CN209604233U - Grease divides device for picking - Google Patents

Abstract

The utility model provides a kind of grease and divides device for picking.Grease divides device for picking to include: outer barrel；First valve component, at least partly the first valve component are threaded through in outer barrel and connect with outer barrel, and the first valve component includes the first inner cylinder；Second valve component, connect with hollow rod, and hollow rod drives the second valve component to move in the first inner cylinder, and the second valve component includes the second inner cylinder；Divide and adopts structure, the lower section of the second valve component is all connected with and is located at the first valve component and outer barrel, divide and adopts structure with oil inlet and water inlet, the water for entering water inlet to be discharged via the gap between the first inner cylinder and outer barrel by the pump housing, with by hollow rod the intracorporal movement of the second inner cylinder by enter oil inlet oil liquid via the first inner cylinder, the second inner cylinder after, be expelled to grease out of hollow rod and divide outside device for picking.It is lower that the utility model solves the recovery ratio that grease in the prior art point is adopted, the lower problem of yield.

Description

Grease divides device for picking

Technical field

The utility model relates to oil mining technical fields, divide device for picking in particular to a kind of grease.

Background technique

Currently, produce the middle and later periods in bottom water reservoir, due to bottom water coning, oil well inevitably water breakthrough phenomenon, If not taking rationally effective control water measure, production decline will be caused serious, recovery ratio decline, development effectiveness is deteriorated, part Oil reservoir remaining oil can not produce.Meanwhile the increase of recovered water also increases the processing load of ground installation, increase extraction at This.

In the prior art, it is influenced to reduce bottom water coning, in such a way that two tubing pumps are concatenated, that is, uses exploration and transportation separately Pump point is adopted mixing pump and is exploited to downhole oil, water.However, above-mentioned point is adopted technology, there are upper and lower two tubular types pumpage differences Technical requirements that are small and not being able to satisfy huge discharge (150 sides/day) draining, the recovery ratio for causing grease point to be adopted is lower, reduces production Amount.

Utility model content

The main purpose of the utility model is to provide a kind of greases to divide device for picking, is adopted with solving grease point in the prior art Recovery ratio it is lower, the lower problem of yield.

To achieve the goals above, the utility model provides a kind of grease and divides device for picking, comprising: outer barrel；First valve Body component, at least partly the first valve component are threaded through in outer barrel and connect with outer barrel, and the first valve component includes first Inner cylinder；Second valve component, connect with hollow rod, and hollow rod drives the second valve component in the first inner cylinder Mobile, the second valve component includes the second inner cylinder；Point structure is adopted, be all connected with the first valve component and outer barrel and be located at the The lower section of two valve components, point adopts structure with oil inlet and water inlet, will enter the water of water inlet via the by the pump housing Gap between one inner cylinder and outer barrel is expelled to grease and divides outside device for picking, to pass through hollow rod in the second inner cylinder Movement by enter oil inlet oil liquid via the first inner cylinder, the second inner cylinder after, grease is expelled to out of hollow rod Divide outside device for picking.

Further, the first valve component has the first connected state and use for being connected to the first inner cylinder and oil inlet In the first sealed condition for disconnecting connected state between the first inner cylinder and oil inlet；Second valve component has for being connected to the Second connected state of one inner cylinder and the second inner cylinder and for disconnecting connected state between the first inner cylinder and the second inner cylinder Second sealed condition of state；Wherein, when hollow rod, which is directed away from point direction for adopting structure, to be moved, at the first valve component It is entered in the first inner cylinder in the oil liquid in the first connected state, oil inlet；When hollow rod direction point adopts structure motion When, the second valve component is in the second connected state, and the intracorporal oil liquid of the first inner cylinder enters in the second inner cylinder.

Further, dividing that adopt structure include first pipe, oil inlet is that the fuel feed hole point adopted in structure side wall is arranged in, into Oilhole is connected to first pipe, and first pipe is threadedly coupled or is clamped with the first inner cylinder or connect by fastener.

Further, divide that adopt structure further include second pipe, second pipe and first pipe interval are arranged, and water inlet is to set It sets and is dividing the water inlet adopted in structure, water inlet is connected to second pipe.

Further, the first valve component further includes the first valve body structure connecting with the first inner cylinder, the first valve body knot Structure includes: the first valve bonnet, and with the first inner cylinder towards dividing the one end for adopting structure to connect, the first valve bonnet adopts one end of structure towards dividing With the first opening；First valve seat is arranged in the first valve bonnet and is located at the first opening position；First valve ball, setting On the first valve seat, when so that the first valve ball blocking the first opening, the first valve component is in the first connected state, so that first When valve ball the first opening of evacuation, the first valve component is in the first sealed condition.

