CN2508078Y

CN2508078Y - Enclosed puzzle look theftproof valve

Info

Publication number: CN2508078Y
Application number: CN 01248735
Authority: CN
Inventors: 张宝东
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-17
Filing date: 2001-07-17
Publication date: 2002-08-28
Anticipated expiration: 2011-07-17

Abstract

The utility model relates to an enclosed theftproof valve of a puzzle look, which is applicable to the theftproof valves for feeding liquid and gas of pipelines. A lock core and a sealing seat of a valve rod of the valve are made into a whole, and the outer cylindrical surface of a step has the lock core structure. An inner cavity has the structure of the sealing seat of the valve rod. The lock core is provided with an annular groove, an elastic clamp with an annular opening is arranged in the annular groove, and the lock core is also provided with an axial groove. A barrel-shaped lock sleeve has the functions of a lock cover and the lock sleeve is provided with a radial baffle pin. The valve rod, the lock core and the elastic clamp are all hidden in the barrel-shaped lock sleeve. The utility model does not use special tools and is used for opening and closing the theftproof valve by turning the lock sleeve to press codes. The utility model has the advantages of simple and reasonable structure, small volume, labour saving, material saving, easy production, low cost, visible economic benefit, good interchange ability, high safety, reliability and strong theftproof performance.

Description

Closed combination coded lock valve for guarding against theft

(1) technical field

The utility model relates to a kind of valve for guarding against theft device, and particularly a kind of pipeline feed flow, steam supply are with preventing to steal the closed combination coded lock valve for guarding against theft that liquid is stolen vapour.

(2) background technique

Existing valve for guarding against theft is of a great variety, structure is different, the theftproof performance difference, all valve for guarding against theft of selling on the market all are additional cover anti-theft devices on former valve, the switching valve rod of valve is stashed, valve can not arbitrarily be opened and closed by the user, can only open and close with special special tool or key by the personnel of supply department, make the requirement work of valve, prevent that the liquid steam flow from losing by supplying sector.Valve for guarding against theft is nothing more than being made up of lock tube, lock core, locking closure and valve when selling in the market, multiple valve for guarding against theft is wherein arranged since lock core upper end uneven porose, groove is arranged, the slit is arranged, so fall into easily foreign matter or artificially malice stop up, knock with foreign matter, make mutual the rust extremely between lock core and lock tube with acid liquid corrosion, valve for guarding against theft can't be opened and closed, cause valve for guarding against theft normally not move, lose antitheft effect.The another kind of patent No. is 002126842 adjusting locking valve, uses magnetic cipher lock, can only could realize opening and closing function with special special tool.In the upper-end surface of magnetic devices exposed adjusting knob or concave channels are arranged in addition, also fall into foreign matter or artificial the obstruction easily, so the valve for guarding against theft of this constructional device is also not ideal enough, theftproof performance is not too reliable.And open and close valve cost height with special special tool, and thereby need provide a kind of special tool that do not use, save material, cost is low again, the reliable burglarproof lock valve of theftproof performance satisfies the market economic development needs.

(3) summary of the invention

The purpose of this utility model, a kind of closed combination coded lock valve for guarding against theft that has improved will be provided exactly, this installs technical problem to be solved is that existing valve for guarding against theft lock core and valve rod sealing seat are integral, lock core platform stepwise exterior circular column is a lock core structure, the lock core inner chamber is the valve stem seal seat, improve lock core structure, the lock tube structure, increase double polarizing keys annular opening elastic force clamp, backing pin, increase the anti-theft component key element, improve theftproof performance, do not use special tool password to be opened and closed valve for guarding against theft, increase work efficiency with manual accent of Theft-proof lock jacket.

