Gate valve filler hole protection cover facilitating internal maintenance
By designing a gate valve packing hole protective cover with an arc-shaped baffle and a flip plate, the problem of cumbersome disassembly of the traditional gate valve packing hole is solved, enabling quick disassembly and installation, enhancing sealing performance, and simplifying the daily maintenance process.
Patent Information
- Application Number
- CN202422885963.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The disassembly process of the packing hole of the gate valve of DN200 and above in existing oil pipelines is cumbersome and easily damages the screws, affecting maintenance efficiency.
A gate valve packing hole protective cover that is easy to disassemble is designed. It adopts an arc-shaped baffle, a flip plate and a snap-fit structure. The flip plate flips and fits inside the arc-shaped fixing block. Combined with the sealing ring, it fits against the outer wall of the packing hole to increase the sealing performance. The snap-fit structure enables quick disassembly and assembly.
It enables quick disassembly and installation, improves maintenance efficiency, enhances sealing, prevents dust and gas penetration, and simplifies daily maintenance.
Smart Images

Figure CN223469814U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of filler hole protective cover, concretely to a gate valve filler hole protective cover convenient for internal maintenance. BACKGROUND
[0002] The original filler operation hole is an iron sheet fixed by four screws, which is very troublesome and time-consuming to disassemble during routine maintenance, and the screws are prone to rust and breakage during disassembly, affecting the disassembly effect.
[0003] Therefore, the utility model discloses a protective cover convenient to disassemble and rotatable, which can improve the use efficiency by rotating the leakage operation hole directly during routine maintenance and rotating back after maintenance. UTILITY MODEL CONTENTS
[0004] The utility model discloses a gate valve filler hole protective cover convenient for internal maintenance, which comprises an arc-shaped baffle, two arc-shaped fixing blocks fixed on the upper and lower ends of the opening of the arc-shaped baffle, a buckle fixed in the arc-shaped fixing block, a turnover plate rotatably connected to one end of the buckle, a rotating shaft rotatably connected to one end of the turnover plate, and a unfolding handle fixed on the two sides of the opening of the arc-shaped baffle.
[0005] To achieve the above-mentioned purpose, a gate valve filler hole protective cover convenient for internal maintenance is provided, which comprises an arc-shaped baffle, two arc-shaped fixing blocks fixed on the upper and lower ends of the opening of the arc-shaped baffle, a buckle fixed in the arc-shaped fixing block, a turnover plate rotatably connected to one end of the buckle, a rotating shaft rotatably connected to one end of the turnover plate, and a unfolding handle fixed on the two sides of the opening of the arc-shaped baffle.
[0006] According to the gate valve filler hole protective cover convenient for internal maintenance, a torsion spring is arranged between the rotating shaft and the turnover plate.
[0007] According to the gate valve filler hole protective cover convenient for internal maintenance, a locking block is arranged on one side of the turnover plate, the locking block and the arc-shaped baffle are fixedly connected, and a through hole is formed in the end of the locking block.
[0008] According to the gate valve filler hole protective cover convenient for internal maintenance, a sealing ring is fixedly connected to the inner wall of the arc-shaped baffle.
[0009] According to the gate valve filler hole protective cover convenient for internal maintenance, a hand-held handle is fixedly connected to the middle of the outer side of the arc-shaped baffle.
[0010] Compared with the prior art, the gate valve packing hole protective cover convenient for internal maintenance has the beneficial effects that
[0011] 1、The utility model relates to a gate valve packing hole protective cover convenient for internal maintenance, be provided with: arc baffle, turnover board, buckle and sealing ring, the arc baffle is set in the outside of gate valve packing hole, then overturns through turnover board, can buckle set in the inside of arc fixed block, the arc baffle is closed firmly, the sealing ring is attached with the packing hole outer wall in the closing process, increases the leakproofness, can prevent the penetration of dust and gas and discharges, influence use environment, through the buckle structure can be fast to the disassembly and installation of arc baffle, solve the problem that traditional bolt fastening mode disassembly is more troublesome.
[0012] 2、The utility model relates to a gate valve packing hole protective cover convenient for internal maintenance, be provided with: hand handle, unfolding handle and square opening slot, when needing to fill, can cooperate hand handle and unfolding handle, rotate to arc baffle, can be corresponded to square opening slot and gate valve packing hole to fill, after seasoning is completed, hand handle and unfolding handle reverse rotation again, square opening slot and wall attach, and the structure can complete filling and closing effect without disassembly.
[0013] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further explained below in combination with the drawings and examples;
[0015] Figure 1 It is the perspective view of the utility model's gate valve packing hole protective cover convenient for internal maintenance;
[0016] Figure 2 It is the back side elevational view of the utility model's gate valve packing hole protective cover convenient for internal maintenance;
[0017] Figure 3 It is the utility model Figure 1 A place enlarged view in.
