CN211574385U

CN211574385U - Novel combined valve rod nut

Info

Publication number: CN211574385U
Application number: CN202020073742.8U
Authority: CN
Inventors: 金宗林; 汤小尚
Original assignee: Jingjia Valve Group Co ltd
Current assignee: Jingjia Valve Group Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-09-25
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a novel combined valve rod nut, which comprises an upper valve rod nut and a lower valve rod nut, wherein the inner walls of the upper valve rod nut and the lower valve rod nut are provided with internal threads matched with a valve rod, the opposite ends of the upper valve rod nut and the lower valve rod nut are respectively provided with a sleeve joint claw, the other ends of the upper valve rod nut and the lower valve rod nut are respectively provided with a locking component, the tail end of the locking component is connected with a push-pull component, the locking component comprises a locking seat connected with the outer ends of the upper valve rod nut and the lower valve rod nut, a locking rod is sleeved in the locking seat, the tail end of the locking rod is connected with an alignment disc, the surface of the alignment disc at the lower end is provided with an inserting hole, the surface of the alignment disc at the upper end is provided with a pressing buckle matched with the inserting hole, the push-pull component comprises a spring rod connected, and the assembly and disassembly are convenient, and the use is convenient.

Description

Novel combined valve rod nut

Technical Field

The utility model relates to the technical field of valves, specifically a novel combination formula valve-stem nut.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

Generally in the valve, the fixed of valve rod is realized through valve-stem nut, traditional valve utilizes valve-stem nut boss and lock nut to fix on the valve support, utilize the hand wheel to rotate valve-stem nut, drive valve rod and case and make the switching motion, the valve-stem nut of this kind of structure use, at the initial stage of opening the valve or closing the valve, valve-stem nut and lock nut atress is the biggest this moment, and maximum effort direct action on valve-stem nut's boss or valve-stem lock nut, cause valve-stem nut boss fracture easily or lock nut and the thread damage of valve-stem nut connection position, and general valve-stem nut is difficult to aim at in the insert nut room, and take out inconveniently, influence the use.

Disclosure of Invention

In order to overcome the not enough of prior art scheme, the utility model provides a novel combination formula valve-stem nut adopts integrated configuration's mode not only can effectively prevent the thread damage, and assembly and disassembly is convenient moreover, and convenient to use can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

a novel combined valve rod nut comprises an upper valve rod nut and a lower valve rod nut, wherein inner threads matched with a valve rod are arranged on the inner walls of the upper valve rod nut and the lower valve rod nut, sleeve-joint opposite claws are arranged at opposite ends of the upper valve rod nut and the lower valve rod nut, locking assemblies are arranged at the other ends of the upper valve rod nut and the lower valve rod nut, and the tail ends of the locking assemblies are connected with push-pull assemblies;

the locking assembly comprises locking seats connected to the outer ends of an upper valve rod nut and a lower valve rod nut, a locking rod is movably sleeved inside the locking seat at the upper end in a penetrating mode, the locking rod is fixedly connected to the inner portion of the locking seat at the lower end, the tail end of the locking rod is connected with an aligning disc, an inserting hole is formed in the surface of the aligning disc at the lower end, an inserting rod is arranged on the surface of the aligning disc at the upper end, a pressing buckle matched with the inserting hole is arranged on the surface of the inserting rod, the push-pull assembly comprises a spring rod connected to the outer end of the locking seat of the upper valve rod nut, the tail end of the spring rod is connected with the locking rod, the top end of the.

Furthermore, the outer wall of the sleeved claw is provided with a layer of magnet sheet.

Further, go up valve-stem nut and the relative one end of lower valve-stem nut still is provided with the buffer disc, the buffer disc surface evenly is provided with a plurality of gasbag pad, and is adjacent be provided with the elastic groove the same with gasbag pad size between the gasbag pad, the gasbag pad with the quantity in elastic groove is the same.

Furthermore, the outer end of the upper valve rod nut is provided with a guide ring, and the inner wall of the guide ring is uniformly provided with a plurality of spring gaskets.

Further, the spring gasket is arranged in an inward inclined mode, and a silica gel gasket is further arranged on the surface of the spring gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a to claw connection and accomplish the auto-lock with the valve rod between the last valve-stem nut that corresponds each other and the lower valve-stem nut and handle, dismantle simple to operate, simultaneously in the use, utilize the locking subassembly to stabilize accurate combination with last valve-stem nut and lower valve-stem nut, guarantee the accuracy of valve rod installation, utilize the mode of pressing simultaneously to realize the chucking and loosen, easy operation to valve-stem nut and lower valve-stem nut can be taken out fast to cooperation push-and-pull subassembly, the valve-stem nut's of being convenient for installation is used.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the top view structure of the upper stem nut or the lower stem nut of the present invention.

