CN217927432U

CN217927432U - Combined valve rod nut

Info

Publication number: CN217927432U
Application number: CN202221496738.8U
Authority: CN
Inventors: 李志龙
Original assignee: Taizhou Wanxin Pump Valve Accessories Co ltd
Current assignee: Taizhou Wanxin Pump Valve Accessories Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-29
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a combination formula valve-stem nut, including last valve-stem nut and lower valve-stem nut, it is used for carrying out the locking subassembly of fixing a position to last valve-stem nut and lower valve-stem nut to be provided with on the one end surface that last valve-stem nut and lower valve-stem nut are close to mutually, the locking subassembly is including the fixed block of symmetry vertical fixation in last valve-stem nut lower extreme surface both sides, the thread groove has been seted up in the vertical running through of fixed block, thread groove female connection has the threaded rod, the lower extreme bearing connection of threaded rod is in supporting the piece, the fixed handle that is equipped with in upper end, support under the piece clearance be provided with the installation piece, the installation piece is installed on the supporting shoe, supporting shoe vertical fixation is in valve-stem nut upper end surface both sides down, support and install the inserted block on the piece lower surface, the inserted block is pegged graft in the slot that corresponding department was seted up in the installation piece, it has the magnet piece to support piece lower surface and install the laminating of upper surface department, the through-stem nut has the through-hole with the corresponding department on the magnet piece.

Description

Combined valve rod nut

Technical Field

The utility model relates to a valve-stem nut technical field especially relates to combination formula valve-stem nut.

Background

The valve rod nut is composed of a nut cap and a nut rod, the valve rod nut is usually used for fixing a valve rod in a valve, the existing valve rod nut is difficult to align when being inserted into a nut chamber, the use of the valve rod is influenced, and the valve rod is easy to deviate.

According to "a novel combination formula valve-stem nut" that publication number is CN211574385U, it is detained through setting up threaded rod, spring beam, locking lever, pressing, rotates the threaded rod earlier and adjusts its length convenient and practical, then presses down the screw rod and applys pressure to the spring beam for the locking lever can drive and press to detain and insert in the spliced eye, thereby can realize two valve-stem nut's alignment. However, it is troublesome to do this, and it is necessary to rotate the threaded rod to adjust the length of the threaded rod and then press the threaded rod to apply pressure to the spring rod.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a combination formula valve-stem nut, at this in-process, through magnet piece, threaded rod and the inserted block that sets up, under the inter attraction of magnet piece, the magnet piece guides the moving direction of inserted block, only needs to rotate to make the inserted block insert the installation piece fast accurately in, realizes that valve-stem nut and lower valve-stem nut's accurate is connected, need not to carry out other operations, and is very convenient

In order to solve the technical problem, the utility model provides a following technical scheme: the combined type valve rod nut comprises an upper valve rod nut and a lower valve rod nut, wherein a locking assembly used for positioning the upper valve rod nut and the lower valve rod nut is arranged on the outer surface of one end, close to each other, of the upper valve rod nut and the lower valve rod nut, the locking assembly comprises fixing blocks which are symmetrically and vertically fixed on two sides of the outer surface of the lower end of the upper valve rod nut, thread grooves are vertically formed in the fixing blocks in a penetrating mode, threaded rods are connected to the thread grooves in a threaded mode, the lower end of each threaded rod is connected in a supporting block in a bearing mode, and rotating handles are fixedly arranged at the upper ends of the threaded rods; the mounting block is arranged on the supporting block, and the supporting block is vertically fixed on two sides of the outer surface of the upper end of the lower valve rod nut; the inserting block is arranged on the lower surface of the abutting block and is inserted into the corresponding slot in the mounting block; and the magnet block is pasted on the lower surface of the abutting block and the upper surface of the mounting block, and a through hole is formed in the position, corresponding to the inserting block, of the magnet block.

As a preferred technical scheme of the utility model, the symmetry is provided with two fixture blocks on the both sides cell wall of slot, two draw-in grooves have been seted up to the bottom surface bilateral symmetry of inserted block, the shape, the size looks adaptation of draw-in groove and fixture block.

As the utility model discloses a preferred technical scheme, the fixture block is the rubber material, and its one end with the inserted block joint is convex, the draw-in groove is the arc wall.

As an optimal technical scheme of the utility model, the one end that goes up valve-stem nut and valve-stem nut is relative down all is provided with cup joints the claw.

As an optimized technical scheme of the utility model, cup joint and be provided with the one deck magnet piece on the outer wall of claw.

