Condensation host air inlet elbow with air leakage detection structure

Abstract

The utility model discloses a condensation main machine air inlet elbow with an air leakage detection structure. The condensation main machine air inlet elbow is provided with an air inlet elbow body installed on a condensation main machine. Comprising a built-in assembly which is connected to the inner surface of the elbow body in a nested mode, a limiting strip is installed on the outer surface of the built-in assembly and slides on the inner surface of the elbow body in a limited mode, and a limiting assembly is installed on the inner wall of the built-in assembly. The condensation main machine air inlet elbow with the air leakage detection structure is provided with the built-in assembly provided with the limiting strip, the built-in assembly is stably embedded in the elbow body and is prevented from falling off or inclining, through the supporting rod arranged in a limiting and assembling mode, a rotating speed tachymeter is effectively controlled to be matched with a small fan for speed measurement, and the air leakage detection effect is effectively improved. The air inlet amount in the elbow body is effectively detected, the air speed required by a condensation main machine and the air speed of a small fan are effectively matched and used for detection, and the stability of air leakage detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air leakage detection of an air inlet elbow of a condensing main unit, in particular to an air inlet elbow of a condensing main unit provided with an air leakage detection structure. Background Art

[0002] When the air inlet elbow of the condensing host is in use, the air inlet is connected to the single core and the return air fan to form an air inlet, and air leakage at the elbow is prevented to affect the air intake effect. The air volume entering can be detected by setting up an air leakage detection, but there are still some problems when using the existing air inlet elbow of the condensing host.

[0003] In the prior art, the authorization publication (announcement) number: CN218121317U states “an air leakage detection device”, which includes: a mobile cart shell, a variable frequency fan fixedly installed inside the mobile cart shell, an electric control box installed outside the mobile cart shell and a detachable connecting pipe, the electric control box is connected to the variable frequency fan for setting the pressure value in the low-pressure container to be detected; one end of the detachable connecting pipe is detachably connected to the inlet end of the variable frequency fan or the outlet end of the variable frequency fan, and the other end is connected to the low-pressure container to be detected;

[0004] During the operation of the above-mentioned device, by selectively installing the detachable connecting pipe at the outlet or inlet of the variable frequency fan, a set of equipment can realize positive pressure and negative pressure detection and measure the leakage rate, which solves the problem that the detection equipment can only provide positive pressure leakage detection or negative pressure leakage detection. However, when in use, the air inlet elbow used in the condensing host is not convenient for real-time detection of air volume and wind speed, which makes it difficult to detect leakage when it occurs, and it is not convenient to effectively quickly disassemble and assemble the leakage detection structure. Utility Model Content

[0005] The purpose of the utility model is to provide an air inlet elbow of a condensing host provided with an air leakage detection structure, so as to solve the problem in the above-mentioned background technology that the air inlet elbow used in the condensing host is not convenient for real-time detection of air volume and wind speed, it is very difficult to detect air leakage when it occurs, and it is not convenient to quickly disassemble and assemble the air leakage detection structure effectively.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air inlet elbow of a condensing main unit provided with an air leakage detection structure, and an air inlet elbow body installed on the condensing main unit;

[0007] It includes: a built-in component, which is nested and connected to the inner surface of the elbow body, and a limit bar is installed on the outer surface of the built-in component, and the limit bar is limitedly slid on the inner surface of the elbow body, and the limit component is installed on the inner wall of the built-in component, and a support rod is nested and installed on the inner surface of the limit component;

[0008] A return spring is nested and connected to the lower side of the inner surface of the limit assembly, and a slider is slidably connected to the upper side of the inner surface of the limit assembly, and a limit block is installed on the upper side of the outer surface of the slider, and a support rod is clamped and installed on the outer surface of the limit block;

[0009] A small fan is rotatably connected to the middle section of the inner surface of the support rod, and a speed measuring gear is rotatably connected to the outer surface of the small fan, and a detection convex block is arranged on the outer surface of the speed measuring gear, and a nesting piece is installed on the outer surface of the support rod, and a speed meter is nested and installed on the inner surface of the nesting piece;

[0010] The protective cover is installed on the upper surface end of the built-in component, a sealing ring is connected between the protective cover and the elbow body, and a base is installed on the upper surface of the elbow body.

[0011] Preferably, the built-in component forms a sliding built-in structure through a limit bar and the elbow body, and the limit bar and the outer surface of the built-in component are embedded and installed, and the built-in component and the outer surface of the limit component form an integrated structure, and the limit component and the support rod form a built-in nested structure.

