CN216625572U - Low-altitude light-load loss high-reliability switching power supply - Google Patents

Abstract

The utility model relates to the electronic field, in particular to a high-reliability switching power supply with low altitude and light load loss, which comprises a switching power supply body and a connecting frame body; the connecting frame body is arranged above the switching power supply body, and a radiating plate is arranged inside the connecting frame body; a dismounting assembly is arranged between the switching power supply body and the connecting frame body, the dismounting assembly comprises a first through hole, a hollow insertion rod and a positioning frame, the first through hole is formed in two sides of the front end and the rear end of the outer wall of the switching power supply body, two sides of the front end and the rear end of the inner wall of the connecting frame body are both provided with second through holes, and the hollow insertion rod penetrates through the first through hole and is inserted into the matched second through hole; through the design of dismouting subassembly to when carrying out the dismouting between switching power supply and the connection framework, conveniently maintain the operation to switching power supply's internals, brought certain facility for operating personnel.

Description

Low-altitude light-load loss high-reliability switching power supply

Technical Field

The utility model relates to the field of electronics, in particular to a low-altitude light-load loss high-reliability switching power supply.

Background

The switching power supply can convert direct current into high-frequency alternating current and then provide the high-frequency alternating current to the transformer for transformation, and mainly utilizes the switching transistor to switch between a fully-open mode and a fully-closed mode.

With the change of times, low-altitude and light-load loss switching power supplies are also in use, and compared with the traditional silicon controlled power supply, the low-altitude and light-load loss switching power supply has the advantages of high reliability, high power saving performance, small size, light weight and the like.

The conventional switching power supply and a frame are generally connected through bolts, so that the switching power supply and the frame are not convenient to separate, and parts in the power supply cannot be maintained in time.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that the existing high-reliability switching power supply with low-altitude and light-load loss is not convenient to disassemble and assemble, the utility model provides the high-reliability switching power supply with low-altitude and light-load loss.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a high-reliability switching power supply with low altitude and light load loss, which comprises a switching power supply body and a connecting frame body; the connecting frame body is arranged above the switching power supply body, and a radiating plate block is arranged inside the connecting frame body;

a dismounting assembly is arranged between the switching power supply body and the connecting frame body, the dismounting assembly comprises a first through hole, a hollow insertion rod and a positioning frame, the first through hole is formed in two sides of the front end and the rear end of the outer wall of the switching power supply body, two sides of the front end and the rear end of the inner wall of the connecting frame body are both provided with second through holes, and the hollow insertion rod penetrates through the first through hole and is inserted into the matched second through hole; the positioning frame is arranged at the clamping opening of the second through jack and is arranged on the inner surface of the connecting frame body; the one end joint of hollow inserted bar is inside assorted locating frame, the inside both sides of hollow inserted bar all movable mounting have the carriage release lever, and are two sets of be provided with spacing spring between the carriage release lever, the positioning fixture block is all installed at both ends around the carriage release lever lateral wall, positioning fixture block runs through and inserts and sets up assorted inslot on establishing switching power supply body and the link frame body in hollow inserted bar, through the design of dismouting subassembly to in with the switching power supply body with connect and carry out the dismouting between the framework.

Preferably, the both sides of hollow inserted bar inner wall are all fixed mounting have the body of stabilizing rod, and the other end of the body of stabilizing rod runs through and installs spacing plate in the carriage release lever outer wall, can improve the stability of carriage release lever at the removal in-process.

Preferably, the outside fixed mounting of carriage release lever has the handle, and is provided with anti-skidding line on the handle, avoids easily producing the phenomenon of skidding in operation process.

Preferably, a protective pad is arranged between the hollow inserted rod and the positioning frame, and the protective pad is adhered to the inner wall of the positioning frame, so that the phenomenon of abrasion can be avoided.

Preferably, the material of protection pad is the design of rubber material, and is in the state of laminating each other between the other end of protection pad and the hollow inserted bar for hollow inserted bar is more stable with the junction of locating frame.

Preferably, the end cover is arranged outside the hollow insertion rod, the spherical insertion rods are arranged on two sides of the inner surface of the end cover, one ends of the spherical insertion rods, which deviate from the end cover, are inserted into grooves formed in the outer wall of the switching power supply body and matched with each other, and the insertion openings of the first insertion holes can be surrounded.

Preferably, the inner surface of the end cover is glued with a spongy cushion, the other end of the spongy cushion and the limiting spring are in a mutual extrusion state, and the inner space of the end cover is filled.

