CN113954001B - Clamping device with protection structure for power switch tube - Google Patents

Abstract

The invention relates to the technical field of power switch tubes, in particular to a clamping device with a protection structure for a power switch tube. The clamping assembly is located at one middle side of the fixing assembly, the connecting assembly is symmetrically located at two sides of one end of the fixing assembly, the fixing assembly comprises a mounting shell, a fixing plate, an embedding groove, a guiding groove, a dislocation groove, a built-in groove, a jacking spring, a guiding rod, a rotating rod and a dislocation block, the fixing plate is evenly arranged on one side of one end of the mounting shell, the embedding groove is formed in one side of one end of the fixing plate, and the dislocation block is fixed at the lower end of the rotating rod through screws.

Description

A clamping device with a protective structure for a power switch tube

technical field

The invention relates to the technical field of power switch tubes, in particular to a clamping device with a protective structure for a power switch tube.

Background technique

Power switch tubes are widely used in daily life. Power switch tubes are also called switch transistors. The shape of switch transistors is the same as that of ordinary transistors. Because it has the function of breaking and connecting, it is widely used in various switching circuits, such as commonly used switching power supply circuits, drive circuits, high-frequency oscillation circuits, analog-to-digital conversion circuits, pulse circuits and output circuits. At present, in the process of using the power switch tubes, multiple groups are often used, so it is necessary to clamp and fix the multiple groups of power switch tubes.

The current publication number is CN206952346U, a heat dissipation structure of an inverter DC welding machine, which solves the problem of heat dissipation of the existing inverter DC welding machine. An insulating layer is pasted on the surface of the heat dissipation plate to isolate the switching power tube and the rectifier diode, resulting in reduced heat dissipation. Unable to meet the long-term, high-intensity work requirements.

In the above-mentioned device, the switch tube is fixed by clamping plates and screws to achieve the purpose of fixing multiple groups of switch tubes during the fixing process, but the fixing method of the above-mentioned device cannot protect the switch tube, and the fixing method is loose and tilted , which leads to the failure of the switching tube to achieve the purpose of stability.

Contents of the invention

The object of the present invention is to provide a clamping device with a protective structure for a power switch tube, so as to solve the problems mentioned in the above process.

In order to achieve the above object, the present invention provides the following technical solution: a clamping device with a protective structure for a power switch tube, the clamping component is located at the middle side of one end of the fixed component, and the connecting component is symmetrically located at both ends of the fixed component. On the other hand, the fixing assembly includes a mounting shell, a fixing plate, an embedded groove, an introduction groove, a dislocation groove, a built-in groove, a jacking spring, a guide rod, a rotating rod and a dislocation block, wherein the fixing plate is placed in a uniform array on the installation housing One end side of the fixed plate, the embedded groove is set on one end side of the fixed plate, wherein the introduction groove is opened on the middle side of one end of the fixed plate, and the dislocation groove is set on the inner end middle side of the fixed plate, wherein the built-in groove is set on the fixed plate The lower side of the inner end of the plate, the jacking spring is located inside the built-in groove, wherein the lead-in rod is located inside the lead-in groove, the rotating rod is arranged through the middle end of the leading rod, and the dislocation block is fixed on the lower end of the rotating rod by screws .

Preferably, the shape of the embedding groove is U-shaped, wherein the dislocation grooves are respectively opened through the introduction groove and the built-in groove, and the rotating rod and the introduction rod are connected by a rotating shaft, and the shape of the dislocation block is the shape of the dislocation groove Similarly, the dislocation block is located inside the built-in groove, and the dislocation block is located at the upper end of the jacking spring.

Preferably, a butt joint groove is provided on the middle side of one end of the fixed plate, wherein elastic plates are symmetrically placed on both sides of the inner end of the butt joint slot, and one end of the elastic plate is screwed to the fixed plate, wherein one end of the elastic plate is An integrally formed conflicting rod is provided, and square grooves are symmetrically formed on both sides of one end of the fixed plate, wherein the square grooves are opened through the docking groove, and a moving sliding rod is placed at the inner end of the square groove, wherein an integrally formed lower end of the moving sliding rod is provided. As for the pressure block, the upper ends of the two moving slide bars are provided with screw-connected control blocks, and the middle side of the other end of the fixed plate is provided with a screw-connected butt plate, wherein the two sides of one end of the butt plate are symmetrically provided with locking slots.

