CN217815291U

CN217815291U - Closed anti-picking anti-theft valve lock

Info

Publication number: CN217815291U
Application number: CN202221336647.8U
Authority: CN
Inventors: 李宜明; 王琨博; 王成; 吕正艳; 曹洪涛
Original assignee: Xinjiang Aoailaifu Petroleum Technology Engineering Co ltd
Current assignee: Xinjiang Aoailaifu Petroleum Technology Engineering Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-15
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a valve lock technical field is a closed pick-proof theftproof valve lock, and it includes valve body, valve rod, hand wheel and base, and valve body upper end inboard is equipped with the valve rod that the upper end is located the valve body top, and valve rod upper end fixed mounting has the hand wheel. The utility model has reasonable and compact structure and convenient use, the base is fixedly arranged on the valve body, and the hand wheel can be fixed after the limiting post is inserted into the limiting hole, thereby preventing a thief from rotating the hand wheel to steal crude oil and improving the safety of crude oil storage; the upper cover can completely shield the valve rod, so that a thief is prevented from disassembling parts such as a stealing hand wheel and the like; the press type anti-theft retractable lock can quickly fix the upper cover, the limiting column and the base together, and can be opened only by using a special key; the lock plug can shield the telescopic lock and can only be detached by using a special spanner, the theft detachment is time-consuming and labor-consuming, the double-locking effect is realized together with the telescopic lock, and the anti-theft effect is better.

Description

Closed anti-picking anti-theft valve lock

Technical Field

The utility model relates to a valve lock technical field is a closed pick-proof theftproof valve lock.

Background

The oil production wells and the water injection wells of the oil fields are provided with Christmas trees on the well mouths, the Christmas trees are provided with large gates with the rated pressure of 250 atmospheric pressure, the large gates are referred to as 250-type gates for short, and hand wheels of control switches of the large gates are exposed outside and can be detached through general tools. The general oil field production well is generally located in remote and deserted areas, the distance between oil well sites is large, personnel cost and site construction cost are considered, centralized gathering and transportation management is mostly adopted, a plurality of oil wells are unattended, and crude oil theft is easy to happen.

According to the previous case analysis, the Christmas tree at the wellhead of the oil well is the main part for the oil thief to steal crude oil. The crude oil can be stolen from the wellhead by opening the blind end plug or blind flange of the Christmas tree by an oil thief through a tool. Besides the direct economic loss caused by the loss of crude oil, the actions of oil thieves can also cause production safety accidents (blowout can be caused by heavy production halt caused by light people), and the field safety production is seriously influenced. In addition, some thieves can loosen the hand wheel nut and steal the hand wheel, the bearing gland, the valve rod copper nut, the plane bearing and other parts. Therefore, the existing Christmas tree has the following defects in the actual use process: and the theft of important parts such as crude oil or a hand wheel on a Christmas tree and the like by a lawless person cannot be prevented.

Disclosure of Invention

The utility model provides a closed pick-proof theftproof valve lock has overcome above-mentioned prior art not enough, and it can effectively solve the problem that can not prevent that the lawler from stealing important parts such as the hand wheel on crude oil or the christmas tree of current christmas tree existence.

The technical scheme of the utility model is realized through following measure: a closed type anti-prying anti-theft valve lock comprises a valve body, a valve rod, a hand wheel and a base, wherein the upper end of the valve rod is positioned above the valve body, the hand wheel is fixedly installed at the upper end of the valve rod, the base is fixedly installed at the outer side of the valve body corresponding to the position below the hand wheel, at least two limiting holes with upward openings are uniformly distributed on the upper side of the base along the circumference, a limiting column with an upper end positioned above the valve rod is arranged in each limiting hole, and the upper end of each limiting column is fixedly installed together with the corresponding position of the lower side of an upper cover; the lower part of at least one limit column is provided with a locking hole with an outward opening, the outer side of the upper end of the base corresponding to one locking hole is provided with an installation boss, the middle part of the installation boss is provided with a locking hole communicated with the corresponding limit hole, and a telescopic lock with a lock tongue positioned in the locking hole is arranged in the locking hole.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the above-mentioned still can include fixing bolt, correspond all to be equipped with inside and outside through and from interior to outside diameter increase gradually stepped hole on the base of every spacing post lower extreme position, all be equipped with the fixing bolt that the corresponding position offseted in the inner and the valve body outside of every stepped hole, and all fixing bolt's head all is located the inboard that corresponds spacing post.