Further, the first valve component further include: the first connection structure, the first valve bonnet pass through the first connection structure and the The connection of one inner cylinder, the first connection structure includes sequentially connected first section and second section, first section and the first inner cylinder Body is threadedly coupled, and second section is threadedly coupled with the first valve bonnet；Wherein, the outer diameter of first section is greater than the outer diameter of second section.

Further, the outer surface for adopting structure is divided to be threadedly coupled with the inner surface of outer barrel, the outer wall of first pipe and One valve bonnet is threadedly coupled.

Further, the second valve component further include: the second connection structure, hollow rod by the second connection structure with The connection of second inner cylinder, the second connection structure are tubular structure and are coaxially disposed with hollow rod.

Further, the second valve component further includes the second valve body structure connecting with the second inner cylinder, the second valve body knot Structure includes: the second valve bonnet, and with the second inner cylinder towards dividing the one end for adopting structure to connect, the second valve bonnet adopts one end of structure towards dividing With the second opening；Second valve seat is arranged in the second valve bonnet and is located at the second opening position；Second valve ball, setting On the second valve seat, when so that the second valve ball blocking the second opening, the second valve component is in the second connected state, so that second When valve ball the second opening of evacuation, the second valve component is in the second sealed condition.

Further, grease divides device for picking further include: box cupling on oil pipe, outer barrel are connected by box cupling on oil pipe and oil pipe It connects, box cupling is threadedly coupled or is clamped with outer barrel or connect by fastener on oil pipe.

Using the technical solution of the utility model, divide in device for picking operational process in grease, hollow rod drives second Valve component moves in the first inner cylinder, so as to enter point oil liquid for the oil inlet for adopting structure in the upper and lower of hollow rod In stroke via the first inner cylinder, the second inner cylinder after, be expelled to grease out of hollow rod and divide outside device for picking.Meanwhile into Enter point water for the water inlet for adopting structure and is expelled to oil via the gap between the first inner cylinder and outer barrel under the action of the pump housing Outside moisture device for picking, to realize that oil, dividing for water are adopted.

With being carried out compared with point adopting using double-acting pump to oil, water in the prior art, the grease in the application divides device for picking to make Oily well oil, point adopting for water are more easier, are easy, shorten and point adopt time-consuming, increase recovery ratio, and then solve existing skill The recovery ratio that grease point is adopted in art is lower, the lower problem of yield.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the partial sectional view that grease according to the present utility model divides the embodiment of device for picking；And

Fig. 2 shows the cross-sectional views for point adopting structure that the grease in Fig. 1 divides device for picking.

Wherein, the above drawings include the following reference numerals:

10, outer barrel；20, the first valve component；21, the first inner cylinder；211, the first opening；22, the first valve bonnet；23, First valve seat；24, the first valve ball；25, the first connection structure；30, the second valve component；31, the second inner cylinder；32, second connects Binding structure；33, the second valve bonnet；34, the second valve seat；35, the second valve ball；40, divide and adopt structure；41, oil inlet；42, water inlet； 43, first pipe；44, second pipe；50, box cupling on oil pipe；130, lower crossover sub is pumped.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application The normally understood identical meanings of person of an ordinary skill in the technical field.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is usually to be directed to For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding And description, " left and right " is usually for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component itself It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.

Lower in order to solve the recovery ratio that grease point is adopted in the prior art, the lower problem of yield, this application provides one Kind grease divides device for picking.

As shown in Figure 1, grease divides device for picking to include outer barrel 10, the first valve component 20, the second valve component 30 and divide Adopt structure 40.Wherein, at least partly the first valve component 20 is threaded through in outer barrel 10 and connect with outer barrel 10, the first valve body Component 20 includes the first inner cylinder 21.Second valve component 30 is connect with hollow rod, and hollow rod drives the second valve body Component 30 moves in the first inner cylinder 21, and the second valve component 30 includes the second inner cylinder 31.Divide and adopts structure 40 and the first valve Body component 20 and outer barrel 10 are all connected with and are located at the lower section of the second valve component 30, point adopt structure 40 with oil inlet 41 and into The mouth of a river 42, to be expelled to the water for entering water inlet 42 via the gap between the first inner cylinder 21 and outer barrel 10 by the pump housing Grease divides outside device for picking, with by movement of the hollow rod in the second inner cylinder 31 by enter oil inlet 41 oil liquid via After first inner cylinder 21, the second inner cylinder 31, grease is expelled to out of hollow rod and is divided outside device for picking.

