Pressure testing tool for refrigeration equipment
By designing a pressure test tool including a placement box, a detection box and a collection box, using a motor-driven bidirectional screw and a slider mechanism to fix refrigeration equipment of different sizes, and processing the burst debris and gases through a suction pump and dust collecting cover system, the problem of the inability of the existing technology to fix refrigeration equipment of different sizes and deal with burst debris is solved, and the stability of the refrigeration equipment and subsequent pressure measurement is achieved.
Patent Information
- Application Number
- CN202421265301.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The prior art cannot fix refrigeration equipment of different sizes, and during air pressure testing, the refrigeration equipment is prone to burst, resulting in the inability to effectively handle debris and gases, affecting the subsequent secondary pressure measurement.
A pressure test tooling including a placing box, a testing box and a collection box is designed, refrigeration equipment of different sizes is fixed by a motor-driven bidirectional screw and slider mechanism, and the burst debris and gas are processed through a suction pump and dust collecting hood system.
It achieves stable fixation of refrigeration equipment of different sizes, avoids the impact of bursts and debris, and ensures the accuracy and safety of subsequent pressure measurements.
Smart Images
Figure CN222774388U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigeration equipment, in particular to a pressure testing tool for refrigeration equipment. Background Art
[0002] Refrigeration equipment refers to equipment mainly used for refrigerating crew food, refrigerating various types of cargo and air conditioning in cabins in summer.
[0003] The patent document with application number 20222163714 discloses a pressure testing tool for refrigeration equipment. This technology places the refrigeration equipment on a workbench, starts the hydraulic cylinder to move the protective cover downward until the protective cover is completely covered on the workbench, and then the gas tank continuously supplies gas to the refrigeration equipment, so that the internal pressure of the refrigeration equipment continues to increase. When the pressure increases to the limit pressure of the refrigeration equipment, the refrigeration equipment bursts, and the protective cover can block the splash of fragments, so that the fragments fall within the range covered by the protective cover, thereby reducing the range of the dangerous area. However, due to the different sizes of each refrigeration equipment, this technology cannot be fixed according to refrigeration equipment of different sizes, and the refrigeration equipment is prone to burst during the air pressure test. This technology cannot handle the burst fragments and gas, which is easy to affect the subsequent secondary pressure measurement.
[0004] In response to the above problems, we have launched a pressure testing tool for refrigeration equipment. Utility Model Content
[0005] The utility model discloses a pressure testing tool for refrigeration equipment, aiming to solve the technical problems that refrigeration equipment of different sizes cannot be fixed and exploded fragments cannot be processed.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A pressure test tool for refrigeration equipment, comprising a placement box, a support frame is slidably connected to the interior of the placement box, a gas storage tank is fixedly connected to the interior of the support frame, a detection box is fixedly connected to the top of the placement box, a collection box is fixedly connected to the top of the placement box and located on one side of the detection box, and a fixing mechanism is arranged inside the detection box;
[0008] The fixing mechanism includes a motor, and the inner bottom wall of the detection box is provided with two slide grooves, one of which is internally rotatably connected with a two-way screw rod, and the other slide groove is internally fixedly connected with a column, the outer side of the two-way screw rod is threadedly connected with two sliders, and the slider is slidably connected to the column, the two-way screw rod passes through one side of the slide groove and is located on the outside of the detection box and is fixedly connected to the motor, the top of the slider is fixedly connected to a limiting block, and the inner bottom wall of the detection box is provided with limiting grooves on both sides of the slide groove, the bottom of the limit block is slidably connected to the inside of the limit groove, the top of the limit block is fixedly connected with a splint, the inner side of the splint is fixedly connected with a protective block, and the inside of the detection box is fixedly connected with a square frame.
[0009] The arrangement of a motor, a bidirectional screw rod, a column, a slider and a clamping plate facilitates the fixing of refrigeration equipment of different sizes.
