阅读说明：本技术 用于阀门的密码锁 (Coded lock for valve ) 是由 黄锡龙 于 2020-12-23 设计创作，主要内容包括：本发明提供了一种用于阀门的密码锁,属于锁具技术领域。它解决了在提高使用可靠性的同时造成使用不便的问题。本用于阀门的密码锁包括锁体以及密码锁盒,锁体下端开口,锁体由瓣体一与瓣体二拼合而成,瓣体一与瓣体二之间设有能将两者相固定并受密码锁盒控制解锁的锁定结构,锁体的开口由瓣体一与瓣体二相固定后所形成,瓣体一和/或瓣体二的下端内侧设有挡片,锁体侧部设有能供阀门的阀杆上端插入的连接槽,连接槽的侧壁包括两分别连接于连接槽的底壁两侧的配合面,当锁体通过连接槽套在阀门的阀杆上端并进行转动时能通过两配合面带动阀杆转动,两配合面之间的距离沿槽口至槽底方向逐渐缩小。本用于阀门的密码锁具备可靠性强、便利性高等优点。(The invention provides a coded lock for a valve, and belongs to the technical field of locks. The problem of inconvenient use when improving the use reliability is solved. This a trick lock for valve includes lock body and trick lock box, lock body lower extreme opening, the lock body is formed by lamella body one and the amalgamation of lamella body two, be equipped with between lamella body one and the lamella body two and fix mutually and receive the locking structure of trick lock box control unblock, the opening of lock body is formed after lamella body one is fixed with lamella body two, the lower extreme inboard of lamella body one and/or lamella body two is equipped with the separation blade, the lock body lateral part is equipped with the valve rod upper end male spread groove that can supply the valve, the lateral wall of spread groove includes that two do not connect the fitting surface in the diapire both sides of spread groove, can drive the valve rod through two fitting surfaces when the lock body passes through the spread groove cover and rotate in the valve rod upper end of valve, the distance between two fitting surfaces reduces along notch to tank bottom direction gradually. This a trick lock for valve possesses advantages such as strong, the convenience of reliability height.)

1. A trick lock for valve, including lock body (1) and connect in the trick lock box (2) on lock body (1) surface, lock body (1) lower extreme opening, lock body (1) is formed by lamella body one (1a) and lamella body two (1b) amalgamation, be equipped with between lamella body one (1a) and lamella body two (1b) and can fix both mutually and receive the locking structure of trick lock box (2) control unblock, the opening of lock body (1) is formed after lamella body one (1a) and lamella body two (1b) are fixed mutually, the lower extreme inboard of lamella body one (1a) and/or lamella body two (1b) is equipped with separation blade (1c), its characterized in that, lock body (1) lateral part be equipped with can supply the valve rod upper end male spread groove (1d) of valve, the lateral wall of spread groove (1d) includes that two are connected respectively in fitting surface (1d1) of the diapire both sides of spread groove (1d), when the lock body (1) is sleeved at the upper end of the valve rod of the valve through the connecting groove (1d) and rotates, the valve rod can be driven to rotate through the two matching surfaces (1d1), and the distance between the two matching surfaces (1d1) is gradually reduced along the direction from the notch to the bottom of the groove.

2. The combination lock for a valve as claimed in claim 1, wherein the two engagement surfaces (1d1) are rectangular and the bottom wall of the connecting groove (1d) is connected to the long sides of the two engagement surfaces (1d 1).

3. The combination lock for the valve according to claim 2, wherein the first flap body (1a) and the second flap body (1b) are both in the shape of a sheet, the side of the first flap body (1a) or the second flap body (1b) is provided with a protrusion (1e), the connecting groove (1d) is arranged on the protrusion (1e), and the notch of the connecting groove (1d) is located on the top surface of the protrusion (1 e).

4. The combination lock for a valve according to claim 3, wherein the first flap (1a) or the second flap (1b) and the projection (1e) are of an integral structure.

5. The combination lock for a valve according to claim 4, wherein the first flap body (1a) and the second flap body (1b) are made of metal materials.

6. The coded lock for the valve according to claim 3, wherein the projection (1e), the first petal body (1a) and the second petal body (1b) are made of metal materials, and the projection (1b) is fixedly connected to the side portion of the first petal body (1a) or the second petal body (1b) through welding.

