Check valve fixing test module
By designing a one-way valve fixing test module, the one-way valve is fixed by a clamping cylinder and an ejecting cylinder, and the air tightness test is carried out in both directions through the air supply pipeline. This solves the problems of long testing time and poor accuracy in the existing technology, and realizes efficient and accurate testing of pneumatic one-way valves.
Patent Information
- Application Number
- CN202423226238.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing technologies lack specialized equipment to assist in the testing of pneumatic check valves with reverse opening functions, resulting in long testing times and poor accuracy, which cannot meet the needs of social development.
A one-way valve fixing test module is designed, which uses a clamping cylinder and a ejecting cylinder to fix the one-way valve, and provides test pressure through multiple air supply lines to realize the forward and reverse air tightness test of the one-way valve. The test process is fully mechanized.
It enables efficient and accurate detection of pneumatic check valves, reduces manual intervention, and improves detection efficiency and accuracy.
Smart Images
Figure CN223650171U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to one -way valve test equipment technical field especially relates to a one -way valve fixed test module. BACKGROUND
[0002] The pneumatic one -way valve with reverse opening function can only make compressed air flow single, and cannot backflow reversely, if needing reverse opening, other mechanism needs to be used to control opening, and the application field is very wide, the one -way valve needs to be detected after production, and the detection frequency is 100%, in order to ensure the full -function detection of the pneumatic one -way valve with reverse opening function, at present, the detection process of the pneumatic one -way valve with reverse opening function is assisted by no professional detection equipment, and is detected by single hand -controlled pneumatic detection loop and manual operation, which causes long detection time and poor precision, with the continuous development of society and the increase of labor cost, the demand of social development cannot be met. UTILITY MODEL CONTENTS
[0003] The utility model solves the technical problem of overcoming the defects in the prior art, and provides a one -way valve fixed test module, which is used for assisting the test process of the pneumatic one -way valve with reverse opening function, avoiding manual reversing to complete the one -way valve performance test process, and simultaneously considering the test fixation of the one -way valve.
[0004] In order to solve the above technical problems, the utility model adopts the technical scheme of a one -way valve fixed test module, which comprises a workbench, a pressing cylinder and a ejection cylinder oppositely arranged on the workbench, the pressing cylinder and the ejection cylinder are located on the same axis, a one -way valve is fixed between the pressing cylinder and the ejection cylinder, and a gas path channel for providing test pressure for the one -way valve is arranged on the side of the pressing cylinder and the ejection cylinder facing the one -way valve.
[0005] Further, the ejection cylinder comprises an ejection cylinder body, a piston rod and a rear cover, a groove body for reciprocating movement of the piston rod is formed in the ejection cylinder body, the piston rod is movably fixed in the groove body with the rear cover, a first gas pipeline is formed through the thickness direction of the ejection cylinder body, and the output end of the first gas pipeline is close to the end of the piston rod.
[0006] Further, the piston rod is of a stepped structure and comprises a rod segment, a rod body segment and a stress segment, the diameters of the rod segment, the rod body segment and the stress segment increase in sequence, the groove body comprises a first groove body segment and a second groove body segment, the first groove body segment has the same width as the rod body segment, the second groove body segment has the same width as the stress segment, the length of the second groove body segment is greater than the length of the stress segment, and the output end of the first gas pipeline is located on the first groove body segment.
[0007] Further, a sealing ring and a guide sleeve are fixedly arranged on the outer edge of the stress section.
[0008] Further, a second gas pipeline is arranged through the thickness direction of the cylinder body, and the output end of the second gas pipeline is located on the second groove section.
[0009] Further, a third gas pipeline is arranged in the rear cover, and the output end of the third gas pipeline faces the piston rod.
[0010] Further, the pressing cylinder comprises a pressing cylinder body, a front cover, a piston and a piston rod, the pressing cylinder body is a hollow structure, the pressing cylinder body is closed by the front cover, the piston is located in the pressing cylinder body, the piston rod is fixedly connected with the pressing cylinder body through the thickness direction of the front cover, and a pressing head for cooperating with the fixed check valve of the ejecting cylinder is fixed at the other end of the piston rod.
[0011] Further, a fourth gas pipeline is arranged in the pressing head, the output end of the fourth gas pipeline faces the ejecting cylinder, and the input end of the fourth gas pipeline is located on the outer edge surface of the pressing head, and a straight-through connector is fixedly arranged on the side surface of the pressing head based on the input end of the fourth gas pipeline.