Preferably, the clamping assembly includes an embedded plate, a limiting plate, a working rod, a clamping plate, a protective pad, a guide plate and a switch tube, wherein the limiting plate is embedded in one end of the embedded plate, and the working rod It is symmetrically fixed at both ends of the embedded plate, wherein the clamping plate is fixed at one end of the working bar, and the protective pad is fixed on one side of one end of the clamping plate by glue, and the guide plate is fixed at one end of the clamping plate. The switch tube is located between the two clamping plates.

Preferably, the embedding plate is located inside the embedding groove, wherein the restricting plate is embedded in the middle end of the fixing plate, and the height of the restricting plate is half of the height of the embedding plate, wherein the restricting plate and the guide rod are screwed Connection, the embedded plate, the working rod, the clamping plate and the guide plate are all integrally formed, and the two guide plates are arranged in an inverted figure-eight shape.

Preferably, the connection assembly includes a connection base, a support plate, a buffer pad, a friction pad, a linkage cylinder, a protruding groove, a deformation rod, an extrusion block, a locking column and a distance-extending rod, wherein the support plate is located at the bottom of the connection base. On the middle side of one end, the buffer pad is fixed on one end of the support plate by glue, wherein the friction pad is embedded in one end of the support plate and arranged inside, and the linkage cylinder is fixed on the middle side of one end of the connecting base by screws, and the protruding grooves are symmetrical The deformation rod is symmetrically fixed on both sides of the inner end of the linkage cylinder by screws, wherein the extrusion block is fixed on one end of the deformation rod, and the locking column is located at the inner end of the linkage cylinder. side, where the distance extender is fixed at one end of the locking post by screws.

Preferably, the connection base is symmetrically fixed on both sides of one end of the installation housing by screws, wherein the two support plates are respectively located on one side of the two fixation plates, and the arrangement of the support plates is L-shaped, Wherein the support plate and the friction pad are connected by glue, and one side of the buffer pad is attached to the side of the connection base, and the material used for the buffer pad is a rubber pad.

Preferably, one end of the linkage cylinder is arranged through the support plate, wherein the linkage cylinder is located at the inner end of the friction pad, the position of the extrusion block corresponds to the position of the protruding groove, and the locking post and the linkage cylinder Screwed and fixed, one end of the distance-increasing rod is located between the two deformed rods.

Compared with prior art, the beneficial effect of the present invention is:

1. Through the setting of the present invention, different numbers of splicing can be performed by using the fixing plate on the fixing component to realize the fixing of switch tubes with different numbers of groups. At the same time, the clamping component can be quickly replaced by using the fixing component, and then the replacement can be realized. The purpose of one of the switch tubes, so that it is not necessary to move the position of the other switch tubes, which is convenient for the staff to operate;

2. Through the setting of the present invention, the position of the switch tube can be firmly locked under the action of the clamping component, which can effectively ensure that a switch tube has the ability to be controlled independently, and at the same time, the protection pad can be used to protect the switch tube. The clamping surface is protected to prevent the switch tube from being damaged;

3. Through the setting of the present invention, it is possible to fix the positions of multiple sets of fixing plates under the action of the connecting components, which is convenient for fast and limited fixing of the fixing plates, and at the same time, under the action of the distance extender rod and the extrusion block, it can prevent Shaking occurs between the supporting plate and the connecting base, which can effectively ensure the stability of the fixing plate.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention;

Fig. 2 is a schematic top view of the fixing plate of the present invention;

Fig. 3 is a half-section schematic diagram of a fixed plate of the present invention;

Fig. 4 is a three-dimensional schematic diagram of a docking plate of the present invention;

Fig. 5 is a half-section schematic perspective view of the connection base of the present invention.

