Control valve sealing detection equipment

Abstract

The utility model discloses a sealing detection device for a control valve, which relates to the technical field of compressors and comprises a box body, a plurality of supporting columns arranged on one side of the box body, partition plates arranged at the tops of the supporting columns, a plurality of partition plates connected with one another, cylinders arranged inside the partition plates, and a plurality of layers of connecting blocks arranged on the side surfaces of the cylinders. A push rod is arranged at the bottom of the air cylinder, a detection table is arranged on one side of the top face of the box body, and the circle center of the detection table coincides with the circle center of the push rod. A sealing plug is arranged above the detection table, the circle center of the sealing plug coincides with the circle center of the detection table, connecting rods are arranged on the two sides of the sealing plug, a fixing base is arranged on the top face of the box body and located below the two partition plates perpendicular to the partition plate where the control display screen is located, a hydraulic rod is arranged on a top plate of the fixing base, and the top of the hydraulic rod is connected with the connecting rods. According to the sealing detection equipment for the control valve provided by the utility model, the air cylinder and the hydraulic rod are arranged, so that automatic pressing and automatic returning are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of compressors, in particular to a control valve sealing detection device. Background Art

[0002] The compressor is a driven fluid machine that boosts low-pressure gas to high-pressure gas. It is the heart of the refrigeration system. It sucks low-temperature, low-pressure refrigerant gas from the suction pipe, compresses it through the motor, and discharges high-temperature, high-pressure refrigerant gas to the exhaust pipe, providing power for the refrigeration cycle.

[0003] The compressor has high requirements for the sealing of the internal control valve. Since the size of the vehicle air-conditioning compressor is small, the control valve of the compressor is also correspondingly small. The existing detection equipment requires manual installation of the sealing plug. The smaller control valve is difficult and time-consuming to install during the installation process, which in turn affects the production of the compressor.

[0004] Therefore, a control valve sealing detection device is provided to realize automatic installation of the sealing plug and improve the production efficiency of the compressor. Utility Model Content

[0005] Therefore, the purpose of the utility model is to provide a control valve sealing detection device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a control valve sealing detection device, which includes a box body, a plurality of support columns are arranged on one side of the box body, a partition is arranged on the top of the support column, the plurality of partitions are connected to each other, a cylinder is arranged inside the partition, a multi-layer connecting block is arranged on the side of the cylinder, the other end of the connecting block is connected to the inner wall of the partition, a push rod is arranged at the bottom of the cylinder, a detection platform is arranged on one side of the top surface of the box body, and the center of the detection platform coincides with the center of the push rod; a sealing plug is arranged above the detection platform, and the center of the sealing plug coincides with the center of the detection platform, connecting rods are arranged on both sides of the sealing plug, and a fixing seat is arranged on the top surface of the box body below two partitions perpendicular to the partition where the control display screen is located, and a hydraulic rod is arranged on the top plate of the fixing seat, and the top of the hydraulic rod is connected to the connecting rod.

[0007] As a preferred solution of the control valve sealing detection equipment described in the utility model, wherein: a plurality of control buttons are evenly arranged on the other side of the top surface of the box body, a control display screen is arranged on the partition facing the control buttons, two connecting rods are parallel to the partition where the control display screen is located, and the other end of the connecting rod is flush with the outer side surface of the partition.

[0008] As a preferred solution of a control valve sealing detection device described in the utility model, a detection hole is arranged at the top of the detection platform, a sealing hole is arranged at the bottom end of the sealing plug, an air outlet hole is arranged on the side of the sealing hole of the sealing plug, and the air outlet hole runs through one side of the detection platform.

[0009] As a preferred solution of a control valve sealing detection device described in the utility model, an air guide rod is arranged on the outside of the detection platform, the air guide rod is perpendicular to the partition where the control display screen is located, an air guide hole is arranged inside the air guide rod, one end of the air guide hole is connected to the air outlet, and the size of the air outlet is the same as that of the air guide hole.