Using the technical solution of the present embodiment, divide in device for picking operational process in grease, hollow rod drives the second valve Body component 30 moves in the first inner cylinder 21, so as to enter point oil liquid for the oil inlet 41 for adopting structure 40 in hollow rod After above and below in stroke via the first inner cylinder 21, the second inner cylinder 31, grease is expelled to out of hollow rod and divides device for picking Outside.Meanwhile into the water for the water inlet 42 for point adopting structure 40 under the action of the pump housing via the first inner cylinder 21 and outer barrel 10 Between gap be expelled to grease and divide outside device for picking, to realize that oil, water point are adopted.

With being carried out compared with point adopting using double-acting pump to oil, water in the prior art, the grease in the present embodiment divides device for picking So that point adopting for oily well oil, water is more easier, is easy, shortens and point adopt time-consuming, increase recovery ratio, and then solve existing The recovery ratio that grease point is adopted in technology is lower, the lower problem of yield.

In the present embodiment, the first valve component 20, which has, connects for being connected to the first inner cylinder 21 with the first of oil inlet 41 Logical state and the first sealed condition for disconnecting connected state between the first inner cylinder 21 and oil inlet 41.Second valve component 30 have the second connected state for being used for being connected to the first inner cylinder 21 and the second inner cylinder 31 and for disconnecting the first inner cylinder 21 Second sealed condition of connected state between the second inner cylinder 31.Wherein, point structure 40 is adopted when hollow rod is directed away from Direction movement when, the first valve component 20 is in the first connected state, and the oil liquid in oil inlet 41 enters to the first inner cylinder In 21；When hollow rod direction point, which adopts structure 40, to be moved, the second valve component 30 is in the second connected state, the first inner cylinder Oil liquid in body 21 enters in the second inner cylinder 31.

Specifically, when hollow rod drives the second valve component 30 to move upwards in the first inner cylinder 21, second Valve component 30 is in the second connected state, so that the oil liquid oil inlet oil inlet 41 in oil well enters in the second inner cylinder 31； When hollow rod drives the second valve component 30 to move downward in the first inner cylinder 21, the second valve component 30 is in the Two sealed conditions, the first valve component 20 are in the first connected state, so that the oil liquid in the second inner cylinder 31 enters to In first inner cylinder 21.Later, oil liquid is expelled to grease out of hollow rod hollow passageway and divides outside device for picking.

As shown in Fig. 2, point adopting structure 40 includes first pipe 43, oil inlet 41 is to be arranged in point to adopt on 40 side wall of structure Fuel feed hole, fuel feed hole are connected to first pipe 43, and first pipe 43 is threadedly coupled with the first inner cylinder 21.In this way, above structure Structure it is simple, be easily worked, realize.Meanwhile first pipe 43 and the above-mentioned connection type of the first inner cylinder 21 make the two Dismounting be more easier, be easy, reduce the labor intensity of staff.

Specifically, first pipe 43 has external screw thread, and the first inner cylinder 21 has the internal screw thread being threadedly coupled with it, passes through Threaded connection between the two is to realize the cooperation between first pipe 43 and the first inner cylinder 21.

It should be noted that first pipe 43 and the connection type of the first inner cylinder 21 are without being limited thereto.Optionally, the first pipe Road 43 is clamped with the first inner cylinder 21 or is connect by fastener.In this way, above-mentioned setting is so that first pipe 43 and the first inner cylinder The dismounting of body 21 is more easier, is easy, reduces the labor intensity of staff.

As shown in Fig. 2, point adopting structure 40 further includes second pipe 44, second pipe 44 and the interval of first pipe 43 are arranged, Water inlet 42 is that the water inlet point adopted in structure 40 is arranged in, and water inlet is connected to second pipe 44.In this way, above-mentioned setting so that Oil liquid circulation passage and water flow circulation passage interval are arranged, and will not interfere, and then guarantee oil liquid and water energy is enough point is adopting structure It circulates respectively in 40, to realize that grease divides device for picking to adopt dividing for grease.Meanwhile the structure of above structure is simple, is easily worked, It realizes, reduces the processing cost that grease divides device for picking.

