Press fitting limiting clamp for valve element assembly

Abstract

The utility model relates to the technical field of valve element production, and particularly discloses a valve element assembly press-fitting limiting clamp which comprises a main body assembly, a pressure assembly and a valve element assembly, the pressure assembly is fixedly connected to the main body assembly, and the valve element assembly is detachably connected to the pressure assembly; the main body assembly comprises a press machine main body, a valve core rod guide tool and a press machine working table, the press machine main body is fixedly connected to the press machine working table, and the valve core rod guide tool is fixedly connected to the press machine working table; the pressure assembly comprises a press machine movable rod, a second valve element rod guide rod and a check ring guide rod, the press machine movable rod is connected to the top of the press machine body in a sliding mode, and the second valve element rod guide rod is detachably connected between the press machine movable rod and the valve element rod guide tool. The press-fitting device is easy to install, convenient to disassemble and assemble, light in weight, convenient to maintain and maintain and capable of maintaining press-fitting precision for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of spool production, and particularly relates to a press-fitting limit fixture for a spool assembly. Background Technique

[0002] The spool assembly is an important part of a valve, and its main function is to control the flow of fluid. Spool press-fitting refers to installing the spool into the valve body through specific equipment and methods to ensure its normal operation.

[0003] Currently, the following areas for improvement still exist in the existing technology: The spool press-fitting equipment is too large in volume and mass, complex to install, difficult to maintain and service, resulting in a decrease in press-fitting accuracy and an increase in part loss after long-term use. Content of the Utility Model

[0004] To solve the above problems existing in the prior art, the utility model provides a press-fitting limit fixture for a spool assembly, which can achieve simple installation, convenient disassembly and assembly, light equipment mass, easy maintenance and servicing, and can maintain the press-fitting accuracy for a long time.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] A press-fitting limit fixture for a spool assembly, comprising a main body assembly, a pressure assembly and a spool assembly. The pressure assembly is fixedly connected to the main body assembly, and the spool assembly is detachably connected to the pressure assembly;

[0007] The main body assembly includes a press main body, a spool rod guiding tooling and a press workbench. The press main body is fixedly connected to the press workbench, and the spool rod guiding tooling is fixedly connected to the press workbench;

[0008] The pressure assembly includes a press moving rod, a second spool rod guiding rod and a retaining ring guiding rod. The press moving rod is slidably connected to the top of the press main body; the second spool rod guiding rod is detachably connected between the press moving rod and the spool rod guiding tooling, and the retaining ring guiding rod is fixedly connected to the bottom of the second spool rod guiding rod through bolts;

[0009] The spool assembly includes a first spool rod, a spool, a second spool rod and a retaining ring. The second spool rod is detachably connected to the second spool rod guiding rod, and the retaining ring is fixedly connected to the tail end of the second spool rod.

[0010] Preferably, a valve core guide block and a first valve core rod guide block are provided in the valve core rod guiding tooling. The first valve core rod guide block is provided with an opening, and the opening of the first valve core rod guide block is arranged in an inverted convex shape. The protruding section at the opening of the first valve core rod guide block matches the first valve core rod, and the valve core guide block is fixedly connected to the inner side of the opening of the first valve core rod guide block.

[0011] Preferably, openings are provided both above and below the valve core. The lower opening of the valve core matches the first valve core rod, and the upper opening of the valve core matches the second valve core rod and the retaining ring.

[0012] Preferably, the press workbench is integrally arranged front and back. The front half of the press workbench is higher than the rear half, forming a stepped shape as a whole. The valve core rod guiding tooling is fixedly connected to the front half of the press workbench, and the press main body is fixedly connected to the rear half of the press workbench.

[0013] Preferably, a limiting block is provided at the top of the press main body, and the press movable rod is slidably connected to the limiting block of the press main body.

[0014] Preferably, the press movable rod is arranged in a π shape, and there are two movable rods in total. The two movable rods are fixedly connected to a fixed frame, and one of them matches the second valve core rod guide rod.

[0015] The beneficial effects of the present utility model are as follows:

[0016] (1) By providing the main body assembly, the technical effects that can be achieved are that the guide block is beneficial to improving the installation accuracy, the space utilization efficiency is high, the press workbench is integrally arranged front and back, the equipment can stand stably on the horizontal plane, the stability during the press-fitting operation is improved, the overall volume of the equipment is small, the quality is light, the installation is simple, it is convenient to disassemble and assemble, the equipment is easy to maintain and repair, and the press-fitting accuracy can be maintained for a long time.

