Portable gas analyzer

Abstract

The utility model belongs to the field of gas analyzers, and particularly relates to a portable gas analyzer which comprises a shell, a display is arranged at the left end of the shell, a control button is arranged on the lower portion of the left end of the shell, two symmetrically-distributed protective doors are hinged to the left end of the shell, a sealing strip is fixedly connected between the two protective doors, and a gas inlet is formed in the lower portion of the shell. The two sealing strips make contact with each other, a handle is fixedly connected to the left end of the protective door, and an auxiliary limiting mechanism is arranged on the shell. According to the portable gas analyzer, structures such as the straps, the winding roller and the limiting disc are additionally arranged on the shell, when the gas analyzer needs to be carried, the length of the straps can be adjusted through rotation of the winding roller, and the gas analyzer can be carried by hands or carried on the back according to the specific length after the length of the straps is adjusted, so that the gas analyzer is more convenient to carry; and the length of the strap can be limited through a limiting disc, so that the device is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of gas analyzers, in particular to a portable gas analyzer. Background Art

[0002] According to the patent authorization announcement number: CN220171002U, a portable gas analyzer is proposed. The utility model relates to the technical field of gas analyzers, and specifically to a portable gas analyzer, including an analyzer body, on which two rotating shafts are connected to rotate symmetrically about its vertical center plane. In the utility model, the rotating rod and the two worms on its outer wall are driven to rotate by turning the handle, so that the two worms can drive the worm wheel at the bottom to rotate, so that the worm wheel can drive the rotating shells at both ends to flip, so that the rotating shells at both ends of the analyzer can be flipped to the bottom of the analyzer, and the connection blocks at the ends of the support columns are provided with pads that can contact the ground, so that it is convenient to form a support frame through two sets of relative support columns to position and support the analyzer body. After use, the handle can be turned to drive the rotating shaft to rotate in the opposite direction, so as to drive the two rotating shells to flip to the top of the analyzer, so that the analyzer can be easily carried through two lifting rods.

[0003] However, the gas analyzer in the prior art can only be carried by hand, and it is not convenient to carry the analyzer when it is not convenient to carry it by hand. In addition, during the carrying process, the control buttons, switches, displays and other parts that are more easily damaged are exposed to the outside, which is easy to cause damage. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a portable gas analyzer, which solves the problem that the gas analyzer has a single carrying method and lacks protection for structures such as a display.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable gas analyzer, comprising a shell, a display is provided at the left end of the shell, a control button is provided at the lower left end of the shell, two symmetrically distributed protective doors are hinged at the left end of the shell, a sealing strip is fixedly connected between the two protective doors, the two sealing strips are in contact with each other, a handle is fixedly connected to the left end of the protective door, an auxiliary limiting mechanism is provided on the shell, a roller frame is fixedly connected to the upper right end of the shell, a portable mechanism is provided on the roller frame, a fixed seat is fixedly connected to the left upper end of the shell, a shoulder strap is fixedly connected to the upper end of the fixed seat, a rubber sleeve is slidably connected to the outer side of the shoulder strap, and the rubber sleeve can reduce the pressure on the hands or shoulders.

[0006] Preferably, a guide roller is rotatably connected inside the roller frame, the guide roller is in contact with the shoulder strap, and the shoulder strap is in contact with the roller frame, and the guide roller can guide the movement of the shoulder strap.

[0007] Preferably, the auxiliary limiting mechanism includes a fixed block, and two fixed blocks symmetrically distributed front and back are fixedly connected to the left upper end of the shell, and a limiting frame is hinged on the outer side of each of the fixed blocks, and the limiting frame is fixedly connected to a limiting cover at one end away from the protective door, and a spring is arranged inside the limiting cover, and the upper end of the protective door is fixedly connected to the limiting block, and the limiting cover can drive the limiting frame to deflect.

[0008] Preferably, one end of the spring 1 is fixedly connected to the limit cover, and the other end of the spring 1 is fixedly connected to the housing, and the spring 1 can drive the limit cover to automatically reset through elastic force.

[0009] Preferably, a slope is provided on one side of the limit block close to the housing, the limit block is engaged with the limit frame, and the limit frame can limit the protective door through the limit block.

[0010] Preferably, the portable mechanism includes a winding roller, the winding roller is rotatably connected to the inside of the roller frame, the shoulder strap is wrapped around the outside of the winding roller, a spring is provided on the outside of the front connecting shaft of the winding roller, and a limiting disk is fixedly connected to the outside of the back connecting shaft of the winding roller, and a plurality of evenly distributed limiting grooves are provided on the outside of the limiting disk, the roller frame is slidably connected to a connecting nail, the upper end of the connecting nail is fixedly connected to a positioning frame, a spring 2 is provided on the outside of the connecting nail, the positioning frame is slidably connected to the roller frame, the positioning frame is slidably connected to the limiting groove, and the positioning frame can limit the limiting disk through the limiting groove.