The fixing bolt can be a quincuncial antitheft bolt with a column.

The lock plug can be further included, the lock plug capable of blocking the telescopic lock is installed on the inner side of the outer end of the installation boss through threads, a wrench groove with an outward opening is formed in the middle of the outer end of the lock plug, a plurality of anti-theft teeth are evenly distributed on the inner side of the wrench groove along the circumference, and an anti-theft column is arranged at the bottom of the wrench groove.

The lower part of each limit column can be provided with a locking hole with an outward opening.

The upper side of the base can be provided with a weight reduction groove with an upward opening.

The utility model has reasonable and compact structure and convenient use, the base is fixedly arranged on the valve body, and the hand wheel can be fixed after the limiting post is inserted into the limiting hole, thus preventing a thief from rotating the hand wheel to steal crude oil and improving the safety of crude oil storage; the upper cover can completely shield the valve rod, so that a thief is prevented from disassembling parts such as a stealing hand wheel and the like; the upper cover, the limiting column and the base can be quickly and fixedly arranged together by the pressing type anti-theft telescopic lock, and the device can be opened only by using a special key for the telescopic lock; the lock plug can shield the telescopic lock and can be detached only by using a special wrench, the detachment is time-consuming and labor-consuming in case of theft, the double-locking effect is realized together with the telescopic lock, and the anti-theft effect is good; the device is simple, convenient and quick to install, improves the integrity of equipment facilities, reduces and eliminates potential safety hazards, can effectively save production management and maintenance cost, and reduces the labor intensity of maintenance personnel to a certain extent.

Drawings

Fig. 1 is a schematic structural view of the preferred embodiment of the present invention.

Fig. 2 is a left side sectional structural diagram of the preferred embodiment of the present invention.

Fig. 3 is a schematic perspective view of the preferred embodiment of the present invention.

Fig. 4 is a schematic perspective view of the upper cover and the limiting column in fig. 1.

Fig. 5 is a schematic perspective view of the base shown in fig. 1.

The codes in the figures are respectively: the anti-theft valve comprises a valve rod 1, a hand wheel 2, a base 3, an upper cover 4, a valve body 5, a limiting hole 6, a limiting column 7, a locking hole 8, an installation boss 9, a locking hole 10, a telescopic lock 11, a fixing bolt 12, a stepped hole 13, a lock plug 14, a wrench groove 15, an anti-theft tooth 16, an anti-theft column 17, a weight-reducing groove 18, a threaded fastener 19 and a Christmas tree 20.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

the first embodiment is as follows: as shown in the attached figures 1, 2, 3, 4 and 5, the closed anti-prying and anti-theft valve lock comprises a valve body 5, a valve rod 1, a hand wheel 2 and a base 3, wherein the valve rod 1 with the upper end positioned above the valve body 5 is arranged on the inner side of the upper end of the valve body 5, the hand wheel 2 is fixedly arranged on the upper end of the valve rod 1, the base 3 is fixedly arranged on the outer side of the valve body 5 corresponding to the lower position of the hand wheel 2, at least two limiting holes 6 with upward openings are uniformly distributed on the upper side of the base 3 along the circumference, a limiting column 7 with the upper end positioned above the valve rod 1 is arranged in each limiting hole 6, and the upper end of each limiting column 7 is fixedly arranged together with the corresponding position of the lower side of an upper cover 4; the lower part of at least one limiting column 7 is provided with a locking hole 8 with an outward opening, the outer side of the upper end of the base 3 corresponding to one locking hole 8 is provided with a mounting boss 9, the middle part of the mounting boss 9 is provided with a locking hole 10 communicated with the corresponding limiting hole 6, and a telescopic lock 11 with a lock tongue positioned in the locking hole 8 is arranged in the locking hole 10.

