Convenient sampling device for bicycle

Abstract

The utility model relates to a convenient sampling device for a bicycle, which comprises a cap and a hollow vertical rod, the lower part of the vertical rod is longitudinally distributed and connected with a first transverse bracket and a second transverse bracket, and the first transverse bracket and the second transverse bracket are respectively provided with a fixed connecting piece fixed with the outside; a gas pipe joint connected with a sampling gas pipe is arranged at the lower part of the vertical rod, a sampling gas inlet is formed in the side surface of the upper end of the vertical rod, and a filtering unit is arranged at the sampling gas inlet; the cap covers the upper end of the vertical rod and covers the sampling air inlet; the convenient sampling device for the bicycle is mounted on a frame or a rear seat of the bicycle through the two fixed connecting pieces, one end of the sampling air pipe is connected with the air pipe connector, the other end of the sampling air pipe is connected with air monitoring equipment, assembly can be completed, on the contrary, disassembly can be conducted, the structure is compact and attractive, assembly and disassembly are easy, and maintenance is convenient; and the rainproof and dustproof effects are good.

Description

Technical Field

[0001] This utility model relates to the field of air monitoring technology, and more specifically, to a convenient sampling device for bicycles. Background Technology

[0002] Most gas monitoring devices on the market are currently designed for use in vehicles or are portable. Vehicle-mounted devices typically have air intakes designed to fit the automotive environment, and portable devices generally lack a separate sampling port. However, for more sophisticated monitoring scenarios, bicycles (both electric and non-electric) are often used as the monitoring vehicle. Vehicle sampling ports cannot be used on bicycles. Without a sampling port, the sampling height is lowered, making the sampled gas susceptible to interference from vehicle exhaust and other factors, leading to inaccurate data. Furthermore, it lacks protection against rain and dust. Therefore, there is an urgent need for a convenient sampling tool for use on bicycles. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a convenient sampling device for bicycles, addressing the aforementioned deficiencies of the prior art.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A convenient sampling device for bicycles is constructed, comprising a cap and a hollow upright. The lower part of the upright is longitudinally connected to a first transverse support and a second transverse support, both of which are equipped with fixing connectors for external fixation. The lower part of the upright is provided with an air pipe connector for connecting a sampling air pipe, and the upper side surface of the upright is provided with a sampling air inlet, at which a filter unit is provided. The cap is placed on the upper end of the upright and covers the sampling air inlet.

[0006] The present invention relates to a convenient sampling device for bicycles, wherein the lower end of the upright is provided with a first threaded hole, the air pipe connector includes a hollow seat, the upper end of the seat is provided with a hollow first stud that mates with the first threaded hole, and the inner hole of the seat is connected to the inner hole of the first stud.

[0007] The present invention describes a convenient sampling device for bicycles, wherein the second transverse support includes a transverse connecting piece, and the connecting piece is provided with a movable groove for adjusting the transverse movement of the stud; the width of the movable groove is smaller than the outer diameter of the lower end of the upright and the width of the seat.

[0008] The present invention relates to a convenient sampling device for bicycles, wherein the lower end of the seat is provided with a hollow second stud that is connected to a sampling air tube; the inner hole of the seat is connected to the inner hole of the second stud.

[0009] The present invention describes a convenient sampling device for bicycles, wherein one end of the first transverse support is provided with a longitudinal positioning piece, and one side surface of the positioning piece is provided with a positioning groove for positioning the upright; the positioning piece is detachably connected to the upright through a U-shaped piece.

[0010] The present invention describes a convenient sampling device for bicycles, wherein the upper end of the upright is provided with a second threaded hole and a screw that mates with the second threaded hole, and the upper end of the cap is provided with an opening that mates with the screw.

[0011] The present invention relates to a convenient sampling device for bicycles, wherein the filter unit is mesh-shaped and is formed on the side surface of the upper end of the upright or covers the sampling air inlet.

[0012] The convenient sampling device for bicycles described in this utility model includes a clamp as the fixing connector.