Task of the present utility model is finished as follows: existing valve for guarding against theft is made up of lock core, lock tube, locking closure and valve.The utility model device is integral lock core and valve body, just makes an integral body with opening and closing valve rod place sealing seat on lock core and the valve body.Having up and down on the exterior circular column of step type cylindrical shape lock core, the twice cross section is the annular groove of rectangle, the twice annular groove is separated into three sections with the lock core exterior circular column, respectively have the axial groove of direction unanimity on the cylindrical body in epimere, stage casing, axial groove is through to the upper-end surface of lock core.Double polarizing keys annular opening elastic force clamp is housed in the annular groove of upper track, in the annular groove in following road, single boss annular opening elastic force clamp is housed.The internal diameter of annular opening elastic force clamp is clamped on the external diameter of lock core annular groove.The valve for guarding against theft valve rod is housed in the inner chamber of lock core, and valve rod exceeds the lock core upper-end surface.At same plain line direction place two radially backing pins are arranged on the inboard bucket wall of barrel-shaped lock tube near the bung section, the backing pin of upper end matches with upper track annular groove on the lock core, and the backing pin of lower end matches with following road annular groove on the lock core.The endoporus of lock tube and the external cylindrical surface of lock core are slidingly matched, and the lock tube lower end surface contacts with the valve body upper-end surface, on the mutually clear external cylindrical surface of lock tube and valve scale mark are arranged respectively, in order to increase annular knurl on the frictional force lock tube external cylindrical surface.Lock core epimere cylindrical body and the axial groove on it, stage casing cylindrical body and the axial groove on it, upper track annular groove and double polarizing keys annular opening elastic force clamp wherein, following road annular groove and single boss annular opening elastic force clamp wherein, scale mark on upper end backing pin on the lock tube inwall, lower end backing pin, lock tube hypomere and the valve body epimere external cylindrical surface is formed password member key element jointly, these member key elements are made up, and encipher and valve for guarding against theft corresponding record are on the regular payroll, so that use.Introduce the valve for guarding against theft program that shuts and unblank below, opening with the double polarizing keys annular opening elastic force clamp in each road annular groove of lock core, the opening of single boss annular opening elastic force clamp aligns epimere, axial groove on the cylindrical body of stage casing, again the backing pin of the top and bottom on the lock tube inwall being aligned axial groove moves down, the lock tube lower end surface is contacted with the valve body upper-end surface, backing pin on the lock tube inwall passes through axial groove respectively, elastic force clamp opening enters respectively in the lock core annular groove, the rotation lock tube is collided backing pin and elastic force clamp boss, drive the rotation of elastic force clamp, make axial groove, elastic force clamp opening, stagger in the position of backing pin, do not have password can't take off lock tube, reach antitheft effect.In the time will opening lock tube, must at first know three password figures, make the label alignment of a certain point of scale numeral on scale numeral and the valve body on the lock tube, also must know the program that lock tube reverses, can open lock tube.The sense of rotation that the lock tube password is checked the number is divided into (left and right a, left side) earlier, also (right side, left and right) earlier.As (a left side, right, a left side) direction, at first rotate a circle lock tube many left, its objective is that the backing pin that makes on the lock tube contacts the back and checks the number with elastic force clamp boss, the opening and the lock core axial groove of single boss elastic force clamp are aligned, again lock tube being pressed password to right rotation checks the number, double polarizing keys elastic force clamp opening is also aligned with the lock core axial groove, rotating lock tube at last more left checks the number by password, at this moment two backing pin positions and lock core axial groove on the lock tube have been made, two elastic force clamp opening complete matchings, upwards promote lock tube to take off smoothly by hand, expose valve rod, open and close valve with spanner twisting valve rod, put back to lock tube then, rotate lock tube by hand and promptly finish Lock valve work greater than a week.

The utility model is improved to finish on the basis of existing valve for guarding against theft, the lock core and the valve body upper stem seal seat of existing valve for guarding against theft are integral, improve lock core structure, increase annular groove one, pack into single boss or double polarizing keys annular opening elastic force clamp increase an axial groove, and the step type exterior circular column of lock core is a lock core structure, the inner chamber of lock core is the valve stem seal stand structure, and the valve for guarding against theft volume is little, save raw material, cost is low, low price, market is arranged.Locking closure, the lock tube of former antitheft valve be integral become barrel-shaped lock tube, increase a radially backing pin on the sidewall, when lock tube is on lock core, password member key element all is closed, can not fall into foreign matter, can not can not be pried open by malice obstruction artificially, unblank reliable, rational in infrastructure, the easy manufacturing of theftproof performance, good in economic efficiency, easy to install without special tool.

