CN214662419U

CN214662419U - Double-locking double-sealing locking valve

Info

Publication number: CN214662419U
Application number: CN202121040182.7U
Authority: CN
Inventors: 刘权
Original assignee: Hangzhou Tranwe Technology Co ltd
Current assignee: Hangzhou Tranwe Technology Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-09
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a double-lock double-seal locking valve, which comprises a valve body, a valve rod and a valve core; wherein, a valve core is arranged in the valve body, a valve rod is connected on the valve core, the valve rod extends out of the valve body, a convex edge is arranged on the valve rod extending out of the valve body to wrap the valve rod in the valve rod, and the valve rod is rotated to drive the valve core to rotate; the method is characterized in that: a lock groove is transversely arranged on the convex edge, and a lock cylinder is arranged in the lock groove; a lock hole is formed in the position, located in the lock groove, of the valve rod, and a lock tongue of the lock cylinder penetrates through the lock groove and extends into the lock hole to lock the valve rod; the end part of the valve rod is provided with a special-shaped hole or a key hole; the locking valve greatly improves the locking performance, and the locking valve cannot be opened and closed under the condition that no key exists or the key is incomplete, so that double guarantee is provided; simultaneously, can supervise whether artificial the breaking of locking valve through the lead seal, have positive effect to the supervision of locking valve, lead seal has dustproof dampproofing effect simultaneously.

Description

Double-locking double-sealing locking valve

Technical Field

The utility model relates to a valve field, concretely relates to two lock double-seal lock valves.

Background

The locking valve is a valve device composed of a valve body, a valve core, a valve rod and a locking mechanism, and is generally arranged on pipelines such as a branch and a main branch of a heating pipeline; the purpose of controlling the on-off of the water channel is achieved, and valve bodies on some important pipelines are not allowed to be controlled by a user privately, so that firstly, the pipeline transformation such as illegal embezzlement and fraudulent use is prevented, secondly, the control of the locking valve of some pipelines is not single household, and if a certain user changes and adjusts privately; the locking valve has the advantages that serious troubles are caused to other users, the other users complain about a heating company once heat supply problems occur, the serious troubles are caused to the heating company, and the like, so that the locking valve is very necessary to be locked.

On the basis, the prior art discloses a plurality of valve bodies capable of locking a locking valve, the most representative valve body is a magnetic locking valve, the locking valve is locked by the principle of magnetic attraction, and when the locking valve is controlled to be opened and closed, a special tool is used for operating the locking valve.

In view of this deficiency, lock valves with mechanical locks have been proposed, which have enhanced lock safety compared to magnetic lock valves, but reliability remains one of the concerns of thermal companies: firstly, dust in the environment where the lock valve is located is easy to gather (generally in a heat supply well), the mechanical lock is not easy to set too complicated, the lock cylinder can only be changed in a simple structure, otherwise, dust and moisture easily cause the lock cylinder to be blocked, and even if the lock cylinder cannot be rotated through a key, the reliability of the lock cylinder is improved relative to that of the magnetic lock valve, but the requirement cannot be met; secondly, the dustproof problem is solved, the lock cylinder belongs to precision machinery, and the damage of dust and moist environment to the mechanical lock cylinder is very big.

Disclosure of Invention

The utility model aims at providing a double-lock double-seal locking valve, which greatly improves the locking performance, and the locking valve can not be opened and closed under the condition of no key or incomplete key, thereby providing double guarantee; simultaneously, can supervise whether artificial the breaking of locking valve through the lead seal, have positive effect to the supervision of locking valve, lead seal has dustproof dampproofing effect simultaneously.

A double-locking double-sealing locking valve comprises a valve body, a valve rod and a valve core; wherein, a valve core is arranged in the valve body, a valve rod is connected on the valve core, the valve rod extends out of the valve body, a convex edge is arranged on the valve rod extending out of the valve body to wrap the valve rod in the valve rod, the edge and the valve body are integrally formed, and the valve rod is rotated to drive the valve core to rotate;

a lock groove is transversely arranged on the convex edge, and a lock cylinder is arranged in the lock groove;

a lock hole is formed in the position, located in the lock groove, of the valve rod, and a lock tongue of the lock cylinder penetrates through the lock groove and extends into the lock hole to lock the valve rod;

the end of the valve rod is provided with a special-shaped hole or a key hole.

Preferably, the end face of the valve stem is recessed inwardly of the rim.

Furthermore, a lead seal is embedded in a concave part at the end part of the edge.

Preferably, the valve stem and the projecting rim are provided with through holes in the radial direction.

Preferably, the fore-edge surface of the lock cylinder is recessed in the lock groove.

Furthermore, lead seals are arranged on the end faces of the locking grooves.

Furthermore, the two sides of the lock groove are provided with wire holes, and the lead-sealed steel wire penetrates through the wire holes to be fixed with the lock groove.

Preferably, a notch is axially formed in one side of the edge protruding towards the lock groove, and when the lock cylinder is installed in the lock groove, the lock tongue is located at the notch.

