CN210290900U

CN210290900U - Valve gland nut for valve with locking function

Info

Publication number: CN210290900U
Application number: CN201920790846.8U
Authority: CN
Inventors: 周明; 张艳
Original assignee: Gaoyou Special Fastener Factory
Current assignee: Gaoyou Special Fastener Factory
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-10
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a gland nut technical field just discloses a valve gland nut for valve with locking function of moving, which comprises a valve body, the top swing joint of valve body has the valve gap, the equal fixed mounting in the left and right sides of valve gap has the screw rod, two the screw rod top all with clamp plate swing joint, clamp plate top swing joint has the valve rod that runs through the valve gap and extend to in the valve body, screw rod external thread connection has the gland nut who is located the clamp plate top, gland nut is close to one side top rotation of valve rod and is connected with the waterproof cover. This valve gland nut for valve with locking moving has solved because the valve can make gland nut reverse gyration at the vibrations that the during operation can be not stopped, leads to the gland not hard up to make the filler seepage between valve rod and the valve gap, influence the wholeness ability of valve, in addition because the nut is in open-air environment for a long time, long-time rainwater seepage can lead to the problem of gland nut corrosion.

Description

Valve gland nut for valve with locking function

Technical Field

The utility model relates to a gland nut technical field specifically is a valve gland nut for valve with locking function of moving.

Background

The locknut is a common fastening locknut, and comprises mechanical locknut, riveting locknut, friction locknut, structural locknut and the like, wherein the mechanical locknut is used for directly limiting the relative rotation of a locknut pair by using a locknut retainer, for example, a starting pin, a serial steel wire, a retaining washer and the like are adopted, the riveting locknut is screwed down and then is subjected to methods of punching, welding or bonding and the like, so that the locknut pair loses the characteristic of a kinematic pair and is connected into non-detachable connection, and the friction locknut is used for generating positive pressure which does not change along with external force between the locknut pair so as to generate friction force capable of preventing the locknut pair from rotating relatively.

Because the valve can make gland nut reverse turn at the vibrations that the during operation can be not stopped, lead to the gland not hard up to make the filler seepage between valve rod and the valve gap, influence the wholeness ability of valve, because the nut is in open-air environment for a long time in addition, long-time rainwater seepage can lead to the gland nut corrosion, so proposed a valve with locking function and solved above-mentioned problem of proposing with the gland nut.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a valve is with valve gland nut with locking function, possess and prevent not hard up, easy dismounting prevents advantages such as rainwater seepage, has solved because the valve can be in the vibrations that the during operation does not stop, can make gland nut reverse rotation, results in the gland not hard up to make the filler seepage between valve rod and the valve gap, influence the wholeness ability of valve, in addition because the nut is in open environment for a long time, long-time rainwater seepage can lead to the problem of gland nut corrosion.

(II) technical scheme

For realizing above-mentioned preventing not hard up, easy dismounting prevents the purpose of rainwater seepage, the utility model provides a following technical scheme: a valve gland nut for a valve with an anti-loosening function comprises a valve body, wherein the top of the valve body is movably connected with a valve cover, the left side and the right side of the valve cover are fixedly provided with screw rods, the top parts of the two screw rods are movably connected with a pressing plate, the top part of the pressing plate is movably connected with a valve rod which penetrates through the valve cover and extends into the valve body, the screw rods are in external thread connection with gland nuts positioned at the top parts of the pressing plate, the top part of one side, close to the valve rod, of each gland nut is rotatably connected with a waterproof cover, the bottom part of the waterproof cover is fixedly connected with a buckling plate, one side, far away from the valve rod, of each gland nut is fixedly provided with a fixed block, one side, close to the gland nut, of the inner cavity of the fixed block is fixedly provided with a clamping block which penetrates through, one side fixed mounting that the valve rod was kept away from to the cavity has the fixed plate, one side swing joint that gland nut kept away from the valve rod has the movable rod that runs through the cavity and with the screw rod joint, movable rod outer wall fixedly connected with is located the baffle of cavity, the second spring that is located between fixed plate and the baffle has been cup jointed to the movable rod outer wall.

Preferably, the pressing plate is positioned at the top of the valve cover, and the internal thread of the gland nut is a thirty-degree wedge-shaped anti-loosening thread.

