CN2748630Y - Multifunctional anti-theft plug - Google Patents

Abstract

The utility model discloses a multifunctional anti-theft plug which belongs to the mechanical product of the oil industry aspect. The utility model relates to a multifunctional anti-theft plug of the oilfield christmas tree nozzle sleeve which can replace the oilfield multifunction tank gate valve plug. The multifunctional anti-theft plug is mainly provided with a plier entering and retracting device, a cipher adjusting device and a gate valve device which are connected with the plug into integration. The central hole of the plier entering and retracting device is mainly composed of a spiral sleeve (5), a square wedge (7) and a plug. The hole at left side of the adjusting device is mainly composed of an adjusting rod (6), a sliding block (4) and a screw sleeve (5). The hole at right side of the gate valve device is mainly provided with a sliding sleeve (11), a steel ball (10) and a spring (3) in the oil passage valve seat arranged in the plug cover. The beneficial effect is that the multifunctional anti-theft plug has antitheft, taking samples and side pressure effects. The multifunctional anti-theft plug has compact and perfect structure which is in favor of management and the multifunctional anti-theft plug has favourable antitheft effect.

Description

The multifunctional burglary-resistant plug

One, technical field

The utility model belongs to the engineering goods of petroleum industry aspect, relates to oil nozzle cover plug, particularly a kind of oil field oil recovery muzzle multifunctional burglary-resistant plug, and it can also substitute oil field multifunctional jar gate valve plug.

Two, background technology

At petroleum industry system, our employed production tree oil nozzle cover is a kind of traditional filled circles taper thread shape substantially at present, connects with the oil nozzle external threading to rotatably compress the formula structure, is used for the usefulness that oil well is changed oil nozzle, when plug reinstalls the oil nozzle cover, six quadrate part branches of plug are exposed, and the stolen molecule is laid down plug with instrument, carries out stolen, not only national economy incurs loss, and contaminated environment, we must effect a radical cure, and eliminate this hidden danger.

Three, summary of the invention

According to above be body, the purpose of this utility model provides the multifunctional burglary-resistant plug, the technical problem that solves provides a kind of shortcoming or deficiency that can overcome or avoid above-mentioned prior art, the profile and the handling characteristics that had both had common plug have antitheft again and sampling reaches the multi-functional plug of observing pressure at any time.

Multifunctional burglary-resistant plug and traditional plug are closely similar from seeing in appearance, install, operation is very easy, the deficiency and the defective of traditional plug have well been solved, plug foreign side expose portion is clamped in the plug body, do not knowing under the situation of password, can't dismantle plug, so fundamentally solved antitheft problem.

The technical solution of the utility model solves in the following manner: the multifunctional burglary-resistant plug by plug body, plug lid, adjust that screw rod, slide block, screw-casing, side are carved, sliding sleeve, steel ball, spring etc. form.It is characterized in that the plug body is the tapered tread build, be provided with centre bore (promptly pincers are gone into extractor), left hole (adjustment encryption apparatus), and right ports (gate-valve device) to vertical outer face by the plug body.The plug body is connected by bolt with the plug lid, becomes the integral body of this structure.(1) plug body centre bore is provided with screw-casing and square carving, and the screw-casing external screw thread is carved internal thread with the side and is connected with a joggle, and carve and moves up or down screw-casing rotation drive side on the annulus cover fulcrum of plug body, and the purpose that clamps and withdraw from is carved by the side of reaching.(2) plug body left hole is provided with and adjusts screw rod, slide block, clamp respectively in the rotational axis hole at plug body and plug lid two ends at the screw rod two ends, slide block is provided with screwed hole and is meshed with screw rod, slide block is that semicircle is square on one side on one side, shape is identical with the slide block shape in the vestibule of left side, when rotating adjusting lever, slide block is subjected to the rotation restriction in the chamber, can only do to move up and down under screw rod promotes.Plane at slide block has groove, and is corresponding with screw-casing six sides of centre bore, when at once, screw-casing is rotatable, and when rotating screw bolt made slide block up or down, the slide block groove part can not be corresponding with groove, at this moment, screw-casing is stuck by slide block, and screw-casing can not be opened, has only the grasp password, upwards or from top dead centre move down the number of turns that sets from lower dead center, make groove corresponding with six sides, password is untied, screw-casing rotates, and carve and just can clamp and withdraw from the side.(3) plug body right ports is a gate-valve device, and plug body lower end is a screwed hole, and the inner is a cylindrical hole, the upper end is connected with plug lid road, is provided with valve seat in the oil duct, and steel ball and spring are housed, compressed by union cap (UC), in the inner circular hole sliding sleeve is housed, corresponding with steel ball, when external connector being packed into the lower end snail pit, sliding sleeve is pushed to reach, backs down steel ball this moment, oil duct is opened, and oil flows out, but sample examination, if do not take a sample, can observe the well head operating pressure at external connector other end cut-in pressure table.When pulling down external connector, under spring action, right ports can be closed oil duct automatically.

