Quick connecting mechanism of expiration tester

Abstract

The utility model relates to the technical field of gas inspection equipment, and discloses an expiration tester quick connecting mechanism which comprises a main body assembly, an expiration tester, a connecting piece and a gas collecting bag, the connecting piece is located on one side of the expiration tester, and the gas collecting bag is arranged on one side of the connecting piece; the connecting assembly is arranged in the connecting piece and comprises a first sealing piece, a second sealing piece and a positioning piece, the first sealing piece is located in the connecting piece, the second sealing piece is arranged on one side of the first sealing piece, and the positioning piece is located on the first sealing piece. The beneficial effects of the utility model are that the gas collection bag can be sealed through the arrangement of the connecting assembly, external air is prevented from entering the gas collection bag, and meanwhile, the gas collection bag can be positioned after connection, and the gas collection bag is prevented from falling off in the detection process.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas inspection equipment technical field, especially a kind of quick connecting mechanism of breath test instrument. BACKGROUND

[0002] The existing breath test instrument mainly detects whether human body is infected with helicobacter pylori using isotope abundance variation principle, these devices usually have the advantages of high precision, rapid detection, simple operation and are widely used in digestive department and other related departments of medical institutions, the existing breath test instrument is generally tested by personnel blowing air into gas collection bag when in use, then connecting gas collection bag and breath test instrument, in this process, gas in air can enter gas collection bag, thereby causing interference to detection result. UTILITY MODEL CONTENT

[0003] The utility model is to solve the problem that the existing gas collection bag and breath test instrument are easy to cause gas in air to enter gas collection bag when in use, thereby causing interference to detection result.

[0004] Technical scheme: the utility model relates to a kind of quick connecting mechanism of breath test instrument, it includes, main component, including breath test instrument, connecting piece and gas collection bag, the connecting piece is located in the side of the breath test instrument, the gas collection bag is set in the side of the connecting piece;Connecting assembly is set in the connecting piece, including, first sealing piece, second sealing piece and positioning piece, the first sealing piece is located in the connecting piece, the second sealing piece is set in the side of the first sealing piece, and the positioning piece is located on the first sealing piece.

[0005] Further, the connecting piece of the connecting mechanism includes extraction pipe and connecting pipe, the extraction pipe is fixed in the breath test instrument, the connecting pipe is slid on the surface of the extraction pipe, and the gas collection bag is fixed to the end of the connecting pipe.

[0006] Further, the connecting piece of the connecting mechanism further includes limiting block, the limiting block is fixed to the surface of the extraction pipe, a limiting slot is formed in the connecting pipe, and the limiting block is slid in the limiting slot.

[0007] Further, the first sealing piece of the connecting mechanism includes sealing ring and sealing block, the sealing ring is fixed in the connecting pipe, the sealing block is slid in the sealing ring, a ventilation groove is formed in the sealing ring, and a communication groove is formed in the sealing block.

[0008] Further, the first sealing piece of the connecting mechanism further includes spring, pressing rod and rubber sleeve, the both ends of the spring are fixed to the inner wall of the sealing block and the inner wall of the sealing ring respectively, the pressing rod is fixed to the top of the sealing block, and the rubber sleeve is fixed to the surface of the connecting pipe.

[0009] Further, the second sealing piece of the connecting mechanism comprises a support seat and a rotating block, the support seat is fixed on one side of the sealing ring, and the rotating block is hinged in the support seat.

[0010] Further, the second sealing piece of the connecting mechanism further comprises a support ring and a sealing pad, the support ring is fixed on one side of the rotating block, and the sealing pad is fixed in the support ring.

[0011] Further, the second sealing piece of the connecting mechanism further comprises elastic sheets, the two ends of the elastic sheets are respectively fixed on one side of the sealing ring and one side of the support ring.

[0012] Further, the positioning piece of the connecting mechanism comprises a push rod, the push rod is fixed on the top of the sealing block, and a bevel is formed in the end of the push rod.

