Fixing device
By designing the frame and locking components, the problems of bulging and deformation of sheet metal box covers during airtightness testing were solved, enabling rapid rebound and easy operation of the box body, reducing material costs and improving work efficiency.
Patent Information
- Application Number
- CN202520097848.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-15
AI Technical Summary
In the design of battery box covers, especially sheet metal covers, the use of thinner plates can easily lead to bulging and deformation during airtightness testing. Furthermore, the deformed covers cannot spring back, resulting in complicated operation and increased material costs.
The fixing device, which employs frame components and locking components, includes a first frame and a second frame. Through the detachable connection of the locking components, combined with the design of connecting columns, fixing plates and casters, it ensures that the chamber does not bulge during the airtightness test and can quickly rebound, thereby reducing material costs and improving operational efficiency.
It effectively prevents bulging and deformation of the enclosure during the airtightness test, reduces material costs, improves ease of operation and overall work efficiency, reduces labor intensity, and is adaptable to enclosures of different sizes and shapes.
Smart Images
Figure CN223700589U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fixing device belongs to battery technical field. BACKGROUND
[0002] With the gradual perfection of battery box in structure design, the design of relevant structure is increasingly tending to improve structural strength, reduce cost while ensuring product performance.
[0003] In the process of conceiving and implementing the utility model, the applicant finds that at least the following problems exist: when designing the lid of the battery box, especially the sheet metal lid, the industry is trying to use thinner sheet metal for stamping, and the strength and rigidity of the lid are ensured through structural design, but for large-sized lids, bulging and deformation problems easily occur during air tightness testing.
[0004] The foregoing narrative is to provide general background information and does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL
[0005] The utility model provides a fixing device, solves the problems of bulging and deformation of the box during air tightness testing, deformation of the lid after air tightness testing, and complex tooling assembly and disassembly.
[0006] The utility model provides a fixing device for fixing a box for air tightness testing, and the fixing device comprises:
[0007] A frame assembly comprising a first frame and a second frame, the first frame and the second frame enclosing a receiving cavity for receiving the box;
[0008] A locking assembly comprising a locking member, a first end of the locking member being provided on one of the first frame and the second frame, and a second end of the locking member being movably connected to the first frame and the second frame, so that the first frame and the second frame are detachably connected.
[0009] The utility model has the beneficial effects that: through the arrangement of the fixing device, the sheet metal box is prevented from bulging significantly during air tightness testing, and after air tightness testing, the box can quickly return to its original shape without obvious deformation, and its shape can be maintained; in addition, the entire device is more lightweight in structural design, which not only reduces material costs but also makes the entire device easier to carry and operate; due to its lightweight, the device is more convenient to transport and store on site, reducing labor intensity during transportation; meanwhile, the locking assembly is more convenient to assemble and disassemble, improving overall work efficiency.
[0010] On the basis of the above technical solution, the utility model can also be improved as follows.
[0011] In some optional embodiments, the first frame is provided with a first connecting column, which extends towards the second frame;
[0012] The second frame is provided with a second connecting column, which extends towards the first frame, and the second end of the locking member is movably connected to the first connecting column and the second connecting column.
[0013] It should be noted that the first connecting column and the second connecting column extend and dock with each other, providing additional support and stability to the frame. This design can effectively prevent the frame from shaking or shifting during use, ensuring the fixed position of the battery box in the air tightness test.
[0014] In some optional embodiments, the second connecting column is a hollow structure, and the second connecting column has an opening, and the first connecting column extends into the second connecting column through the opening.
[0015] It should be noted that the first connecting column is inserted into the hollow structure of the second connecting column, forming a more stable connection. This plug-in method can effectively improve the overall strength and stability of the frame, ensuring that the frame does not loosen or shift during the air tightness test.
[0016] In some optional embodiments, the fixing device further comprises a first fixing plate and a second fixing plate;
[0017] The first connecting column is arranged on the first fixing plate, and the first fixing plate is arranged on the first frame;
[0018] The second connecting column is arranged on the second fixing plate, and the second fixing plate is arranged on the second frame.