[0011] Preferably, one end of the mainspring is fixedly connected to the connecting shaft of the winding roller, and the other end of the mainspring is fixedly connected to the roller frame, so that the mainspring can store energy during the rotation of the winding roller.

[0012] Preferably, one end of the second spring is fixedly connected to the connecting pin, and the other end of the second spring is fixedly connected to the roller frame, and the second spring can drive the connecting pin to automatically reset through elastic force.

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

[0014] 1. The utility model adds structures such as a shoulder strap, a winding roller and a limit plate to the outer shell. When the gas analyzer needs to be carried, the length of the shoulder strap can be adjusted by rotating the winding roller. After the length of the shoulder strap is adjusted, it can be carried by hand or on the back according to the specific length, so that the analyzer is more convenient to carry, and the length of the shoulder strap can be limited by the limit plate, making the device more convenient to use.

[0015] 2. The utility model adds structures such as a protective door, a limit frame and a fixed block to the outer shell. During the carrying process, the protective door can be limited by the clamping connection between the limit frame and the limit block. The protective door cover is on the outside of the display and the control buttons, thereby avoiding the problem of damage to the display and the control buttons during the carrying process. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0018] Figure 3 The overall structure of the utility model is three-dimensional Figure 3 ;

[0019] Figure 4 For the utility model Figure 1 The expanded view of the protective door;

[0020] Figure 5 For the utility model Figure 1 A right side sectional view of

[0021] Figure 6 For the utility model Figure 2 A magnified view of the structure of part A;

[0022] Figure 7 For the utility model Figure 5 Enlarged view of the structure of part B.

[0023] In the figure: 1. shell; 2. display; 3. control button; 4. protective door; 5. sealing strip; 6. handle; 7. auxiliary limit mechanism; 8. roller frame; 9. portable mechanism; 10. fixed seat; 11. shoulder strap; 12. rubber sleeve; 13. guide roller; 71. fixed block; 72. limit frame; 73. limit cover; 74. spring one; 75. limit block; 91. winding roller; 92. spring; 93. limit disk; 94. limit slot; 95. connecting nail; 96. positioning frame; 97. spring two. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A portable gas analyzer comprises a shell 1, a display 2 is arranged at the left end of the shell 1, a control button 3 is arranged at the lower left end of the shell 1, two symmetrically distributed protective doors 4 are hinged at the left end of the shell 1, a sealing strip 5 is fixedly connected between the two protective doors 4, the two sealing strips 5 are in contact with each other, a handle 6 is fixedly connected to the left end of the protective door 4, an auxiliary limiting mechanism 7 is arranged on the shell 1, a roller frame 8 is fixedly connected to the upper right end of the shell 1, a portable mechanism 9 is arranged on the roller frame 8, a fixed seat 10 is fixedly connected to the left upper end of the shell 1, a shoulder strap 11 is fixedly connected to the upper end of the fixed seat 10, a rubber sleeve 12 is slidably connected to the outer side of the shoulder strap 11, and the rubber sleeve 12 can reduce the pressure feeling of the hand or shoulder, and a guide roller 13 is rotatably connected to the inner side of the roller frame 8, the guide roller 13 is in contact with the shoulder strap 11, the shoulder strap 11 is in contact with the roller frame 8, and the guide roller 13 can guide the movement of the shoulder strap 11.

[0026] See also Figure 1 , Figure 2 , Figure 6 The auxiliary limiting mechanism 7 includes a fixed block 71, and two fixed blocks 71 symmetrically distributed front and rear are fixedly connected to the left upper end of the shell 1. The outer side of each fixed block 71 is hinged to a limiting frame 72, and the end of the limiting frame 72 away from the protective door 4 is fixedly connected to the limiting cover 73, and a spring 74 is provided inside the limiting cover 73. The upper end of the protective door 4 is fixedly connected to a limiting block 75, and the limiting cover 73 can drive the limiting frame 72 to deflect, one end of the spring 74 is fixedly connected to the limiting cover 73, and the other end of the spring 74 is fixedly connected to the shell 1. The spring 74 can drive the limiting cover 73 to automatically reset through elastic force, and the limiting block 75 is provided with an inclined surface on the side close to the shell 1, and the limiting block 75 is clamped with the limiting frame 72, and the limiting frame 72 can limit the protective door 4 through the limiting block 75.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6The portable mechanism 9 includes a winding roller 91, the winding roller 91 is rotatably connected inside the roller frame 8, the shoulder strap 11 is wound around the outside of the winding roller 91, a spring 92 is arranged on the outside of the front connecting shaft of the winding roller 91, a limit plate 93 is fixedly connected to the outside of the back connecting shaft of the winding roller 91, and a plurality of evenly distributed limit grooves 94 are provided on the outside of the limit plate 93, a connecting pin 95 is slidably connected inside the roller frame 8, a positioning frame 96 is fixedly connected to the upper end of the connecting pin 95, a spring 97 is arranged on the outside of the connecting pin 95, and the positioning frame 96 is provided with a spring 97. 6 is slidably connected to the roller frame 8, the positioning frame 96 is slidably connected to the limiting groove 94, the positioning frame 96 can limit the limiting disk 93 through the limiting groove 94, one end of the spring 92 is fixedly connected to the connecting shaft of the winding roller 91, the other end of the spring 92 is fixedly connected to the roller frame 8, the spring 92 can store energy during the rotation of the winding roller 91, one end of the spring 97 is fixedly connected to the connecting pin 95, the other end of the spring 97 is fixedly connected to the roller frame 8, and the spring 97 can drive the connecting pin 95 to automatically reset through elastic force.

