Support frame connecting structure of portable power supply equipment

Abstract

The utility model discloses a support frame connecting structure of portable power supply equipment, which comprises a casing, an electric energy generating device and a frame, and the electric energy generating device is connected with the casing through the frame. The machine shell is connected with the frame through a supporting frame, a supporting frame top face, a supporting frame bottom face and supporting frame side faces are arranged on the supporting frame, the supporting frame top face is connected with the top of the machine shell through a first fastener, a handle is arranged on the top of the machine shell, and the handle is arranged close to the supporting frame top face. The bottom face of the supporting frame is connected with the top of the frame through a second fastener, a roller device A is arranged on the machine shell, the side face of the supporting frame is connected with the roller device A through a third fastener, and the machine shell is located between the roller device A and the side face of the supporting frame. According to the utility model, a plastic casing with low strength is allowed to be adopted, and the power supply equipment designed by the patent has the obvious advantages of high strength, light weight, low cost and attractive appearance.

Description

TECHNICAL FIELD

[0001] The utility model relates to power supply equipment lighting technical field, concretely is a portable power supply equipment's support frame connecting structure. BACKGROUND

[0002] In prior art, portable power supply equipment mainly includes four categories of products: portable power station, generator set driven by internal combustion engine, solar power station and welding machine etc. Power supply equipment has wide application, such as self-contained power source, emergency power, power supply, power generation in power shortage area or for material welding etc.

[0003] Power supply equipment is mainly composed of electric energy generating device and casing, and handle for moving is usually arranged on the top of casing, and roller device is arranged on the bottom, since electric energy generating device is heavy, the casing of prior art power supply equipment is usually made of metal plate to ensure structural strength, and the handle on the top and the roller device on the bottom are directly connected with metal casing to ensure connecting strength, but since metal casing is heavy, this design reduces the portability of power supply equipment. The metal casing of prior art power supply equipment is relatively heavy, and the cost is high, which is not suitable for application in portable power supply equipment. SUMMARY

[0004] The utility model aims at providing a portable power supply equipment's support frame connecting structure, which aims at improving the problems of prior art power supply equipment, such as heavy metal casing, high cost and unsuitable application in portable power supply equipment.

[0005] The utility model is realized in this way:

[0006] A portable power supply equipment's support frame connecting structure, including casing and electric energy generating device, further including frame, the electric energy generating device is arranged in the frame, and the electric energy generating device is connected with the casing through the frame, and the casing is used for enclosing the electric energy generating device and the frame, the casing and the frame are connected through support frame, the support frame top surface, support frame bottom surface and support frame side surface are arranged on the support frame, the support frame top surface is connected with the casing top through first fastener, the handle is arranged on the casing top, and the handle is arranged close to the support frame top surface, the support frame bottom surface is connected with the frame top through second fastener, the roller device A is arranged on the casing, the support frame side surface is connected with the roller device A through third fastener, and the casing is located between the roller device A and the support frame side surface.

[0007] Further, the top surface of the shell is provided with a first connecting hole, the top surface of the support frame is provided with a top surface threaded hole, the first fastener is a screw, the screw is connected with the top surface threaded hole through the first connecting hole, so that the support frame and the top of the shell are connected together.

[0008] Further, the top of the shell is connected with a plurality of support frames, the top surface of the support frame is a plane structure, and the top surface of the support frame is attached to the inner wall of the shell top surface.

[0009] Further, the second fastener comprises a stud arranged on the top of the frame and a nut mounted on the stud, the bottom surface of the support frame is provided with a second connecting hole, and the stud is connected with the nut through the second connecting hole, so that the support frame and the top of the frame are connected together.

[0010] Further, the bottom surface of the support frame is provided with a plurality of second connecting holes, the top of the frame is provided with a plurality of studs, and the studs are connected with the frame through a riveting or welding process.

