Rising stem gate valve

Abstract

The utility model relates to the technical field of rising stem gate valves, and discloses a rising stem gate valve which comprises a valve body, a valve rod and a hand wheel, the outer wall of the valve body is fixedly connected with a mounting column, the outer wall of the mounting column is movably connected with a mounting ring, the outer wall of the mounting column is movably connected with a connecting frame, the top of the connecting frame is fixedly connected with a spring, and the spring is fixedly connected with the valve rod. An inserting rod is movably connected to the inner wall of the connecting frame, a pull rod is fixedly connected to one end of the inserting rod, a rubber sleeve is fixedly connected to the outer wall of the inserting rod, a dismounting ring is movably connected to the outer wall of the hand wheel, and a positioning block is fixedly connected to the outer wall of the dismounting ring. According to the rising stem gate valve, the rising stem gate valve can be provided with a locking structure, so that direction locking and limiting can be carried out when the gate valve is opened or closed, the situation that the gate valve is operated by non-operating personnel in the later use process is effectively avoided, potential safety hazards in the use process are reduced, and meanwhile the rising stem gate valve can be normally used.

Description

Technical Field

[0001] The utility model relates to the technical field of rising stem gate valves, in particular to a rising stem gate valve. Background Art

[0002] The opening and closing part of the rising stem gate valve is the gate plate. The movement direction of the gate plate is perpendicular to the direction of the fluid. The rising stem gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The rising stem gate valve opens and closes by lifting or lowering the valve plate connected to the valve stem through the advancement and retreat of the handwheel and the valve stem thread.

[0003] Existing rising-stem gate valves do not have a locking structure, which may result in the gate valve being operated by non-operating personnel during use, which not only affects the normal use of the pipeline system, but also poses a major safety hazard. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a rising stem gate valve having advantages such as a locking function, and solves the problems in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of having a locking function, the utility model provides the following technical solutions: a rising-stem gate valve, comprising a valve body, a valve stem and a handwheel, characterized in that: the outer wall of the valve body is fixedly connected to a mounting column, the outer wall of the mounting column is movably connected to a connecting frame, and the top of the connecting frame is fixedly connected to a spring.

[0008] The inner wall of the connecting frame is movably connected with an insertion rod, one end of the insertion rod is fixedly connected with a pulling rod, the outer wall of the insertion rod is fixedly connected with a rubber sleeve, the outer wall of the hand wheel is movably connected with a disassembly ring, and the outer wall of the disassembly ring is fixedly connected with a positioning block, which can make the rising stem gate valve have a locking structure, so that the direction locking limit can be performed when opening or closing the gate valve, which effectively avoids the gate valve being operated by non-operating personnel during later use, which not only reduces the safety hazard during use, but also enables the normal use of the rising stem gate valve.

[0009] Preferably, the outer wall of the mounting column is movably connected with a mounting ring, one side of the connecting frame is provided with a mounting groove, the top of the positioning block is provided with a slot, and the inner wall of the disassembly ring is movably connected with bolts, which can facilitate the user to disassemble and assemble the locking structure, thereby preventing the gate valve from aging or being damaged after years of use and requiring overall replacement when maintenance is required, effectively saving cost resources, and at the same time it can be disassembled and assembled according to usage requirements.

[0010] Preferably, the connecting frame is movably connected to the mounting column via the mounting groove, and the connecting frame is a T-shaped connecting frame, which facilitates the movably connecting the connecting frame to the mounting column and enables the insertion rod to be movably installed.

[0011] Preferably, the outer wall of the mounting column and the inner wall of the mounting ring are both provided with threads, and the mounting column and the mounting ring are threadedly connected, so as to facilitate the disassembly and assembly of the connecting frame and the valve body.

[0012] Preferably, there are two disassembly rings, and the outer walls of the two disassembly rings are respectively provided with a rotating shaft and a movable block, so that the two disassembly rings can be movably connected, thereby facilitating the installation of the disassembly ring and the outer wall of the handwheel.

[0013] Preferably, the outer wall of the disassembly ring is provided with a through groove, and the disassembly ring is movably connected to the bolt through the through groove, and the outer wall of the bolt is movably connected with a nut, which facilitates the disassembly and assembly of the disassembly ring and the outside of the handwheel, and can be disassembled and adjusted according to usage requirements.

