Gas tank detection connecting device

Abstract

The utility model discloses a gas tank detecting and connecting device, which belongs to the technical field of connecting fittings and comprises a main body, one end of the main body is hermetically communicated with a gas tank communicating piece detachably connected with a gas tank outlet, the other end of the main body is hermetically communicated with a switch valve detachably connected with a detector, and the main body is further provided with a movable locking and separating assembly. The movable locking and separating assembly corresponds to the gas tank communicating piece. The gas tank communicating piece of the structure can be effectively connected with the gas tank outlet in a detachable mode so as to avoid the loosening problem when the gas tank communicating piece and the gas tank outlet are connected, in addition, the detector can be a gas component detector, an air pressure detector and the like, that is, the switch valve can be connected with different detectors in a detachable mode, and the reliability is high. According to the gas tank connecting device, a user can detect gas components, the remaining amount and the like in the gas tank according to use requirements, so that the use flexibility and universality of the connecting device are improved, any gas leakage problem does not occur when the whole connecting device is used, and the use stability and safety of the connecting device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of connection accessories, in particular to a gas tank detection connection device. Background Art

[0002] The utility model with Chinese patent number CN96200403.0 discloses a gas tank capacity detection device, the utility model with Chinese patent number CN201020614640.9 discloses a new type of gas tank, and the utility model with Chinese patent number CN201721494665.8 discloses a gas tank capable of monitoring the amount of gas. The above-mentioned prior arts all record a structure capable of detecting the remaining amount of gas inside the gas tank, but are limited to the detection of the remaining amount of gas and cannot detect the gas composition in the gas tank, resulting in users having to choose other accessories to complete the operation, and having poor versatility. In addition, since the gas in the gas tank is flammable and explosive, the sealing problem must be considered when detecting and sampling the gas in the gas tank.

[0003] Therefore, further improvement is necessary. Utility Model Content

[0004] The utility model aims to provide a gas tank detection connection device to overcome the deficiencies in the prior art.

[0005] A gas tank detection connection device designed for this purpose includes a main body, one end of the main body is sealed and connected to a gas tank connecting piece that is detachably connected to an outlet of the gas tank, and the other end of the main body is sealed and connected to a switch valve that is detachably connected to a detector. A movable locking assembly is also provided on the main body, and the movable locking assembly corresponds to the gas tank connecting piece.

[0006] The main body is provided with an air passage running through from front to back, the gas tank connecting piece and one end of the air passage are provided with a first seal, and the two are sealed and connected through the first seal, the switch valve and the other end of the air passage are provided with a second seal, and the two are sealed and connected through the second seal.

[0007] An intermediate connecting piece is provided between the switch valve and the air passage, and the intermediate connecting piece is respectively connected to the switch valve and the air passage through threads, snaps, or fasteners for disassembly and assembly. The gas tank connecting piece is connected to the air passage through threads, snaps, or fasteners for disassembly and assembly.

[0008] The second sealing member is arranged between the intermediate connecting member and the air passage, and a third sealing member is further arranged between the switch valve and the intermediate connecting member, and the two are sealed and communicated with each other through the third sealing member.

[0009] The gas tank connecting piece is provided with a fourth sealing piece, and is sealed and detachably connected to the gas tank outlet through the fourth sealing piece. The switch valve and the detector are detachably connected through threads, snaps, or fasteners.

[0010] The switch valve includes a valve body, a valve core, and a valve core driving component. One end of the valve body is sealed and connected to the main body, and the other end is detachably connected to the detector. The valve core is arranged on the valve body, and the valve core driving component is rotatably arranged on the valve body, and the valve core is driven and connected when rotating to realize the conduction or closing of the valve body.

[0011] The valve body is also provided with a rotation positioning portion, and the valve core driving member is provided with a rotation positioning matching portion, and the rotation positioning matching portion is used to position and match with the rotation positioning portion during rotation.

[0012] The movable locking assembly includes a locking member, an elastic member, and a locking driving member. The locking driving member is movably arranged on the main body and is drivingly connected to the locking member when moving. The elastic member is elastically connected to the locking member. The locking member is elastically movable on the main body through the cooperation of the elastic member and the locking driving member, and is close to or away from the gas tank connecting member when moving.

[0013] A connecting cavity is extended from the side of the main body, one end of the connecting cavity is closed and the other end is open, one end of the locking member extends into the connecting cavity through the open end of the connecting cavity, the elastic member is located in the connecting cavity, one end of the elastic member elastically acts on the connecting cavity, and the other end elastically acts on the locking member, the other end of the locking member extends out of the connecting cavity and is bent to have a crimping portion, the crimping portion is located in front of the gas tank connecting piece and is provided with an anti-slip notch, the locking drive member is swingably arranged on the side of the main body, and drives the locking member to retract and extend on the connecting cavity when swinging.

