Stainless steel precision casting with positioning function

Abstract

The utility model belongs to the field of stainless steel valves, particularly relates to a stainless steel precision casting with a positioning function, and aims to solve the problems that the conventional internal components are inconvenient to mount and need to be assembled by workers for a long time, and the valves are not closed tightly, the following scheme is provided: the stainless steel precision casting comprises a valve precision casting, two threaded holes are formed in each of the front side and the rear side of the valve precision casting, a mounting hole is formed in the top of the valve precision casting, a control rod is slidably mounted in the mounting hole, a mounting mechanism is arranged on the control rod, and a handle is fixedly mounted at the top end of the control rod. According to the utility model, the valve core and the control rod can be conveniently and quickly assembled through the matching of the arranged mounting components, and the limiting firmness of the valve can be effectively improved through the matching of the L-shaped limiting rod and the multiple sections of limiting grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel valve technical field especially relates to a stainless steel precision casting with positioning function. BACKGROUND

[0002] Stainless steel valve is widely used in chemical industry, petrochemical industry, petroleum, papermaking, mining, electric power, liquefied gas, food, pharmaceutical, water supply and drainage, municipal administration, mechanical equipment matching, electronic industry, city construction and other fields.Valve is the control component in the fluid conveying system of pipeline, it is used to change the section of passage and the flow direction of medium, has the functions of flow guide, cut-off, regulation, throttling, check, shunt or overflow pressure relief.Valve for fluid control, from the simplest stop valve to the various valves used in the extremely complex automatic control system, its variety and specification are quite numerous, mostly cast iron valve, stainless steel valve also has, and the valve is divided into castings and forgings;

[0003] However, the castings are mostly integrally formed, when producing valve castings, the internal components are not easy to install after the production of the castings, often need the staff to spend a long time to assemble, greatly influence the work efficiency, and the produced valve castings mostly rely on the torsion control to prevent the valve from turning over, but after the long time use of the valve, the torsion is weakened, and the valve is prone to close loosely. UTILITY MODEL CONTENTS

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A stainless steel precision casting with positioning function, comprising a valve precision casting, two threaded holes are formed on the front and back sides of the valve precision casting;An installation hole is formed on the top of the valve precision casting, and a control rod is slidably installed in the installation hole;An installation mechanism is arranged on the control rod, the installation mechanism comprises two combined metal blocks and two assembled valve cores, the two combined metal blocks are fixedly installed on the two sides of the same control rod, and the two assembled valve cores are clamped and installed on the two sides of the two combined metal blocks.

[0006] Specifically, a connecting hole is formed on one side of each of the two combined metal blocks, and a threaded rod is slidably installed in the inner side of each of the two connecting holes.

[0007] Specifically, an assembly hole is formed on one side of each of the two assembled valve cores, a sealing rubber pad is fixedly installed on one side of each of the two assembled valve cores, and the center holes of the two sealing rubber pads are respectively aligned with the corresponding assembly holes.

[0008] Specific, one side of the two assembly holes are fixedly installed with nuts, the two nuts are respectively matched with corresponding threaded rods, so that the installation of the two assembly spools is more stable.

[0009] Specific, one side of the control rod is provided with an auxiliary groove, a fixed shaft is fixedly installed on the inner wall of one side of the auxiliary groove, and an L-shaped limiting rod is rotatably arranged on the fixed shaft.

[0010] Specific, the top of the valve precision casting is provided with a plurality of limiting grooves, and the L-shaped limiting rod is matched with the plurality of limiting grooves.

[0011] Specific, a first connecting shaft and a second connecting shaft are fixedly installed on one side of the L-shaped limiting rod, a same wrench is fixedly sleeved on the first connecting shaft and the second connecting shaft, a supporting spring is fixedly installed on one side of the L-shaped limiting rod, and the other end of the supporting spring is connected with the inner wall of one side of the auxiliary groove.

[0012] Specific, a handle is fixedly installed at the top end of the control rod, and the rotation of the control rod is controlled through the handle.