As an optimal technical scheme of the utility model, the inside screw thread of going up valve-stem nut and valve-stem nut down is provided with the valve rod, the one end outside that goes up valve-stem nut and valve-stem nut down is relative is provided with the round dashpot.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

when using this valve-stem nut, in order to guarantee that valve-stem nut and lower valve-stem nut can aim at, the threaded rod rotates, make the threaded rod move down, it moves down through supporting the piece drive inserted block, it is moving down the in-process to support the piece, be close to the installation piece gradually, the magnet piece that is located on the installation piece attracts the magnet piece that is located to support on the piece, two magnet pieces are close to gradually, and attract each other, guide the direction of inserted block, make the inserted block can insert the installation piece fast accurately, link together last valve-stem nut and lower valve-stem nut, prevent that the valve rod from inserting back off tracking, in this in-process, only need rotate to change can realize the accurate of last valve-stem nut and lower valve-stem nut and be connected, need not to carry out other operations, and is very convenient.

Drawings

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

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

FIG. 3 is an enlarged view of the other state at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of the sleeved claw pair structure of the present invention;

wherein: 1. an upper stem nut; 2. a lower stem nut; 3. a valve stem; 4. a buffer tray; 5. a supporting block; 6. mounting blocks; 7. a clamping block; 701. a card slot; 8. a fixed block; 9. a threaded rod; 901. a thread groove; 10. turning a handle; 11. a resisting block; 12. a magnet block; 13. inserting a block; 14. sleeving the opposite claws; 15. and a magnet piece.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

As shown in fig. 1, 2 and 3, the utility model provides a combined type stem nut, including an upper stem nut 1 and a lower stem nut 2, a locking component for positioning the upper stem nut 1 and the lower stem nut 2 is arranged on the outer surface of one end of the upper stem nut 1 and the lower stem nut 2 which are close to each other, the locking component includes fixed blocks 8 which are symmetrically and vertically fixed on two sides of the outer surface of the lower end of the upper stem nut 1, a thread groove 901 is vertically arranged in the fixed block 8 in a penetrating manner, the thread groove 901 is connected with a threaded rod 9 in a thread way, the lower end bearing of the threaded rod 9 is connected in a resisting block 11, the upper end is fixedly provided with a rotating handle 10, an installation block 6 is arranged in a gap under the resisting block 11, the installation block 6 is installed on a supporting block 5, the supporting block 5 is vertically fixed on two sides of the outer surface of the upper end of the lower stem nut 2, an insertion block 13 is installed on the lower surface of the resisting block 11, the insertion block 13 is inserted in a slot which is arranged in a corresponding position in the installation block 6, the lower surface of the resisting block 11 and the upper surface of the installation block 6 are covered with a magnet block 12, and a through hole is arranged on the magnet block 12 corresponding to the insertion block 13;

when the valve rod 3 nut is used, the upper valve rod nut 1 is inserted from the upper end of a nut chamber in a valve door, the lower valve rod nut 2 is inserted from the lower end of the nut chamber in the valve door, in order to ensure that the upper valve rod nut 1 and the lower valve rod nut 2 can be aligned, the rotating handle 10 is rotated, the rotating handle 10 drives the threaded rod 9 to rotate, when the threaded rod 9 rotates, the threaded rod 9 moves downwards through the arranged threaded groove 901, the threaded rod drives the abutting block 11 to move downwards, the abutting block 11 drives the inserting block 13 to move downwards, the abutting block 11 is gradually close to the mounting block 6 in the moving downwards process, the magnet block 12 arranged on the abutting block 11 and the magnet block 12 arranged on the mounting block 6 are gradually close to each other and mutually attracted, the magnet block 12 arranged on the mounting block 6 attracts the magnet block 12 arranged on the abutting block 11, the direction of the inserting block 13 is guided, the inserting block 13 can be rapidly and accurately inserted into the mounting block 6, the upper valve rod nut 1 and the lower valve rod nut 2 are accurately connected together, the valve rod 3 is prevented from being deviated after the valve rod 3 is inserted, and the rotating handle 10 can be connected with the valve rod nut 2 very conveniently without other operations.