[0014] A linear guide groove is provided on the side of the connecting cavity, and a swinging member and a transfer arm are also provided on the side of the main body. One end of the swinging member is swingably provided on the side of the main body, and the other end is detachably connected to the locking drive member through a thread, a snap, or a fastener. One end of the transfer arm is rotationally driven connected to the middle part of the swinging member, and the other end is rotationally driven connected to the end of the locking member extending into the connecting cavity. The driving connection between the transfer arm and the locking member is guided to slide on the linear guide groove.

[0015] The utility model improves the above structure, and seals the two ends of the gas tank connecting piece and the switch valve to connect the main body respectively, so as to ensure the sealing cooperation between the gas tank connecting piece, the switch valve and the main body. At the same time, a movable locking component is arranged on the main body. By utilizing the mutual correspondence between the movable locking component and the gas tank connecting piece, the gas tank connecting piece can be effectively disassembled and connected with the gas tank outlet port to avoid the problem of looseness when the two are connected. In addition, the detector can be a gas composition detector, an air pressure detector, etc., that is, the switch valve can be disassembled and connected with different detectors, so that the user can detect the gas composition, residual amount, etc. in the gas tank according to the use requirements, thereby improving the use flexibility and versatility of the connecting device. Moreover, due to the sealing cooperation between the gas tank connecting piece, the switch valve and the main body, and the anti-detachment connection between the gas tank connecting piece and the gas tank outlet port, the entire connecting device will not have any gas leakage problems when in use, thereby improving the use stability and safety of the connecting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the assembly structure of an embodiment of the utility model.

[0017] Figure 2 This is a schematic diagram of the assembly structure from another perspective of an embodiment of the utility model. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1 , Figure 2 The gas tank detection connection device comprises a main body 1, one end of which is sealed and connected to a gas tank connecting piece 2 which is detachably connected to an outlet of the gas tank, and the other end of which is sealed and connected to a switch valve 3 which is detachably connected to a detector. A movable locking assembly is also provided on the main body 1, and the movable locking assembly corresponds to the gas tank connecting piece 2.

[0021] In this embodiment, the gas tank connecting piece 2 and the switch valve 3 are sealed and connected to the two ends of the main body 1, thereby ensuring the sealing cooperation between the gas tank connecting piece 2, the switch valve 3 and the main body 1. At the same time, a movable locking component is provided on the main body 1. By utilizing the mutual correspondence between the movable locking component and the gas tank connecting piece 2, the gas tank connecting piece 2 can be effectively disassembled and connected to the gas tank outlet to avoid the problem of the two being loose when connected.

[0022] In addition, the detector can be a gas composition detector, a gas pressure detector, etc., that is, the switch valve 3 can be disassembled and connected with different detectors, so that the user can detect the gas composition, remaining amount, etc. in the gas tank according to usage requirements, thereby improving the flexibility and versatility of the connection device.

[0023] Moreover, due to the sealing cooperation between the gas tank connecting piece 2, the switch valve 3 and the main body 1, and the anti-detachment connection between the gas tank connecting piece 2 and the gas tank outlet, the entire connecting device will not have any gas leakage problems when in use, thereby improving the use stability and safety of the connecting device.

[0024] The main body 1 is provided with an air passage running through the front and back, the gas tank connecting piece 2 and one end of the air passage are provided with a first seal, and the two are sealed and connected through the first seal, the switch valve 3 and the other end of the air passage are provided with a second seal, and the two are sealed and connected through the second seal.

[0025] In this embodiment, the gas tank connecting piece 2, the gas passage, and the switch valve 3 are arranged on the same axis, so that the gas in the gas tank can flow in a straight line, thereby improving the detection speed and the accuracy of the results.

[0026] An intermediate connector 4 is provided between the switch valve 3 and the air passage. The intermediate connector 4 is respectively connected to the switch valve 3 and the air passage through threads, snaps, or fasteners. The intermediate connector 4 is used as an intermediate adapter to effectively improve the assembly stability between the switch valve 3 and the air passage.

[0027] The gas tank connecting piece 2 is connected to the gas passage through threads, buckles, or fasteners.

[0028] The second sealing member is arranged between the intermediate connecting member 4 and the air passage, and a third sealing member is also arranged between the switch valve 3 and the intermediate connecting member 4, and the two are sealed and connected through the third sealing member.

[0029] The gas tank connecting piece 2 is provided with a fourth sealing piece 5, and is sealed and detachably connected to the gas tank outlet through the fourth sealing piece 5, and the switch valve 3 and the detector are detachably connected through threads, snaps, or fasteners.

