CN207960563U - A kind of polished rod sealer - Google Patents
A kind of polished rod sealer Download PDFInfo
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- CN207960563U CN207960563U CN201820398333.8U CN201820398333U CN207960563U CN 207960563 U CN207960563 U CN 207960563U CN 201820398333 U CN201820398333 U CN 201820398333U CN 207960563 U CN207960563 U CN 207960563U
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- rubber
- polished rod
- gland
- shell
- star
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Abstract
The utility model discloses a kind of polished rod sealers, include lower ball base, trim ring, eccentric ball head, shell, taper rubber, gland, ball seat and small pressure cap successively from top to bottom.The utility model is simple in structure, and eccentric ball head is set to hemispherical groove, i.e. polished rod can have a certain amount of offset, reduces the eccentric wear of polished rod, and taper rubber ensures the sealing effect of polished rod sealer with stripper rubber；The screw rod of adjustment housings both sides, screw rod is pushed by pedestal clamps rubber come polish rod, to adjust the degrees of offset of polished rod or so；Taper rubber is set to the dislocation that two blocks of rubber is avoided between gland and shell, and the contact surface of two blocks of rubber is in zigzag, further avoids the dislocation of two blocks of rubber, so that it is guaranteed that sealant clamps polished rod, further ensures the sealing effect of polished rod sealer.
Description
Technical field
The utility model is related to machinery fields, and in particular to a kind of polished rod sealer.
Background technology
Beam pumping unit, also referred to as girder-like oil pump, beam type crank balanced pumping unit, refer to containing walking beam, pass through connecting rod
Mechanism commutates, and the pumping unit of crank weight balance is commonly called as kowtowing machine.It is to have bar class oil production equipment from oil production method.Beam type
Pumping unit is one of the pumping unit type that oil field is currently mainly used, mainly by horse head-walking beam-connecting rod-crank mechanism,
The most of composition of reduction box, power-equipment and auxiliary equipment etc. four.When work, the transmission of motor is through gearbox, crank connecting link
Mechanism becomes the up and down motion of horse head, and horse head drives the plunger of downhole pump to move up and down through polished rod, sucker rod, to not
The crude oil in well disconnectedly is extracted out pit shaft.Needed on polished rod be equipped with polished rod sealer, however due to the eccentric wear of polished rod and up and down it is past
Multiple movement, frequently results in the problem of the sealing effect difference of polished rod sealer.
Invention content
The utility model provides a kind of polished rod sealer, solves asking for the sealing effect difference of prior art polished rod sealer
Topic.
The utility model is achieved through the following technical solutions：
A kind of polished rod sealer includes lower ball base, trim ring, eccentric ball head, shell, taper rubber, pressure successively from top to bottom
The top of lid, ball seat and small pressure cap, the lower ball base is equipped with hemispherical groove, and the lower part of the eccentric ball head is sphere, should
Sphere is located in hemispherical groove, and is pressed in hemispherical groove by trim ring, and the top of eccentric ball head is threadedly coupled with shell, institute
The left and right sides for stating shell is equipped with protruding block, left and right；Two protruding blocks are equipped with the through-hole that axis is horizontal, the through-hole
Both ends be respectively provided with a regulating device, the top of shell is equipped with up big and down small frustum connected in star, the shell and gland spiral shell
Line connects, and the lower part of gland is equipped with up-small and down-big frustum connected in star, and the taper rubber is set between gland and shell, institute
The top for stating gland is equipped with up big and down small frustum connected in star, is equipped with stripper rubber in the frustum connected in star, the ball seat will be close
Sealing skin is pressed in frustum connected in star, and ball seat is threadedly coupled with gland, and the small pressure cap is threadedly coupled with ball seat.
The utility model is further improved scheme, the regulating device include be fixedly connected on protruding block connector,
The screw rod being threadedly connected on connector, the pedestal being rotatablely connected with screw rod and the clamping rubber being fixedly connected on pedestal；Make
Used time, shell are placed on polished rod, and two clamp rubber and are pressed on polished rod.