[0013] Compared with the prior art, the stainless steel precision casting with the positioning function has the beneficial effects that:

[0014] The stainless steel precision casting with the positioning function can conveniently and quickly assemble the valve core and the control rod, greatly reduces the assembly time, and improves the production efficiency of the valve.

[0015] The stainless steel precision casting with the positioning function can effectively increase the firmness of the valve limiting, and better control the opening and closing degree of the valve core, and increase the practicability. DRAWINGS

[0016] Figure 1 The utility model provides a kind of three-dimensional structure schematic diagram of stainless steel precision casting with the positioning function proposed in the utility model;

[0017] Figure 2 The utility model provides a kind of three-dimensional structure schematic diagram of stainless steel precision casting with the positioning function proposed in the utility model;

[0018] Figure 3 The utility model provides a kind of three-dimensional structure schematic diagram of stainless steel precision casting with the positioning function proposed in the utility model;

[0019] Figure 4 The utility model provides a kind of three-dimensional structure schematic diagram of stainless steel precision casting with the positioning function proposed in the utility model;

[0020] Figure 5 The utility model provides a kind of limit mechanism of stainless steel precision casting with positioning function solid structure schematic diagram.

[0021] In the drawing: 1, valve precision casting;101, threaded hole;102, multi-section limiting groove;103, mounting hole;2, control rod;201, combined metal block;202, connecting hole;203, threaded rod;204, sealing rubber pad;205, assembled valve core;206, nut;3, handle;4, fixed shaft;401, L-shaped limiting rod;402, first connecting shaft;403, second connecting shaft;404, wrench;405, supporting spring. DETAILED DESCRIPTION

[0022] REFERENCE Figures 1-5 A kind of stainless steel precision casting with positioning function, including valve precision casting 1, two threaded holes 101 are set in the front and back sides of valve precision casting 1;Valve precision casting 1 is provided with mounting hole 103 on top, control rod 2 is slidably installed in mounting hole 103;Control rod 2 is equipped with mounting mechanism, and mounting mechanism includes two combined metal blocks 201 and two assembled valve cores 205, two combined metal blocks 201 are fixedly installed on the two sides of same control rod 2 respectively, and two assembled valve cores 205 are clamped and installed on the two sides of two combined metal blocks 201.

[0023] In the embodiment, one side of two combined metal blocks 201 is provided with connecting hole 202, and threaded rod 203 is slidably installed in the inner side of two connecting holes 202.

[0024] In the embodiment, one side of two assembled valve cores 205 is provided with assembly hole, and sealing rubber pad 204 is fixedly installed on one side of two assembled valve cores 205, and the center hole of two sealing rubber pads 204 is respectively aligned with corresponding assembly hole.

[0025] In the embodiment, nut 206 is fixedly installed on one side of two assembly holes, and two nuts 206 are respectively matched with corresponding threaded rod 203, so that the installation of two assembled valve cores 205 is more stable.

[0026] In the embodiment, one side of control rod 2 is provided with auxiliary groove, and fixed shaft 4 is fixedly installed on the inner wall of one side of auxiliary groove, and L-shaped limiting rod 401 is rotatably sleeved on fixed shaft 4.

[0027] In the embodiment, multi-section limiting groove 102 is provided on the top of valve precision casting 1, and L-shaped limiting rod 401 is matched with multi-section limiting groove 102.

[0028] In the embodiment, the first connecting shaft 402 and the second connecting shaft 403 are fixedly installed on one side of the L-shaped limiting rod 401, a same wrench 404 is fixedly sleeved on the first connecting shaft 402 and the second connecting shaft 403, the supporting spring 405 is fixedly installed on one side of the L-shaped limiting rod 401, and the other end of the supporting spring 405 is connected with the inner wall of one side of the auxiliary groove.

[0029] In the embodiment, the top end of the control rod 2 is fixedly installed with the handle 3, and the rotation of the control rod 2 is controlled through the handle 3.

