Reverse osmosis membrane air tightness detection device
By using an electric push rod to drive the rack and pinion mechanism, the reverse osmosis membrane can be securely clamped and its adaptability tested. This solves the problem of insufficient adaptability of existing devices to membranes of different specifications and improves the stability and accuracy of the test.
Patent Information
- Application Number
- CN202520319044.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing reverse osmosis membrane airtightness testing devices lack flexibility in clamping and fixing, making it difficult to adapt to reverse osmosis membranes of different lengths and diameters, resulting in inaccurate and unstable test results.
An electric push rod drives a rack, and the movement of the rack, bottom block, top block and clamping block achieves clamping and limiting of both ends of the reverse osmosis membrane. The clamping block stretches the slide bar to adapt to membranes of different diameters, and a special sealing head is used to test the air tightness.
It improves the device's adaptability to reverse osmosis membranes of different specifications, ensures stability and accuracy during the testing process, and is simple and efficient to operate.
Smart Images
Figure CN223710929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the air tightness detection technical field of reverse osmosis membrane, especially to a reverse osmosis membrane air tightness detection device. BACKGROUND
[0002] In modern industrial production and daily life, reverse osmosis membranes are widely used in many fields such as seawater desalination, sewage treatment, pure water preparation, etc. The performance of the reverse osmosis membrane directly affects the operation effect and output water quality of the related system. As one of the key performance indicators of the reverse osmosis membrane, air tightness has a decisive influence on the working efficiency and service life of the reverse osmosis membrane.
[0003] The existing part of the device is simple in structure and lacks flexibility when clamping and fixing the reverse osmosis membrane, and it is difficult to adapt to reverse osmosis membranes of different lengths and diameters. This leads to the fact that the reverse osmosis membrane is prone to shaking or not being fixed firmly during the detection process, resulting in inaccurate detection results and failing to truly reflect the air tightness of the reverse osmosis membrane. To solve this technical problem, the present application provides a reverse osmosis membrane air tightness detection device. SUMMARY
[0004] The utility model discloses a reverse osmosis membrane air tightness detection device, which can clamp and fix the two ends of the reverse osmosis membrane body through the electric push rod, the bottom block, the top block and the clamping block, realize the clamping and limiting of reverse osmosis membranes of different lengths, effectively improve the adaptability of the device to reverse osmosis membranes of different specifications, ensure that the reverse osmosis membrane body does not shake during the detection process, greatly enhance the detection stability, and meet the diversified detection needs. The device can not only fix the two ends of the reverse osmosis membrane body through the clamping block, but also stretch the slide rod by pulling the two clamping blocks on the same side, so as to adapt to reverse osmosis membranes of different diameters. The special sealing head is used to block the two ends of the reverse osmosis membrane body, and the air tightness detection can be carried out by connecting the air pump, which is simple and efficient, and provides great convenience for the air tightness detection of the reverse osmosis membrane body.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A reverse osmosis membrane air tightness detection device, comprising a workbench, a bottom plate is fixedly connected to the front top of the workbench, an air pump is installed at the rear top of the workbench, a groove is formed in the top of the bottom plate, a gear is arranged on the inner wall of the middle part of the groove, two racks are connected with the outer wall of the gear, the front rack is connected with the inner wall of the groove through a sliding assembly, a bottom block is fixedly connected to the end of the rack away from the gear, a supporting block is fixedly connected to the top of the bottom block, a top block is fixedly connected to the top of the supporting block, and a reverse osmosis membrane body is connected with the outer wall of the top block through a clamping assembly.
[0007] Further, the clamping assembly comprises a sliding rod fixedly connected to the outer wall of the top block, and the outer wall of the sliding rod is slidingly connected with two clamping blocks, the proximal side of the two clamping blocks is provided with a spring, one end of the spring is connected with one of the clamping blocks, and the other end of the spring is connected with the other clamping block.
[0008] Further, the sliding assembly comprises a lower sliding rail one slidingly connected to the middle of the rack on the front side, the top of the lower sliding rail one is provided with an upper sliding rail one, the upper sliding rail one is slidingly connected with the bottom block on the left side, the rear of the lower sliding rail one is provided with a lower sliding rail two, the lower sliding rail two is slidingly connected with the left end of the rack on the front side, the top of the lower sliding rail two is provided with an upper sliding rail two, and the upper sliding rail two is slidingly connected with the rack on the rear side.
[0009] Further, the left inner wall of the groove is provided with an electric push rod, and the driving end of the electric push rod is fixedly connected to the rack on the front side.
[0010] Further, the lower sliding rail one, the upper sliding rail one, the upper sliding rail two and the lower sliding rail two are fixedly connected with the inner wall of the groove, wherein the lower sliding rail one and the upper sliding rail one are located on the front side of the groove, and the lower sliding rail two and the upper sliding rail two are located on the rear side of the groove.
