CN211525668U - Ball valve locking device - Google Patents

Abstract

The utility model provides a ball valve locking device belongs to valve accessory technical field. The ball valve solves the problems that the existing ball valve is poor in adaptability and the lock catch handle can only lock the valve rod in a one-way mode. This ball valve locking device includes that valve body and upper end expose the valve rod outside the valve body, the valve rod upper end cover is equipped with and is long banding handle, wear to be equipped with the gliding hasp of handle relatively on the handle, the hasp lower extreme is equipped with towards the bellied lock foot of valve body direction, the lock foot lower extreme is equipped with the spacing groove, can dismantle on the outer valve body of valve rod to be fixed with lock seat and lock seat side direction be equipped with spacing groove joint restriction handle pivoted normally open lug, still be equipped with on the lock seat can restrict handle pivoted normally closed lug with spacing groove joint. This ball valve locking device can be better satisfy the diversified demand of user and realize multidirectional locking handle, and the practicality is higher.

Description

Ball valve locking device

Technical Field

The utility model belongs to the technical field of the valve accessory, a hasp is related to, especially, relate to a ball valve locking device.

Background

Ball valves with latching devices are also relatively ubiquitous in the existing market. The locking device is usually arranged on a handle of the ball valve, and then the locking device is blocked by a blocking block on the valve body to enable the handle and the valve body to be connected into a whole to limit the rotation of the handle, so that the effect of preventing the handle from being opened by people accidentally is achieved. However, if the common ball valve is not specially designed, the lock catch handle is difficult to be directly installed, so most manufacturers often need to design and produce two sets of ball valve products, one set is a ball valve which can be installed with the lock catch handle through special design, and the other set is a common ball valve product. When the customer demands the lock catch, the lock catch type ball valve is produced and sold, and when the customer does not need to install the lock catch, the common type ball valve is produced and sold. Such an operation brings about a significant problem of increased production cost. Especially, when a customer presets a common ball valve in the early stage, but the common ball valve which is already put into use in an installation field is expected to be modified into a ball valve with a lock catch in the later stage, the cost for modifying the common ball valve to meet the requirement of the customer is extremely high, and the valve needs to be disassembled and replaced into the valve with the lock catch.

The existing ball valve with the lock catch can only lock the handle when the ball valve is closed to prevent the ball valve from being opened accidentally by people, but along with the development of the market, the locking handle in a single direction can not meet the requirements of the existing users far away. Therefore, the above-mentioned problems are solved, which makes the problem to be solved not to be solved at present.

Disclosure of Invention

The utility model aims at providing a ball valve locking device to the above-mentioned problem that prior art exists. The ball valve solves the technical problems that the common ball valve is poor in adaptability and the lock catch handle can only lock the valve rod in a one-way mode.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a ball valve locking device, includes valve body and the valve rod that the upper end exposes outside the valve body, and the valve rod upper end cover is equipped with and is long banding handle, the cover is equipped with the gliding hasp of handle relatively of ability on the handle, and the hasp lower extreme is equipped with towards the bellied lock foot of valve body direction, and lock foot lower extreme is equipped with the spacing groove, its characterized in that, can dismantle on the outer valve body of valve rod to be connected with lock seat and lock seat side direction be equipped with spacing groove joint restriction handle pivoted normally open lug, still be equipped with on the lock seat can restrict handle pivoted normally closed lug with spacing groove joint.

Wear to be equipped with the gliding hasp of ability relative handle on the handle, can dismantle on the outer valve body of valve rod and be fixed with the lock seat, the setting of dismantling of lock seat makes us can satisfy multiple user's demand. When a user does not need the ball valve with the lock catch, the lock seat is only required to be detached, and the lock catch is taken down from the handle, so that the ball valve without the lock catch is not required to be redesigned and produced. If the ball valve with the locking device is needed by a user, only the locking seat and the lock catch need to be installed, and diversified requirements of the user can be better met.

The lock seat is laterally provided with a normally open lug which is clamped with the limit groove to limit the rotation of the handle. When normally open lug and spacing groove joint, the ball valve is in the open mode this time, and the valve rod is in locking state, can't receive external force to disturb and close the ball valve. The lock seat is also provided with a normally closed lug which can be clamped with the limit groove to limit the rotation of the handle. The lock catch on the handle slides towards the tail end of the handle, so that the limiting groove is separated from the normally open lug, then the handle is rotated to the normally closed lug, the lock catch moves towards the normally closed lug to realize the clamping connection of the limiting groove and the normally closed lug, and the effect of limiting the rotation of the valve rod is achieved. The locking device on the general valve can only lock and limit the position through the lock catch and the valve body, and usually only one locking state is used for preventing the loss caused by accidental opening of the ball valve when the ball valve is closed, and when the ball valve is in the closing state, the handle of the ball valve is locked. And this product is through addding the lock seat, set up a plurality of can and the hasp joint on the handle on the lock seat and restrict handle pivoted lug and realize the locking of ball valve under a plurality of states to satisfy our demand, realize multidirectional locking handle, the practicality obtains the reinforcing.

