Air tightness detection device for injection-molded part of oil pump cover

Abstract

The utility model discloses an air tightness detection device for an injection molding part of an oil pump cover, and relates to the technical field of mechanical manufacturing. The device comprises a double-layer frame and a rotating plate, the double-layer frame is provided with a fixing assembly, the fixing assembly comprises a clamping frame fixedly connected to the top of the rotating plate, the right side of the clamping frame is rotationally connected with a bidirectional threaded rod, the left end of the bidirectional threaded rod extends into the clamping frame, and the right end of the bidirectional threaded rod extends into the rotating plate. The right end of the bidirectional threaded rod is fixedly connected with a handle, the bidirectional threaded rod is in threaded connection with two internal threaded blocks, the two internal threaded blocks are both in sliding connection with the inner wall of the clamping frame, the tops of the two internal threaded blocks are both fixedly connected with clamping blocks, and an oil pump cover is arranged between the two clamping blocks. According to the utility model, the oil pump cover to be detected is fixed through the fixing assembly, so that the oil pump cover is prevented from moving in the detection process to influence the air tightness detection of the oil pump cover.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical manufacturing, in particular to an air tightness detection device for an injection molded part of an oil pump cover. Background Art

[0002] The oil pump cover is an important component of the oil pump. It mainly plays the role of sealing and protecting the internal components of the oil pump. The design and manufacturing quality of the oil pump cover have an important impact on the performance and reliability of the oil pump. A good oil pump cover should have good sealing properties to prevent oil leakage inside the oil pump.

[0003] It is very important to fix the oil pump cover during the air tightness test. If the oil pump cover is not fixed, it will move during the test, causing the test gas to leak, thereby affecting the accuracy of the air tightness test. At the same time, it needs to be constantly adjusted and retested, wasting a lot of time and manpower. Utility Model Content

[0004] The purpose of the utility model is to provide an oil pump cover injection molded part air tightness detection device, which solves the problem of oil pump cover moving during the detection process by providing a fixing component.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model relates to an air tightness detection device for an injection molded part of an oil pump cover, which comprises a double-layer frame and a rotating plate. An adjusting mechanism and a detecting mechanism are arranged on the double-layer frame.

[0007] Furthermore, the adjustment mechanism includes a fixing component, an adjusting component and a positioning component, the fixing component includes a clamping frame fixedly connected to the top of the rotating plate, the right side of the clamping frame is rotatably connected to a bidirectional threaded rod, the left end of the bidirectional threaded rod extends to the interior of the clamping frame, the right end of the bidirectional threaded rod is fixedly connected to a handle, two internal threaded blocks are threadedly connected to the bidirectional threaded rod, both internal threaded blocks are slidably connected to the inner wall of the clamping frame, the tops of the two internal threaded blocks are fixedly connected to clamping blocks, and an oil pump cover is provided between the two clamping blocks.

[0008] Furthermore, the adjustment assembly includes a support block fixedly connected to the top of the double-layer frame, a hydraulic cylinder fixedly connected to the bottom of the double-layer frame, an output end of the hydraulic cylinder extends to the inner wall of the double-layer frame and is slidingly connected to the double-layer frame, and the output end of the double-layer frame is fixedly connected to a movable plate.

[0009] Furthermore, the inner circular wall surface of the top of the movable plate is fixedly connected to a bearing, the inner wall of the bearing is fixedly connected to a rotating shaft, and the top end of the rotating shaft is fixedly connected to the rotating plate.

[0010] Furthermore, the positioning assembly includes a gear fixedly connected to the rotating shaft, two fixed rods are fixedly connected to the top of the movable plate, positioning plates are rotatably connected to the two fixed rods, and a spring is fixedly connected between the two positioning plates.

[0011] Furthermore, a slide groove is provided on the top of the movable plate, and the inner wall of the slide groove is slidably connected to a plurality of slide rods, and the tops of the plurality of slide rods are fixedly connected to the rotating plate, and the inner wall of the double-layer frame is fixedly connected to a plurality of screw rods, and the plurality of screw rods are slidably connected to the movable plate.

[0012] Furthermore, the detection mechanism includes a boosting component and a replacement component, the boosting component includes a gas boosting device fixedly connected to the top of the double-layer frame, the output end of the gas boosting device is fixedly connected to a connecting pipe, the end of the connecting pipe away from the gas boosting device is fixedly connected to a detection tube, and the bottom end of the detection tube extends to the interior of the double-layer frame and is fixedly connected to the double-layer frame.