[0011] Further, the top of the frame is connected with a plurality of support frames, the bottom surface of the support frame is a plane structure, and the bottom surface of the support frame is attached to the top surface of the frame.

[0012] Further, the side surface of the support frame is provided with a side surface threaded hole, the third fastener is a bolt, and the third fastener is connected with the side surface threaded hole through the shell, so that the support frame and the roller device A are connected together.

[0013] Further, the side surface of the support frame is a plane structure, and the side surface of the support frame is attached to the inner wall of the shell rear part.

[0014] Further, the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are connected through a connecting piece, and the handle is connected with the top of the upper shell.

[0015] Further, the upper shell and the lower shell are made of plastic material, and the frame and the support frame are made of metal plate.

[0016] Compared with the prior art, the utility model has the advantages that: the utility model discloses a special connecting structure between the electric energy generating device and the top and rear part of the shell, which can ensure that the electric energy generating device is connected with the top and rear force receiving part of the shell with high strength, and the stress of the shell can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a perspective view of the utility model;

[0018] Figure 2 is an exploded view of the utility model;

[0019] Figure 3 is a front view of the utility model;

[0020] Figure 4 is a B-B sectional view of Figure 3 ;

[0021] Figure 5 is a magnified view of C area in Figure 4 ;

[0022] Figure 6 is a perspective view of the frame and each support frame connected of the utility model;

[0023] Figure 7 is a perspective view of the support piece of the utility model under the overhead view;

[0024] Figure 8 is a perspective view of the support piece of the utility model under the bottom view.

[0025] In the drawing: 1, the casing; 2, electric energy generating device; 3, frame; 4, support frame; 5, support frame top surface; 6, support frame bottom surface; 7, support frame side surface; 8, first fastener; 9, second fastener; 10, briquetting; 11, first connecting hole; 12, top surface threaded hole; 13, second connecting hole; 14, handle; 15, side surface threaded hole; 16, upper casing; 17, lower casing; 18, connecting piece. DETAILED DESCRIPTION

[0026] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can indirectly connect through intermediate medium, can be the communication of two elements or the interaction of two elements.For the ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0027] The following is further illustrated in conjunction with the drawings and specific embodiments:

[0028] The portable power supply devices described in the present application mainly include the following four categories of products: portable power stations, generator sets driven by internal combustion engines, solar photovoltaic power stations, and welding machines.

[0029] The power storage power supply mainly includes batteries, inverters, and controllers, etc., and can charge the batteries from the mains, solar energy, wind power generators, or various fuel generators. The inverter can convert the direct current of the battery into alternating current output. Of course, various direct current outputs can be added according to needs, and various protection functions can be added through the controller to control the input and output.

[0030] The generator set is mainly composed of an engine, a generator, and an electric control system. The generator outputs electric energy under the drive of the engine and can convert the chemical energy of fuel oil or gas into electric energy. For a digital generator, an inverter is also included. The inverter can convert the intermediate frequency alternating current output by the generator into a stable voltage at various speeds.

[0031] The solar photovoltaic power station converts solar energy into electric energy by using a solar panel and converts the direct current from the solar panel or the battery into alternating current output through an inverter and an electric control system. The welding machine mainly includes a transformer and an electric control system. The transformer reduces the alternating current / direct current from the mains, the generator, or the battery, and outputs low-voltage, high-current alternating current and / or direct current after processing by the electric control system, thereby melting metal materials for welding through high current.

[0032] The utility model has an electric energy generating device, and the electric energy generating device is different according to the different four power supply devices. The electric energy generating device of the portable power storage power supply is mainly a battery, an inverter, and a controller. The electric energy generating device of the generator set is mainly an engine, a generator, and an inverter. The electric energy generating device of the solar photovoltaic power station is mainly an inverter and an electric control system. Of course, the power storage type solar power station also includes a storage battery. The electric energy generating device of the welding machine is mainly a transformer and an electric control system.