Preferably, a connecting assembly is arranged between the connecting frame body and the radiating plate block, the connecting assembly comprises sleeve frames, T-shaped blocks and stabilizing bolts, the sleeve frames are arranged on two sides of the radiating plate block, and the sleeve frames are sleeved on the outer wall of the connecting frame body; the T-shaped block is fixedly arranged in the middle of the inner surface of the sleeve frame, positioning openings are formed in two sides of the top end of the connecting frame body, the T-shaped block is inserted into the matched positioning openings, a rubber pad is glued to the inner wall of each positioning opening, and the rubber pad is made of rubber materials; stabilizing bolts are arranged on two sides of the outer wall of the radiating plate block, and the sleeve frame is internally provided with the stabilizing bolts penetrating through the preset holes through threads, so that the radiating plate block can be cleaned.

The utility model has the advantages that:

1. the movable rod can be driven to move in the hollow inserted rod by holding the two groups of handles and then removing and pressing the handles close to each other, the limit spring is extruded to drive the positioning fixture block to move simultaneously, so that the positioning fixture block is separated from the locking state in the switch power supply body or the connecting frame body groove and moves to the inside of the hollow inserted bar, when the switch power supply is in a state of being separated from and clamped with the switch power supply, the hollow insertion rod is in a movable state, the whole structure of the hollow insertion rod is pulled outwards to ensure that the switch power supply is separated from an inserting state between the first through insertion hole and the second through insertion hole, and the switch power supply body and the connecting frame are in a movable state, through the design of the dismounting component, when the switching power supply and the connecting frame body are dismounted, the maintenance operation of the internal parts of the switching power supply is convenient, and certain convenience is brought to operators;

2. through inserting the T-shaped piece and establishing to inside back of assorted location mouth, rubber pad department should insert the state of establishing the end department and laminating each other with the T-shaped piece this moment, after demolising the stabilizing bolt with both sides, it is whole to pull up the cooling plate block immediately, drive the in-process that the cooling plate block shifts up, make the T-shaped piece break away from and establish the state with inserting of location mouth inside, can separate the cooling plate block and be connected between the framework this moment, the operation is washed to cooling plate block department, design through coupling assembling, can separate the cooling plate block with being connected between the framework, then when washing the operation to it, can guarantee the radiating effect of cooling plate block department.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is a schematic top sectional view of a portion of the first embodiment;

FIG. 4 is an enlarged schematic view of a portion A of FIG. 2 according to an embodiment;

FIG. 5 is an enlarged schematic view of a portion B of FIG. 3 according to an embodiment;

FIG. 6 is an enlarged schematic view of a section C in FIG. 5 according to an embodiment;

fig. 7 is a schematic partial sectional view illustrating a second embodiment of the present invention.

In the figure: 1. a switching power supply body; 101. a water-insulating cushion; 2. connecting the frame body; 3. a heat dissipating plate; 4. a first through hole; 401. a second through hole; 402. a hollow inserted link; 403. a travel bar; 404. positioning a fixture block; 405. a limiting spring; 406. a handle; 407. stabilizing the rod body; 408. a limiting plate; 409. a positioning frame; 410. a protective pad; 5. an end cap; 501. a sponge cushion; 502. a spherical insert rod; 6. sleeving a frame; 601. a T-shaped block; 602. positioning the opening; 603. a rubber pad; 604. a stabilizing bolt; 605. and presetting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-6, a low-altitude light-load loss high-reliability switching power supply includes a switching power supply body 1 and a connection frame 2; the connecting frame body 2 is arranged above the switching power supply body 1, and a radiating plate 3 is arranged in the connecting frame body 2;