[0010] In a preferred embodiment, a baffle is fixedly connected to the interior of the collecting box, a suction pump is fixedly connected to the top of the baffle, the suction pump is fixedly connected to a connecting pipe passing through the interior of the collecting box, a dust hood is fixedly connected to the connecting pipe on a side away from the collecting box and passing through the detection box, a delivery pipe is fixedly connected to the side of the suction pump away from the connecting pipe, and the bottom end of the delivery pipe passes through the baffle.
[0011] The provision of a suction pump, a dust collecting hood, a connecting pipe and a conveying pipe facilitates the conveying of the broken fragments to the interior of the collection box, thereby preventing the fragments from affecting the secondary pressure measurement inside the detection box.
[0012] In a preferred solution, rectangular plates are fixedly connected to both sides of the support frame, rectangular grooves are provided on the inner walls of both sides of the placement box, a plurality of first springs are fixedly connected inside the rectangular grooves, the tops of the first springs are fixedly connected to the rectangular plates, four telescopic rods are fixedly connected to the bottom of the support frame, second springs are sleeved on the outer sides of the telescopic rods, a groove is provided inside the placement box and below the support frame, and the telescopic rods are fixedly connected to the grooves.
[0013] The rectangular plate, the first spring, the telescopic rod and the second spring are provided to reduce the shock inside the storage box and prevent the pressure gauge value from being affected.
[0014] In a preferred solution, a stand is fixedly connected to the top of the placement box and one side close to the detection box, a hydraulic cylinder is fixedly connected to the interior of the stand, a protective cover is fixedly connected to the bottom of the hydraulic cylinder, a sealing gasket is fixedly connected to the bottom of the protective cover, and a pressure gauge is fixedly connected to one side of the gas tank through the placement box.
[0015] Providing a protective cover and a sealing pad is helpful to seal the detection box and prevent fragments from jumping out.
[0016] In a preferred solution, an air filter hole is provided on one side of the inner wall of the collection box and below the baffle, and a filter screen is fixedly connected to the outer side of the air filter hole.
[0017] The gas is filtered by passing through the filter and then discharged from the filter holes.
[0018] In a preferred solution, two strip frames are fixedly connected to one side of the top of the storage box, and handles are fixedly connected to the outer sides of the strip frames.
[0019] Providing a handle and a bar frame facilitates the rapid movement of the device.
[0020] In a preferred solution, a box door is installed on the outer side of the storage box, a pull rod is fixedly connected to the outer side of the box door, and rollers are installed on the bottom of the storage box.
[0021] The provision of a box door and a pull rod facilitates the placement of the gas storage tank inside the storage box, and the use of rollers facilitates the rapid movement of the device.
[0022] The pressure testing tool for refrigeration equipment provided by the utility model has the following advantages:
[0023] First, place the refrigeration equipment on the top of the square frame, and then start the motor so that the output end of the motor drives the bidirectional screw to rotate, and then the slider drives the two clamps to approach each other, so that the two protective blocks clamp and fix the refrigeration equipment. At the same time, when the slider slides, the limit block slides inside the limit groove to limit the slider to prevent displacement, and the sliding of the slider and the column is conducive to limiting the clamp. This mechanism is conducive to fixing refrigeration equipment of different sizes and improving practicality.
[0024] Secondly, by starting the suction pump, the dust hood absorbs the debris and gas inside the test box, and then sends them to the bottom of the baffle inside the collection box through the connecting pipe, suction pump, and delivery pipe in sequence. The gas is filtered through the filter and then discharged from the filter hole, which is conducive to processing the debris inside the test box and preventing it from affecting the secondary pressure measurement. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 The utility model is a three-dimensional schematic diagram of a pressure testing tool for refrigeration equipment.
[0026] Figure 2 The utility model is a cross-sectional stereoscopic schematic diagram of a pressure testing tool for refrigeration equipment.
[0027] Figure 3 The utility model is a cross-sectional stereoscopic schematic diagram of a pressure testing tool for refrigeration equipment.
[0028] Figure 4 The utility model is a partial three-dimensional schematic diagram of a pressure testing tool for refrigeration equipment.
[0029] Figure 5 A pressure test tool for refrigeration equipment proposed by the utility model Figure 4 Enlarged schematic diagram at point A in the middle.