As shown in Figure 1, the first valve component 20 further includes the first valve body structure connecting with the first inner cylinder 21, the first valve Body structure includes the first valve bonnet 22, the first valve seat 23 and the first valve ball 24.Wherein, 21 direction of the first valve bonnet 22 and the first inner cylinder Divide one end connection for adopting structure 40, the first valve bonnet 22 has the first opening 211 towards point one end for adopting structure 40.First valve seat 23 It is arranged in the first valve bonnet 22 and is located at the first 211 positions of opening.First valve ball 24 is arranged on the first valve seat 23, with When the first valve ball 24 being made to block the first opening 211, the first valve component 20 is in the first connected state, so that the first valve ball 24 is kept away Allow the first opening 211 when, the first valve component 20 is in the first sealed condition.In this way, driving the second valve body in hollow rod Component 30 can be realized the first valve ball 24 and block the first opening 211 or evacuation the in the first inner cylinder 21 in motion process One opening, 211 setting pumps the oil liquid in oil well to the first inner cylinder 21 by oil inlet 41.

As shown in Figure 1, the first valve component 20 further includes the first connection structure 25.Wherein, the first valve bonnet 22 passes through first Connection structure 25 is connect with the first inner cylinder 21, and the first connection structure 25 includes sequentially connected first section and second section, First section is threadedly coupled with the first inner cylinder 21, and second section is threadedly coupled with the first valve bonnet 22.Wherein, first section is outer Diameter is greater than the outer diameter of second section.In this way, realizing the company of the first valve bonnet 22 and the first inner cylinder 21 by the first connection structure 25 It connects, so that the dismounting of the first valve bonnet 22 and the first inner cylinder 21 is more easier, is easy, the labour for reducing staff is strong Degree.

In the present embodiment, the outer surface for adopting structure 40 and the inner surface of outer barrel 10 is divided to be threadedly coupled, first pipe 43 Outer wall be threadedly coupled with the first valve bonnet 22.In this way, above-mentioned setting so that grease divides the dismounting of device for picking to be more easier, shortens Dismounting is time-consuming, reduces the operation difficulty of staff.

As shown in Figure 1, the second valve component 30 further includes the second connection structure 32.Wherein, hollow rod passes through second Connection structure 32 is connect with the second inner cylinder 31, and the second connection structure 32 is tubular structure and is coaxially disposed with hollow rod. It is compact in this way, above-mentioned setting is so that grease divides the internal structure of device for picking more reasonable so that grease divide device for picking dismounting, Maintenance is more easier, is easy.

As shown in Figure 1, the second valve component 30 further includes the second valve body structure connecting with the second inner cylinder 31, the second valve Body structure includes the second valve bonnet 33, the second valve seat 34 and the second valve ball 35.Wherein, 31 direction of the second valve bonnet 33 and the second inner cylinder Divide one end connection for adopting structure 40, the second valve bonnet 33 has the second opening towards point one end for adopting structure 40.Second valve seat 34 is set It sets in the second valve bonnet 33 and is located at the second opening position.Second valve ball 35 is arranged on the second valve seat 34, so that the When two valve balls 35 block the second opening, the second valve component 30 is in the second connected state, so that the second valve ball 35 evacuation second When opening, the second valve component 30 is in the second sealed condition.In this way, driving the second valve component 30 the in hollow rod In one inner cylinder 21 in motion process, it can be realized the second valve ball 35 for the second opening and block or avoid the second opening setting, with Oil liquid in first inner cylinder 21 is pumped in the second inner cylinder 31, so that oil liquid can be from the hollow passageway of hollow rod Grease is expelled to divide outside device for picking.

As shown in Figure 1, grease divides device for picking to further include box cupling 50 on oil pipe.Wherein, outer barrel 10 passes through box cupling on oil pipe 50 connect with oil pipe, and box cupling 50 is threadedly coupled with outer barrel 10 on oil pipe.In this way, above-mentioned setting is so that outer barrel 10 and oil pipe Dismounting is more easier, and reduces the labor intensity of staff.

It should be noted that box cupling 50 and the connection type of outer barrel 10 are without being limited thereto on oil pipe.Optionally, it is connect on oil pipe Hoop 50 is clamped with outer barrel 10 or is connect by fastener.In this way, above-mentioned setting so that the dismounting of outer barrel 10 and oil pipe more It is easy, reduces the labor intensity of staff.

As shown in Figure 1, grease divides device for picking to further include pumping lower crossover sub 130.Wherein, divide and adopt structure 40 and pass through with oil pipe It pumps lower crossover sub 130 to be connected to, so that being located at point water for adopting 40 lower section of structure enters to point water inlet for adopting structure 40 by oil pipe Mouth 42, and then guarantee that grease divides device for picking that can operate normally, promote the operational reliability that grease divides device for picking.