Preferably, the gland nut is a hexagonal flange nut, and the gland nut is a stainless steel nut.

Preferably, the waterproof cover is made of transparent plastic, and the clamping block is clamped with the clamping plate when the first spring is not compressed.

Preferably, the screw rod left and right sides all sets up the draw-in groove that is located between the adjacent screw thread and with movable rod looks adaptation, the movable rod is located waterproof cover.

Preferably, one side of the movable rod, which is far away from the screw rod, is fixedly provided with a handle positioned outside the gland nut, and the diameter of the baffle is larger than that of the second spring.

(III) advantageous effects

Compared with the prior art, the utility model provides a valve gland nut for valve with locking function possesses following beneficial effect:

1. this valve gland nut for valve with locking moving makes the fixture block joint to the buckle plate in through the waterproof cover at rotatory gland spiral shell top, has reached the effect that prevents the rainwater seepage.

2. This valve gland nut for valve with locking is become flexible, make first spring compression and break away from with the buckle board through pressing down the fixture block, thereby make waterproof cover can revolute the rotation of axes, then remove the movable rod and make the compression of second spring, loosen the movable rod when gland nut and clamp plate are fixed firm in the draw-in groove that the movable rod made the activity pole joint to the screw rod, reach and prevent to become flexible, make things convenient for the effect of dismouting, thereby effectual solved because the valve can the vibrations that do not stop at the during operation, can make the reverse gyration of gland nut, lead to the gland not hard up, and make the filler seepage between valve rod and the valve gap, influence the wholeness ability of valve, and because the nut is in open-air environment for a long time, long-time rainwater can lead to the problem of gland.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a partially enlarged schematic view of the point B shown in fig. 1 according to the present invention.

In the figure: 1 valve body, 2 valve covers, 3 screw rods, 4 pressing plates, 5 valve rods, 6 gland nuts, 7 waterproof covers, 8 buckle plates, 9 fixing blocks, 10 first springs, 11 clamping blocks, 12 cavities, 13 fixing plates, 14 movable rods, 15 baffle plates and 16 second springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a valve gland nut for a valve with anti-loosening function comprises a valve body 1, a valve cover 2 is movably connected to the top of the valve body 1, screws 3 are fixedly installed on the left side and the right side of the valve cover 2, the tops of the two screws 3 are movably connected with a pressing plate 4, the pressing plate 4 is located on the top of the valve cover 2, a valve rod 5 penetrating through the valve cover 2 and extending into the valve body 1 is movably connected to the top of the pressing plate 4, gland nuts 6 located on the top of the pressing plate 4 are in threaded connection with the screws 3, internal threads of the gland nuts 6 are thirty-degree wedge-shaped anti-loosening threads, the gland nuts 6 are hexagonal flange nuts, the gland nuts 6 are stainless steel nuts, a waterproof cover 7 is rotatably connected to the top of one side, close to the valve rod 5, the waterproof cover 7 is made of transparent plastic, a buckling plate 8 is fixedly connected to the bottom, a first spring 10 is fixedly arranged on one side of the inner cavity of the fixed block 9 close to the gland nut 6, a clamping block 11 which penetrates through and extends out of the fixed block 9 and is clamped with the clamping plate 8 is fixedly arranged at one end of the first spring 10 far away from the fixed block 9, the clamping block 11 is clamped with the clamping plate 8 when the first spring 10 is not compressed, a cavity 12 is arranged on one side of the gland nut 6 far away from the valve rod 5, a fixed plate 13 is fixedly arranged on one side of the cavity 12 far away from the valve rod 5, a movable rod 14 which penetrates through the cavity 12 and is clamped with the screw rod 3 is movably connected to one side of the gland nut 6 far away from the valve rod 5, clamping grooves which are positioned between adjacent threads and are matched with the movable rod 14 are respectively arranged on the left side and the right side of the screw rod 3, the movable rod 14 is positioned in the waterproof cover 7, a handle positioned outside the gland, the outer wall of the movable rod 14 is sleeved with a second spring 16 positioned between the fixed plate 13 and the baffle 15, and the diameter of the baffle 15 is larger than that of the second spring 16.

