CN206722788U - Glan and packing box and oil pumper - Google Patents

Abstract

Field of petroleum exploitation is the utility model is related to, discloses a kind of Glan and packing box and oil pumper.The Glan includes the first Glan body, first Glan body include be connected and be coaxially disposed first compress round platform and first connection boss, and it is connected to through the first first through hole for compressing round platform and the first connection boss, and elastic component, one end of elastic component on the first connection boss.Wherein, it is connected on the periphery wall of the first connection boss formed with first annular groove, one end of elastic component in first annular groove.Glan of the present utility model can voluntarily adjust the Glan to the thrust of packing in real time during use, without artificially periodically carrying out fastening adjustment to Glan, to improve the sealing effectiveness of packing box and leakage efficiency.

Description

Glan and packing box and oil pumper

Technical field

The utility model belongs to field of petroleum exploitation, and in particular to a kind of Glan and packing box and oil pumper.

Background technology

In oil pumper, packing box is used to add packing to play sealing function between polished rod and oil pipe, so as to prevent Fluid overflows.The operation principle of current existing packing box is to be rotated down screw thread using packing pressure cap, so as to extrude packing lattice Orchid, packing Glan compress the packing positioned at its lower end and deform upon packing, the deformation of packing add packing and polished rod it Between, the adhesive force between packing and packing, it is achieved thereby that preventing oil gas from revealing and sealing the purpose of well mouth of oil well.

In the operating process of reality, with the continuous upper and lower friction of motion of polished rod, the ring surface of packing can be caused continuous Abrasion, causes it to lose sealing function.In order to maintain the sealing of polished rod, generally require artificially to adjust packing pressure in process of production Cap come to the continuous fastening of packing to ensure sealing effectiveness.However, operating personnel are difficult the fastening dynamics of accurate control packing pressure cap. For example, if packing pressure cap extrudes packing Glan tension, easily accelerate the abrasion of packing, so as to while influence machine adopts efficiency It also add power consumption；If packing pressure cap extruding packing Glan is excessively loose, wellhead sealing effect is directly affected, causes oil gas to let out Dew.Particularly reduced in personnel optimization, in the case that production task is heavy, duty employee must take a considerable amount of time and socialize It is careless slightly in the fastening of packing pressure cap, then black well head is easily caused, oil gas can be caused to reveal when serious.Thus one comes not only The workload of employee is added, and pollutes treatment cost and is continuously increased, has severely impacted the timeliness that drives a well of oil well, and Well control safety risk is also add, reduces the quality of live visualizing management.

In view of above-mentioned problems of the prior art, those skilled in the art wishes to seek a kind of Glan, the Glan Its own thrust to packing can be voluntarily adjusted in real time during use, without artificially periodically being carried out to Glan Fastening adjustment, to improve the sealing effectiveness of packing box and leakage efficiency.

Utility model content

Based on above mentioned problem, the purpose of this utility model, which is to provide one kind, voluntarily to be adjusted in real time during use To the Glan of the thrust of packing, without artificially periodically carrying out fastening adjustment to Glan, to improve the sealing of packing box effect Fruit and leakage efficiency.

According to first aspect of the present utility model, it is proposed that a kind of Glan, including：First Glan body, the first Glan sheet Body include be connected and be coaxially disposed first compress round platform and first connection boss, and through first compress round platform and first connect The first through hole of boss, and elastic component are connect, one end of elastic component is connected on the first connection boss.Wherein, the first connection boss Periphery wall on be connected to formed with first annular groove, one end of elastic component in first annular groove.

Further, Glan also includes the second Glan body, and the second Glan body includes second for being connected and being coaxially disposed Round platform and the second connection boss are compressed, and through the second the second through hole for compressing round platform and the second connection boss, the second through hole Central axis overlapped with the central axis of first through hole, second connection boss periphery wall on formed with the second annular groove, bullet The other end of property part is connected in the second annular groove.

Further, the first Glan body is identical with the second Glan body.

Further, elastic component is cylindrically coiled spring or disk spring.

Further, elastic component is conical helical spring.

According to second aspect of the present utility model, it is proposed that a kind of packing box, including：Housing, the bottom being arranged in housing The packing in portion, the above-mentioned Glan being connected on packing, and can cover in the openend of housing and the packing that is abutted with Glan Pressure cap.Wherein, packing pressure cap can be towards or away from the opening end motion and fixation of housing, so that packing pressure cap is driving Glan is compressed or is maintained at Glan between packing pressure cap and packing with certain prestressing force while stretching, extension.

