Co-locking valve lock

Abstract

The utility model provides a co-locking valve lock which comprises buckle bodies, one sides of the buckle bodies are hinged to each other so that a hand wheel cavity can be formed when the buckle bodies are buckled, a valve rod groove is formed in the buckling face of one end of each buckle body, and a valve rod hole is formed when the buckle bodies are buckled with each other. The two buckle bodies are respectively provided with a locking part which is arranged in an outwards-protruding mode on the sides, away from the mutually-hinged sides, of the two buckle bodies, the locking part of one buckle body is provided with a lock cylinder and a lock tongue, the locking part of the other buckle body is provided with a locking groove, and the locking part of one buckle body is provided with an anti-disengaging groove; the lock further comprises a co-locking piece and a swing block, the co-locking piece is provided with a locking cavity, the swing block is provided with an eccentric block, and the eccentric block is controlled by the swing block to invade into the locking cavity to be clamped with the anti-disengaging groove so as to limit the co-locking piece to be disengaged from the two locking parts. The co-locking piece is provided with a plurality of first co-locking holes, and the swing block is provided with a plurality of second co-locking holes. The lock has the advantages of being capable of achieving reliable co-locking, simple in structure, attractive in appearance, high in integration degree and good in locking effect.

Description

Technical Field

[0001] This utility model relates to the field of valve locks, specifically to a co-locking valve lock. Background Technology

[0002] There are many types of valve locks available. Some valve locks are designed to lock valve handwheels by interlocking two locking bodies. Therefore, although such products achieve the purpose of locking, customer feedback after they were introduced to the market indicates that they can only be opened with multiple keys of the same tooth shape and cannot achieve a shared locking function. Utility Model Content

[0003] Based on the above problems, the purpose of this utility model is to provide a co-locking valve lock that can achieve reliable co-locking, has a simple structure, beautiful appearance, high degree of integration, and good locking effect.

[0004] To address the above problems, the following technical solution is provided: a co-locking valve lock, comprising latching bodies hinged together on one side to form a handwheel cavity when engaged; valve stem grooves are provided on the engagement surfaces at one end of the latching bodies, forming valve stem holes when engaged; both latching bodies have protruding locking portions on the side away from the hinge, wherein the locking portion of one latching body has a locking tongue controlled by a lock cylinder, and the locking portion of the other latching body has a locking groove that adapts to the locking tongue to lock and restrict the opening of the two latching bodies; the locking portion of one of the latching bodies has an anti-disengagement groove; and also includes... The device includes a common locking element and a swing block that can swing relative to the common locking element. The common locking element has a locking cavity for covering two locking parts to restrict the opening of the two buckles. The swing block and the common locking element are hinged together and have an eccentric block that swings with the swing block. The eccentric block is controlled by the swing block to invade into the locking cavity and engage with the anti-disengagement groove to restrict the common locking element from disengaging from the two locking parts. The common locking element has a plurality of first common locking holes and the swing block has a plurality of second common locking holes. When the eccentric block is engaged and fixed with the anti-disengagement groove, the first common locking holes and the second common locking holes are mutually connected.

[0005] The present invention is further configured such that, when the swing block is in the first position, the first common locking hole and the second common locking hole are connected to each other, and at the same time, the eccentric block invades into the locking cavity and merges with the anti-disengagement slot, so that the locking part of the other buckle abuts against the inner wall of the locking cavity; when the swing block is in the second position, the first common locking hole and the second common locking hole are staggered, and at the same time, the eccentric block is disengaged from the locking cavity, at which time the common locking member moves out from the locking part.

[0006] The present invention is further configured such that when the swing block is in the first position, each of the first common locking holes and each of the second locking holes are arranged at intervals along the same direction and are connected to each other one-to-one.

[0007] The present invention is further configured such that the co-locking member is provided with a swing groove, the swing block swings within the swing groove, and the first co-locking hole is opened through the side wall of the swing groove.

[0008] The present invention is further configured such that the swing block has a pushing part exposed in the swing groove.

[0009] The present invention is further configured such that when the swing block is in the first position, a positioning protrusion is provided on one side corresponding to the inner wall of the swing groove, and the swing groove is provided with a positioning port for positioning and cooperating with the positioning protrusion.