During the use, pull down hand wheel 2 from valve rod 1 earlier (among the prior art hand wheel 2 generally installs on valve rod 1 through threaded fastener 19), then overlap base 3 in the valve body 5 outside and fix, install back hand wheel 2 valve rod 1 upper end again, then aim at the spacing post 7 that has locking hole 8 and lock 11 positions telescopically, hold upper cover 4 at last and insert every spacing post 7 in the spacing hole 6 that corresponds on base 3, rotate the key and press flexible lock 11 and impress the spring bolt in the locking hole 8, can accomplish the installation of this device and fix. According to requirements, the base 3 and the valve body 5 can be fixedly connected through high-strength epoxy resin bonding or riveting or welding or threaded fasteners; each spoke on the hand wheel 2 is respectively positioned in a gap between two limiting columns 7, so that the spokes can be clamped by the limiting columns 7 to prevent the hand wheel 2 from rotating, in addition, in order to prevent a thief from prying the limiting columns 7 and the upper cover 4, the distance between the two limiting columns 7 can be matched with the width or diameter of the spoke of the hand wheel, when the valve rod 1 protrudes out of the hand wheel 2 for a long time, a sealing block can be additionally arranged between the two limiting columns 7 corresponding to the upper side positions of the spokes, the operating space of a crowbar can be reduced as much as possible, and the device can be prevented from being pried loose or damaged; the number of the limiting holes 6 and the limiting columns 7 can be determined by integrating the number of the spokes of the hand wheel 2, a common valve hand wheel in the prior art is generally provided with at least three spokes, and at the moment, three limiting columns 7 can be correspondingly arranged so as to reliably and firmly clamp the hand wheel 2 to prevent the hand wheel 2 from rotating; the fixing mode between the limiting column 7 and the upper cover 4 can be realized by welding, riveting or integral forming; the telescopic lock 11 can be a cylindrical pressing lock for the security protection of the American department of Xiamen, and the model can be MK511-01 or MK511-02; the limiting hole 6 and the locking hole 8 are blind holes, so that the limiting column 7 and the lock tongue can be prevented from being pried.

The utility model has reasonable and compact structure and convenient use, the base 3 is fixedly arranged on the valve body 5, the hand wheel 2 can be fixed after the limiting post 7 is inserted into the limiting hole 6, and the thief is prevented from rotating the hand wheel 2 to steal crude oil; the upper cover 4 can completely shield the valve rod 1, so that a thief is prevented from disassembling parts such as a stealing hand wheel 2 and the like; the upper cover 4, the limiting column 7 and the base 3 can be quickly and fixedly arranged together by the pressing type anti-theft telescopic lock 11, and the device can be opened only by using a special key of the telescopic lock 11; the device is simple, convenient and quick to install, improves the integrity of equipment facilities, reduces and eliminates potential safety hazards, can effectively save production management and maintenance cost, and reduces the labor intensity of maintenance personnel to a certain extent.

The closed anti-prying and anti-theft valve lock can be further optimized or/and improved according to actual requirements:

example two: as shown in fig. 1, 2, 3, 4, and 5, the valve further includes a fixing bolt 12, a stepped hole 13 is formed in the base 3 corresponding to the lower end of each limiting column 7, the stepped hole 13 is through from inside to outside and has a diameter gradually increased from inside to outside, a fixing bolt 12 is disposed in each stepped hole 13, the inner end of each fixing bolt abuts against the corresponding position of the outer side of the valve body 5, and the head of each fixing bolt 12 is located on the inner side of the corresponding limiting column 7. Through the arrangement, the valve seat and the valve body 5 can be quickly and fixedly installed together, and the limiting column 7 can shield the wrench groove at the head of the fixing bolt 12 after the upper cover 4 is installed, so that a thief is prevented from detaching the base 3 from the valve body 5 by using a wrench, and the anti-theft effect of the device is enhanced; in addition, the valve body 5 and the base 3 are connected through the fixing bolt 12, so that the quick mounting and dismounting device can be used for maintaining the Christmas tree more conveniently. According to requirements, the fixing bolt 12 can be a pan head or flat round head screw or inner hexagon socket head screw in the prior art, so that the head of the screw is conveniently placed at one end of the stepped hole 13 with a larger diameter, and the head of the screw is conveniently and completely hidden in the base 3; in addition, a hole can be correspondingly formed in the valve body 5 corresponding to the position of each fixing bolt 12, and then the inner end of each fixing bolt 12 is screwed into the corresponding hole, so that the base 3 and the valve body 5 can be better fixedly installed together.

Example three: as shown in fig. 2, the fixing bolt 12 is a quincuncial antitheft bolt with a column. Through setting up like this, fixing bolt 12 needs to be dismantled with the special spanner of plum blossom area post theftproof bolt, under the destroyed condition of spacing post 7 lower extreme, also can prevent effectively that base 3 from being torn down from the disk seat.