[0030] In the attached drawings: 1. Placement box; 2. Collection box; 3. Inspection box; 4. Stand; 5. Fixing mechanism; 501. Motor; 502. Bidirectional screw rod; 503. Slide; 504. Slider; 505. Column; 506. Limiting groove; 507. Limiting block; 508. Clamp; 509. Protective block; 510. Square frame; 6. Gas storage tank; 7. Support frame; 801. Suction pump; 802. Connecting pipe; 803 , dust hood; 804, conveying pipe; 805, baffle; 901, rectangular plate; 902, first spring; 903, groove; 904, rectangular groove; 905, telescopic rod; 906, second spring; 10, pressure gauge; 11, roller; 12, protective cover; 13, hydraulic cylinder; 14, strip rack; 15, handle; 16, filter screen; 17, air filter hole; 18, box door; 19, pull rod; 20, sealing gasket. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.
[0032] The utility model discloses a pressure testing tool for refrigeration equipment, which is mainly used in the scenario of pressure testing of refrigeration equipment.
[0033] Reference Figure 1-Figure 5 A pressure test tool for refrigeration equipment includes a placement box 1, a support frame 7 is slidably connected to the inside of the placement box 1, a gas storage tank 6 is fixedly connected to the inside of the support frame 7, a detection box 3 is fixedly connected to the top of the placement box 1, a collection box 2 is fixedly connected to the top of the placement box 1 and located on one side of the detection box 3, and a fixing mechanism 5 is arranged inside the detection box 3;
[0034] The fixing mechanism 5 includes a motor 501. Two slide grooves 503 are provided on the inner bottom wall of the detection box 3. A bidirectional screw rod 502 is rotatably connected to the inside of one of the slide grooves 503. A column 505 is fixedly connected to the inside of the other slide groove 503. Two sliders 504 are threadedly connected to the outer side of the bidirectional screw rod 502. The sliders 504 are slidably connected to the column 505. The bidirectional screw rod 502 passes through one side of the slide groove 503 and is fixedly connected to the motor 501 on the outside of the detection box 3. The top of the slider 504 is fixedly connected to a limiting block 507. Limiting grooves 506 are provided on the inner bottom wall of the detection box 3 and are located on both sides of the slide groove 503. The bottom of the limiting block 507 is slidably connected to the inside of the limiting groove 506. A splint 508 is fixedly connected to the top of the limiting block 507. A protective block 509 is fixedly connected to the inner side of the splint 508. A square frame 510 is fixedly connected to the inside of the detection box 3.
[0035] In this embodiment: first, the refrigeration equipment is placed on the top of the square frame 510, and then the motor 501 is started, so that the output end of the motor 501 drives the bidirectional screw rod 502 to rotate, and then the slider 504 drives the two clamps 508 to approach each other, so that the two protective blocks 509 clamp and fix the refrigeration equipment. At the same time, when the slider 504 slides, the limit block 507 slides inside the limit groove 506 to limit the slider 504 to prevent displacement, and the sliding of the slider 504 and the column 505 is conducive to limiting the clamp 508. This mechanism is conducive to fixing refrigeration equipment of different sizes and improving practicality.
[0036] In the above technical solution, considering the problem that the debris stays inside the detection box 3 and affects the secondary pressure measurement, in order to solve this problem, the specific operations are as follows:
[0037] Reference Figure 1-Figure 5 In a preferred embodiment, a baffle 805 is fixedly connected to the interior of the collecting box 2, a suction pump 801 is fixedly connected to the top of the baffle 805, the suction pump 801 passes through the interior of the collecting box 2 and is fixedly connected to a connecting pipe 802, the connecting pipe 802 is fixedly connected to a dust hood 803 on a side away from the collecting box 2 and passes through the detection box 3, a delivery pipe 804 is fixedly connected to the side of the suction pump 801 away from the connecting pipe 802, and the bottom end of the delivery pipe 804 passes through the baffle 805.