In the figure: installation shell 1, fixed plate 11, docking groove 1101, elastic plate 1102, interference rod 1103, square groove 1104, moving slide bar 1105, lower pressing block 1106, control block 1107, docking plate 1108, locking slot 1109 , Embedding groove 12, introduction groove 13, dislocation groove 14, built-in groove 15, jacking spring 16, introduction rod 17, rotation rod 18, dislocation block 19, embedding plate 2, limiting plate 21, working rod 22, clamping plate 23 , protective pad 24, guide plate 25, switch tube 26, connecting base 3, support plate 31, buffer pad 32, friction pad 33, linkage cylinder 34, protruding groove 35, deformation rod 36, extrusion block 37, lock position Column 38, distance extender bar 39.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1 to 5, the present invention provides a technical solution: including a fixing assembly with a replacement function, a clamping assembly with a protection function, and a connection assembly with an anti-shaking function, the clamping assembly is located at one end of the fixing assembly , wherein the connecting components are symmetrically located on both sides of one end of the fixing component, and the fixing component includes a mounting shell 1, a fixing plate 11, an embedded groove 12, an introducing groove 13, a dislocation groove 14, a built-in groove 15, a jacking spring 16, and an introducing rod 17 1. The rotating rod 18 and the dislocation block 19, wherein the fixed plate 11 is placed in an even array on one end side of the installation shell 1, the embedded groove 12 is opened on one end side of the fixed plate 11, and the introduction groove 13 is opened on one end of the fixed plate 11 On the middle side, the misalignment groove 14 is set on the inner side of the fixed plate 11, wherein the built-in groove 15 is set on the lower side of the inner end of the fixed plate 11, and the jacking spring 16 is located inside the built-in groove 15, and the guide rod 17 is located in the guide groove. 13, the rotating rod 18 is arranged through the middle end of the leading rod 17, wherein the dislocation block 19 is fixed on the lower end of the rotating rod 18 by screws.

The shape of the embedding groove 12 is U-shaped, wherein the dislocation groove 14 runs through the introduction groove 13 and the built-in groove 15 respectively, and the rotating rod 18 and the introduction rod 17 are connected by a rotating shaft, and the dislocation block 19 is arranged in the shape of the dislocation groove 14. The shapes are the same, the offset block 19 is located inside the built-in groove 15 , and the offset block 19 is located at the upper end of the pushing spring 16 .

A docking groove 1101 is provided on the middle side of one end of the fixing plate 11, wherein an elastic plate 1102 is symmetrically placed on both sides of the inner end of the docking groove 1101, and one end of the elastic plate 1102 is screwed to the fixing plate 11, wherein one end of the elastic plate 1102 is An integrally formed conflicting rod 1103 is provided, and square grooves 1104 are symmetrically opened on both sides of one end of the fixed plate 11, wherein the square grooves 1104 are opened through the docking groove 1101, and the inner end of the square groove 1104 is placed with a moving slide bar 1105, wherein the lower end of the moving slide bar 1105 is set The integrally formed lower pressing block 1106, the upper ends of the two moving sliders 1105 are provided with a screw-connected control block 1107, and the middle side of the other end of the fixed plate 11 is provided with a screw-connected butt plate 1108, wherein one end of the butt plate 1108 is symmetrically opened on both sides. Slot 1109.

One end of the butt plate 1108 is arranged in a semicircular shape.

Two adjacent fixing plates 11 can be docked and fixed by using the docking groove 1101 and the docking plate 1108, specifically, insert the docking plate 1108 on one fixing plate 11 into the docking groove 1101 on the other fixing plate 11 Then, under the resistance of the docking plate 1108, the elastic plate 1102 deforms and continues to push the docking plate 1108. When the conflicting rod 1103 reaches the position of the locking slot 1109, the elastic plate 1102 resets, and the conflicting rod 1103 snaps into the card. Inside the slot 1109, the docking and fixing between the two fixing plates 11 is completed at this time.

When it is necessary to disengage between the two fixed plates 11, use the square groove 1104 to press down on the control block 1107, so that the moving slide bar 1105 slides inside the square groove 1104, and then the pressing block 1106 will press against the elastic plate 1102. Stretching on one side, at this time the conflicting rod 1103 will tilt, and then the fixing plate 11 is pulled, and the docking plate 1108 will break away from the docking groove 1109, and the disassembly and separation between the two fixing plates 11 can be completed at this time.

The clamping assembly includes an embedded plate 2, a limiting plate 21, a working rod 22, a clamping plate 23, a protective pad 24, a guide plate 25 and a switch tube 26, wherein the limiting plate 21 is embedded in one end of the embedded plate 2, The working bar 22 is symmetrically fixed on both ends of the embedded plate 2, wherein the clamping plate 23 is fixed on one end of the working bar 22, and the protective pad 24 is fixed on one end side of the clamping plate 23 by glue, and the guide plate 25 is fixed on the clip. One end of the holding plate 23 , the switch tube 26 is located between the two holding plates 23 .