[0010] The present invention is further configured such that each of the two buckle bodies has an easy-release piece on the buckling surface at the other end, and an easy-release seam is provided between the easy-release piece and the end face of the buckle body. After the two easy-release pieces are broken off from the easy-release seam, a through rod hole is formed; the valve stem hole and the through rod hole are coaxially arranged.

[0011] The present invention is further configured such that when the swing block swings from the second position to the first position, the eccentric block gradually approaches and abuts against the anti-disengagement groove, squeezing and pushing the locking part of the other buckle body against the inner wall of the locking cavity.

[0012] The beneficial effects of this utility model are:

[0013] 1. The locking part is convex. After the two buckles are engaged, the locking cavity covers the locking part of the two buckles to restrict the two buckles from opening. At the same time, in order to prevent the locking cavity of the common locking member from sliding out of the two locking parts, the swing block controls the eccentric block to move closer to or away from the anti-disengagement groove along the hinge point. When it moves closer to the anti-disengagement groove, the eccentric block is located in the locking cavity. At this time, the eccentric block is engaged with the anti-disengagement groove to restrict the disengagement of the common locking member. At this time, the first common locking hole and the second common locking hole are connected to each other for external padlock. The lock beam of the padlock restricts the sliding of the swing block, thereby achieving the purpose of common locking.

[0014] 2. When the swing block is in the first position, the co-locking member and the swing block are in an anti-disengagement state and cannot be removed from the locking part; when the swing block is in the second position, the co-locking member and the swing block are in an unlocked anti-disengagement state and can be removed from the locking part.

[0015] 3. Enables multiple users with different permissions to share the lock;

[0016] 4. For some valves where the valve stem protrudes through the handwheel, the end of the valve stem can be exposed by removing the easy-release plate. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the locking state of the co-locking component of this utility model.

[0018] Figure 2 This is a full-section three-dimensional structural diagram of the locking state of the co-locking component of this utility model.

[0019] Figure 3 This is a full-section three-dimensional structural diagram of the locking state of the co-locking component of this utility model.

[0020] Figure 4 This is a three-dimensional structural diagram of the co-locking component of this utility model in the open state.

[0021] Figure 5 This is a full-section three-dimensional structural diagram of the co-locking component of this utility model in the open state.

[0022] Figure 6 This is a full-section three-dimensional structural diagram of the co-locking component of this utility model in the open state.

[0023] Figure 7 This is a three-dimensional structural diagram of the co-locking member and the locking part of this utility model in a separated state.

[0024] Figure 8 This is a full-section three-dimensional structural diagram of the co-locking component and the locking part of this utility model in a separated state.

[0025] Figure 9 This is a full-section three-dimensional structural diagram of the buckle body in the open state of this utility model.

[0026] Figure 10 This is a three-dimensional structural diagram of the buckle body in the open state of this utility model.

[0027] The labels in the diagram have the following meanings: 10-Snap body; 101-Easy-to-remove piece; 102-Easy-to-remove seam; 103-Through rod hole; 11-Handwheel cavity; 12-Valve stem groove; 13-Valve stem hole; 14-Locking part; 141-Lock cylinder; 142-Lock tongue; 143-Locking groove; 144-Anti-disengagement groove; 20-Common locking component; 201-Locking cavity; 202-First common locking hole; 203-Swing groove; 204-Positioning port; 21-Swing block; 211-Eccentric block; 212-Second common locking hole; 213-Push part; 214-Positioning protrusion. Detailed Implementation

