Austenitic stainless steel valve rod

Abstract

The utility model discloses an austenitic stainless steel valve rod, and relates to the technical field of valve rods. The austenitic stainless steel valve rod comprises an austenitic stainless steel shaft body, threads are arranged on the surface of the shaft body, the lower end of the shaft body is connected with a plurality of connecting pieces, each connecting piece comprises an embedded shaft and a connecting assembly connected to the lower side of the embedded shaft, a connector is connected to the lower end of the embedded shaft, the outer side of the connector is connected with a connecting plug in a sleeving mode, and the connecting plug is connected with the embedded shaft in a sleeving mode. A plurality of sets of clamping strips are arranged on the outer side of the connector, and the lower end of the connecting plug on the lowermost side is connected with a base. Threads are arranged on the outer side of the shaft body, the shaft body can ascend and descend vertically through matching of the threads and a nut, the lower end of the shaft body is connected with an embedded shaft, and the connecting assembly is inserted into the connecting plug through the connector, connected with the clamping groove of the connecting plug in an inserted mode through the clamping strip of the connector and finally connected into threaded holes of the connector and the connecting plug through the bolt in a threaded mode.

Description

Technical Field

[0001] The utility model relates to the technical field of valve stems, in particular to an austenitic stainless steel valve stem. Background Art

[0002] The valve stem is an important part of the valve. It is used for transmission. It is connected to the actuator or handle on the top and directly drives the valve core to move or rotate to achieve the valve opening or closing or regulation function.

[0003] Austenitic stainless steel refers to stainless steel with austenite structure at room temperature. Austenitic stainless steel is non-magnetic and has high toughness and plasticity.

[0004] During the production process of the valve stem, the number of embedded ring grooves will increase or decrease according to actual usage requirements. The integrated setting method will result in the need to re-open the mold when producing valve stems with the same embedded ring groove width and spacing but different numbers or different stem lengths, which is very inconvenient. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an austenitic stainless steel valve stem, which solves the problem that the embedded ring groove cannot be increased or decreased according to demand.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: an austenitic stainless steel valve stem comprises an austenitic stainless steel shaft body, the surface of the shaft body is provided with threads, the lower end of the shaft body is connected to multiple connecting pieces, the connecting piece comprises an embedded shaft and a connecting component connected to the lower side of the embedded shaft, the connecting component comprises a connecting head, a plug connector, a clamping strip, a clamping groove, and a threaded hole, the connecting head is connected to the lower end of the embedded shaft, the outer side of the connecting head is sleeved with the plug connector, and the plug connector is located at the lower side of the embedded shaft, the connecting head is connected to the lower end of the embedded shaft on the upper side, the plug connector is connected to the upper end of the embedded shaft on the lower side, the outer side of the connecting head is provided with multiple groups of clamping strips, and the plug connector is provided with clamping grooves compatible with the multiple groups of clamping strips, the connecting head and the front end of the plug connector are both provided with threaded holes, the positions of the threaded holes on the connecting head and the plug connector correspond, and the lower end of the plug connector at the lowest side is connected to a base.

[0009] Preferably, an embedding ring groove is formed between the plug connectors.

[0010] Preferably, the upper end of the shaft is connected to a limit plate.

[0011] Preferably, the threaded holes provided in the connector and the plug connector are connected with bolts.

[0012] Preferably, the plurality of groups of connectors are all connected to the lower end of the embedded shaft.

[0013] Preferably, the connecting assembly is made of austenitic stainless steel.

[0014] (III) Beneficial effects

[0015] The utility model provides an austenitic stainless steel valve stem. It has the following beneficial effects:

[0016] The outer side of the shaft body is provided with a thread, and the shaft body can be lifted up and down through the cooperation of the thread and the nut. The lower end of the shaft body is connected to an embedded shaft, and the lower end of the embedded shaft is connected to a connecting component. The connecting component is inserted into the plug connector through a connecting head, and the connecting head's clamping strip and the plug connector's clamping groove are plugged in, so that the connecting head and the plug connector will not rotate. Finally, the bolts are threadedly connected to the threaded holes of the connecting head and the plug connector, so that the connecting head and the plug connector are fixed. The embedded ring groove can be increased or reduced through multiple sets of connecting components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the connection assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the embedded ring groove of the utility model;

[0020] In the figure: 1, shaft body; 2, thread; 3, embedded shaft; 4, connecting component; 41, connector; 42, plug connector; 43, clamping strip; 44, clamping groove; 45, threaded hole; 5, base; 6, embedded ring groove; 7, limit plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3The utility model provides a technical solution: an austenitic stainless steel valve stem comprises an austenitic stainless steel shaft body 1, the surface of the shaft body 1 is provided with a thread 2, the lower end of the shaft body 1 is connected with a plurality of connectors, the connectors comprise an embedded shaft 3 and a connecting assembly 4 connected to the lower side of the embedded shaft 3, the connecting assembly 4 comprises a connector 41, a plug connector 42, a clamping strip 43, a clamping groove 44, and a threaded hole 45, the connector 41 is connected to the lower end of the embedded shaft 3, and the outer side of the connector 41 is sleeved with a plug connector 42, The plug connector 42 is located at the lower side of the embedded shaft 3, the connector 41 is connected to the lower end of the embedded shaft 3 on the upper side, and the plug connector 42 is connected to the upper end of the embedded shaft 3 on the lower side. A plurality of groups of clamping strips 43 are provided on the outer side of the connector 41, and a clamping groove 44 adapted to the plurality of groups of clamping strips 43 is provided in the plug connector 42. Threaded holes 45 are provided at the front ends of the connector 41 and the plug connector 42. The positions of the threaded holes 45 on the connector 41 and the plug connector 42 correspond, and the lower end of the plug connector 42 on the lowermost side is connected to the base 5. The outer side of the shaft body 1 is provided with a thread 2, and the shaft body 1 can be lifted up and down by the cooperation of the thread 2 and the nut. The lower end of the shaft body 1 is connected to an embedded shaft 3, and the lower end of the embedded shaft 3 is connected to a connecting component 4. The connector 41 is inserted into the plug connector 42, and the clamping strip 43 of the connector 41 and the clamping groove 44 of the plug connector 42 are plugged in, so that the connector 41 and the plug connector 42 will not rotate, and finally the connector 41 and the plug connector 42 are threadedly connected to the threaded holes 45 of the connector 41 and the plug connector 42 by bolts, so that the connector 41 and the plug connector 42 are fixed, and the embedded ring groove 6 can be increased or reduced by multiple groups of connecting components 4.