Furthermore, the lock core is detachably or fixedly connected with the lock groove.

Furthermore, the lock cylinder is installed by a single end of the lock groove or any end of two ends of the lock groove.

Preferably, the valve rod is provided with a bayonet along the radial direction, a clamping protrusion is correspondingly arranged on the convex edge corresponding to the bayonet, when the valve rod is installed in the valve body, the bayonet is positioned in the clamping protrusion, and the clamping protrusion and the bayonet are matched to control the rotation amount of the valve rod.

The beneficial effects of the utility model reside in that:

compared with a magnetic locking valve, the mechanical lock has more excellent, safe, anti-theft and malicious opening and closing prevention capabilities, and for a mechanical lock, the types of keys are rich, so that the difficulty of opening the mechanical lock by similar keys is reduced, and the reason is one of the reasons; in addition, the valve rod in the application is also a mechanical lock, and when the mechanical lock is unlocked, a special tool is required to drive the mechanical lock to rotate, which is the second reason; in conclusion, the safety performance of the locking valve is improved through the two locks; and it promotes the security for the lock core structure is complicated, and the stability of this application is better (be difficult for receiving dust, moist environment's influence).

Secondly, besides the above, the lock also has double lead seals, the first lead seal is the lead seal at the lock groove and the lock core, and the artificial damage or unlocking can be avoided; the second is lead sealing between the valve rod and the edge protruding from the valve body, which can prevent the valve rod from being maliciously damaged or rotated by people; both this application is in fact through four guarantees, promotes the security performance of lock valve, and the effect is advanced obviously, and to the pipeline at core position, the protectiveness is extremely strong.

Third, in this application, ingenious imbed the lead seal in the locked groove, convex border for the lead seal is not only the effect of preventing maliciously opening in the traditional meaning, and it has still possessed dustproof, dampproofing effect, kills two birds with one stone, has redefined the meaning of lead seal.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention.

Fig. 2 is a schematic view of the structure of the lock groove of the present invention.

Fig. 3 is a schematic view of the assembly structure of the present invention.

Fig. 4 is a schematic view of the lead seal of the present invention.

Fig. 5 is a schematic view of the bayonet and the convex clip assembly of the present invention.

In the figure, a valve body 1, a valve rod 1-1, a lock hole 1-2, an edge 1-3, a lock groove 1-4, a special-shaped hole or a key hole 1-5, a through hole 1-6, a screw hole 1-7, a notch 1-8, a lock core 2, a lead seal 3, a bayonet 4 and a clamping bulge 5.

Detailed Description

To make the objects, technical solutions and advantages of the patent examples clearer, the technical solutions in the patent examples are clearly and completely described below with reference to the drawings in the patent examples, and obviously, the described examples are a part of the examples of the patent, but not all examples. All other examples, which can be obtained by a person skilled in the art without inventive step based on the examples in this patent, are within the scope of protection of this patent.

In the description of this patent, it is noted that the terms "around", "above", "below", "left", "right", "front", "back", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the patent and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the patent.

Referring to fig. 1-5, the present application discloses a double-locking double-sealing locking valve, which comprises a valve body 1, a valve rod 1-1, and a valve core; in the prior art, a valve core is arranged in a valve body 1, a valve rod 1-1 is connected to the valve core, the valve rod 1-1 extends out of the valve body 1, a convex edge 1-3 is arranged on the valve rod 1-1 extending out of the valve body 1 to wrap the valve rod 1-1 therein, and the valve rod 1-1 is rotated to drive the valve core to rotate; this is the structure of traditional lock valve, and in order to solve the problem that this application provided, specially added the function to the locking of valve rod 1-1 to convenient application is on nuclear core pipeline, avoids non-thermal technical staff to control privately, and its structure is as follows: the convex edges 1-3 are transversely provided with lock grooves 1-4, the lock grooves 1-4 and the convex edges 1-3 (or the valve body 1) on the valve body 1 are integrally formed, the lock grooves 1-4 are internally provided with lock cylinders 2, and the lock cylinders 2 can be fixedly arranged in the lock grooves 1-4 or detachably arranged in the lock grooves 1-4, and are specifically determined according to actual requirements;

wherein, the position department that lies in keyway 1-4 on valve rod 1-1 is equipped with lockhole 1-2, lock core 2 installs back in keyway 1-4, its spring bolt passes keyway 1-4 and can stretch into in lockhole 1-2, and then realize the valve rod 1-1 position of locking, this is first insurance, both realize the locking to valve rod 1-1 through installing lock core 2 additional, because the environment is abominable, therefore lock core 2 sets up and is difficult too complicated, otherwise the reliability of lock valve can the straight line decline, but if lock core 2 sets up simply, then influence the security, ordinary personnel have the key of the same kind, also probably open it, in order to solve this problem, this application further provides following scheme: the end part of the valve rod 1-1 is provided with a special-shaped hole or a key hole 1-5, so that a second lock is formed, and an ordinary person needs to have the two tools at the same time to rotate the locking valve, so that the safety of the locking valve is improved.

