Gas valve gas leakage detection device
By designing a lower and upper shell on the gas valve to form a sealed space, the detector head can detect gas leaks in a timely manner and trigger an alarm, solving the problem of inaccurate detection in strong wind environments and reducing the occurrence of safety accidents.
Patent Information
- Application Number
- CN202520608881.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Existing gas valve leak detectors are prone to failing to provide timely alarms in strong winds due to gas drifting away, increasing the risk of safety accidents.
A gas valve gas leak detection device comprising a lower housing and an upper housing was designed, forming a relatively sealed space. The detector head is located within this space, ensuring rapid detection and alarm in case of gas leak.
It effectively reduces safety accidents caused by the failure to promptly alert for gas leaks, and ensures that the detector can quickly detect and issue an alarm by forming a sealed space.
Smart Images

Figure CN223924555U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas leakage detection technical field especially relates to a gas valve gas leakage detection device. BACKGROUND
[0002] The gas valve is a kind of new safety matching device of gas pipeline engineering.It has good control characteristics and sealing performance.It is usually suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen.In the process of using gas valve, combustible gas leakage detector is usually arranged near it.The detector detects whether there is gas leakage in air through detection head on it.When detecting gas leakage, alarm on it will send alarm, so that maintenance personnel can quickly know the situation and respond.
[0003] However, when using the common gas leakage detector, it is found that when the valve leaks, if external wind is too large, gas will be blown away with wind, so that the detection head on the detector cannot detect the leaked gas, and further cannot send gas leakage alarm in time, which may cause serious safety accidents.
[0004] Therefore, it is necessary to provide a new gas valve gas leakage detection device to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model discloses a gas valve gas leakage detection device which can detect the leaked gas in the first time to the greatest extent and reduce safety accidents.
[0006] To solve the above technical problems, the gas valve gas leakage detection device provided by the utility model comprises a horizontal mounting sheet and a detector, the detector comprises a detection head and an alarm, a vertical mounting sheet is fixedly installed at the top of the horizontal mounting sheet, the horizontal mounting sheet and the vertical mounting sheet are vertically distributed, a lower shell is fixedly installed at the top of the horizontal mounting sheet, a valve is arranged in the lower shell, external connecting pipes are fixedly installed at the gas inlet end and the gas outlet end of the valve, one ends of the two external connecting pipes away from each other extend to the two sides of the lower shell respectively, and the two external connecting pipes respectively penetrate through the two sides of the lower shell and are slidably connected with the two sides of the lower shell, an upper shell is arranged at the top of the lower shell, the detector is arranged above the upper shell, the detection head extends into the upper shell and is movably connected with the top of the upper shell.
[0007] Preferably, a horizontal protruding plate is fixedly installed on one side of the vertical mounting sheet, a lifting threaded rod is rotatably installed on the horizontal protruding plate, a connecting plate is threadedly installed on the lifting threaded rod, and one side of the connecting plate is fixedly connected with the upper shell.
[0008] Preferably, the top of the upper shell is fixedly provided with a U-shaped frame, the detector is located in the U-shaped frame, a connecting sleeve is fixedly provided on the detector, the bottom of the connecting sleeve is in contact with the top of the upper shell, the connecting sleeve is in contact with the inner wall of the U-shaped frame, two connecting blocks are fixedly provided on the two sides of the connecting sleeve, the two connecting blocks are respectively in contact with the two inner walls of the U-shaped frame, a blind hole is formed in each of the two connecting blocks, and a U-shaped rod is slidably provided on one side of the U-shaped frame.
[0009] Preferably, a fixed sheet is fixedly provided on the U-shaped rod, two reset springs are provided on the U-shaped rod, one end of the reset spring is fixedly connected with the fixed sheet, and the other end is fixedly connected with the outer wall of the U-shaped frame.
[0010] Preferably, two limiting rods are fixedly provided on the outer wall of the U-shaped frame, the two limiting rods are in sliding connection with the fixed sheet and pass through the fixed sheet, and the end of each limiting rod is fixedly provided with a baffle.
[0011] Preferably, a guide sliding rod is slidably provided on the transverse convex plate, and the bottom end of the guide sliding rod is fixedly connected with the connecting plate.
[0012] Preferably, mounting holes are formed in the horizontal mounting sheet and the vertical mounting sheet.
[0013] Compared with the related art, the gas leakage detection device for the gas valve has the following beneficial effects:
[0014] The gas leakage detection device for the gas valve is provided with the lower shell and the upper shell, so that a relatively closed space is formed, the valve is arranged in the space formed by the lower shell and the upper shell, the detection head can quickly detect when gas leakage occurs, the alarm can be triggered, the staff can be timely reminded of the gas leakage, and the occurrence of safety accidents is minimized. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The structure diagram of a preferred embodiment of the gas leakage detection device for the gas valve is provided.