[0012] The above structure facilitates stable embedded assembly during use, effectively improves the stability of the built-in components, and forms effective limiting nesting for the support rods through the assembled limiting components.

[0013] Preferably, the limit assembly forms an elastic sliding structure through a reset spring and a slider, and the slider forms a limit locking structure with a support rod through a limit block, and the support rod forms a rotating structure through a small fan and a speed measuring gear, and at the same time, the support rod forms a limit nesting structure with a nested piece and a speed meter.

[0014] Through the above structure, an effective positioning engagement is formed during use to prevent the support rod from falling off, and in conjunction with the assembled small fan, speed measuring gear and speed meter, the speed meter and the protrusion of the speed measuring gear are effectively used for detection. According to the calculation of the air intake volume required when the condensing host is in use, whether there is air leakage during air intake is detected.

[0015] Preferably, the protective cover is embedded in the upper surface of the built-in component, and the protective cover forms a nested sealing structure with the elbow body through a sealing ring, while the elbow body and the base form a sliding adjustment structure.

[0016] Through the above structure, a sealing process is effectively formed during use, and the base is assembled to form a positioning sealing assembly for the protective cover.

[0017] Preferably, the upper side of the inner surface of the base is rotatably connected to a connecting rod, and the other end of the outer surface of the connecting rod is rotatably connected to a handle, and the inner surface end of the handle is rotatably connected to an extrusion rod, and at the same time, the lower side of the outer surface of the extrusion rod is positioned and rotated on the inner surface side of the base, and the inner surface of the extrusion rod is threadedly connected to an extrusion part, and a limiting part is clamped and installed on the upper side of the outer surface of the extrusion rod, and the limiting part is positioned and rotated on the inner surface of the elbow body.

[0018] The above structure facilitates stable nested assembly during use, and the position of the extrusion piece can be controlled by coordinated adjustment of the assembled connecting rod, handle and extrusion rod.

[0019] Preferably, the base forms a linkage rotation structure with the handle through a connecting rod, and the handle and the extrusion rod form a rotation structure, and the extrusion rod and the base form a positioning rotation structure, while the extrusion rod and the extrusion piece form a threaded adjustment structure, and the extrusion rod and the limiting piece form a limiting snap-fit ​​structure.

[0020] With the above structure, the sealing performance of the protective cover can be effectively controlled by the linked rotation during use.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. The condensing main unit air inlet elbow with an air leakage detection structure is provided with a built-in component for installing a limit strip, which is stably nested inside the elbow body to prevent the built-in component from falling off or tilting. The support rod provided by the limit assembly effectively controls the rotation speed meter to cooperate with the small fan for speed measurement, effectively detects the air intake volume in the elbow body, effectively matches the wind speed required by the condensing main unit with the wind speed of the small fan for detection, and improves the stability of air leakage detection;

[0023] 2. The air inlet elbow of the condensing main unit with an air leakage detection structure is provided with a protective cover, which effectively cooperates with the sealing ring to form a surface seal assembly for the built-in components to prevent air leakage during disassembly and assembly, and through the cooperation of the provided base, connecting rod, handle and extrusion rod, the extrusion part is stably controlled to form an extrusion seal on the protective cover, and cooperates with the limit part to prevent the extrusion rod from falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the elbow body of the utility model;

[0025] Figure 2 This is a schematic diagram of the three-dimensional structure of the elbow body of the utility model in a half-section view;

[0026] Figure 3 It is a partial cross-sectional three-dimensional structural schematic diagram of the built-in components of the utility model;

[0027] Figure 4 For this utility model Figure 3 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the base of the utility model.

[0029] In the figure: 1. elbow body; 2. built-in components; 3. limit strip; 4. limit component; 5. support rod; 6. reset spring; 7. slider; 8. limit block; 9. small fan; 10. speed measuring gear; 11. nested part; 12. speed tachometer; 13. protective cover; 14. sealing ring; 15. base; 16. connecting rod; 17. handle; 18. extrusion rod; 19. extrusion part; 20. limit part. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-Figure 5 The utility model provides a technical solution: an air inlet elbow of a condensing host provided with an air leakage detection structure, and an air inlet elbow body 1 installed on the condensing host;

