Sealing device for refrigerant charging
By introducing a limit block and a motor-driven screw system into the refrigerant charging sealing device, the problem that existing devices cannot open the sealing cover is solved, the convenient operation of the sealing cover and the flexibility of the device is improved, and practicality is enhanced and protective.
Patent Information
- Application Number
- CN202421099793.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing refrigerant charging sealing device lacks a limiting mechanism when opening the sealing cover, which causes the threaded sheet to rotate as the connecting screw, which is inconvenient to move the sealing cover.
A sealing device including a protective case, device body, sealing cover, limit block and motor is designed. The screw is driven forward and reversed by the motor, and the moving block on the screw is used to limit the positioning block and through groove. , enables the sealing cover to be opened and closed easily, and improves the flexibility of the device by the universal wheels and handles on the protective case.
The convenient opening and closing and sealing functions of the sealing cover are realized, which improves the practicality and flexibility of the device and enhances the protection function of the outside.
Smart Images

Figure CN222255029U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigerant production equipment, in particular to a sealing device for refrigerant filling. Background Art
[0002] Refrigerant, also known as refrigerant, is commonly known as snow in some southern regions. It is a working substance that circulates continuously in the refrigeration system and achieves refrigeration through its own state changes. During the refrigerant filling process, a sealing device is usually required.
[0003] The existing Chinese patent with announcement number CN215370947U discloses a sealing device for refrigerant filling. The key points of its technical solution are: solving the problem that the opening method of the existing sealing device for refrigerant filling is not convenient enough, comprising a support block, one end of the top of the support block is fixedly connected to a support plate, the top of the support plate is fixedly connected to a mounting block, the top of the mounting block is installed with an electric mechanism, one end of the support block is installed with an auxiliary mechanism, the middle part of the top of the support block is movably installed with a device body, the top of the device body is movably installed with a sealing cover, and the middle part of one end of the device body is fixedly connected with a handle; the user can conveniently open the sealing cover when needed, and can conveniently separate the connecting block and the sealing cover, and at the same time can effectively protect the first forward and reverse motor and the second forward and reverse motor, thereby improving the working efficiency of the device and further improving the practicality of the device.
[0004] The above-mentioned prior art solution has the following defects: although the above-mentioned technical solution solves the problem that the opening method of the existing refrigerant filling sealing device is not convenient enough, the above-mentioned technical solution does not have a relevant limiting mechanism to limit the threaded piece on the connecting screw, which will cause the threaded piece to rotate synchronously with the connecting screw, and thus cannot drive the sealing cover to move, making it inconvenient to open the sealing cover. Utility Model Content
[0005] ( 一 ) Technical issues solved
[0006] In view of the deficiencies in the prior art, the utility model provides a sealing device for refrigerant filling, which has the advantages of convenient opening of the sealing cover and strong practicality, thereby solving the problems in the above-mentioned background technology.
[0007] (II) Technical solution
[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealing device for refrigerant filling, comprising a protective shell, a device body is arranged inside the protective shell, and connecting blocks are arranged on both sides of the bottom surface of the device body, one end of the connecting block extends to the inside of the connecting groove opened on both sides of the upper surface of the bottom end of the protective shell, a sealing cover is arranged above the device body, and a fixing block is arranged on one side of the top surface of the sealing cover, a baffle is arranged on one side surface of the protective shell, and a through groove is penetrated through one side surface of the baffle, a side plate is arranged above the through groove, and a motor is installed on the top surface of the side plate, the output end of the motor penetrates the side plate and is fixedly connected with a screw, and a moving block is threadedly connected to the screw, a limit block is arranged on one side surface of the moving block through the through groove, and one end of the limit block is fixedly connected to the fixed block.
[0009] Preferably, universal wheels are installed on both sides of the bottom surface of the protective shell, and a plurality of universal wheels are provided, and the plurality of universal wheels are evenly distributed in pairs on both sides of the bottom surface of the protective shell.
[0010] Preferably, a first handle is provided at a middle position of the front end surface of the device body.
[0011] Preferably, the connecting block matches the connecting groove.
[0012] Preferably, a door is hingedly connected to the front end surface of the protective shell via a hinge.
[0013] Preferably, a second handle is provided on one side surface of the baffle.
[0014] Preferably, the fixing block is fixedly connected to the sealing cover by bolts.