[0013] The beneficial effects of this utility model are as follows: The convenient sampling device for bicycles can be installed on the bicycle frame or rear seat by relying on two fixed connecting parts. One end of the sampling air tube is connected to the air tube connector, and the other end is connected to the air monitoring equipment to complete the assembly. Conversely, it can be disassembled. The structure is compact and beautiful, and the installation and disassembly are simple and easy to maintain. The cap is set on the upper end of the pole and covers the sampling air inlet (with a gap) for rain protection. The filter unit provides dust protection for the sampling air inlet, and the rain and dust protection effect is good. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of a convenient sampling device for bicycles according to a preferred embodiment of the present invention;

[0016] Figure 2 This is an exploded view of the cap assembly of a convenient sampling device for bicycles according to a preferred embodiment of the present invention;

[0017] Figure 3This is a partial sectional view of the installation of the second transverse bracket of the convenient sampling device for bicycles according to a preferred embodiment of the present invention;

[0018] Figure 4 This is a partial sectional view of the cap installation of a convenient sampling device for bicycles according to a preferred embodiment of the present invention;

[0019] Figure 5 This is an enlarged schematic diagram of the sampling air inlet according to another embodiment of this utility model. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, a clear and complete description will be provided below in conjunction with the technical solutions in the embodiments of this utility model. Obviously, the described embodiments are some, but not all, of the embodiments of this utility model. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] The preferred embodiment of this utility model is a convenient sampling device for bicycles, such as... Figure 1 As shown, see also Figures 2-5 The device includes a cap 1 and a hollow upright 2. The lower part of the upright 2 is longitudinally connected to a first transverse support 3 and a second transverse support 4. Both the first transverse support 3 and the second transverse support 4 are provided with fixing connectors 5 for fixing to the outside. The lower part of the upright 2 is provided with a pipe connector 6 for connecting to a sampling pipe. The upper side surface of the upright 2 is provided with a sampling air inlet 20, and a filter unit is provided at the sampling air inlet 20. The cap 1 is placed on the upper end of the upright 2 and covers the sampling air inlet 20.

[0022] The convenient sampling device for bicycles described in this application is installed on the bicycle frame or rear seat using two fixed connectors 5. One end of the sampling air tube is connected to the air tube connector 6, and the other end is connected to the air monitoring device (the sampling air tube and air monitoring device are not part of this device; they are conventional components and are only introduced here to illustrate the implementation principle of this device). Assembly can be completed in this way, and disassembly can be performed in the opposite way. The structure is compact and beautiful, and the installation, disassembly and maintenance are simple and convenient. The cap 1 is placed on the upper end of the upright 2 and covers the sampling air inlet 20 (with a gap) for rain protection. The filter unit provides dust protection for the sampling air inlet 20, and the rain and dust protection effect is good.

[0023] Preferably, the lower end of the upright 2 is provided with a first threaded hole 21, and the air pipe connector 6 includes a hollow base 60, and the upper end of the base 60 is provided with a hollow first stud 61 that mates with the first threaded hole 21; the inner hole of the base 60 is connected to the inner hole of the first stud 61, which facilitates the disassembly and assembly connection with the upright 2.

[0024] Preferably, the second transverse support 4 includes a transverse connecting piece 40, on which a movable groove 41 for adjusting the transverse movement of the stud is provided; the width of the movable groove 41 is smaller than the outer diameter of the lower end of the upright 2 and the width of the seat 60; with this structural design, the relative transverse position of the upright and the second transverse support can be adjusted. After adjustment, the position is fixed by the clamping of the seat 60 and the lower end of the upright 2, which can make it more adaptable to the assembly of bicycles;

[0025] It should be noted that the first transverse support 3 can adopt the structural form described below, or it can be designed into other structural forms, without limitation.

[0026] Preferably, the lower end of the base 60 is provided with a hollow second stud 62 that is fitted to connect to the sampling gas tube; the inner hole of the base 60 is connected to the inner hole of the second stud 62, which facilitates the connection and disassembly with the sampling gas tube.

