CN205135510U - Novel middling pressure polished rod sealing ware - Google Patents
Novel middling pressure polished rod sealing ware Download PDFInfo
- Publication number
- CN205135510U CN205135510U CN201520940770.4U CN201520940770U CN205135510U CN 205135510 U CN205135510 U CN 205135510U CN 201520940770 U CN201520940770 U CN 201520940770U CN 205135510 U CN205135510 U CN 205135510U
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- China
- Prior art keywords
- polished rod
- pressure cap
- hole
- packing
- sealed packing
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Abstract
The utility model discloses a novel middling pressure polished rod sealing ware relates to oil development beam -pumping unit oil well wellhead technical field. A novel middling pressure polished rod sealing ware, including polished rod sealing ware body, this internal fixed chamber that sets up the through -hole and feed through with the through -hole of polished rod sealing ware, set up the polished rod in the through -hole, sealed packing sets gradually in the space between fixed chamber and the polished rod, gland on the packing, polished rod sealing ware upper end sets up the pressure cap that is used for compressing tightly gland on the packing, fixed chamber is the wide round platform type in the narrow upper end of lower extreme, the width of fixed chamber lower extreme is greater than the width of through -hole, the shape of sealed packing suits with the shape in fixed chamber, set up the lubricating arrangement who is used for lubricated polished rod on the pressure cap. The utility model has the advantages of its simple structure, sealed packing round platform as an organic whole shape, to the wearing and tearing of polished rod little, conveniently take out to set up the lubricating arrangement of lubricated polished rod on the gland, can lubricate the polished rod, prevent that the polished rod from rustting, improve the life of polished rod.
Description
Technical field
The utility model relates to petroleum beam-pumping unit well mouth of oil well device technique field, particularly a kind of Novel medium voltage polished rod sealer.
Background technology
In oil field operation, for preventing the leakage occurring crude oil in manufacturing process, need to arrange sealer in the bottom of lift polished rod.Polished rod sealer used at present, comprise the sleeve that inside is provided with rubber sealing boot, sleeve inner arranges boss to place rubber sealing boot, the top of sleeve is provided with the clamping sleeve compressed rubber sealing boot and the end cap be connected with bush whorl, and the sealing shroud of existing polished rod sealer is cylindrical, there is a lot of problem in use, such as:
1, sealed packing is cylindrical, and while tightly holding polished rod tightly, also produce larger resistance to polished rod, polished rod quick abrasion, needs often to change polished rod, costly.
2, existing sealed packing is split-type structural, and polished rod sealer sealed bottom packing is difficult to take out, and uses inconvenience.
3, existing polished rod easily corrodes, and application life is short.
Summary of the invention
For solving deficiency of the prior art, the utility model provides a kind of Novel medium voltage polished rod sealer, its structure is simple, sealed packing is integrated truncated cone-shaped, little to the wearing and tearing of polished rod, convenient taking-up, and gland is arranged the lubricating arrangement of lubrication polished rod, can polished rod be lubricated, prevent polished rod from getting rusty, improve the application life of polished rod.
The utility model for achieving the above object, be achieved through the following technical solutions: a kind of Novel medium voltage polished rod sealer, comprise polished rod sealer body, lock chamber through hole being set in described polished rod sealer body and being communicated with through hole, in described through hole, polished rod is set, sealed packing is set gradually in space between described lock chamber and polished rod, packing upper press cover, described polished rod sealer upper end arranges the pressure cap for compressing packing upper press cover, described lock chamber is the wide circular platform type in narrow upper end, lower end, the width of described lock chamber lower end is greater than the width of through hole, the shape of described sealed packing and the shape of lock chamber adapt, described pressure cap is arranged the lubricating arrangement for lubricating polished rod.
Described pressure cap comprises pressure cap body, arranges pressure cap through hole in described pressure cap body, and described lubricating arrangement is the oil storage box being arranged on pressure cap body upper end, arranges shoe cream room in described oil storage box, and described shoe cream room is communicated with pressure cap through hole.
Arrange spring and sponge ring in described shoe cream room, described sponge ring is positioned at below spring.
Described pressure cap body and oil storage box are structure as a whole.
Described sealed packing is nylon rubber mixing sealed packing.
Contrast prior art, the beneficial effects of the utility model are:
1, in the utility model, sealed packing is integrated truncated cone-shaped, little to the wearing and tearing of polished rod, convenient taking-up, after use one end time, even if sealed packing weares and teares, because sealed packing is that narrow upper end, lower end is wide, when sealed packing is under pressure, sealed packing meeting slide downward, make sealed packing all the time with lock chamber inwall close contact, play good sealing function; And lubricating arrangement gland arranged for lubricating polished rod, can lubricate polished rod, prevent polished rod from getting rusty, and improves the application life of polished rod; In addition, this device can meet workover treatment to the pressure test pressure of rod-pumped well lower tubular column is the requirement of 5MPa.