[0015] Preferably, the protective shell matches the device body.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a sealing device for refrigerant charging, which has the following beneficial effects:
[0018] (1) In the utility model, the motor drives the screw to rotate forward, and then the moving block on the screw is limited by the limit block and the through groove, so that the moving block can move on the screw. When the moving block moves, the fixed block is driven to move by the limit block, so that the sealing cover on the bottom surface of the fixed block moves. When the sealing cover is away from the top surface of the device body, the sealing cover can be opened. The motor drives the screw to rotate reversely, so that the moving block on the screw moves. When the sealing cover on the bottom surface of the fixed block enters the top surface of the device body, the device body can be sealed, thereby facilitating the opening or closing of the sealing cover, which is beneficial to improving its practicality.
[0019] (2) In the present invention, the outer side of the device body can be protected by using a protective shell, so that the device has a certain protective function. The device can be moved by using the universal wheels on the bottom surface of the protective shell and the second handle on the side surface of the baffle, thereby facilitating the device to be moved to different positions for use, reducing the disadvantages during use and helping to improve the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0021] Figure 1 It is a structural schematic diagram of a sealing device for refrigerant charging proposed by the utility model;
[0022] Figure 2 It is a front view of a sealing device for refrigerant charging proposed by the utility model;
[0023] Figure 3 This is a schematic diagram of the structure of a device body of a sealing device for refrigerant charging proposed by the utility model;
[0024] Figure 4 The utility model discloses a fixed block structure schematic diagram of a sealing device for refrigerant charging.
[0025] Legend:
[0026] 1. Protective shell; 2. Device body; 3. Sealing cover; 4. Fixed block; 5. First handle; 6. Connecting block; 7. Universal wheel; 8. Connecting slot; 9. Through slot; 10. Limit block; 11. Motor; 12. Side panel; 13. Screw; 14. Moving block; 15. Second handle; 16. Baffle; 17. Box door. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] Please refer to Figure 1-4 A sealing device for charging a refrigerant comprises a protective shell 1, wherein a device body 2 is arranged inside the protective shell 1, and connecting blocks 6 are arranged on both sides of the bottom surface of the device body 2, one end of the connecting block 6 extends to the inside of a connecting groove 8 opened on both sides of the upper surface of the bottom end of the protective shell 1, a sealing cover 3 is arranged above the device body 2, and a fixing block 4 is arranged on one side of the top surface of the sealing cover 3, a baffle 16 is arranged on one side surface of the protective shell 1, and a through groove 9 is penetrated through one side surface of the baffle 16, a side plate 12 is arranged above the through groove 9, and a motor 11 is installed on the top surface of the side plate 12, an output end of the motor 11 penetrates the side plate 12 and is fixedly connected with a screw 13, and a moving block 14 is threadedly connected to the screw 13, a limit block 10 is arranged on one side surface of the moving block 14 through the through groove 9, and one end of the limit block 10 is connected to the The fixed block 4 is fixedly connected, wherein the motor 11 drives the screw 13 to rotate forward, and then the moving block 14 on the screw 13 is limited by the limit block 10 and the through groove 9, so that the moving block 14 can move on the screw 13, and the moving block 14 drives the fixed block 4 to move through the limit block 10 while moving, so that the sealing cover 3 on the bottom surface of the fixed block 4 moves, and when the sealing cover 3 is away from the top surface of the device body 2, the sealing cover 3 can be opened, wherein the motor 11 drives the screw 13 to reverse, so that the moving block 14 on the screw 13 moves, and when the sealing cover 3 on the bottom surface of the fixed block 4 enters the top surface of the device body 2, the device body 2 can be sealed, thereby facilitating the opening and closing of the sealing cover 3, which is conducive to improving its practicality.
[0030] In one embodiment, universal wheels 7 are installed on both sides of the bottom surface of the protective shell 1. There are a plurality of universal wheels 7, and the plurality of universal wheels 7 are evenly distributed on both sides of the bottom surface of the protective shell 1 in pairs. The device can be moved by using the universal wheels 7 on the bottom surface of the protective shell 1 and the second handle 15 on the side surface of the baffle 16, thereby facilitating the device to be moved to different positions for use, reducing disadvantages during use, and helping to improve the flexibility of the device.
[0031] In one embodiment, a first handle 5 is provided at the middle position of the front end surface of the device body 2, wherein the box door 17 is opened and the first handle 5 is pulled to move the connecting block 6 in the connecting groove 8. When the connecting block 6 moves out of the connecting groove 8, the device body 2 can be taken out of the protective shell 1, so that it is convenient to disassemble and repair it.