[0012] Compared with the prior art, the beneficial effects of the utility model include: after the fixed check valve is fixed by the pressing cylinder and the ejecting cylinder, the forward and reverse air tightness test process of the fixed check valve is completed by the first gas pipeline and the fourth gas pipeline, and the advance and retreat of the ejecting cylinder is regulated and controlled by the second gas pipeline and the third gas pipeline, which helps to ensure that the test conditions of the check valve test process are consistent, and the test process can be completely mechanically controlled without manual intervention. BRIEF DESCRIPTION OF DRAWINGS
[0013] The disclosure of the utility model will be explained with reference to the drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings, the same reference signs are used to refer to the same parts. Among them:
[0014] Figure 1 The overall cross-sectional structure of the fixed check valve test module is schematically shown. In the figure, 1 is a workbench, 2 is a pressing cylinder, 21 is a pressing cylinder body, 22 is a front cover, 23 is a piston rod, 24 is a fourth gas pipeline, 25 is a pressing head, 3 is an ejecting cylinder, 31 is an ejecting cylinder body, 32 is a piston rod, 321 is a rod section, 322 is a rod body section, 323 is a stress section, 33 is a rear cover, 34 is a first gas pipeline, 35 is a second gas pipeline, and 36 is a third gas pipeline. DETAILED DESCRIPTION
[0015] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0016] A one-way valve fixed test module, such as Figure 1 As shown, the device includes a workbench 1 and a clamping cylinder 2 and an ejecting cylinder 3 arranged opposite to each other on the workbench 1. The clamping cylinder 2 and the ejecting cylinder 3 are located on the same axis. A one-way valve is located between the clamping cylinder 2 and the ejecting cylinder 3 and is fixed by the clamping cylinder 2 and the ejecting cylinder 3. Both the clamping cylinder 2 and the ejecting cylinder 3 have air passages on the side facing the one-way valve to provide test pressure for the one-way valve.
[0017] The ejector cylinder 3 is described in detail below. The ejector cylinder 3 includes an ejector cylinder body 31, a piston rod 32, and a rear cover 33. A groove is provided in the ejector cylinder body 31 for the piston rod 32 to reciprocate. The piston rod 32 is movably fixed in the groove by the rear cover 33. A first air supply pipe 34 is provided through the thickness direction of the ejector cylinder body 31. The first air supply pipe 34 is close to the end of the piston rod 32. Through the first air supply pipe 34, test pressure can be provided to the one-way valve under test based on the end of the piston rod 32 to complete part of the test process.
[0018] The aforementioned piston rod 32 has a stepped structure, including a rod section 321, a rod section 322, and a force-bearing section 323. The diameters of the rod section 321, rod section 322, and force-bearing section 323 increase sequentially. The groove includes a first groove section and a second groove section. The width of the first groove section is the same as that of the rod section 322, allowing the rod section 322 of the piston rod 32 to reciprocate within the first groove section and to be limited by the first groove section. The width of the second groove section is the same as that of the force-bearing section 323, and the length of the second groove section is greater than that of the force-bearing section 323, so that the groove can meet the movement requirements of the rod section 321, rod section 322, and force-bearing section 323 of the piston rod 32. The output end of the first air supply line 34 is located above the first groove section, providing test pressure to the one-way valve when the ejector cylinder 3 is not applying pressure to it.
[0019] It is worth mentioning that the second gas pipeline 35 is arranged in the thickness direction of the cylinder body, the output end of the second gas pipeline 35 is located above the second groove body section, and the second gas pipeline 35 is used for supplying pressure to the rod body section 322 of the piston rod 32, so that the piston rod 32 is pushed away from the side of the compression cylinder 2; the third gas pipeline 36 is arranged in the rear cover 33, and the output end of the third gas pipeline 36 faces the piston rod 32, so that the third gas pipeline 36 is used for supplying pressure to the end of the piston rod 32, so that the piston rod 32 is pushed to move towards the compression cylinder 2. In order to ensure the air tightness in the groove body, especially the air tightness of the second groove body section, the sealing ring and the guide sleeve are fixedly arranged on the outer edge of the stress section 323, so as to ensure the reciprocating movement of the piston rod 32 in the groove body under the control of the second gas pipeline 35 and the third gas pipeline 36.