The utility model is further improved scheme, and the taper rubber is made of upper and lower two frustums, which is provided with logical
Hole, taper rubber are made of the two blocks of rubber in left and right, and the contact surface of two blocks of rubber is in zigzag, and the middle part of taper rubber is equipped with ball
Connected in star, inside of spherical groove are equipped with multiple sealants.
The utility model is further improved scheme, and the thickness of the stripper rubber is more than the frustum connected in star at the top of gland
Interior depth.
The utility model is further improved scheme, and O-ring, the protrusion are equipped between the eccentric ball head and lower ball base
O-ring is respectively equipped between block and connector and between connector and screw rod.
The utility model is further improved scheme, and swing handle is respectively equipped on the trim ring and gland.
The utility model compared with prior art, has the following advantages that：
1, the utility model is simple in structure, and eccentric ball head is set to hemispherical groove, i.e. polished rod can have a certain amount of offset,
The eccentric wear of polished rod is reduced, and taper rubber ensures the sealing effect of polished rod sealer with stripper rubber；
2, the screw rod of adjustment housings both sides, screw rod is pushed by pedestal clamps rubber come polish rod, to adjust polished rod
The degrees of offset of left and right；
3, taper rubber is set to the dislocation that two blocks of rubber is avoided between gland and shell, and the contact surface of two blocks of rubber is in
Zigzag further avoids the dislocation of two blocks of rubber, so that it is guaranteed that sealant clamps polished rod, further ensures polished rod seal
The sealing effect of device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of taper rubber.
Fig. 3 is the schematic diagram of one block of rubber in taper rubber.
Fig. 4 is the vertical view of Fig. 2.
The A-A sectional views that Fig. 5 is Fig. 4.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of polished rod sealer, from top to bottom successively include lower ball base 1,
Trim ring 2, eccentric ball head 3, shell 4, taper rubber 10, gland 11, ball seat 13 and small pressure cap 14, the top of the lower ball base 1
Equipped with hemispherical groove, the lower part of the eccentric ball head 3 is sphere, which is located in hemispherical groove, and is pressed on by trim ring 2
In hemispherical groove, the top of eccentric ball head 3 is threadedly coupled with shell 4, and the left and right sides of the shell 4 is equipped with protruding block 5, left
It is right；Two protruding blocks 5 are equipped with the through-hole that axis is horizontal, and the both ends of the through-hole are respectively provided with a regulating device, shell
The top of body 4 is equipped with up big and down small frustum connected in star, and the shell 4 is threadedly coupled with gland 11, and the lower part of gland 11 is set
There are up-small and down-big frustum connected in star, the taper rubber 10 to be set between gland 11 and shell 4, the top of the gland 11 is set
There is up big and down small frustum connected in star, stripper rubber 12 is equipped in the frustum connected in star, the ball seat 13 presses stripper rubber 12
In in frustum connected in star, ball seat 13 is threadedly coupled with gland 11, and the small pressure cap 14 is threadedly coupled with ball seat 13, the adjusting dress
It sets including being fixedly connected with the seat with connector 6, the screw rod 7 and the rotation connection of screw rod 7 that are threadedly connected on connector 6 on protruding block 5
Body 8 and the clamping rubber 9 being fixedly connected on pedestal 8；In use, shell 4 is placed on polished rod, two clamp rubber 9 and are pressed on
On polished rod, the taper rubber 10 is made of upper and lower two frustums, which is provided with through-hole 101, taper rubber 10 is by controlling two pieces
Rubber forms, and the contact surface 102 of two blocks of rubber is in zigzag, and the middle part of taper rubber 10 is equipped with spherical groove, spherical groove
Interior to be equipped with multiple sealants 104, the thickness of the stripper rubber 12 is more than depth in the frustum connected in star at 11 top of gland, described
It is equipped with O-ring between eccentric ball head 3 and lower ball base 1, divides between the protruding block 5 and connector 6 and between connector 6 and screw rod 7
Not She You O-ring, be respectively equipped with swing handle on the trim ring 2 and gland 11.
