CN211696840U - Portable leak detector for sampling system - Google Patents

Abstract

The utility model discloses a portable leak detector for a sampling system, which relates to the technical field of sampling systems. The utility model comprises a pumping pump, a hose, a collection box, a base and a fixing assembly. One end of the hose is fixedly connected with the air inlet of the pumping pump. The hose is provided with a membrane negative pressure gauge and an on-off valve. A quick-connect joint is provided, a number of uprights are fixed on one surface of the base, a mounting plate is fixed on the top surface of the upright, the pumping pump is fixed on the mounting plate, and a battery is fixed between the base and the mounting plate. The utility model is provided with a hose to connect the on-off valve, the membrane negative pressure gauge and the pumping pump, so as to facilitate the connection and disassembly between the leak detector and the sampling system, and the hose, the on-off valve and the membrane negative pressure are facilitated by the arrangement of the collection box. The storage of the pressure gauge can be used to support the hose, the on-off valve and the membrane negative pressure gauge in the use state by providing a fixed component, which solves the problem of insufficient portability of the leak detector in the sampling system.

Description

A Portable Leak Detector for Sampling Systems

technical field

The utility model belongs to the technical field of sampling systems, in particular to a portable leak detector for sampling systems.

Background technique

Most of the existing leak detectors are a combination of a suction pump, a negative pressure gauge and an on-off valve. However, due to the volume of the suction pump and the length of the connecting pipeline itself, the leak detector will be too long and too large, which is inconvenient. Carrying and moving, however, the combination of the hose and the collection box can facilitate the carrying of the leak detector. However, during use, the hose cannot effectively support and limit the position of the on-off valve and the negative pressure gauge, which is not conducive to the user. It will affect the service life of the on-off valve and the negative pressure gauge at the same time.

Utility model content

The purpose of this utility model is to provide a portable leak detector for a sampling system. By setting a hose to connect an on-off valve, a membrane negative pressure gauge and a suction pump, the connection and disassembly between the leak detector and the sampling system are facilitated. The collection box is provided to facilitate the storage of the hose, the switch valve and the membrane negative pressure gauge, and the fixing component can be used to support the hose, the switch valve and the membrane negative pressure gauge in use, which solves the problem of sampling. The problem of insufficient portability of the leak detector of the system.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a portable leak detector for a sampling system, comprising a pumping pump and a hose, a collection box, a base and a fixing component. One end of the hose is fixedly connected with the air inlet of the pumping pump, so the The hose is provided with a membrane negative pressure gauge and an on-off valve, and one end of the hose is provided with a quick-connect joint;

A number of uprights are fixed on one surface of the base, a mounting plate is fixed on the top surface of the upright, the pumping pump is fixed on the mounting plate, and a battery is fixed between the base and the mounting plate;

A protective shell is arranged on the membrane negative pressure gauge, and a rectangular positioning frame is fixed on one side of the protective shell and one side of the valve body on the switch valve;

The fixing assembly includes a set of vertical rods, a set of the vertical rods is fixed on the mounting plate, a fixed column is fixed on the upper part between the vertical rods, and the fixed column is provided with a chute, and the sliding A sliding block is slidably fitted in the groove, a backing plate is fixed on the outer side of the sliding block, a plugging rod is fixed on the outer side of the backing plate, and the plugging rod is in clearance fit with the rectangular positioning frame;

The collection box is fixed between a set of vertical rods, and the bottom surface of the collection box is in contact with the top surface of the mounting plate.

Further, both ends of the top of the fixing column are penetrated and screwed with a set screw, a through hole is defined on the slider, and the slide block is fixedly connected to the fixing column through the through hole and the set screw.

Further, the cross-section of the slider is the same as that of the chute, and the cross-section of the chute is a convex-shaped structure, a dovetail-shaped structure, or an inverted trapezoidal structure.

Further, a sponge pad is adhered and fixed on the inner wall of the collection box, and the thickness of the sponge pad is in the range of 2-4 cm.

Further, a charging port and a power switch are provided on one side of the battery, and the pumping pump is electrically connected to the battery.

Further, an outer pipe is fixed at one end of the hose away from the quick-connect joint through a bearing, and the outer pipe is fixedly connected with the air intake pipe of the suction pump through a flange plate.

The utility model has the following beneficial effects:

The utility model is provided with a hose to connect the on-off valve, the membrane negative pressure gauge and the pumping pump, so as to facilitate the connection and disassembly between the leak detector and the sampling system, and the hose, the on-off valve and the membrane negative pressure are facilitated by the arrangement of the collection box. The storage of the pressure gauge realizes the portability of the leak detector. By providing a fixing component, it can be used to support the hose, the switch valve and the membrane negative pressure gauge in the use state, which is convenient for the user to use.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a portable leak detector for a sampling system of the present invention;

Fig. 2 is the structural representation of base;

Figure 3 is a schematic structural diagram of a hose, a membrane negative pressure gauge and an on-off valve;

Fig. 4 is the structural representation of fixed assembly and collection box;

In the accompanying drawings, the list of components represented by each number is as follows:

1- Pumping pump, 2- Hose, 3- Diaphragm negative pressure gauge, 4- On-off valve, 5- Collection box, 6- Base, 7- Fixed component, 201- Quick connector, 202- Outer tube, 301 -Protective case, 302-rectangular positioning frame, 601-post, 602-installation plate, 603-battery, 604-charging port, 605-power switch, 701-vertical pole, 702-fixing post, 703-chute, 704- Slider, 705-Backing Plate, 706-Mating Lever, 707-Set Screw.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model is a portable leak detector for a sampling system, comprising a pump 1 and a hose 2, a collection box 5, a base 6 and a fixing assembly 7, and the hose 2 One end is in fixed communication with the air inlet of the suction pump 1, the hose 2 is provided with a membrane negative pressure gauge 3 and an on-off valve 4, and one end of the hose 2 is provided with a quick-connect joint 201;