[0032] In one embodiment, the connection block 6 matches the connection slot 8 , so that the connection block 6 can be easily moved in the connection slot 8 .
[0033] In one embodiment, a door 17 is hingedly connected to the front end surface of the protective shell 1 via a hinge, wherein the device body 2 can be conveniently disassembled and maintained by opening the door 17 .
[0034] In one embodiment, a second handle 15 is provided on one side surface of the baffle 16, wherein the device can be moved by using the second handle 15 and the universal wheel 7, thereby facilitating the device to be moved to different positions for use, which is beneficial to improving the flexibility of the device.
[0035] In one embodiment, the fixing block 4 is fixedly connected to the sealing cover 3 by bolts, which can improve the firmness between the fixing block 4 and the sealing cover 3 .
[0036] In one embodiment, the protective shell 1 matches the device body 2 , wherein the protective shell 1 can also be used to protect the outer side of the device body 2 , so that the device has a certain protective function.
[0037] In one embodiment, the control panel control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.
[0038] Working principle:
[0039] When in use, the motor 11 drives the screw 13 to rotate forward, and then the moving block 14 on the screw 13 is limited by the limit block 10 and the through slot 9, so that the moving block 14 can move on the screw 13, and the moving block 14 drives the fixed block 4 to move through the limit block 10 while moving, so that the sealing cover 3 on the bottom surface of the fixed block 4 moves, and when the sealing cover 3 is away from the top surface of the device body 2, the sealing cover 3 can be opened, wherein the motor 11 drives the screw 13 to rotate reversely, so that the moving block 14 on the screw 13 moves, and when the sealing cover 3 is away from the top surface of the device body 2, the sealing cover 3 can be opened. When the sealing cover 3 enters the top surface of the device body 2, the device body 2 can be sealed, so that the sealing cover 3 can be opened or closed conveniently, which is beneficial to improve its practicality. The outer side of the device body 2 can also be protected by using the protective shell 1, so that the device has a certain protective function. The device can be moved by using the universal wheel 7 on the bottom surface of the protective shell 1 and the second handle 15 on the side surface of the baffle 16, so that the device can be moved to different positions for use conveniently, which reduces the disadvantages during use and is beneficial to improve the flexibility of the device.
[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A sealing device for refrigerant charging, comprising a protective shell (1), characterized in that: The protective shell (1) is provided with a device body (2) inside, and connecting blocks (6) are provided on both sides of the bottom surface of the device body (2), one end of the connecting block (6) extends to the inside of the connecting groove (8) opened on both sides of the upper surface of the bottom end of the protective shell (1), a sealing cover (3) is provided above the device body (2), and a fixing block (4) is provided on one side of the top surface of the sealing cover (3), and a baffle (16) is provided on one side of the surface of the protective shell (1), and one side of the baffle (16) is provided. A through slot (9) is provided through the side surface, a side plate (12) is provided above the through slot (9), and a motor (11) is installed on the top surface of the side plate (12), an output end of the motor (11) passes through the side plate (12) and is fixedly connected to a screw rod (13), and a moving block (14) is threadedly connected to the screw rod (13), a side surface of the moving block (14) passes through the through slot (9) and is provided with a limit block (10), and one end of the limit block (10) is fixedly connected to the fixed block (4).
2. A refrigerant charging sealing device according to claim 1, characterized in that: Universal wheels (7) are installed on both sides of the bottom surface of the protective shell (1), and a plurality of universal wheels (7) are provided, and the plurality of universal wheels (7) are evenly distributed in pairs on both sides of the bottom surface of the protective shell (1).
3. A refrigerant charging sealing device according to claim 1, characterized in that: A first handle (5) is provided at the middle position of the front end surface of the device body (2).
4. A refrigerant charging sealing device according to claim 1, characterized in that: The connecting block (6) matches the connecting groove (8).
5. A refrigerant charging sealing device according to claim 1, characterized in that: The front end surface of the protective shell (1) is hingedly connected to a box door (17) via a hinge.
6. A refrigerant charging sealing device according to claim 1, characterized in that: A second handle (15) is provided on one side surface of the baffle (16).
7. A refrigerant charging sealing device according to claim 1, characterized in that: The fixing block (4) is fixedly connected to the sealing cover (3) via bolts.
8. A refrigerant charging sealing device according to claim 1, characterized in that: The protective shell (1) matches the device body (2).