a dismounting assembly is arranged between the switching power supply body 1 and the connecting frame body 2, the dismounting assembly comprises a first through hole 4, a hollow insertion rod 402 and a positioning frame 409, the first through hole 4 is arranged on two sides of the front end and the rear end of the outer wall of the switching power supply body 1, two sides of the front end and the rear end of the inner wall of the connecting frame body 2 are both provided with a second through hole 401, and the hollow insertion rod 402 penetrates through the first through hole 4 and is inserted into the matched second through hole 401; the positioning frame 409 is arranged at a clamping opening of the second through hole 401, and the positioning frame 409 is arranged on the inner surface of the connecting frame body 2; one end of the hollow insertion rod 402 is clamped inside the matched positioning frame 409, moving rods 403 are movably mounted on two sides inside the hollow insertion rod 402, a limiting spring 405 is arranged between the two moving rods 403, positioning fixture blocks 404 are mounted on the front end and the rear end of the side wall of each moving rod 403, and the positioning fixture blocks 404 penetrate through the hollow insertion rod 402 and are inserted into matched grooves formed in the switching power supply body 1 and the connecting frame body 2; when the switch power supply device works, when the switch power supply body 1 and the connecting frame body 2 need to be separated, firstly, the end cover 5 is pulled towards one end far away from the switch power supply body 1, the end cover 5 is driven to move under the action of force, the spherical insertion rod 502 is extruded, because the spherical insertion end of the spherical insertion rod 502 is made of rubber material, the spherical insertion rod has moving elasticity, and further is deformed under the action of the extrusion force, and then is separated from the locking state in the groove of the outer wall of the switch power supply body 1, because the end cover 5 and the spherical insertion rod 502 are designed into an integral structure, when the spherical insertion rod 502 is separated from the locking state, the end cover 5 and the sponge cushion 501 can be separated from the switch power supply body 1, at the moment, the handles 406 are exposed outside and are in a movable state, at the moment, the two groups of handles 406 are held by hands, and then are pressed towards the removal close to each other, because the handle 406 and the moving rod 403 are designed as an integral structure, the moving rod 403 can be driven to move along with the moving rod 403 in the hollow insertion rod 402 during the pressing process, the stabilizing rod 407 is movably installed in the moving rod 403, and one end of the stabilizing rod 407 is fixedly installed on the inner wall of the hollow insertion rod 402, so that the moving rod 403 can move along with the outside of the stabilizing rod 407 during the moving process, when the moving rod moves to the limiting plate 408, the moving rod 403 can be limited, the limiting spring 405 is simultaneously pressed during the moving process of the moving rod 403, wherein the moving rod 403 and the positioning fixture block 404 are in a mutually connected state, and further during the moving process, the positioning fixture block 404 can be driven to move simultaneously, so that the positioning fixture block 404 is separated from a locking state in the groove of the switching power supply body 1 or the connecting frame 2 and moves to the inside of the hollow insertion rod 402, when the switch power supply is in a disengaged or engaged state, the hollow insertion rod 402 is movably disposed in the first insertion hole 4 and the second insertion hole 401, and then the integral structure of the hollow insertion rod 402 is pulled outwards to drive the movable rod 403 to move integrally to the end away from the switch power supply body 1 and the connecting frame 2 under the action of force, so that the switch power supply body 1 and the connecting frame 2 are separated from the insertion state between the first insertion hole 4 and the second insertion hole 401, and the switch power supply body 1 and the connecting frame 2 are movably disposed at the time, so that the connecting frame 2 can be moved upwards to be separated from the switch power supply body 1, and when circuits existing in the switch power supply body 1 are maintained, the convenience in the disassembly and assembly process is improved, and when the hollow insertion rod 402 is inserted into the first insertion hole 4 and inserted into the second insertion hole 401, and then the positioning fixture block 404 is respectively clamped in the grooves arranged in the switch power supply body 1 and the connecting frame 2, in this case, the switching power supply body 1 and the connection housing 2 can be fixed to each other.

Both sides of the inner wall of the hollow inserted rod 402 are fixedly provided with a stabilizing rod body 407, and the other end of the stabilizing rod body 407 penetrates through the outer wall of the movable rod 403 and is provided with a limiting plate 408; during operation, because the stability body of rod 407 movable mounting is in the inslot of carriage release lever 403, and the one end fixed mounting of the stability body of rod 407 is at the inside wall of hollow inserted bar 402, when the in-process that carriage release lever 403 removed, can make carriage release lever 403 department remove along the stability body of rod 407 outside, when it removed to spacing plate 408 department, can carry out spacing operation to carriage release lever 403, simultaneously through the design of the stability body of rod 407, can improve the stability of carriage release lever 403 in the removal process.

A handle 406 is fixedly arranged outside the moving rod 403, and anti-skid grains are arranged on the handle 406; the during operation, move to one side that is close to the other side through holding two sets of handles 406, because formula structural design as an organic whole between handle 406 and the carriage release lever 403, and then under the effect of power, drive handle 406 and carry out the in-process that removes, can drive carriage release lever 403 and carry out the syntropy motion with it, through this design, the convenience of operating personnel operation has been improved, simultaneously because be provided with anti-skidding line on the handle 406, the frictional force of multiplicable contact surface avoids easily producing the phenomenon of skidding in operation process.

