Air tightness detection equipment for die-casting shell of air conditioner heater

Abstract

The utility model discloses air-tightness detection equipment for a die-casting shell of an air-conditioning heater, and relates to the field of air-tightness detection equipment, the air-tightness detection equipment for the die-casting shell of the air-conditioning heater comprises a base, the middle part of the top surface of the base is sequentially provided with two bearing seats along the length direction of the base, and the bearing seat at the left side is fixed with the base; the air-tightness detection equipment for the die-casting shell of the air-conditioning heater adopts a double-bearing-seat structure, is provided with a clamping block at the top, integrates a rotating sleeve, an arc-shaped driving strip and a driven column, can automatically block a water inlet and outlet pipe, is quickly connected with an air guide pipe, and adapts to different pipe diameters; the distance between the bearing seats is adjusted through the screw and the threaded sleeve, and the device is compatible with tanks of various specifications. The design realizes full-process automation of detection, reduces manual operation, remarkably improves efficiency and expands the application range of equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to air tightness detection equipment field especially air conditioner heater die casting shell air tightness detection equipment. BACKGROUND

[0002] Air conditioner auxiliary electric heater is a constituting part of central air conditioning water circulation system, and its main structure is a tank body with two water pipes connected with the outside environment, the inside of the tank body is provided with an electric heating rod, and the two water pipes are used for water inlet and water outlet respectively, so that the electric heating rod is used for heating the water source in the tank body, and the auxiliary heating effect is realized. The sealing property of the tank body is crucial, and the air tightness detection work needs to be carried out before the tank body is delivered after processing. The conventional detection method is to block one of the water pipes, and the other water pipe is used for inflating the tank body, so that the air pressure change is observed. However, the traditional air tightness detection equipment is relatively cumbersome in the connection process of the two water pipes, and the plugging and connection work is completed by manual distributed operation, so that the detection efficiency is low. UTILITY MODEL CONTENTS

[0003] In order to make up for the deficiency of the prior art, the utility model aims at providing an air conditioner heater die casting shell air tightness detection equipment, which solves the problems of many manual operation steps and low detection efficiency in the air tightness detection work of the air conditioner heater tank in the prior art.

[0004] In order to solve the problems in the prior art, the technical scheme of the utility model is as follows:

[0005] The air conditioner heater die casting shell air tightness detection equipment comprises a base, two bearing seats are sequentially arranged on the middle part of the top surface of the base along the length direction of the base, a centering and clamping mechanism for centrally and tightly pressing the inlet and outlet water pipes of the air conditioner heater tank on the top surface of the top plate of the bearing seat is arranged on the top plate of the bearing seat, a distance adjusting assembly is installed on the top surface of the base, and the distance adjusting assembly is used for adjusting the distance between the two bearing seats.

[0006] An air inlet is formed at the central position of the upper end of one of the bearing seats, and an air inlet assembly is connected to the lower end of the air inlet and used for adding gas to the inside of the air conditioner heater tank and displaying the air pressure.

[0007] Preferably, the centering and clamping mechanism comprises a plurality of sliding grooves arranged at equal angles on the top plate of the bearing seat, a sliding block is slidably connected to the inner wall of the sliding groove, a clamping block is fixed to the top of the sliding block, the side of the clamping block close to the bearing axis is arranged in an inclined surface, and a centering and moving assembly for simultaneously centering and closing the plurality of clamping blocks is fixed to the inner wall of the vertical cylinder of the bearing seat.

[0008] Preferably, the centering moving assembly comprises a rotating sleeve arranged on the axis of the inner wall of the vertical cylinder of the bearing seat, an arc-shaped driving strip is fixed on the outer wall of the upper end of the rotating sleeve corresponding to the position of the clamping block, the arc-shaped driving strip is hollow, the bottom of the sliding block is fixed with a passive column, the passive column is inserted into the inner side of the arc-shaped driving strip at the corresponding position, and the outer side of the rotating sleeve is provided with a rotating assembly for driving the rotation of the rotating sleeve.

[0009] Preferably, the rotating assembly comprises a worm wheel fixed on the outer wall of the rotating sleeve, a first motor is fixed on the upper end of the inner wall of the bearing seat, a worm is fixed on the output shaft of the first motor through a shaft coupling, the worm is rotatably connected with the inner wall of the bearing seat, and the worm is meshingly connected with the worm wheel.

[0010] Preferably, among the two bearing seats, the left bearing seat is fixed with the base, and the right bearing seat is slidably connected with the base.

[0011] Preferably, the bottom surface of the right bearing seat is symmetrically fixed with a sliding strip, the top surface of the base is symmetrically fixed with a sliding rail, and the sliding strip is slidably connected with the outer wall of the sliding rail at the corresponding position.

[0012] Preferably, the distance adjusting assembly comprises a screw rod rotatably arranged at the middle position of the top surface of the base, a threaded sleeve is fixed on the bottom surface of the right bearing seat and is threadedly connected with the screw rod, one end of the screw rod is connected with the output shaft of a second motor, and the second motor is fixed on the top surface of the base.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a bearing seat is installed on the base, and the bearing seat is provided with a clamping block, a sliding block and a passive column, and the clamping block is arranged on the top of the bearing seat.