[0013] Furthermore, the replacement component includes a threaded sleeve arranged at the bottom end of the detection tube, the threaded sleeve and the outer wall of the detection tube are fixedly connected with two connecting blocks, a bolt is threadedly connected between two corresponding ones of the several connecting blocks, and the threaded sleeve and the inner wall of the detection tube are fixedly connected with a sealing ring.

[0014] Furthermore, an airtightness detector is fixedly connected to the outer wall of the detection tube, and a display screen is fixedly connected to the front side of the double-layer frame.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting up an adjustment mechanism, the handle drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the internal thread block to move, the internal thread block drives the clamping block to clamp and fix the oil pump cover, and at the same time the hydraulic cylinder drives the moving plate to move, and the rotating plate is driven to rotate by the rotating shaft. The adjustment mechanism ensures that the oil pump cover maintains a stable position during the inspection process, which helps to obtain more accurate air tightness test results and prevents the oil pump cover from moving during the inspection process, thereby reducing impact and wear on the inspection equipment and extending the service life of the equipment.

[0017] 2. By setting up a detection mechanism, the gas booster device transmits gas to the detection tube through the connecting pipe, and the detection tube transmits gas to the oil pump cover through the threaded socket. The detection tube and the threaded connection socket are connected by threads and bolts. At the same time, the sealing ring prevents gas leakage from affecting the detection results. The detection tube and the threaded socket are made detachable and installable through bolts and connecting blocks. When detecting oil pump covers of different sizes, the corresponding threaded sockets can be replaced to connect with the oil pump cover, rather than being limited to products of a specific size, thereby improving the utilization rate of the equipment.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a rear view structural diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of a top-view cross-sectional structure of the utility model;

[0023] Figure 4 It is a right side cross-sectional structural schematic diagram of the present utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the detection tube of the utility model

[0025] Figure 6 For this utility model Figure 3 Schematic diagram of the enlarged structure of A;

[0026] Figure 7 For this utility model Figure 4 Schematic diagram of the enlarged structure of B.

[0027] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0028] 1. Double-layer frame; 2. Adjustment mechanism; 3. Detection mechanism; 21. Rotating plate; 22. Clamping frame; 23. Bidirectional threaded rod; 24. Internal thread block; 25. Clamping block; 26. Oil pump cover; 27. Support block; 28. Hydraulic cylinder; 29. Moving plate; 210. Handle; 211. Bearing; 212. Rotating shaft; 213. Gear; 214. Fixed rod; 215. Positioning plate; 216. Spring; 217. Slide; 218. Slide rod; 219. Screw; 31. Gas booster; 32. Connecting pipe; 33 Detection tube; 34. Threaded socket; 35. Connecting block; 36. Bolt; 37. Sealing ring; 38. Air tightness detector; 39. Display screen. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-7As shown, the utility model is an oil pump cover injection molding air tightness detection device, including a double-layer frame 1 and a rotating plate 21, the double-layer frame 1 is provided with an adjustment mechanism 2 and a detection mechanism 3, the adjustment mechanism 2 includes a fixing component, an adjustment component and a positioning component, the fixing component includes a clamping frame 22 fixedly connected to the top of the rotating plate 21, the right side of the clamping frame 22 is rotatably connected to a bidirectional threaded rod 23, the left end of the bidirectional threaded rod 23 extends to the interior of the clamping frame 22, the right end of the bidirectional threaded rod 23 is fixedly connected to a handle 210, the bidirectional threaded rod 23 is fixedly connected to the handle 210, and the bidirectional threaded rod 23 is fixedly connected to the handle 210. There are two internal thread blocks 24 threadedly connected to the rod 23, and the two internal thread blocks are slidably connected to the inner wall of the clamping frame 22. The tops of the two internal thread blocks 24 are fixedly connected to the clamping blocks 25, and an oil pump cover 26 is provided between the two clamping blocks 25. The adjustment assembly includes a support block 27 fixedly connected to the top of the double-layer frame 1, and a hydraulic cylinder 28 is fixedly connected to the bottom of the double-layer frame 1. The output end of the hydraulic cylinder 28 extends to the inner wall of the double-layer frame 1 and is slidably connected to the double-layer frame 1. The output end of the double-layer frame 1 is fixedly connected to a movable plate 29. The inner wall surface of the top of the plate 29 is fixedly connected with a bearing 211, the inner wall of the bearing 211 is fixedly connected with a rotating shaft 212, the top of the rotating shaft 212 is fixedly connected to the rotating plate 21, the positioning assembly includes a gear 213 fixedly connected to the rotating shaft 212, the top of the movable plate 29 is fixedly connected with two fixed rods 214, the two fixed rods 214 are rotatably connected with a positioning plate 215, a spring 216 is fixedly connected between the two positioning plates 215, the top of the movable plate 29 is provided with a slide groove 217, the inner wall of the slide groove 217 is slidably connected with a Several sliding rods 218, the tops of several sliding rods 218 are fixedly connected to the rotating plate 21, and several screw rods 219 are fixedly connected to the inner wall of the double-layer frame 1, and several screw rods 219 are slidably connected to the movable plate 29. By setting an adjustment mechanism to keep the oil pump cover in a stable position during the detection process, it helps to obtain more accurate air tightness detection results. At the same time, the moving paths of the rotating plate 21 and the movable plate 29 are limited to avoid unexpected situations in the moving paths of the rotating plate 21 and the movable plate 29, thereby causing damage to the entire equipment.