Reference numbers in the figures:

1-upper valve stem nut; 2-lower valve stem nut; 3-sleeving the opposite claws; 4-a locking assembly; 5-a push-pull assembly; 6-valve stem; 7-internal threads; 8-a magnet piece; 9-a buffer disc; 10-an airbag cushion; 11-an elastic groove; 12-a guide ring; 13-a spring washer;

401-a locking seat; 402-a locking bar; 403-alignment disk; 404-a plug hole; 405-a bayonet rod; 406-pressing button;

501-spring rod; 502-threaded rod; 503-limiting plate.

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.

As shown in fig. 1 and 2, the utility model provides a novel combination formula valve-stem nut, including last valve-stem nut 1 and lower valve-stem nut 2, it all is provided with the internal thread 7 that matches with valve rod 6 with lower valve-stem nut 2 inner wall to go up valve-stem nut 1, the relative one end of lower valve-stem nut 2 all is provided with cup joints claw 3, go up valve-stem nut 1 and the 2 other ends of lower valve-stem nut and all install locking Assembly 4, 4 end-to-end connection of locking Assembly has push-and-pull subassembly 5.

The problem of acting force direct action on stem nut or boss and lead to stem nut boss fracture or lock nut and the thread damage of stem nut connection position when using to the nut of valve rod among the prior art, this technical scheme adopts the stem nut structure of combination formula, adopt upper stem nut 1 and lower stem nut 2 intercombination to form a complete stem nut respectively, upper stem nut 1 inserts from the nut room upper end in the valve when installing the use, lower stem nut 2 inserts from the nut room lower extreme in the valve, both link together claw 3 through cup jointing after inserting, at this moment with valve rod 6 screw in, upper stem nut 1 and lower stem nut 2 pass through internal thread 7 auto-lock on valve rod 6, realize fixed mounting, only need during the dismantlement with valve rod 6 screw out can, convenient operation.

And on the other hand, for fixed valve-stem nut 1 and lower valve-stem nut 2 better, adopt locking Assembly 4 to be in the same place both are fixed, prevent that valve rod 6 from inserting the back off tracking, utilize push-and-pull subassembly 5 to realize simultaneously that fixing and separation between valve-stem nut 1 and the lower valve-stem nut 2 from the outside, easy operation is convenient, the later stage valve inner structure's of being convenient for maintenance.

The locking assembly 4 comprises a locking seat 401 connected to the outer ends of the upper valve-stem nut 1 and the lower valve-stem nut 2, a locking rod 402 is movably sleeved inside the locking seat 401 in a penetrating mode, the tail ends of the locking rods 402 are connected with alignment discs 403, insertion holes 404 are formed in the surfaces of the alignment discs 403 at the lower ends, insertion rods 405 are arranged on the surfaces of the alignment discs 403 at the upper ends, and pressing buckles 406 matched with the insertion holes 404 are arranged on the surfaces of the insertion rods 405.

After last valve-stem nut 1 and lower valve-stem nut 2 enter into the inside nut room of valve respectively, in order to guarantee to go up valve-stem nut 1 and lower valve-stem nut 2 and aim at completely, respectively to last valve-stem nut 1 and lower valve-stem nut 2 pressure application, make on the alignment dish 403 at both ends from top to bottom peg graft inside pole 405 inserts peg graft 404, thereby press button 406 and peg 404 to match each other the knot with peg 404 and be in the same place, thereby realize fixed equipment, and because the alignment dish 403 at both ends from top to bottom correspond each other, make to go up valve-stem nut 1 and lower valve-stem nut 2 only just correspond just can the block completely, the accuracy of combination between valve-stem nut 1 and the lower valve-stem nut 2 has been guaranteed, prevent the deviation.

Further, in this scheme, the pressing buckle 406 is fixed by adopting a pressing and clamping manner in the prior art, that is, after applying pressure, the pressing buckle 406 is clamped with the insertion hole 404, and after applying pressure again, the pressing buckle 406 is separated from the insertion hole 404, and here, the structure of the pressing buckle 406 is not particularly limited, and the structural buckle capable of realizing the functions of this scheme in the prior art can be used in this scheme.

Preferably, the push-pull assembly 5 includes a spring rod 501 connected to an outer end of the locking seat 401 of the upper stem nut 1, a distal end of the spring rod 501 is connected to the locking rod 402, a top end of the spring rod 501 is connected to a limit plate 503 through a threaded rod 502, the limit plate 503 is disposed at a top end of the upper stem nut 1, since a bonnet of a general valve is disposed at the top end, the stem nut is generally disassembled from the top end, the push-pull assembly 5 is disposed at the top end, that is, in order to facilitate direct assembly and disassembly from the top end, a length of the push-pull assembly 5 is adjusted to a height convenient to use by rotating the threaded rod 502, after adjustment, pressure is applied to the spring rod 501 by pressing the threaded rod 502, after buffering through the spring rod 501, the applied pressure is stably transmitted to the locking rod 402, so that the press buckle 406 on the insertion rod 405 of the upper alignment plate 403 is pressed into the insertion hole 404 of the lower alignment plate 403 Inside, valve-stem nut 1 and lower valve-stem nut 2's fast assembly in the realization, when needing to dismantle, only need press threaded rod 502 once more, can follow the separation from plug hole 404 according to pressing button 406 to will go up valve-stem nut 1 and lower valve-stem nut 2 separation.

