CN209603928U - A kind of compression anchor packer - Google Patents

Abstract

The utility model discloses a kind of compression anchor packers, including first pipe, the bottom of the first pipe is provided with fixed column, and the first limit plate is provided on the outside of fixed top end, the bottom of the first pipe is provided with card column, first sliding groove is provided on the outside of the fixed column, and be provided with second sliding slot on the outside of first sliding groove bottom end, the first sliding groove internal slide is connected with sliding block, and the end of sliding block is equipped with second pipe.The utility model is cooperated by the first limit plate of setting and the second limit plate, the through-hole of first limit plate surface is closely fitted with the second limit plate and completes the effect of sealing, it is interacted by the card column and card slot of setting, and the effect of secondary seal is completed under the action of gasket, two ways combines so that sealing effect is more preferable, from the safety index to improve underground mining, it is matched respectively at first sliding groove with second sliding slot by the sliding block of setting, so that second pipe movement is more convenient.

Description

A kind of compression anchor packer

Technical field

The utility model relates to oil field packer field, specially a kind of compression anchor packer.

Background technique

Packer is used to be layered in petroleum production engineering, and design has oil channel on packer, when setting, piston bush uplink, Oil channel is opened；After setting, upper stressor layer is acted on dummy piston, pushes up packing element, makes to unseal pin from shearing Power；When deblocking, deblocking pin is cut by the frictional force of packing element and casing, piston bush downlink closes oil channel, while packer Type is more, and two anchor packer use scopes are wider, but present anchor packer sealing effect is bad, leads to have liquid Body leaks outward, and work is caused to be hindered, and influences the downhole safety in oil field, while controlling the opening and closing step of packer It is complex, cause working efficiency to reduce.

Utility model content

The purpose of this utility model is to provide a kind of compression anchor packers, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of compression anchor packer, including the One pipeline, the bottom of the first pipe is provided with fixed column, and is provided with the first limit plate on the outside of fixed top end, described The bottom of first pipe is provided with card column, and first sliding groove, and the outside of first sliding groove bottom end are provided on the outside of the fixed column It is provided with second sliding slot, the first sliding groove internal slide is connected with sliding block, and the end of sliding block is equipped with second pipe, described Second pipe is internally provided with cavity, and the inner wall of cavity is fixed with the second limit plate, the outside at the top of the second pipe It is provided with the card slot matched with card column, and the two sides inside card slot are equipped with reset spring.

Preferably, first limit plate and the second limit plate are intermeshed, and the surface of the first limit plate is uniformly arranged There is through-hole.

Preferably, it is provided with cushion rubber on the outside of the first pipe, and at the position that contacts with second pipe of first pipe It is provided with gasket.

Preferably, the number of the first sliding groove is three groups, and first sliding groove and second sliding slot are perpendicular.

Preferably, the number of the reset spring is two groups, and the head end of reset spring described in two groups and the bottom of card column are solid Fixed connection.

Preferably, first limit plate is connected with first pipe.

Compared with prior art, the utility model has the beneficial effects that first limit plate of the utility model by setting With the second limit plate cooperate, enable first limit plate surface through-hole closely fit with the second limit plate complete it is close The effect of envelope is interacted by the card column and card slot of setting, and completes the effect of secondary seal under the action of gasket, and two Kind mode combines so that sealing effect is more preferable, and from the safety index to improve underground mining, the sliding block for passing through setting is distinguished It matches in first sliding groove with second sliding slot, so that second pipe movement is more convenient, sliding block is limited by second sliding slot The purpose persistently opened is completed in position, and the reset spring of setting enables to second pipe to be mutually closed with first pipe rapidly, convenient The operation of the device is to improve working efficiency.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the opening overall schematic of the utility model；

Fig. 3 is first limit plate and the second limit plate fit structure schematic diagram of the utility model.

In figure: 1, first pipe；2, cushion rubber；3, gasket；4, second pipe；5, fixed column；6, through-hole；7, bullet is resetted Spring；8, cavity；9, card column；10, the first limit plate；11, card slot；12, the second limit plate；13, first sliding groove；14, second is sliding Slot；15, sliding block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of compression anchor packer, including first Pipeline 1, the bottom of first pipe 1 is provided with fixed column 5, and the first limit plate 10 is provided on the outside of 5 top of fixed column, and first The bottom of pipeline 1 is provided with card column 9, and the outside of fixed column 5 is provided with first sliding groove 13, and sets on the outside of 13 bottom end of first sliding groove It is equipped with second sliding slot 14,13 internal slide of first sliding groove is connected with sliding block 15, and the end of sliding block 15 is equipped with second pipe 4, Second pipe 4 is internally provided with cavity 8, and the inner wall of cavity 8 is fixed with the second limit plate 12, outer at the top of second pipe 4 Side is provided with the card slot 11 matched with card column 9, and the two sides inside card slot 11 are equipped with reset spring 7.

