Valve body bottom hole drilling clamp
By designing the valve body drilling bottom hole clamp, the clamping and positioning functions of the position limiting device are used to solve the stability and accuracy of the hole drilling operation at the bottom of the valve body, and the adaptability and operation simplicity of valve bodies of different sizes is achieved.
Patent Information
- Application Number
- CN202420818469.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-04-19
AI Technical Summary
During the valve body processing, the drilling operation at the bottom of the valve body is limited by the elliptical body of the valve body, making it difficult to drill holes from the base direction, and stability must be ensured during fixing and clamping to avoid offset affecting accuracy.
A valve body drilling bottom hole fixture is designed, including a main body frame and a limiting device. The limiting device is composed of a limiting ring, a limiting part, a bolt and a cylinder. Through the threaded structure and the clamping method of the cylinder, stable clamping and precise positioning of the valve body can be achieved.
The fixture improves the stability and accuracy of the drilling hole, adapts to valve bodies of different sizes, is easy to operate, and can adapt to different valve body shapes and sizes without affecting the accuracy.
Smart Images

Figure CN222958016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of valve processing, in particular to a valve body bottom hole drilling clamp. Background Art
[0002] During the valve body processing, holes are usually required to be drilled at the bottom for drainage and cleaning inside the valve body. Due to the shape of the valve body, holes cannot be drilled from the elliptical body of the valve body toward the base due to the influence of the valve body. Holes can only be drilled from the bottom. The valve body must be fixed and clamped upside down to meet the drilling conditions. During the fixing and clamping process, the stability of the valve body must be ensured to prevent the valve body from deviating and affecting the accuracy of the drilling. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In view of the deficiencies of the prior art, the utility model provides a valve body bottom hole drilling fixture.
[0005] (II) Technical solution
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the valve body bottom hole drilling fixture of the utility model includes a main frame and a limit device, the main frame is provided with a plurality of mounting holes, the limit device includes a limit ring and a limit member, the limit member is installed around the limit ring, the limit member is used to clamp and fix the valve body, the side of the limit ring is surrounded by a fixing frame, the fixing frame is installed with bolts, the bolts pass through the fixing frame through a threaded structure, and are adapted to the limiting holes on the main frame, the bottom of the limit ring is detachably installed with a base, the base is installed at the bottom of the limit ring through a threaded structure, and at least two limit rings are arranged on the main frame.
[0007] Preferably, the main frame is an L-shaped frame structure.
[0008] Further preferably, the limiting ring is supported by a main frame and a plurality of main frames are installed around the side of the main frame for support.
[0009] Again preferably, the limiting member comprises a threaded rod and a limiting plate, the threaded rod passes through a limiting ring through a threaded structure, a rotating handle is provided at one end of the threaded rod, and the limiting plate is fixedly mounted on the other end of the threaded rod.
[0010] Preferably, the limiting member comprises a cylinder and a clamping plate, the cylinder is fixedly mounted on the outer wall of the limiting ring, the output end of the cylinder passes through the limiting ring, and the clamping plate is fixedly mounted on the output end of the cylinder.
[0011] Further preferably, the clamping plate and the limiting plate are both wrapped with protective rubber pads.
[0012] Preferably again, the sides of the rotating handle and the base are provided with anti-slip patterns.
[0013] (III) Beneficial effects
[0014] Compared with the prior art, the utility model provides a valve body bottom hole drilling fixture, which has the following beneficial effects:
[0015] 1. Improved stability and precision. Through the design of the limit device, the valve body can be supported during the drilling process and clamped and fixed at least at both ends, thereby greatly improving the stability and precision of the drilling;
[0016] 2. Strong adaptability. The design of the limiter allows the fixture to adapt to valve bodies of different sizes, enhancing the versatility and flexibility of the fixture;
[0017] 3. Easy to operate. Whether it is a threaded rod or a cylinder design, the valve body can be clamped and released through simple operations, which greatly simplifies the operation process. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of an implementation scheme of the utility model;
[0019] Figure 2 This is a schematic diagram of the second implementation scheme of the utility model;
[0020] Figure 3 This is a schematic diagram of the limit device of the utility model;
[0021] In the figure: 1. main frame; 2. limit ring; 3. fixed frame; 4. cylinder; 5. clamping plate; 6. mounting hole; 7. threaded rod; 8. rotating handle; 9. base; 10. limit plate. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-3, the bottom hole drilling fixture for the valve body of the present utility model includes a main body frame 1 and a limiting device. A number of mounting holes 6 are provided on the main body frame 1. The limiting device includes a limiting ring 2 and a limiting member. The limiting member is circumferentially installed on the limiting ring 2. The limiting member is used for clamping and fixing the valve body. A fixing frame 3 is circumferentially provided on the side of the limiting ring 2. Bolts are installed on the fixing frame 3. The bolts penetrate through the fixing frame 3 through a threaded structure and are adapted to the limiting holes on the main body frame 1. A base 9 is detachably installed at the bottom of the limiting ring 2. The base 9 is installed at the bottom of the limiting ring 2 through a threaded structure. At least two limiting rings 2 are arranged on the main body frame 1.