[0017] (2) By providing the pressure assembly, the technical effects that can be achieved are that it is convenient to take, disassemble and assemble, and it is easy to maintain and repair. A limiting block is provided at the top of the press main body to control the movement of the press movable rod along the Z-axis direction, ensuring the downward pressure space of the press movable rod. The press movable rod is provided with two movable rods in total, and the two movable rods are fixedly connected to a fixed frame, and one of them matches the valve core guide rod, improving the stability during downward pressure and ensuring the press-fitting accuracy.

[0018] (3) By providing the valve core assembly, the technical effects that can be achieved are that the cooperation between components is tight, ensuring the airtightness and stability of the valve core assembly. Description of the Drawings

[0019] For the convenience of those skilled in the art to understand, the following further describes the present utility model in conjunction with the accompanying drawings.

[0020] Figure 1 It is a structural schematic diagram of the present utility model;

[0021] Figure 2 It is a structural diagram of the second spool rod guide rod and the retaining ring guide rod in the present utility model;

[0022] Figure 3 It is a cross-sectional view of the connection between the second spool rod guide rod and the retaining ring guide rod in the present utility model;

[0023] Figure 4 It is an assembly diagram of a part of the spool assembly in the present utility model;

[0024] Figure 5 It is an overall assembly diagram of the present utility model;

[0025] Description of main component symbols:

[0026] In the figure: 1. Press main body; 2. Press movable rod; 3. Second spool rod guide rod; 4. Retaining ring guide rod; 5. Spool rod guiding tooling; 6. Press workbench; 7. Spool guiding block; 8. First spool rod guiding block; 9. First spool rod; 10. Spool; 11. Second spool rod; 12. Retaining ring. Specific embodiments

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0028] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that, unless otherwise clearly specified and defined, the terms "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0030] Referring to Figures 1 to 5 , a press-fitting limit fixture for a valve core assembly disclosed by the present utility model includes a main body assembly, a pressure assembly, and a valve core assembly. The pressure assembly is fixedly connected to the main body assembly, and the valve core assembly is detachably connected to the pressure assembly;

[0031] The main body assembly includes a press main body 1, a valve core rod guiding tooling 5, and a press workbench 6. The press main body 1 is fixedly connected to the press workbench 6, and the valve core rod guiding tooling 5 is fixedly connected to the press workbench 6;

[0032] The pressure assembly includes a press moving rod 2, a second valve core rod guiding rod 3, and a retaining ring guiding rod 4. The press moving rod 2 is slidably connected to the top of the press main body 1; the second valve core rod guiding rod 3 is detachably connected between the press moving rod 2 and the valve core rod guiding tooling 5, which is convenient for taking, disassembling, installing, maintaining, and servicing. The retaining ring guiding rod 4 is fixedly connected to the bottom of the second valve core rod guiding rod 3 through bolts;

[0033] The valve core assembly includes a first valve core rod 9, a valve core 10, a second valve core rod 11, and a retaining ring 12. The second valve core rod 11 is detachably connected to the second valve core rod guiding rod 3, and the retaining ring 12 is fixedly connected to the tail end of the second valve core rod 11.

[0034] Referring to Figure 1 , Figure 4 and Figure 5 , a valve core guiding block 7 and a first valve core rod guiding block 8 are provided in the valve core rod guiding tooling 5. The first valve core rod guiding block 8 is provided with an opening, and the opening of the first valve core rod guiding block 8 is arranged in an inverted convex shape. The protruding section at the opening of the first valve core rod guiding block 8 is matched with the first valve core rod 9. The valve core guiding block 7 is fixedly connected to the inner side of the opening of the first valve core rod guiding block 8, which is beneficial to improving the installation accuracy.

[0035] Referring to Figure 4 and Figure 5 , openings are provided above and below the valve core 10. The lower opening of the valve core 10 is matched with the first valve core rod 9, and the upper opening of the valve core 10 is matched with the second valve core rod 11 and the retaining ring 12. The cooperation between the components is tight, ensuring the airtightness and stability of the valve core assembly.

[0036] Reference Figure 1 and Figure 5 The press table 6 is integrally arranged front and back. The front half of the press table 6 is higher than the back half, forming a stepped shape as a whole. The valve core rod guiding tooling 5 is fixedly connected to the front half of the press table 6, and the press main body 1 is fixedly connected to the back half of the press table 6. The space utilization efficiency is high, and the device can be stably standing on the horizontal plane, improving the stability during the press-fitting operation.