The position of the clamping assembly can be fixed by using the embedded plate 2 and the embedded groove 12. At the same time, the guide plate 25 is used to facilitate the clamping plate 23 to clamp the switch tube 26. At the same time, the protective pad 24 can clamp the switch tube 26. The surface is protected to prevent the switch tube 26 from being damaged, and at the same time, the working rod 22 is used to facilitate the clamping plate 23 to better limit the position of the switch tube 26 .

The embedded plate 2 is located inside the embedded groove 12, wherein the limiting plate 21 is embedded in the middle end of the fixed plate 11, and the height of the limiting plate 21 is 1/2 of the height of the embedded plate 2, wherein the limiting plate 21 and the introduction rod 17 Screw connection, embedded plate 2, working rod 22, clamping plate 23 and guide plate 25 are all integrally formed to undertake, wherein the shape of the arrangement of two guide plates 25 presents an inverted figure-eight.

The connection assembly includes a connection base 3, a support plate 31, a buffer pad 32, a friction pad 33, a linkage cylinder 34, a protruding groove 35, a deformation rod 36, an extrusion block 37, a locking post 38 and a distance extender rod 39, wherein the support The plate 31 is located at the middle side of one end of the connecting base 3, and the buffer pad 32 is fixed on one end of the supporting plate 31 by glue, wherein the friction pad 33 is embedded in one end of the supporting plate 31, and the linkage cylinder 34 is fixed on one end of the connecting base 3 by screws Arranged on the middle side, wherein the protruding groove 35 is symmetrically opened on both sides of one end of the linkage cylinder 34, and the deformation rod 36 is symmetrically fixed on both sides of the inner end of the linkage cylinder 34 by screws, wherein the extrusion block 37 is fixed on one end of the deformation rod 36 , the locking column 38 is located at the inner end side of the linkage cylinder 34, wherein the distance extender 39 is fixed on one end of the locking column 38 by a screw.

The connection mode between the support plate 31 and the fixed plate 11 is the same as that between the fixed plate 11 , which facilitates the installation or disassembly of the support plate 31 and the fixed plate 11 .

The connection base 3 is symmetrically fixed on both sides of one end of the installation housing 1 by screws, wherein two support plates 31 are respectively located on one side of the two fixing plates 11, and the shape of the support plates 31 is arranged in an L shape, wherein the support plates 31 and friction The pads 33 are glued together, and one side of the buffer pad 32 is arranged close to the side of the connection base 3, wherein the material used for the buffer pad 32 is a rubber pad.

One end of the linkage cylinder 34 is arranged through the support plate 31, wherein the linkage cylinder 34 is located at the inner end of the friction pad 33, the position of the extrusion block 37 corresponds to the position of the protruding groove 35, and the position between the locking post 38 and the linkage cylinder 34 is For screwing and fixing, one end of the distance-extending rod 39 is located between the two deformation rods 36 .

Working principle: When it is necessary to replace the switching tube 26 on the clamping assembly, there is no need to disassemble the fixing plate 11, and the rotating rod 18 is rotated by the guide rod 17. When the rotating rod 18 rotates to a certain degree, the top spring 16 Under the action of the dislocation block 19 under the action of the dislocation groove 14, it leaves the inside of the built-in groove 15, and then the staff can pull out the insertion rod 17 from the inside of the introduction groove 13 of the insertion groove 12, and the further limiting plate 21 will not After restricting the embedded plate 2, the staff then removes the embedded plate 2 and replaces the switch tube 26 between the two clamping plates 23. When the switch tube 26 needs to be installed, the above steps can be reversed; When it is necessary to fix the support plate 31 on the connection base 3, firstly, the linkage cylinder 34 passes through the support plate 31 and the friction pad 33 in sequence, and further inserts the locking column 38 and the distance extender rod 39 into the interior of the linkage cylinder 34, and puts the The locking column 38 is fixed inside the linkage cylinder 34 , and then the distance extender 39 squeezes the deformation rod 36 , and then the extrusion block 37 squeezes and fixes the friction pad 33 by using the protruding groove 35 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