[0030] In this embodiment, the intermediate connecting piece 4 is a threaded piece, and the inner wall of the gas passage and one end of the switch valve 3 are respectively provided with threaded portions. The two ends of the intermediate connecting piece 4 are respectively threadedly connected with the inner wall of the gas passage and one end of the switch valve 3. The gas tank connecting piece 2 extends into the gas passage, and the two are connected by fasteners. The other end of the switch valve 3 is also provided with a threaded portion, and is threadedly connected with different detectors through the threaded portion. In addition, sealing members are provided between the gas tank connecting piece 2 and the gas passage, between the gas passage and the intermediate connecting piece 4, and between the intermediate connecting piece 4 and the switch valve 3, which can improve the connection sealing between the above components. In addition, the gas tank connecting piece 2 is also sealed and connected to the gas tank outlet by a fourth sealing member 5 to ensure that there will be no leakage of gas coming out of the gas tank.

[0031] The switch valve 3 includes a valve body, a valve core, and a valve core driving component 6. One end of the valve body is sealed and connected to the main body 1, and the other end is detachably connected to the detector. The valve core is arranged on the valve body. The valve core driving component 6 is rotatably arranged on the valve body, and the valve core is driven and connected when rotating to realize the conduction or closing of the valve body.

[0032] The valve body is also provided with a rotation positioning portion, and the valve core driving member 6 is provided with a rotation positioning matching portion 7, and the rotation positioning matching portion 7 is positioned and matched with the rotation positioning portion during rotation.

[0033] In this embodiment, two rotational positioning parts are provided, namely a first rotational positioning part 16 and a second rotational positioning part 17. The first rotational positioning part 16 and the second rotational positioning part 17 are arranged at intervals on the valve body. When the valve core driving member 6 rotates, it is respectively positioned and matched with the first rotational positioning part 16 and the second rotational positioning part 17 through the rotational positioning matching part 7, so that the valve core forms two positions of open positioning and closed positioning, thereby realizing the conduction and closing of the valve body.

[0034] The movable locking assembly includes a locking member 8, an elastic member 9, and a locking driving member 10. The locking driving member 10 is movably arranged on the main body 1 and is driven and connected to the locking member 8 when it is movable. The elastic member 9 is elastically connected to the locking member 8. The locking member 8 is elastically movable on the main body 1 through the cooperation of the elastic member 9 and the locking driving member 10, and is close to or away from the gas tank connecting member 2 when it is movable.

[0035] A connecting cavity is extended from the side of the main body 1, one end of the connecting cavity is closed and the other end is open, one end of the locking member 8 extends into the connecting cavity through the open end of the connecting cavity, and the elastic member 9 is located in the connecting cavity, one end of which elastically acts on the connecting cavity, and the other end elastically acts on the locking member 8. The other end of the locking member 8 extends out of the connecting cavity and is bent to have a crimping portion 11, the crimping portion 11 is located in front of the gas tank connecting piece 2, and is provided with an anti-slip notch 12, and the locking drive member 10 is swingably arranged on the side of the main body 1, and drives the locking member 8 to retract and extend on the connecting cavity when swinging.

[0036] A linear guide groove 13 is provided on the side of the connecting cavity, and a swinging member 14 and a transfer arm 15 are also provided on the side of the main body 1. One end of the swinging member 14 is swingably provided on the side of the main body 1, and the other end is connected to the locking drive member 10 by a thread, a snap, or a fastener for disassembly and assembly. One end of the transfer arm 15 is rotationally driven connected to the middle part of the swinging member 14, and the other end is rotationally driven connected to the end of the locking member 8 extending into the connecting cavity. The driving connection between the transfer arm 15 and the locking member 8 is guided and slid on the linear guide groove 13.

[0037] In this embodiment, when the lock-off driving member 10 swings, the swinging member 14 will be driven to swing together. When the swinging member 14 swings, it drives the transfer arm 15 to drive the lock-off member 8 to slide linearly along the linear guide groove 13. At this time, the crimping portion 11 is close to the gas tank connecting member 2 or away from the gas tank connecting member 2. When the crimping portion 11 is close to the gas tank connecting member 2, the anti-slip notch 12 will cooperate with the gas tank anti-slip, and the gas tank connecting member 2 will be connected to the gas tank outlet. When the crimping portion 11 is away from the gas tank connecting member 2, the anti-slip notch 12 will be separated from the gas tank, and the gas tank connecting member 2 will be removed from the gas tank outlet. The provision of the elastic member 9 can facilitate the lock-off member 8 to be away from the gas tank connecting member 2 to be reset, and at the same time, it can also make the lock-off member 8 elastically close to the gas tank connecting member 2, so as to avoid the rigid activity of the lock-off member 8 causing damage to the gas tank connecting member 2 and the gas tank outlet. The provision of the linear guide groove 13 can ensure that the lock-off member 8 slides linearly, further improving the stability of the connection device.