When using, make first spring 10 compress and break away from with buckle plate 8 through pressing down fixture block 11, thereby make waterproof cover 7 can revolute the rotation of axes, then remove movable rod 14 and make the compression of second spring 16, loosen movable rod 14 after gland nut 6 is fixed firm with clamp plate 4 and make movable rod 14 joint to screw rod 3 in the draw-in groove, reach and prevent not hard up, make things convenient for the effect of dismouting, make the fixture block 11 joint to buckle plate 8 in waterproof cover 7 through the 6 tops of rotating gland nut, the effect of preventing the rainwater seepage has been reached.

In conclusion, this valve gland nut for valve with locking moving, waterproof cover 7 through the rotatory gland spiral shell 6 top makes in fixture block 11 joint buckle 8, has reached the effect that prevents the rainwater seepage.

And, make first spring 10 compress and break away from with buckle plate 8 through pressing down fixture block 11, thereby make waterproof cover 7 can revolute the rotation of axes, then remove movable rod 14 and make the compression of second spring 16, loosen movable rod 14 and make movable rod 14 joint to screw rod 3's draw-in groove after gland nut 6 is fixed firm with clamp plate 4, reach and prevent becoming flexible, make things convenient for the effect of dismouting, thereby effectual solved because the valve can the vibrations that do not stop at the during operation, probably make gland nut reverse gyration, lead to the gland not hard up, and make the filler seepage between valve rod and the valve gap, influence the wholeness ability of valve, and because the nut is in open-air environment for a long time, long-time rainwater can lead to the problem of gland nut corrosion.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve gland nut for valve with locking function, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (2) is movably connected to the top of the valve body (1), screw rods (3) are fixedly mounted on the left side and the right side of the valve cover (2), the tops of the two screw rods (3) are movably connected with a pressing plate (4), a valve rod (5) penetrating through the valve cover (2) and extending into the valve body (1) is movably connected to the top of the pressing plate (4), a gland nut (6) located at the top of the pressing plate (4) is connected to the screw rod (3) through external threads, a waterproof cover (7) is rotatably connected to the top of one side, close to the valve rod (5), of the gland nut (6), a buckle plate (8) is fixedly connected to the bottom of the waterproof cover (7), a fixed block (9) is fixedly mounted on one side, far away from the valve rod (5), of the gland nut (6), a first, one end fixed mounting that fixed block (9) were kept away from in first spring (10) runs through and extends to fixed block (9) outer and fixture block (11) with pinch plate (8) joint, gland nut (6) are kept away from one side of valve rod (5) and have been seted up cavity (12), one side fixed mounting that valve rod (5) were kept away from in cavity (12) has fixed plate (13), one side swing joint that valve rod (5) were kept away from in gland nut (6) has movable rod (14) that runs through cavity (12) and with screw rod (3) joint, movable rod (14) outer wall fixedly connected with is located baffle (15) of cavity (12), second spring (16) that are located between fixed plate (13) and baffle (15) have been cup jointed to movable rod (14) outer wall.

2. The valve gland nut with anti-loosening function for the valve according to claim 1, wherein: the pressing plate (4) is located on the top of the valve cover (2), and the internal thread of the gland nut (6) is a thirty-degree wedge-shaped anti-loosening thread.

3. The valve gland nut with anti-loosening function for the valve according to claim 1, wherein: the gland nut (6) is a hexagonal flange nut, and the gland nut (6) is a stainless steel nut.

4. The valve gland nut with anti-loosening function for the valve according to claim 1, wherein: the waterproof cover (7) is made of transparent plastic, and the clamping block (11) is clamped with the clamping plate (8) when the first spring (10) is not compressed.

5. The valve gland nut with anti-loosening function for the valve according to claim 1, wherein: the clamping grooves which are located between adjacent threads and matched with the movable rods (14) are formed in the left side and the right side of the screw rod (3), and the movable rods (14) are located in the waterproof covers (7).

6. The valve gland nut with anti-loosening function for the valve according to claim 1, wherein: one side of the movable rod (14) far away from the screw rod (3) is fixedly provided with a handle positioned outside the gland nut (6), and the diameter of the baffle plate (15) is larger than that of the second spring (16).