Cup joint 3 outer walls of claw pair and be provided with one deck magnet piece 8, conveniently fix valve-stem nut 1 and lower valve-stem nut 2 through magnetic action.

Go up valve-stem nut 1 and the relative one end of lower valve-stem nut 2 still is provided with buffer disk 9, buffer disk 9 surface evenly is provided with a plurality of gasbag pad 10, and is adjacent be provided with between the gasbag pad 10 with gasbag pad 10 the same elastic groove 11 of size, gasbag pad 10 with the quantity of elastic groove 11 is the same, in order to protect when assembling last valve-stem nut 1 with lower valve-stem nut 2, adopts buffer disk 9 to protect, and after going up valve-stem nut 1 and lower valve-stem nut 2 and combining, two buffer disk 9 also are close to each other, because gasbag pad 10 is the same with elastic groove 11 size, and quantity is the same, and two buffer disk 9 lock-joints are in the same place after being close to last two buffer disk 9 down, cushions the protection through the elastic action of a plurality of gasbag pads 10 when taking place to strike simultaneously, prevents that local deformation from appearing in the nut.

It is further explained that the outer end of the upper valve stem nut 1 is provided with a guide ring 12, the inner wall of the guide ring 12 is uniformly provided with a plurality of spring gaskets 13, the spring gaskets 13 are arranged in an inward inclined manner, and the surface of each spring gasket 13 is also provided with a silica gel gasket 14, so that the spring gaskets 13 and the silica gel gaskets 14 on the surfaces of the spring gaskets 13 can effectively prevent collision when the valve stem 6 is inserted into the upper valve stem nut 1 and the lower valve stem nut 2 due to the guiding effect of the guide ring 12, and the spring gaskets 13 and the silica gel gaskets 14 on the surfaces of the spring gaskets 13 are used for buffering protection and preventing collision.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The novel combined valve rod nut is characterized by comprising an upper valve rod nut (1) and a lower valve rod nut (2), wherein inner threads (7) matched with a valve rod (6) are arranged on the inner walls of the upper valve rod nut (1) and the lower valve rod nut (2), a sleeve joint claw (3) is arranged at one end, opposite to the upper valve rod nut (1) and the lower valve rod nut (2), of the upper valve rod nut (1) and the other end of the lower valve rod nut (2) are both provided with a locking component (4), and the tail end of the locking component (4) is connected with a push-pull component (5);

the locking assembly (4) comprises a locking seat (401) connected with the outer ends of an upper valve rod nut (1) and a lower valve rod nut (2), a locking rod (402) penetrates through the interior of the locking seat (401) at the upper end and is movably sleeved, the locking rod (402) is fixedly connected in the locking seat (401) at the lower end, the locking rods (402) at the upper end and the lower end are connected with an alignment disc (403) at one end close to the interior, an insertion hole (404) is formed in the surface of the alignment disc (403) at the lower end, an insertion rod (405) is arranged on the surface of the alignment disc (403) at the upper end, a pressing buckle (406) matched with the insertion hole (404) is arranged on the surface of the insertion rod (405), the push-pull assembly (5) comprises a spring rod (501) connected with the outer end of the locking seat (401) of the upper valve rod nut (1), the top end of the spring rod (501) is connected with a limiting plate (503) through a threaded rod (502), and the limiting plate (503) is arranged at the top end of the upper valve rod nut (1).

2. A novel combined valve rod nut as claimed in claim 1, characterized in that the outer wall of the sleeved claw pair (3) is provided with a layer of magnet sheets (8).

3. The novel combined valve rod nut as claimed in claim 1, wherein a buffer disc (9) is further arranged at one end of the upper valve rod nut (1) opposite to the lower valve rod nut (2), a plurality of air bag cushions (10) are uniformly arranged on the surface of the buffer disc (9), an elastic groove (11) with the same size as the air bag cushions (10) is formed between the adjacent air bag cushions (10), and the number of the air bag cushions (10) is the same as that of the elastic grooves (11).

4. The novel combined valve rod nut as claimed in claim 1, characterized in that the outer end of the upper valve rod nut (1) is provided with a guide ring (12), and the inner wall of the guide ring (12) is uniformly provided with a plurality of spring washers (13).

5. The novel combined valve rod nut as claimed in claim 4, characterized in that the spring washer (13) is disposed in an inward inclined manner, and a silicone washer (14) is disposed on the surface of the spring washer (13).