[0019] It should be noted that the first fixing plate and the second fixing plate provide a larger support surface for the first connecting column and the second connecting column, making the connection between the first connecting column and the first frame and the second connecting column and the second frame more stable. This design can effectively disperse the force applied to the first connecting column and the second connecting column, improving the stability and durability of the overall structure.
[0020] In some optional embodiments, the first end of the locking member is arranged at the end of the second frame;
[0021] The locking assembly further comprises a chain connected between the locking member and the end of the second frame.
[0022] It should be noted that the use of the chain provides a certain flexibility, allowing the locking member to adjust the position within a certain range, and in addition, when the frame assembly needs to be disassembled and assembled multiple times, the chain can prevent the locking member from being lost.
[0023] In some optional embodiments, the fixing device further comprises a pressing member arranged on the first frame and facing the second frame.
[0024] It should be noted that the pressing piece provides additional pressure support to ensure that the battery box is more firmly fixed in the frame during the airtightness detection process. By applying appropriate pressure, the pressing piece can effectively prevent the battery box from moving or shifting during the detection process.
[0025] In some alternative embodiments, the pressing piece is a pressing plate, and a plurality of notches are formed on the pressing piece and are spaced apart on the pressing piece.
[0026] It should be noted that by forming notches on the pressing plate, the use of materials can be effectively reduced, thereby reducing the overall weight of the pressing plate. This makes the entire fixing device more portable and easier to handle and operate.
[0027] In some alternative embodiments, the fixing device further comprises a protective pad, which is arranged on the second frame and faces the first frame.
[0028] It should be noted that the protective pad provides a layer of soft cushioning material, which can effectively prevent scratches, indentations or other physical damage to the surface of the battery box during the fixing process, thereby maintaining the appearance and structural integrity of the battery box.
[0029] In some alternative embodiments, the first frame comprises a first frame, a first support beam and a second support beam, the first support beam being arranged at opposite ends of the first frame along a first direction, and the second support beam being arranged at opposite ends of the first frame along a second direction.
[0030] Wherein, the first direction and the second direction have an included angle;
[0031] The second frame comprises a second frame, a third support beam and a fourth support beam, the third support beam being arranged at opposite ends of the second frame along the first direction, and the fourth support beam being arranged at opposite ends of the second frame along the second direction.
[0032] It should be noted that the staggered arrangement of the first and second support beams and the third and fourth support beams can effectively improve the overall rigidity and stability of the frame, preventing deformation or twisting during use. The design of multiple support beams allows the frame to withstand greater loads and pressures, making it suitable for applications that require high strength support, such as external forces that may be applied during the airtightness detection process.
[0033] In some alternative embodiments, the fixing device further comprises a plurality of universal wheels arranged around the bottom end of the second frame.
[0034] It should be noted that the universal wheel can freely rotate in multiple directions, allowing the entire device to be easily moved and positioned within a venue. This flexibility enables the device to quickly adapt to different working environments and location requirements.
[0035] The utility model provides a fixing device for fixing the box body of airtightness detection, fixing device includes: frame subassembly, including first frame and second frame, first frame and second frame enclose the containing cavity containing box body, locking subassembly, including locking piece, locking piece's first end is located in one of first frame and second frame, locking piece's second end swing joint is in first frame and second frame to make first frame and second frame detachable connection.
