Gas tank sealing performance detection device
By designing a gas cylinder sealing test device, the test box can be detachably fixed by using a ring mounting bracket and screws, which solves the problem of difficult connection between external pipelines and the gas cylinder outlet, improves test efficiency and avoids gas leakage.
Patent Information
- Application Number
- CN202520273977.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In existing technologies, it is not easy to connect external pipelines to the gas outlet of the gas cylinder, which affects the efficiency of use.
A gas cylinder sealing test device was designed. Through the cooperation of the rear annular mounting bracket, the front annular mounting bracket, the positioning column, the positioning ring and the side plate, and the cooperation of the turntable, the screw, the U-shaped plate, the limiting plate, the guide column and the limiting cylinder, the test box can be detachably fixed. Combined with the connecting pipe and the sealing ring, the sealing test of the gas detection sensor is ensured.
It facilitates the fixing and disassembly of the testing box, ensures smooth connection between external pipelines and gas pipes, avoids gas leakage, and improves testing efficiency.
Smart Images

Figure CN223783814U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to coal gas tank technical field, specifically is a kind of coal gas tank tightness detection device. BACKGROUND
[0002] Coal gas tank, also called liquefied petroleum gas cylinder, is a kind of container for storing liquefied petroleum gas, and needs to be sealed after production to ensure that the coal gas tank can be stable and airtight. According to the patent document with the name of "sealing detection device based on gas storage tank" and the authorized announcement number CN217687704U, it includes a gas storage tank, a detection box is fixedly connected to the upper side of the right end of the gas storage tank, a first motor is fixedly connected to the inner lower end of the detection box, a reciprocating screw rod is fixedly connected to the main shaft end of the first motor, a sliding block is slidably connected to the outer right end of the reciprocating screw rod, a sliding frame is slidably connected to the inner right lower end of the detection box, a gas detection sensor is slidably connected to the inner side of the sliding frame, fixed blocks are fixedly connected to the front and rear sides of the right end of the detection box, a rotating shaft is rotatably connected to the inner side of the fixed block, and a cover plate is fixedly connected to the inner side of the rotating shaft. But there are still the following defects:
[0003] The detection box is fixed on the gas outlet of the tank body, which makes it difficult to connect the external pipeline with the gas outlet of the tank body, thereby affecting the use of the tank body. UTILITY MODEL CONTENTS
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a coal gas tank tightness detection device, which effectively solves the problem that the external pipeline is not easy to connect with the gas outlet of the tank body.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a coal gas tank tightness detection device, comprising a tank body, a gas pipe is arranged on the top of the tank body, and a detection mechanism is arranged on the outer side of the gas pipe.
[0006] The detection mechanism comprises a detection box located on the outer side of the gas pipe, one end of the gas pipe extends into the detection box, a box door is hingedly connected to the outer side of the detection box, an installation plate is fixedly installed on the inner bottom wall of the detection box, a gas detection sensor is installed on the top of the installation plate, two side plates are fixedly connected to the outer side of the detection box, a front annular mounting bracket is arranged on the outer side of the tank body, two positioning columns are fixedly connected to the outer side of the front annular mounting bracket, and the two side plates are respectively sleeved on the outer sides of the two positioning columns.
[0007] Preferably, the outer side of the front annular mounting bracket is provided with two positioning rings, the two positioning rings are respectively fixedly sleeved on the outer sides of the two positioning columns, and the side of the two side plates close to the front annular mounting bracket abuts against the two positioning rings.
[0008] Preferably, the outer side of the tank body is provided with a rear annular mounting frame, the rear annular mounting frame and the front annular mounting frame are matched with each other, and the rear annular mounting frame and the front annular mounting frame are fixed through a plurality of bolts.
[0009] Preferably, the outer side of the rear annular mounting frame is fixedly connected with a fixed plate, two guide columns are fixedly and symmetrically connected between the fixed plate and the rear annular mounting frame, the outer sides of the two guide columns are movably sleeved with limit plates, limit cylinders are fixedly connected on the two limit plates, the two limit cylinders are respectively sleeved on the outer sides of the two positioning columns, and the two limit cylinders respectively abut against the two side plates.
[0010] Preferably, the outer side of the fixed plate is rotatably connected with a screw rod, one end of the screw rod away from the fixed plate is fixedly connected with a rotating disc, and U-shaped plates are threadedly sleeved on the outer side of the screw rod, the two limit plates are fixedly connected with the two U-shaped plates.