[0027] Preferably, one end of the first transverse support 3 is provided with a longitudinal positioning piece 30, and one side surface of the positioning piece 30 is provided with a positioning groove for positioning the upright 2; the positioning piece 30 is detachably connected to the upright 2 through a U-shaped piece 31; in this way, the height position of the first transverse support 3 relative to the upright 2 and the distance between the first transverse support 3 and the second transverse support 4 can be well adjusted, thereby improving the assembly adaptability with the bicycle.

[0028] Preferably, the upper end of the upright 2 is provided with a second threaded hole 22 and a screw 23 that mates with the second threaded hole, and the upper end of the cap 1 is provided with an opening 10 for mates with the screw 23. When installing the cap 1, the screw 23 is passed through the opening 10 on the cap 1 and connected to the second threaded hole 22 at the upper end of the upright 2 to complete the assembly of the cap 1. After installation, the screw 23 will block the opening 10 and the second threaded hole 22 for waterproofing. The structure is simple, low in cost, and easy to assemble and disassemble. Of course, in order to ensure the waterproof effect, rubber screw washers can also be used for assembly. It should be noted that this screw fixing structure is only an example and is not intended to limit the scope. Other existing detachable installation structures can also be used, and there is no limitation on this.

[0029] Preferably, the filter unit is mesh-like, such as Figure 2 As shown, the filter unit is machined on the side surface of the upper end of the upright 2, that is, the mesh sampling air inlet is formed by directly making holes; of course, it is also possible to make the holes first (see the opening style). Figure 5 Then, by setting up a filter unit (such as using a filter screen for coverage), etc., this solution can be implemented and all fall within the scope of protection of this application.

[0030] Preferably, the fixing connector 5 is a clamp; other existing fixing connectors may also be used, and there is no limitation on this.

[0031] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A convenient sampling device for bicycles, characterized in that, The device includes a cap and a hollow upright. The lower part of the upright is longitudinally connected to a first transverse support and a second transverse support. Both the first transverse support and the second transverse support are equipped with fixing connectors for external fixation. The lower part of the upright is provided with a pipe connector for connecting to a sampling pipe. The upper side surface of the upright is provided with a sampling air inlet, and a filter unit is provided at the sampling air inlet. The cap is placed on the upper end of the upright and covers the sampling air inlet.

2. The convenient sampling device for bicycles according to claim 1, characterized in that, The lower end of the upright is provided with a first threaded hole, and the air pipe connector includes a hollow base body. The upper end of the base body is provided with a hollow first stud that mates with the first threaded hole; the inner hole of the base body is connected to the inner hole of the first stud.

3. The convenient sampling device for bicycles according to claim 2, characterized in that, The second transverse support includes a transverse connecting piece, on which a movable groove is provided for adjusting the transverse movement of the stud; the width of the movable groove is smaller than the outer diameter of the lower end of the upright and the width of the base.

4. The convenient sampling device for bicycles according to claim 2 or 3, characterized in that, The lower end of the base is provided with a hollow second stud that is connected to the sampling gas tube; the inner hole of the base is connected to the inner hole of the second stud.

5. The convenient sampling device for bicycles according to claim 1, characterized in that, One end of the first transverse support is provided with a longitudinal positioning piece, and one side surface of the positioning piece is provided with a positioning groove for positioning the upright; the positioning piece is detachably connected to the upright through a U-shaped piece.

6. The convenient sampling device for bicycles according to claim 1, characterized in that, The upper end of the upright is provided with a second threaded hole and a screw that mates with the second threaded hole, and the upper end of the cap is provided with an opening that mates with the screw.

7. The convenient sampling device for bicycles according to claim 1, characterized in that, The filter unit is mesh-like and is either machined onto the side surface of the upper end of the upright or covers the sampling air inlet.

8. The convenient sampling device for bicycles according to claim 1, characterized in that, The fixing connector is a clamp.

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