Ppb-level vehicle-mounted high-precision fuel gas detector

Abstract

The utility model discloses a ppb-level vehicle-mounted high-precision gas detector which comprises a mounting plate, a mounting hole is formed in the mounting plate, a fixed seat is fixedly connected to the top of the mounting plate, a detector body is slidably sleeved with the fixed seat, two symmetrically distributed positioning blocks are fixedly connected to the bottom of the detector body, and the two positioning blocks are fixedly connected to the top of the mounting plate. The positioning block is in sliding connection with the fixing seat, the outer side of the detector body is fixedly connected with a clamping block, and the clamping block is in clamping connection with the fixing seat. According to the utility model, the detector body is designed to detect fuel gas, the installation and fixation of the whole structure can be realized through the cooperation of the installation plate and the installation hole and the use of the bolts, and when the bolts are installed and fixed, the bolts can be extruded and locked through the extrusion pad, so that the bolts can be limited to a certain extent; the bolt can be prevented from loosening, so that the mounting stability of the whole structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a ppb-level vehicle-mounted high-precision gas detector. Background Art

[0002] The ppb-level vehicle-mounted high-precision gas detector is an instrument specially used to detect the gas concentration in vehicle exhaust. It has very high detection accuracy and can detect gas concentrations of one part per billion (ppb level).

[0003] The utility model patent with the patent authorization announcement number CN211348212U discloses an electric vehicle-mounted gas detector that is easy to install, including a gas detector body and a fixing plate, the fixing plate is symmetrically provided with mounting plates, the mounting plate is fixedly connected to a connecting plate on the side wall close to the fixing plate, and the connecting plate is inserted in the fixing plate.

[0004] In the above prior art, it is inconvenient to disassemble the gas detector during use, and it is not convenient to inspect and maintain the detector. Therefore, improvement is needed. Utility Model Content

[0005] The purpose of the utility model is to provide a ppb-level vehicle-mounted high-precision gas detector, which solves the problem of inconvenient disassembly of the detector.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ppb-level vehicle-mounted high-precision gas detector, comprising a mounting plate, a mounting hole is opened inside the mounting plate, a fixing seat is fixedly connected to the top of the mounting plate, a detector body is slidably sleeved inside the fixing seat, two symmetrically distributed positioning blocks are fixedly connected to the bottom of the detector body, the positioning blocks are slidably connected to the fixing seat, a clamping block is fixedly connected to the outside of the detector body, the clamping block is clamped with the fixing seat, a push block is slidably sleeved inside the mounting plate, a locking mechanism is provided on the mounting plate, and a connecting mechanism is provided on the detector body.

[0007] Preferably, the number of the mounting holes is four, and the four mounting holes are evenly distributed inside the mounting plate. By designing the mounting holes, the overall structure can be installed.

[0008] Preferably, a positioning groove is provided inside the fixing seat, and a positioning block is slidably sleeved inside the positioning groove. The positioning groove is designed so that the positioning block can slide inside the positioning groove.

[0009] Preferably, the locking mechanism comprises a guide rod, the outer side of the push block is fixedly connected with the guide rod, the guide rod is slidably connected to the mounting plate, the outer side of the guide rod is fixedly connected with a guide block, the guide block is slidably connected to the mounting plate, a first spring is arranged inside the mounting plate, the end of the push block away from the guide rod is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly connected with a compression pad, and the compression pad is slidably connected to the mounting plate. By designing the locking mechanism, it is convenient to lock the bolt.

[0010] Preferably, one end of the first spring is fixedly connected to the mounting plate, and the other end of the first spring is fixedly connected to the guide block. By designing the first spring, the force of the first spring can act on the guide block.

[0011] Preferably, the connection mechanism includes a groove, the inside of the detector body is provided with a groove, a ball is movably sleeved inside the groove, a sliding seat is movably sleeved outside the ball, the sliding seat is slidably connected to the detector body, the sliding seat is fixedly connected to the fixed seat, a slider is slidably sleeved inside the sliding seat, the slider is movably connected to the ball, and a second spring is arranged inside the sliding seat. By designing the connection mechanism, it is convenient to disassemble the detector body.

[0012] Preferably, one end of the second spring is fixedly connected to one of the sliders, and the other end of the second spring is fixedly connected to the other slider. The second spring is designed so that the force of the second spring can act on the slider.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can detect gas by designing the function of the detector body, and the installation and fixation of the overall structure can be achieved through the function of the mounting plate and the mounting holes, in conjunction with the use of bolts. When installing and fixing with bolts, the bolts can be squeezed and locked by the function of the extrusion pad, which can limit the bolts to a certain extent and prevent them from loosening, thereby improving the installation stability of the overall structure.