[0024] In the preferred scheme of the above bottom hole drilling fixture for the valve body, the main body frame 1 adopts an L-shaped frame structure. This structure facilitates the assembly of the main body frame 1 with the main body frame 1 when it is installed at a fixed point by a bolt structure. At the same time, it is also convenient to install multiple limiting rings 2. While providing a stable support foundation, it keeps the limiting device stable during the working process and reduces errors caused by vibration or impact force.
[0025] In the preferred scheme of the above bottom hole drilling fixture for the valve body, the limiting ring 2 is supported by one main body frame 1 and circumferentially installed on the side of the main body frame 1 by multiple main body frames 1. This structure can adjust the number of supports of the main body frame 1 for the limiting ring 2 according to the size of the valve body, ensuring the stability and positioning accuracy of the limiting ring 2.
[0026] In the first implementation scheme of the limiting member in the present utility model, the threaded rod 7 and the limiting plate 10 scheme: The threaded rod 7 is connected to the limiting ring 2 through a threaded structure. Rotating the rotating handle 8 can adjust the position of the limiting plate 10 to achieve the clamping and limiting of the valve body.
[0027] In the second implementation scheme of the limiting member in the present utility model, the output end of the cylinder 4 clamps the valve body through the clamping plate 5. The telescopic movement of the cylinder 4 can control the tightness of the clamping.
[0028] In the preferred scheme of the above bottom hole drilling fixture for the valve body, protective rubber pads are wrapped on the clamping plate 5 and the limiting plate 10 to increase the contact area with the valve body and reduce friction and damage during the clamping process.
[0029] In the preferred scheme of the above bottom hole drilling fixture for the valve body, anti-slip patterns are provided on the side of the rotating handle 8 and the base 9 to increase the frictional force of the operator's hand and prevent inaccurate operation caused by hand slipping during the operation process.
[0030] The valve body bottom hole drilling fixture mainly includes a main frame 1 and a limit device. The main frame 1 is designed as an L-shaped frame structure, and is provided with a plurality of mounting holes 6 thereon, so as to facilitate the installation and positioning of the main frame 1, and the installation of the limit device on the main frame 1. The limit device includes a limit ring 2 and a limit member. A plurality of limit members are installed around the limit ring 2. The main function of these limit members is to clamp and fix the valve body to ensure the stability and accuracy of the valve body during the drilling process. A detachable base 9 is also provided at the bottom of the limit ring 2, which is installed at the bottom of the limit ring 2 through a threaded structure. The base 9 can support the valve body clamped by the device to ensure its firm fixation.
[0031] In addition, in the design of the limit device, at least two limit rings 2 are arranged on the main frame 1, which can be arranged at both ends of the valve body to enhance the clamping force on the valve body, and the limit rings 2 can be supported by one main frame 1 or installed around multiple main frames 1 on the side of the main frame 1, providing a variety of installation and support methods.
[0032] 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. Valve body bottom hole drilling fixture, characterized in that: The invention comprises a main frame (1) and a limiting device, wherein the main frame (1) is provided with a plurality of mounting holes (6), the limiting device comprises a limiting ring (2) and a limiting member, the limiting member is mounted around the limiting ring (2), the limiting member is used to clamp and fix the valve body, a fixing frame (3) is arranged around the side of the limiting ring (2), a bolt is mounted on the fixing frame (3), the bolt passes through the fixing frame (3) through a threaded structure and is matched with the limiting hole on the main frame (1), a base (9) is detachably mounted on the bottom of the limiting ring (2), the base (9) is mounted on the bottom of the limiting ring (2) through a threaded structure, and at least two limiting rings (2) are arranged on the main frame (1).
2. The valve body bottom hole drilling fixture according to claim 1, characterized in that: The main frame (1) is an L-shaped frame structure.
3. The valve body bottom hole drilling fixture according to claim 2, characterized in that: The limiting ring (2) is supported by a main frame (1) and a plurality of main frames (1) are installed around the sides of the main frame (1) for support.
4. The valve body bottom hole drilling fixture according to claim 3, characterized in that: The limiting member comprises a threaded rod (7) and a limiting plate (10); the threaded rod (7) passes through the limiting ring (2) via a threaded structure; a rotating handle (8) is provided at one end of the threaded rod (7); and the limiting plate (10) is fixedly mounted on the other end of the threaded rod (7).
5. The valve body bottom hole drilling fixture according to claim 4, characterized in that: The limiting member comprises a cylinder (4) and a clamping plate (5); the cylinder (4) is fixedly mounted on the outer wall of the limiting ring (2); the output end of the cylinder (4) passes through the limiting ring (2); and the clamping plate (5) is fixedly mounted on the output end of the cylinder (4).
6. The valve body bottom hole drilling fixture according to claim 5, characterized in that: The clamping plate (5) and the limiting plate (10) are both wrapped with protective rubber pads.
7. The valve body bottom hole drilling fixture according to claim 4, characterized in that: The sides of the rotating handle (8) and the base (9) are both provided with anti-slip grooves.