CN219876700U - Middle frame assembly and electronic equipment - Google Patents

Abstract

The utility model provides a middle frame assembly and electronic equipment. The middle frame includes opposite first and second sides in a thickness direction of the middle frame, and the middle frame has a mounting opening extending through the first and second sides. The soaking plate is fixedly arranged on the first side, covers the mounting opening, and is used for fixedly mounting components arranged in the mounting opening. Like this, through the surrounding wall of the erection port of seting up on the center and the vapor chamber of closing cap erection port can form the device mounting groove that is used for installing components and parts, the size of vapor chamber that can set up on the center is great for electronic equipment's heat dispersion is better.

Description

Middle frame assembly and electronic equipment

Technical Field

The embodiment of the utility model relates to the technical field of electronic equipment, in particular to a middle frame assembly and electronic equipment.

Background

In electronic devices, a center and components are often included, and the components may be mounted on the center. Some components and parts can produce heat during operation, in order to improve electronic equipment's heat dispersion, can install the vapor chamber on the center.

In the related art, a device mounting groove for mounting components is often formed in the middle frame, the components can be fixedly mounted at the bottom of the device mounting groove, a soaking plate mounting groove adjacent to the device mounting groove can also be formed in the middle frame, and a soaking plate can be mounted in the soaking plate mounting groove.

In the related art, the heat dissipation performance of the electronic device has yet to be further improved.

Disclosure of Invention

The embodiment of the utility model provides a middle frame assembly and electronic equipment, wherein a device mounting groove for mounting components can be formed through a peripheral wall of a mounting opening formed in the middle frame and a soaking plate of a sealing cover mounting opening, and the size of the soaking plate which can be arranged on the middle frame is larger, so that the heat dissipation performance of the electronic equipment is better.

The first aspect of the utility model provides a middle frame assembly, which comprises a middle frame and a soaking plate. The middle frame includes opposite first and second sides in a thickness direction of the middle frame. The middle frame has a mounting opening extending through the first side and the second side. The soaking plate is fixedly arranged on the first side, covers the mounting opening, and is used for fixedly mounting components arranged in the mounting opening.

According to the middle frame assembly provided by the embodiment of the utility model, the soaking plate can be enclosed with the peripheral wall of the mounting opening to form the device mounting groove for mounting the components, one side of the soaking plate facing the display screen can be used for supporting the display screen, and one side of the soaking plate, which is away from the display screen, can be used for fixedly mounting and bearing the components in the mounting opening. On the middle frame, the vapor chamber can be arranged at the position overlapping with the components arranged in the component mounting cavity and at the position not overlapping with the components arranged in the component mounting cavity, the limit on the position where the vapor chamber is arranged is smaller, and the vapor chamber with larger size can be arranged on the middle frame, so that the heat dissipation performance of the electronic equipment is improved. In addition, after the components are arranged on the vapor chamber, the heat transfer path between the components and the vapor chamber is shorter, the heat conduction efficiency between the components and the vapor chamber is higher, and the heat dissipation performance of the electronic equipment is also improved.

In one possible embodiment, the middle frame includes a grounding portion, and the vapor chamber is electrically connected to the grounding portion.

In one possible implementation manner, the grounding part is provided with a first mounting hole, the soaking plate is provided with a second mounting hole opposite to the first mounting hole, the soaking plate is fixedly connected with the grounding part through a conductive fastener penetrating through the first mounting hole and the second mounting hole, and two ends of the conductive fastener are respectively and electrically connected with the grounding part and the soaking plate.

In one possible embodiment, the second mounting hole is a through hole, and a seal is provided between the conductive fastener and the soaking plate, and is used for sealing between the conductive fastener and the soaking plate.

In one possible embodiment, a surface of the soaking plate opposite to the second side is provided with a first groove, and the second mounting hole is positioned at the bottom of the first groove. The sealing element comprises a first sealant which is accommodated in the first groove and is used for sealing between the conductive fastener and the groove wall of the first groove.

In one possible embodiment, a surface of the soaking plate opposite to the second side is provided with a second groove, and the first groove is positioned at the bottom of the second groove. The second groove is internally provided with a first filling piece, the first filling piece is used for filling the space in the second groove, and the surface of one side of the first filling piece, which is away from the second side, is a plane perpendicular to the thickness direction of the middle frame.

In one possible embodiment, the first filling member is foam.

In one possible embodiment, the vapor chamber is welded to the ground, and the vapor chamber is electrically connected to the ground via a solder joint therebetween.

In one possible implementation mode, annular second sealing glue is arranged between the soaking plate and the middle frame, the soaking plate and the middle frame are adhered and fixed through the second sealing glue, the mounting opening is located in a range surrounded by the second sealing glue, and the second sealing glue is used for sealing between the soaking plate and the middle frame.