Further, it is threadedly coupled between packing pressure cap and housing.

Further, the bottom of packing box is coaxially disposed formed with third through-hole, third through-hole with first through hole, and first Through hole is equal with the diameter of third through-hole.

Further, packing box also includes the guiding parts being arranged between housing and packing, and guiding parts includes being used for The inclined-plane being in contact with the side wall of packing, inclined-plane cause diameter of the packing on the direction of the bottom by housing to top gradually to increase Add.

According to the third aspect of the present utility model, it is proposed that a kind of oil pumper, including above-mentioned packing box.

When in use, one end of elastic component is connected the card of the first annular groove on boss with first to Glan of the present utility model Connecing realizes the connection of Glan body and elastic component, and the other end of elastic component is used to abut against with packing, and first compresses round platform work Be that load part is used to receive the effect of external force, when external force, which acts on first, compresses round platform, first compress round platform can band move Property part stretching or compression so that Glan during the use can by elastic component in the elastic potential energy that stores come it is real-time voluntarily The thrust to packing is adjusted, without artificially periodically carrying out fastening adjustment to Glan, therefore greatly increases sealing effect Fruit and leakage efficiency.Meanwhile Glan of the present utility model being applied in combination by Glan body and elastic component so that Glan is formed For " elastic Glan ", compared with rigid Glan of the prior art, that it changes the compression mode to packing, i.e., by original hard Pressure is changed into elasticity pressure now, and its structure is more light and handy, and installation is more convenient laborsaving.In addition, Glan of the present utility model can The structure of existing packing box is not changed, it is only necessary to by existing one piece rigid Glan simply replace, it is suitable It is stronger with property and practicality, be advantageous to be widely popularized and use.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality Draw.

Fig. 1 shows the structural representation of the first embodiment according to Glan of the present utility model；

Fig. 2 shows the structural representation of the first Glan body shown in Fig. 1；

Fig. 3 shows the structural representation of the second embodiment according to Glan of the present utility model；

Fig. 4 shows the structural representation of the second Glan body shown in Fig. 3；

Fig. 5 shows the structural representation according to packing box of the present utility model.

Embodiment

The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this New protection domain.

Fig. 1 shows the structural representation of the first embodiment according to Glan of the present utility model., should with reference to shown in Fig. 3 Glan includes the first Glan body 1, and what the first Glan body 1 included being connected and being coaxially disposed first compresses the company of round platform 11 and first Boss 12 is connect, and through the first first through hole 13 for compressing the connection boss 12 of round platform 11 and first, and elastic component 2, elastic component 2 One end be connected on the first connection boss 12.Wherein, formed with first annular groove on the periphery wall of the first connection boss 12 121, one end of elastic component 2 is connected in first annular groove 121.

When in use, one end of elastic component 2 is connected the first annular groove on boss 12 with first to Glan of the present utility model 121 clamping realizes the connection of the first Glan body 1 and elastic component 2, and the other end of elastic component 2 is used for and (such as Fig. 5 of packing 43 It is shown) abut against, first compresses round platform 11 as effect of the load part for receiving external force, is compressed when external force acts on first During round platform 11, first, which compresses round platform 11, can drive elastic component 2 to stretch or compress so that Glan can pass through during use The elastic potential energy stored in elastic component 2 voluntarily to adjust the thrust to packing 43 in real time, without artificially periodically to Glan Fastening adjustment is carried out, therefore greatly increases sealing effectiveness and leakage efficiency.Meanwhile Glan of the present utility model passes through Glan Body 1 is applied in combination with elastic component 2 so that and Glan is formed as " elastic Glan ", compared with rigid Glan of the prior art, That it changes the compression mode to packing, i.e., is changed into elasticity pressure now from original hard pressure, and its structure is also more light and handy, peace Dress is more convenient laborsaving.In addition, Glan of the present utility model can not change the structure of existing packing box, it is only necessary to will be existing One piece rigid Glan simply replace, and its applicability and practicality are stronger, are advantageous to be widely popularized and use.

It is worth noting that, the species of elastic component 2 of the present utility model can be a variety of, as long as disclosure satisfy that certain Under external force effect, its own can produce enough deformation to store or discharge elastic potential energy, such as spring, elastic caoutchouc Deng.