[0031] The detection mechanism 3 includes a boosting component and a replacement component. The boosting component includes a gas boosting device 31 fixedly connected to the top of the double-layer frame 1. The output end of the gas boosting device 31 is fixedly connected to a connecting pipe 32. The end of the connecting pipe 32 away from the gas boosting device 31 is fixedly connected to a detection tube 33. The bottom end of the detection tube 33 extends to the interior of the double-layer frame 1 and is fixedly connected to the double-layer frame 1. The replacement component includes a threaded socket 34 provided at the bottom end of the detection tube 33. The threaded socket 34 and the outer wall of the detection tube 33 are fixedly connected to two connecting blocks 35. , a bolt 36 is threadedly connected between two corresponding connection blocks 35, a sealing ring 37 is fixedly connected to the inner wall of the threaded socket 34 and the detection tube 33, an airtightness detector 38 is fixedly connected to the outer wall of the detection tube 33, and a display screen 39 is fixedly connected to the front side of the double-layer frame 1. The detection tube 33 and the threaded socket 34 are detachably installed through the detection mechanism. When testing oil pump covers 26 of different sizes, the corresponding threaded socket 34 can be replaced to connect with the oil pump cover 26, and it is not limited to products of a specific size.

[0032] A specific application of this embodiment is: put the oil pump cover 26 that needs to be inspected on the top of the clamping frame 22, turn the handle 210, the handle 210 drives the bidirectional threaded rod 23 to rotate, and when the bidirectional threaded rod 23 rotates, it drives the internal thread block 24 to move inside the clamping frame 22, and then drives the clamping block 25 to move, and then clamps and fixes the oil pump cover 26, so as to avoid the oil pump cover 26 from moving during the subsequent inspection of the oil pump cover 26, which affects the inspection effect of the oil pump cover 26. When the oil pump cover 26 is fixed, the hydraulic cylinder 28 is used to move the oil pump cover 26. Drive the moving plate 29 to move. When the moving plate 29 moves, the moving plate 29 is guided by the screw rod 219 to prevent the moving path of the moving plate 29 from deviating. When the moving plate 29 moves to the appropriate position, relative pressure is applied to the positioning plate 215, so that the spring 216 is compressed, thereby driving the end of the positioning plate 215 close to the rotating shaft 212 away from the gear 213, contacting the positioning plate 215 to lock the gear 213, thereby allowing the rotating shaft 212 to rotate on the inner wall of the bearing 211. When the bearing 211 rotates, The rotating plate 21 rotates, and when the rotating plate 21 rotates, the sliding rod 218 is driven to move in the sliding groove 217, providing support for the rotating plate 21 while also reducing the friction resistance of the rotating plate 21, thereby driving the components on the rotating plate 21 to rotate. When the oil pump cover 26 rotates, it is connected to the threaded socket 34 through a matching thread. After the oil pump cover 26 and the threaded socket 34 are connected, the gas booster 31 is started, and the gas booster 31 increases the pressure in the detection tube 33 through the connecting pipe 32, and then through the threaded socket The air is transmitted to the inside of the oil pump cover 26 by means of a leak detector 38, and the leak is then detected by means of a leak detector 38. The result is then displayed on a display screen 39. The detection tube 33 and the threaded sleeve 34 are connected together by means of a connecting block 35 and a bolt 36, so that the threaded sleeve 34 can be disassembled and installed. When it is necessary to detect oil pump covers 26 of different sizes, the corresponding detection tube 33 can be installed. The sealing ring 37 seals the connection between the detection tube 33 and the threaded sleeve 34 to prevent air pressure leakage from the connection.