[0036] Through the setting of fixing device, it is guaranteed that the sheet metal box body does not appear larger bulging phenomenon in airtightness test process, after airtightness test is completed, the box body can bounce back to the original shape rapidly, appearance has no obvious deformation, can keep its shape, in addition, the whole device is more portable on structure design, this not only reduces material cost, makes the whole device more easily to carry and operation, because of its portability, the device is more convenient when in the field transportation and storage, reduces the labor intensity in the carrying process, simultaneously, locking assembly is more convenient to assemble and disassemble, improves the overall operation efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0037] The above and other objects, features and advantages of the embodiments of the present application will become more apparent from the following detailed description thereof taken in conjunction with the accompanying drawings. In the drawings, various embodiments of the present application are illustrated by way of example and not limitation in which:
[0038] Figure 1 It is the assembly drawing of fixing device and box body of the utility model embodiment;
[0039] Figure 2 It is the structure schematic diagram of fixing device of the utility model embodiment;
[0040] Figure 3 It is the explosion schematic diagram of fixing device of the utility model embodiment.
[0041] Reference signs:
[0042] 100 - fixing device;
[0043] 110 - frame subassembly; 111 - first frame; 1111 - first connecting column; 1112 - first frame; 1113 - first support beam; 1114 - second support beam; 112 - second frame; 1121 - second connecting column; 1122 - second frame; 1123 - third support beam; 1124 - fourth support beam;
[0044] 120 - locking assembly; 121 - locking member; 122 - chain;
[0045] 130 - first fixing plate;
[0046] 140 - second fixing plate;
[0047] 150 - pressing member; 151 - notch;
[0048] 160 - protective pad;
[0049] 170 - universal wheel;
[0050] 200 - box body. DETAILED DESCRIPTION
[0051] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative efforts fall within the protection scope of the utility model. All other embodiments obtained fall within the protection scope of the utility model. In the case of no conflict, the following embodiments and the features in the embodiments can be combined with each other.
[0052] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "fix", and other terms should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless another explicit limitation. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0053] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature, which can be that the first and second features are directly contacted, or the first and second features are indirectly contacted through intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "on" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0054] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.
[0055] At present, when designing the cover of the battery box, especially the sheet metal cover, the industry is trying to use thinner sheet metal for stamping, and the strength and rigidity of the cover are ensured through structural design, but for the cover with large size, the cover is easy to appear bulging and deformation during air tightness test.
[0056] The fixing device provided by the utility model ensures that the sheet metal box body does not appear large bulging phenomenon during air tightness test, and the box body can quickly rebound to the original shape after the air tightness test is completed, the appearance has no obvious deformation, and the shape can be maintained; in addition, the whole device is more portable in structural design, which not only reduces the material cost, but also makes the whole device more portable and easy to operate. Since it is light, the device is more convenient to transport and store in the field, reduces the labor intensity in the transportation process, at the same time, the locking assembly is more convenient to assemble and disassemble, and the overall operation efficiency is improved.
[0057] The fixing device provided by the utility model will be described in detail below in combination with specific embodiments.
[0058] Figure 1 The assembly drawing of the fixing device and the box body of the embodiment of the utility model, Figure 2 The structure schematic view of the fixing device of the embodiment of the utility model, Figure 3 The explosion schematic view of the fixing device of the embodiment of the utility model.
[0059] As Figures 1 to 3 shown, the embodiment of the utility model provides a fixing device 100 for fixing the box body 200 for air tightness detection, and the fixing device 100 comprises:
[0060] The frame assembly 110 comprises a first frame 111 and a second frame 112, and the first frame 111 and the second frame 112 enclose a containing cavity containing the box body 200;
[0061] The locking assembly 120 comprises a locking piece 121, the first end of the locking piece 121 is arranged in one of the first frame 111 and the second frame 112, and the second end of the locking piece 121 is movably connected to the first frame 111 and the second frame 112, so that the first frame 111 and the second frame 112 can be detachably connected.
[0062] It should be noted that through the design of the frame assembly 110, especially the enclosing structure of the first frame 111 and the second frame 112, the box 200 can be firmly accommodated, preventing movement or deformation during detection, thereby preventing the problem of the box 200 not returning after deformation after the completion of the air tightness test.