2, arrange spring and sponge ring in shoe cream room, sponge ring is positioned at below spring, and sponge ring can absorb storage lubrication oil, adopts spring compresses sponge ring the lubrication oil in sponge ring can be extruded, and saves lubrication oil, flexible and convenient to use.
3, pressure cap body and oil storage box are structure as a whole, convenient processing, improve the sealing between pressure cap body and oil storage box simultaneously, prevent leakage of oil.
4, sealed packing is nylon rubber mixing sealed packing, and wear resistence is good, improves the application life of sealed packing.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model half sectional view structural representation;
Accompanying drawing 2 is polished rod sealer body sectional view structural representations in the utility model;
Accompanying drawing 3 is pressure cap sectional view structural representations in the utility model.
Label shown in accompanying drawing: 1, polished rod sealer body; 2, through hole; 3, lock chamber; 4, polished rod; 5, sealed packing; 6, packing upper press cover; 7, pressure cap; 71, pressure cap body; 72, pressure cap through hole; 73, oil storage box; 74, shoe cream room; 75, spring; 76, sponge ring.
Detailed description of the invention
By reference to the accompanying drawings and specific embodiment, the utility model is described in further detail.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
A kind of Novel medium voltage polished rod sealer, comprise polished rod sealer body 1, polished rod sealer body 1 two ends all arrange external screw thread, and polished rod sealer body 1 lower end is threaded well mouth oil pipe.The lock chamber 3 arranging through hole 2 in described polished rod sealer body 1 and be communicated with through hole 2, arranges polished rod 4 in described through hole 2.Sealed packing 5 is set gradually in space between described lock chamber 3 and polished rod 4, packing upper press cover 6, described polished rod 4 sealer upper end arranges the pressure cap 7 for compressing packing upper press cover 6, described lock chamber 3 is the wide circular platform type in narrow upper end, lower end, the width of described lock chamber 3 lower end is greater than the width of through hole 2, form shoulder and be used for fixing seal packing, the shape of described sealed packing 5 and the shape of lock chamber 3 adapt, sealed packing is integrated truncated cone-shaped, little to the wearing and tearing of polished rod, convenient taking-up, after use one end time, even if sealed packing weares and teares, because sealed packing is that narrow upper end, lower end is wide, when sealed packing is under pressure, sealed packing meeting slide downward, make sealed packing all the time with lock chamber inwall close contact, play good sealing function.Described pressure cap 7 being arranged the lubricating arrangement for lubricating polished rod 4, can polished rod be lubricated, prevent polished rod from getting rusty, improve the application life of polished rod.During use, polished rod sealer body, sealed packing are enclosed within polished rod successively, and then packing upper press cover is enclosed within polished rod, finally gland and polished rod sealer body are screwed, gland to the extruding of packing upper press cover, packing upper press cover crush seal packing, sealed packing is the wide circular platform type in narrow upper end, lower end, make sealed packing and polished rod close contact, play sealing function.After sealed packing is worn, again screw gland, gland, by packing upper press cover crush seal packing, makes sealed packing slide downward continue to hold polished rod tightly.
Further, described pressure cap 7 comprises pressure cap body 71, in described pressure cap body 71, pressure cap through hole 72 is set, described lubricating arrangement is the oil storage box 73 being arranged on pressure cap body 71 upper end, arranges shoe cream room 74 in described oil storage box 73, and described shoe cream room 74 is communicated with pressure cap through hole 72, lubrication oil is placed in oil storage box, guarantee that in use lubrication oil plays lubrication to polished rod, prevent from polished rod gets rusty, improve the application life of polished rod.
As optimization, arrange spring 75 and sponge ring 76 in described shoe cream room 74, described sponge ring 76 is positioned at below spring 75, sponge ring can absorb storage lubrication oil, adopt spring compresses sponge ring the lubrication oil in sponge ring can be extruded, and save lubrication oil, flexible and convenient to use.
As optimization, described pressure cap body 71 is structure as a whole with oil storage box 73, and convenient processing improves the sealing between pressure cap body and oil storage box simultaneously, prevents leakage of oil.
As optimization, described sealed packing 5 is nylon rubber mixing sealed packing, and wear resistence is good, improves the application life of sealed packing.