[0032] It includes: an internal component 2, which is nested and connected to the inner surface of the elbow body 1, and a limit strip 3 is installed on the outer surface of the internal component 2, and the limit strip 3 is limitedly slid on the inner surface of the elbow body 1, and a limit component 4 is installed on the inner wall of the internal component 2, and a support rod 5 is nested and installed on the inner surface of the limit component 4;

[0033] The return spring 6 is nested and connected to the lower side of the inner surface of the limit assembly 4, and the upper side of the inner surface of the limit assembly 4 is slidably connected with a slider 7, and the upper side of the outer surface of the slider 7 is installed with a limit block 8, and the outer surface of the limit block 8 is clamped and installed with a support rod 5;

[0034] A small fan 9 is rotatably connected to the middle section of the inner surface of the support rod 5, and a speed measuring gear 10 is rotatably connected to the outer surface of the small fan 9, and a detection convex block is arranged on the outer surface of the speed measuring gear 10, and a nesting piece 11 is installed on the outer surface of the support rod 5, and a speed meter 12 is nested and installed on the inner surface of the nesting piece 11;

[0035] The protective cover 13 is installed on the upper surface end of the built-in component 2 , and a sealing ring 14 is connected between the protective cover 13 and the elbow body 1 , and a base 15 is installed on the upper surface of the elbow body 1 .

[0036] The built-in component 2 forms a sliding built-in structure with the elbow body 1 through the limit strip 3, and the limit strip 3 is embedded in the outer surface of the built-in component 2, and the built-in component 2 and the outer surface of the limit strip 4 form an integrated structure, and the limit strip 4 and the support rod 5 form a built-in nested structure.

[0037] The limit assembly 4 forms an elastic sliding structure through the reset spring 6 and the slider 7, and the slider 7 forms a limit locking structure with the support rod 5 through the limit block 8, and the support rod 5 forms a rotating structure with the speed measuring gear 10 through the small fan 9, and at the same time, the support rod 5 forms a limit nesting structure with the speed meter 12 through the nesting piece 11.

[0038] The protective cover 13 is embedded in the upper surface of the built-in component 2 , and the protective cover 13 forms a nested sealing structure with the elbow body 1 through the sealing ring 14 , while the elbow body 1 and the base 15 form a sliding adjustment structure.

[0039] When in use, the built-in component 2 is nested and assembled on the inner surface of the elbow body 1, and the limit strip 3 installed with the built-in component 2 is cooperated to effectively prevent the built-in component 2 from being misplaced, and the limit component 4 assembled with the assembled built-in component 2 is used to limit the support rod 5, and when the support rod 5 is assembled, the return spring 6 built in the limit component 4 will elastically squeeze the slider 7, effectively controlling the limit block 8 to form a limit engagement with the support rod 5 to prevent the support rod 5 from falling off, thereby improving the stability of the support rod 5, and cooperating with the small fan 9 on the support rod 5 to rotate with the incoming wind, and cooperating with the protrusion set on the speed measuring gear 10 assembled with the small fan 9, and cooperating with the nested piece 11 installed on the support rod 5 to form a speed meter 12 that effectively detects the speed, and compares the wind speed generated by the air intake required by the condensing host with the speed generated by the small fan 9, effectively calculating whether there is air leakage, and when the built-in component 2 is assembled, the installed protective cover 13 and the sealing ring 14 can be cooperated to control the sealing of the built-in component 2 when in use;

[0040] The upper side of the inner surface of the base 15 is rotatably connected to a connecting rod 16, and the other end of the outer surface of the connecting rod 16 is rotatably connected to a handle 17, and the inner surface end of the handle 17 is rotatably connected to an extrusion rod 18, and at the same time, the lower side of the outer surface of the extrusion rod 18 is positioned and rotated on the inner surface side of the base 15, and the inner surface of the extrusion rod 18 is threadedly connected to an extrusion member 19, and a limiting member 20 is snap-fitted and installed on the upper side of the outer surface of the extrusion rod 18, and the limiting member 20 is positioned and rotated on the inner surface of the elbow body 1.

[0041] The base 15 forms a linkage rotation structure with the handle 17 through the connecting rod 16, and the handle 17 and the extrusion rod 18 form a rotation structure, and the extrusion rod 18 and the base 15 form a positioning rotation structure. At the same time, the extrusion rod 18 and the extrusion member 19 form a threaded adjustment structure, and the extrusion rod 18 and the limiting member 20 form a limiting snap-fit ​​structure.