[0015] 2. The utility model can limit the horizontal direction of the detector body by designing the connection between the positioning block and the positioning groove, and can limit the vertical direction of the detector body by connecting the ball and the groove, so as to realize the connection and fixation between the detector body and the fixing seat. When the overall structure is installed and used through the mounting plate, the detector body can be easily disassembled separately without the help of other work, which is convenient for the inspection and maintenance of the detector body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0018] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0019] Figure 4 For this utility model Figure 1 Front cross-sectional view of the fixing seat structure.

[0020] In the figure: 1. mounting plate; 2. mounting hole; 3. fixing seat; 4. detector body; 5. positioning block; 6. positioning groove; 7. push block; 8. locking mechanism; 9. connecting mechanism; 10. clamping block; 81. guide rod; 82. guide block; 83. first spring; 84. connecting rod; 85. extrusion pad; 91. groove; 92. ball; 93. slide seat; 94. slide block; 95. second spring. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 The ppb-level vehicle-mounted high-precision gas detector comprises a mounting plate 1, a mounting hole 2 is provided inside the mounting plate 1, and the number of the mounting holes 2 is four. The four mounting holes 2 are evenly distributed inside the mounting plate 1. By designing the mounting holes 2, the overall structure can be installed. A fixing seat 3 is fixedly connected to the top of the mounting plate 1. A detector body 4 is slidably sleeved inside the fixing seat 3. Two symmetrically distributed positioning blocks 5 are fixedly connected to the bottom of the detector body 4. The positioning block 5 is slidably connected to the fixing seat 3. A positioning groove 6 is provided inside the fixing seat 3. The positioning block 5 is slidably sleeved inside the positioning groove 6. By designing the positioning groove 6, the positioning block 5 can slide in the positioning groove 6. A card block 10 is fixedly connected to the outside of the detector body 4. The card block 10 is clamped with the fixing seat 3. A push block 7 is slidably sleeved inside the mounting plate 1. A locking mechanism 8 is provided on the mounting plate 1, and a connecting mechanism 9 is provided on the detector body 4.

[0023] See also Figure 1 , Figure 2 , Figure 3The locking mechanism 8 includes a guide rod 81, the outer side of the push block 7 is fixedly connected with the guide rod 81, the guide rod 81 is slidably connected to the mounting plate 1, the outer side of the guide rod 81 is fixedly connected with a guide block 82, the guide block 82 is slidably connected to the mounting plate 1, and a first spring 83 is arranged inside the mounting plate 1, one end of the first spring 83 is fixedly connected to the mounting plate 1, and the other end of the first spring 83 is fixedly connected to the guide block 82. By designing the first spring 83, the force of the first spring 83 can act on the guide block 82, and the end of the push block 7 away from the guide rod 81 is fixedly connected with a connecting rod 84, and the outer side of the connecting rod 84 is fixedly connected with an extrusion pad 85, and the extrusion pad 85 is slidably connected to the mounting plate 1. By designing the locking mechanism 8, it is convenient to lock the bolt.

[0024] See also Figure 1 , Figure 4 The connecting mechanism 9 includes a groove 91. The interior of the detector body 4 is provided with a groove 91. A ball 92 is movably sleeved inside the groove 91. A slide seat 93 is movably sleeved outside the ball 92. The slide seat 93 is slidably connected to the detector body 4. The slide seat 93 is fixedly connected to the fixed seat 3. A slider 94 is slidably sleeved inside the slide seat 93. The slider 94 is movably connected to the ball 92. A second spring 95 is arranged inside the slide seat 93. One end of the second spring 95 is fixedly connected to one of the sliders 94, and the other end of the second spring 95 is fixedly connected to the other slider 94. By designing the second spring 95, the force of the second spring 95 can act on the slider 94. By designing the connecting mechanism 9, the disassembly of the detector body 4 is convenient.