In foretell ball valve locking device, be equipped with a plurality of fins on the outer valve body of valve rod, lock seat lower extreme is equipped with the draw-in groove with the fin joint, and the fin restricts lock seat circumferential direction with draw-in groove joint.

The lock seat is sleeved on the valve body outside the valve rod, and the lock seat is circumferentially limited to form a whole with the valve body due to the fact that the lock seat is used for limiting the rotation of the handle and is clamped through the convex ribs and the clamping grooves. And such joint fixed mode is comparatively simple, makes things convenient for the assembly of lock seat greatly, reduces installation cost.

In foretell ball valve locking device, be equipped with the dog on the lock seat up end, be equipped with on the handle through the rotation can form the lug one and the lug two that support and be 90 degrees contained angles between the two with the dog, also be 90 degrees contained angles between normally open lug and the normally closed lug, lug one supports with the dog when normally open lug and spacing groove joint, lug two supports with the dog when normally closed lug and spacing groove joint.

The upper end face of the lock seat is provided with a stop block, the upper end face of the lock seat is provided with the stop block, the handle is provided with a first projection and a second projection which can form a block with the stop block through rotation, and an included angle of 90 degrees is formed between the two projections. The stop block is positioned between the first bump and the second bump at an included angle of 90 degrees, the handle is in an open state when being abutted against the first bump and in a closed state when being abutted against the second bump, the stop block and the first bump correspond to each other respectively in the two states, the normally open lug is clamped with the limiting groove in the open state, and the normally closed lug is clamped with the limiting groove in the closed state. The handle is locked in the opening state and the closing state to prevent manual interference in opening or closing of the valve body, and the requirement of a user on the multidirectional locking valve rod is met.

In a foretell ball valve locking device, the hasp includes suit head, extension section and hides the head, the suit headgear is established in the handle outside and can its slip relatively, it is located directly over the valve rod to hide the head, the extension section is connected and is hidden head and suit head.

The hasp includes suit head, extension section and shelters from the head, and the lock foot setting on the hasp is at the lower extreme of suit head, and the extension head is connected in the overhead upper end of suit and is extending towards valve rod up end direction, and the front end of extension head is being connected and is sheltering from the head. The shielding head has the function of shielding the upper end of the valve rod, and the valve rod and the handle are fixed by sleeving the handle on the valve rod and screwing a locking nut on the valve rod. The shielding head has the advantages that the locking nut is shielded, the phenomenon that the handle is manually taken down by unscrewing the locking nut after the valve rod is locked is avoided, the valve rod is rotated and adjusted, unnecessary loss is caused to people, and the safety of the locking device is improved due to the arrangement of the shielding head.

In the ball valve locking device, blocking edges protruding towards the valve body direction are further arranged on two sides of the blocking head.

The shielding head two sides are also provided with blocking edges protruding towards the direction of the valve body, the blocking edges can be prevented from being manually disassembled from the locking nut through special tools, and the safety of the valve body is further improved.

In the ball valve locking device, the handle is further provided with a small hole which can limit the sleeving head to slide towards the tail end of the handle by a padlock.

The small hole is used for preventing the normally open lug or the normally closed lug from being separated from the limiting groove due to the fact that the lock catch can be fixed on the valve rod in a sliding mode when the limiting groove in the lock catch and the normally open lug or the normally closed lug on the lock base form clamping and fixing mode.

Compared with the prior art, the product has the advantages that:

1. the upper lock seat is detachably mounted on the valve body, so that a user only needs to mount the upper lock seat and the lock catch on the ball valve with the lock catch device, and the user needs to assemble a common product without the lock seat, so that the possibility is achieved, and the diversified requirements of the user are well met.

2. The handle is locked by the lock seat through the lock catches, so that the handle can be locked in a multi-direction mode, and the practicability is high.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is another angular view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a part view of the lock housing of the present invention;

fig. 5 is a part view of the lock of the present invention.