Fig. 2 shows the structural representation of the second embodiment according to Glan of the present utility model.With the implementation shown in Fig. 1 The difference of example is that with reference to shown in Fig. 3 and Fig. 4, Glan also includes the second Glan body 3 (as shown in Figure 4), the second Glan What body 3 included being connected and being coaxially disposed second compresses round platform 31 and second and connects boss 32, and compresses round platform through second 31 and second connection boss 32 the second through hole 33, the central axis of the second through hole 33 and the central axis weight of first through hole 13 Close, the second annular is connected to formed with the second annular groove 321, the other end of elastic component 2 on the periphery wall of the second connection boss 32 In groove 321.In this embodiment, by setting the second Glan body 3 and the other end of elastic component 2 being connected into the second annular groove In 321, the connection of the first Glan body 1, the Glan body 3 of elastic component 2 and second is on the one hand realized, on the other hand the second Glan The abutting of body 3 and packing 43 (as shown in Figure 5) adds the contact area of Glan and packing 43, so as to make Glan more flat Packing 43 is quietly compressed, to extend the service life of packing while packing box sealing function is ensured.

According to the utility model, the first Glan body 1 be able to can also have with the structure of the second Glan body 3 with identical Institute is different.When the first Glan body 1 is identical with the structure of the second Glan body 3, because Glan only needs to give birth in production The first Glan body 1 of same specification is produced, therefore Glan production efficiency in production is higher, and due to first annular groove 121 is identical with the size of the second annular groove 321, therefore the diameter dimension at the both ends of elastic component 2 also needs identical, therefore elastic component 2 Preferably selection is cylindrically coiled spring or disk spring；When the first Glan body 1 is different from the structure of the second Glan body 3 When, such as the outside dimension of first annular groove 121 is more than the outside dimension or the outer diameter ruler of first annular groove 121 of the second annular groove 321 It is very little be less than the second annular groove 321 outside dimension when, elastic component is preferably chosen as conical helical spring.

Fig. 5 shows the structural representation according to packing box of the present utility model.The packing box includes：Housing 41, set The packing 43 of bottom in housing 41, the above-mentioned Glan being connected on packing 43, and the opening in housing 41 can be covered The packing pressure cap 42 held and abutted with Glan.Wherein, packing pressure cap 42 can towards or away from housing 41 opening end motion simultaneously It is fixed, so that Glan is maintained at disk by packing pressure cap 42 while Glan compression or stretching, extension is driven with certain prestressing force Between root pressure cap 42 and packing 43.

Packing box of the present utility model when in use, first leads to the first Glan body 1, elastic 2, second Glan body 3 Cross the first ring shaped slot 121 and the second annular groove 321 connects as one, realize being flexible coupling for Glan；The Glan that will then connect It is sent to by the top of polished rod 5 in housing 41, the feeding process passes through polished rod 5 by the through hole 33 of first through hole 13 and second of Glan To realize；Elastic component 2 is driven constantly to shrink finally by packing pressure cap 42 is compressed, elastic potential energy is stored, in elastic component 2 Under effect, Glan remains that packing 43 has the deformation quantity of long period, it is achieved thereby that the sealing of packing 43 and polished rod 5 Property., it is necessary to which Glan is disposably pressed into place in the operating process of reality, after the abrasion of packing 43, elastic component 2 slowly discharges Energy simultaneously continues to be pressed down against power packing 43, therefore packing 43 can be kept to have enough deformation all the time, so as to reach more preferable The fastening cycle of packing 43 is extended while ground sealing effectiveness.

It is preferably carried out in mode at one, is threadedly coupled between packing pressure cap 42 and housing 41.The screw thread connects Threaded connection between the internal perisporium of packing pressure cap 42 and the periphery wall of housing 41, under the threaded connection, packing pressure cap 42 Bottom wall abuts against with the first Glan body 1；It can also be the spiral shell between the periphery wall of packing pressure cap 42 and the internal perisporium of housing 41 Line connects, and under the threaded connection, the outer wall of the openend of packing pressure cap 42 abuts against with the first Glan body 1.Such as Fig. 5 institutes Show, packing pressure cap 42 is rotated down fixation relative to housing 41, so as to which Glan is maintained at into packing with certain prestressing force Between pressure cap 42 and packing 43.

As shown in figure 5, the embodiment with reference to shown in Fig. 1, the bottom of packing box is formed with third through-hole 45, third through-hole 45 It is coaxially disposed with first through hole 13, and first through hole 13 is equal with the diameter of third through-hole 45, in order to pass through polished rod 5. With reference to the embodiment shown in Fig. 5 and Fig. 2, third through-hole 45 is coaxially disposed with first through hole 13, the second through hole 33, and first through hole 13rd, the second through hole 33 is equal with the diameter of third through-hole 45.