[0028] The specific implementation process of the utility model is as follows: when carrying, pull the positioning frame 96 upward, the positioning frame 96 compresses the spring 2 97 through the connecting nail 95, and when the positioning frame 96 is separated from the current limiting groove 94, the limiting of the limiting disk 93 can be released, and then pull the shoulder strap 11, the shoulder strap 11 can drive the winding roller 91 to rotate after being pulled, and the winding roller 91 can store energy for the spring 92 during the rotation process, when the length of the shoulder strap 11 is appropriate, release the positioning frame 96, and the spring 2 97 is reset. The spring 2 97 can drive the positioning frame 96 to slide to the inside of the adjusted limiting groove 94 through elastic force, and limit the current length of the shoulder strap 11, so that the analyzer can be more convenient to carry;

[0029] During the carrying process, the protective door 4 can cover the outside of the display 2 to protect the display 2. When necessary, the limit frame 72 is flipped over, and the limit frame 72 compresses the spring 1 74 through the limit cover 73. When the limit frame 72 is separated from the limit block 75, the limit on the protective door 4 can be released, and then the protective door 4 can be opened to operate the analyzer.

[0030] 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 portable gas analyzer, comprising a housing (1), characterized in that: The left end of the shell (1) is provided with a display (2), the lower part of the left end of the shell (1) is provided with a control button (3), the left end of the shell (1) is hinged with two symmetrically distributed protective doors (4), the two protective doors (4) are fixedly connected with a sealing strip (5), the two sealing strips (5) are in contact with each other, the left end of the protective door (4) is fixedly connected with a handle (6), the shell (1) is provided with an auxiliary limiting mechanism (7), the upper part of the right end of the shell (1) is fixedly connected with a roller frame (8), the roller frame (8) is provided with a portable mechanism (9), the upper left part of the shell (1) is fixedly connected with a fixing seat (10), the upper end of the fixing seat (10) is fixedly connected with a shoulder strap (11), and the outer side of the shoulder strap (11) is slidably connected with a rubber sleeve (12).

2. A portable gas analyzer according to claim 1, characterized in that: The roller frame (8) is rotatably connected to a guide roller (13) inside, the guide roller (13) is in contact with the shoulder belt (11), and the shoulder belt (11) is in contact with the roller frame (8).

3. A portable gas analyzer according to claim 1, characterized in that: The auxiliary limiting mechanism (7) comprises a fixed block (71), and two fixed blocks (71) symmetrically distributed front and rear are fixedly connected to the left upper end of the housing (1), and a limiting frame (72) is hingedly connected to the outer side of each of the fixed blocks (71). The limiting frame (72) is fixedly connected to a limiting cover (73) at one end away from the protective door (4), and a spring (74) is arranged inside the limiting cover (73). The upper end of the protective door (4) is fixedly connected to the limiting block (75).

4. A portable gas analyzer according to claim 3, characterized in that: One end of the spring one (74) is fixedly connected to the limiting cover (73), and the other end of the spring one (74) is fixedly connected to the housing (1).

5. A portable gas analyzer according to claim 3, characterized in that: A slope is provided on one side of the limit block (75) close to the housing (1), and the limit block (75) is snap-connected with the limit frame (72).

6. A portable gas analyzer according to claim 1, characterized in that: The portable mechanism (9) comprises a winding roller (91), the winding roller (91) is rotatably connected inside the roller frame (8), the shoulder strap (11) is wound around the outside of the winding roller (91), a spring (92) is arranged on the outside of the front connecting shaft of the winding roller (91), a limiting disk (93) is fixedly connected to the outside of the back connecting shaft of the winding roller (91), and a plurality of evenly distributed limiting grooves (94) are provided on the outside of the limiting disk (93), a connecting pin (95) is slidably connected inside the roller frame (8), a positioning frame (96) is fixedly connected to the upper end of the connecting pin (95), a spring (97) is arranged on the outside of the connecting pin (95), the positioning frame (96) is slidably connected to the roller frame (8), and the positioning frame (96) is slidably connected to the limiting groove (94).

7. A portable gas analyzer according to claim 6, characterized in that: One end of the spring (92) is fixedly connected to the connecting shaft of the winding roller (91), and the other end of the spring (92) is fixedly connected to the roller frame (8).

8. A portable gas analyzer according to claim 6, characterized in that: One end of the second spring (97) is fixedly connected to the connecting pin (95), and the other end of the second spring (97) is fixedly connected to the roller frame (8).

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