In one possible embodiment, the soaking plate includes a protruding portion and a covering portion surrounding an edge of the protruding portion, the protruding portion protrudes from the covering portion in a direction away from the second side, a second filling member is disposed on a side of the covering portion away from the second side, the second filling member is used for filling a space of a side of the covering portion away from the second side, and a surface of a side of the second filling member away from the second side is a plane perpendicular to a thickness direction of the middle frame.

In one possible embodiment, the vapor chamber further includes a welding portion located at an edge of the covering portion, the welding portion is welded to the middle frame, an orthographic projection of the second filling member facing the second side covers the welding portion, and the second filling member is further configured to fill a space of a side of the welding portion facing away from the second side.

In one possible embodiment, the first side has a third groove, the bottom of the third groove has a mounting opening, and the soaking plate is arranged in the third groove.

In a second aspect of the embodiment of the present utility model, an electronic device is provided, including a component and a middle frame assembly in any of the foregoing embodiments. The components are arranged in the mounting opening of the middle frame assembly, and the components in the mounting opening are fixedly arranged on the vapor chamber of the middle frame assembly.

Drawings

Fig. 1 is a schematic diagram of an electronic device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of another electronic device according to an embodiment of the present utility model in a flattened state;

fig. 3 is a schematic diagram of another electronic device in a folded state according to an embodiment of the present utility model;

FIG. 4 is a schematic view illustrating a view of a portion of a middle frame assembly according to an embodiment of the present utility model;

FIG. 5 is an exploded view of another view of a portion of the structure of a center assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of another view of a portion of a middle frame assembly according to an embodiment of the present utility model;

fig. 7 is an exploded view of a portion of the structure of a vapor chamber of yet another center assembly according to an embodiment of the present utility model;

FIG. 8 is an exploded view of another view of a portion of the structure of yet another center assembly provided in accordance with an embodiment of the present utility model;

FIG. 9 is a schematic diagram illustrating another view of a portion of a structure of a middle frame assembly according to an embodiment of the present utility model;

FIG. 10 is a cross-sectional view of a portion of the structure of yet another center frame assembly according to an embodiment of the present utility model;

fig. 11 is an enlarged view of a portion a in fig. 10;

FIG. 12 is a cross-sectional view of a further view of a portion of the structure of a further center frame assembly provided in accordance with an embodiment of the present utility model;

fig. 13 is a cross-sectional view of a further view of a portion of the structure of a further center assembly provided in accordance with an embodiment of the present utility model.

Reference numerals illustrate:

10. a middle frame assembly;

100. a middle frame;

110. a middle plate;

120. a third groove;

130. a mounting port;

140. a first mounting hole;

150. a frame;

200. a device mounting groove;

300. a soaking plate;

310. a cover plate;

311. a boss;

312. a first cover part;

313. a second groove;

314. a communication hole;

320. a carrying plate;

321. a welding part;

322. a second cover part;

323. a main body portion;

324. a second mounting hole;

235. a fourth groove;

330. a first groove;

400. a second filling member;

500. a second sealant;

600. a conductive fastener;

700. a first sealant;

800. a first shim;

20. a display screen;

30. a rear cover;

40. a rotating shaft mechanism.

Detailed Description

The terminology used in the description of the embodiments of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, as will be described in detail with reference to the accompanying drawings.

Embodiments of the present utility model provide an electronic device that may include, but is not limited to, mobile terminals or fixed terminals such as tablet computers (portable android device, PAD), notebook computers, personal digital assistants (personal digital assistant, PDA), handheld devices with wireless communication capabilities, computing devices, vehicle-mounted devices, wearable devices, virtual Reality (VR) terminal devices, augmented reality (augmented reality, AR) terminal devices, wireless terminals in industrial control (industrial control), wireless terminals in unmanned (self driving), wireless terminals in remote medical (remote media), wireless terminals in smart grid (smart grid), wireless terminals in transportation security (transportation safety), wireless terminals in smart city (smart city), wireless terminals in smart home (smart home), and the like.

It is understood that the electronic device may also be referred to as a User Equipment (UE) or a terminal (terminal) or the like.

In the embodiment of the present utility model, an electronic device is taken as an example of a handheld device with a wireless communication function, and the handheld device with the wireless communication function may be a mobile phone.

Fig. 1 is a schematic diagram of an electronic device according to an embodiment of the present utility model.

As shown in fig. 1, in an embodiment of the present utility model, an electronic device may include a middle frame assembly 10, a display screen 20, and a rear cover 30, the display screen 20 and the rear cover 30 being respectively mounted on both sides of the middle frame assembly 10 in a thickness direction, both sides of the middle frame assembly 10 in the thickness direction being respectively used to carry the display screen 20 and the rear cover 30.

It will be appreciated that the display 20 may be fixedly attached to the center frame assembly 10 by adhesive, snap fit, or the like.

