Anti-misoperation positioning mechanism for manual hydraulic valve

Abstract

The utility model relates to the field of hydraulic control, and discloses an anti-misoperation positioning mechanism for a manual hydraulic valve, which comprises a positioning plate fixed on an operation panel, a pressure spring sleeve fixedly arranged on a handle lever of the manual hydraulic valve, a positioning sleeve movably arranged on the handle lever, and a pressure spring with two ends respectively connected with the pressure spring sleeve and the positioning sleeve, the positioning plate is provided with a receding groove allowing the handle rod to move, the receding groove is provided with a limiting hole used for limiting the handle rod in different valve position states, and the inner diameter of the limiting hole is larger than the width of the receding groove. A positioning head inserted into the limiting hole is arranged at the bottom of the positioning sleeve, and the outer diameter of the positioning head is matched with the inner diameter of the limiting hole. According to the utility model, the handle rod can be locked by using the positioning sleeve on the handle rod and the positioning plate on the operation panel, so that the problem of gear skipping caused by mistaken touch of the handle rod can be effectively prevented.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic control, in particular to a manual hydraulic valve anti-misoperation positioning mechanism. Background Art

[0002] Manual hydraulically controlled valves achieve range control by manually pushing and pulling a handle, which in turn causes the valve stem to move within the valve body. Manual hydraulically controlled valves are widely used in various hydraulic control systems. For example, in drilling projects, when retrieving drill pipe, a clamp is used to secure the lower drill pipe, then remove the upper drill pipe, repeating this process until all are retrieved. The clamping of the drill pipe by the clamp is controlled by a hydraulically controlled valve.

[0003] The handles of existing hydraulic control valves lack a positioning mechanism, making them prone to accidental shifting due to misoperation, which can lead to safety hazards or financial losses. To address this problem, the present application provides a manual hydraulic valve anti-misoperation positioning mechanism that effectively prevents shifting. Utility Model Content

[0004] The present invention aims to solve the technical problems existing in the prior art. To this end, the present invention provides a manual hydraulic valve anti-misoperation positioning mechanism, which can lock the handle when the hydraulic control valve is in various valve positions, effectively preventing the hydraulic control valve from shifting.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Provided is a manual hydraulic valve anti-misoperation positioning mechanism, comprising a positioning plate fixed on an operating panel, a compression spring sleeve fixedly arranged on a handle rod of the manual hydraulic valve, a positioning sleeve movably arranged on the handle rod, and a compression spring whose two ends are respectively connected to the compression spring sleeve and the positioning sleeve; the positioning plate is provided with a clearance groove for the movement of the handle rod, the clearance groove is provided with a limiting hole for limiting the handle rod in different valve position states, and the inner diameter of the limiting hole is larger than the width of the clearance groove; the bottom of the positioning sleeve is provided with a positioning head inserted into the limiting hole, and the outer diameter of the positioning head matches the inner diameter of the limiting hole.

[0007] In some optional embodiments, a handle cap is screwed onto the top of the handle rod.

[0008] In some optional embodiments, the compression spring sleeve is threadedly connected to the handle rod, welded to the handle rod, or connected to the handle rod by a set bolt.

[0009] In some optional embodiments, a blind hole for accommodating the compression spring sleeve is provided on the top of the positioning sleeve.

[0010] In some optional embodiments, the top of the positioning sleeve is further provided with an outward-turned flange.

[0011] In some optional embodiments, the positioning plate is arched, and at least one end thereof is provided with a mounting surface, and the mounting surface is detachably fixedly mounted on the operation panel.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model can lock the handle bar by using the positioning sleeve on the handle bar and the positioning plate on the operation panel, which can effectively prevent the handle bar from jumping due to accidental touch; at the same time, unlocking only requires pulling up the positioning sleeve so that the positioning head is out of the limiting hole on the positioning plate, which is simple to operate and has reliable limiting function. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0015] Figure 1 This is an exploded view of the manual hydraulic valve anti-misoperation positioning mechanism provided by the utility model;

[0016] Figure 2 This is an assembly diagram of the manual hydraulic valve anti-misoperation positioning mechanism provided by the utility model;

[0017] Figure 3 It is a cross-sectional view of the misoperation prevention positioning mechanism of the manual hydraulic valve provided by the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0019] 1—Location plate, 1.1—Gap groove, 1.2—Limiting hole, 2—Compression spring sleeve, 3—Location sleeve, 3.1—Location head, 3.2—Accommodating blind hole, 3.3—Flange, 4—Compression spring, 5—Threaded seat, 6—Bolt, 10—Operation panel, 20—Hydraulic control valve, 20.1—Handle rod, 20.2—Handle cap. DETAILED DESCRIPTION