[0063] It should be noted that the box 200 for air tightness detection can be a battery box, wherein the air tightness test is an important process for detecting the sealing performance of the battery PACK package, aiming to ensure that there is no abnormal leakage between the inside and outside of the battery module or battery pack. Through the air tightness test, the sealing performance of key parts such as welding points and sealing rings can be detected to avoid the entry of external air, moisture or dust, thereby protecting the safety and stability of the internal components of the battery.
[0064] Therefore, when testing, the box 200 is filled with gas at this time, and the box 200 will bulge. After the test is completed, the box 200 is easily deformed, and the deformed box 200 cannot match the original reserved space, so the box 200 is fixed by the fixing device 100. Since the frame assembly 110 is limited in multiple directions, it can avoid bulging and maintain the original shape.
[0065] It should be noted that the design of the locking assembly 120 allows the first frame 111 and the second frame 112 to be quickly detached and connected. First, the first frame 111 and the second frame 112 are detached, then the box 200 is assembled, and after the box 200 is assembled, the first frame 111 and the second frame 112 are assembled, which is convenient to operate and improves the operation efficiency, and is suitable for batch detection requirements.
[0066] Due to the movable connection design of the locking piece 121, the fixing device 100 can adapt to boxes 200 of different sizes and shapes, having good universality and adaptability.
[0067] Through the above setting, that is, through the setting of the fixing device 100, it is ensured that the sheet metal box body 200 will not have a large bulging phenomenon during the air tightness test. After the air tightness test is completed, the box body 200 can quickly rebound to the original shape, the appearance has no obvious deformation, and the shape can be maintained. In addition, the entire device is more portable in structure design, which not only reduces the material cost, but also makes the entire device more portable and easy to operate. Due to its portability, the device is more convenient to transport and store on site, reduces the labor intensity in the transportation process, and at the same time, the locking assembly 120 is more convenient to assemble and disassemble, improving the overall operation efficiency.
[0068] As shown in Figures 1 to 3 In some optional embodiments, the first frame 111 is provided with a first connecting column 1111, which extends towards the second frame 112;
[0069] The second frame 112 is provided with a second connecting column 1121, which extends towards the first frame 111, and the second end of the locking piece 121 is movably connected to the first connecting column 1111 and the second connecting column 1121.
[0070] It should be noted that the first connecting column 1111 and the second connecting column 1121 extend and abut each other, providing additional support and stability to the frame. This design can effectively prevent the frame from shaking or shifting during use, ensuring the fixed position of the battery box during air tightness detection.
[0071] In addition, the second end of the locking piece 121 is movably connected to the first connecting column 1111 and the second connecting column 1121, making the assembly and disassembly of the frame more convenient. The operator can quickly assemble or disassemble the frame, reducing the assembly time and improving the work efficiency.
[0072] As shown in Figures 1 to 3 In some optional embodiments, the second connecting column 1121 is a hollow structure, and the second connecting column 1121 has an opening, and the first connecting column 1111 extends into the second connecting column 1121 through the opening.
[0073] It should be noted that the first connecting column 1111 is inserted into the hollow structure of the second connecting column 1121, forming a more stable connection. This plug-in method can effectively improve the overall strength and stability of the frame, ensuring that the frame will not loosen or shift during air tightness detection.
[0074] The first connecting column 1111 is guided into the second connecting column 1121 through the opening, ensuring accurate abutment between the two frames. The hollow structure and the opening design make the assembly process more intuitive and simple, and the operator can quickly complete the assembly and disassembly of the frame, reducing the assembly time and labor intensity.
[0075] In addition, the hollow design not only saves materials but also reduces the weight of the frame, making the entire device more portable and convenient for transportation and storage.
[0076] In some embodiments, the first connecting column 1111 is first extended into the second connecting column 1121 through the opening, and is locked through the first connecting column 1111 and the second connecting column 1121 to fixedly connect the two. Because the connection is more stable, the frame assembly 110 is less likely to accidentally loosen or separate during use, reducing the safety risk during operation.