1. A clamping device with a protective structure for a power switch tube, comprising a fixed assembly with a replacement function, a clamping assembly with a protective function and a connection assembly with an anti-shaking function, characterized in that: the clamping assembly Located at the middle side of one end of the fixed assembly, wherein the connecting assembly is symmetrically located on both sides of one end of the fixed assembly, the fixed assembly includes a mounting shell, a fixed plate, an embedded groove, an introduction groove, a dislocation groove, a built-in groove, a jacking spring, an introduction Rod, rotating rod and dislocation block, wherein the fixed plate is placed in an even array on one end side of the installation shell, the embedded groove is opened on one end side of the fixed plate, and the introduction groove is opened on the middle side of one end of the fixed plate. The misalignment groove is set on the inner side of the fixed plate, wherein the built-in groove is set on the lower side of the inner end of the fixed plate, the jacking spring is located inside the built-in groove, wherein the guide rod is located inside the guide groove, and the rotating rod runs through The middle end of the lead-in rod is arranged, wherein the dislocation block is fixed on the lower end of the rotating rod by screws, and a docking groove is provided on the middle side of one end of the fixing plate, wherein elastic plates are placed symmetrically on both sides of the inner end of the docking groove, and one end of the elastic plate Screw connection with the fixed plate, wherein one end of the elastic plate is provided with an integrally formed resistance bar, and the two sides of one end of the fixed plate are symmetrically opened with square grooves, wherein the square groove runs through the docking groove, and the inner end of the square groove A moving slide bar is placed, wherein the lower end of the moving slide bar is provided with an integrally formed lower pressure block, the upper ends of the two moving slide bars are provided with screw-connected control blocks, and the middle side of the other end of the fixed plate is provided with a screw-connected docking plate, The two sides of one end of the docking plate are symmetrically provided with locking slots, and the clamping assembly includes an embedded plate, a limiting plate, a working rod, a clamping plate, a protective pad, a guide plate and a switch tube, wherein the limiting plate is embedded in the embedded plate. Arranged in the middle of one end, the working rod is symmetrically fixed on both ends of the embedded plate, wherein the clamping plate is fixed on one end of the working rod, the protective pad is fixed on one end of the clamping plate by glue, and the guide plate is fixed At one end of the clamping plate, the switch tube is located between the two clamping plates, the embedded plate is located inside the embedded groove, wherein the limiting plate is embedded in the middle end of the fixing plate, and the height of the limiting plate is One-half of the height of the embedded plate, wherein the screw connection is carried out between the limiting plate and the lead-in rod, and the embedded plate, the working rod, the clamping plate and the guiding plate are all integrally formed to undertake, and two of the The shape of the guide plate arrangement presents an inverted figure-eight shape, and the connection assembly includes a connection base, a support plate, a buffer pad, a friction pad, a linkage cylinder, a protruding groove, a deformation rod, an extrusion block, a locking post and a distance-extending rod , wherein the support plate is located at the middle side of one end of the connecting base, the buffer pad is fixed on one end of the supporting plate by glue, and the friction pad is embedded inside one end of the supporting plate, and the linkage cylinder is fixed in one end of the connecting base by screws Side arrangement, wherein the protruding grooves are symmetrically opened on both sides of one end of the linkage cylinder, and the deformation rod is symmetrically fixed on both sides of the inner end of the linkage cylinder by screws, wherein the extrusion block is fixed on one end of the deformation rod, and the locking position The column is located at the inner end side of the linkage cylinder, wherein the distance extender is fixed on one end of the locking column by screws. 2. A clamping device with a protective structure for a power switch tube according to claim 1, characterized in that: the shape of the embedding groove is U-shaped, and the misalignment grooves respectively run through the introduction groove and the built-in groove. , the rotation shaft is connected between the rotating rod and the introduction rod, wherein the dislocation block is arranged in the same shape as the dislocation groove, the dislocation block is located inside the built-in groove, and the dislocation block is located at the upper end of the jacking spring. 3. A clamping device with a protective structure for a power switch tube according to claim 2, characterized in that: the connecting base is symmetrically fixed on both sides of one end of the installation housing by screws, and two of the The supporting plates are respectively located on one side of the two fixing plates, and the shape of the supporting plates is L-shaped, wherein the supporting plate is glued to the friction pad, and one side of the buffer pad is attached to the side of the connecting base Arrangement, wherein the material used for the buffer pad is a rubber pad. 4. A clamping device with a protective structure for a power switch tube according to claim 3, characterized in that: one end of the linkage cylinder is arranged through the support plate, wherein the linkage cylinder is located at the inner end of the friction pad, so The position of the extruding block corresponds to the position of the protruding groove, wherein the locking column and the linkage cylinder are screwed and fixed, and one end of the distance-increasing rod is located between the two deforming rods.

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