In the present embodiment, box cupling 50 and outer barrel 10 form outer working tube component, the first inner cylinder 21, first on oil pipe Connection structure 25, the first valve seat 23, the first valve ball 24, point is adopted structure 40 and is pumped in lower crossover sub 130 forms first valve bonnet 22 Work cartridge module.Interior work cartridge module is inserted into outer working tube component, the two is adopted between structure 40 and outer barrel 10 by dividing Threaded connection be attached.The lower end for pumping lower crossover sub 130 is attached with submersible pump assembly, and box cupling 50 is upper on oil pipe G.I.H designated layer position after end is connect with tubing round thread is located at oil reservoir corresponding position, submersible pump assembly so as to divide and adopt structure 40 Suction inlet be located at water layer corresponding position, grease zonal isolation passes through the packer in supporting tool and realizes.Secondly, second is connected Binding structure 32, the second inner cylinder 31, the second valve bonnet 33, the second valve seat 34 and the second valve ball 35 are connected through a screw thread, composition movement Component, the second connection structure 32 are process by hollow rod, and there are runner, the second inner cylinder 31 and the first inner cylinder 21 in centre The upper end of clearance fit, the second connection structure 32 is connected with hollow rod by fastener for sucker rod, the hollow oil pumping that will be connected In bar tripping in oil pipe.

In the present embodiment, grease divides the working principle of device for picking as follows:

Hollow rod does upper and lower reciprocating motion under the driving of pumping unit, drives the second connection structure 32 in first Movement, 21 clearance fit of the second connection structure 32 and the first inner cylinder in cylinder 21.When hollow rod carries out up stroke, the One valve ball 24 opens the first opening 211, and the oil inlet 41 that oil liquid is excessively adopted structure 40 enters the first inner cylinder 21.Hollow When sucker rod carries out down stroke, the first valve ball 24 closes the first opening 211, and the second valve ball 35 opens the second opening, oil liquid Ground is given rise to by hollow rod internal channel, to realize the oil pumping operation to oil reservoir.Meanwhile the water in water layer is in the pump housing Respectively by pumping lower crossover sub 130, dividing and adopt between structure 40, the first inner cylinder 21 and outer barrel 10 under the action of (electric submersible pump) Annular space, ground is discharged to by the annular space of hollow rod and oil pipe, to realize to the draining of water layer.Wherein, divide It adopts structure 40 to combine oil pumping operation and draining, realizes grease device for picking is divided to carry out grease in underground and point adopt and ground The function that grease point is defeated, measures.

It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:

Divide in device for picking operational process in grease, hollow rod drives the second valve component to move in the first inner cylinder It is dynamic, so as to enter point oil liquid for the oil inlet for adopting structure in the upper and lower stroke of hollow rod via the first inner cylinder, second After inner cylinder, grease is expelled to out of hollow rod and is divided outside device for picking.Meanwhile it being pumped into point water for the water inlet for adopting structure Grease is expelled to via the gap between the first inner cylinder and outer barrel under the action of body to divide outside device for picking, it is oily, water to realize Divide and adopts.

With being carried out compared with point adopting using double-acting pump to oil, water in the prior art, the grease in the application divides device for picking to make Oily well oil, point adopting for water are more easier, are easy, shorten and point adopt time-consuming, increase recovery ratio, and then solve existing skill The recovery ratio that grease point is adopted in art is lower, the lower problem of yield.

Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The range of the utility model protection all should belong in the every other embodiment obtained.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, work, device, component and/or their combination.

It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein Or the sequence other than those of description is implemented.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of grease divides device for picking characterized by comprising

Outer barrel (10)；

First valve component (20), at least partly described first valve component (20) be threaded through in the outer barrel (10) and with institute Outer barrel (10) connection is stated, first valve component (20) includes the first inner cylinder (21)；

Second valve component (30), connect with hollow rod, and the hollow rod drives second valve component (30) It is moved in first inner cylinder (21), second valve component (30) includes the second inner cylinder (31)；

Divide and adopt structure (40), be all connected with first valve component (20) and the outer barrel (10) and be located at second valve The lower section of body component (30), described point is adopted structure (40) with oil inlet (41) and water inlet (42), will enter by the pump housing The water of the water inlet (42) is expelled to described via the gap between first inner cylinder (21) and the outer barrel (10) Grease divides outside device for picking, will enter the oil inlet by mobile in second inner cylinder (31) of the hollow rod After the oil liquid of mouth (41) is via first inner cylinder (21), second inner cylinder (31), arranged out of described hollow rod Divide outside device for picking to the grease out.