[0030] Working principle: when assembling the valve, the worker first carries out chrome plating treatment on all parts to increase the corrosion resistance of the casting, and then carries out assembly, the worker first installs the control rod 2 fixedly installed with two combined metal blocks 201 through the mounting hole 103, so that the bottom end of the control rod 2 is in contact with the bottom inner wall of the valve precision casting 1, then the worker installs two assembled valve spools 205 on the corresponding combined metal blocks 201, and the nuts 206 and sealing rubber pads 204 of the two assembled valve spools 205 are matched with the corresponding connecting holes 202, then the worker installs the threaded rods 203 through tools, so that the two threaded rods 203 are screwed with the corresponding nuts 206, and the installation is completed, when the valve is used, the worker can hold the handle 3 at the same time, press the wrench 404, so that the wrench 404 is close to the handle 3, at this time, the wrench 404 drives the L-shaped limiting rod 401 to rotate and move around the fixed shaft 4 as the center, the handle 3 drives the control rod 2 to rotate, the control rod 2 drives the whole valve core to rotate, so that the liquid flows, when the valve is opened and closed to the specified position, the worker releases the wrench 404, at this time, the L-shaped limiting rod 401 is reset under the influence of the supporting spring 405 and is clamped into the multi-section limiting groove 102, so as to prevent the control rod 2 from being reversed and affecting the valve core.

[0031] The technical progress obtained by the utility model compared with the prior art is that: through the cooperation between the installed components, the assembled valve spool 205 and the control rod 2 can be assembled conveniently and quickly, the assembly time is greatly reduced, the production efficiency of the valve is improved, and through the cooperation of the L-shaped limiting rod 401 and the multi-section limiting groove 102, the firmness of the valve limiting can be effectively increased, and the opening and closing degree of the valve core can be better controlled, thereby increasing the practicability.

Claims

1. A stainless steel precision casting with positioning function, characterized in that, The valve precision casting (1) includes two threaded holes (101) on both the front and rear sides. The valve precision casting (1) has a mounting hole (103) on its top, and a control rod (2) is slidably installed in the mounting hole (103). The control lever (2) is provided with an installation mechanism, which includes two combined metal blocks (201) and two assembled valve cores (205). The two combined metal blocks (201) are fixedly installed on both sides of the same control lever (2), and the assembled valve cores (205) are snapped onto both sides of the two combined metal blocks (201).

2. A stainless steel precision casting with positioning function according to claim 1, characterized in that, Each of the two combined metal blocks (201) has a connecting hole (202) on one side, and a threaded rod (203) is slidably installed on the inner side of each connecting hole (202).

3. A stainless steel precision casting with positioning function according to claim 2, characterized in that, Assembly holes are provided on one side of each of the two assembly valve cores (205), and sealing gaskets (204) are fixedly installed on one side of each of the two assembly valve cores (205). The center holes of the two sealing gaskets (204) are aligned with the corresponding assembly holes.

4. A stainless steel precision casting with positioning function according to claim 3, characterized in that, Nuts (206) are fixedly installed on one side of each of the two assembly holes, and the two nuts (206) are respectively adapted to the corresponding threaded rods (203).

5. A stainless steel precision casting with positioning function according to claim 1, characterized in that, An auxiliary groove is provided on one side of the control rod (2), and a fixed shaft (4) is fixedly installed on the inner wall of one side of the auxiliary groove. An L-shaped limit rod (401) is rotatably sleeved on the fixed shaft (4).

6. A stainless steel precision casting with positioning function according to claim 5, characterized in that, The valve precision casting (1) has multiple limiting grooves (102) on its top, and the L-shaped limiting rod (401) is adapted to the multiple limiting grooves (102).

7. A stainless steel precision casting with positioning function according to claim 6, characterized in that, A first connecting shaft (402) and a second connecting shaft (403) are fixedly installed through one side of the L-shaped limiting rod (401). The same wrench (404) is fixedly sleeved on both the first connecting shaft (402) and the second connecting shaft (403). A support spring (405) is fixedly installed on one side of the L-shaped limiting rod (401). The other end of the support spring (405) is connected to the inner wall of one side of the auxiliary groove.

8. A stainless steel precision casting with positioning function according to claim 1, characterized in that, A handle (3) is fixedly installed at the top of the control lever (2).

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