7. The combination lock for a valve according to claim 2, wherein the first flap body (1a) and the second flap body (1b) are both block-shaped, and the connecting groove (1d) is formed in the first flap body (1a) or the second flap body (1 b).

Technical Field

The invention belongs to the technical field of locks, and relates to a coded lock for a valve.

Background

At present, valves having locking devices have been widely used in water supply lines, heating lines, or gas lines, which can be managed by community property or water companies. At present, the valve structure with the locking device mainly adopts a magnetic locking structure, such as the magnetic locking valve disclosed in patent application No. 200920313315.6, which realizes locking through a magnetic locking mechanism. However, the magnetic property of the magnetic member is weakened after long-term use, resulting in low reliability, and a master magnetic key that can be commonly used for various magnetic lock valves is currently available on the market, resulting in poor opening prevention.

Therefore, the applicant proposes a coded lock with application number 202010367219.0 and a valve with the coded lock, which comprises a lock body and a coded lock box connected to the surface of the lock body, wherein the lock body is of a cylindrical structure with the upper end closed and the lower end opened, the lock body comprises a first flap body and a second flap body which can be spliced into the cylindrical structure, a locking structure which can fix the first flap body and the second flap body and is controlled by the coded lock box is arranged between the first flap body and the second flap body, and the inner side of the lower end of the first flap body and/or the second flap body is provided with a blocking piece. During the use, the hand wheel of connecting on the valve rod is taken off, then support the lamella body one and lean on outside the upper end of valve body and ensure that the valve rod is located the lamella body inboard, it is fixed mutually through locking structure after the lamella body two and the lamella body one amalgamation again, make both make up into the upper end and seal lower extreme open-ended tubular structure, make the separation blade card of lamella body one and/or two lower extreme inboards of lamella body outside the valve body upper end, the valve rod just so is hidden in the lock body and can't operate, the locking of valve has been realized, and the defect that does not adopt the universal key to open or magnetism weakening exists, the reliability of using has been realized well.

However, since the handwheel or the handle on the valve rod is removed during locking, the manager needs to carry additional tools when needing to operate the valve, which causes inconvenience to the manager.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a coded lock for a valve, and solves the problem of inconvenient use while improving the use reliability.

The purpose of the invention can be realized by the following technical scheme:

a trick lock for valve, including the lock body and connect in the trick lock box on lock body surface, lock body lower extreme opening, the lock body is formed by the split of the lamella body one and the lamella body two, be equipped with between the lamella body one and the lamella body two and can fix mutually and receive the locking structure of trick lock box control unblock, the opening of lock body is formed after being fixed by the lamella body one and the lamella body two, the lower extreme inboard of the lamella body one and/or the lamella body two is equipped with the separation blade, a serial communication port, the lock body lateral part be equipped with the valve rod upper end male spread groove that can supply the valve, the lateral wall of spread groove includes two fitting surfaces that do not connect in the diapire both sides of spread groove, can drive the valve rod through two fitting surfaces and rotate when the lock body passes through the valve rod upper end of spread groove valve cover and rotates, the distance between two fitting surfaces is dwindled along.

This trick lock is applied to and realizes the locking function on the valve, hand wheel or handle in the valve rod upper end of valve will be connected takes off, make lamella body one and lamella body two throw off with the unlocking of locking structure through operation trick lock box, then with the separation blade card of lamella body lower extreme again with lamella body two and lamella body one over one another fixed formation complete lock body after the valve body upper end of valve is outer, so the separation blade of lamella body two lower extreme also can block outside the valve body upper end of valve, the cover is outside the valve body upper end in the lock body lower extreme simultaneously the valve rod stretches out the part outside the valve body and has also been hidden in the lock body. The valve body upper end threaded connection has the pressure cap, presses the cap to also be located the lock naturally, makes the trick lock can't take off from the valve body with the help of pressing blocking of cap to the separation blade to again under the unable condition of inputing correct password of trick lock box uncontrollable locking structure opens the lock body, improved the reliability of using again when having realized the valve locking.