[0042] When in use, the position of the base 15 assembled with the elbow body 1 is controlled, and the handle 17 is manually controlled to push the position of the extrusion piece 19 assembled with the extrusion rod 18, so as to effectively connect the extrusion piece 19 with the protective cover 13, and the handle 17 is controlled to rotate, so as to form extrusion between the handle 17, the connecting rod 16 and the positioning and rotating extrusion rod 18, so as to effectively control the extrusion piece 19 to form an extrusion on the protective cover 13, thereby controlling the limit piece 20 to form a limit engagement with the extrusion rod 18 to prevent the extrusion rod 18 from loosening.

[0043] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0044] 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 condensing main unit air inlet elbow provided with an air leakage detection structure, comprising an air inlet elbow body (1) for installing the condensing main unit; It is characterized in that include: The built-in component (2) is nested and connected to the inner surface of the elbow body (1), and a limit strip (3) is installed on the outer surface of the built-in component (2), and the limit strip (3) is limitedly slid on the inner surface of the elbow body (1), and a limit component (4) is installed on the inner wall of the built-in component (2), and a support rod (5) is nested and installed on the inner surface of the limit component (4); A return spring (6) is nested and connected to the lower side of the inner surface of the limit assembly (4), and a slider (7) is slidably connected to the upper side of the inner surface of the limit assembly (4), and a limit block (8) is installed on the upper side of the outer surface of the slider (7), and a support rod (5) is snap-fitted and installed on the outer surface of the limit block (8); A small fan (9) is rotatably connected to the middle section of the inner surface of the support rod (5), and a speed measuring gear (10) is rotatably connected to the outer surface of the small fan (9), and a detection convex block is arranged on the outer surface of the speed measuring gear (10), and a nesting piece (11) is installed on the outer surface of the support rod (5), and a speed meter (12) is nested and installed on the inner surface of the nesting piece (11); A protective cover (13) is installed on the upper surface end of the built-in component (2), a sealing ring (14) is connected between the protective cover (13) and the elbow body (1), and a base (15) is installed on the upper surface of the elbow body (1).

2. The condensing main unit air inlet elbow with an air leakage detection structure according to claim 1, characterized in that: The built-in component (2) forms a sliding built-in structure with the elbow body (1) through the limiting strip (3), and the limiting strip (3) and the outer surface of the built-in component (2) are embedded and installed, and the built-in component (2) and the outer surface of the limiting component (4) form an integrated structure, and the limiting component (4) and the support rod (5) form a built-in nested structure.

3. The condensing main unit air inlet elbow with an air leakage detection structure according to claim 1, characterized in that: The limit assembly (4) forms an elastic sliding structure through a reset spring (6) and a slider (7), and the slider (7) forms a limit engaging structure with a support rod (5) through a limit block (8), and the support rod (5) forms a rotating structure through a small fan (9) and a speed measuring gear (10), and the support rod (5) forms a limit nesting structure with a nesting piece (11) and a speed meter (12).

4. The condensing main unit air inlet elbow with an air leakage detection structure according to claim 1, characterized in that: The protective cover (13) is embeddedly mounted on the upper surface of the built-in component (2), and the protective cover (13) forms a nested sealing structure with the elbow body (1) through a sealing ring (14), while the elbow body (1) and the base (15) form a sliding adjustment structure.

5. The condensing main unit air inlet elbow with an air leakage detection structure according to claim 1, characterized in that: The upper side of the inner surface of the base (15) is rotatably connected to a connecting rod (16), and the other end of the outer surface of the connecting rod (16) is rotatably connected to a handle (17), and the inner surface end of the handle (17) is rotatably connected to an extrusion rod (18), and at the same time, the lower side of the outer surface of the extrusion rod (18) is positioned and rotated on the side of the inner surface of the base (15), and the inner surface of the extrusion rod (18) is threadedly connected to an extrusion piece (19), and a limiting piece (20) is snap-fitted and installed on the upper side of the outer surface of the extrusion rod (18), and the limiting piece (20) is positioned and rotated on the inner surface of the elbow body (1).

6. The condensing main unit air inlet elbow with an air leakage detection structure according to claim 1, characterized in that: The base (15) forms a linkage rotation structure with the handle (17) through a connecting rod (16), and the handle (17) and the extrusion rod (18) form a rotation structure, and the extrusion rod (18) and the base (15) form a positioning rotation structure, while the extrusion rod (18) and the extrusion member (19) form a threaded adjustment structure, and the extrusion rod (18) and the limiting member (20) form a limiting snap-fit ​​structure.

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