[0077] As shown in Figures 1 to 3 In some alternative embodiments, the fixing device 100 further comprises a first fixing plate 130 and a second fixing plate 140;
[0078] The first connecting column 1111 is arranged on the first fixing plate 130, and the first fixing plate 130 is arranged on the first frame 111.
[0079] The second connecting column 1121 is arranged on the second fixing plate 140, and the second fixing plate 140 is arranged on the second frame 112.
[0080] It should be noted that the first fixing plate 130 and the second fixing plate 140 provide a larger support surface for the first connecting column 1111 and the second connecting column 1121, respectively, so that the connection between the first connecting column 1111 and the first frame 111 and the connection between the second connecting column 1121 and the second frame 112 are more stable. This design can effectively disperse the force applied to the first connecting column 1111 and the second connecting column 1121, improving the stability and durability of the overall structure.
[0081] Specifically, the introduction of the first fixing plate 130 and the second fixing plate 140 makes the installation and replacement of the first connecting column 1111 and the second connecting column 1121 more simple. This modular design not only simplifies the manufacturing process, but also reduces the difficulty and cost of maintaining and replacing parts.
[0082] In some embodiments, the first frame 111 is a rectangular structure.
[0083] In some embodiments, the first fixing plate 130 is four, and the four first fixing plates 130 are arranged at the four corners of the first frame 111, respectively. Correspondingly, the first connecting column 1111 is also four, thereby forming the entire top structure of the tooling.
[0084] Correspondingly, the second frame 112 can also be a rectangular structure. The second fixing plate 140 is four, and the four second fixing plates 140 are arranged at the four corners of the second frame 112, respectively. Correspondingly, the second connecting column 1121 is also four, thereby forming the entire bottom structure of the tooling.
[0085] With reference to both Figures 1 to 3 In some optional embodiments, the first end of the locking piece 121 is arranged at the end of the second frame 112.
[0086] The locking assembly 120 further comprises a chain 122 connected between the locking piece 121 and the end of the second frame 112.
[0087] It should be noted that the use of the chain 122 provides a certain flexibility, so that the locking piece 121 can be adjusted within a certain range, and in addition, when the frame assembly 110 needs to be disassembled multiple times, the chain 122 can prevent the locking piece 121 from being lost.
[0088] In some embodiments, the chain 122 is generally light and low in cost, and its introduction can achieve reliable locking function without adding too much weight, thereby reducing the weight and manufacturing cost of the overall device.
[0089] In addition, the connection of the chain 122 provides a reliable locking method, reduces the risk of accidental loosening of the locking piece 121 during use, and enhances the safety during operation.
[0090] In some embodiments, the locking piece 121 is a locking bolt, and the first connecting column 1111 and the second connecting column 1121 are both provided with an opening, and when the first connecting column 1111 is inserted into the second connecting column 1121, the locking piece 121 is inserted into the openings of the two, so as to lock the first connecting column 1111 and the second connecting column 1121 in the third direction Z.
[0091] With reference to both Figures 1 to 3 In some optional embodiments, the fixing device 100 further comprises a pressing piece 150 arranged on the first frame 111 and facing the second frame 112.
[0092] It should be noted that the pressing piece 150 provides additional pressure support to ensure that the battery box is more stably fixed in the frame during the airtightness detection process. By applying appropriate pressure, the pressing piece 150 can effectively prevent the battery box from moving or displacing during the detection process.
[0093] The pressing piece 150 can uniformly distribute the applied pressure to the surface of the battery box, avoid local bulging deformation, protect the structural integrity of the battery box, and reduce the risk of deformation or damage.
[0094] With reference to both Figures 1 to 3 In some optional embodiments, the pressing piece 150 is a pressing plate, and a plurality of notches 151 are arranged on the pressing piece 150.
[0095] It should be noted that by opening the notch 151 on the pressing plate, the use of materials can be effectively reduced, thereby reducing the overall weight of the pressing plate. This makes the entire fixing device 100 more portable and easier to handle and operate.