When the valve or the opening of the regulating valve needs to be started, a manager only needs to input a correct password on the coded lock box to unlock the locking structure, so that the first petal body and the second petal body are separated, and the coded lock can be taken down from the valve body. Because be equipped with the spread groove on the lock body, but managers pass through the spread groove direct jacket outside the upper end of valve rod, and two fitting surfaces can press from both sides in the upper end both sides of valve rod, then only need rotate the lock body and just can drive the valve rod through two fitting surfaces and rotate in order to control the valve. In addition, the valve rod sizes of the valves with different specifications are different, so that the coded lock gradually reduces the distance between the two matching surfaces along the direction from the notch to the bottom of the groove, and the two matching surfaces can be matched with the valve rods with different sizes for transmission. Through the arrangement, the coded lock can be directly used as an operation tool after being unlocked, so that a manager does not need to additionally carry tools, and the convenience in use of the manager is improved while the unlocking prevention performance is improved.

In the above-mentioned trick lock for valve, both fitting surfaces are rectangular, and the diapire of spread groove is connected with the long limit of two fitting surfaces.

Use ball valve or gate valve commonly used as the example, valve rod upper end either is flat square or is the square form, consequently sets up the diapire that rectangle and spread groove and the long limit of two fitting surfaces through two fitting surfaces and is connected, can adapt above-mentioned arbitrary valve rod when just can making this trick lock as operation tool.

In foretell trick lock for valve, lamella body one all be the slice with lamella body two, lamella body one or two lateral parts of lamella body are equipped with the lug, the connecting groove is located on the lug and the notch of connecting groove is located the top surface of lug.

The first petal body and the second petal body are both in a sheet shape, so that the wall thickness of the lock body is thinner, the cost is saved, and therefore the convex block is arranged on the side portion of the first petal body or the side portion of the second petal body to be used for arranging the connecting groove, and the lock body can be directly used as an operation tool to improve the use convenience of managers.

In the above coded lock for a valve, the first flap body or the second flap body and the projection are of an integrated structure.

The valve rod can be dispersed to whole lock body on the effort that the lug was exerted to the valve rod when rotating on the lug structure as an organic whole of petal body one or petal body two, and the lug is difficult to break like this for the lock can rotate the valve rod as operation tool in order to improve the convenience in use.

In the coded lock for the valve, the first petal body and the second petal body are both made of metal materials.

The valve body I and the valve body II are made of metal materials, the lug and the valve body I or the valve body II are of an integrated structure, so that the connection between the lug and the valve body I or the valve body II is firmer, the mechanical strength of the whole lock body is higher, the lock body is not easy to damage when the valve rod is rotated as an tool, and the lock body can be reliably ensured to be used as an operation tool to rotate the valve rod so as to improve the convenience of use of management personnel.

In foretell trick lock for valve, as another kind of technical scheme, lug, lamella body one and lamella body two all adopt metal material to make, the lug links firmly in the lateral part of lamella body one or lamella body two through the welding.

In the above-mentioned trick lock for valve, as another technical scheme, lamella body one all be the cubic with lamella body two, the spread groove is located on lamella body one or lamella body two.

Compared with the prior art, this a trick lock for valve sets up the spread groove through the lateral part at the lock body for this trick lock can also directly regard as operation tool cover to use on the valve rod after the unblock, and managers just need not to carry the instrument in addition again like this, has improved managers's convenience of use again well when improving the anti-opening nature.

Drawings

Fig. 1 is a schematic diagram of a first embodiment of the combination lock for a valve according to the present invention.

FIG. 2 is a schematic view of the lock body in an opened state according to the first embodiment.

FIG. 3 is another schematic view of the lock body at an open angle according to the first embodiment.

Figure 4 is a schematic view of a combination lock box according to one embodiment.

FIG. 5 is a cross-sectional view of a bump according to an embodiment.

In the figure, 1, a lock body; 1a, a flap body I; 1b, a second petal body; 1c, a baffle plate; 1d, connecting grooves; 1d1, mating surface; 1e, a bump; 2. a combination lock box; 3. a protective cover.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-5, the combination lock for a valve includes a lock body 1 and a combination lock box 2 connected to the surface of the lock body 1, the lower end of the lock body 1 is open, the lock body 1 is formed by splicing a first petal body 1a and a second petal body 1b, a locking structure capable of fixing the first petal body 1a and the second petal body 1b and controlled to be unlocked by the combination lock box 2 is arranged between the first petal body 1a and the second petal body 1b, the opening of the lock body 1 is formed by fixing the first petal body 1a and the second petal body 1b, and blocking pieces 1c are arranged on the inner sides of the lower ends of the first petal body 1a and the second petal body 1 b. The side of the lock body 1 is provided with a connecting groove 1d for inserting the valve rod of the valve, the side wall of the connecting groove 1d comprises two matching surfaces 1d1 respectively connected to two sides of the bottom wall of the connecting groove 1d, specifically, the two matching surfaces 1d1 are both rectangular, the bottom wall of the connecting groove 1d is connected with the long edge of the two matching surfaces 1d1, and the distance between the two matching surfaces 1d1 is gradually reduced along the direction from the notch to the bottom of the groove.