[0020] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention; the terms "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0024] Example: As shown in the attached Figure 1 To the attached Figure 3 As shown, a manual hydraulic valve anti-misoperation positioning mechanism includes a positioning plate 1, a compression spring sleeve 2, a positioning sleeve 3 and a compression spring 4, wherein:

[0025] The positioning plate 1 is preferably arched, with a mounting surface provided at at least one end. This mounting surface is removably fixed to the operating panel 10. Specifically, in this embodiment, a threaded seat 5 is provided on the bottom surface of the operating panel 10. The shaft of a bolt 6 extends through the mounting surface and the operating panel 10, threadedly connecting to the threaded seat 5. The positioning plate 1 is provided with a clearance groove 1.1 for the movement of the handle rod 20.1 of the hydraulic control valve 20. This clearance groove 1.1 is also provided with a limiting hole 1.2 for limiting the position of the handle rod 20.1 in different valve positions. The inner diameter of the limiting hole 1.2 is larger than the width of the clearance groove 1.1.

[0026] The compression spring sleeve 2 is sleeved on the handle rod 20.1 of the hydraulic control valve. The compression spring sleeve 2 is cylindrical, and its top is threadedly connected or welded or connected to the handle rod 20.1 by a set bolt. In this embodiment, threaded connection is preferred.

[0027] The positioning sleeve 3 is movably mounted on the handle bar 20.1 and is located below the compression spring sleeve 2. A positioning head 3.1 is provided at the bottom of the positioning sleeve 3 for inserting into the limiting hole 1.2. The outer diameter of the positioning head 3.1 matches the inner diameter of the limiting hole 1.2.

[0028] The compression spring 4 is sleeved on the handle rod 20 . 1 , and one end of the compression spring 4 is received in and fixedly connected to the compression spring sleeve 2 , while the other end is fixedly connected to the positioning sleeve 3 .

[0029] The locking principle of the handle bar of this embodiment: Figure 2 and attached Figure 3 As shown, under the action of the compression spring, the locating head of the locating sleeve is inserted into the limiting hole. Because the width of the clearance groove is smaller than the inner diameter of the limiting hole, and the outer diameter of the locating head matches the inner diameter of the limiting hole, the handle rod cannot be pushed or pulled, thereby locking the handle rod in position. When the handle rod needs to be pushed or pulled, the locating sleeve needs to be pulled out of the limiting hole. After the handle rod is pushed and pulled to the correct position, the locating sleeve is released, allowing the locating head to insert into the limiting hole, locking the handle rod again. This design effectively prevents the handle rod from shifting due to accidental contact, and offers the advantages of simple operation and reliable positioning.

[0030] Preferably, a handle cap 20.2 is screwed onto the top of the handle rod 20.1 to facilitate people to hold the operating handle. The handle cap can be in a spherical, cylindrical or other shape.

[0031] Preferably, as attached Figure 3 As shown, the top of the positioning sleeve 3 is provided with a receiving blind hole 3.2 for receiving the compression spring sleeve 2. This design can shorten the assembly length of the compression spring sleeve, compression spring and positioning sleeve, reduce the length requirement for the handle rod, and has wider adaptability.

[0032] Furthermore, the top of the positioning sleeve 3 is provided with an outward-turned flange 3.3, which makes it easy to pull up the positioning sleeve.

[0033] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A manual hydraulic valve anti-misoperation positioning mechanism, characterized by: It includes a positioning plate fixed on the operation panel, a compression spring sleeve fixed on the handle rod of the manual hydraulic valve, a positioning sleeve movably provided on the handle rod, and a compression spring with two ends respectively connected to the compression spring sleeve and the positioning sleeve; The positioning plate is provided with a clearance groove for the handle rod to move, and the clearance groove is provided with a limiting hole for limiting the handle rod in different valve position states, and the inner diameter of the limiting hole is larger than the width of the clearance groove; A positioning head is provided at the bottom of the positioning sleeve and is inserted into the limiting hole. The outer diameter of the positioning head matches the inner diameter of the limiting hole.

2. The manual hydraulic valve anti-misoperation positioning mechanism according to claim 1, characterized in that: A handle cap is screwed onto the top of the handle rod.

3. The manual hydraulic valve anti-misoperation positioning mechanism according to claim 1, characterized in that: The compression spring sleeve is connected to the handle rod by thread or welding or by a fixing bolt.

4. The manual hydraulic valve anti-misoperation positioning mechanism according to claim 1, characterized in that: The top of the positioning sleeve is provided with a receiving blind hole for receiving the compression spring sleeve.

5. The manual hydraulic valve anti-misoperation positioning mechanism according to claim 4, characterized in that: The top of the positioning sleeve is also provided with an outward-turned flange.

6. The manual hydraulic valve anti-misoperation positioning mechanism according to claim 1, characterized in that: The positioning plate is arched, and at least one end thereof is provided with a mounting surface, and the mounting surface is detachably fixedly mounted on the operation panel.

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