[0016] Figure 2 The assembly structure diagram of the lower shell and the valve in the utility model is provided.
[0017] Figure 3 The connection structure diagram of the U-shaped frame and the upper shell in the utility model is provided.
[0018] Figure 4 It is the connecting structure schematic view of connecting block and detector in the utility model.
[0019] Figure 5 It is the oblique view structure schematic view of upper shell in the utility model.
[0020] The figure mark: 1, horizontal installation piece;2, vertical installation piece;3, lower shell;4, valve;5, external pipeline;6, upper shell;7, transverse protruding plate;8, lifting screw rod;9, link plate;10, back-shaped frame;11, detector;12, detection head;13, alarm;14, connecting block;15, clamping position blind hole;16, U-shaped rod;17, fixed sheet;18, reset spring. Specific implementation
[0021] The utility model will be further explained in connection with the drawings and implementation.
[0022] Please combine with reference to Figures 1-5 Among them, Figure 1 It is the structure schematic view of a preferred embodiment of gas valve gas leakage detection device provided by the utility model; Figure 2 It is the assembly structure schematic view of lower shell and valve in the utility model; Figure 3 It is the connecting structure schematic view of back-shaped frame and upper shell in the utility model; Figure 4 It is the connecting structure schematic view of connecting block and detector in the utility model; Figure 5 It is the oblique view structure schematic view of upper shell in the utility model. Gas valve gas leakage detection device includes: horizontal installation piece 1 and detector 11, the model of detector 11 is GT-QD6310, it is the combustible gas leakage detector commonly seen on the market, here does not make too much elaboration, and the detector 11 includes detection head 12 and alarm 13, and the top of horizontal installation piece 1 is fixedly installed with vertical installation piece 2, the horizontal installation piece 1 and vertical installation piece 2 are vertically distributed, and installation hole is formed in the horizontal installation piece 1 and vertical installation piece 2, can select installation surface to install according to actual installation position, the top of horizontal installation piece 1 is fixedly installed with lower shell 3, the lower shell 3 is equipped with valve 4, the gas inlet end and the gas outlet end of valve 4 are fixedly installed with external pipeline 5, the two external pipeline 5 are extended to the two sides of lower shell 3 respectively at the end away from each other, and the two external pipeline 5 are respectively through the two sides of lower shell 3 and are slidably connected with the two sides of lower shell 3, the top of lower shell 3 is equipped with upper shell 6, the top of upper shell 6 is equipped with detector 11, detection head 12 extends into upper shell 6 and is movably connected with the top of upper shell 6, so that detection head 12 can be arranged in the relatively closed space formed by lower shell 3 and upper shell 6, so that detection head 12 can timely detect the leaked fuel gas.
[0023] And in the above manner, in order to facilitate the lower shell 3 and the upper shell 6 split, to expose the valve 4 in its inside, the vertical mounting piece 2 is fixedly installed on one side of the horizontal protruding plate 7, the lifting screw rod 8 is rotatably installed on the horizontal protruding plate 7, the connecting plate 9 is threadedly installed on the lifting screw rod 8, one side of the connecting plate 9 is fixedly connected with the upper shell 6, and the guide slide rod is slidably installed on the horizontal protruding plate 7, and the bottom end of the guide slide rod is fixedly connected with the connecting plate 9.
[0024] In the present manner, in order to facilitate the disassembly and assembly of the detector 11, the back-shaped frame 10 is fixedly installed on the top of the upper shell 6, the detector 11 is arranged in the back-shaped frame 10, the connecting sleeve is fixedly installed on the detector 11, the connecting sleeve and the back-shaped frame 10 can be connected by bolts, the bottom of the connecting sleeve is in contact with the top of the upper shell 6, the connecting sleeve is in contact with the inner wall of the back-shaped frame 10, the connecting blocks 14 are fixedly installed on the two sides of the connecting sleeve, the connecting blocks 14 can be connected by bolts, the two sides of the two connecting blocks 14 away from each other are respectively in contact with the two inner walls of the back-shaped frame 10, the card position blind hole 15 is formed in the two connecting blocks 14, the U-shaped rod 16 is slidably installed on one side of the back-shaped frame 10, the two ends of the U-shaped rod 16 extend into the two card position blind holes 15 respectively, the fixing piece 17 is fixedly sleeved on the U-shaped rod 16, the two reset springs 18 are sleeved on the U-shaped rod 16, one end of the reset spring 18 is fixedly connected with the fixing piece 17, and the other end is fixedly connected with the outer wall of the back-shaped frame 10 on one side, so that the U-shaped rod 16 can be stably inserted into the card position blind hole 15 by the pulling force of the reset spring 18, and in addition, the two limiting rods are fixedly installed on the outer wall of the back-shaped frame 10 on one side, the two limiting rods are slidably connected with the fixing piece 17 and are fixed with the stop piece on the end of the limiting rod, so that the U-shaped rod 16 and the back-shaped frame 10 can be prevented from being separated.