Main beneficial effect of the present utility model is to become Trinitarian antitheft, sampling, pressure tester, the common plug that original producing well production tree oil nozzle is overlapped is exposed to six square tongs of outside and goes into in the plug body, make the stolen molecule dismantle plug with instrument, make production tree more perfect aspect antitheft, sampling, the pressure measurement, be convenient to the management.

Four, description of drawings

Fig. 1 is a cross-sectional view of the present utility model;

Fig. 2 is a plan structure schematic diagram of the present utility model.

Among the figure 1, the plug lid, 2, pressure cap, 3, spring, 4, slide block, 5, screw-casing, 6, adjusting lever, 7, the side carves, 8, the plug body, 9, nut, 10, steel ball, 11, sliding sleeve, 12, right ports (gate-valve device), 13, centre bore (pincers are gone into extractor), 14, left hole (adjustment encryption apparatus)

Five, embodiment

As seen from Figure 1, Figure 2, the utility model mainly is equipped with centre bore, and promptly carve and clamps extractor the side, and left hole is promptly adjusted encryption apparatus, right ports, and promptly several major parts of gate-valve device constitute, and are connected as a whole with the plug body.Making original well recovery count six square tongs that common plug that oil nozzle puts is exposed to the outside goes into to the closing means in the plug body, good anti-theft effect.The utility model by plug body 8, plug lid 1, screw-casing 5, side carve 7, adjusting lever 6, slide block 4, sliding sleeve 11, steel ball 10, spring 3, pressure cap 2 etc. form.Plug body 8 is tapered tread shape, with be connected with bolt between the plug lid 1, be respectively equipped with centre bore (carve pincers and goes into extractor the side) in the plug body 8, mainly being equipped with screw-casing 5, side carves 7 and constitutes with plug body 8, left hole (password adjusting device), mainly be equipped with adjusting lever 6 and constitute with slide block 4, thread bush 5, right ports (being gate-valve device) mainly is equipped with one group of steel ball 10 and spring 3 in the oil duct valve seat that makes in plug lid 1.It is centre bore that pincers are gone into extractor, and the lower end is a square hole, and the upper end is a circular hole, screw-casing 5 lower ends are screw thread, the upper end is a hexahedron, and carve 7 and is the rectangle hexahedron side, and endoporus is provided with screw thread, screw-casing 5 has circular hole place, plug body upper end to insert the lower end, the side carves 7 by plug body 8 lower ends insertion screw-casing 5, and the two articles engagement is slowly risen, and final pincers are gone in plug body 8 square holes, counter-rotating screw-casing 5, carve 7 and slowly withdraw from square hole again the side.Adjust encryption apparatus, promptly the plug body 8 of left hole is equipped with supported hole with the outer end of plug lid 1, wherein is equipped with and adjusts screw rod 6, adjusts screw rod 6 places slide block 4 is housed, and locates to be shaped on allege and screw-casing 5 corresponding assemblings for square of slide block 4.The plug lower end of right ports is a screwed hole, and the inner is a cylindrical hole, communicates with plug lid oil duct, is equipped with the oil duct valve seat in the plug lid, forms with steel ball 10 and spring 3.Left hole designs for the rotation of opening and lock screw-casing 5 effectively.It is moved up and down under the rotation of adjusting lever 6 in the semicircle rectangular cavity by plug body piece 4, and slide block 4 square places are provided with groove, and 5 six sides are corresponding with screw-casing.When slide block 4 in the plug body cavity during lower dead center, slide block 4 grooves and screw-casing 5 six sides are provided with corresponding intrument, be lock-out state this moment, screw-casing 5 can not rotate, therefore the side carve 7 can not withdraw from and clamp into, carve