A protective pad 410 is arranged between the hollow inserted link 402 and the positioning frame 409, and the protective pad 410 is glued on the inner wall of the positioning frame 409; during operation, run through hollow inserted bar 402 and insert in first interlude hole 4 and establish to the inside back of second interlude hole 401, locating frame 409 department carries out spacing operation to hollow inserted bar 402 this moment to improve the convenience of follow-up location fixture block 404 and insert and establish the in-process, be convenient for align the hole site with it and insert and establish to switching power supply body 1 or set up the assorted inslot on connecting frame body 2, when the end of inserting at hollow inserted bar 402 was established and locating frame 409 department mutual laminating, through the design of protection pad 410 this moment, make its and hollow inserted bar 402 department at first produce the contact, when can avoiding wearing and tearing, make the junction more stable.

The protection pad 410 is made of rubber, and the other end of the protection pad 410 is attached to the hollow rod 402; in operation, because the protection pad 410 is designed to be rubber, the friction force of the contact surface can be increased in the process of contacting with the hollow plunger 402, so that the connection between the hollow plunger 402 and the positioning frame 409 is more stable.

An end cover 5 is arranged outside the hollow insertion rod 402, spherical insertion rods 502 are arranged on two sides of the inner surface of the end cover 5, and one ends of the spherical insertion rods 502 departing from the end cover 5 are inserted into grooves which are matched with the outer wall of the switching power supply body 1; during operation, through the design of end cover 5, can surround inserting of first through-hole 4 and establish the mouth, when protecting the internals, avoid producing the displacement in structures such as handle 406 under the effect that receives the external force.

A sponge cushion 501 is glued on the inner surface of the end cover 5, and the other end of the sponge cushion 501 and the limiting spring 405 are in a mutual extrusion state; the during operation, when installing end cover 5 in the opening part of first poling hole 4, this moment foam-rubber cushion 501 department should be the state of mutual extrusion with handle 406 department, because foam-rubber cushion 501 is the sponge material, and then under the effect of extrusion force, can make it change along with the shape of handle 406 department, when fixing a position it, pack inner space to avoid end cover 5 when receiving the collision, make it produce the displacement, with handle 406 department friction each other, cause wearing and tearing.

A connecting assembly is arranged between the connecting frame body 2 and the radiating plate 3, the connecting assembly comprises a sleeve frame 6, a T-shaped block 601 and a stabilizing bolt 604, the sleeve frame 6 is arranged on two sides of the radiating plate 3, and the sleeve frame 6 is sleeved on the outer wall of the connecting frame body 2; the T-shaped block 601 is fixedly arranged in the middle of the inner surface of the sleeve frame 6, positioning openings 602 are formed in two sides of the top end of the connecting frame body 2, the T-shaped block 601 is inserted into the matched positioning openings 602, a rubber pad 603 is glued to the inner wall of each positioning opening 602, and the rubber pad 603 is made of rubber; stabilizing bolts 604 are arranged on two sides of the outer wall of the radiating plate 3, and the stabilizing bolts 604 are arranged in the sleeve frame 6 and penetrate through the preset holes 605 through threads; when the radiator block 3 is used for a long time and is contacted with the external environment, so that dust is accumulated in the hole of the radiator block 3, the stabilizing bolt 604 is removed from the threaded connection state with the preset hole 605 through a matching tool, the stabilizing bolts 604 on two sides are removed, then the radiator block 3 is pulled upwards, the radiator block 3 and the sleeve frame 6 are integrally designed, the T-shaped block 601 can be driven to move simultaneously in the process of driving the radiator block 3 to move upwards under the action of force, so that the T-shaped block is separated from the insertion state in the positioning opening 602, the radiator block 3 and the connecting frame body 2 can be separated, the radiator block 3 is washed, certain convenience is brought to an operator through the design, the radiating effect at the radiator block 3 can be ensured, and after the T-shaped block 601 is inserted into the matched positioning opening 602, at this moment, the rubber pad 603 should be inserted with the T-shaped block 601 and establish the end and be in the state of laminating each other, because the cooling plate block 3 is designed for the rubber material, has certain elasticity, inside inserting the T-shaped block 601 and locating the mouth 602, can avoid contacting between T-shaped block 601 and the mouth 602 of location, then produce great frictional force, lead to the phenomenon that the T-shaped block 601 department produces wearing and tearing.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a water-proof pad 101 is glued to the bottom end of the switching power supply body 1, and the water-proof pad 101 is made of rubber; the during operation, when arranging switching power supply body 1 in the table surface, water proof pad 101 department at this moment is at the state of laminating each other with the mesa at first, because water proof pad 101 has certain thickness, can avoid being in the contact between switching power supply body 1 and the mesa, carry out water proof operation to it, simultaneously the material of water proof pad 101 is the rubber material, at the in-process that contacts with the mesa, the frictional force of multiplicable contact surface, make 1 overall structure of switching power supply body more stable at the in-process of placing.

