Novel balance valve
By designing a novel through-hole structure and a limit ring return spring system for the balance valve, the problem of cumbersome maintenance procedures in traditional balance valves has been solved, achieving a more efficient maintenance and replacement process.
Patent Information
- Application Number
- CN202422977172.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Traditional balancing valves are cumbersome and inefficient to repair and replace their internal structure.
A novel balancing valve is designed with both ends of the valve body in a through-hole state. The guide rod is fixed by a sealing cover, and a limit ring and a return spring structure are introduced between the valve seat and the valve sleeve. This allows the guide rod to be disassembled by simply removing the sealing cover, and the valve sleeve to be disassembled by simply removing the limit ring, thus simplifying the maintenance process.
It greatly improves the efficiency of repair and replacement, simplifies the operation steps, and improves maintenance efficiency.
Smart Images
Figure CN223563558U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of valve manufacturing, and in particular to a novel balancing valve. Background Technology
[0002] The balance valve plays a crucial role in a hydraulic system, its core function being to maintain a balance between oil pressure and flow rate within the system. This ingenious design ensures that all functional components in the hydraulic system operate stably under suitable pressure and flow conditions.
[0003] Traditional balancing valves have an installation port on one end and a sealing port on the other. Usually, it is not possible to install components at the sealing port. When replacing the internal structure, it is necessary to disassemble the valve seat, valve sleeve, valve core, etc. in sequence, which is cumbersome and inefficient. Utility Model Content
[0004] The purpose of this invention is to provide a new type of balance valve that is easy to maintain and replace.
[0005] The purpose of this utility model is achieved as follows: A novel balancing valve includes a valve body, a valve seat, a valve core, a valve sleeve, and a guide rod; each of the valve body, valve seat, and valve sleeve has a through channel; a sealing cap is provided at the left end of the channel inside the valve body, and a guide rod is provided at the center of the sealing cap; a return spring is provided on the guide rod located inside the valve body; a valve seat is provided in the right region of the valve body, a valve sleeve is provided inside the valve seat, and a valve core is provided inside the valve sleeve, and the valve seat, valve sleeve, and valve core are sequentially fitted and connected; the inner end face of the valve sleeve abuts against the return spring; a limiting ring is provided on the inner diameter surface of the outer port of the valve seat, and the limiting ring abuts against the outer end face of the valve sleeve; a limiting seat is provided in the middle of the channel inside the valve sleeve, a fixing seat is provided at the end of the valve core, and a return spring is provided between the fixing seat and the limiting seat.
[0006] Preferably, the valve core consists of a valve stem and an abutment seat, with the main body of the valve core positioned at the center of the limiting seat, and the abutment seat forming a wedge-shaped contact with the outer port of the valve sleeve; a gap is left between the abutment seat and the limiting ring.
[0007] Preferably, the limiting ring does not contact the outer diameter surface of the contact seat and leaves a gap, and the outer port of the valve seat is the first oil port.
[0008] Preferably, the valve seat has a second oil port that communicates with the valve stem, the contact seat, and the inner cavity enclosed by the valve sleeve through a second flow channel on the valve sleeve; the valve seat has a flow channel that communicates with the pilot port of the valve body, and the flow channel communicates with the rodless cavity of the valve sleeve.
[0009] Preferably, multiple sets of sealing rings are provided between the valve seat and the valve body, between the valve seat and the valve core, and between the guide rod and the valve body.
[0010] Compared with the prior art, the advantages of this utility model are:
[0011] 1. Set both ends of the valve body to be open. Fix one end of the guide rod with a sealing cover. When disassembling and repairing the guide rod and return spring, you only need to remove the sealing cover and take out the guide rod. The valve sleeve and valve core on the other side do not need to be disassembled.
[0012] 2. The inner diameter of the valve seat and the outer diameter of the valve sleeve are designed in a unified manner. At the same time, the valve sleeve is held in place by a limit ring. When removing the internal valve core, only the limit ring needs to be removed to remove the entire valve sleeve without removing the external valve seat, which greatly improves the efficiency of maintenance and replacement. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model.
[0014] Among them, 1 is valve body, 2 is valve seat, 3 is valve core, 301 is valve stem, 302 is contact seat, 4 is valve sleeve, 401 is limit seat, 402 is rodless chamber, 5 is guide rod, 6 is sealing cover, 7 is return spring, 8 is limit ring, 9 is fixed seat, 10 is first oil port, 11 is second oil port, 12 is flow channel, and 13 is pilot port. Detailed Implementation
[0015] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.