It will be appreciated that the rear cover 30 may be fixedly attached to the center frame assembly 10 by means of adhesive, snap fit, fastener connection, or the like.

In the embodiment of the present utility model, a device mounting cavity is formed between the rear cover 30 and the middle frame assembly 10, a motherboard may be mounted in the device mounting cavity, components may be further mounted in the device mounting cavity, the components may be disposed on the motherboard and electrically connected to the motherboard, a plurality of different components may be mounted on the motherboard, and different components mounted on the motherboard may be electrically connected through the motherboard.

It is understood that the components may include, but are not limited to, chips, cameras, microphones, handsets, batteries, etc. The chip may be a central processing unit (central processing unit, CPU), a graphics processor (graphics processing unit, GPU), a memory, etc.

In some embodiments of the utility model, the electronic device may be a non-foldable device, for example, the electronic device is a tablet phone. When the electronic device is a non-foldable device, the electronic device may include a center assembly.

Fig. 2 is a schematic diagram of another electronic device provided in an embodiment of the present utility model in a flattened state, and fig. 3 is a schematic diagram of another electronic device provided in an embodiment of the present utility model in a folded state.

As shown in fig. 2 and 3, in some embodiments of the utility model, the electronic device may also be a foldable device having a flattened state and a folded state. When the electronic device is foldable, the electronic device comprises at least two middle frame assemblies 10 and a rotating shaft mechanism 40 arranged between the two adjacent middle frame assemblies 10, the two adjacent middle frame assemblies 10 are rotationally connected through the rotating shaft mechanism 40, and the electronic device can be switched between a flattened state and a folded state by enabling the two adjacent middle frame assemblies 10 to rotate oppositely and reversely.

It will be appreciated that where the electronic device is a foldable device, the electronic device may include two, three, four or more center assemblies 10. When the electronic device is in the flattened state, all the center frame assemblies 10 are disposed along the length direction or the width direction of the electronic device.

When the electronic device is a foldable device, the display screen 20 may be a flexible screen, which may be fixedly connected to the surfaces of the plurality of middle frame assemblies 10, and may be folded and flattened under the driving of the fixedly connected middle frame assemblies 10.

When the electronic device is a foldable device, the electronic device may include a plurality of display screens 20, and each middle frame assembly 10 may be fixedly provided with a different display screen 20, or the same flexible screen may be fixedly connected with a plurality of middle frame assemblies 10.

When the electronic device is a foldable device, one side, away from the display screen 20 mounted on the foldable device, of each middle frame assembly 10 can be covered with a rear cover 30, a device mounting cavity can be formed between each middle frame assembly 10 and the rear cover 30 covered with the rear cover, a main board can be mounted in each device mounting cavity, and different components can be mounted in different device mounting cavities.

Fig. 4 is a schematic view illustrating a part of a structure of a middle frame assembly according to an embodiment of the present utility model.

As shown in fig. 4, in the embodiment of the present utility model, the middle frame assembly 10 includes a middle frame 100, and the display screen 20 and the rear cover 30 are respectively installed at both sides of the middle frame 100 in the thickness direction.

It will be appreciated that the thickness direction of the center 100 is the same as the thickness direction of the center assembly 10.

In the embodiment of the present utility model, the middle frame 100 may include a middle plate 110 and a frame 150 surrounding the outer edge of the middle plate 110, the rear cover 30 may be covered on the frame 150, a device mounting cavity is provided between the middle plate 110 and the rear cover 30, the main board may be mounted between the middle plate 110 and the rear cover 30, and components such as a battery, a chip, a microphone may be mounted between the middle plate 110 and the rear cover 30.

It will be appreciated that the rear cover 30 may be fixedly attached to the end of the bezel 150 facing away from the display screen 20 by means of adhesive, snap fit, fastener connection, etc.

In the embodiment of the present utility model, the rear cover 30 may be adhered and fixed to the end of the bezel 150 facing away from the display screen 20 through a back adhesive, and the back adhesive may be used to seal a gap between the bezel 150 and the rear cover 30, so that liquid, dust, etc. are not easy to enter the device mounting cavity.

In the embodiment of the present utility model, a fastening structure may be disposed between the rear cover 30 and the frame 150, and the rear cover 30 and the frame 150 may be fastened by the fastening structure.

In the embodiment of the present utility model, a device mounting groove 200 is formed on one side of the middle frame assembly 10 facing away from the display screen 20, and components such as a battery, a chip, a microphone and the like can be mounted in the corresponding device mounting groove 200, and the components such as the battery, the chip, the microphone and the like can be fixedly connected with the bottom of the device mounting groove 200.

In the embodiment of the present utility model, the middle frame assembly 10 further includes a Vapor Chamber (VC) plate 300, the vapor chamber 300 may be fixedly installed on the middle frame 100, and the electronic device may improve heat dissipation performance through the vapor chamber 300 installed on the middle frame 100.