The utility model is cooperated by the first limit plate 10 of setting and the second limit plate 12, so that the first limit plate The through-hole 6 on 10 surfaces, which can closely fit with the second limit plate 12, completes the effect of sealing, passes through the card column 9 and card slot of setting 11 interaction, and under the action of gasket complete secondary seal effect, two ways combine so that sealing effect more It is good.

It please focus on refering to Fig. 2 and 3, the first limit plate 10 and the second limit plate 12 are intermeshed, and the first limit plate 10 Surface is evenly arranged with through-hole 6, and the first limit plate 10 is connected with first pipe 1.

This kind of compression anchor packer is matched by the first limit plate 10 and the second limit plate 12 of setting, completion pair The opening and closing of through-hole 6 can make liquid flow by through-hole 6 by the way that the first limit plate is connected with first pipe 1 In first pipe 1.

Please be emphatically refering to fig. 1 with 2, the outside of first pipe 1 is provided with cushion rubber 2, and first pipe 1 connects with second pipe 4 Gasket 3 is provided at the position of touching, the number of reset spring 7 is two groups, the head end of two groups of reset springs 7 and the bottom of card column 9 Portion is fixedly connected.

This kind of compression anchor packer is fixed first pipe 1 by the cushion rubber 2 of setting, the sealing of setting Pad 3 completes the effect of sealing in the case where card slot 11 is matched with card column 9, can be so as to by two groups of reset springs 7 of setting It is again sealed off in second pipe 4 and first pipe 1.

Please be emphatically referring to Fig.2, the number of first sliding groove 13 be three groups, and first sliding groove 13 and second sliding slot 14 are perpendicular.

This kind of compression anchor packer is perpendicular by the second sliding slot 14 and first sliding groove 13 of setting, is convenient for sliding block 15 Second pipe 4 is fixed in rotation, keeps through-hole 6 unimpeded for a long time.

First pipe 1: being inserted into casing by working principle first, and under the action of cushion rubber 2, cushion rubber 2 expands so that first Pipeline 1 is fixed in casing, and sealing effect is good, pulls casing later, and casing drives first pipe 1 to move upwards, at this time Sliding block 15 is moved to the bottom of first sliding groove 13, and sliding block 15 drives second pipe 4 to move downward, the first limit plate 10 and the second limit Position plate 12 separates, and through-hole 6 is exposed, and completes the purpose of the opening of packer, later revoling tube, and casing passes through the first pipe Road 1 is moved with 15 phase second sliding slot 14 of movable slider, when sliding block 15 is in second sliding slot 14, completes consolidating to second pipe 4 Fixed and limit keeps the lasting unimpeded of through-hole 6, when not needing work, reversely rotates casing again, casing passes through first pipe 1 band movable slider 15 leaves second sliding slot 14, and under the action of reset spring 7, sliding block 15 is risen rapidly, and sliding block 15 passes through second Pipeline 4 drives the second limit plate 12 to be bonded with the first limit plate 10, completes the closing of through-hole 6, and card column 9 enters card slot 11 at this time In, under the action of gasket 3, so that the device sealing effect is more preferable.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of compression anchor packer, including first pipe (1), it is characterised in that: the bottom of the first pipe (1) is set It is equipped with fixed column (5), and is provided with the first limit plate (10) on the outside of fixed column (5) top, the bottom of the first pipe (1) It is provided with card column (9), is provided with first sliding groove (13) on the outside of the fixed column (5), and the outside of first sliding groove (13) bottom end It is provided with second sliding slot (14), first sliding groove (13) internal slide is connected with sliding block (15), and the end peace of sliding block (15) Equipped with second pipe (4), the second pipe (4) is internally provided with cavity (8), and the inner wall of cavity (8) is fixed with second Limit plate (12), the outside at the top of the second pipe (4) are provided with the card slot (11) matched with card column (9), and card slot (11) internal two sides are equipped with reset spring (7).

2. a kind of compression anchor packer according to claim 1, it is characterised in that: first limit plate (10) with Second limit plate (12) intermeshing, and the surface of the first limit plate (10) is evenly arranged with through-hole (6).

3. a kind of compression anchor packer according to claim 1, it is characterised in that: outside the first pipe (1) Side is provided with cushion rubber (2), and is provided with gasket (3) at the position that contacts with second pipe (4) of first pipe (1).

4. a kind of compression anchor packer according to claim 1, it is characterised in that: the number of the first sliding groove (13) Mesh is three groups, and first sliding groove (13) and second sliding slot (14) are perpendicular.

5. a kind of compression anchor packer according to claim 1, it is characterised in that: the number of the reset spring (7) Mesh is two groups, and the head end of reset spring described in two groups (7) is fixedly connected with the bottom of card column (9).

6. a kind of compression anchor packer according to claim 1, it is characterised in that: first limit plate (10) with First pipe (1) is connected.