(4) description of drawings

Concrete structure of the present utility model is provided by the following drawings.

Fig. 1 is the closed combination coded lock valve for guarding against theft of the utility model partial structurtes sectional views.

Fig. 2 is the closed combination coded lock valve for guarding against theft of the utility model lock core structure figure.

Fig. 3 is the closed combination coded lock valve for guarding against theft of a utility model lock tube section of structure.

Fig. 4 is that the closed combination coded lock valve for guarding against theft of the utility model lock tube makes password check mark member list boss annular elastic force clamp opening and lock core axial groove align unfolded drawing to anticlockwise.

Fig. 5 is that the closed combination coded lock valve for guarding against theft of the utility model lock tube makes password check mark member double polarizing keys annular elastic force clamp opening and lock core axial groove align unfolded drawing to right rotation.

Fig. 6 is that the closed combination coded lock valve for guarding against theft of the utility model lock tube makes two backing pin positions of password member and lock core axial groove, single boss or double polarizing keys annular elastic force clamp opening align unfolded drawing fully to right rotation again.

(5) embodiment

Below in conjunction with the utility model describe the details and the working condition of this device in detail to drawings and Examples.

The closed combination coded lock valve for guarding against theft of the utility model device, step type cylindrical shape lock core 2 wherein is integral with the valve stem seal seat of valve body 7, and just the upper end of the lower end of lock core 2 and valve body 7 makes an integral body.Have on the exterior circular column of lock core 2 up and down that the twice cross section is the annular groove of rectangle, the twice annular groove is separated into three sections with the exterior circular column of lock core 2, and epimere respectively has the axial groove of direction unanimity on the cylindrical body in stage casing, and axial groove is through to the upper-end surface of lock core 2.Double polarizing keys annular opening elastic force clamp 3 is housed in the annular groove of upper track, is on the external diameter of the internal diameter of 5, two annular opening elastic force of the single boss annular opening elastic force clamp clamp annular groove that is clamped in lock core 2 respectively in the annular groove in following road.Valve for guarding against theft valve rod 8 is housed in the endoporus of lock core 2, and valve rod 8 exceeds the upper-end surface of lock core 2.On the inboard bucket wall of barrel-shaped lock tube 1, radially backing pin 4 and backing pin 6 are arranged at same plain line direction place near the bung section, the backing pin 4 of upper end matches with the upper track annular groove on the lock core 2, the backing pin 6 of lower end matches with following road annular groove on the lock core 2, the external cylindrical surface of the endoporus of lock tube 1 and lock core 2 is for being slidingly matched, the lower end surface of lock tube 1 contacts with the upper-end surface of valve body 7, on the mutually clear external cylindrical surface of lock tube 1 and valve body 7, be carved with the Arabic numerals mark respectively, for annular knurl on the external cylindrical surface that increases frictional force lock tube 1.Lock core 2 epimere cylindrical bodys and the axial groove on it, stage casing cylindrical body and the axial groove on it, upper track annular groove and double polarizing keys annular opening elastic force clamp 3 wherein, following road annular groove and single boss annular opening elastic force clamp 5 wherein, upper end backing pin 4 on lock tube 1 inwall, lower end backing pin 6, Arabic numerals mark on lock tube 1 hypomere and the valve body 7 epimere external cylindrical surfaces is formed password member key element jointly, these member key elements are made up, encipher and closed combination coded lock valve for guarding against theft corresponding record are on the regular payroll, so that use.Introduce the process that shuts and unblank of closed combination coded lock valve for guarding against theft below, opening with the double polarizing keys annular opening elastic force clamp 3 of lock core 2 each road annular groove, the opening of single boss annular opening elastic force clamp 5 aligns epimere, axial groove on the cylindrical body of stage casing, again upper end backing pin 4 on lock tube 1 inwall and lower end backing pin 6 are aligned axial groove, make the radially backing pin 4 on the lock tube 1, backing pin 6 is by the axial groove on the lock core 2, the opening of double polarizing keys annular opening elastic force clamp 3, the opening of single boss annular opening elastic force clamp 5 enters respectively in the annular groove in the upper track of lock core 2 and following road, the lower end surface of lock tube 1 is contacted with the upper-end surface of valve body 7, rotation lock tube 1 makes backing pin 4, the boss of backing pin 6 and double polarizing keys annular opening elastic force clamp 3, the boss of single boss annular opening elastic force clamp 5 is collided, drive the rotation of elastic force clamp, make the axial groove on the lock core 2, the opening of two elastic force clamps, the backing pin 4 of lock tube 1, stagger in the position of backing pin 6, do not have unlocking cipher can't take off lock tube 1, reach antitheft effect.In the time will opening lock tube 1, must know three password figures of this closed combination coded lock valve for guarding against theft, make the label alignment of a certain point of scale numeral on scale numeral and the valve body 7 on the lock tube 1, also must know the program that lock tube 1 reverses in addition, can open lock tube 1, sense of rotation by lock tube 1 can be divided into (left and right a, left side) direction earlier, also can be earlier (right, left and right) direction, no matter be past earlier where to rotation, lock tube 1 rotation for the first time must its objective is after the backing pin that makes on the lock tube 1 contacts with the boss of elastic force clamp and check the number greater than a week.As using (a left side, right, a left side) direction, earlier rotate a circle lock tube 1 many left, make the backing pin 4 on the lock tube 1, backing pin 6 respectively with the boss of double polarizing keys annular elastic force clamp 3, the boss of single boss annular elastic force 5 contacts, lock tube 1 is alignd with first code number on the valve body 7, the opening of single boss annular opening elastic force clamp 5 and the axial groove on the lock core 2 are aligned, the scale numeral that lock tube 1 is pressed on code number and the valve body 7 to right rotation is checked the number again, the opening of double polarizing keys annular opening elastic force clamp 3 and the axial groove of lock core 2 are aligned, rotating lock tube 1 at last more left checks the number by code number and valve body 7 high scales, at this moment made the backing pin 4 on the lock tube 1, the axial groove of the position of backing pin 6 and lock core 2, the opening of double polarizing keys annular elastic force clamp 3, the opening all align of single boss annular elastic force clamp 5, strength is taken off lock tube 1 by hand, valve rod 8 is exposed, be that available spanner reverses valve rod 8 switching valves, and then put back to lock tube 1, rotate lock tube 1 by hand greater than promptly finishing the valve for guarding against theft work that opens and closes a week.