The working principle is that when the switching power supply body 1 and the connecting frame body 2 need to be separated, firstly, the end cover 5 is pulled towards one end far away from the switching power supply body 1, the end cover 5 is driven to be moved under the action of force, the spherical insertion rod 502 is extruded, the spherical insertion end of the spherical insertion rod 502 is made of rubber, the spherical insertion rod 502 has moving elasticity, and is deformed under the action of the extrusion force, and then is separated from the locking state in the groove of the outer wall of the switching power supply body 1, because the end cover 5 and the spherical insertion rod 502 are designed into an integrated structure, when the spherical insertion rod 502 is separated from the locking state, the end cover 5 and the sponge cushion 501 can be separated from the switching power supply body 1, at the moment, the handles 406 are exposed outside and are in the movable state, at the moment, the two groups of handles 406 are held by hands, and then are removed and pressed towards the other side, because the handle 406 and the moving rod 403 are designed as an integral structure, the moving rod 403 can be driven to move along with the moving rod 403 in the hollow insertion rod 402 during the pressing process, the stabilizing rod 407 is movably installed in the moving rod 403, and one end of the stabilizing rod 407 is fixedly installed on the inner wall of the hollow insertion rod 402, so that the moving rod 403 can move along with the outside of the stabilizing rod 407 during the moving process, when the moving rod moves to the limiting plate 408, the moving rod 403 can be limited, the limiting spring 405 is simultaneously pressed during the moving process of the moving rod 403, wherein the moving rod 403 and the positioning fixture block 404 are in a mutually connected state, and further during the moving process, the positioning fixture block 404 can be driven to move simultaneously, so that the positioning fixture block 404 is separated from a locking state in the groove of the switching power supply body 1 or the connecting frame 2 and moves to the inside of the hollow insertion rod 402, when the switch power supply is in a disengaged or engaged state, the hollow insertion rod 402 is movably arranged in the first insertion hole 4 and the second insertion hole 401, and then the integral structure of the hollow insertion rod 402 is pulled outwards to drive the movable rod 403 to integrally move towards one end far away from the switch power supply body 1 and the connecting frame body 2 under the action of force, so that the movable rod is disengaged from the insertion state between the first insertion hole 4 and the second insertion hole 401, and at the moment, the switch power supply body 1 and the connecting frame body 2 are movably arranged, the connecting frame body 2 can be moved upwards to be separated from the switch power supply body 1, and when a circuit existing in the switch power supply body 1 is overhauled, the convenience in the disassembly and assembly process is improved, meanwhile, when the hollow insertion rod 402 penetrates through the first insertion hole 4 and is inserted into the second insertion hole 401, and then the positioning fixture block 404 is respectively clamped in the grooves which are arranged in the switch power supply body 1 and the connecting frame body 2, at this time, the switching power supply body 1 and the connecting frame body 2 can be fixed;

when the heat dissipating plate 3 is used for a long time and contacts with the external environment, so that dust is accumulated in the holes of the heat dissipating plate 3, the stabilizing bolts 604 are removed by a matching tool in a threaded connection state with the preset holes 605, the stabilizing bolts 604 on both sides are removed, then the heat dissipating plate 3 is pulled up, and the heat dissipating plate 3 and the sleeve frame 6 are designed into an integral structure, so that the T-shaped block 601 can be driven to move simultaneously in the process of driving the heat dissipating plate 3 to move upwards under the action of force, so that the T-shaped block is separated from the insertion state in the positioning opening 602, the heat dissipating plate 3 and the connecting frame 2 can be separated, the heat dissipating plate 3 is washed, and a certain convenience is brought to an operator through the design, and the heat dissipating effect at the heat dissipating plate 3 can be ensured at the same time, after the T-shaped block 601 is inserted into the matched positioning opening 602, at this moment, the rubber pad 603 should be inserted with the T-shaped block 601 and establish the end and be in the state of laminating each other, because the cooling plate block 3 is designed for the rubber material, has certain elasticity, inside inserting the T-shaped block 601 and locating the mouth 602, can avoid contacting between T-shaped block 601 and the mouth 602 of location, then produce great frictional force, lead to the phenomenon that the T-shaped block 601 department produces wearing and tearing.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides a high reliability switching power supply of low latitude light load loss which characterized in that: comprises a switching power supply body (1) and a connecting frame body (2); the connecting frame body (2) is arranged above the switching power supply body (1), and a radiating plate (3) is arranged in the connecting frame body (2);