[0010] As a preferred solution of a control valve sealing detection device described in the utility model, wherein: a detection tube is provided at the other end of the air guide hole, an air inlet hole is provided at one end of the detection tube, the air inlet hole is fitted with the air guide hole, a push plate is provided inside the detection tube, a constant pressure air chamber is provided on the side of the push plate facing away from the air inlet hole, a connecting platform is provided at the other end of the constant pressure air chamber, and the connecting platform is fixed in the end face of the other end of the detection tube.

[0011] As a preferred solution of the control valve sealing detection device described in the utility model, the size of the push plate is the same as the inner diameter of the detection tube, and a part of the side wall of the detection tube is suitable for transparent material.

[0012] As a preferred solution of the control valve sealing detection device described in the utility model, the size of the push rod is larger than the size of the sealing plug.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a control valve sealing detection device, which realizes automatic pressing and automatic retreat by arranging a cylinder and a hydraulic rod.

[0015] 2. The utility model provides a control valve sealing detection device, which detects the gas flow of the control valve and determines the sealing performance of the control valve by setting a sealing hole and a detection tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of a control valve sealing detection device of the utility model;

[0018] Figure 2This is a top view of a control valve sealing detection device of the utility model;

[0019] Figure 3 This is a partial structural diagram of a control valve sealing detection device of the utility model. Figure 1 ;

[0020] Figure 4 This is a partial structural diagram of a control valve sealing detection device of the utility model. Figure 2 ;

[0021] Figure 5 This is a partial structural diagram of a control valve sealing detection device of the utility model. Figure 3 ;

[0022] Figure 6 The utility model is a schematic diagram of the internal structure of a detection tube of a control valve sealing detection device.

[0023] Description of reference numerals:

[0024] 1. Box body; 11. Support column; 12. Partition; 13. Control button; 14. Display screen; 2. Cylinder; 21. Connecting block; 22. Push rod; 3. Inspection table; 31. Inspection hole; 32. Sealing plug; 33. Connecting rod; 34. Air guide rod; 35. Fixed seat; 36. Hydraulic rod; 4. Sealing hole; 41. Air outlet; 42. Air guide hole; 5. Inspection tube; 51. Air inlet; 52. Push plate; 53. Constant pressure gas chamber; 54. Connecting table. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] Reference Figure 1-6 , a control valve sealing detection device provided by the utility model, this control valve sealing detection device includes a box body 1, a plurality of support columns 11 are arranged on one side of the box body 1, a partition 12 is arranged on the top of the support column 11, and the plurality of partitions 12 are connected to each other, a cylinder 2 is arranged inside the partition 12, a multi-layer connecting block 21 is arranged on the side of the cylinder 2, the other end of the connecting block 21 is connected to the inner wall of the partition 12, a push rod 22 is arranged at the bottom of the cylinder 2, a detection platform 3 is arranged on one side of the top surface of the box body 1, and the center of the detection platform 3 coincides with the center of the push rod 22; a sealing plug 32 is arranged above the detection platform 3, and the center of the sealing plug 32 coincides with the center of the detection platform 3, and connecting rods 33 are arranged on both sides of the sealing plug 32, and a fixing seat 35 is arranged on the top surface of the box body 1 below the two partitions 12 perpendicular to the partition 12 where the control display screen 14 is located, and a hydraulic rod 36 is arranged on the top plate of the fixing seat 35, and the top of the hydraulic rod 36 is connected to the connecting rod 33.