[0038] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas tank detection connection device, comprising a main body (1), characterized in that: One end of the main body (1) is sealedly connected to a gas tank connecting piece (2) that is detachably connected to the gas tank outlet, and the other end is sealedly connected to a switch valve (3) that is detachably connected to the detector. The main body (1) is also provided with a movable locking assembly that corresponds to the gas tank connecting piece (2).

2. The gas tank detection connection device according to claim 1, characterized in that: The main body (1) is provided with a gas passage extending from front to back, the gas tank connecting piece (2) and one end of the gas passage are provided with a first sealing piece, and the two are sealed and connected via the first sealing piece, and the switch valve (3) and the other end of the gas passage are provided with a second sealing piece, and the two are sealed and connected via the second sealing piece.

3. The gas tank detection connection device according to claim 2, characterized in that: An intermediate connecting piece (4) is provided between the switch valve (3) and the gas passage, and the intermediate connecting piece (4) is detachably connected to the switch valve (3) and the gas passage respectively via threads, buckles, or fasteners, and the gas tank connecting piece (2) is detachably connected to the gas passage via threads, buckles, or fasteners.

4. The gas tank detection connection device according to claim 3, characterized in that: The second sealing member is arranged between the intermediate connecting member (4) and the air passage, and a third sealing member is also arranged between the switch valve (3) and the intermediate connecting member (4), and the two are sealed and connected via the third sealing member.

5. The gas tank detection connection device according to claim 1, characterized in that: The gas tank connecting piece (2) is provided with a fourth sealing piece (5), and is sealed and detachably connected to the gas tank outlet through the fourth sealing piece (5), and the switch valve (3) and the detector are detachably connected through threads, buckles, or fasteners.

6. The gas tank detection connection device according to claim 1, characterized in that: The switch valve (3) comprises a valve body, a valve core, and a valve core driving member (6); one end of the valve body is sealed and connected to the main body (1), and the other end is detachably connected to the detector; the valve core is arranged on the valve body; the valve core driving member (6) is rotatably arranged on the valve body, and when rotating, the valve core drives the connection to realize the conduction or closing of the valve body.

7. The gas tank detection connection device according to claim 6, characterized in that: The valve body is also provided with a rotational positioning portion, and the valve core driving member (6) is provided with a rotational positioning matching portion (7), and during rotation, the rotational positioning matching portion (7) is used to position and match with the rotational positioning portion.

8. The gas tank detection connection device according to any one of claims 1 to 7, characterized in that: The movable locking assembly comprises a locking member (8), an elastic member (9), and a locking driving member (10); the locking driving member (10) is movably arranged on the main body (1) and is drivingly connected to the locking member (8) when movable; the elastic member (9) is elastically connected to the locking member (8); the locking member (8) is elastically movable on the main body (1) through the cooperation of the elastic member (9) and the locking driving member (10), and approaches or moves away from the gas tank connecting member (2) when movable.

9. The gas tank detection connection device according to claim 8, characterized in that: A connecting cavity is extended from the side of the main body (1), one end of the connecting cavity is closed and the other end is open, one end of the locking member (8) extends into the connecting cavity through the open end of the connecting cavity, the elastic member (9) is located in the connecting cavity, one end of the elastic member (9) acts elastically on the connecting cavity, and the other end acts elastically on the locking member (8), the other end of the locking member (8) extends out of the connecting cavity and is bent to form a crimping portion (11), the crimping portion (11) is located in front of the gas tank connecting member (2) and is provided with an anti-slip notch (12), the locking drive member (10) is swingably arranged on the side of the main body (1), and drives the locking member (8) to extend and retract on the connecting cavity when swinging.

10. The gas tank detection connection device according to claim 9, characterized in that: A linear guide groove (13) is provided on the side of the connecting cavity, and a swinging member (14) and a transfer arm (15) are also provided on the side of the main body (1). One end of the swinging member (14) is swingably provided on the side of the main body (1), and the other end is detachably connected to the locking drive member (10) via a thread, a buckle, or a fastener. One end of the transfer arm (15) is rotatably connected to the middle of the swinging member (14), and the other end is rotatably connected to the end of the locking member (8) extending into the connecting cavity. The driving connection between the transfer arm (15) and the locking member (8) is guided and slidable on the linear guide groove (13).

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