[0014] Preferably, one end of the spring is fixedly connected to the top of the connecting frame, and the other end of the spring is fixedly connected to the outer wall of the insertion rod, which can connect the insertion rod and can be reset when the insertion rod is pulled to move.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a rising stem gate valve, which has the following beneficial effects:

[0017] 1. The rising stem gate valve can have a locking structure through a connecting frame, a spring, a plug rod, a pull rod, a rubber sleeve, a positioning block and a slot, so that the direction of the gate valve can be locked and limited when opening or closing the gate valve, effectively avoiding the gate valve being operated by non-operating personnel during later use, which not only reduces the safety hazards during use, but also enables the normal use of the rising stem gate valve.

[0018] 2. The rising-stem gate valve can facilitate users to disassemble and assemble the locking structure through the installation column, installation ring, connecting frame, installation groove, disassembly ring and bolts, thereby preventing the gate valve from aging or being damaged after years of use and requiring overall replacement when maintenance is required, effectively saving cost resources, and at the same time it can be disassembled and assembled according to usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0021] Figure 3 For this utility model Figure 1Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of the positioning block and the disassembly ring of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the connecting frame of the utility model.

[0024] In the figure: 1. valve body; 2. valve stem; 3. hand wheel; 4. mounting column; 5. mounting ring; 6. connecting frame; 7. mounting groove; 8. spring; 9. plug rod; 10. pull rod; 11. rubber sleeve; 12. positioning block; 13. slot; 14. disassembly ring; 15. bolt. DETAILED DESCRIPTION

[0025] 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.

[0026] Example 1

[0027] The preferred embodiment of the rising stem gate valve provided by the utility model is as follows Figures 1 to 5 As shown: a rising stem gate valve, including a valve body 1, a valve stem 2 and a hand wheel 3, characterized in that: the outer wall of the valve body 1 is fixedly connected to a mounting column 4, the outer wall of the mounting column 4 is movably connected to a connecting frame 6, and the top of the connecting frame 6 is fixedly connected to a spring 8.

[0028] The inner wall of the connecting frame 6 is movably connected with an insert rod 9, one end of the insert rod 9 is fixedly connected with a pull rod 10, the outer wall of the insert rod 9 is fixedly connected with a rubber sleeve 11, the outer wall of the hand wheel 3 is movably connected with a disassembly ring 14, and the outer wall of the disassembly ring 14 is fixedly connected with a positioning block 12, which can make the rising stem gate valve have a locking structure, so that the direction locking limit can be performed when opening or closing the gate valve, effectively avoiding the gate valve being operated by non-operating personnel during later use, which not only reduces the safety hazard during use, but also enables the normal use of the rising stem gate valve.

[0029] In this embodiment, the outer wall of the mounting column 4 is movably connected with a mounting ring 5, one side of the connecting frame 6 is provided with a mounting groove 7, the top of the positioning block 12 is provided with a slot 13, and the inner wall of the disassembly ring 14 is movably connected with a bolt 15, which can facilitate the user to disassemble and assemble the locking structure, thereby preventing the gate valve from aging or being damaged after years of use and requiring overall replacement when maintenance is required, effectively saving cost resources, and at the same time being able to be disassembled and assembled according to usage requirements.

[0030] Example 2

[0031] On the basis of Example 1, a preferred embodiment of the rising stem gate valve provided by the present invention is as follows Figures 1 to 5 As shown: the connecting frame 6 is movably connected to the mounting column 4 through the mounting groove 7, and the connecting frame 6 is a T-shaped connecting frame, which is convenient for movably connecting the connecting frame 6 to the mounting column 4 and can movably install the insertion rod 9.

[0032] In this embodiment, the outer wall of the mounting column 4 and the inner wall of the mounting ring 5 are both provided with threads, and the mounting column 4 and the mounting ring 5 are threadedly connected, so as to facilitate the disassembly and assembly of the connecting frame 6 and the valve body 1 .

[0033] Furthermore, there are two disassembly rings 14 , and the outer walls of the two disassembly rings 14 are respectively provided with a rotating shaft and a movable block, which can make the two disassembly rings 14 movably connected, thereby facilitating the installation of the disassembly ring 14 and the outer wall of the handwheel 3 .