[0096] In addition, through the design of the notch 151, the pressing plate can better disperse stress when applying pressure, reducing local stress concentration and protecting the structural integrity of the battery box. The notch 151 provides an additional viewing window, allowing the operator to more easily observe the status of the battery box during the fixing process, ensuring its correct positioning and fixing.
[0097] In some optional embodiments, the fixing device 100 further comprises a protective pad 160, which is arranged on the second frame 112 and faces the first frame 111.
[0098] It should be noted that the protective pad 160 provides a layer of soft cushioning material, which can effectively prevent scratches, indentations or other physical damage to the surface of the battery box during the fixing process, maintaining the appearance and structural integrity of the battery box.
[0099] In some embodiments, the protective pad 160 has good elasticity and cushioning performance, which can absorb vibrations and impacts generated during operation, reducing the direct impact on the battery box and improving the stability of the detection process. The protective pad 160 can reduce direct contact and wear between the frame and the battery box, thereby prolonging the service life of the fixing device 100 and reducing the frequency of maintenance and replacement.
[0100] In some embodiments, the protective pad 160 is typically designed as an easily replaceable component, which can be quickly replaced if it is worn or damaged, ensuring that the device is always in optimal working condition.
[0101] In some optional embodiments, the first frame 111 comprises a first frame 1112, a first support beam 1113 and a second support beam 1114, the first support beam 1113 being arranged at opposite ends of the first frame 1112 along a first direction, and the second support beam 1114 being arranged at opposite ends of the first frame 1112 along a second direction.
[0102] Wherein, the first direction and the second direction have an included angle;
[0103] The second frame 112 comprises a second frame 1122, a third support beam 1123 and a fourth support beam 1124, the third support beam 1123 being arranged at opposite ends of the second frame 1122 along the first direction, and the fourth support beam 1124 being arranged at opposite ends of the second frame 1122 along the second direction.
[0104] It should be noted that the staggered arrangement of the first support beam 1113 and the second support beam 1114, the third support beam 1123 and the fourth support beam 1124 can effectively improve the overall rigidity and stability of the frame, prevent deformation or distortion during use, and the design of multiple support beams enables the frame to withstand greater load and pressure, suitable for application scenarios that require high strength support, such as external forces that may be applied during air tightness detection.
[0105] In addition, the arrangement of the support beams helps to evenly distribute the force applied to the frame to the entire structure, reducing local stress concentration and protecting the structural integrity of the frame and the battery box.
[0106] It should be noted that the first direction can be the X direction, and the second direction can be the Y direction.
[0107] In some embodiments, the first support beam 1113, the second support beam 1114, the third support beam 1123 and the fourth support beam 1124 are all multiple.
[0108] For example, a plurality of first support beams 1113 are arranged along the second direction Y, a plurality of second support beams 1114 are arranged along the first direction X, a plurality of third support beams 1123 are arranged along the second direction Y, and a plurality of fourth support beams 1124 are arranged along the first direction X.
[0109] In some optional embodiments, the fixing device 100 further comprises a plurality of universal wheels 170, and the plurality of universal wheels 170 are arranged around the bottom end of the second frame 112.
[0110] It should be noted that the universal wheel 170 can freely rotate in multiple directions, so that the entire device can be easily moved and positioned within the site. This flexibility enables the device to quickly adapt to different working environments and location requirements.
[0111] By using the universal wheel 170, the operator can easily push or pull the device without the need for additional handling equipment, thereby simplifying the operation process and improving work efficiency.
[0112] In some embodiments, the universal wheel 170 is equipped with a locking mechanism that can fix the device in a specific position when needed, preventing accidental movement and improving safety during operation.
[0113] The fixing device provided by the embodiment of the utility model is used for fixing the box body for air tightness detection, and the fixing device comprises: a frame assembly, comprising a first frame and a second frame, the first frame and the second frame form a containing cavity containing the box body; a locking assembly, comprising a locking piece, the first end of the locking piece is arranged in one of the first frame and the second frame, and the second end of the locking piece is movably connected to the first frame and the second frame, so that the first frame and the second frame are detachably connected.