[0028] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0029] refer to Figures 1 to 10 ,like Figures 1 to 10The illustrated co-locking valve lock includes two latching bodies 10 that are hinged together on one side to form a handwheel cavity 11 when engaged. A valve stem groove 12 is provided on the engagement surface of one end of each latching body 10, forming a valve stem hole 13 when engaged. Each latching body 10 has a protruding locking portion 14 on the side away from the hinge. One latching body 10's locking portion 14 has a locking tongue 142 controlled by a lock cylinder 141, and the other latching body 10's locking portion 14 has a locking groove 143 that is adapted to lock the locking tongue 142 to restrict the opening of the two latching bodies 10. One of the latching bodies 10's locking portion 14 also has an anti-disengagement groove 144. The lock also includes a co-locking member 20 and a mechanism that can be used relative to the co-locking member 20. The swing block 21 has a locking cavity 201 for covering the two locking parts 14 to restrict the opening of the two buckles 10. The swing block 21 and the locking member 20 are hinged together and have an eccentric block 211 that swings with the swing block 21. The eccentric block 211 is controlled by the swing block 21 to invade into the locking cavity 201 and engage with the anti-disengagement groove 144 to restrict the locking member 20 from disengaging from the two locking parts 14. The locking member 20 has a plurality of first co-locking holes 202 and the swing block 21 has a plurality of second co-locking holes 212. When the eccentric block 211 is engaged and fixed with the anti-disengagement groove 144, the first co-locking holes 202 and the second co-locking holes 212 are mutually connected.

[0030] In the above structure, the locking part 14 is convex. After the two buckles 10 are engaged, the locking cavity 201 covers the locking part 14 of the two buckles 10 to restrict the two buckles 10 from opening. At the same time, in order to prevent the locking cavity 201 of the co-locking member 20 from sliding out of the two locking parts 14, the swing of the swing block 21 controls the eccentric block 211 to move closer to or away from the anti-disengagement groove 144 along the hinge point. When it moves closer to the anti-disengagement groove 144, the eccentric block 211 is located in the locking cavity 201. At this time, the eccentric block 211 is engaged with the anti-disengagement groove 144, restricting the disengagement of the co-locking member 20. At this time, the first co-locking hole 202 and the second co-locking hole 212 are connected to each other for external padlock (not shown in the figure). The lock beam of the padlock (not shown in the figure) restricts the sliding of the swing block 21, thereby achieving the purpose of co-locking. The handwheel cavity 11 is used to place the handwheel of the valve.

[0031] In this embodiment, when the pendulum block 21 is in the first position (refer to...) Figures 1-3 The first common locking hole 202 and the second common locking hole 212 are mutually connected, and at the same time, the eccentric block 211 invades into the locking cavity 201 and engages with the anti-disengagement groove 144, causing the locking part 14 of the other buckle 10 to abut against the inner wall of the locking cavity 201; when the swing block 21 is in the second position (refer to Figures 4-10 The first co-locking hole 202 and the second co-locking hole 212 are offset from each other, and the eccentric block 211 is disengaged from the locking cavity 201. At this time, the co-locking member 20 is moved out of the locking part 14.

[0032] In the above structure, when the swing block 21 is in the first position, the locking member 20 and the swing block 21 are in an anti-disengagement state and cannot be removed from the locking part 14 (see reference). Figures 1-3 When the swing block 21 is in the second position, the locking member 20 and the swing block 21 are in an unlocked anti-disengagement state and can be removed from the locking part 14 (see reference). Figures 4-10 ).

[0033] In this embodiment, when the pendulum block 21 is in the first position (refer to...) Figures 1-3 Each of the first common locking holes 202 and each of the second locking holes are arranged at intervals along the same direction and are connected to each other one-to-one.

[0034] The above structure allows for shared locking by multiple users with different permissions.

[0035] In this embodiment, the co-locking member 20 is provided with a swing groove 203, the swing block 21 swings within the swing groove 203, and the first co-locking hole 202 is opened through the side wall of the swing groove 203.

[0036] In the above structure, the swing groove 203 provides good guidance for the swing block 21, and the first locking hole 202 is opened through both sides of the swing groove 203.

[0037] In this embodiment, the swing block 21 is provided with a pushing part 213 exposed in the swing groove 203.

[0038] In the above structure, the pushing part 213 is provided with friction texture (not shown in the figure) to improve the force effect when the pendulum block 21 swings.

[0039] In this embodiment, when the swing block 21 is in the first position, a positioning protrusion 214 is provided on one side corresponding to the inner wall of the swing groove 203 (see reference). Figures 4-10 The swing groove 203 is provided with a positioning port 204 for positioning and cooperating with the positioning protrusion 214.

[0040] In the above structure, the user is provided with a sense of segmentation when the pendulum 21 reaches the first position.