[0025] The specific implementation process of the utility model is as follows: when in use, the gas can be detected through the action of the detector body 4, and the installation and fixation of the overall structure can be achieved through the action of the mounting plate 1 and the mounting hole 2, in conjunction with the use of bolts. When the bolts are fixed, first push the push block 7 horizontally, the push block 7 will drive the guide rod 81 and the guide block 82 to move horizontally, the guide block 82 will squeeze the first spring 83, and at the same time the push block 7 drives the connecting rod 84 and the extrusion pad 85 to move horizontally, then the bolt is inserted into the mounting hole 2 for installation, and then the push block 7 is loosened. Under the elastic action of the first spring 83, an outward thrust will be given to the guide block 82, so that the extrusion pad 85 can press the bolt tightly, squeeze and lock the bolt, limit the bolt to a certain extent, and prevent the bolt from loosening, so as to improve the installation stability of the overall structure.

[0026] When it is necessary to disassemble the detector body 4, pull up the detector body 4 with force, and the detector body 4 drives the block 10 to move, so that the block 10 can slide in the fixed seat 3. At the same time, the detector body 4 will drive the slide seat 93 to move, and the slide seat 93 will drive the ball 92 to move. The ball 92 will slide along the arc surface of the groove 91, and the groove 91 will squeeze the ball 92 so that the ball 92 moves horizontally. The ball 92 will drive the slider 94 to move horizontally, and the slider 94 will squeeze the second spring 95, so that the ball 92 can be separated from the groove 91. Then the slider 93 can be taken out from the inside of the fixed seat 3, and the positioning block 5 can be pulled out from the inside of the positioning groove 6, so that the detector body 4 can be disassembled. When the overall structure is installed and used through the mounting plate 1, the detector body 4 can be conveniently disassembled separately, and no other work is required during disassembly, which is convenient for the inspection and maintenance of the detector body 4.

[0027] 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 ppb-level vehicle-mounted high-precision gas detector, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a mounting hole (2) inside, the top of the mounting plate (1) is fixedly connected with a fixing seat (3), the inside of the fixing seat (3) is slidably sleeved with a detector body (4), the bottom of the detector body (4) is fixedly connected with two symmetrically distributed positioning blocks (5), the positioning blocks (5) are slidably connected to the fixing seat (3), the outer side of the detector body (4) is fixedly connected with a clamping block (10), the clamping block (10) is clamped with the fixing seat (3), the inside of the mounting plate (1) is slidably sleeved with a push block (7), the mounting plate (1) is provided with a locking mechanism (8), and the detector body (4) is provided with a connecting mechanism (9).

2. The ppb-level vehicle-mounted high-precision gas detector according to claim 1 is characterized in that: The number of the mounting holes (2) is four, and the four mounting holes (2) are evenly distributed inside the mounting plate (1).

3. The ppb-level vehicle-mounted high-precision gas detector according to claim 1 is characterized in that: A positioning groove (6) is provided inside the fixing seat (3), and a positioning block (5) is slidably sleeved inside the positioning groove (6).

4. The ppb-level vehicle-mounted high-precision gas detector according to claim 1 is characterized in that: The locking mechanism (8) comprises a guide rod (81), the outer side of the push block (7) is fixedly connected with the guide rod (81), the guide rod (81) is slidably connected to the mounting plate (1), the outer side of the guide rod (81) is fixedly connected with a guide block (82), the guide block (82) is slidably connected to the mounting plate (1), a first spring (83) is arranged inside the mounting plate (1), one end of the push block (7) away from the guide rod (81) is fixedly connected with a connecting rod (84), the outer side of the connecting rod (84) is fixedly connected with a pressing pad (85), and the pressing pad (85) is slidably connected to the mounting plate (1).

5. The ppb-level vehicle-mounted high-precision gas detector according to claim 4 is characterized in that: One end of the first spring (83) is fixedly connected to the mounting plate (1), and the other end of the first spring (83) is fixedly connected to the guide block (82).

6. The ppb-level vehicle-mounted high-precision gas detector according to claim 1 is characterized in that: The connecting mechanism (9) comprises a groove (91), the interior of the detector body (4) is provided with the groove (91), the interior of the groove (91) is movably sleeved with a ball bearing (92), the exterior of the ball bearing (92) is movably sleeved with a sliding seat (93), the sliding seat (93) is slidably connected to the detector body (4), the sliding seat (93) is fixedly connected to the fixed seat (3), the interior of the sliding seat (93) is slidably sleeved with a slider (94), the slider (94) is movably connected to the ball bearing (92), and a second spring (95) is arranged inside the sliding seat (93).

7. The ppb-level vehicle-mounted high-precision gas detector according to claim 6 is characterized in that: One end of the second spring (95) is fixedly connected to one of the sliders (94), and the other end of the second spring (95) is fixedly connected to the other slider (94).

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