when withdrawing from when the side of requirement, can rotate adjusting lever 6 with instrument by the number of turns of setting (being password), slide block 4 is up under the promotion of screw thread in the semicircle square opening, when slide block 4 grooves alignd with screw-casing 5 six sides, screw-casing 5 usefulness instruments rotated, and carve slowly and withdraws from the side, available instrument dismounting this moment multifunctional burglary-resistant plug, change oil nozzle in the production tree oil nozzle cover, when being rotated further adjusting lever, slide block 4 continues up, screw-casing 5 can't be opened again by locked.This number of turns (being password).Have only the pipe well worker to know in production crew,, be difficult to open the plug stolen so do not know password.Gate-valve device, promptly right ports is established threaded hole in plug body 8 lower ends, with external connector with being threaded, the inner is provided with cylindrical hole, and sliding sleeve 11 is housed, the sliding sleeve endoporus is less than screwed hole, after external connector screws, promote sliding sleeve 11 reaches, back down steel ball 10 oil ducts and open, screwed hole in the plug body 8, oil duct in cylindrical hole and the plug lid 1 is a through hole, and plug covers 1 oil duct and is provided with valve seat, is pressed into steel ball 10, spring 3, pressure cap 2 in the seat.When oil in test of crude need be got in the chemical laboratory, can screw external connector, sliding sleeve 11 reach is backed down steel ball 10 crude oil and is flowed out sample bucket when filling by sliding sleeve 11 through external connector, should unscrew external connector, moves behind the sliding sleeve 11, and steel ball 10 cuts out valve seat under the effect of spring 3.When oil pumper in when work, need to observe the oil well operating pressure, can connect pressure meter this moment at the external connector other end, screws external connector again, joint promotes sliding sleeve 11 and backs down steel ball 10 oil ducts and get through, oil well pressure can normally be observed again.

Claims (4)

1, the multifunctional burglary-resistant plug mainly is equipped with and clamps extractor, adjustment encryption apparatus, several most of formations of gate-valve device, and be connected as a whole with the plug body, it is characterized in that clamping extractor, be that centre bore mainly is equipped with screw-casing (5), carve (7) and constitutes with plug body (8) side, adjust encryption apparatus, be that left hole mainly is equipped with adjusting lever (6) and slide block (4), screw-casing (5) formation, gate-valve device promptly is equipped with one group of steel ball (10) and spring (3) in the oil duct valve seat that right ports mainly makes in plug lid (1).

2, by the described multifunctional burglary-resistant plug of claim 1, it is characterized in that clamping extractor, promptly the centre bore lower end is that square hole, upper end are circular hole, and screw-casing (5) lower end is that screw thread, upper end are hexahedron, and carve (7) and be the rectangle hexahedron side, and endoporus is provided with screw thread.

3, by the described multifunctional burglary-resistant plug of claim 1, the plug body (8) that it is characterized in that adjusting encryption apparatus and be left hole is equipped with supported hole with the outer end of plug lid (1), wherein be equipped with and adjust screw rod (6), adjust screw rod (6) and locate to be equipped with slide block (4), locate to be shaped on groove and the corresponding assembling of screw-casing (5) for square of slide block (4).

4, by the described multifunctional burglary-resistant plug of claim 1, it is characterized in that valving, promptly the plug lower end of right ports is a screwed hole, and the inner is a cylindrical hole, communicates with plug lid oil duct, is equipped with the oil duct valve seat in the plug lid, constitutes with steel ball (10) and spring (3).

Images