[0020] The compression cylinder 2 will be specifically described below. The compression cylinder 2 comprises a compression cylinder body 21, a front cover 22, a piston and a piston rod 23. The compression cylinder body 21 is a hollow structure, and the front cover 22 is used for sealing the compression cylinder body 21. The piston is located in the compression cylinder body 21, and the piston rod 23 is fixedly connected with the compression cylinder body 21 in the thickness direction of the front cover 22. The compression head 25 for cooperating with the one-way valve of the ejection cylinder 3 is fixedly arranged on the other end of the piston rod 23.
[0021] The fourth gas pipeline 24 is arranged in the compression head 25, the output end of the fourth gas pipeline 24 faces the ejection cylinder 3, and the input end of the fourth gas pipeline 24 is located on the outer edge surface of the compression head 25. The end straight-through connector is fixedly arranged on the side surface of the compression head 25 based on the input end of the fourth gas pipeline 24. The test pressure is provided for the one-way valve fixed by the compression cylinder 2 and the ejection cylinder 3 through the fourth gas pipeline 24 by the end straight-through connector, so as to complete the test process.
[0022] After the compression cylinder 2 and the ejection cylinder 3 are arranged to fix the one-way valve, the forward and reverse air tightness test process of the one-way valve is completed by the first gas pipeline 34 and the fourth gas pipeline 24, and the advance and retreat of the ejection cylinder 3 is controlled by the second gas pipeline 35 and the third gas pipeline 36, which helps to ensure that the test conditions of the one-way valve test process are consistent, and the test process can be completely controlled mechanically without manual intervention.
[0023] The technical scope of the utility model is not limited to the content in the foregoing description, and those skilled in the art can make various deformations and modifications to the foregoing embodiments without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.
Claims
1. A one-way valve fixing test module, characterized in that, It includes a workbench (1) and a clamping cylinder (2) and an ejection cylinder (3) arranged opposite to each other on the workbench (1). The clamping cylinder (2) and the ejection cylinder (3) are located on the same axis. A one-way valve is fixed between the clamping cylinder (2) and the ejection cylinder (3). Both the clamping cylinder (2) and the ejection cylinder (3) are provided with air passages for providing test pressure to the one-way valve on the side facing the one-way valve.
2. The one-way valve fixing test module according to claim 1, characterized in that, The ejector cylinder (3) includes an ejector cylinder body (31), a piston rod (32), and a rear cover (33). A groove is provided in the ejector cylinder body (31) for the piston rod (32) to reciprocate. The piston rod (32) is movably fixed in the groove by the rear cover (33). A first air supply pipe (34) is provided through the thickness direction of the ejector cylinder body (31). The output end of the first air supply pipe (34) is close to the end of the piston rod (32).
3. The one-way valve fixing test module according to claim 2, characterized in that, The piston rod (32) has a stepped structure, including a rod section (321), a rod section (322), and a force-bearing section (323). The diameters of the rod section (321), rod section (322), and force-bearing section (323) increase sequentially. The groove includes a first groove section and a second groove section. The width of the first groove section is the same as that of the rod section (322), and the width of the second groove section is the same as that of the force-bearing section (323). The length of the second groove section is greater than that of the force-bearing section (323). The output end of the first gas supply pipeline (34) is located above the first groove section.
4. The one-way valve fixing test module according to claim 3, characterized in that, A sealing ring and a guide sleeve are fixedly provided on the outer edge of the force-bearing section (323).
5. The one-way valve fixing test module according to claim 3, characterized in that, A second air supply pipe (35) is provided through the thickness direction of the cylinder body, and the output end of the second air supply pipe (35) is located above the second tank section.
6. The one-way valve fixing test module according to claim 2, characterized in that, A third gas supply line (36) is provided in the rear cover (33), and the output end of the third gas supply line (36) faces the piston rod (32).
7. The one-way valve fixing test module according to claim 1, characterized in that, The clamping cylinder (2) includes a clamping cylinder body (21), a front cover (22), a piston, and a piston rod (23). The clamping cylinder body (21) is a hollow structure and is closed by the front cover (22). The piston is located in the clamping cylinder body (21). The piston rod (23) passes through the thickness direction of the front cover (22) and is fixedly connected to the clamping cylinder body (21). At the other end of the piston rod (23), a clamping head (25) is fixed for cooperating with the ejector cylinder (3) to fix the one-way valve.
8. The one-way valve fixing test module according to claim 7, characterized in that, A fourth air supply line (24) is provided in the pressing head (25). The output end of the fourth air supply line (24) faces the ejector cylinder (3), and the input end of the fourth air supply line (24) is located on the outer edge surface of the pressing head (25). A straight-through connector is fixedly provided on the side of the pressing head (25) based on the input end of the fourth air supply line (24).