Locating structure of rocker seat of check valve
The rocker seat positioning is solved through the combined structure of the sphere, horizontal holes and vertical grooves, and the problems of low processing efficiency and assembly difficulty in the prior art are solved, and efficient and low-cost positioning processing is achieved.
Patent Information
- Application Number
- CN202421173781.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The rocker seat positioning structure of the existing check valve has problems in terms of processing efficiency and cost, especially the low processing efficiency of the insertion bed and the difficulty of assembly and drilling during assembly, resulting in unhealthy efficiency and cost.
The combined structure of the sphere, horizontal hole and vertical groove is adopted. The sphere is positioned and positioned between the horizontal hole and vertical groove. The horizontal hole and vertical groove are completed in the part processing stage and are processed using a drilling machine or a milling machine, which simplifies the processing process.
Improve processing efficiency and reduce processing difficulty, reduce cost, and achieve efficient rocker seat and valve body positioning.
Smart Images
Figure CN222277570U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of check valves, and in particular relates to a rocker seat positioning structure of a check valve. Background Art
[0002] The rocker seat is a component used to connect the rocker in the swing check valve. The existing structure generally adopts the following two structures for the positioning of the rocker seat:
[0003] 1. Pin side positioning structure: Figure 3 , 4 As shown, in this structure, a pin hole is drilled on the side of the rocker seat 100 to install the pin 300, and a key groove 400 is processed on the inner wall of the valve body 200. The pin 300 cooperates with the key groove 400 on the valve body 200 to position the rocker seat 100. The main problem of this structure is that the key groove 400 on the valve body 200 needs to be processed by a slotting machine, which has low processing efficiency, and the utilization rate of slotting machines in the industry is very low. This structure is not beneficial to efficiency and cost.
[0004] 2. Pin shaft is used as positioning structure: Figure 5 As shown, this structure requires that during the valve assembly stage, a pin hole be punched at the middle seam where the rocker seat 100 and the valve body 200 meet. The pin hole occupies half of each of the rocker seat 100 and the valve body 200, and then the pin 500 is inserted for positioning. The main problem with this structure is that the punching during assembly reduces the assembly efficiency. For valves with larger diameters, the rocker seat 100 is located at a very deep position, and it is difficult to process this pin hole. Therefore, this structure has obstacles in assembly efficiency and processing difficulty. Utility Model Content
[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a check valve rocker seat positioning structure.
[0006] In order to solve the above problems, the utility model adopts the following technical solutions:
[0007] A check valve rocker seat positioning structure comprises a valve body, a rocker seat and a ball, wherein the side wall of the rocker seat is fitted with the inner wall of the valve body, a transverse hole perpendicular to the side wall of the rocker seat is provided on the side wall of the rocker seat, the transverse hole is a cylindrical hole, the aperture of the transverse hole is equal to the diameter of the sphere, the depth of the transverse hole is less than the diameter of the sphere, a vertical groove parallel to the inner wall of the valve body is provided on the inner wall of the valve body, the bottom of the vertical groove is an arc shape with a diameter equal to the diameter of the sphere, at least one end of the vertical groove passes through the valve body, the ball can be connected between the valve body and the rocker seat, a part of the ball is placed in the transverse hole, a part of the ball is placed in the vertical groove, and the two sides of the ball are respectively abutted against the bottom of the transverse hole and the arc-shaped bottom of the vertical groove.
[0008] Preferably, the depth of the transverse hole is half of the diameter of the sphere, and the depth of the vertical groove is half of the diameter of the sphere.
[0009] Preferably, the upper end of the vertical groove passes through the valve body.
[0010] Preferably, the sphere is a steel ball.
[0011] Preferably, a retaining ring is provided at the top of the rocker seat, and the edge of the retaining ring is clamped on the inner wall of the valve body to limit the upward movement of the rocker seat relative to the valve body. A boss is extended from the inner wall of the valve body toward the rocker seat, and the boss abuts against the bottom of the rocker seat to limit the downward movement of the rocker seat relative to the valve body.
[0012] Beneficial effects of the utility model
[0013] Compared with the prior art, the advantages of the present invention are:
[0014] When the utility model is used, a sphere is loaded into the horizontal hole. When the rocker seat is assembled, the sphere is slid into the vertical groove along one end of the vertical groove. The aperture of the horizontal hole of the utility model is equal to the diameter of the sphere, and the bottom of the vertical groove is an arc shape with a diameter equal to the diameter of the sphere. The sphere can be connected between the valve body and the rocker seat, with a part of it placed in the horizontal hole and a part of it placed in the vertical groove. Its two sides are respectively abutted against the bottom of the horizontal hole and the arc-shaped bottom of the vertical groove, so that it is stuck between the rocker seat and the valve body, and the rocker seat and the valve body are horizontally positioned. The horizontal hole and the vertical groove of the utility model can be completed separately in the part processing stage, and do not need to be matched. During processing, a drilling machine or a milling machine commonly used in machining can be used to complete the drilling, which has high processing efficiency, low processing difficulty, and corresponding processing costs are reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 for Figure 1 Sectional view of section AA;
[0017] Figure 3 It is a structural schematic diagram of the prior art one;
[0018] Figure 4 for Figure 3 Sectional view of the middle BB section;
[0019] Figure 5 It is a structural schematic diagram of the second prior art. DETAILED DESCRIPTION
[0020] 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.