In the related art, the medium plate is a solid plate, one side of the medium plate, which is away from the display screen, is provided with a device mounting groove, the part of the medium plate, which is positioned at the bottom of the device mounting groove, can be used for bearing components mounted in the device mounting groove, and one side of the medium plate, which is towards the display screen, can be used for supporting the display screen. And a soaking plate mounting groove is formed in the middle plate, the soaking plate mounting groove can be positioned on one side of the middle plate facing the display screen, the soaking plate mounting groove and the device mounting groove are arranged at intervals in the direction perpendicular to the thickness direction of the middle frame, and the soaking plate is mounted in the soaking plate mounting groove.

However, in the related art, since the soaking plates and the components need to be arranged at intervals in the direction perpendicular to the thickness direction of the middle frame, most of the space of the middle frame in the direction perpendicular to the thickness direction thereof is occupied by the components, the space available for arranging the soaking plates on the middle frame is small, so that the size of the soaking plates which can be arranged is small, and the heat transfer path between the soaking plates and the components arranged in the device mounting cavity is poor. The heat dissipation effect of the vapor chamber arranged in the related technology on the electronic equipment is limited, and the heat dissipation performance of the electronic equipment is still required to be further improved.

Fig. 5 is an exploded view of another view of a portion of a middle frame assembly according to an embodiment of the present utility model, and fig. 6 is a schematic view of another view of a portion of a middle frame assembly according to an embodiment of the present utility model.

Based on this, as shown in fig. 5 and 6, in the thickness direction of the middle frame 100, the middle frame 100 includes opposite first and second sides in the embodiment of the present utility model. The middle frame 100 has a mounting opening 130 extending through the first side and the second side. The soaking plate 300 is fixedly installed on the first side, the soaking plate 300 covers the installation opening 130, and the soaking plate 300 is used for fixedly installing components arranged in the installation opening 130.

In this way, the soaking plate 300 may enclose the peripheral wall of the mounting opening 130 to form the device mounting groove 200 for mounting components, the side of the soaking plate 300 facing the display screen 20 may be used for supporting the display screen 20, and the side of the soaking plate 300 facing away from the display screen 20 may be used for fixing and mounting components in the mounting opening 130. On the middle frame 100, the vapor chamber 300 can be arranged at a position overlapping with the components arranged in the component mounting cavity and at a position not overlapping with the components arranged in the component mounting cavity, the limit on the position where the vapor chamber 300 is arranged is smaller, and the vapor chamber 300 with a larger size can be arranged on the middle frame 100, so that the heat dissipation performance of the electronic equipment is improved. In addition, after the components are mounted on the vapor chamber 300, the heat transfer path between the components and the vapor chamber 300 is shorter, the heat conduction efficiency between the components and the vapor chamber 300 is higher, and the heat dissipation performance of the electronic equipment is also improved.

It will be appreciated that the first side is the side of the middle frame 100 facing the display 20, and the second side is the side of the middle frame 100 facing away from the display 20.

It is understood that the middle frame 100 may have a plurality of mounting openings 130, and the soaking plate 300 may cover all the mounting openings 130, and each mounting opening 130 and the soaking plate 300 enclose to form a device mounting groove 200.

Illustratively, the soaking plate 300 may enclose with the peripheral wall of one of the mounting openings 130 to form a battery mounting groove for mounting a battery, and the soaking plate 300 may also enclose with the peripheral wall of the other of the mounting openings 130 to form a chip mounting groove for mounting a chip.

It is understood that components such as a battery, a chip, a microphone, etc. may be disposed in the corresponding mounting port 130, and components in the mounting port 130 may be fixedly mounted on the soaking plate 300.

It will be appreciated that the components in the mounting opening 130 may be secured to the surface of the vapor chamber 300 facing away from the first side by adhesive bonding.

It is understood that at least a portion of a surface of the soaking plate 300 facing the display 20 may be adhered and fixed to the display 20.

It is understood that the soaking plate 300 may cover the entire area of the first side or may cover a part of the area of the first side.

It is understood that the mounting opening 130 may be formed in the middle plate 110.

In some embodiments of the present utility model, the first side has a third recess 120, the bottom of the third recess 120 has a mounting hole 130, and the soaking plate 300 is disposed in the third recess 120.

Thus, the soaking plate 300 is installed in the third groove 120, the positioning and the installation of the soaking plate 300 are convenient, and the soaking plate 300 is not easy to shift after being installed on the middle frame 100. In addition, the middle frame 100 having a thicker thickness of the middle plate 110 may be used, so that the middle frame 100 has a higher strength.

It is understood that the third recess 120 may be formed on a side of the middle plate 110 facing the display screen 20, and the soaking plate 300 is fixedly connected to the middle plate 110.

It is understood that the bottom of the third groove 120 is opposite to the notch of the third groove 120, and the notch of the third groove 120 faces the display 20.