It should be pointed out that for those skilled in the art, not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of polished rod sealer, it is characterised in that：Include lower ball base successively from top to bottom（1）, trim ring（2）, eccentric ball head
（3）, shell（4）, taper rubber（10）, gland（11）, ball seat（13）And small pressure cap（14）, the lower ball base（1）Top
Equipped with hemispherical groove, the eccentric ball head（3）Lower part be sphere, which is located in hemispherical groove, and by trim ring（2）
It is pressed in hemispherical groove, eccentric ball head（3）Top and shell（4）It is threadedly coupled, the shell（4）The left and right sides be equipped with
Protruding block（5）, left and right；Two protruding blocks（5）It is equipped with the through-hole that axis is horizontal, the both ends of the through-hole are respectively provided with one
A regulating device, shell（4）Top be equipped with up big and down small frustum connected in star, the shell（4）With gland（11）Screw thread connects
It connects, and gland（11）Lower part be equipped with up-small and down-big frustum connected in star, the taper rubber（10）Set on gland（11）With shell
Body（4）Between, the gland（11）Top be equipped with up big and down small frustum connected in star, fluid sealant is equipped in the frustum connected in star
Skin（12）, the ball seat（13）By stripper rubber（12）It is pressed in frustum connected in star, ball seat（13）With gland（11）It is threadedly coupled,
The small pressure cap（14）With ball seat（13）It is threadedly coupled.
2. a kind of polished rod sealer according to claim 1, it is characterised in that：The regulating device include be fixedly connected with
Protruding block（5）On connector（6）, be threadedly connected to connector（6）On screw rod（7）With screw rod（7）The pedestal of rotation connection（8）
And it is fixedly connected on pedestal（8）On clamping rubber（9）；In use, shell（4）It is placed on polished rod, two clamping rubber（9）
It is pressed on polished rod.
3. a kind of polished rod sealer according to claim 1, it is characterised in that：The taper rubber（10）By upper and lower two
Frustum forms, and which is provided with through-hole（101）, taper rubber（10）It is made of the two blocks of rubber in left and right, and the contact surface of two blocks of rubber
（102）In zigzag, taper rubber（10）Middle part be equipped with spherical groove, inside of spherical groove be equipped with multiple sealants（104）.
4. a kind of polished rod sealer according to claim 1, it is characterised in that：The stripper rubber（12）Thickness be more than
Gland（11）Depth in the frustum connected in star at top.
5. a kind of polished rod sealer according to claim 1, it is characterised in that：The eccentric ball head（3）With lower ball base（1）
Between be equipped with O-ring, the protruding block（5）With connector（6）Between and connector（6）With screw rod（7）Between be respectively equipped with it is O-shaped
Circle.
6. a kind of polished rod sealer according to claim 1, it is characterised in that：The trim ring（2）With gland（11）Upper point
It She You not swing handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398333.8U CN207960563U (en) | 2018-03-23 | 2018-03-23 | A kind of polished rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820398333.8U CN207960563U (en) | 2018-03-23 | 2018-03-23 | A kind of polished rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960563U true CN207960563U (en) | 2018-10-12 |
Family
ID=63726109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820398333.8U Active CN207960563U (en) | 2018-03-23 | 2018-03-23 | A kind of polished rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165183A (en) * | 2021-11-30 | 2022-03-11 | 于海颜 | Pumping well polish rod sealing assembly |
-
2018
- 2018-03-23 CN CN201820398333.8U patent/CN207960563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165183A (en) * | 2021-11-30 | 2022-03-11 | 于海颜 | Pumping well polish rod sealing assembly |
| CN114165183B (en) * | 2021-11-30 | 2024-02-13 | 于海颜 | Polished rod sealing assembly of pumping well |
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