[0013] Further, the positioning piece of the connecting mechanism further comprises a plug pipe and a positioning strip, the plug pipe is fixed on one side of the extraction pipe, the positioning strip is fixed on one side of the plug pipe, and a positioning groove is formed in the sealing block.

[0014] Beneficial effects: compared with the prior art, the significant advantages of the connecting mechanism are that the connecting mechanism can seal the gas collecting bag by arranging the connecting assembly, prevent external air from entering the gas collecting bag, and position the gas collecting bag after connection, so that the gas collecting bag is prevented from falling off during the detection process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure diagram of the quick connecting mechanism of the exhalation test instrument;

[0016] Figure 2 It is a structure diagram of the quick connecting mechanism of the exhalation test instrument; Figure 1 It is an enlarged view of the local structure at A in the middle;

[0017] Figure 3 It is a sectional structure diagram of the limiting block of the quick connecting mechanism of the exhalation test instrument;

[0018] Figure 4 It is a structure diagram of the quick connecting mechanism of the exhalation test instrument; Figure 3 It is an enlarged view of the local structure at B in the middle;

[0019] Figure 5 It is a structure diagram of the quick connecting mechanism of the exhalation test instrument; Figure 3 It is an enlarged view of the local structure at C in the middle;

[0020] Figure 6 It is a structure diagram of the support ring and the elastic sheet of the quick connecting mechanism of the exhalation test instrument;

[0021] Figure 7This is a structural diagram of the positioning groove for the quick-connect mechanism of a breathalyzer. Detailed Implementation

[0022] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings.

[0023] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0024] Example 1

[0025] Reference Figures 1-7 This is the first embodiment of the present utility model. This embodiment provides a quick connection mechanism for a breath test instrument. The quick connection mechanism for a breath test instrument includes a main component 100, including a breath test instrument 101, a connector 102, and a gas collection bag 103. The connector 102 is located on one side of the breath test instrument 101, and the gas collection bag 103 is disposed on one side of the connector 102.

[0026] The breath test apparatus 101 is existing technology and is used to detect gases. The connector 102 is used to transport the gas in the gas collection bag 103 to the breath test apparatus 101.

[0027] The connecting component 200 is disposed within the connector 102 and includes a first seal 201, a second seal 202, and a positioning member 203. The first seal 201 is located within the connector 102, the second seal 202 is disposed on one side of the first seal 201, and the positioning member 203 is located on the first seal 201.

[0028] The first sealing element 201 is used to seal the connector 102 to prevent external gas from entering the gas collection bag 103. The second sealing element 202 seals the connector 102 to prevent gas from escaping from the gas collection bag 103.

[0029] Specifically, the connector 102 includes an extraction tube 102a and a connecting tube 102b. The extraction tube 102a is fixed inside the breath tester 101, the connecting tube 102b slides on the surface of the extraction tube 102a, and the gas collection bag 103 is fixed to the end of the connecting tube 102b.

[0030] The extraction tube 102a is used to draw gas from the connecting tube 102b into the breath tester 101. The connecting tube 102b and the gas collection bag 103 can be connected by threads, so that the connecting assembly 200 can be reused after cleaning and disinfection.

[0031] Specifically, the connector 102 also includes a limiting block 102c, which is fixed to the surface of the extraction tube 102a. A limiting groove U is formed inside the connecting tube 102b, and the limiting block 102c slides within the limiting groove U.

[0032] The limiting block 102c is used to limit the connecting pipe 102b and prevent the connecting pipe 102b from rotating relative to the extraction pipe 102a.

[0033] Example 2

[0034] Reference Figures 1-7 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0035] Specifically, the first sealing element 201 includes a sealing ring 201a and a sealing block 201b. The sealing ring 201a is fixed inside the connecting pipe 102b, and the sealing block 201b slides inside the sealing ring 201a. A venting groove V is provided inside the sealing ring 201a, and a connecting groove W is provided inside the sealing block 201b.