A number of uprights 601 are fixed on one surface of the base 6, a mounting plate 602 is fixed on the top surface of the uprights 601, the pumping pump 1 is fixed on the mounting plate 602, and a battery 603 is fixed between the base 6 and the mounting plate 602;

The membrane negative pressure gauge 3 is provided with a protective shell 301, and a rectangular positioning frame 302 is fixed on one side of the protective shell 301 and one side of the valve body on the switch valve 4;

The fixing assembly 7 includes a set of vertical rods 701 . A sliding block 704 is slidably fitted in the inner side, a backing plate 705 is fixed on the outer side of the sliding block 704, a plugging rod 706 is fixed on the outer side of the backing plate 705, and the plugging rod 706 is in clearance fit with the rectangular positioning frame 302;

The collection box 5 is fixed between a set of vertical rods 701 , and the bottom surface of the collection box 5 is in contact with the top surface of the mounting plate 602 .

As shown in FIG. 1 and FIG. 4 , both ends of the top of the fixing column 702 penetrate through and are threadedly connected with set screws 707 , and a through hole is opened on the slider 704 , and the slider 704 is fixed with the through hole and the set screw 707 . Post 702 is fixedly attached.

The cross section of the slider 704 is the same as the cross section of the chute 703 , and the cross section of the chute 703 is a convex-shaped structure, a dovetail structure or an inverted trapezoidal structure.

Among them, the inner wall of the collection box 5 is bonded and fixed with a sponge pad, and the thickness of the sponge pad is in the range of 2-4 cm.

As shown in FIG. 1-2 , a charging port 604 and a power switch 605 are provided on one side of the battery 603 , and the pumping pump 1 is electrically connected to the battery 603 .

As shown in FIG. 1 and FIG. 3 , one end of the hose 2 away from the quick-connect joint 201 is fixed with an outer tube 202 through a bearing, and the outer tube 202 is fixedly connected to the intake pipe of the suction pump 1 through a flange.

A specific application of this embodiment is: when it needs to be used, take out the hose 2, the on-off valve 4 and the membrane negative pressure gauge 3 from the collection box 5, and use the quick connector 201 to connect one end of the hose 2 to the test in the sampling system. The sliding block 704 slides out the plug-in rod 706 and passes through the rectangular positioning frame 302 in the process of sliding out, thereby fixing the position of the on-off valve 4 and the membrane negative pressure gauge 3, and using the set bolt 707 to fix the plug-in connection The position of the lever 706 is thus used.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A portable leak detector for a sampling system, comprising a suction pump (1) and a hose (2), and one end of the hose (2) is in fixed communication with the air inlet of the suction pump (1), The hose (2) is provided with a membrane negative pressure gauge (3) and an on-off valve (4), one end of the hose (2) is provided with a quick-connect joint (201), and is characterized in that it further comprises a collection box ( 5), the base (6) and the fixing assembly (7); A number of uprights (601) are fixed on one surface of the base (6), a mounting plate (602) is fixed on the top surface of the upright (601), and the pumping pump (1) is fixed on the mounting plate (602), A battery (603) is fixed between the base (6) and the mounting plate (602); A protective casing (301) is provided on the membrane negative pressure gauge (3), and a rectangular positioning frame (302) is fixed on one side of the protective casing (301) and one side of the valve body on the switch valve (4); The fixing assembly (7) includes a set of vertical rods (701), a set of the vertical rods (701) is fixed on the mounting plate (602), and the upper part between the vertical rods (701) of the set of vertical rods (701) is fixed with a fixed A column (702), a chute (703) is opened on the fixing column (702), a slider (704) is slidably fitted in the chute (703), and a pad is fixed on the outer side of the slider (704). a plate (705), a plug-in rod (706) is fixed on the outer side of the backing plate (705), and the plug-in rod (706) is in clearance fit with the rectangular positioning frame (302); The collection box (5) is fixed between a set of vertical rods (701), and the bottom surface of the collection box (5) is in contact with the top surface of the mounting plate (602). 2. A portable leak detector for a sampling system according to claim 1, characterized in that, both ends of the top of the fixing column (702) pass through and are threadedly connected with set screws (707), so A through hole is formed on the slider (704), and the slider (704) is fixedly connected to the fixing column (702) through the through hole and the set screw (707). 3. A portable leak detector for a sampling system according to claim 1, characterized in that the cross section of the slider (704) is the same as the cross section of the chute (703), and the chute (703) The cross section of (703) is a convex-shaped structure, a dovetail-shaped structure or an inverted trapezoidal structure. 4. A portable leak detector for a sampling system according to claim 1, characterized in that, a sponge pad is adhered and fixed on the inner wall of the collection box (5), and the thickness of the sponge pad is 2-4cm range. 5. A portable leak detector for a sampling system according to claim 1, wherein a charging port (604) and a power switch (605) are provided on one side of the battery (603), and the pumping The pressure pump (1) is electrically connected with the battery (603). 6. A portable leak detector for a sampling system according to claim 1, wherein an outer tube (202) is fixed at one end of the hose (2) away from the quick-connect joint (201) through a bearing, The outer pipe (202) is fixedly connected with the intake pipe of the suction pump (1) through a flange plate.

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