[0027] Specifically, a plurality of support columns 11 are provided on one side of the box body 1, a partition 12 is provided on the top of the support column 11, and the plurality of partitions 12 are connected to each other, and an independent space is formed above the box body 1 through the support columns 11 and the partition 12; a cylinder 2 is provided inside the partition 12, a multi-layer connection block 21 is provided on the side of the cylinder 2, and the other end of the connection block 21 is connected to the inner wall of the partition 12, and a push rod 22 is provided at the bottom of the cylinder 2, and the cylinder 2 is fixed inside the partition 12 through the connection block 21, and pressure can be applied downward by driving the push rod 22; a detection table 3 is provided on one side of the top surface of the box body 1, and the center of the detection table 3 is aligned with the center of the push rod 22 Overlap, a sealing plug 32 is arranged above the testing platform 3, the center of the sealing plug 32 coincides with the center of the testing platform 3, connecting rods 33 are arranged on both sides of the sealing plug 32, and pressure can be evenly applied to the sealing plug 32 through the push rod 22; a fixing seat 35 is arranged on the top surface of the box body 1 under the two partitions 12 which are perpendicular to the partition 12 where the control display screen 14 is located, and a hydraulic rod 36 is arranged on the top plate of the fixing seat 35, and the top of the hydraulic rod 36 is connected to the connecting rod 33. When the push rod 22 applies pressure, the sealing plug 32 is supported and buffered by the fixing seat 35 and the hydraulic rod 36, and the sealing plug 32 is driven to rise when the push rod 22 moves upward.

[0028] A plurality of control buttons 13 are evenly arranged on the other side of the top surface of the box body 1, and a control display screen 14 is arranged on the partition 12 facing the control buttons 13. Two connecting rods 33 are parallel to the partition 12 where the control display screen 14 is located, and the other end of the connecting rod 33 is flush with the outer side surface of the partition 12.

[0029] Specifically, all systems on the box 1 are controlled by the control button 13 , and displayed in real time by the control display screen 14 .

[0030] The top of the detection platform 3 is provided with a detection hole 31 , the bottom of the sealing plug 32 is provided with a sealing hole 4 , and the sealing plug 32 is provided with an air outlet 41 on the side of the sealing hole 4 , and the air outlet 41 runs through one side of the detection platform 3 .

[0031] Specifically, the control valve is installed through the detection hole 31, and air is ventilated to one end of the control valve through the detection hole 31; the other end of the control valve is fixed through the sealing hole 4 and sealed with the outside, and an air passage is formed at both ends of the control valve through the air outlet hole 41.

[0032] An air guide rod 34 is arranged on the outside of the testing table 3, and the air guide rod 34 is perpendicular to the partition 12 where the control display screen 14 is located. An air guide hole 42 is arranged inside the air guide rod 34, and one end of the air guide hole 42 is connected to the air outlet hole 41, and the size of the air outlet hole 41 is the same as that of the air guide hole 42.

[0033] Specifically, the air passage is extended through the air guide holes 42 on the air guide rod 34 .

[0034] A detection tube 5 is provided at the other end of the air guide hole 42, and an air inlet hole 51 is provided at one end of the detection tube 5. The air inlet hole 51 is fitted with the air guide hole 42. A push plate 52 is provided inside the detection tube 5, and a constant-pressure air chamber 53 is provided on the side of the push plate 52 facing away from the air inlet hole 51. A connecting platform 54 is provided at the other end of the constant-pressure air chamber 53, and the connecting platform 54 is fixed inside the end face of the other end of the detection tube 5.

[0035] Specifically, the air injected into the control valve through the detection hole 31 passes through the sealing hole 4, the air outlet hole 41, the air guide hole 42 and the air inlet hole 51, and enters the detection tube 5, generating a thrust on the push plate 52, pushing the constant pressure air chamber 53 at the other end of the push plate 52 to contract.

[0036] The size of the push plate 52 is the same as the inner diameter of the detection tube 5 , and a portion of the side wall of the detection tube 5 is suitable for transparent material.

[0037] Specifically, a closed space is formed inside the detection tube 5 by the push plate 52; a scale is set at the side wall of the detection tube 5 made of transparent material to observe the length of the constant pressure gas chamber 53, and then determine whether the sealing of the control valve is good.

[0038] The push rod 22 has a size greater than that of the sealing plug 32 .

[0039] Specifically, the push rod 22 can cover the sealing plug 32 and a portion of the connecting rod 33, so that the sealing plug 32 is subjected to more uniform force.