[0036] The sealing ring 201a is used to seal the connecting pipe 102b, and the sealing block 201b is used to seal the venting groove V, so that external gas cannot enter the gas collection bag 103 through the connecting pipe 102b. When the venting groove V and the connecting groove W are connected, the gas collection bag 103 can be connected to the connecting pipe 102b.

[0037] Specifically, the first sealing element 201 also includes a spring 201c, a pressure rod 201d, and a rubber sleeve 201e. The two ends of the spring 201c are fixed to the inner wall of the sealing block 201b and the inner wall of the sealing ring 201a, respectively. The pressure rod 201d is fixed to the top of the sealing block 201b, and the rubber sleeve 201e is fixed to the surface of the connecting pipe 102b.

[0038] Spring 201c is in a compressed state to support sealing block 201b, pressure rod 201d is used to compress sealing block 201b, and rubber sleeve 201e is used to protect pressure rod 201d. By pressing rubber sleeve 201e, pressure rod 201d can be compressed, thereby pushing sealing block 201b, thus connecting vent groove V and connecting groove W.

[0039] Specifically, the second sealing element 202 includes a support 202a and a rotating block 202b. The support 202a is fixed to one side of the sealing ring 201a, and the rotating block 202b is hinged inside the support 202a.

[0040] The support base 202a is used to support the rotating block 202b, so that the rotating block 202b can rotate.

[0041] Specifically, the second seal 202 also includes a support ring 202c and a sealing gasket 202d. The support ring 202c is fixed to one side of the rotating block 202b, and the sealing gasket 202d is fixed inside the support ring 202c.

[0042] The support ring 202c is used to fix and support the sealing gasket 202d. The sealing gasket 202d is used to seal the venting groove V to prevent gas in the gas collection bag 103 from entering the connecting pipe 102b.

[0043] Specifically, the second seal 202 also includes a spring 202e, with its two ends fixed to one side of the sealing ring 201a and the other side of the support ring 202c, respectively.

[0044] The spring 202e has a certain elasticity and can press the support ring 202c, so that the support ring 202c drives the sealing gasket 202d to stick tightly to one side of the sealing ring 201a.

[0045] Specifically, the positioning component 203 includes a lever 203a, which is fixed to the top of the sealing block 201b, and the end of the lever 203a has an inclined surface S.

[0046] The inclined surface S of the lever 203a is used to move the support ring 202c, so that the support ring 202c drives the sealing gasket 202d away from the vent groove V.

[0047] Specifically, the positioning component 203 also includes an insertion tube 203b and a positioning strip 203c. The insertion tube 203b is fixed to one side of the extraction tube 102a, and the positioning strip 203c is fixed to one side of the insertion tube 203b. A positioning groove X is provided in the sealing block 201b.

[0048] The cylindrical part of the insertion tube 203b can be inserted into the ventilation groove V, and the flat part of the insertion tube 203b can be inserted into the connecting groove W. By making the positioning strip 203c snap into the positioning groove X, the connecting tube 102b can be positioned, thereby preventing the gas collection bag 103 from falling off during the testing process.

[0049] When collecting gas, the tester holds the gas collection bag 103 and blows air into the connecting pipe 102b. While blowing air, the rubber sleeve 201e is pressed. Pressing the rubber sleeve 201e compresses the pressure rod 201d, which in turn pushes the sealing block 201b, thus connecting the ventilation groove V and the connecting groove W. This allows the blown gas to enter the gas collection bag 103. Once the gas collection bag 103 has collected enough gas, the pressure on the pressure rod 201d can be released. At this time, the sealing block 201b seals the sealing ring 201a, preventing outside air from entering the gas collection bag 103.