[0011] Further, the outer wall of the side of the clamping block away from the top block is provided with an anti-skid groove.
[0012] Further, the top of the top block is fixedly connected with a pad.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] 1. In the utility model, the device pulls the rack through the electric push rod, drives the bottom block, the top block and the clamping block to move, can clamp the both ends of the reverse osmosis membrane body, realizes the clamping and limiting of the reverse osmosis membrane body of different lengths, effectively improves the adaptability of the device to different specifications of reverse osmosis membranes, and ensures that the reverse osmosis membrane body does not shake in the detection process, greatly enhances the detection stability and meets the diversified detection needs.
[0015] 2. In the utility model, the device can not only fix the both ends of the reverse osmosis membrane body through the clamping block, but also stretch the sliding rod by pulling the two clamping blocks on the same side, so as to adapt to reverse osmosis membrane bodies of different diameters, block the both ends of the reverse osmosis membrane body through special sealing heads, connect the air pump to carry out air tightness detection, and the operation is simple and efficient, which greatly facilitates the air tightness detection of the reverse osmosis membrane body. DRAWINGS
[0016] Figure 1 A perspective view of a reverse osmosis membrane air tightness detection device is provided for the utility model;
[0017] Figure 2 A top block structure diagram of the reverse osmosis membrane air tightness detection device is provided in the utility model.
[0018] Figure 3 For Figure 2 The enlarged view of A in the middle;
[0019] Figure 4 A groove structure diagram of the reverse osmosis membrane air tightness detection device is provided in the utility model.
[0020] Legend:
[0021] 1, workbench; 2, air pump; 3, base; 4, reverse osmosis membrane body; 5, top block; 6, support block; 7, clamping block; 8, groove; 9, bottom block; 10, rack; 11, pad; 12, gear; 13, lower slide rail one; 14, upper slide rail one; 15, electric push rod; 16, upper slide rail two; 17, lower slide rail two; 18, slide bar; 19, spring. Specific implementation
[0022] The technical solutions in the embodiments of the utility model will be clearly 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Refer to Figures 1-3The utility model provides a kind of embodiment: a kind of reverse osmosis membrane air tightness detection device, the top front of workbench 1 is fixedly connected with base 3, the top rear of workbench 1 is equipped with air pump 2, the output of air pump 2 is connected with the sealing head special for detecting reverse osmosis membrane body 4, recess 8 is set in the top of base 3, gear 12 is arranged on the middle inner wall of recess 8, two racks 10 are engagedly connected on the outer wall of gear 12, the lower slide rail one 13 of front side rack 10 is slidably connected, by making front side rack 10 move, gear 12 can be rotated, further let gear 12 move with rear side rack 10, the movement of front side rack 10 can be limited by lower slide rail one 13, the top of lower slide rail one 13 is provided with upper slide rail one 14, upper slide rail one 14 can limit the movement of left side bottom block 9, upper slide rail one 14 is slidably connected with the bottom block 9 located on left side, the rear of lower slide rail one 13 is provided with lower slide rail two 17, lower slide rail two 17 can limit the movement of right side bottom block 9 and front side rack 10, lower slide rail two 17 is slidably connected with the left end of rack 10 located on front side, the top of lower slide rail two 17 is provided with upper slide rail two 16, upper slide rail two 16 can limit the movement of rear side rack 10, upper slide rail two 16 is slidably connected with the rack 10 located on rear side, the end of rack 10 away from gear 12 is fixedly connected with bottom block 9, the movement of rack 10 can move with bottom block 9, the top of bottom block 9 is fixedly connected with support block 6, the movement of bottom block 9 can move with support block 6 on its top, the top of support block 6 is fixedly connected with top block 5, the movement of support block 6 can move with top block 5 on its top, the outer wall of top block 5 is fixedly connected with slide bar 18, slide bar 18 can limit the clamping block 7 on its outer wall, the outer wall of slide bar 18 is slidably connected with two clamping blocks 7, the side close to two clamping blocks 7 is provided with spring 19, by being provided with spring 19, two clamping blocks 7 can be reset, and the two ends of reverse osmosis membrane body 4 can be clamped during detection, further guarantee the stability of reverse osmosis membrane body 4 during detection, one end of spring 19 is connected with one clamping block 7, the other end of spring 19 is connected with another clamping block 7, the side close to left and right two ends clamping blocks 7 is provided with reverse osmosis membrane body 4.