[0040] During use, one end of the control valve is placed in the detection hole 31, and the control push rod 22 pushes the sealing plug 32 downward to seal the sealing hole 4 and the other end of the control valve, and then the detection platform 3 is controlled to ventilate the interior of the detection hole 31. The gas passes through the control valve, the sealing hole 4, the air outlet 41, the air guide hole 42 and the air inlet 51, and enters the detection tube 5, generating a thrust on the push plate 52, pushing the constant pressure gas chamber 53 at the other end of the push plate 52 to contract, marking the scale on the side wall of the transparent part of the detection tube 5, measuring the contraction distance of the constant pressure gas chamber 53, and then judging whether the sealing of the control valve is good; after the detection is completed, the push rod 22 rises, and the hydraulic rod 36 pushes the detection platform 3 to rise, completing the detection cycle; the entire device adopts a modular design and can be connected in parallel according to the output.

[0041] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A control valve sealing detection device, comprising a housing (1), characterized in that: A plurality of support columns (11) are arranged on one side of the box body (1), a partition (12) is arranged on the top of the support column (11), the plurality of partitions (12) are connected to each other, a cylinder (2) is arranged inside the partition (12), a multi-layer connection block (21) is arranged on the side of the cylinder (2), the other end of the connection block (21) is connected to the inner wall of the partition (12), a push rod (22) is arranged at the bottom of the cylinder (2), and a detection platform (3) is arranged on one side of the top surface of the box body (1), the center of the detection platform (3) is aligned with the push rod (22). The center of the circle of the rod (22) coincides; a sealing plug (32) is arranged above the detection platform (3), the center of the circle of the sealing plug (32) coincides with the center of the circle of the detection platform (3), connecting rods (33) are arranged on both sides of the sealing plug (32), and a fixing seat (35) is arranged on the top surface of the box body (1) below two partitions (12) perpendicular to the partition (12) where the control display screen (14) is located, and a hydraulic rod (36) is arranged on the top plate of the fixing seat (35), and the top of the hydraulic rod (36) is connected to the connecting rod (33).

2. A control valve sealing detection device according to claim 1, characterized in that: A plurality of control buttons (13) are evenly arranged on the other side of the top surface of the box body (1), a control display screen (14) is arranged on the partition (12) facing the control buttons (13), two connecting rods (33) are parallel to the partition (12) where the control display screen (14) is located, and the other end of the connecting rod (33) is flush with the outer side surface of the partition (12).

3. A control valve sealing detection device according to claim 2, characterized in that: The top end of the detection platform (3) is provided with a detection hole (31), the bottom end of the sealing plug (32) is provided with a sealing hole (4), and the sealing plug (32) is provided with an air outlet hole (41) on the side of the sealing hole (4), and the air outlet hole (41) runs through one side of the detection platform (3).

4. A control valve sealing detection device according to claim 3, characterized in that: An air guide rod (34) is arranged on the outside of the testing platform (3), the air guide rod (34) being perpendicular to the partition (12) where the control display screen (14) is located, an air guide hole (42) is arranged inside the air guide rod (34), one end of the air guide hole (42) is connected to the air outlet hole (41), and the size of the air outlet hole (41) is the same as the size of the air guide hole (42).

5. A control valve sealing detection device according to claim 4, characterized in that: A detection tube (5) is arranged at the other end of the air guide hole (42); an air inlet hole (51) is arranged at one end of the detection tube (5); the air inlet hole (51) is fitted with the air guide hole (42); a push plate (52) is arranged inside the detection tube (5); a constant pressure gas chamber (53) is arranged on the side of the push plate (52) facing away from the air inlet hole (51); a connecting platform (54) is arranged at the other end of the constant pressure gas chamber (53); and the connecting platform (54) is fixed inside the end surface of the other end of the detection tube (5).

6. A control valve sealing detection device according to claim 5, characterized in that: The size of the push plate (52) is the same as the inner diameter of the detection tube (5), and a portion of the side wall of the detection tube (5) is suitable for transparent material.

7. A control valve sealing detection device according to claim 1, characterized in that: The size of the push rod (22) is larger than the size of the sealing plug (32).

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