a dismounting assembly is arranged between the switch power supply body (1) and the connecting frame body (2), the dismounting assembly comprises a first through hole (4), a hollow insertion rod (402) and a positioning frame (409), the first through hole (4) is arranged on two sides of the front end and the rear end of the outer wall of the switch power supply body (1), second through holes (401) are arranged on two sides of the front end and the rear end of the inner wall of the connecting frame body (2), and the hollow insertion rod (402) penetrates through the first through hole (4) and is inserted into the matched second through hole (401); the positioning frame (409) is arranged at the clamping opening of the second through hole (401), and the positioning frame (409) is arranged on the inner surface of the connecting frame body (2); the one end joint of hollow inserted bar (402) is inside assorted locating frame (409), the inside both sides of hollow inserted bar (402) all movable mounting have carriage release lever (403), and are two sets of be provided with spacing spring (405) between carriage release lever (403), location fixture block (404) are all installed at both ends around carriage release lever (403) lateral wall, location fixture block (404) run through in hollow inserted bar (402) insert establish and set up the assorted inslot on switching power supply body (1) and connecting frame body (2).

2. The high-reliability switching power supply with low air-to-light load loss according to claim 1, wherein: both sides of the inner wall of the hollow insert rod (402) are fixedly provided with a stabilizing rod body (407), and the other end of the stabilizing rod body (407) penetrates through the outer wall of the movable rod (403) to be provided with a limiting plate (408).

3. The high-reliability switching power supply with low air-to-light load loss according to claim 2, wherein: the outside of the moving rod (403) is fixedly provided with a handle (406), and the handle (406) is provided with anti-skidding threads.

4. The high-reliability switching power supply with low altitude and light load loss according to claim 3, wherein: a protective pad (410) is arranged between the hollow inserted rod (402) and the positioning frame (409), and the protective pad (410) is glued on the inner wall of the positioning frame (409).

5. The high-reliability switching power supply with low air-to-light load loss according to claim 4, wherein: the protection pad (410) is made of rubber, and the other end of the protection pad (410) is attached to the hollow insertion rod (402).

6. The high-reliability switching power supply with low air-to-light load loss according to claim 5, wherein: the external portion of hollow inserted bar (402) is provided with end cover (5), spherical inserted bar (502) are all installed to the both sides of end cover (5) internal surface, and spherical inserted bar (502) deviate from the one end of end cover (5) and insert and locate switching power supply body (1) outer wall and set up the assorted inslot.

7. The high-reliability switching power supply with low air-to-light load loss according to claim 6, wherein: the inner surface of the end cover (5) is glued with a spongy cushion (501), and the other end of the spongy cushion (501) and the limiting spring (405) are in a mutual extrusion state.

8. The high-reliability switching power supply with low air-to-light load loss according to claim 7, wherein: a connecting assembly is arranged between the connecting frame body (2) and the radiating plate block (3), the connecting assembly comprises a sleeve frame (6), a T-shaped block (601) and a stabilizing bolt (604), the sleeve frame (6) is arranged on two sides of the radiating plate block (3), and the sleeve frame (6) is sleeved on the outer wall of the connecting frame body (2); the T-shaped block (601) is fixedly arranged in the middle of the inner surface of the sleeve frame (6), positioning openings (602) are formed in the two sides of the top end of the connecting frame body (2), the T-shaped block (601) is inserted into the matched positioning openings (602), a rubber pad (603) is glued to the inner wall of each positioning opening (602), and the rubber pad (603) is made of rubber materials; stabilizing bolts (604) are arranged on two sides of the outer wall of the radiating plate block (3), and the sleeve frame (6) is internally provided with the stabilizing bolts (604) which penetrate through the preset holes (605) through threads.

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