[0041] In this embodiment, each of the two buckle bodies 10 has an easy-release piece 101 on its fastening surface at the other end. An easy-release seam 102 is provided between the easy-release piece 101 and the end face of the buckle body 10. After the two easy-release pieces 101 are broken off from the easy-release seam 102, they form a through rod hole 103. The valve stem hole 13 and the through rod hole 103 are coaxially arranged.

[0042] In the above structure, for some valves where the valve stem protrudes through the handwheel, the end of the valve stem is exposed by removing the easy-release plate 101.

[0043] In this embodiment, when the swing block 21 swings from the second position to the first position, the eccentric block 211 gradually approaches and abuts against the anti-disengagement groove 144, squeezing and pushing the locking part 14 of the other buckle 10 against the inner wall of the locking cavity 201.

[0044] In the above structure, the locking firmness of the co-locking member 20 is ensured by compression.

[0045] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model. These improvements and modifications assumed above should also be considered within the protection scope of the present utility model.

Claims

1. A co-locked valve lock, comprising a buckle body hinged to each other on one side so that both form a hand wheel cavity when buckled, a buckling surface on one end of the two buckle bodies is provided with a valve rod slot and forms a valve rod hole when buckled to each other; both sides of the two buckle bodies away from the hinged side are provided with outwardly protruding locking parts, the locking part of one of the buckle bodies is provided with a lock tongue controlled by a lock cylinder, and the locking part of the other buckle body is provided with a locking slot adapted to lock with the lock tongue to limit the opening of the two buckle bodies, characterized in that: One of the locking parts of the two buckling bodies is provided with an anti-disengagement groove; further comprising a common locking piece and a swing block swingable relative to the common locking piece, the common locking piece is provided with a locking cavity for covering the two locking parts to limit the opening of the two buckling bodies, the swing block is hinged to the common locking piece and is provided with an eccentric block following the swing of the swing block, the eccentric block is controlled by the swing block to intrude into the locking cavity and is engaged with the anti-disengagement groove to limit the disengagement of the common locking piece from the two locking parts; the common locking piece is provided with a plurality of first common locking holes, the swing block is provided with a plurality of second common locking holes, and the first common locking holes and the second common locking holes are correspondingly communicated when the eccentric block is engaged with the anti-disengagement groove.

2. A co-locking valve lock according to claim 1, wherein: When the swing block is in the first position, the first common locking holes and the second common locking holes are correspondingly communicated, and the eccentric block intrudes into the locking cavity and is engaged with the anti-disengagement groove, and the locking part of the other buckling body abuts against the inner wall of the locking cavity; when the swing block is in the second position, the first common locking holes and the second common locking holes are misaligned, and the eccentric block swings out of the locking cavity, and the common locking piece is removed from the locking part.

3. A co-locking valve lock according to claim 2, wherein: When the swing block is in the first position, each first common locking hole and each second common locking hole are arranged in the same direction and are one-to-one communicated.

4. A co-locking valve lock according to claim 2, wherein: The common locking piece is provided with a swing groove, the swing block swings in the swing groove, and the first common locking holes are throughly provided on the side wall of the swing groove.

5. A co-locking valve lock according to claim 4, wherein: The swing block is provided with a push part exposed to the swing groove.

6. A co-locked valve lock according to claim 4 or 5, wherein: When the swing block is in the first position, one side corresponding to the inner wall of the swing groove is provided with a positioning convex point, and the swing groove is provided with a positioning opening for positioning cooperation with the positioning convex point.

7. A co-locking valve lock according to claim 1, wherein: The easy-to-disassemble pieces are provided on the buckling surfaces of the other ends of the two buckling bodies, and the easy-to-disassemble pieces and the end surfaces of the buckling bodies are provided with easy-to-disassemble seams, and the easy-to-disassemble pieces are broken from the easy-to-disassemble seams to form through rod holes; the valve rod holes and the through rod holes are coaxially arranged.

8. A co-locking valve lock according to claim 2, wherein: When the swing block swings from the second position to the first position, the eccentric block gradually approaches and abuts against the anti-disengagement groove to push the locking part of the other buckling body to abut against the inner wall of the locking cavity.

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