It is understood that the bottom of the third groove 120 may have a plurality of mounting openings 130, and the soaking plate 300 covers all the mounting openings 130 formed at the bottom of the third groove 120.

Of course, in some embodiments of the present utility model, the first side may not have the third groove 120, and the first side may have a planar structure.

In an embodiment of the present utility model, the electronic device may have an antenna, the frame 150 may include a feeding end of the antenna and a grounding end of the antenna, at least a portion of the middle plate 110 is a grounding portion, the grounding portion is electrically connected to the grounding end of the antenna, and the grounding portion is electrically connected to the soaking plate 300.

In this way, the components such as the antenna and the like which need to be grounded can be grounded through the vapor chamber 300, which is beneficial to realizing the grounding requirement of the components such as the antenna and the like which need to be grounded.

It is understood that at least a portion of the vapor chamber 300 is made of an electrically conductive material.

In the embodiment of the present utility model, the middle plate 110 is made of a conductive material, and the middle plate 110 may be a grounding part as a whole.

In the embodiment of the present utility model, the soaking plate 300 is welded and fixed to the ground, and the soaking plate 300 is electrically connected to the ground through a solder joint therebetween.

Thus, the soaking plate 300 can be welded with the grounding part to realize fixed connection with the middle frame 100 and electric connection with the grounding part, and the soaking plate 300 and the middle frame 100 are convenient to assemble.

It is understood that the soaking plate 300 includes a welded portion 321, and the welded portion 321 is welded to the ground portion.

In the embodiment of the present utility model, a ring-shaped second sealant 500 is provided between the soaking plate 300 and the middle frame 100, the soaking plate 300 and the middle frame 100 are adhered and fixed by the second sealant 500, the mounting opening 130 is located in a range surrounded by the second sealant 500, and the second sealant 500 is used for sealing between the soaking plate 300 and the middle frame 100.

Thus, by providing the second sealant 500, the fixing connection of the soaking plate 300 and the middle frame 100 can be achieved. In addition, the mounting opening 130 is located in the range surrounded by the annular second sealant 500, so that sealing of the device mounting cavity is facilitated, liquid on the first side and the like cannot flow into the device mounting cavity easily through the mounting opening 130, and a main board and the like mounted in the device mounting cavity cannot be damaged easily due to liquid entering the device mounting cavity.

It is understood that the mounting opening 130 being located within the range surrounded by the second sealing compound 500 means that the orthographic projection of the mounting opening 130 in the thickness direction of the middle frame 100 is located within the range surrounded by the orthographic projection of the second sealing compound 500 in the thickness direction of the middle frame 100.

It is understood that the second sealant 500 may be a back adhesive or a dispensing adhesive.

It can be understood that the second sealing glue 500 may be insulating glue or conductive glue, and when the second sealing glue 500 is conductive glue, the soaking plate 300 may be electrically connected to the grounding portion of the middle frame 100 through the second sealing glue 500.

It is understood that when the middle frame 100 has a plurality of mounting ports 130, all of the mounting ports 130 are located within a range surrounded by the second sealant 500.

It can be appreciated that a reinforcing adhesive may be further disposed between the vapor chamber 300 and the middle frame 100 to improve the bonding stability between the vapor chamber 300 and the middle frame 100.

It is understood that the reinforcing adhesive may be located within the area surrounded by the second sealant 500, or the reinforcing adhesive may be located outside the area surrounded by the second sealant 500.

It is understood that the reinforcing adhesive may be spaced apart from the second sealing adhesive 500 or may be connected to the second sealing adhesive 500.

It is understood that the reinforcing adhesive may be the same adhesive as the second sealant 500, or the reinforcing adhesive may be a different adhesive than the second sealant 500.

It is understood that the reinforcing adhesive may be an insulating adhesive or a conductive adhesive, and when the reinforcing adhesive is a conductive adhesive, the soaking plate 300 may be electrically connected to the grounding portion of the middle frame 100 through the reinforcing adhesive.

Fig. 7 is an exploded view of a portion of the structure of a vapor chamber of another center assembly according to an embodiment of the present utility model.

As shown in fig. 7 and referring to fig. 5 and 6, in the embodiment of the present utility model, the vapor chamber 300 includes a carrier plate 320 and a cover plate 310, the cover plate 310 is covered with the carrier plate 320, a cooling medium accommodating cavity is formed between the cover plate 310 and the carrier plate 320, the cooling medium accommodating cavity is a vacuum cavity, a microstructure is disposed in the cooling medium accommodating cavity, and a cooling medium is further accommodated in the cooling medium accommodating cavity.

It is understood that the carrier plate 320 and the cover plate 310 may be made of a metal material, and the strength of the carrier plate 320 may be greater than that of the cover plate 310.

Illustratively, the carrier plate 320 may be a stainless steel plate or a titanium alloy plate.