[0033] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An oil pump cover injection molded part air tightness detection device, comprising a double-layer frame (1) and a rotating plate (21), characterized in that: The double-layer frame (1) is provided with an adjustment mechanism (2) and a detection mechanism (3); The adjusting mechanism (2) includes a fixing component, an adjusting component and a positioning component. The fixing component includes a clamping frame (22) fixedly connected to the top of the rotating plate (21). The right side of the clamping frame (22) is rotatably connected to a bidirectional threaded rod (23). The left end of the bidirectional threaded rod (23) extends to the inside of the clamping frame (22). The right end of the bidirectional threaded rod (23) is fixedly connected to a handle (210). Two internal thread blocks (24) are threadedly connected to the bidirectional threaded rod (23). Both internal thread blocks are slidably connected to the inner wall of the clamping frame (22). The tops of the two internal thread blocks (24) are fixedly connected to a clamping block (25). An oil pump cover (26) is provided between the two clamping blocks (25).

2. The oil pump cover injection molded part air tightness detection device according to claim 1, characterized in that: The adjustment assembly comprises a support block (27) fixedly connected to the top of the double-layer frame (1); a hydraulic cylinder (28) is fixedly connected to the bottom of the double-layer frame (1); an output end of the hydraulic cylinder (28) extends to the inner wall of the double-layer frame (1) and is slidably connected to the double-layer frame (1); and a movable plate (29) is fixedly connected to the output end of the double-layer frame (1).

3. The oil pump cover injection molded part air tightness detection device according to claim 2, characterized in that: The inner circular wall surface of the top of the movable plate (29) is fixedly connected to a bearing (211), the inner wall of the bearing (211) is fixedly connected to a rotating shaft (212), and the top end of the rotating shaft (212) is fixedly connected to the rotating plate (21).

4. The oil pump cover injection molded part air tightness detection device according to claim 3, characterized in that: The positioning assembly includes a gear (213) fixedly connected to a rotating shaft (212); two fixed rods (214) are fixedly connected to the top of the movable plate (29); positioning plates (215) are rotatably connected to the two fixed rods (214); and a spring (216) is fixedly connected between the two positioning plates (215).

5. The oil pump cover injection molded part air tightness detection device according to claim 4, characterized in that: A sliding groove (217) is provided on the top of the movable plate (29), and a plurality of sliding rods (218) are slidably connected to the inner wall of the sliding groove (217), and the tops of the plurality of sliding rods (218) are fixedly connected to the rotating plate (21), and a plurality of screw rods (219) are fixedly connected to the inner wall of the double-layer frame (1), and the plurality of screw rods (219) are slidably connected to the movable plate (29).

6. The oil pump cover injection molded part air tightness detection device according to claim 5, characterized in that: The detection mechanism (3) includes a boosting component and a replacement component. The boosting component includes a gas boosting device (31) fixedly connected to the top of the double-layer frame (1). The output end of the gas boosting device (31) is fixedly connected to a connecting pipe (32). The end of the connecting pipe (32) away from the gas boosting device (31) is fixedly connected to a detection tube (33). The bottom end of the detection tube (33) extends to the interior of the double-layer frame (1) and is fixedly connected to the double-layer frame (1).

7. The oil pump cover injection molded part air tightness detection device according to claim 6, characterized in that: The replacement assembly comprises a threaded sleeve (34) arranged at the bottom end of the detection tube (33), the threaded sleeve (34) and the outer wall of the detection tube (33) are fixedly connected with two connecting blocks (35), a bolt (36) is threadedly connected between two corresponding ones of the plurality of connecting blocks (35), and the threaded sleeve (34) and the inner wall of the detection tube (33) are fixedly connected with a sealing ring (37).

8. The oil pump cover injection molded part air tightness detection device according to claim 7, characterized in that: An airtightness detector (38) is fixedly connected to the outer wall of the detection tube (33), and a display screen (39) is fixedly connected to the front side of the double-layer frame (1).

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