Example four: as shown in the attached figures 1, 2 and 3, the anti-theft lock further comprises a lock plug 14, the inner side of the outer end of the installation boss 9 is provided with the lock plug 14 capable of blocking the telescopic lock 11 through threads, the middle part of the outer end of the lock plug 14 is provided with a wrench groove 15 with an outward opening, a plurality of anti-theft teeth 16 are uniformly distributed on the inner side of the wrench groove 15 along the circumference, and the bottom of the wrench groove 15 is provided with an anti-theft column 17. In the using process, the lock plug 14 can plug the keyhole of the telescopic lock 11, and the wrench groove 15 of the lock plug 14 is in a non-standard shape and the middle anti-theft column 17 is protruded, so that a thief cannot take out the lock plug 14 by using a general tool; through the arrangement, an anti-theft measure can be added to the device, and the anti-theft performance of the device is effectively enhanced.

Example five: as shown in fig. 1, 2 and 4, the lower part of each limit post 7 is provided with a locking hole 8 with an outward opening. Through the arrangement, the limiting column 7 with the locking hole 8 does not need to be deliberately aligned with the telescopic lock 11 and then inserted into the limiting hole 6, so that the installation time of the limiting column 7 and the upper cover 4 is greatly saved, and the installation working efficiency can be effectively improved.

Example six: as shown in fig. 2, 3 and 5, the upper side of the base 3 is provided with a lightening slot 18 with an upward opening. Through setting up like this, can alleviate the weight of base 3, and then alleviate the oppression of this device to the production tree.

Above technical characteristic has constituted the utility model discloses an embodiment, it has stronger adaptability and implements the effect, can increase and decrease unnecessary technical characteristic according to actual need, satisfies the demand of different situation.

Claims

1. A closed type anti-prying and anti-theft valve lock is characterized by comprising a valve body, a valve rod, a hand wheel and a base, wherein the upper end of the valve rod is arranged on the inner side of the upper end of the valve body, the upper end of the valve rod is fixedly provided with the hand wheel, the outer side of the valve body, corresponding to the position below the hand wheel, is fixedly provided with the base, the upper side of the base is uniformly provided with at least two limiting holes with upward openings along the circumference, a limiting column with the upper end positioned above the valve rod is arranged in each limiting hole, and the upper end of each limiting column is fixedly arranged together with the corresponding position of the lower side of an upper cover; the lower part of at least one limiting column is provided with a locking hole with an outward opening, the outer side of the upper end of the base corresponding to one locking hole is provided with an installation boss, the middle part of the installation boss is provided with a locking hole communicated with the corresponding limiting hole, and a telescopic lock with a lock tongue positioned in the locking hole is arranged in the locking hole.

2. The closed anti-pry and anti-theft valve lock according to claim 1, further comprising a fixing bolt, wherein a stepped hole is formed in the base corresponding to the lower end of each limit post, the stepped hole is internally and externally communicated, the diameters of the stepped holes are sequentially increased from inside to outside, a fixing bolt is arranged in each stepped hole, the inner end of each fixing bolt abuts against the corresponding position outside the valve body, and the heads of all the fixing bolts are located inside the corresponding limit posts.

3. The enclosed anti-pry anti-theft valve lock according to claim 2, wherein the fixing bolt is a quincunx anti-theft bolt with a post.

4. The closed anti-prying and anti-theft valve lock according to claim 1, 2 or 3, further comprising a lock plug, wherein the lock plug capable of blocking the telescopic lock is installed inside the outer end of the installation boss through a thread, a wrench groove with an outward opening is formed in the middle of the outer end of the lock plug, a plurality of anti-theft teeth are uniformly distributed on the inner side of the wrench groove along the circumference, and an anti-theft column is arranged at the bottom of the wrench groove.

5. The enclosed anti-pry and anti-theft valve lock according to claim 1, 2 or 3, wherein the lower portion of each of the restraint posts is provided with a locking hole having an outward opening.

6. The enclosed anti-prying anti-theft valve lock according to claim 4, wherein the lower portion of each of the posts is provided with a locking hole having an outward opening.

7. The enclosed anti-picking anti-theft valve lock according to claim 1, 2, 3 or 6, characterized in that the upper side of the base is provided with a weight-reducing slot with an upward opening.

8. The enclosed anti-picking anti-theft valve lock according to claim 4, wherein the upper side of the base is provided with a weight-reducing slot with an upward opening.

9. The enclosed anti-picking anti-theft valve lock according to claim 5, wherein the upper side of the base is provided with a weight-reducing slot with an upward opening.