[0018] Fig: 1, arc baffle;2, square opening slot;3, sealing ring;4, unfolding handle;5, hand handle;6, buckle;7, arc fixed block;8, pivot;9, locking block;10, turnover board. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the present utility model.
[0020] Please refer to Figures 1-3 The present utility model provides a technical scheme: a gate valve packing hole protective cover convenient for internal maintenance, comprising: an arc-shaped baffle 1, the arc-shaped baffle 1 is arranged in a ring shape, square opening grooves 2 are formed on both sides of the arc-shaped baffle 1, when packing is needed, the cooperation of the portable handle 5 and the unfolding handle 4 can be used to rotate the arc-shaped baffle 1, the square opening groove 2 and the gate valve packing hole can be corresponded, thereby the packing function is completed, arc-shaped fixed blocks 7 are fixedly connected to the upper end and the lower end of one side of the opening of the arc-shaped baffle 1, buckles 6 are clamped in the arc-shaped fixed blocks 7, the turnover plate 10 is reset, then the buckle 6 is pulled tight, thereby the arc-shaped baffle 1 is firmly closed, one end of the buckle 6 is rotatably connected with the turnover plate 10, the arc-shaped baffle 1 is sleeved outside the gate valve packing hole, then the turnover plate 10 is turned over, the buckle 6 can be sleeved inside the arc-shaped fixed block 7, one end of the turnover plate 10 is rotatably connected with a rotating shaft 8, the rotating shaft 8 is fixedly connected with the arc-shaped baffle 1, unfolding handles 4 are fixedly connected to both sides of the opening of the arc-shaped baffle 1.
[0021] A torsion spring is in contact between the rotating shaft 8 and the turnover plate 10, a locking block 9 penetrates through one side of the turnover plate 10, the end through hole of the locking block 9 can be inserted into a latch rod and other structures to increase the limiting effect, the locking block 9 is fixedly connected with the arc-shaped baffle 1, a through hole is formed in the end of the locking block 9, sealing rings 3 are fixedly connected to the upper end and the lower end of the inner wall of the arc-shaped baffle 1, the sealing rings 3 are attached to the outer wall of the packing hole in the closing process of the arc-shaped baffle 1, the sealing property is increased, the penetration and discharge of dust and gas are prevented, the use environment is affected, a portable handle 5 is fixedly connected to the middle of the outer side of the arc-shaped baffle 1.
[0022] Working principle: in use, the arc baffle 1 is sleeved outside the gate valve packing hole, then the turnover plate 10 is turned over, the buckle 6 can be sleeved inside the arc fixed block 7, then the turnover plate 10 is reset, then the buckle 6 is tightened, so that the arc baffle 1 is firmly closed, the end through hole of the locking block 9 can be inserted into the latch rod and other structures to increase the limiting effect, the sealing ring 3 of the arc baffle 1 is attached to the outer wall of the packing hole during closing, the sealing property is increased, the penetration and discharge of dust and gas are prevented, the use environment is affected, when packing is needed, the cooperation of the hand handle 5 and the unfolding handle 4 can rotate the arc baffle 1, the square opening slot 2 and the gate valve packing hole are corresponding, so that the packing effect is completed, after the seasoning is completed, the hand handle 5 and the unfolding handle 4 are reversely rotated again, the square opening slot 2 is attached to the wall, the closing effect is achieved.
[0023] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A gate valve stuffing box protector that facilitates internal maintenance, comprising: Arc-shaped baffle (1) characterized in that the arc-shaped baffle (1) is arranged in a ring shape, square opening slots (2) are formed on both sides of the arc-shaped baffle (1), arc-shaped fixed blocks (7) are fixedly connected to the upper and lower ends of one side of the opening of the arc-shaped baffle (1), buckles (6) are clamped in the arc-shaped fixed blocks (7), turnover plates (10) are rotatably connected to one end of the buckles (6), rotating shafts (8) are rotatably connected to one end of the turnover plates (10), the rotating shafts (8) are fixedly connected with the arc-shaped baffle (1), and unfolding handles (4) are fixedly connected to both sides of the opening of the arc-shaped baffle (1).
2. A gate valve gland protector for easy internal maintenance as claimed in claim 1, characterized in that: A torsion spring is arranged between the rotating shaft (8) and the turnover plate (10).
3. A gate valve gland protector for easy internal maintenance as claimed in claim 1, wherein: A locking block (9) penetrates through one side of the turnover plate (10), the locking block (9) is fixedly connected with the arc-shaped baffle (1), and a through hole is formed in the end of the locking block (9).
4. A gate valve gland protector for easy internal maintenance as claimed in claim 1, wherein: Sealing rings (3) are fixedly connected to the upper and lower ends of the inner wall of the arc-shaped baffle (1).
5. A gate valve gland protector for easy internal maintenance as claimed in claim 1, wherein: A hand carrying handle (5) is fixedly connected to the middle of the outer side of the arc-shaped baffle (1).