Illustratively, the cover plate 310 may be a copper plate.

In the embodiment of the present utility model, the carrying plate 320 faces the second side, the carrying plate 320 is used for sealing the mounting opening 130, and components in the mounting opening 130 can be fixedly mounted on the carrying plate 320, and the carrying plate 320 is fixedly connected with the middle frame 100.

Thus, the vapor chamber 300 is conveniently and fixedly connected with the middle frame 100 and the components, the vapor chamber 300 is firmly and fixedly connected with the middle frame 100 and the components, and the vapor chamber 300 is not easy to deform.

In the embodiment in which the soaking plate 300 is welded to the middle frame 100, the carrier plate 320 includes a welded portion 321.

In the embodiment of the utility model, the cover plate 310 includes a protruding portion 311 and a first covering portion 312 surrounding an edge of the protruding portion 311, the protruding portion 311 protrudes from the first covering portion 312 in a direction away from the second side, and a side of the protruding portion 311 facing the second side forms a groove structure.

It is understood that the first covering portion 312 of the cover plate 310 may have a flat plate structure, and the protruding portion 311 of the cover plate 310 may have an arch structure that arches toward one side of the display screen 20.

In the embodiment of the present utility model, the carrier plate 320 includes a main body portion 323 opposite to the protruding portion 311 and a second cover portion 322 surrounding an edge of the protruding portion 311, the second cover portion 322 is opposite to the first cover portion 312, the second cover portion 322 is covered and fixed with the first cover portion 312, and a side of the protruding portion 311 facing the second side and a side of the main body portion 323 facing away from the second side form a cooling medium accommodating cavity.

It is understood that the carrier plate 320 may be a flat plate structure.

It may be connected that the whole formed after the first cover portion 312 and the second cover portion 322 are fixed in a covering manner is the cover portion of the soaking plate 300.

It will be appreciated that at least a portion of the surface of the boss 311 facing the side of the display 20 may be bonded to the display 20

Fig. 8 is an exploded view of another view of a portion of a structure of a further middle frame assembly according to an embodiment of the present utility model, and fig. 9 is a schematic view of another view of a portion of a structure of a further middle frame assembly according to an embodiment of the present utility model.

As shown in fig. 8 and 9, in the embodiment of the present utility model, a second filling member 400 is disposed on a side of the first covering portion 312 facing away from the second side, the second filling member 400 is used for filling a space on a side of the first covering portion 312 facing away from the second side, and a surface of a side of the second filling member 400 facing away from the second side is a plane perpendicular to the thickness direction of the middle frame 100.

In this way, by providing the second filling member 400 to fill the side of the first covering portion 312 facing the display screen 20, the break difference of the surface for supporting the display screen 20 can be reduced, which is beneficial to supporting the display screen 20.

It will be appreciated that the boss 311 and the second shim 400 may both be used to support the display 20, and that in embodiments having the third recess 120 on the first side, the portion of the first side that is outside the third recess may also be used to support the display 20.

It is understood that the second shim 400 may be a sheet of polyethylene terephthalate (polyethylene terephthalate, PET).

In the embodiment of the present utility model, the welding portion 321 is located at an edge of the second covering portion 322.

In this way, the soaking plate 300 is convenient to weld, and the welding position has less influence on the cooling medium accommodating cavity of the soaking plate 300.

It is understood that in the embodiment where the third recess 120 is provided at the first side and the soaking plate 300 is provided in the third recess 120, the welding portion 321 may be accommodated in the third recess 120, and the welding portion 321 may be welded with the bottom of the third recess 120.

In the embodiment of the present utility model, the orthographic projection of the second filling member 400 facing the second side covers the welding portion 321, and the second filling member 40 is further configured to fill a space of a side of the welding portion 321 facing away from the second side.

In this way, the second filling member 400 can cover the welding spot formed by welding between the welding portion 321 and the middle frame 100, so that the risk of damaging the display screen 20 by the uneven welding spot can be reduced. In addition, the second filling member 400 may fill the side of the welding portion 321 facing the display screen 20, so that the break of the surface for supporting the display screen 20 may be reduced, which is beneficial to supporting the display screen 20.

It is understood that the edge of the second covering portion 322 may be provided with a plurality of welding portions 321 at intervals.

Thus, the soaking plate 300 and the middle frame 100 are not separated and the electrical connection is not failed due to the breakage of a certain welding part 321 and the middle frame 100, so that the fixed connection and the electrical connection between the soaking plate 300 and the middle frame 100 are stable.

It is understood that when the edge of the second covering portion 322 is provided with a plurality of welding portions 321 at intervals, the orthographic projection of the second filling member 400 toward the second side covers all the welding portions 321.

