adjust head 136, and the one end for adjusting the separate resetting spring 123 of head 136 is provided with interior hexagonal groove
137, position of the adjusting head 136 in adjusting through-hole is adjustable, to adjust the decrement of resetting spring 123.
It please refers to shown in Fig. 4, includes screwing section 138 to make the easier for installation of sealing seat 121, the second through-hole 125,
It screws section 138 and is provided with multiple strip bulges 139, strip bulge 139 is axially extending along valve body 11, and strip bulge 139 is cut
Face is triangle, and multiple strip bulges 139 are uniformly distributed along the circumferential direction of the second through-hole 125, adjacent two strip bulges 139 it
Between form strip groove, screw section 138 for be sheathed on handle and spanner can drive sealing seat 121 rotate.
Embodiment described above is only that preferred embodiments of the present invention are described, not new to this practicality
The conception and scope of type is defined, without departing from the design concept of the present utility model, ordinary skill skill in this field
Art personnel should all fall into the scope of protection of the utility model to all variations and modifications that the technical solution of the utility model is made,
The claimed technology contents of the utility model, are all documented in technology claim.
Claims (4)
1. a kind of mud saver valve, it is characterised in that：The plash proof valve includes valve body and spool, the valve body include it is coaxial and according to
Female adapter, main body and the male connection of secondary setting, the valve body are internally provided with runner, and the runner is along the valve
The axis of body is through the valve body and is divided into epicoele and cavity of resorption, limited step is provided in the runner, the spool is set to
In the runner；The spool includes fixed seat, sealing seat, movable part, support tube and resetting spring, and the sealing seat screw thread is nibbled
Together in the valve body, the fixed seat is pressed in the limited step by the sealing seat by the support tube, described solid
It is provided with the first through hole for flowing for liquid in reservation, second for flowing for liquid is provided on the sealing seat and is led to
Hole, the movable part are slideably positioned between the fixed seat and the sealing seat and being capable of the close and separate sealing seats；
The fixed seat is provided with block set close to the side of the movable part, and the movable part is set close to one end of the fixed seat
It is equipped with casing, described sleeve pipe is sheathed on the outside of the block set and surrounds closed accommodating chamber, and the resetting spring is located at described
In accommodating chamber, the resetting spring is respectively held against the block set and the movable part and the movable part is made to have towards the envelope
Close the trend of seat movement；The spool has closed state and opening state, described when the spool is in the closed state
The movable part is pressed in the sealing seat and the runner is made to be broken into the closed state of epicoele and cavity of resorption, institute by resetting spring
When stating spool and being in the opening state, external force pushes the movable part and the resetting spring is made to compress, and the movable part is de-
From the sealing seat and the runner is made to open；It is provided with tapped through hole in described sleeve pipe, is worn in the tapped through hole limited
The outer surface of position bolt, the block set is provided with limiting groove, and the limiting groove is for strip and along the axis of the valve body
Extend, the caging bolt stretches into the limiting groove, and the caging bolt can resist the separate institute of the limiting groove
It states one end of fixed seat and the movable part is prevented to be detached from from the block set, when the spool is in the closed state, institute
The one end far from the fixed seat for stating caging bolt and the limiting groove has gap.
2. mud saver valve according to claim 1, it is characterised in that：The fixed seat is provided with adjusting through-hole, described
Block set is tubulose, is connected to inside the adjusting through-hole and the block set, the adjusting through-hole internal thread is engaged with adjusting head, described
The both ends of resetting spring are respectively held against the adjusting head and the movable part, and the adjusting head is cylindric, the head that adjusts
One end far from the resetting spring is provided with interior hexagonal groove, and the position for adjusting head in the adjusting through-hole is adjustable,
To adjust the decrement of the resetting spring.
3. mud saver valve according to claim 1, it is characterised in that：Second through-hole includes screwing section, the rotation
Stubborn section is provided with multiple strip bulges, and the strip bulge is axially extending along the valve body, and the section of the strip bulge is
Triangle, the multiple strip bulge are uniformly distributed along the circumferential direction of second through-hole, adjacent two strip bulges it
Between form strip groove, the section that screws is for being sheathed on handle and spanner can drive the sealing seat to rotate.
4. mud saver valve according to claim 1, it is characterised in that：Sliding block is provided in the limiting groove, it is described
Sliding block is slidably embedded in the limiting groove, and the sliding block is fixed with the caging bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820014114.5U CN207988978U (en) | 2018-01-04 | 2018-01-04 | A kind of mud saver valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820014114.5U CN207988978U (en) | 2018-01-04 | 2018-01-04 | A kind of mud saver valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207988978U true CN207988978U (en) | 2018-10-19 |
Family
ID=63818879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820014114.5U Expired - Fee Related CN207988978U (en) | 2018-01-04 | 2018-01-04 | A kind of mud saver valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207988978U (en) |
-
2018
- 2018-01-04 CN CN201820014114.5U patent/CN207988978U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190104 |