In the figure, 1, a valve body; 11. a rib; 2. a valve stem; 3. a handle; 31. a first bump; 32. a second bump; 33. a small hole; 4. locking; 41. locking feet; 42. a limiting groove; 43. sleeving a head; 44. an extension section; 45. a shielding head; 46. a flange; 5. a lock seat; 51. a normal open lug; 52. a normally closed lug; 53. a card slot; 54. and a stop block.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, a ball valve locking device, including valve body 1, valve body 1 has the ball valve core that control valve body 1 opened and close, and the installation end that is used for installing valve rod 2 is offered to valve body 1 upper end utensil, and valve rod 2 wears to establish on the installation end and the fixed upper end of lower extreme and ball valve core exposes outside the installation end. The upper end of the valve rod 2 is connected with a handle 3, the handle 3 is in a long strip shape, one end of the handle is provided with a mounting hole for being sleeved on the valve rod 2, and the valve rod 2 and the handle 3 are fixedly connected through a locking nut so that the handle 3 can rotate to drive the valve rod 2 to rotate circumferentially.

As shown in fig. 2-5, the hand wheel is further sleeved with a latch 4, the latch 4 includes a sleeving head 43, an extending section 44 and a shielding head 45, the sleeving head 43 is sleeved outside the handle 3 and can slide relative to the handle, the shielding head 45 is located right above the valve rod 2, and the extending section 44 is connected with the shielding head 45 and the sleeving head 43. The upper end of extending the head and connecting on the suit head 43 and extending towards valve rod 2 up end direction, the front end of extending the head is connecting and is sheltering from head 45. The effect that shelters from head 45 shelters from lock nut, prevents that we from being by artificial taking off handle 3 through unscrewing lock nut after locking valve rod 2, rotates regulation again to valve rod 2, leads to the fact unnecessary loss for us, shelters from head 45's setting and makes this locking device's security obtain promoting. The two sides of the shielding head 45 are also provided with shielding edges 46 which protrude towards the valve body 1 and can shield the lateral direction of the locking nut, the arrangement of the shielding edges 46 can prevent the locking nut from being manually disassembled by a special tool, and the safety of the valve body 1 is further improved.

Can dismantle on the valve body 1 outside the valve rod 2 and be fixed with lock seat 5, the concrete connection mode is that the installation end is last to be equipped with two mutual symmetrical fin 11, and 5 lower extremes of lock seat are equipped with the draw-in groove 53 with fin 11 joint, and 5 circumferential direction of lock seat are restricted with draw-in groove 53 joint to fin 11. The upper end of the lock seat 5 is provided with a handle 3 for limiting the axial direction of the lock seat, so that the lock seat 5 is firmly fixed on the mounting end to form a whole with the valve body 1. The lock seat 5 is sleeved on the valve body 1 outside the valve rod 2, and the lock seat 5 is circumferentially limited by the clamping of the convex ribs 11 and the clamping grooves 53 to form a whole with the valve body 1 due to the fact that the lock seat 5 is used for limiting the rotation of the handle 3. And such joint fixed mode is comparatively simple, makes things convenient for the assembly of lock seat 5 greatly, reduces installation cost.

The lower end of the sleeving head 43 on the lock catch 4 is provided with a lock pin 41 protruding towards the direction of the valve body 1, the lower end of the lock pin 41 is provided with a limiting groove 42, the side direction of the lock seat 5 is provided with a normally open lug 51 connected with the limiting groove 42 in a clamping mode and used for limiting the rotation of the handle 3, and the lock seat 5 is further provided with a normally closed lug 52 connected with the limiting groove 42 in a clamping mode and used for limiting the rotation of the handle 3. The detachable arrangement of the lock base 5 enables us to meet the needs of various users. When the user does not need the ball valve with the lock catch 4, the lock base 5 is only required to be detached, and the lock catch 4 is only required to be taken down from the handle 3, so that the ball valve without the lock catch 4 is not required to be redesigned and produced. If a user needs the ball valve with the lock catch 4 device, only the lock seat 5 and the lock catch 4 need to be installed, and diversified requirements of the user can be better met.