2. grease according to claim 1 divides device for picking, which is characterized in that

First valve component (20) has first for being connected to first inner cylinder (21) and the oil inlet (41) Connected state and for disconnecting connected state between first inner cylinder (21) and the oil inlet (41) first block shape State；

Second valve component (30) has for being connected to first inner cylinder (21) and second inner cylinder (31) Second connected state and for disconnecting connected state between first inner cylinder (21) and second inner cylinder (31) Two sealed conditions；

Wherein, when the hollow rod is directed away from the described point of direction movement for adopting structure (40), the first valve body group Part (20) is in first connected state, and the oil liquid in the oil inlet (41) enters in first inner cylinder (21)； When the hollow rod adopts structure (40) movement towards described point, second valve component (30) is in described second and connects Lead to state, the oil liquid in first inner cylinder (21) enters in second inner cylinder (31).

3. grease according to claim 2 divides device for picking, which is characterized in that it includes first pipe that described point, which is adopted structure (40), (43), the oil inlet (41) is that fuel feed hole on structure (40) side wall is adopted in setting at described point, the fuel feed hole and described the One pipeline (43) connection, the first pipe (43) are threadedly coupled or are clamped or pass through fastener with first inner cylinder (21) Connection.

4. grease according to claim 3 divides device for picking, which is characterized in that it further includes the second pipe that described point, which is adopted structure (40), Road (44), the second pipe (44) and the first pipe (43) interval are arranged, and the water inlet (42) is to be arranged described Divide the water inlet adopted on structure (40), the water inlet is connected to the second pipe (44).

5. grease according to claim 3 divides device for picking, which is characterized in that first valve component (20) further include with First valve body structure of the first inner cylinder (21) connection, first valve body structure include:

First valve bonnet (22), the one end for adopting structure (40) towards described point with first inner cylinder (21) are connect, and described first One end that valve bonnet (22) adopts structure (40) towards described point has the first opening (211)；

First valve seat (23), setting is in first valve bonnet (22) and is located at described first opening (211) position；

First valve ball (24) is arranged on first valve seat (23), opens so that first valve ball (24) blocks described first When mouth (211), first valve component (20) is in first connected state, so that first valve ball (24) avoids institute When stating the first opening (211), first valve component (20) is in first sealed condition.

6. grease according to claim 5 divides device for picking, which is characterized in that first valve component (20) further include:

First connection structure (25), first valve bonnet (22) pass through first connection structure (25) and first inner cylinder (21) connect, first connection structure (25) includes sequentially connected first section and second section, first section with First inner cylinder (21) is threadedly coupled, and second section is threadedly coupled with first valve bonnet (22)；Wherein, described The outer diameter of a tin section is greater than the outer diameter of second section.

7. grease according to claim 5 divides device for picking, which is characterized in that the described point of outer surface for adopting structure (40) and institute The inner surface for stating outer barrel (10) is threadedly coupled, and the outer wall of the first pipe (43) and the first valve bonnet (22) screw thread connect It connects.

8. grease according to claim 3 divides device for picking, which is characterized in that second valve component (30) further include:

Second connection structure (32), the hollow rod pass through second connection structure (32) and second inner cylinder (31) it connects, second connection structure (32) is tubular structure and is coaxially disposed with the hollow rod.

9. grease according to claim 2 divides device for picking, which is characterized in that second valve component (30) further include with Second valve body structure of the second inner cylinder (31) connection, second valve body structure include:

Second valve bonnet (33), the one end for adopting structure (40) towards described point with second inner cylinder (31) are connect, and described second One end that valve bonnet (33) adopts structure (40) towards described point has the second opening；

Second valve seat (34), setting is in second valve bonnet (33) and is located at the second opening position；

Second valve ball (35) is arranged on second valve seat (34), opens so that second valve ball (35) blocks described second Mouthful when, second valve component (30) be in second connected state, so that second valve ball (35) avoids described the When two openings, second valve component (30) is in second sealed condition.

10. grease according to claim 1 divides device for picking, which is characterized in that the grease divides device for picking further include:

Box cupling (50) on oil pipe, the outer barrel (10) is connect by box cupling (50) on the oil pipe with oil pipe, on the oil pipe Box cupling (50) is threadedly coupled or is clamped with the outer barrel (10) or connect by fastener.