Fig. 10 is a cross-sectional view of a portion of a structure of a further middle frame assembly according to an embodiment of the present utility model, fig. 11 is an enlarged view of a portion a in fig. 10, fig. 12 is a cross-sectional view of a further portion of a structure of a further middle frame assembly according to an embodiment of the present utility model, and fig. 13 is a cross-sectional view of a further portion of a structure of a further middle frame assembly according to an embodiment of the present utility model.

As shown in fig. 10 to 13 and referring to fig. 5 to 9, in the embodiment of the present utility model, the ground part has the first mounting hole 140, the soaking plate 300 has the second mounting hole 324 opposite to the first mounting hole 140 thereon, the soaking plate 300 is fixedly connected to the ground part by the conductive fastener 600 penetrating into the first mounting hole 140 and the second mounting hole 324, and both ends of the conductive fastener 600 are electrically connected to the ground part and the soaking plate 300, respectively.

Like this, vapor chamber 300 can be through conductive fastener 600 fixed connection on center 100 to and with the electric connection of earth connection, vapor chamber 300 and center 100 fixed connection and electric connection are all comparatively firm, and tensile ability is stronger, is difficult for appearing dropping and the problem of electric connection inefficacy between vapor chamber 300 and the earth connection.

It will be appreciated that both ends of the conductive fastener 600 may be electrically connected to the ground and the vapor chamber 300 by contacting the ground and the vapor chamber 300, respectively.

It is understood that the first mounting hole 140 may be a through hole.

It is understood that the second mounting hole 324 may be a through hole or a blind hole.

It is understood that the conductive fastener 600 may be a screw, bolt, rivet, etc. made of a conductive material.

In the embodiment of the present utility model, the second mounting hole 324 is a through hole.

In this way, the thickness of the portion of the grounding portion where the second mounting hole 324 is formed can be made thinner, which is advantageous for increasing the space of the device mounting cavity.

In the embodiment of the present utility model, a sealing member is provided between the conductive fastener 600 and the soaking plate 300, and the sealing member is used for sealing between the conductive fastener 600 and the soaking plate 300.

Thus, by arranging the sealing member between the conductive fastener 600 and the soaking plate 400, the sealing of the device mounting cavity is facilitated, and the liquid on the first side and the like cannot flow into the device mounting cavity easily through the first mounting hole 140, so that the main board and the like mounted in the device mounting cavity cannot be damaged easily due to the liquid in the device mounting cavity.

It is understood that the seal may be a gasket, a seal ring, a sealant, or the like.

In the embodiment of the utility model, a surface of the soaking plate 300 facing away from the second side is provided with a first groove 330, and the second mounting hole 324 is located at the bottom of the first groove 330. The seal includes a first sealant 700 received in the first recess 330, the first sealant 700 for sealing between the conductive fastener 600 and a wall of the first recess 330.

In this way, the first recess 330 can accommodate the end of the conductive fastener 600 facing the display 20, which is advantageous in that the conductive fastener 600 does not protrude out of the first recess 330, so that the conductive fastener 600 is not easy to squeeze the display 20. In addition, the sealing surface of the second sealant 500 filled in the first groove 330 is larger, and the sealing performance is better. In addition, the second sealant 500 can also make the conductive fastener 600 not easy to loosen, which is beneficial to improving the stability of the fixed connection and the electrical connection between the middle frame 100 and the soaking plate 300.

It is understood that the bottom of the first groove 330 is opposite to the notch of the first groove 330, and the notch of the first groove 330 faces the display 20.

It is understood that the first sealant 700 may be a dispensing.

Illustratively, the conductive fastener 600 is a screw made of a conductive material, the second mounting hole 324 is a threaded hole, the screw is threaded through the second mounting hole 324 and is screwed to the hole wall of the second mounting hole 324, and the head of the screw is received in the first recess 330.

In the embodiment of the utility model, a side surface of the soaking plate 300 facing away from the second side is provided with a second groove 313, and the first groove 330 is located at the bottom of the second groove 313. The second groove 313 accommodates therein a first filling member 800, the first filling member 800 is used for filling a space in the second groove 313, and a surface of a side of the first filling member 800 facing away from the second side is a plane perpendicular to the thickness direction of the middle frame 100.

In this way, the second groove 313 may be used to receive the first sealant 700 overflowing from the first groove 330, and the risk that the first sealant 700 overflows to the surface of the protrusion 311 to form a protrusion structure pressing the display screen 20 may be reduced. By providing the first filling member 800 in the second groove 313, the space of the second groove 313 can be filled, and the break difference of the surface for supporting the display screen 20 can be reduced, which is beneficial to the support of the display screen 20.

It will be appreciated that the groove bottom of the second groove 313 is opposite to the groove mouth of the second groove 313, and the groove mouth of the second groove 313 faces the display 20.

In an embodiment of the present utility model, the surface of the first shim 800 facing the second side may be adhesively secured to the groove bottom of the second groove 313.

In an embodiment of the present utility model, the first padding element 800 is foam.

