Replaceable negative pressure pump dehumidification device
By designing a replaceable negative pressure pump dehumidification device and using replaceable moisture absorption plates and sealing components, the problem of traditional devices being unable to adapt to humidity changes has been solved, achieving efficient moisture absorption and production continuity, and avoiding system pressure damage and interruption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
The exposed area of the moisture absorption plate in traditional negative pressure pump dehumidification devices is not adjustable, which cannot adapt to the humidity differences caused by different environmental conditions and seasonal changes, resulting in humidity not meeting the usage requirements. Furthermore, traditional replacement methods may disrupt the system pressure balance or cause production interruptions.
A replaceable negative pressure pump dehumidification device was designed, which uses replaceable moisture-absorbing plates and sealing components. The moisture-absorbing plates can be replaced without interrupting production by squeezing and sealing the sealing sleeve and sealing plate. The saturation state is monitored by using an observation window to determine when to replace them.
It achieves efficient moisture absorption under different environmental conditions, avoids disruption of system pressure balance and production interruption, and improves the versatility and production efficiency of the equipment.
Smart Images

Figure CN224024663U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to negative pressure pump technical field, concretely relates to a replaceable negative pressure pump dehumidification device. BACKGROUND
[0002] With the development of science and technology and the improvement of people's living standards, the performance requirements of various equipment are gradually improved. As a device capable of generating a negative pressure environment, the negative pressure pump has a wide range of application requirements in the fields of medical treatment, scientific research, industry and the like.
[0003] Due to the generation of negative pressure in the pump by mechanical or electric means during the working process, the pressure of the gas in the pump is lower than the external environment pressure. When the pressure in the pump is lower than the external pressure, the gas will be automatically sucked into the negative pressure pump. The humidity of air is different in different environments and seasons, and the liquefied water droplets will occupy the internal space of the pump body after gathering, and at the same time, the humidity of the gas discharged from the pump body is large and cannot meet the use in different fields. At the same time, in the actual use process, if the gas storage tank body is directly opened, the external air may rush in quickly, which may destroy the system pressure balance and even damage the pump body structure. Therefore, when the moisture absorption plate is replaced, the sealing design is required. The utility model is based on these needs and aims to provide an innovative replaceable negative pressure pump dehumidification device to solve the problems in the prior art. SUMMARY
[0004] The utility model aims at providing a replaceable negative pressure pump dehumidification device, which solves the following technical problems: the traditional negative pressure pump dehumidification device usually adopts a fixed moisture absorption plate structure to passively adsorb the moisture in the tank body. Due to the unadjustable exposure area of the moisture absorption plate, it cannot adapt to the humidity difference brought by different environmental conditions and seasonal changes.
[0005] The purpose of the utility model can be achieved by the following technical solutions:
[0006] A replaceable negative pressure pump dehumidification device, including a gas storage tank body, characterized in that the bottom of the gas storage tank body is provided with a collection box, the bottom of the collection box is provided with a moisture absorption plate, the inside of the collection box is provided with a sealing assembly, the sealing assembly is used for sealing the gas storage tank body when the moisture absorption plate is replaced, the sealing assembly includes sealing plates symmetrically and slidingly arranged at both ends of the collection box, the end of one of the sealing plates is fixedly provided with a sealing sleeve, the end of the other sealing plate is fixedly provided with a sealing pressing plate, and the inner side surface of the sealing sleeve and the outer surface of the sealing pressing plate are both provided with sealing pads one.
[0007] As a further scheme of the utility model: the inner concave surface of the sealing sleeve matches the outer convex surface of the sealing pressing plate.
[0008] As a further embodiment of this utility model: the collection box is symmetrically fixedly provided with mounting boxes at both ends, and a driving component is provided inside the mounting box. The driving component includes a rectangular block fixedly provided at one end of the mounting box, and a screw is provided inside the rectangular block. One end of the screw is rotatably connected to one side of the sealing plate.
[0009] As a further embodiment of this utility model: the inner side of the collection box is symmetrically provided with sliding grooves, and the sliding grooves are slidably connected to the side of the sealing plate.
[0010] As a further embodiment of this utility model: a cover plate is provided at the bottom of the collection box, and a sealing gasket is provided between the cover plate and the collection box.
[0011] As a further embodiment of this utility model: the bottom of the cover plate is provided with a plurality of mounting holes, and fasteners are provided inside the mounting holes.
[0012] As a further embodiment of this invention, an observation window is provided on the outer surface of the collection box.
[0013] As a further embodiment of this invention: the bottom of the observation window is flush with the bottom of the collection box.
[0014] The beneficial effects of this utility model are:
[0015] (1) This utility model collects liquefied water in the pump body by setting up a moisture-absorbing plate and uses an observation window to monitor the saturation state of the moisture-absorbing plate in real time, thereby accurately judging the replacement time. It has a simple structure, is easy to install, and has strong versatility. It can be matched with various similar functional equipment.