[0015] The utility model discloses a bearing seat is installed on the base, and the bearing seat is provided with a clamping block, a sliding block and a passive column, and the clamping block is arranged on the top of the bearing seat. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is the rotating sleeve structure schematic diagram of the utility model;

[0018] Fig. 3The passive column position diagram of the utility model;

[0019] Fig. 4 The air inlet hard pipe position diagram of the utility model;

[0020] The figure mark: 1, base, 2, bearing seat, 3, slide bar, 4, slide rail, 5, air inlet, 6, air inlet hard pipe, 7, air inlet hose, 8, valve, 9, air pressure gauge, 10, air pump, 11, sealing gasket, 12, sliding groove, 13, sliding block, 14, clamping block, 15, rotating sleeve, 16, arc drive bar, 17, passive column, 18, worm wheel, 19, first motor, 20, worm, 21, screw, 22, threaded sleeve, 23, second motor. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figs. 1 to 4 The air conditioner heater die casting shell air tightness detection equipment of the embodiment comprises a base 1, two bearing seats 2 are sequentially arranged on the middle part of the top surface of the base 1 along the length direction of the base 1, the bearing seat 2 on the left side is fixed with the base 1, the bearing seat 2 on the right side is symmetrically fixed with a slide bar 3 on the bottom surface, the top surface of the base 1 is symmetrically fixed with a slide rail 4, the slide bar 3 is slidably connected with the outer wall of the corresponding position of the slide rail 4, so that the bearing seat 2 on the right side can be close to or away from the bearing seat 2 on the left side, and the distance between the two can be adjusted according to the distance between the two water inlet and outlet pipes on the tank body.

[0023] An air inlet 5 is arranged at the central position of the upper end of the bearing seat 2 on the left side, the lower end of the air inlet 5 is connected with an air inlet hard pipe 6, the air inlet hard pipe 6 extends from the inner cavity of the upper end of the bearing seat 2 to the outside of the bearing seat 2 and is connected with an air inlet hose 7, the end of the air inlet hard pipe 6 close to the air inlet hose 7 is provided with a valve 8, the air inlet hard pipe 6 is provided with an air pressure gauge 9, the end of the air inlet hose 7 is connected with an air pump 10, the air pump 10 is fixed on the top surface of the base 1, the top surface of the two bearing seats 2 is fixed with a sealing gasket 11 at the central position, when the detection work is carried out, the two water inlet and outlet pipes of the air conditioner heater tank body are respectively pressed on the two sealing gaskets 11, the bearing seat 2 on the right side blocks the water inlet and outlet pipe on the right side, the water inlet and outlet pipe on the left side is communicated with the air inlet 5, the air inlet hard pipe 6 and the air inlet hose 7, then the air pump 10 is started, the air pressure inside the tank body is added, so that the air pressure reaches the set pressure, then the valve 8 is closed, the air pump 10 is turned off, and the air pressure gauge 9 is observed, so that the detection work can be realized.

[0024] Several sliding grooves 12 are evenly spaced on the top plate of the support seat 2. A slider 13 is slidably connected to the inner wall of the sliding groove 12. A clamping block 14 is fixed on the top of the slider 13. The side of the clamping block 14 near the axis of the support seat 2 is set with an inclined surface. In the actual structural design, flanges are installed at the ends of the two inlet and outlet water pipes of the air conditioning heater tank. The flanges are used to connect to the external pipeline. When sealing the inlet and outlet water pipes and connecting the inlet and outlet water pipes, the tank is placed above the two support seats 2. The two inlet and outlet water pipes are respectively facing the top surface of the two support seats 2 and abutting against the sealing gasket 11. Then, the multiple clamping blocks 14 on the top surface of each support seat 2 are centered and close together. The inclined surface of the clamping block 14 abuts against the outer edge of the top surface of the flange, thereby forcing the flange to press tightly against the sealing gasket 11, realizing the sealing of the inlet and outlet water pipes and the connection of the air intake hard pipe 6.

[0025] A rotating sleeve 15 is rotatably mounted on the inner wall axis of the vertical cylinder of the bearing seat 2. An arc-shaped drive bar 16 is fixed on the outer wall of the upper end of the rotating sleeve 15 at the position corresponding to the clamping block 14. The arc-shaped drive bar 16 is hollow. A passive column 17 is fixed at the bottom of the slider 13. The passive column 17 is inserted into the inner side of an arc-shaped drive bar 16 at the corresponding position. A worm gear 18 is fixed on the outer wall of the rotating sleeve 15. A first motor 19 is fixed at the upper end of the inner wall of the bearing seat 2. The output shaft of the first motor 19 is fixed to a worm 20 through a coupling. The worm 20 is rotatably connected to the inner wall of the bearing seat 2. The worm 20 is meshed with the worm gear 18.