[0037] Reference Figure 1 and Figure 5 A limit block is arranged at the top of the press main body 1. The press movable rod 2 is slidably connected to the limit block of the press main body 1 to control the movement of the press movable rod 2 in the Z-axis direction, ensuring the downward pressure space of the press movable rod 2. The press movable rod 2 is arranged in a π shape, and there are two movable rods in total. The two movable rods are fixedly connected to the fixed frame, and one of them is matched with the second valve core rod guiding rod 3, improving the stability during downward pressure and ensuring the press-fitting accuracy.

[0038] The overall volume of the equipment is small, the mass is light, the installation is simple, it is convenient to disassemble and assemble, the equipment is easy to maintain and service, and it can maintain the press-fitting accuracy for a long time.

[0039] The working principle and usage process of the present utility model: Install the first valve core rod 9 on the protruding section of the first valve core rod guiding block 8, align the lower opening of the valve core 10 with the first valve core rod 9, and install the valve core 10 on the first valve core rod 9.

[0040] Fix the second valve core rod guiding rod 3 to a proper position, start the press movable rod 2 to move downward along the Z-axis direction, and press the first valve core rod 9 and the lower opening section of the valve core 10 in place.

[0041] Install the second valve core rod 11 into the second valve core rod guiding rod 3, align the second valve core rod 11 with the upper opening of the valve core 10, install the second valve core rod 11 on the valve core 10, start the press movable rod 2 to move downward along the Z-axis direction, and press the retaining ring 12 into the matching position of the valve core 10 to complete the press-fitting of the valve core assembly.

[0042] The above is only a preferred embodiment of the present utility model, and it does not impose any form of limitation on the present utility model. Although the present utility model has been disclosed as above with a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form equivalent embodiments with equivalent changes, but as long as it does not depart from the technical content of the present utility model, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A pressing and limiting fixture for a valve core assembly, characterized in that: It includes a main body component, a pressure component and a valve core component. The pressure component is fixedly connected to the main body component, and the valve core component is detachably connected to the pressure component; The main body component includes a press main body (1), a valve core rod guiding tooling (5) and a press workbench (6). The press main body (1) is fixedly connected to the press workbench (6), and the valve core rod guiding tooling (5) is fixedly connected to the press workbench (6); The pressure component includes a press movable rod (2), a second valve core rod guiding rod (3) and a retaining ring guiding rod (4). The press movable rod (2) is slidably connected to the top of the press main body (1); The second valve core rod guiding rod (3) is detachably connected between the press movable rod (2) and the valve core rod guiding tooling (5), and the retaining ring guiding rod (4) is fixedly connected to the bottom of the second valve core rod guiding rod (3) by bolts; The valve core component includes a first valve core rod (9), a valve core (10), a second valve core rod (11) and a retaining ring (12). The second valve core rod (11) is detachably connected to the second valve core rod guiding rod (3), and the retaining ring (12) is fixedly connected to the tail end of the second valve core rod (11).

2. The press-fitting limit fixture for a valve core assembly according to claim 1, wherein: The valve core rod guiding tooling (5) is provided with a valve core guiding block (7) and a first valve core rod guiding block (8). The first valve core rod guiding block (8) is provided with an opening. The opening of the first valve core rod guiding block (8) is arranged in an inverted convex shape. The protruding section of the opening of the first valve core rod guiding block (8) matches the first valve core rod (9), and the valve core guiding block (7) is fixedly connected to the inner side of the opening of the first valve core rod guiding block (8).

3. The press-fitting limit fixture for a spool valve assembly according to claim 1, characterized in that: Both the upper and lower parts of the valve core (10) are provided with openings. The lower opening of the valve core (10) matches the first valve core rod (9), and the upper opening of the valve core (10) matches the second valve core rod (11) and the retaining ring (12).

4. A pressing and limiting fixture for a valve core assembly according to claim 1, characterized in that: The press workbench (6) is integrally arranged front and back. The front half of the press workbench (6) is higher than the back half, forming a stepped shape as a whole. The valve core rod guiding tooling (5) is fixedly connected to the front half of the press workbench (6), and the press main body (1) is fixedly connected to the back half of the press workbench (6).

5. The press-fitting limit fixture for a valve core assembly according to claim 1, characterized in that: A limit block is arranged at the top of the press main body (1), and the press movable rod (2) is slidably connected to the limit block of the press main body (1).

6. A pressing and limiting fixture for a valve core assembly according to claim 5, characterized in that: The press movable rod (2) is arranged in a π shape, and is integrally provided with two movable rods. The two movable rods are fixedly connected to a fixed frame, and one of them matches the second valve core rod guiding rod (3).

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