Embodiment 1:
A kind of Novel medium voltage polished rod sealer, comprise polished rod sealer body 1, polished rod sealer body 1 two ends all arrange external screw thread, and polished rod sealer body 1 lower end is threaded well mouth oil pipe.The lock chamber 3 arranging through hole 2 in described polished rod sealer body 1 and be communicated with through hole 2, arranges polished rod 4 in described through hole 2.Set gradually sealed packing 5, packing upper press cover 6 in space between described lock chamber 3 and polished rod 4, described sealed packing 5 is nylon rubber mixing sealed packing, and wear resistence is good, improves the application life of sealed packing.Described polished rod 4 sealer upper end arranges the pressure cap 7 for compressing packing upper press cover 6, described lock chamber 3 is the wide circular platform type in narrow upper end, lower end, the width of described lock chamber 3 lower end is greater than the width of through hole 2, form shoulder and be used for fixing seal packing, the shape of described sealed packing 5 and the shape of lock chamber 3 adapt, sealed packing is integrated truncated cone-shaped, little to the wearing and tearing of polished rod, convenient taking-up, after use one end time, even if sealed packing weares and teares, because sealed packing is that narrow upper end, lower end is wide, when sealed packing is under pressure, sealed packing meeting slide downward, make sealed packing all the time with lock chamber inwall close contact, play good sealing function.Described pressure cap 7 being arranged the lubricating arrangement for lubricating polished rod 4, can polished rod be lubricated, prevent polished rod from getting rusty, improve the application life of polished rod.Described pressure cap 7 comprises pressure cap body 71, in described pressure cap body 71, pressure cap through hole 72 is set, described lubricating arrangement is the oil storage box 73 being arranged on pressure cap body 71 upper end, described pressure cap body 71 is structure as a whole with oil storage box 73, convenient processing, improve the sealing between pressure cap body and oil storage box simultaneously, prevent leakage of oil.Arrange shoe cream room 74 in described oil storage box 73, described shoe cream room 74 is communicated with pressure cap through hole 72, places lubrication oil, guarantee that in use lubrication oil plays lubrication to polished rod, prevent from polished rod gets rusty in oil storage box, improves the application life of polished rod.Spring 75 and sponge ring 76 are set in described shoe cream room 74, described sponge ring 76 is positioned at below spring 75, and sponge ring can absorb storage lubrication oil, adopts spring compresses sponge ring the lubrication oil in sponge ring can be extruded, and save lubrication oil, flexible and convenient to use.
Claims (5)
1. a Novel medium voltage polished rod sealer, comprise polished rod sealer body (1), the lock chamber (3) through hole (2) being set in described polished rod sealer body (1) and being communicated with through hole (2), polished rod (4) is set in described through hole (2), sealed packing (5) is set gradually in space between described lock chamber (3) and polished rod (4), packing upper press cover (6), described polished rod (4) sealer upper end arranges the pressure cap (7) for compressing packing upper press cover (6), it is characterized in that: described lock chamber (3) is the wide circular platform type in narrow upper end, lower end, the width of described lock chamber (3) lower end is greater than the width of through hole (2), the shape of described sealed packing (5) and the shape of lock chamber (3) adapt, the upper lubricating arrangement arranged for lubricating polished rod (4) of described pressure cap (7).
2. a kind of Novel medium voltage polished rod sealer according to claim 1, it is characterized in that: described pressure cap (7) comprises pressure cap body (71), in described pressure cap body (71), pressure cap through hole (72) is set, described lubricating arrangement is for being arranged on the oil storage box (73) of pressure cap body (71) upper end, arrange shoe cream room (74) in described oil storage box (73), described shoe cream room (74) is communicated with pressure cap through hole (72).
3. a kind of Novel medium voltage polished rod sealer according to claim 2, it is characterized in that: arrange spring (75) and sponge ring (76) in described shoe cream room (74), described sponge ring (76) is positioned at spring (75) below.
4. a kind of Novel medium voltage polished rod sealer according to claim 2, is characterized in that: described pressure cap body (71) and oil storage box (73) are structure as a whole.
5. a kind of Novel medium voltage polished rod sealer according to claim 1, is characterized in that: described sealed packing (5) is nylon rubber mixing sealed packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940770.4U CN205135510U (en) | 2015-11-23 | 2015-11-23 | Novel middling pressure polished rod sealing ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940770.4U CN205135510U (en) | 2015-11-23 | 2015-11-23 | Novel middling pressure polished rod sealing ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205135510U true CN205135510U (en) | 2016-04-06 |
Family
ID=55621315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520940770.4U Expired - Fee Related CN205135510U (en) | 2015-11-23 | 2015-11-23 | Novel middling pressure polished rod sealing ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205135510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335844A (en) * | 2018-12-19 | 2020-06-26 | 中国石油天然气股份有限公司 | Self-lubricating self-cleaning device of polished rod of oil pumping unit |
-
2015
- 2015-11-23 CN CN201520940770.4U patent/CN205135510U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335844A (en) * | 2018-12-19 | 2020-06-26 | 中国石油天然气股份有限公司 | Self-lubricating self-cleaning device of polished rod of oil pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160406 Termination date: 20161123 |