[0025] The working principle of the gas leakage detection device of the gas valve is as follows:
[0026] In the use process of the valve 4, when gas leakage occurs, the leaked gas will flow in the space composed of the lower shell 3 and the upper shell 6, and in the flowing process, the probe head 12 can quickly detect the gas leakage, and then the alarm 13 can alarm, thereby achieving the effect of gas leakage detection and alarm;
[0027] In the subsequent use, when it is detected that the valve 4 needs to be removed and replaced due to leakage, the lifting screw rod 8 is only rotated, the connecting plate 9 is taken with the upper shell 6, and finally the valve 4 in the lower shell 3 is exposed, and then it can be replaced;
[0028] And, when the detector 11 needs to be removed and overhauled in the later period, only the trapezoidal rod 16 is pulled away from the back-shaped frame 10, the trapezoidal rod 16 is taken out from the two clamping position blind holes 15, the reset spring 18 is in a stretched state at this time, then the detector 11 is directly taken out, and then corresponding overhauling and maintenance are carried out, after the overhauling and maintenance are completed, the trapezoidal rod 16 is pulled again, then the detection head 12 on the detector 11 is inserted into the upper shell 6, then the trapezoidal rod 16 is loosened, the stretched reset spring 18 rebounds, the trapezoidal rod 16 is directly taken into the two clamping position blind holes 15, and thus the overhauling and maintenance work of the detector 11 is completed.
[0029] Compared with the related art, the gas valve gas leakage detection device has the following beneficial effects:
[0030] The utility model provides a kind of gas valve gas leakage detection device, by the lower shell 3 and upper shell 6 being set, a more airtight space can be formed, then valve 4 is set in the space formed by two, when gas leakage occurs, it can be guaranteed that detection head 12 can be detected quickly, and alarm 13 is sent alarm, so as to timely remind staff gas leakage, the occurrence of safety accident is reduced to the greatest extent.
[0031] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. A gas valve gas leakage detection device comprising a horizontal mounting plate and a detector, said detector comprising a probe head and an alarm, characterized in that, The top of the horizontal mounting piece is fixedly installed with a vertical mounting piece, the horizontal mounting piece and the vertical mounting piece are vertically distributed, the top of the horizontal mounting piece is fixedly installed with a lower shell, the lower shell is provided with a valve, the air inlet end and the air outlet end of the valve are fixedly installed with external connecting pipes, the ends of the two external connecting pipes away from each other extend to the two sides of the lower shell respectively, and the two external connecting pipes respectively penetrate through the two sides of the lower shell and are in sliding connection with the two sides of the lower shell, the top of the lower shell is provided with an upper shell, the upper shell is provided with a detector above, and the detection head extends into the upper shell and is in movable connection with the top of the upper shell.
2. The gas valve gas leak detection apparatus of claim 1, wherein, One side of the vertical mounting piece is fixedly installed with a horizontal convex plate, the horizontal convex plate is rotatably installed with a lifting threaded rod, the lifting threaded rod is threadedly installed with a connecting plate, and one side of the connecting plate is fixedly connected with the upper shell.
3. The gas valve gas leak detection apparatus of claim 1, wherein, The top of the upper shell is fixedly installed with a meandering frame, the detector is located in the meandering frame, the detector is fixedly installed with a connecting sleeve, the bottom of the connecting sleeve is in contact with the top of the upper shell, the connecting sleeve is in contact with the inner wall of the meandering frame, connecting blocks are fixedly installed on the two sides of the connecting sleeve, the two sides of the connecting blocks away from each other are respectively in contact with the two inner walls of the meandering frame, clamping blind holes are formed in the two connecting blocks, a U-shaped rod is slidably installed on one side of the meandering frame, and the two ends of the U-shaped rod extend into the two clamping blind holes respectively.
4. The gas valve gas leak detection apparatus of claim 3, wherein, A fixed piece is fixedly sleeved on the U-shaped rod, two reset springs are sleeved on the U-shaped rod, one end of the reset spring is fixedly connected with the fixed piece, and the other end is fixedly connected with the outer wall of one side of the meandering frame.
5. The gas valve gas leak detection apparatus of claim 4, wherein, Two limiting rods are fixedly installed on the outer wall of one side of the meandering frame, the two limiting rods penetrate through the fixed piece and are in sliding connection with the fixed piece, and the end portions of the two limiting rods are fixedly installed with baffle plates.
6. The gas valve gas leak detection apparatus of claim 2, wherein, A guide sliding rod is slidably installed on the horizontal convex plate, and the bottom end of the guide sliding rod is fixedly connected with the connecting plate.
7. The gas valve gas leak detection apparatus of claim 1, wherein, Mounting holes are formed in the horizontal mounting piece and the vertical mounting piece.