[0114] Through the arrangement of the fixing device, it is ensured that the metal plate box body does not appear a large bulging phenomenon in the air tightness test process, after the air tightness test is completed, the box body can quickly rebound to the original shape, and the appearance has no obvious deformation, and the shape can be maintained; in addition, the whole device is more portable in structure design, which not only reduces the material cost, but also makes the whole device more portable and easy to operate, and due to the portability, the device is more convenient to transport and store in the field, reduces the labor intensity in the transportation process, meanwhile, the locking assembly is more convenient to assemble and disassemble, and the overall operation efficiency is improved.
[0115] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.
[0116] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0117] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.
Claims
1. A fixing device (100) for fixing a box (200) for airtightness testing, characterized in that, The fixing device (100) comprises: a frame assembly (110) comprising a first frame (111) and a second frame (112), the first frame (111) and the second frame (112) enclosing a containing cavity accommodating the box (200); a locking assembly (120) comprising a locking piece (121), a first end of the locking piece (121) being arranged in one of the first frame (111) and the second frame (112), a second end of the locking piece (121) being movably connected to the first frame (111) and the second frame (112), so that the first frame (111) and the second frame (112) can be detachably connected.
2. The fixture (100) according to claim 1, characterized in that The first frame (111) is provided with a first connecting column (1111) extending towards the second frame (112); The second frame (112) is provided with a second connecting column (1121) extending towards the first frame (111), and the second end of the locking piece (121) is movably connected to the first connecting column (1111) and the second connecting column (1121).
3. The fixture (100) according to claim 2, characterized in that The second connecting column (1121) is a hollow structure, and has an opening through which the first connecting column (1111) extends into the second connecting column (1121).
4. The fixture (100) according to claim 3, characterized in that The fixing device (100) further comprises a first fixing plate (130) and a second fixing plate (140); The first connecting column (1111) is arranged on the first fixing plate (130), and the first fixing plate (130) is arranged on the first frame (111); The second connecting column (1121) is arranged on the second fixing plate (140), and the second fixing plate (140) is arranged on the second frame (112).
5. The fixture (100) according to any one of claims 1-4, characterized in that, The first end of the locking piece (121) is arranged at an end of the second frame (112); The locking assembly (120) further comprises a chain (122) connected between the locking piece (121) and the end of the second frame (112).
6. The fixation device (100) according to any one of claims 1-4, characterized in that The fixing device (100) further comprises a pressing piece (150) arranged on the first frame (111) and facing the second frame (112).
7. The fixture (100) according to claim 6, characterized in that The pressing piece (150) is a pressing plate, and a plurality of notches (151) are formed on the pressing piece (150).
8. The fixation device (100) according to any one of claims 1-4, characterized in that The fixing device (100) further comprises a protective pad (160) arranged on the second frame (112) and facing the first frame (111).
9. The fixation device (100) according to any one of claims 1-4, characterized in that The first frame (111) comprises a first side frame (1112), a first support beam (1113) and a second support beam (1114), the first support beam (1113) is arranged at opposite ends of the first side frame (1112) along a first direction, and the second support beam (1114) is arranged at opposite ends of the first side frame (1112) along a second direction; The first direction and the second direction have an included angle therebetween; The second frame (112) comprises a second side frame (1122), a third support beam (1123) and a fourth support beam (1124), the third support beam (1123) is arranged at opposite ends of the second side frame (1122) along the first direction, and the fourth support beam (1124) is arranged at opposite ends of the second side frame (1122) along the second direction.
10. The fixation device (100) according to any one of claims 1-4, characterized in that The fixing device (100) further comprises a plurality of universal wheels (170), and the plurality of universal wheels (170) are arranged around the bottom end of the second frame (112).