[0016] (2) This utility model drives the sealing plates to move in opposite directions by a screw, so that the sealing sleeve and the sealing pressure plate form a squeeze seal. The moisture-absorbing block can be replaced without interrupting production, effectively preventing external air from seeping into the pump body and disrupting the system pressure balance, and avoiding the loss of production efficiency caused by the traditional shutdown replacement method. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings.
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the overall internal structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the sealing assembly of this utility model;
[0021] Figure 4It is the structural schematic view of the sliding groove and the rectangular hole of the utility model.
[0022] In the figure: 1, gas storage tank body; 2, air hole; 3, collection box; 31, rectangular hole; 4, moisture absorbing plate; 5, sealing assembly; 51, sealing plate; 52, sealing sleeve; 53, sealing press plate; 54, sealing gasket one; 6, mounting box; 7, drive assembly; 71, rectangular block; 72, screw rod; 73, rotating disc; 8, cover plate; 9, sealing gasket two; 10, fastener; 11, observation window. DETAILED DESCRIPTION
[0023] The technical scheme 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0024] Embodiment one: please refer to Figures 1-4 As shown in the figure, the utility model is a replaceable negative pressure pump dehumidification device, including gas storage tank body 1, the bottom of gas storage tank body 1 is provided with air hole 2, the humidity of air in different environments and seasons is different, the water droplets of liquefaction will be produced in pump body, the water droplets of liquefaction will flow out in air hole 2 after gathering, the bottom of gas storage tank body 1 is provided with collection box 3, air hole 2 is between gas storage tank body 1 and collection box 3, the bottom of collection box 3 is provided with moisture absorbing plate 4, moisture absorbing plate 4 is disposable replaceable structure made of water absorbing material (color changes when meeting water), along with the saturation of water absorbing capacity, the color changes and the color demarcation line moves down gradually, the inside of collection box 3 is provided with sealing assembly 5, sealing assembly 5 is used to seal gas storage tank body 1 when replacing moisture absorbing plate 4, avoids the inside in low pressure state when negative pressure pump runs, directly opening or replacing moisture absorbing plate 4 can cause external air to rush in quickly, destroys system pressure balance, even damages pump body structure, and shutdown replacement can cause production interruption and efficiency loss, sealing assembly 5 includes sealing plate 51 symmetrically slidingly arranged at the both ends of collection box 3, the width of sealing plate 51 is greater than half the width of collection box 3, guarantees that the end part of sealing plate 51 will not appear through seam when butting and fixing, the end part of one sealing plate 51 is fixedly provided with sealing sleeve 52, the end part of another sealing plate 51 is fixedly provided with sealing press plate 53, the inner side surface of sealing sleeve 52 and the outer surface of sealing press plate 53 are all provided with sealing gasket one 54.
[0025] The inner side concave surface of sealing sleeve 52 and the outer side convex surface of sealing press plate 53 are matched, the contact surface of the two is more closely through sealing gasket one 54, avoids the damage of negative pressure pump system pressure.
[0026] Two said sealing gasket 54 is designed to be inclined, so that the contact surface is more closely.
[0027] In summary, a replaceable negative pressure pump dehumidification device, when in use, the collection box 3 inside the absorption plate 4 to collect the water droplets produced in the pump body, absorption plate 4 for water absorption material, with the saturation of water absorption color change and color demarcation line gradually moving down, absorption plate 4 for replaceable structure, when the color demarcation line at the bottom, indicating that the absorption plate 4 needs to be replaced, thereby improving the efficiency of the absorption.
[0028] Example two: in example one, please refer to Figure 1 , Figure 4 The two ends of the collection box 3 are symmetrically fixed with mounting box 6, the inside of the mounting box 6 is provided with driving assembly 7, the driving assembly 7 is used for realizing the horizontal reciprocating movement of the sealing plate 51, the driving assembly 7 includes a rectangular block 71 fixedly arranged at one end of the mounting box 6, the inside of the rectangular block 71 is provided with a screw thread, the inside of the rectangular block 71 is connected with a screw rod 72, one end of the screw rod 72 is rotatably connected with one side of the sealing plate 51, the other end of the screw rod 72 extends to the outside of the mounting box 6 and is fixedly provided with a rotating disc 73, and the sealing gasket is arranged between the rectangular block 71 and the mounting box 6.
[0029] The inside of the collection box 3 is symmetrically provided with a sliding groove, the sealing plate 51 is slidably arranged in the sliding groove, and the sealing gasket is arranged between the sliding groove and the sealing plate 51.
[0030] The bottom of the collection box 3 is provided with a rectangular hole 31, the rectangular hole 31 is provided with a cover plate 8, the sealing gasket 9 is arranged between the cover plate 8 and the rectangular hole 31, and the sealing gasket 9 is used to improve the sealing performance of the rectangular hole 31 and the cover plate 8.