[0023] See also Figure 1-3 The utility model provides a technical solution: an embedded annular groove 6 is formed between the two plug connectors 42. The embedded annular groove 6 is formed between the two plug connectors 42, so the number of the embedded annular grooves 6 can be adjusted by the number of the connecting components 4.

[0024] See also Figure 1-3 The utility model provides a technical solution: the upper end of the shaft body 1 is connected with a limit plate 7. The limit plate 7 at the upper end of the shaft body 1 is used to limit the descending height of the shaft body 1.

[0025] See also Figure 1-3 The utility model provides a technical solution: the threaded holes 45 provided in the connector 41 and the plug connector 42 are connected with bolts. The threaded holes 45 provided in the connector 41 and the plug connector 42 are threadedly connected and fixed by bolts.

[0026] See also Figure 1-3 The utility model provides a technical solution: multiple groups of connectors 41 are connected to the lower end of the embedded shaft 3. The multiple groups of connectors 41 are connected to the lower end of the embedded shaft 3 and fixed thereto.

[0027] See also Figure 1-3 The utility model provides a technical solution: the connection component 4 is made of austenitic stainless steel. The connection component 4 is made of austenitic stainless steel, which has excellent corrosion resistance and can resist erosion by various media such as atmosphere, water, acid, alkali, and salt. It is not easy to rust or discolor even when exposed to harsh environments.

[0028] During operation, a thread 2 is provided on the outer side of the shaft body 1, and the shaft body 1 can be lifted up and down through the cooperation of the thread 2 and the nut. The lower end of the shaft body 1 is connected to an embedded shaft 3, and the lower end of the embedded shaft 3 is connected to a connecting component 4. The connecting component 4 is inserted into the plug connector 42 through the connecting head 41, and the clamping strip 43 of the connecting head 41 and the clamping groove 44 of the plug connector 42 are plugged in, so that the connecting head 41 and the plug connector 42 will not rotate, and finally the connecting head 41 and the plug connector 42 are threadedly connected to the threaded holes 45 of the connecting head 41 and the plug connector 42 by bolts, so that the connecting head 41 and the plug connector 42 are fixed, and embedded ring grooves 6 are formed between the two plug connectors 42, so that the number of embedded ring grooves 6 can be adjusted by the number of connecting components 4.

[0029] In summary, this austenitic stainless steel valve stem solves the problem that the embedded ring groove cannot be increased or decreased according to demand.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An austenitic stainless steel valve stem, comprising an austenitic stainless steel shaft (1), characterized in that: The surface of the shaft body (1) is provided with a thread (2); the lower end of the shaft body (1) is connected to a plurality of connecting parts, the connecting parts comprising an embedded shaft (3) and a connecting assembly (4) connected to the lower side of the embedded shaft (3); the connecting assembly (4) comprises a connecting head (41), a plug connector (42), a clamping strip (43), a clamping groove (44), and a threaded hole (45); the connecting head (41) is connected to the lower end of the embedded shaft (3); the outer side of the connecting head (41) is sleeved with the plug connector (42), and the plug connector (42) is located at the lower side of the embedded shaft (3); The connecting head (41) is connected to the lower end of the upper embedded shaft (3), and the plug connector (42) is connected to the upper end of the lower embedded shaft (3). The outer side of the connecting head (41) is provided with a plurality of groups of clamping strips (43), and the plug connector (42) is provided with clamping grooves (44) adapted to the plurality of groups of clamping strips (43). The front ends of the connecting head (41) and the plug connector (42) are both provided with threaded holes (45). The positions of the threaded holes (45) on the connecting head (41) and the plug connector (42) correspond to each other. The lower end of the plug connector (42) at the lowermost side is connected to a base (5).

2. The austenitic stainless steel valve stem according to claim 1, characterized in that: An embedded annular groove (6) is formed between the plug connectors (42) in pairs.

3. The austenitic stainless steel valve stem according to claim 1, characterized in that: The upper end of the shaft body (1) is connected to a limiting plate (7).

4. The austenitic stainless steel valve stem according to claim 1, characterized in that: The threaded holes (45) provided in the connecting head (41) and the plug connector (42) are connected with bolts.

5. The austenitic stainless steel valve stem according to claim 1, characterized in that: A plurality of groups of connecting heads (41) are connected to the lower end of the embedded shaft (3).

6. The austenitic stainless steel valve stem according to claim 1, characterized in that: The connecting component (4) is made of austenitic stainless steel.

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