[0021] In the description of the present invention, it should be noted that the terms "upper / lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting / sleeving", "sleeve connection", "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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0023] See also Figure 1-2The utility model provides a technical solution: a check valve rocker seat positioning structure, comprising a valve body 1, a rocker seat 2 and a ball 3, the side wall of the rocker seat 2 is fitted with the inner wall of the valve body 1, and a transverse hole 21 perpendicular to the side wall of the rocker seat 2 is opened on the side wall of the rocker seat 2, the transverse hole 21 is a cylindrical hole, the aperture of the transverse hole 21 is equal to the diameter of the ball 3, and the hole depth of the transverse hole 21 is less than the diameter of the ball 3. A vertical groove 11 parallel to the inner wall of the valve body 1 is opened on the inner wall of the valve body 1, the groove bottom of the vertical groove 11 is an arc shape with a diameter equal to the diameter of the ball 3, at least one end of the vertical groove 11 passes through the valve body 1, and the ball 3 can be connected between the valve body 1 and the rocker seat 2, a part of which is placed in the transverse hole 21, and a part of which is placed in the vertical groove 11, and its two sides are respectively abutted against the hole bottom of the transverse hole 21 and the arc groove bottom of the vertical groove 11. When in use, the ball 3 is loaded into the transverse hole 21. When the rocker seat 2 is assembled, the ball 3 is slid into the vertical groove 11 along one end of the vertical groove 11. The aperture of the transverse hole 21 of the utility model is equal to the diameter of the ball 3, and the bottom of the vertical groove 11 is an arc shape with a diameter equal to the diameter of the ball 3. The ball 3 can be connected between the valve body 1 and the rocker seat 2, with a part of it placed in the transverse hole 21 and a part of it placed in the vertical groove 11. Its two sides are respectively abutted against the bottom of the transverse hole 21 and the arc-shaped bottom of the vertical groove 11, so that it is stuck between the rocker seat 2 and the valve body 1 to perform transverse positioning of the rocker seat 2 and the valve body 1.
[0024] The transverse hole 21 and the vertical groove 11 of the utility model can be completed separately in the part processing stage, and do not need matching. During processing, a drilling machine or a milling machine commonly used in machining can be used to complete the drilling, which has high processing efficiency, low processing difficulty, and correspondingly reduced processing costs.
[0025] Furthermore, the hole depth of the transverse hole 21 is half of the diameter of the sphere 3, and the groove depth of the vertical groove 11 is half of the diameter of the sphere 3, so that the sphere 3 occupies half of the transverse hole 21 of the rocker seat 2 and the vertical groove 11 of the valve body 1, respectively, to prevent the sphere 3 from slipping out of the transverse hole 21 of the rocker seat 2 or the vertical groove 11 of the valve body 1 when slightly deformed, causing positioning failure.
[0026] Furthermore, the upper end of the vertical groove 11 passes through the valve body 1 . During processing, a half hole can be drilled from the upper end of the inner wall of the valve body 1 using a drilling machine or a milling machine. When in use, the ball 3 can be slid into the upper end of the vertical groove 11 .
[0027] Furthermore, the sphere 3 is a steel ball to ensure its strength and prevent deformation.
[0028] Furthermore, a retaining ring 4 is provided on the top of the rocker seat 2, and the edge of the retaining ring 4 is clamped on the inner wall of the valve body 1 to limit the upward movement of the rocker seat 2 relative to the valve body 1. A boss 5 is extended from the inner wall of the valve body 1 toward the rocker seat 2, and the boss 5 is abutted against the bottom of the rocker seat 2 to limit the downward movement of the rocker seat 2 relative to the valve body 1.
[0029] 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. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0030] 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. A check valve rocker seat positioning structure, characterized in that: The invention comprises a valve body (1), a rocker seat (2) and a sphere (3), wherein the side wall of the rocker seat (2) is arranged in close contact with the inner wall of the valve body (1), the side wall of the rocker seat (2) is provided with a transverse hole (21) perpendicular to the side wall of the rocker seat (2), the transverse hole (21) is a cylindrical hole, the diameter of the transverse hole (21) is equal to the diameter of the sphere (3), the depth of the transverse hole (21) is less than the diameter of the sphere (3), and the inner wall of the valve body (1) is provided with a flat A vertical groove (11) is formed on the inner wall of the valve body (1), the bottom of the vertical groove (11) is in the shape of an arc having a diameter equal to that of the sphere (3), at least one end of the vertical groove (11) passes through the valve body (1), the sphere (3) can be connected between the valve body (1) and the rocker seat (2), a part of the sphere (3) is placed in the transverse hole (21), and a part of the sphere (3) is placed in the vertical groove (11), and two sides of the sphere (3) are respectively in contact with the bottom of the transverse hole (21) and the arc bottom of the vertical groove (11).
2. A check valve rocker seat positioning structure according to claim 1, characterized in that: The hole depth of the transverse hole (21) is half the diameter of the sphere (3), and the groove depth of the vertical groove (11) is half the diameter of the sphere (3).
3. A check valve rocker seat positioning structure according to claim 1, characterized in that: The upper end of the vertical groove (11) passes through the valve body (1).
4. A check valve rocker seat positioning structure according to claim 1, characterized in that: The sphere (3) is a steel ball.
5. The check valve rocker seat positioning structure according to claim 1, characterized in that: A retaining ring (4) is provided at the top of the rocker seat (2), and the edge of the retaining ring (4) is clamped on the inner wall of the valve body (1) to limit the upward movement of the rocker seat (2) relative to the valve body (1). A boss (5) is provided on the inner wall of the valve body (1) extending toward the rocker seat (2), and the boss (5) is abutted against the bottom of the rocker seat (2) to limit the downward movement of the rocker seat (2) relative to the valve body (1).