[0038] An air filter hole 17 is provided on one side of the inner wall of the collection box 2 and below the baffle 805 , and a filter screen 16 is fixedly connected to the outer side of the air filter hole 17 .
[0039] Among them, two strip frames 14 are fixedly connected to one side of the top of the placement box 1, and handles 15 are fixedly connected to the outer sides of the strip frames 14.
[0040] A box door 18 is installed on the outside of the storage box 1 , a pull rod 19 is fixedly connected to the outside of the box door 18 , and a roller 11 is installed on the bottom of the storage box 1 .
[0041] In this embodiment: by starting the suction pump 801, the dust hood 803 absorbs the debris and gas inside the detection box 3, and then sends them to the bottom of the baffle 805 inside the collection box 2 through the connecting pipe 802, the suction pump 801, and the delivery pipe 804 in sequence. The gas is filtered through the filter screen 16 and then discharged from the filter hole 17, which is conducive to processing the debris inside the detection box 3 and preventing it from affecting the secondary pressure measurement.
[0042] In the above technical solution, considering the problem that the vibration of the gas storage tank 6 inside the placement box 1 affects the value of the pressure gauge 10, in order to solve this problem, the specific operation is as follows
[0043] Reference Figure 1-Figure 5 In a preferred embodiment, rectangular plates 901 are fixedly connected to both sides of the support frame 7, rectangular grooves 904 are provided on the inner walls of both sides of the placement box 1, and multiple first springs 902 are fixedly connected inside the rectangular grooves 904. The tops of the first springs 902 are fixedly connected to the rectangular plates 901, and four telescopic rods 905 are fixedly connected to the bottom of the support frame 7. Second springs 906 are sleeved on the outer sides of the telescopic rods 905. A groove 903 is provided inside the placement box 1 and below the support frame 7, and the telescopic rods 905 are fixedly connected to the groove 903.
[0044] Among them, a stand 4 is fixedly connected to the top of the placement box 1 and on one side close to the detection box 3, a hydraulic cylinder 13 is fixedly connected to the inside of the stand 4, a protective cover 12 is fixedly connected to the bottom of the hydraulic cylinder 13, a sealing gasket 20 is fixedly connected to the bottom of the protective cover 12, and a pressure gauge 10 is fixedly connected to one side of the gas storage tank 6 through the placement box 1.
[0045] In this embodiment, a telescopic rod 905 is connected to the bottom of the support frame 7 so that the telescopic rod 905 is used in conjunction with the second spring 906, and rectangular plates 901 are connected to both sides of the support frame 7 so that the rectangular plates 901 are used in conjunction with the first spring 902, thereby damping the gas tank 6 and preventing the vibration of the gas tank 6 from affecting the numerical accuracy of the pressure gauge 10.
[0046] Working principle: When in use, the refrigeration equipment is placed on the top of the square frame 510, and then the motor 501 is started, so that the output end of the motor 501 drives the bidirectional screw rod 502 to rotate, and then the slider 504 drives the two clamping plates 508 to approach each other, so that the two protective blocks 509 clamp and fix the refrigeration equipment. At the same time, when the slider 504 slides, the limit block 507 slides inside the limit groove 506 to limit the slider 504 to prevent deviation, and the sliding of the slider 504 and the column 505 is conducive to limiting the clamping plate 508, and then the telescopic rod 905 is connected to the bottom of the support frame 7, so that the telescopic rod 905 and the second spring 90 6 is used in conjunction with each other, and rectangular plates 901 are connected on both sides of the support frame 7, so that the rectangular plates 901 are used in conjunction with the first spring 902 to reduce the shock of the gas tank 6 and prevent the vibration of the gas tank 6 from affecting the numerical accuracy of the pressure gauge 10. After the test, by starting the suction pump 801, the dust hood 803 absorbs the debris and gas inside the detection box 3, and then sends them to the bottom of the baffle 805 inside the collection box 2 through the connecting pipe 802, the suction pump 801, and the delivery pipe 804 in turn. The gas is filtered through the filter screen 16 and then discharged from the filter hole 17, which is conducive to processing the debris inside the detection box 3 and preventing it from affecting the secondary pressure measurement.