, can be in housing 41 in order to further improve the sealing effectiveness between packing box and polished rod 45 according to the utility model Guiding parts 44 is set between packing 43, and guiding parts 44 includes being used for the inclined-plane 441 being in contact with the side wall of packing 43, tiltedly Face 441 causes diameter of the packing 43 on the direction of the bottom by housing 41 to top gradually to increase.By the setting, in polished rod During 5 is descending, polished rod 5 is pressed down against packing 43, and inclined-plane 441 adds transverse shear stress power of the packing 43 to polished rod 5, makes disk The pressure that root 43 applies to the surface of polished rod 5 substantially exceeds conventional packing 43 and deformed to pressure caused by polished rod 5, so as to add disk Root 43 is realized by inclined-plane 441 and the guiding of packing 43 is extruded, until the abrasion of old packing is totally to the sealing of polished rod 5.

Packing box of the present utility model extends the service life of packing 43 while ensureing and sealing, and significantly reduces The labor intensity of operating personnel, while oil well production timeliness is also improved, reduce pollution abatement costs, evade well control wind Danger.

In addition, the utility model also proposed a kind of oil pumper, including above-mentioned packing box.Oil pumper of the present utility model exists When above-mentioned packing box is installed, oil pumper can be stopped to nearly bottom dead centre, lay down original packing pressure cap, take out wherein original rigidity Glan, Glan of the present utility model through polished rod 5 and is sent into the bottom of housing 41, packing pressure cap 42 is finally rotated, realizes bullet Property part 2 shrink storage energy.

In the description of the present application, it is to be understood that the instruction such as term " on ", " under ", " top ", " bottom " " interior ", " outer " Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and letter Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that to limitation of the present utility model.In addition, the term " uniform " in the application refer to it is " relatively equal It is even ", if being not particularly illustrated, it is intended that more uniform than the prior art in background technology.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.

Claims (10)

1. A kind of 1. Glan, it is characterised in that including：

   First Glan body, the first Glan body include be connected and be coaxially disposed first compress round platform and first connection it is convex Platform, and through the described first first through hole for compressing round platform and the first connection boss, and

   Elastic component, one end of the elastic component are connected on the first connection boss,

   Wherein, it is connected to institute formed with first annular groove, one end of the elastic component on the periphery wall of the first connection boss State in first annular groove.
2. 2. Glan according to claim 1, it is characterised in that the Glan also includes the second Glan body, and described second What Glan body included being connected and being coaxially disposed second compresses round platform and the second connection boss, and compresses circle through described second Second through hole of platform and the second connection boss, the central axis of second through hole and the central axis weight of the first through hole Close, formed with the second annular groove on the periphery wall of the second connection boss, the other end of the elastic component is connected to described the In second ring groove.
3. 3. Glan according to claim 2, it is characterised in that the first Glan body and this body phase of second Glan Together.
4. 4. Glan according to any one of claim 1 to 3, it is characterised in that the elastic component is cylindrically coiled spring Or disk spring.
5. 5. Glan according to claim 1 or 2, it is characterised in that the elastic component is conical helical spring.
6. A kind of 6. packing box, it is characterised in that including：

   Housing,

   The packing for the bottom being arranged in the housing,

   The Glan according to any one of claim 1 to 5 being connected on the packing, and

   It can cover in the openend of the housing and the packing pressure cap that is abutted with the Glan,

   Wherein, the packing pressure cap can be towards or away from the opening end motion and fixation of the housing, so that the disk The Glan is maintained at the packing pressure by root pressure cap while the Glan compression or stretching, extension is driven with certain prestressing force Between cap and the packing.
7. 7. packing box according to claim 6, it is characterised in that screw thread connects between the packing pressure cap and the housing Connect.
8. 8. packing box according to claim 6, it is characterised in that the bottom of the packing box is formed with third through-hole, institute State third through-hole to be coaxially disposed with the first through hole, and the first through hole is equal with the diameter of the third through-hole.
9. 9. packing box according to claim 6, it is characterised in that the packing box also includes being arranged on the housing and institute The guiding parts between packing is stated, the guiding parts includes being used for the inclined-plane being in contact with the side wall of the packing, described oblique Face causes diameter of the packing on the direction of the bottom by the housing to top gradually to increase.
10. 10. a kind of oil pumper, it is characterised in that including the packing box according to any one of claim 6 to 9.