[0034] Furthermore, a through groove is provided on the outer wall of the disassembly ring 14, and the disassembly ring 14 is movably connected to the bolt 15 through the through groove, and a nut is movably connected to the outer wall of the bolt 15, which facilitates the disassembly and assembly of the disassembly ring 14 and the handwheel 3, and can be disassembled and adjusted according to usage requirements.

[0035] In addition, one end of the spring 8 is fixedly connected to the top of the connecting frame 6, and the other end of the spring 8 is fixedly connected to the outer wall of the insertion rod 9, which can connect the insertion rod 9 and can be reset when the insertion rod 9 is pulled to move.

[0036] When in use, first pull the pull rod 10 downwards to disengage the plug rod 9 at one end from the slot 13 on the positioning block 12, and move it downwards in the connecting frame 6, and the spring 8 will be squeezed and deformed during the movement. When the gate valve is completed, the pull rod 10 is released, and the pull rod 10 and the plug rod 9 as a whole will be reset under the rebound force of the spring 8, so that one end of the plug rod 9 is reinserted into the positioning block 12 to lock the gate valve. When disassembling and assembling the locking structure at a later time, the mounting ring 5 can be rotated first to disengage it from the outside of the mounting column 4, so as to facilitate the disassembly of the connecting frame 6 and the mounting column 4, and at the same time, the bolts 15 outside the disassembly ring 14 can be removed, so as to facilitate the disassembly of the disassembly ring 14 as a whole from the outer wall of the handwheel 3. The structure is simple and the operation is convenient, and it can be disassembled and used according to the use requirements.

[0037] To sum up, the rising stem gate valve can provide the rising stem gate valve with a locking structure, which can effectively prevent the gate valve from being operated by non-operating personnel during later use, reduce safety hazards during use, and facilitate users to disassemble and assemble the locking structure, thereby preventing the gate valve from aging or being damaged after years of use and requiring overall replacement when repair is required, effectively saving cost resources.

[0038] 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.

[0039] 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 rising stem gate valve, comprising a valve body (1), a valve stem (2) and a hand wheel (3), characterized in that: The outer wall of the valve body (1) is fixedly connected to a mounting column (4), the outer wall of the mounting column (4) is movably connected to a connecting frame (6), and the top of the connecting frame (6) is fixedly connected to a spring (8); The inner wall of the connecting frame (6) is movably connected to an insertion rod (9), one end of the insertion rod (9) is fixedly connected to a pull rod (10), the outer wall of the insertion rod (9) is fixedly connected to a rubber sleeve (11), the outer wall of the hand wheel (3) is movably connected to a disassembly ring (14), and the outer wall of the disassembly ring (14) is fixedly connected to a positioning block (12).

2. A rising stem gate valve according to claim 1, characterized in that: The outer wall of the mounting column (4) is movably connected to a mounting ring (5), a mounting groove (7) is provided on one side of the connecting frame (6), a slot (13) is provided on the top of the positioning block (12), and a bolt (15) is movably connected to the inner wall of the disassembly ring (14).

3. A rising stem gate valve according to claim 2, characterized in that: The connecting frame (6) is movably connected to the mounting column (4) via the mounting groove (7), and the connecting frame (6) is a T-shaped connecting frame.

4. A rising stem gate valve according to claim 2, characterized in that: The outer wall of the mounting column (4) and the inner wall of the mounting ring (5) are both provided with threads, and the mounting column (4) is threadedly connected to the mounting ring (5).

5. A rising stem gate valve according to claim 2, characterized in that: The number of the disassembly and assembly rings (14) is two, and the outer walls of the two disassembly and assembly rings (14) are respectively provided with a rotating shaft and a movable block.

6. A rising stem gate valve according to claim 2, characterized in that: The outer wall of the disassembly ring (14) is provided with a through groove, and the disassembly ring (14) is movably connected to the bolt (15) through the through groove, and the outer wall of the bolt (15) is movably connected with a nut.

7. A rising stem gate valve according to claim 1, characterized in that: One end of the spring (8) is fixedly connected to the top of the connecting frame (6), and the other end of the spring (8) is fixedly connected to the outer wall of the insertion rod (9).

Images