[0024] Refer to Figures 2-4The inner wall of the left side of the groove 8 is provided with an electric push rod 15, the driving end of the electric push rod 15 is fixedly connected with the front rack 10, and the front rack 10 can be moved by the electric push rod 15. The lower slide rail one 13, the upper slide rail one 14, the upper slide rail two 16 and the lower slide rail two 17 are fixedly connected with the inner wall of the groove 8, wherein the lower slide rail one 13 and the upper slide rail one 14 are located at the front side of the groove 8, and the lower slide rail two 17 and the upper slide rail two 16 are located at the rear side of the groove 8. The outer wall of the side, away from the top block 5, of the clamping block 7 is provided with an anti-skid groove, and the anti-skid groove can improve the friction between the clamping block 7 and the reverse osmosis membrane body 4. The top of the top block 5 is fixedly connected with a pad 11, the pad 11 is made of rubber, can support the two ends of the reverse osmosis membrane body 4, and prevent the two ends of the reverse osmosis membrane body 4 from rubbing against the top block 5.
[0025] Working principle: first, the reverse osmosis membrane body 4 is placed on the base 3, then the front rack 10 is moved by the electric push rod 15, the front rack 10 moves while the right bottom block 9 moves, the gear 12 rotates while the front rack 10 moves, the rear rack 10 moves while the gear 12 rotates, the rear rack 10 moves while the left bottom block 9 moves, the two bottom blocks 9 move while the top block 5 moves through the support block 6 on the top of the two bottom blocks 9, so that the left and right top blocks 5 move to the middle, the two ends of the reverse osmosis membrane body 4 are clamped by the clamping block 7, the stability of the reverse osmosis membrane body 4 during detection can be ensured, different lengths of the reverse osmosis membrane body 4 can be clamped and limited, the slide rod 18 can be stretched by pulling the two clamping blocks 7 on the same side, so that the reverse osmosis membrane body 4 with different diameters can be adapted, then one end of the reverse osmosis membrane body 4 is plugged by a special sealing head, and the other end of the reverse osmosis membrane body 4 is plugged by a special sealing head connected with the air pump 2, so that the air tightness of the reverse osmosis membrane body 4 is detected.
[0026] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.
Claims
1. A device for detecting the gas tightness of a reverse osmosis membrane, characterized in that it comprises: The device includes a workbench (1), a base (3) is fixedly connected to the front of the top of the workbench (1), an air pump (2) is installed at the rear of the top of the workbench (1), a groove (8) is opened at the top of the base (3), a gear (12) is provided on the inner wall of the middle part of the groove (8), two racks (10) are meshed on the outer wall of the gear (12), the front rack (10) is connected to the inner wall of the groove (8) through a sliding component, a bottom block (9) is fixedly connected to the end of the rack (10) away from the gear (12), a support block (6) is fixedly connected to the top of the bottom block (9), a top block (5) is fixedly connected to the top of the support block (6), and a reverse osmosis membrane body (4) is connected to the outer wall of the top block (5) through a clamping component.
2. The device for detecting the gas tightness of a reverse osmosis membrane according to claim 1, characterized in that: The clamping assembly includes a slide rod (18) fixedly connected to the outer wall of the top block (5). Two clamping blocks (7) are slidably connected to the outer wall of the slide rod (18). A spring (19) is provided on the adjacent side of the two clamping blocks (7). One end of the spring (19) is connected to one of the clamping blocks (7), and the other end of the spring (19) is connected to the other clamping block (7).
3. The device for detecting the gas tightness of a reverse osmosis membrane according to claim 1, characterized in that: The sliding assembly includes a lower slide rail (13) slidably connected to the middle of the rack (10) on the front side. An upper slide rail (14) is provided at the top of the lower slide rail (13). The upper slide rail (14) is slidably connected to the bottom block (9) on the left side. A lower slide rail (17) is provided at the rear of the lower slide rail (13). The lower slide rail (17) is slidably connected to the left end of the rack (10) on the front side. An upper slide rail (16) is provided at the top of the lower slide rail (17). The upper slide rail (16) is slidably connected to the rack (10) on the rear side.
4. The device for detecting the gas tightness of a reverse osmosis membrane according to claim 1, characterized in that: An electric push rod (15) is installed on the left inner wall of the groove (8), and the driving end of the electric push rod (15) is fixedly connected to the front rack (10).
5. The device for detecting the gas tightness of a reverse osmosis membrane according to claim 3, characterized in that: The lower slide rail (13), upper slide rail (14), upper slide rail (16) and lower slide rail (17) are fixedly connected to the inner wall of the groove (8). The lower slide rail (13) and upper slide rail (14) are located on the front side of the groove (8), and the lower slide rail (17) and upper slide rail (16) are located on the rear side of the groove (8).
6. The reverse osmosis membrane air tightness detection device according to claim 2, characterized in that: The outer wall of the clamping block (7) on the side away from the top block (5) is provided with an anti-slip groove.
7. The device for detecting the gas tightness of a reverse osmosis membrane according to claim 1, characterized in that: A pad (11) is fixedly connected to the top of the top block (5).