[0011] Preferably, the outer side of the gas pipe is fixedly sleeved with an outer ring, the side close to the detection box of the outer ring is fixedly connected with a sealing ring, the outer side of the detection box is fixedly connected with a connecting pipe, and the connecting pipe is sleeved on the outer side of the gas pipe and matched with the sealing ring.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1. Through the cooperation between the rear annular mounting frame, the front annular mounting frame, the positioning column, the positioning ring and the side plate, the detection box can be sleeved on the outer side of the gas pipe, and through the cooperation between the rotating disc, the screw rod, the U-shaped plate, the limit plate, the guide column and the limit cylinder, the detection box can be fixed, and then the sealing detection can be carried out through the gas detection sensor, and vice versa, the detection box can be disassembled from the gas pipe, so that the external pipeline can be connected with the gas pipe.
[0014] 2. Through the cooperation between the connecting pipe, the sealing ring and the outer ring, the gas leakage can be avoided. SUMMARY
[0015] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model and do not constitute a limitation on the utility model.
[0016] In the drawings:
[0017] Figure 1 It is a structure schematic view of the utility model coal gas tank sealing detection device;
[0018] Figure 2 It is a structure schematic view of the utility model detection mechanism;
[0019] Figure 3 It is a structure schematic view of the utility model side plate and limit plate disassembly;
[0020] Figure 4 It is the section structure schematic view of the detection box of the utility model.
[0021] In the drawing: 1, tank body; 2, detection mechanism; 201, detection box; 202, side plate; 203, front annular mounting bracket; 204, positioning column; 205, limiting plate; 206, guide column; 207, U-shaped plate; 208, turntable; 209, screw rod; 2010, fixed plate; 2011, rear annular mounting bracket; 2012, limiting cylinder; 2013, positioning ring; 2014, connecting pipe; 2015, outer ring; 2016, sealing ring; 2017, mounting plate; 2018, box door; 2019, gas detection sensor; 3, gas pipe. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Embodiment one, by Figure 1 The utility model relates to a kind of coal gas tank sealing detection devices, including tank body 1, the top of tank body 1 is equipped with gas pipe 3, the outside of gas pipe 3 is equipped with detection mechanism 2.
[0024] Specifically, by Figures 2-4The detection mechanism 2 comprises a detection box 201 located outside the air pipe 3, one end of the air pipe 3 extends into the detection box 201, the outer side of the detection box 201 is hinged with a box door 2018, the inner bottom wall of the detection box 201 is fixedly installed with a mounting plate 2017, the top of the mounting plate 2017 is installed with a gas detection sensor 2019, the box door 2018 is arranged, so that the gas detection sensor 2019 is installed on the top of the mounting plate 2017, the outer side of the detection box 201 is fixedly connected with two side plates 202 symmetrically, the outer side of the front annular mounting frame 203 is fixedly connected with two positioning columns 204 symmetrically, the two side plates 202 are respectively sleeved on the outer sides of the two positioning columns 204, the outer side of the front annular mounting frame 203 is provided with two positioning rings 2013, the two positioning rings 2013 are respectively fixedly sleeved on the outer sides of the two positioning columns 204, one side of the two side plates 202 close to the front annular mounting frame 203 abuts against the two positioning rings 2013, the outer side of the tank body 1 is provided with a rear annular mounting frame 2011, the rear annular mounting frame 2011 and the front annular mounting frame 203 are mutually attached, and the rear annular mounting frame 2011 and the front annular mounting frame 203 are fixed through a plurality of bolts, the outer side of the rear annular mounting frame 2011 is fixedly connected with a fixed plate 2010, two guide columns 206 are fixedly connected between the fixed plate 2010 and the rear annular mounting frame 2011 symmetrically, the outer sides of the two guide columns 206 are movably sleeved with limit plates 205, the two limit plates 205 are fixedly connected with limit cylinders 2012, the two limit cylinders 2012 are respectively sleeved on the outer sides of the two positioning columns 204, and the two limit cylinders 2012 respectively abut against the two side plates 202, the outer side of the fixed plate 2010 is rotatably connected with a screw rod 209, one end of the screw rod 209 away from the fixed plate 2010 is fixedly connected with a rotating disc 208, the outer side of the screw rod 209 is threadedly sleeved with a U-shaped plate 207, the two limit plates 205 are fixedly connected with the two U-shaped plates 207;
[0025] In use, the front annular mounting bracket 203 and the rear annular mounting bracket 2011 are fixed to appropriate positions on the outside of the tank body 1 using multiple bolts. Then, the detection box 201 is fitted onto the outside of the air pipe 3, so that the two side plates 202 are respectively fitted onto the outside of the two positioning posts 204 until the two side plates 202 abut against the two positioning rings 2013. Then, the turntable 208 is rotated, driving the screw 209 to rotate. Through the U-shaped plate 207, the two limiting plates 205 are driven to move along the two guide posts 206 respectively. The two limiting cylinders 2012 slide and move to fit on the outside of the two positioning posts 204 respectively until the two limiting cylinders 2012 abut against the two side plates 202 respectively, thereby fixing the detection box 201. The sealing performance can be detected by the gas detection sensor 2019. When the two limiting cylinders 2012 are disengaged from the outside of the two positioning posts 204 respectively, the fixing of the detection box 201 can be released, thereby allowing the detection box 201 to be disassembled from the gas pipe 3, and finally the connection between the external pipeline and the gas pipe 3 can be achieved.