Thus, the first filling member 800 may have a certain compression amount, and when the surface of the first filling member 800 and the protruding portion 311 support the display screen 20, the first filling member 800 is not easy to damage the display screen 20 even if protruding from the surface of the protruding portion 311.

In an embodiment of the present utility model, a side of the cover plate 310 facing away from the second side has a second groove 313.

It is understood that the second recess 313 may be formed by a portion of the boss 311 of the cover plate 310 arching in the direction of the second side.

In the embodiment of the present utility model, the bottom of the second groove 313 has a communication hole 314, and the communication hole 314 is a through hole. The side of the carrier plate 320 facing away from the second side has a fourth recess 235 opposite the communication hole 314.

It will be appreciated that the fourth recess 235 may be formed by a portion of the body portion 323 of the carrier plate 320 arching in the direction of the second side, the center 100 having a recessed structure for receiving the body portion 323 for forming the arching portion of the fourth recess 235.

In the embodiment of the present utility model, the notch of the fourth groove 235 may form a second groove 313 with the wall of the fourth groove 235 and the wall of the communication hole 314 in the orthographic projection of the communication hole 314 along the thickness direction of the middle frame 100, and the bottom of the fourth groove 235 has a second mounting hole 324.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, indirectly coupled through an intermediary, in communication between two elements, or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The terms first, second, third, fourth and the like in the description and in the claims and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the embodiments of the present utility model, and are not limited thereto; although embodiments of the present utility model have been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present utility model.

Claims (13)

1. The middle frame assembly is characterized by comprising a middle frame and a soaking plate;

the middle frame comprises a first side and a second side which are opposite in the thickness direction of the middle frame, and the middle frame is provided with a mounting opening penetrating through the first side and the second side;

the soaking plate is fixedly arranged on the first side, the soaking plate seals the mounting opening, and the soaking plate is used for fixedly mounting components arranged in the mounting opening.

2. The mullion assembly of claim 1, wherein the mullion comprises a ground portion, the soaking plate being electrically connected to the ground portion.

3. The middle frame assembly according to claim 2, wherein the grounding portion has a first mounting hole, the soaking plate has a second mounting hole opposite to the first mounting hole, the soaking plate is fixedly connected with the grounding portion through conductive fasteners penetrating through the first mounting hole and the second mounting hole, and two ends of each conductive fastener are respectively electrically connected with the grounding portion and the soaking plate.

4. The mullion assembly of claim 3, wherein the second mounting hole is a through hole, and a seal is provided between the conductive fastener and the soaking plate, the seal being used to seal between the conductive fastener and the soaking plate.

5. The middle frame assembly according to claim 4, wherein a side surface of the soaking plate facing away from the second side is provided with a first groove, and the second mounting hole is positioned at the bottom of the first groove;

the seal includes a first sealant received in the first recess for sealing between the conductive fastener and a wall of the first recess.

6. The middle frame assembly according to claim 5, wherein a side surface of the soaking plate facing away from the second side is provided with a second groove, and the first groove is positioned at the bottom of the second groove;

the second groove is internally provided with a first filling piece, the first filling piece is used for filling the space in the second groove, and the surface of one side, deviating from the second side, of the first filling piece is a plane perpendicular to the thickness direction of the middle frame.

7. The center assembly of claim 6, wherein the first padding is foam.

8. The center frame assembly according to any one of claims 2 to 7, wherein the soaking plate is welded to the ground portion, and the soaking plate is electrically connected to the ground portion through a welding point therebetween.

9. The center assembly of any one of claims 1-7, wherein an annular second sealant is provided between the soaking plate and the center, the soaking plate and the center are adhesively secured by the second sealant, the mounting opening is located in a range surrounded by the second sealant, and the second sealant is used for sealing between the soaking plate and the center.

10. The mullion assembly of any one of claims 1 to 7, wherein the soaking plate comprises a protruding portion and a covering portion surrounding an edge of the protruding portion, the protruding portion protrudes from the covering portion in a direction away from the second side, a second filling member is provided on a side of the covering portion away from the second side, the second filling member is used for filling a space of a side of the covering portion away from the second side, and a surface of a side of the second filling member away from the second side is a plane perpendicular to a thickness direction of the mullion.

11. The mullion assembly of claim 10, wherein the vapor chamber further comprises a weld at an edge of the enclosure, the weld being welded to the mullion, an orthographic projection of the second shim toward the second side covering the weld, the second shim further configured to shim a space in a side of the weld facing away from the second side.

12. The mullion assembly of any one of claims 1 to 7, wherein the first side has a third recess, a bottom of the third recess has the mounting opening, and the soaking plate is disposed in the third recess.

13. An electronic device comprising a component and a middle frame assembly according to any one of claims 1-12;

the components are arranged in the mounting opening of the middle frame assembly, and the components in the mounting opening are fixedly mounted on the vapor chamber of the middle frame assembly.