As shown in fig. 2 and 3, two clamping blocks 7 are symmetrically arranged on the two side groove walls of the slot, two clamping grooves 701 are symmetrically arranged on the two sides of the outer surface of the bottom end of the inserting block 13, the clamping grooves 701 are matched with the clamping blocks 7 in shape and size, the clamping blocks 7 are made of rubber, the ends of the clamping blocks 7, which are clamped with the inserting block 13, are arc-shaped, and the clamping grooves 701 are arc-shaped grooves;

when the valve rod 3 nut is used, the rotating handle 10 is rotated, the rotating handle 10 drives the threaded rod 9 to rotate, the threaded rod 9 moves downwards under the action of the threaded groove 901, the supporting block 11 drives the inserting block 13 to move downwards, the inserting block 13 is inserted into the slot, when the inserting block 13 is inserted into the slot, the front end of the inserting block 13 is firstly contacted with the clamping block 7 arranged in the slot, the clamping block 7 is made of rubber, the clamping block 7 is extruded to deform, the inserting block 13 can smoothly enter the slot, then the clamping block 7 is contacted with the slot formed in the inserting block 13 and is not extruded any more, the deformation is recovered, the inserting block is clamped into the clamping groove 701, the inserting block 13 is fixed, when the front ends of the clamping groove 701 and the clamping block 7 are arc-shaped, the lines of the clamping block are smooth, when the inserting block 13 is pulled out, the clamping block 7 is convenient to deform, and the clamping block can be separated from the clamping groove 701.

As shown in fig. 4, the opposite ends of the upper valve rod nut 1 and the lower valve rod nut 2 are both provided with a sleeving couple claw 14, and the outer wall of the sleeving couple claw 14 is provided with a layer of magnet sheet 15;

when using this valve rod 3 nut, go up valve rod nut 1 and insert from the nut room upper end in the valve door, lower valve rod nut 2 inserts from the nut room lower extreme in the valve door, and both insert and link together claw pair 14 through cup jointing after both, select valve rod 3 to the centre, set up and can make cup joint claw pair 14 magnetism inhale together at the magnet piece 15 that cup joints claw pair 14, conveniently fix upper valve rod nut 1 and lower valve rod nut 2.

As shown in fig. 1, the internal threads of the upper valve stem nut 1 and the lower valve stem nut 2 are provided with a valve stem 3, and the outer part of one end of the upper valve stem nut 1 opposite to one end of the lower valve stem nut 2 is provided with a circle of buffer disc 4;

when using this valve rod 3 nut, through setting up at last valve-stem nut 1 and the buffer disc 4 of valve-stem nut 2 relative one end down, buffer disc 4 plays the guard action to valve rod 3 nut, can prevent that valve rod 3 nut from taking place local deformation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. Modular valve-stem nut, including last valve-stem nut (1) and lower valve-stem nut (2), its characterized in that: go up valve-stem nut (1) and lower valve-stem nut (2) and be provided with on the one end surface that is close to mutually and be used for going on the locking Assembly who fixes a position last valve-stem nut (1) and lower valve-stem nut (2), locking Assembly includes

The fixing blocks (8) are symmetrically and vertically fixed on two sides of the outer surface of the lower end of the upper valve rod nut (1), threaded grooves (901) vertically penetrate through the fixing blocks (8), threaded rods (9) are connected to the threaded grooves (901) in an internal thread mode, the lower end of each threaded rod (9) is connected into a supporting block (11) in a bearing mode, and rotating handles (10) are fixedly arranged at the upper ends of the threaded rods;

the mounting block (6) is arranged right below the abutting block (11) in a clearance mode, the mounting block (6) is mounted on the supporting block (5), and the supporting block (5) is vertically fixed to two sides of the outer surface of the upper end of the lower valve rod nut (2);

the inserting block (13) is arranged on the lower surface of the abutting block (11), and the inserting block (13) is inserted into the inserting groove formed in the corresponding position in the mounting block (6);

and the magnet block (12) is pasted on the lower surface of the abutting block (11) and the upper surface of the mounting block (6), and a through hole is formed in the position, corresponding to the inserting block (13), of the magnet block (12).

2. The combination stem nut of claim 1, wherein: two clamping blocks (7) are symmetrically arranged on the groove walls on the two sides of the slot, two clamping grooves (701) are symmetrically formed in the two sides of the outer surface of the bottom end of the inserting block (13), and the clamping grooves (701) are matched with the clamping blocks (7) in shape and size.

3. The combination stem nut of claim 2, wherein: the clamping block (7) is made of rubber, one end of the clamping block, which is clamped with the inserting block (13), is arc-shaped, and the clamping groove (701) is an arc-shaped groove.

4. The combination stem nut of claim 1, wherein: and one end of the upper valve rod nut (1) opposite to one end of the lower valve rod nut (2) is provided with a sleeve joint claw (14).

5. The combination stem nut of claim 4, wherein: a layer of magnet sheet (15) is arranged on the outer wall of the sleeving opposite claw (14).

6. The combination stem nut of claim 1, wherein: the internal threads of the upper valve rod nut (1) and the lower valve rod nut (2) are provided with a valve rod (3), and a circle of buffer disc (4) is arranged outside one end, opposite to the upper valve rod nut (1) and the lower valve rod nut (2).