[0026] Specifically, by Figure 4 As shown, an outer ring 2015 is fixedly sleeved on the outside of the trachea 3, and a sealing ring 2016 is fixedly connected to the side of the outer ring 2015 near the detection box 201. A connecting pipe 2014 is fixedly connected to the outside of the detection box 201, and the connecting pipe 2014 is sleeved on the outside of the trachea 3 and fits against the sealing ring 2016.
[0027] In use, when the detection box 201 is placed on the outside of the air tube 3, the connecting tube 2014 is placed on the outside of the air tube 3 until the connecting tube 2014 abuts against the sealing ring 2016, thereby achieving a seal between the connecting tube 2014 and the air tube 3 and preventing gas leakage.
Claims
1. A coal gas tank tightness detection device, comprising a tank body (1), characterized in that: The top of the tank body (1) is provided with an air pipe (3), and the outer side of the air pipe (3) is provided with a detection mechanism (2); The detection mechanism (2) comprises a detection box (201) located outside the air pipe (3), one end of the air pipe (3) extends into the detection box (201), the outer side of the detection box (201) is hingedly connected with a box door (2018), the inner bottom wall of the detection box (201) is fixedly connected with a mounting plate (2017), the top of the mounting plate (2017) is provided with a gas detection sensor (2019), the outer side of the detection box (201) is fixedly connected with two side plates (202) in a symmetrical manner, the outer side of the tank body (1) is provided with a front annular mounting rack (203), the outer side of the front annular mounting rack (203) is fixedly connected with two positioning columns (204) in a symmetrical manner, and the two side plates (202) are respectively sleeved on the outer sides of the two positioning columns (204).
2. The coal gas tank tightness detection device according to claim 1, characterized in that: The outer side of the front annular mounting rack (203) is provided with two positioning rings (2013), the two positioning rings (2013) are respectively fixedly sleeved on the outer sides of the two positioning columns (204), and the side of the two side plates (202) close to the front annular mounting rack (203) is in abutment with the two positioning rings (2013).
3. The coal gas tank tightness detection device according to claim 1, characterized in that: The outer side of the tank body (1) is provided with a rear annular mounting rack (2011), the rear annular mounting rack (2011) and the front annular mounting rack (203) are mutually attached, and the rear annular mounting rack (2011) and the front annular mounting rack (203) are fixed by a plurality of bolts.
4. The device for detecting the tightness of a gas tank according to claim 3, characterized in that: The outer side of the rear annular mounting rack (2011) is fixedly connected with a fixed plate (2010), two guide columns (206) are fixedly connected between the fixed plate (2010) and the rear annular mounting rack (2011) in a symmetrical manner, the outer sides of the two guide columns (206) are movably sleeved with limit plates (205), the two limit plates (205) are fixedly connected with limit cylinders (2012), the two limit cylinders (2012) are respectively sleeved on the outer sides of the two positioning columns (204), and the two limit cylinders (2012) are respectively in abutment with the two side plates (202).
5. The apparatus for detecting the tightness of a coal gas tank according to claim 4, wherein: The outer side of the fixed plate (2010) is rotatably connected with a screw rod (209), one end of the screw rod (209) away from the fixed plate (2010) is fixedly connected with a rotating disc (208), the outer side of the screw rod (209) is threadedly sleeved with a U-shaped plate (207), and the two limit plates (205) are fixedly connected with the two U-shaped plates (207).
6. The coal gas tank tightness detection device according to claim 1, characterized in that: The outer side of the air pipe (3) is fixedly sleeved with an outer ring (2015), one side of the outer ring (2015) close to the detection box (201) is fixedly connected with a sealing ring (2016), the outer side of the detection box (201) is fixedly connected with a connecting pipe (2014), and the connecting pipe (2014) is sleeved on the outer side of the air pipe (3) and attached with the sealing ring (2016).
Citation Information
Patent Citations
Sealing performance detection device based on gas storage tank
CN217687704U