As shown in fig. 1-4, the first flap body 1a and the second flap body 1b are both in the shape of a semicircular sheet, one side edges of the first flap body and the second flap body are hinged to each other, the upper end of the first flap body 1a is integrally and fixedly connected to the lower surface of the coded lock box 2, the locking structure is arranged between the other side edges of the first flap body 1a and the second flap body 1b, and the two flaps 1c are both in the shape of circular arc sheets. The side part of the first flap body 1a is provided with a convex block 1e, the connecting groove 1d is arranged on the convex block 1e, and the notch of the connecting groove 1d is positioned on the top surface of the convex block 1 e. Lug 1e is square piece, and flap body 1a and flap body two 1b adopt metal material to make specifically be the zinc alloy, lug 1e and flap body 1a formula structure as an organic whole. Instead of being disposed on the flap body 1a, the projection 1e may be disposed on the flap body 1 b. The coded lock box 2 is connected with a protective cover 3, and the coded lock box and the protective cover are connected in a hinged mode. The specific structure of the locking structure, the coded lock box 2 and the principle of the coded lock box 2 controlling the unlocking of the locking structure can refer to the coded lock and the valve with the coded lock disclosed in application No. 202010367219.0, which are not described herein again.

This trick lock is applied to and realizes the locking function on the valve, the hand wheel or the handle that will connect in the valve rod upper end of valve are taken off, make lamella body 1a and lamella body two 1b throw off with the unlocking of locking structure through operation trick lock box 2, then fix lamella body two 1b and lamella body one 1a again behind the valve body upper end of valve with separation blade 1c card of lamella body one 1a lower extreme again and form complete lock body 1, so separation blade 1c of lamella body two 1b lower extreme also can block outside the valve body upper end of valve, 1 lower pot head of lock body has been in the valve body upper end outside in other words the valve rod stretches out the part outside the valve body and has also been hidden in lock body 1. The upper end of the valve body is in threaded connection with a pressing cap which is naturally located in the lock body 1, the coded lock cannot be taken down from the valve body due to blocking of the pressing cap on the blocking piece 1c, and the locking structure cannot be controlled to open the lock body 1 under the condition that the correct password cannot be input into the coded lock box 2, so that the opening prevention performance and the use reliability are improved while the valve is locked.

When the valve or the opening of the regulating valve needs to be started, a manager only needs to input a correct password on the coded lock box 2 to unlock the locking structure, so that the first petal body 1a is separated from the second petal body 1b, and the coded lock can be taken down from the valve body. Because be equipped with spread groove 1d on the lock body 1, but the managers passes through spread groove 1d and directly overlaps outside the upper end of valve rod, then only need rotate lock body 1 and just can drive the valve rod and rotate in order to control the valve. Taking a common ball valve or gate valve as an example, the upper end of the valve rod is either flat or square, and can be matched and driven through two matching surfaces 1d1 in the connecting groove 1 d. In addition, the valve rod sizes of the valves with different specifications are different, so the coded lock is gradually reduced along the opening direction of the connecting groove 1d by setting the distance between the two matching surfaces 1d1, and the two matching surfaces 1d1 can be matched with the valve rods with different sizes for transmission.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in this embodiment, flap body 1a, flap body two 1b and lug 1e all adopt metal material to make, and lug 1e links firmly in flap body 1a lateral part through the welding. Of course, the projection 1e may be fixed to the side of the flap body 1b by welding.

EXAMPLE III

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in this embodiment, the lock body 1 is a cylinder, the first petal body 1a and the second petal body 1b are both block-shaped, and the connecting groove 1d is directly opened on the first petal body 1a or the second petal body 1 b.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.