[0031] A plurality of mounting holes are formed in the bottom of the cover plate 8, fasteners 10 are arranged in the mounting holes, the fasteners 10 can be fixed by hexagonal bolts cooperating with nuts or screws, the fasteners 10 are used to fix the cover plate 8 and the collection box 3, the absorption plate 4 in the collection box 3 can be replaced by loosening the fasteners 10 and opening the cover plate 8, the structure is simple, the installation is convenient, and the universality is high.
[0032] The outer surface of the collection box 3 is provided with an observation window 11, the bottom of the observation window 11 is flush with the bottom of the collection box 3, the observation window 11 is used to observe the saturation degree of the internal absorption plate 4, and it is judged whether the new absorption plate 4 needs to be replaced, when the observation window 11 observes that the color change range is close to the lower end of the observation window 11, it is prompted that the absorption plate 4 needs to be replaced.
[0033] In conclusion, when the moisture absorption plate 4 is replaced, the screw rod 72 is driven to rotate by rotating the disc 73, the two sealing plates 51 are driven to move towards each other by the screw rod 72, the sealing sleeve 52 at the end of the sealing plate 51 is tightly attached to the sealing pressing plate 53, the sealing gasket one 54 is arranged on the inner side of the sealing sleeve 52 and the outer surface of the sealing pressing plate 53, so that the contact surface of the two sealing plates 51 is more tightly attached, in use, the sealing property of the sealing plate 51 is ensured by air tightness detection, so that the system pressure of the negative pressure pump is prevented from being damaged, after the pump body is sealed by the two sealing plates 51, the moisture absorption plate 4 in the collecting box 3 can be replaced by loosening the fastener 10 and opening the cover plate 8, the structure is simple, convenient to install and has high universality, the observation window 11 arranged on the outer surface of the collecting box 3 can be observed, when the color change range is close to the lower end of the observation window 11, it is prompted that the moisture absorption plate 4 needs to be replaced.
[0034] Embodiment three
[0035] The embodiment one and the embodiment two are combined to obtain the present embodiment.
[0036] The above describes that the water drops liquefied in the pump body are collected by the moisture absorption plate 4 and the replacement of the moisture absorption plate 4 is completed without interrupting the production, the structure is simple, convenient to install and has high universality, the device can be matched with various similar functional devices, external air is effectively prevented from penetrating into the pump body to destroy the system pressure balance, and the loss of production efficiency caused by the traditional replacement mode is avoided.
[0037] The above describes one embodiment of the present application in detail, but the above description is only a preferred embodiment of the present application and cannot be considered as limiting the implementation range of the present application. Any equivalent changes and improvements within the application range of the present application should still belong to the patent coverage range of the present application.
Claims
1. A replaceable negative pressure pump dehumidification device, comprising a gas storage tank (1), characterized in that, The bottom of the gas storage tank (1) is provided with a collection box (3), the bottom of the collection box (3) is provided with a moisture-absorbing plate (4), and the inside of the collection box (3) is provided with a sealing assembly (5). The sealing assembly (5) is used to seal the gas storage tank (1) when the moisture-absorbing plate (4) is replaced. The sealing assembly (5) includes sealing plates (51) symmetrically slidably arranged at both ends of the collection box (3). One end of the sealing plate (51) is fixedly provided with a sealing sleeve (52), and the other end of the sealing plate (51) is fixedly provided with a sealing pressure plate (53). The inner side of the sealing sleeve (52) and the outer surface of the sealing pressure plate (53) are both provided with a sealing gasket (54).
2. The replaceable negative pressure pump dehumidification device according to claim 1, characterized in that, The concave surface of the sealing sleeve (52) matches the convex surface of the sealing pressure plate (53).
3. The replaceable negative pressure pump dehumidification device according to claim 1, characterized in that, The collection box (3) is symmetrically fixed with mounting boxes (6) at both ends. The mounting box (6) is equipped with a drive assembly (7). The drive assembly (7) includes a rectangular block (71) fixedly installed at one end of the mounting box (6). The rectangular block (71) is equipped with a screw (72). One end of the screw (72) is rotatably connected to one side of the sealing plate (51).
4. The replaceable negative pressure pump dehumidification device according to claim 1, characterized in that, The inner side of the collection box (3) is symmetrically provided with sliding grooves, and the sealing plate (51) is slidably disposed in the sliding groove (31).
5. A replaceable negative pressure pump dehumidification device according to claim 1, characterized in that, The bottom of the collection box (3) is provided with a cover plate (8), and a sealing gasket (9) is provided between the cover plate (8) and the collection box (3).
6. A replaceable negative pressure pump dehumidification device according to claim 5, characterized in that, The bottom of the cover plate (8) has multiple mounting holes, and fasteners (10) are installed inside the mounting holes.
7. A replaceable negative pressure pump dehumidification device according to claim 1, characterized in that, The outer surface of the collection box (3) is provided with an observation window (11), which is used to observe the color change of the moisture-absorbing plate (4) inside the collection box (3).
8. A replaceable negative pressure pump dehumidification device according to claim 7, characterized in that, The bottom of the observation window (11) is flush with the bottom of the collection box (3).