[0047] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.
Claims
1. A pressure test tool for refrigeration equipment, comprising a placement box (1), characterized in that: The interior of the placement box (1) is slidably connected to a support frame (7), the interior of the support frame (7) is fixedly connected to a gas storage tank (6), the top of the placement box (1) is fixedly connected to a detection box (3), the top of the placement box (1) and one side of the detection box (3) is fixedly connected to a collection box (2), and a fixing mechanism (5) is provided inside the detection box (3); The fixing mechanism (5) comprises a motor (501), and the inner bottom wall of the detection box (3) is provided with two slide grooves (503), wherein a bidirectional screw rod (502) is rotatably connected inside one of the slide grooves (503), and a column (505) is fixedly connected inside the other slide groove (503), and two sliders (504) are threadedly connected to the outer side of the bidirectional screw rod (502), and the sliders (504) are slidably connected to the column (505), and the bidirectional screw rod (502) passes through one side of the slide groove (503) and is located outside the detection box (3). The top of the slide block (504) is fixedly connected to a motor (501); the top of the slide block (504) is fixedly connected to a limit block (507); the inner bottom wall of the detection box (3) is provided with limit slots (506) on both sides of the slide slot (503); the bottom of the limit block (507) is slidably connected to the inside of the limit slot (506); the top of the limit block (507) is fixedly connected to a clamping plate (508); the inner side of the clamping plate (508) is fixedly connected to a protective block (509); and the inside of the detection box (3) is fixedly connected to a square frame (510).
2. A pressure test tool for refrigeration equipment according to claim 1, characterized in that: The interior of the collecting box (2) is fixedly connected to a baffle (805); the top of the baffle (805) is fixedly connected to a suction pump (801); the suction pump (801) passes through the interior of the collecting box (2) and is fixedly connected to a connecting pipe (802); the connecting pipe (802) is fixedly connected to a dust collecting hood (803) on a side away from the collecting box (2) and passes through the detection box (3); the side of the suction pump (801) away from the connecting pipe (802) is fixedly connected to a delivery pipe (804); the bottom end of the delivery pipe (804) passes through the baffle (805).
3. A pressure test tool for refrigeration equipment according to claim 1, characterized in that: Rectangular plates (901) are fixedly connected to both sides of the support frame (7); rectangular grooves (904) are provided on the inner walls of both sides of the placement box (1); a plurality of first springs (902) are fixedly connected inside the rectangular grooves (904); the tops of the first springs (902) are fixedly connected to the rectangular plates (901); four telescopic rods (905) are fixedly connected to the bottom of the support frame (7); second springs (906) are sleeved on the outer sides of the telescopic rods (905); a groove (903) is provided inside the placement box (1) and below the support frame (7); the telescopic rods (905) are fixedly connected to the grooves (903).
4. The pressure test tool for refrigeration equipment according to claim 1, characterized in that: A stand (4) is fixedly connected to the top of the placement box (1) and on one side close to the detection box (3); a hydraulic cylinder (13) is fixedly connected to the interior of the stand (4); a protective cover (12) is fixedly connected to the bottom of the hydraulic cylinder (13); a sealing gasket (20) is fixedly connected to the bottom of the protective cover (12); and a pressure gauge (10) is fixedly connected to one side of the gas storage tank (6) passing through the placement box (1).
5. The pressure test tool for refrigeration equipment according to claim 1, characterized in that: An air filter hole (17) is provided on one side of the inner wall of the collection box (2) and below the baffle (805), and a filter screen (16) is fixedly connected to the outer side of the air filter hole (17).
6. A pressure test tool for refrigeration equipment according to claim 1, characterized in that: Two strip frames (14) are fixedly connected to one side of the top of the placement box (1), and handles (15) are fixedly connected to the outer sides of the strip frames (14).
7. The pressure test tool for refrigeration equipment according to claim 1, characterized in that: A box door (18) is installed on the outside of the storage box (1), a pull rod (19) is fixedly connected to the outside of the box door (18), and a roller (11) is installed on the bottom of the storage box (1).