[0033] As Figure 1 , Figure 2 and Figure 6As shown, a portable power supply device support frame connecting structure, including a casing 1, an electric energy generating device 2 and a frame 3, the electric energy generating device 2 is arranged inside the frame 3, the electric energy generating device 2 is connected with the casing 1 through the frame 3, the casing 1 is used to enclose the electric energy generating device 2 and the frame 3. In order to facilitate the movement of the whole machine, the front of the casing 1 is provided with a handle, the rear of the casing 1 is provided with a roller device A and a roller device D, the roller device D is located below the roller device A, the roller device D is arranged at the bottom of the casing, the bottom of the casing is also provided with a pull rod device and a plurality of supporting feet, the supporting feet are made of soft material. The casing 1 includes an upper casing 16 and a lower casing 17, the upper casing 16 is connected with the lower casing 17 through a connecting piece 18, the upper casing 16 and the lower casing 17 are made of plastic material, which is convenient to reduce the weight of the whole machine. The frame 3 is made of metal plate, the metal frame 3 has sufficient connection strength, the metal frame 3 is a hollow structure, which reduces the weight as much as possible.

[0034] As shown, Figures 2-8 The casing 1 and the frame 3 are connected through a plurality of support frames 4, the support frames 4 are made of metal plate and have sufficient connection strength. The support frame 4 is provided with a support frame top surface 5, a support frame bottom surface 6 and a support frame side surface 7. The support frame top surface 5 is connected with the top of the casing through a first fastener 8, the support frame top surface 5 is a plane structure, and the support frame top surface 5 is attached to the inner wall of the casing top. The top of the casing 1 is provided with a first connecting hole 11, and the support frame top surface 5 is provided with a top surface threaded hole 12. The first fastener 8 is a screw, which is connected with the top surface threaded hole 12 through the first connecting hole 11, so as to connect the support frame with the top of the casing together. The top surface threaded hole 12 can be realized by directly machining a threaded hole on the support frame 4, or by pressing a rivet or welding a nut on the support frame 4. The top of the casing 1 is provided with a handle 14, which is arranged close to the support frame top surface 5 and connected with the top of the casing through a pressing block 10.

[0035] As shown, Figures 5-8 The support frame bottom surface 6 is connected with the top of the frame 3 through a second fastener 9, the second fastener 9 includes a stud arranged on the top of the frame 3 and a nut mounted on the stud, the support frame bottom surface 6 is provided with a second connecting hole 13, the stud is connected with the nut through the second connecting hole 13, so as to connect the support frame with the top of the frame 3 together. The support frame bottom surface 6 is a plane structure, and the support frame bottom surface 6 is attached to the top of the frame 3. The support frame bottom surface 6 is provided with a plurality of second connecting holes 13, and the top of the frame 3 is provided with a plurality of studs, which are connected with the frame 3 through a pressing rivet or welding process.

[0036] As shown, Figures 5-8As shown, the support frame side 7 is connected with the roller device A through a third fastener, the support frame side 7 is provided with a side threaded hole 15, the third fastener is a bolt, the third fastener penetrates the shell and is connected with the side threaded hole 15, so that the support frame and the roller device A are connected together, and the shell 1 is located between the roller device A and the support frame side 7. The support frame side 7 is a plane structure, and the support frame side 7 is attached to the inner wall of the shell at the rear of the shell. Each side threaded hole 15 on the support frame 4 can be realized by directly machining a threaded hole on the support frame 4, or by pressing a rivet or welding a nut on the support frame 4.

[0037] The stress principle of the utility model: the frame 3 of the utility model fixed power generation device 2 is made of metal plate, the metal frame 3 has sufficient connecting strength, the metal frame 3 top is connected with the top of the shell near the handle through the metal support frame 4, when the machine is lifted by the handle 14, the support frame 4 can bear all the gravity of the power generation device, effectively avoid the stress of the shell 1, have the best connecting strength. In addition, the roller device A of the utility model is also connected with the metal support frame 4, the external force borne by the roller device A and the gravity of the power generation device 2 are directly transmitted to the metal frame 3 by the metal support frame 4, effectively avoiding the stress of the shell 1, ensuring the connecting strength, so the patent design allows to use the plastic shell with lower strength.