[0026] For the simultaneous centering and aggregating of multiple clamping blocks 14 on each bearing seat 2, the first motor 19 is driven to work, which drives the worm gear 20 to rotate, and the worm wheel 18 to rotate, thereby causing the rotating sleeve 15 to rotate, causing multiple arc-shaped drive bars 16 to rotate simultaneously, and actuating the passive column 17, thereby enabling multiple clamping blocks 14 to center and clamp the flange, completing the connection of the inlet and outlet water pipes, and then the airtightness test can be performed.

[0027] A screw 21 is rotatably mounted on the center of the top surface of the base 1. A threaded sleeve 22 is fixed to the bottom surface of the right-side bearing seat 2. The threaded sleeve 22 is threadedly connected to the screw 21. One end of the screw 21 is connected to the output shaft of the second motor 23. The second motor 23 is fixed on the top surface of the base 1. Before the tank is installed, the distance between the two bearing seats 2 can be adjusted according to the distance between the two inlet and outlet water pipes on the tank to match the size of the tank to be tested. When adjusting, the second motor 23 is driven to rotate, which drives the screw 21 to rotate, thereby driving the threaded sleeve 22 to move the right-side bearing seat 2 closer to or further away from the left-side bearing seat 2, thus achieving the effect of adjusting the distance.

[0028] In summary, this utility model, through the design of a double-support base 2 structure, with a clamping block 14 at the top and components such as a rotating sleeve 15, an arc-shaped drive bar 16, and a passive column 17, achieves automatic sealing of the inlet and outlet water pipes and rapid connection of the air duct. It can also connect inlet and outlet water pipes of different diameters to the tank. Furthermore, by using a screw 21 and a threaded sleeve 22 to adjust the spacing of the support base 2, it can accommodate tanks with inlet and outlet water pipes of varying spacing. This design significantly improves the automation of the entire airtightness testing process, reduces manual operation steps, effectively increases testing efficiency, and expands the applicability of the equipment.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An airtightness testing device for the die-cast housing of an air conditioner heater, comprising a base, characterized in that, Two support seats are arranged sequentially along the length of the base at the center of the top surface of the base. The top plate of the support seat is provided with a centering clamping mechanism that presses the inlet and outlet water pipes of the air conditioner heater tank in the center against the top surface of the support seat. An adjustment component is installed on the top surface of the base, which is used to adjust the distance between the two support seats. An air inlet is provided at the center of the upper end of one of the bearing seats, and an air inlet assembly is connected to the lower end of the air inlet. The air inlet assembly is used to add gas into the air conditioner heater tank and display the gas pressure.

2. The airtightness testing equipment for the die-cast housing of an air conditioner heater according to claim 1, characterized in that, The centering clamping mechanism includes several sliding grooves spaced at equal angles on the top plate of the support seat. A slider is slidably connected to the inner wall of the sliding groove. A clamping block is fixed to the top of the slider. The side of the clamping block near the axis of the support seat is set at an incline. A centering moving component that drives several clamping blocks to move towards each other at the center is fixed to the inner wall of the vertical cylinder of the support seat.

3. The airtightness testing equipment for the die-cast housing of an air conditioner heater according to claim 2, characterized in that, The centering moving component includes a rotating sleeve rotatably mounted on the axial position of the inner wall of the vertical cylinder of the bearing seat. An arc-shaped drive bar is fixed on the outer wall of the upper end of the rotating sleeve at the position corresponding to the clamping block. The arc-shaped drive bar is hollow. A passive column is fixed at the bottom of the slider. The passive column is inserted into the inner side of an arc-shaped drive bar at the corresponding position. A rotating component for driving the rotating sleeve to rotate is installed on the outer side of the rotating sleeve.

4. The airtightness testing equipment for the die-cast housing of an air conditioner heater according to claim 3, characterized in that, The rotating assembly includes a worm gear fixed on the outer wall of the rotating sleeve, a first motor fixed at the upper end of the inner wall of the bearing seat, and a worm fixed to the output shaft of the first motor through a coupling. The worm is rotatably connected to the inner wall of the bearing seat and meshes with the worm gear.

5. The airtightness testing equipment for the die-cast housing of an air conditioner heater according to claim 1, characterized in that, Of the two support seats, the left support seat is fixed to the base, and the right support seat is slidably connected to the base.

6. The airtightness testing equipment for the die-cast housing of an air conditioner heater according to claim 5, characterized in that, The bottom surface of the support on the right side is symmetrically fixed with a slide bar, and the top surface of the base is symmetrically fixed with a slide rail. The slide bar is slidably connected to the outer wall of the slide rail at the corresponding position.

7. The airtightness testing equipment for the die-cast housing of an air conditioner heater according to claim 5, characterized in that, The adjustable distance assembly includes a screw rod rotatably mounted on the center of the top surface of the base, a threaded sleeve fixed to the bottom surface of the bearing seat on the right side, the threaded sleeve being threadedly connected to the screw rod, one end of the screw rod being connected to the output shaft of the second motor, and the second motor being fixed to the top surface of the base.

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