[0016] It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0017] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0018] like Figure 1 As shown, a novel balancing valve includes a valve body 1, a valve seat 2, a valve core 3, a valve sleeve 4, and a guide rod 5. Each of the valve body 1, valve seat 2, and valve sleeve 4 has a through-channel. A sealing cap 6 is located at the left end of the channel within the valve body 4, and a guide rod 5 is located at the center of the sealing cap 6. A return spring 7 is located on the guide rod 5 within the valve body 1. A valve seat 2 is located in the right region of the valve body 1, and a valve sleeve 4 is located within the valve seat 2. A valve core 3 is located within the valve sleeve 4. The valve seat 2, valve sleeve 4, and valve core 3 are sequentially fitted together. The inner end face of the valve sleeve 4 abuts against the return spring 7. A limiting ring 8 is located on the inner diameter surface of the outer port of the valve seat 2, and the limiting ring 8 abuts against the outer end face of the valve sleeve 4. A limiting seat 401 is located in the middle of the channel within the valve sleeve 4, and a fixing seat 9 is located at the end of the valve core 3. A return spring 7 is located between the fixing seat 9 and the limiting seat 401.
[0019] like Figure 1 As shown, the valve core 3 is composed of a valve stem 301 and an abutment seat 302. The main body of the valve core 3 is placed at the center of the limiting seat 401. The abutment seat 303 forms a wedge-shaped abutment with the outer port of the valve sleeve 4. There is a gap between the abutment seat 303 and the limiting ring 8.
[0020] like Figure 1 As shown, the limiting ring 8 does not contact the outer diameter surface of the contact seat 302, leaving a gap, and the outer port of the valve seat 2 is the first oil port 10.
[0021] like Figure 1 As shown, the valve seat 2 is provided with a second oil port 11, which is connected to the inner cavity enclosed by the valve stem 301, the contact seat 302, and the valve sleeve 4 through the second flow channel 12 on the valve sleeve 4; the valve seat 2 is provided with a flow channel 12, which is connected to the pilot port 13 of the valve body 1, and the flow channel 12 is connected to the rodless cavity 402 of the valve sleeve 4.
[0022] like Figure 1 As shown, multiple sets of sealing rings are provided between valve seat 2 and valve body 1, between valve seat 2 and valve core 4, and between guide rod 5 and valve body 1.
[0023] The working principle of this utility model is explained as follows: During operation, when the pressure at the first oil port is high, oil enters through the pilot port, driving the valve sleeve to move inward until the pressure on both sides is balanced, at which point oil entry through the pilot port stops. When the pressure at the second oil port is high, the valve core is driven to move outward until the pressure on both sides is balanced. When disassembling and repairing the guide rod and return spring, only the sealing cover needs to be removed and the guide rod taken out; the valve sleeve and valve core on the other side do not need to be disassembled. When removing the internal valve core, only the limit ring needs to be removed to allow the valve sleeve to be taken out as a whole; there is no need to remove the external valve seat, which greatly improves the efficiency of maintenance and replacement.
[0024] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention should fall within the protection scope of the present invention. The technical content for which protection is sought in the present invention has been fully described in the claims.
Claims
1. A novel balanced valve characterized in that, Including valve body, valve seat, valve core, valve sleeve, guide rod, the valve body, valve seat, valve sleeve are all set up through the channel in, the channel left end in the valve body is equipped with sealing cover, the sealing cover center is equipped with guide rod, is equipped with return spring on the guide rod in the valve body, the valve seat is equipped with valve sleeve in the valve body right side area, the valve sleeve is equipped with valve core in, the valve seat, valve sleeve, valve core are equipped with butt joint in turn, the valve sleeve inside end face and return spring resist contact, the valve seat outside port inner diameter surface is equipped with limit ring, the limit ring and the outside end face of valve sleeve resist contact, the middle part of channel in the valve sleeve is equipped with limit seat, the valve core tail end is equipped with fixed seat, is equipped with return spring between fixed seat and limit seat.
2. A new balanced valve according to claim 1, characterized in that The valve core is valve rod, and the contact seat is composed, the main body of the valve core is placed in the center of the limit seat, the contact seat and the outside port of the valve sleeve form a wedge-shaped contact, and the contact seat and the limit ring leave a gap.
3. A new balanced valve as claimed in claim 1, wherein, The limit ring does not resist the outer diameter surface of the contact seat and leaves a gap, and the outside port of the valve seat is a first oil port.
4. A new balanced valve as claimed in claim 1, wherein, The second oil port is provided on the valve seat and is communicated with the inner cavity surrounded by the valve rod, the contact seat and the valve sleeve through the second flow channel on the valve sleeve, a flow channel is formed on the valve seat and is communicated with the pilot port of the valve body, and the flow channel is communicated with the rodless cavity of the valve sleeve.
5. A new balanced valve as claimed in claim 1, wherein, Multiple sets of sealing rings are arranged between the valve seat and the valve body, between the valve seat and the valve core, and between the guide rod and the valve body.