Claims

A kind of by lock tube (1), lock core (2), single boss annular opening elastic force clamp (5), the closed combination coded lock valve for guarding against theft that backing pin (4) and valve (7) are formed, the sealing seat that it is characterized in that the valve rod (8) on step type cylindrical shape lock core (2) and the valve (7) is integral, the stepped shape exterior circular column of lock core (2) is a lock core structure, inner chamber is the sealing seat structure of valve rod (8), it is the annular groove of rectangle that the twice cross section is arranged on lock core (2) exterior circular column, the twice annular groove is separated into three sections with exterior circular column, epimere, respectively have the axial groove of direction unanimity on the cylindrical body of stage casing, axial groove is through to the upper-end surface of lock core (2), double polarizing keys annular opening elastic force clamp (3) is housed in the annular groove of upper track, in following road annular groove is single boss annular opening elastic force clamp (5), the internal diameter of two annular opening elastic force clamps is clamped in respectively on the external diameter of annular groove of lock core (2), valve for guarding against theft valve rod (8) is housed in the inner chamber of lock core (2), valve rod (8) exceeds the upper-end surface of lock core (2), barrel-shaped lock tube (1) is with former locking closure, lock tube is integral, on the inboard bucket wall of barrel-shaped lock tube (1), radially backing pin (4) is arranged at same plain line direction place near the bung section, backing pin (6), the backing pin (4) of upper end and the upper track annular groove corresponding matching on the lock core (2), backing pin of lower end (6) and following road annular groove corresponding matching, the external cylindrical surface of the endoporus of lock tube (1) and lock core (2) is slidingly matched, the lower end surface of lock tube (1) contacts with the upper-end surface of valve body (7), is carved with mark on lock tube (1) and the mutually clear external cylindrical surface of valve body (7).