In the application, the end face of the valve rod 1-1 is recessed at the end part of the convex edge 1-3 on the valve body 1, the lead seal 3 is embedded in the concave part of the convex edge 1-3 on the valve body 1, meanwhile, through holes 1-6 are radially arranged on the valve rod 1-1 and the convex edge 1-3, and a steel wire on the lead seal 3 passes through the through holes 1-6 to be fixedly connected with the valve body 1.

In the application, the fore shaft surface of the lock core 2 is recessed in the lock groove 1-4, the lead seal 3 is embedded in the end surface recess of the lock groove 1-4, meanwhile, the two sides of the end part of the lock groove 1-4 are provided with the wire holes 1-7, the steel wire of the lead seal 3 passes through the wire holes 1-7 to be fixed with the lock groove 1-4, and the second lead seal 3 and the last lead seal 3 form a double seal. Lead seal 3 at this department also can play the protection to lock core 2, avoids dust and moisture to enter into lock core 2 in with lock core 2 corrosion or shutoff.

In the application, one side of the convex edge 1-3 on the lock groove 1-4 is provided with a notch 1-8 along the axial direction, when the lock cylinder 2 is arranged in the lock groove 1-4, the lock tongue is positioned at the notch 1-8, the structure is used for limiting the installation position of the lock cylinder 2, otherwise, after the lock cylinder 2 is arranged in the lock groove 1-4, if the lock tongue is not aligned with the lock hole 1-2 on the valve rod 1-1, locking can not be realized, and the alignment problem is solved; in addition, the lock core 2 and the lock grooves 1-4 are detachably or fixedly connected, and both are arranged, and can be selected according to actual conditions; meanwhile, the lock cylinder 2 is installed from a single end of the lock groove 1-4 or any one of two ends of the lock groove 1-4 (both ends can be installed), and when the single end is installed (a pipeline is attached to a wall, so that the problem that whether an installation opening of the lock groove 1-4 faces the wall exists or not) is met, the installation (left and right) direction of the valve body 1 is required; if both ends can be installed, the valve body 1 is not divided into left and right parts when being installed, and the implementation is more convenient.

In the application, a bayonet 4 is arranged on the valve rod 1-1 along the radial direction, a clamping protrusion 5 is correspondingly arranged on the convex edge 1-3 corresponding to the bayonet 4, when the valve rod 1-1 is installed in the valve body 1, the bayonet 4 is arranged in the clamping protrusion 5, the matching of the clamping protrusion 5 and the bayonet 4 is used for controlling the rotation amount of the valve rod 1-1, and for a locking valve, the locking valve is generally limited to rotate only 90 degrees.

The foregoing description is only of the preferred embodiments of this patent and the specific embodiments described above are not limiting of this patent; various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of this patent, and all such modifications, alterations, and equivalents as fall within the true spirit and scope of this patent are intended to be covered by this patent.

Claims

1. A double-locking double-sealing locking valve comprises a valve body, a valve rod and a valve core; wherein, a valve core is arranged in the valve body, a valve rod is connected on the valve core, the valve rod extends out of the valve body, a convex edge is arranged on the valve rod extending out of the valve body to wrap the valve rod in the valve rod, the edge and the valve body are integrally formed, and the valve rod is rotated to drive the valve core to rotate; the method is characterized in that:

the end of the valve rod is provided with a special-shaped hole or a key hole.

2. A double lock double seal lock valve according to claim 1, wherein: the end face of the valve rod is collapsed on the inner side of the edge.

3. A double lock double seal lock valve according to claim 2, wherein: lead seals are embedded in the sunken positions of the end parts of the edges.

4. A double lock double seal lock valve according to claim 1, wherein: through holes are arranged on the valve rod and the convex edge along the radial direction.

5. A double lock double seal lock valve according to claim 1, wherein: the fore shaft surface of the lock core is recessed in the lock groove.

6. A double lock double seal lock valve according to claim 5, wherein: and a lead seal is arranged on the end face of the locking groove.

7. A double lock double seal lock valve according to claim 6, wherein: and wire holes are formed in two sides of the lock groove, and the lead-sealed steel wire penetrates through the wire holes to be fixed with the lock groove.

8. A double lock double seal lock valve according to claim 1, wherein: a notch is axially arranged on one side of the convex edge of the lock groove, and when the lock cylinder is arranged in the lock groove, the lock tongue is positioned at the notch.

9. A double lock double seal lock valve according to claim 1, wherein: the lock cylinder is installed by a single end of the lock groove or any end of two ends of the lock groove.

10. A double lock and double seal lock valve as claimed in any one of claims 1 to 9, wherein: the valve rod is provided with a bayonet along the radial direction, a clamping protrusion is correspondingly arranged on the convex edge corresponding to the bayonet, when the valve rod is arranged in the valve body, the bayonet is positioned in the clamping protrusion, and the clamping protrusion and the bayonet are matched to control the rotation quantity of the valve rod.