The lock seat 5 is laterally provided with a normally open lug 51 which is clamped with the limit groove 42 to limit the rotation of the handle 3. When the normally open lug 51 and the spacing groove 42 joint, the ball valve is in the open state this time, and valve rod 2 is in the locking state, can't receive external force to disturb and close the ball valve. The lock seat 5 is also provided with a normally closed lug 52 which can be clamped with the limit groove 42 to limit the rotation of the handle 3. Firstly, the lock catch 4 on the handle 3 slides towards the tail end of the handle 3, so that the limiting groove 42 is separated from the normally open lug 51, then the handle 3 is rotated to the normally closed lug 52, the lock catch 4 moves towards the normally closed lug 52 to realize the clamping connection of the limiting groove 42 and the normally closed lug 52, and the effect of limiting the rotation of the valve rod 2 is achieved. The lock catch 4 device on the general valve can only lock and limit the position with the valve body 1 through the lock catch 4, and usually only one locking state is provided, namely the loss caused by the accidental opening of the ball valve is prevented when the ball valve is closed, and when the ball valve is in the closed state, the handle 3 of the ball valve is locked. And this product is through addding lock seat 5, set up a plurality ofly on lock seat 5 can realize the locking of ball valve under a plurality of states with 3 pivoted lugs of the 4 joint restriction handles of hasp on the handle 3 to satisfy our demand, realize multidirectional locking handle 3, the practicality is strengthened. The handle 3 is also provided with a small hole 33 which can limit the sliding of the sleeving head 43 towards the tail end of the handle 3 by the padlock. The small hole 33 is used for preventing the normally open lug 51 or the normally closed lug 52 from being separated from the limiting groove 42 caused by the sliding of the latch 4 because the latch 4 is slidably fixed on the valve rod 2 when the limiting groove 42 on the latch 4 forms a clamping fixation with the normally open lug 51 or the normally closed lug 52 on the lock seat 5.

As shown in fig. 3, a stopper 54 is disposed on the upper end surface of the lock base 5, the stopper 54 is disposed on the upper end surface of the lock base 5, a first projection 31 and a second projection 32 which can form a block with the stopper 54 by rotation are disposed on the handle 3, and form a 90-degree included angle therebetween, a 90-degree included angle is also formed between the normally open lug 51 and the normally closed lug 52, the first projection 31 abuts against the stopper 54 when the normally open lug 51 is connected with the limiting groove 42, and the second projection 32 abuts against the stopper 54 when the normally closed lug 52 is connected with the limiting groove 42. The stop block 54 is located between the first projection 31 and the second projection 32 at an included angle of 90 degrees, so that the handle 3 is in an open state when being abutted against the first projection 31 and in a closed state when being abutted against the second projection 32, the two states respectively correspond to each other, the normally open lug 51 in the open state is clamped with the limiting groove 42, and the normally closed lug 52 in the closed state is clamped with the limiting groove 42. The handle 3 can be locked in the opening state and the closing state to prevent interference of opening or closing of the valve body 1 by people, and the requirement of a user on the multidirectional locking valve rod 2 is met.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The utility model provides a ball valve locking device, includes valve body (1) and upper end and exposes valve rod (2) outside valve body (1), and the pot head is equipped with and is long banding handle (3) on valve rod (2), wear to be equipped with gliding hasp (4) of handle (3) relatively in the ability on handle (3), hasp (4) lower extreme is equipped with towards bellied lock foot (41) of valve body (1) direction, and lock foot (41) lower extreme is equipped with spacing groove (42), its characterized in that, can dismantle on valve body (1) outside valve rod (2) and be fixed with lock seat (5) and lock seat (5) side direction be equipped with spacing groove (42) joint restriction handle (3) pivoted normally open lug (51), still be equipped with on lock seat (5) can restrict handle (3) pivoted normally closed lug (52) with spacing groove (42) joint.

2. The ball valve locking device according to claim 1, wherein a plurality of ribs (11) are arranged on the valve body (1) outside the valve rod (2), a clamping groove (53) clamped with the ribs (11) is arranged at the lower end of the lock seat (5), and the ribs (11) are clamped with the clamping groove (53) to limit circumferential rotation of the lock seat (5).

3. The ball valve locking device according to claim 2, wherein a stop block (54) is arranged on the upper end face of the lock seat (5), a first protruding block (31) and a second protruding block (32) which can form a blocking part with the stop block (54) through rotation are arranged on the handle (3), the first protruding block (31) and the second protruding block (32) form a 90-degree included angle with the stop block (54), the first protruding block (31) and the stop block (54) form a 90-degree included angle with the normally open lug (51) and the normally closed lug (52), the normally open lug (51) and the limiting groove (42) are blocked when being clamped, and the second protruding block (32) and the blocking block (54) form a blocking part when the normally closed lug (52) and the limiting groove (42) are clamped.

4. A ball valve latching device as claimed in claim 1, 2 or 3, wherein the latch (4) comprises a fitting head (43), an extension section (44) and a shielding head (45), the fitting head (43) is fitted over the handle (3) and can slide relative thereto, the shielding head (45) is located directly above the valve rod (2), and the extension section (44) connects the shielding head (45) with the fitting head (43).

5. A ball valve latching device according to claim 4, characterized in that the shielding head (45) is provided with a shielding edge (46) protruding towards the valve body (1) on both sides.

6. A ball valve latching device as claimed in claim 5, wherein the handle (3) is further provided with a small hole (33) for limiting the sliding of the sleeving head (43) towards the end of the handle (3) by a padlock.

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