[0038] In summary, the utility model discloses a special connecting structure between the power generation device 2 and the top and rear of the shell, the metal frame 3 is used to fix the power generation device 2, the metal frame 3 is connected with the top of the shell near the handle through the metal support frame 4, and the side of the metal support frame 4 is also connected with the roller device A at the rear of the shell, so that the power generation device 2 can be connected with the top and rear stress parts of the shell with high strength. Since the strength of the shell 1 has no effect on the strength of the connecting structure, the patent allows to use the plastic shell with lower strength. The weight and cost of the plastic shell are much lower than those of the metal shell, and the power supply equipment designed according to the patent has the obvious advantages of high strength, light weight, low cost and beautiful appearance, which is very suitable for application in various portable power supply equipment products and has obvious technical advantages.

[0039] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A support frame connection structure for a portable power supply device, comprising a housing and an electric energy generating device, characterized in that: The frame is internally provided with the electric energy generating device, and the electric energy generating device is connected with the casing through the frame; the casing and the frame are connected through a support frame; the support frame is provided with a support frame top surface, a support frame bottom surface and a support frame side surface; the support frame top surface is connected with the top of the casing through a first fastener; the top of the casing is provided with a handle; the handle is arranged close to the support frame top surface; the support frame bottom surface is connected with the top of the frame through a second fastener; the casing is provided with a roller device A; the support frame side surface is connected with the roller device A through a third fastener; the casing is between the roller device A and the support frame side surface.

2. The support frame connecting structure of a portable power supply device according to claim 1, wherein The top surface of the casing is provided with a first connecting hole; the support frame top surface is provided with a top surface threaded hole; the first fastener is a screw; the screw is connected with the top surface threaded hole through the first connecting hole, so as to connect the support frame with the top of the casing.

3. The support frame connecting structure of a portable power supply device according to claim 2, wherein The top of the casing is connected with a plurality of support frames; the support frame top surface is a plane structure; and the support frame top surface is attached to the inner wall of the casing top surface.

4. The support frame connecting structure of a portable power supply device according to claim 1, wherein The second fastener includes a stud arranged on the top of the frame and a nut mounted on the stud; the support frame bottom surface is provided with a second connecting hole; and the stud is connected with the nut through the second connecting hole, so as to connect the support frame with the top of the frame.

5. The support frame connecting structure of a portable power supply device according to claim 4, wherein The support frame bottom surface is provided with a plurality of second connecting holes; the top of the frame is provided with a plurality of studs; and the studs are connected with the frame through a riveting or welding process.

6. The support frame connecting structure of a portable power supply device according to claim 5, wherein The top of the frame is connected with a plurality of support frames; the support frame bottom surface is a plane structure; and the support frame bottom surface is attached to the top of the frame.

7. The support frame connecting structure of a portable power supply device according to claim 1, wherein The support frame side surface is provided with a side surface threaded hole; the third fastener is a bolt; and the third fastener is connected with the side surface threaded hole through the casing, so as to connect the support frame with the roller device A.

8. The support frame connecting structure of a portable power supply device according to claim 7, wherein The support frame side surface is a plane structure; and the support frame side surface is attached to the inner wall of the casing rear part.

9. The support frame connecting structure of a portable power supply device according to claim 1, wherein The casing includes an upper casing and a lower casing; the upper casing and the lower casing are connected through a connecting piece; and the handle is connected with the top of the upper casing.

10. The support frame connecting structure of a portable power supply device according to claim 9, wherein The upper casing and the lower casing are made of plastic material; and the frame and the support frame are made of metal plate. The upper casing and the lower casing are made of plastic material; and the frame and the support frame are made of metal plate.

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