[0050] When it is necessary to detect the gas inside the gas collection bag 103, the connecting tube 102b can be sleeved on the surface of the extraction tube 102a, so that the limiting block 102c slides in the limiting groove U. When the end of the insertion tube 203b is inserted into the ventilation groove V, the rubber sleeve 201e is pressed, so that the connecting groove W moves to one side of the insertion tube 203b. At this time, the connecting tube 102b is pushed, so that the insertion tube 203b is inserted into the connecting groove W. The pressure on the rubber sleeve 201e is released. At this time, the positioning strip 203c will be locked in the positioning groove X, thereby positioning the connecting tube 102b and preventing the gas collection bag 103 from falling off during the detection process.

Claims

1. A quick-connect mechanism for a breath test apparatus, characterized in that: include, The main component (100) includes a breath test apparatus (101), a connector (102), and a gas collection bag (103). The connector (102) is located on one side of the breath test apparatus (101), and the gas collection bag (103) is disposed on one side of the connector (102). A connecting assembly (200) is disposed within the connecting member (102) and includes a first seal (201), a second seal (202), and a positioning member (203). The first seal (201) is located within the connecting member (102), the second seal (202) is disposed on one side of the first seal (201), and the positioning member (203) is located on the first seal (201).

2. The quick-connect mechanism for the breath test apparatus as described in claim 1, characterized in that: The connector (102) includes an extraction tube (102a) and a connecting tube (102b). The extraction tube (102a) is fixed inside the breath test instrument (101), the connecting tube (102b) slides on the surface of the extraction tube (102a), and the gas collection bag (103) is fixed to the end of the connecting tube (102b).

3. The quick connection mechanism for the breath test apparatus as described in claim 2, characterized in that: The connector (102) further includes a limiting block (102c), which is fixed to the surface of the extraction tube (102a). A limiting groove (U) is formed in the connecting tube (102b), and the limiting block (102c) slides in the limiting groove (U).

4. The quick connection mechanism for the breath test apparatus as described in claim 3, characterized in that: The first sealing element (201) includes a sealing ring (201a) and a sealing block (201b). The sealing ring (201a) is fixed inside the connecting pipe (102b), and the sealing block (201b) slides inside the sealing ring (201a). A vent groove (V) is provided inside the sealing ring (201a), and a connecting groove (W) is provided inside the sealing block (201b).

5. The quick-connect mechanism for the breath test apparatus as described in claim 4, characterized in that: The first sealing element (201) further includes a spring (201c), a pressure rod (201d), and a rubber sleeve (201e). The two ends of the spring (201c) are respectively fixed to the inner wall of the sealing block (201b) and the inner wall of the sealing ring (201a). The pressure rod (201d) is fixed to the top of the sealing block (201b), and the rubber sleeve (201e) is fixed to the surface of the connecting pipe (102b).

6. The quick-connect mechanism for the breath test apparatus as described in claim 5, characterized in that: The second sealing element (202) includes a support base (202a) and a rotating block (202b). The support base (202a) is fixed to one side of the sealing ring (201a), and the rotating block (202b) is hinged inside the support base (202a).

7. The quick connection mechanism for the breath test apparatus as described in claim 6, characterized in that: The second sealing element (202) further includes a support ring (202c) and a sealing gasket (202d), wherein the support ring (202c) is fixed to one side of the rotating block (202b) and the sealing gasket (202d) is fixed inside the support ring (202c).

8. The quick connection mechanism for the breath test apparatus as described in claim 7, characterized in that: The second sealing element (202) further includes a spring piece (202e), the two ends of which are fixed to one side of the sealing ring (201a) and one side of the support ring (202c), respectively.

9. The quick connection mechanism for the breath test apparatus as described in claim 8, characterized in that: The positioning component (203) includes a lever (203a), which is fixed to the top of the sealing block (201b), and the end of the lever (203a) is provided with an inclined surface (S).

10. The quick-connect mechanism for the breath test apparatus as described in claim 8 or 9, characterized in that: The positioning component (203) further includes an insertion tube (203b) and a positioning strip (203c). The insertion tube (203b) is fixed to one side of the extraction tube (102a), and the positioning strip (203c) is fixed to one side of the insertion tube (203b). A positioning groove (X) is provided in the sealing block (201b).

Images