Built-in bypass type soft starter

Abstract

The utility model relates to the technical field of bypass type soft starters, in particular to a built-in bypass type soft starter which comprises a vertical plate, the front end face of the vertical plate is fixedly connected with a U-shaped connecting base, the upper end face of the U-shaped connecting base is connected with an embedded insertion block in a clamped mode, and the two ends of the embedded insertion block are both connected with two limiting blocks used for fixing the embedded insertion block. According to the utility model, the U-shaped connecting seat and the embedded insertion block are embedded and clamped, so that the built-in bypass type soft starter can be preliminarily fixed, and then the elastic movable convex rod, the L-shaped insertion plate and the top plate can further clamp and position the built-in bypass type soft starter, and a screw fixing mode is not needed; therefore, the built-in bypass type soft starter can be rapidly assembled and disassembled for maintenance work, the two protection rotating plates can be stably fixed through the U-shaped clamping plate and the reinforcing top base, at the moment, the protection rotating plates and the reinforcing top base can protect the built-in bypass type soft starter together, and the safety of the built-in bypass type soft starter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bypass type soft starters, in particular to a built-in bypass type soft starter. Background Art

[0002] The bypass type soft starter needs to be used together with an AC contactor. After the starting process is completed, the contactor will connect the circuit. During operation, the soft starter only plays a monitoring and protection function. When overcurrent, overload, undervoltage, phase loss and other faults occur, the contactor will be issued a disconnect command to ensure the normal operation of the motor and the safety of the equipment.

[0003] The prior art discloses patent application number "CN202321979672.2", which is a built-in bypass soft starter that is easy to maintain, including a shell, the shell is provided with a accommodating cavity opening upward, the side wall of the shell is detachably connected with an accessory box, the accessory box is provided with an installation groove running through the front and back, and the accessory box is arranged on one side of the shell to have a built-in bypass, thereby ensuring safety of use while disassembling the two for quick maintenance.

[0004] The built-in bypass soft starter can only be disassembled for quick maintenance. However, in actual use, since most built-in bypass soft starters are usually fixed in the cabinet with screws, this installation method requires the staff to repeatedly turn the screws, making it inconvenient to quickly install and remove the built-in bypass soft starter for maintenance, thereby affecting the maintenance efficiency of the built-in bypass soft starter and making it inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a built-in bypass soft starter to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A built-in bypass type soft starter comprises a vertical plate, the front end surface of the vertical plate is fixedly connected with a U-shaped connection seat, the upper end surface of the U-shaped connection seat is clamped with an embedded plug-in block, both ends of the embedded plug-in block are connected with two limit blocks for fixing the embedded plug-in block, the front end surface of the embedded plug-in block is fixedly connected with the main body of the built-in bypass type soft starter by screws, and the inner side surface of the U-shaped connection seat is slidably connected with an array of movable protruding rods for fixing the main body of the built-in bypass type soft starter;

[0008] A connecting spring is connected between the movable protruding rod and the U-shaped connecting seat, an armrest side plate is fixedly installed on one side of the movable protruding rod, L-shaped plug plates are slidably connected at both ends of the U-shaped connecting seat, a top plate is slidably connected to the rear end face of the vertical plate, and two L-shaped mounting plates are installed on the rear end face of the vertical plate.

[0009] Preferably, the inner side surface of the L-shaped plug plate passes through the U-shaped connecting seat and extends to the inside of the U-shaped connecting seat, the front side of the top plate passes through the vertical plate and extends to the front end surface of the vertical plate, and two L-shaped mounting plates are provided with two threaded mounting holes at both ends.

[0010] Preferably, the front end face of the U-shaped connecting seat is fixedly connected to two U-shaped support plates, and the inner sides of the two U-shaped support plates are rotatably connected to protective rotary plates for protecting the main body of the built-in bypass soft starter, and the front end faces of the two protective rotary plates are clamped with U-shaped clamping plates for fixing the protective rotary plates.

[0011] Preferably, cooling fans for heat dissipation and temperature reduction are installed inside the two protective rotating plates, and the upper end surfaces of the two protective rotating plates are clamped with reinforced top seats, which are located above the main body of the built-in bypass soft starter, and the upper end surfaces of the reinforced top seats are fixedly connected with rubber protective pads.

[0012] Preferably, one side of the movable protrusion passes through the U-shaped connection seat and extends to both ends of the U-shaped connection seat, one side of the connecting spring is connected to the inner side of the U-shaped connection seat, and one side of the connecting spring is connected to one side of the movable protrusion.

[0013] Preferably, the upper end surface of the U-shaped connecting seat is provided with four positioning grooves, the positioning grooves are adapted to the limiting block, and the lower end surface of the limiting block is snap-connected with the U-shaped connecting seat through the positioning grooves.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model can be used to initially fix the built-in bypass type soft starter through the embedded clamping of the U-shaped connecting seat and the embedded plug block, and then the movable protruding rod with elastic force, the L-shaped plug plate and the top plate can further clamp and position the built-in bypass type soft starter, so that there is no need to use the fixing method of screws, so that the built-in bypass type soft starter can be quickly loaded and unloaded for maintenance work;

[0016] 2. The utility model can be used to stably fix two protective rotary plates by using a U-shaped card plate and a reinforced top seat. At this time, the protective rotary plate and the reinforced top seat can protect the built-in bypass type soft starter together, increase the safety of the built-in bypass type soft starter, and at the same time, the heat dissipation fans at the two protective rotary plates can also play a role in heat dissipation and cooling, which is used to quickly dissipate heat and extend the service life of the built-in bypass type soft starter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Installation diagram of the middle U-shaped connector, embedded plug-in block and limit block;

[0020] Figure 3 This utility model Figure 1 A schematic diagram of the structure of the movable protruding rod and the connecting spring;

[0021] Figure 4 This utility model Figure 1 Schematic diagram of the structure of the middle L-shaped plug plate and the top plate;

[0022] Figure 5 This utility model Figure 1 Installation diagram of the middle protective rotating plate and cooling fan;

[0023] The reference numerals in the figures are as follows:

[0024] 1. Vertical plate; 2. U-shaped connecting seat; 3. Embedded plug-in block; 4. Limit block; 5. Built-in bypass soft starter body; 6. Positioning groove; 7. Movable protruding rod; 8. Connecting spring; 9. Handrail side plate; 10. L-shaped plug-in plate; 11. Top plate; 12. L-shaped mounting plate; 13. U-shaped support plate; 14. Protective rotary plate; 15. U-shaped clamping plate; 16. Cooling fan; 17. Reinforced top seat; 18. Rubber protective pad; 19. Threaded mounting hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 1 to 5 As shown, a built-in bypass type soft starter comprises a vertical plate 1, the front end face of the vertical plate 1 is fixedly connected with a U-shaped connecting seat 2, the upper end face of the U-shaped connecting seat 2 is clamped with an embedded plug 3, and both ends of the embedded plug 3 are connected with two limit blocks 4 for fixing the embedded plug 3. By setting the limit blocks 4, the limit blocks 4 can be used to increase the fixing effect of the embedded plug 3 during installation, so that the entire built-in bypass type soft starter can be installed and used more stably and reliably, the front end face of the embedded plug 3 is fixedly connected with a built-in bypass type soft starter body 5 by screws, and the inner side face of the U-shaped connecting seat 2 is slidably connected with an array of movable protruding rods 7 for fixing the built-in bypass type soft starter body 5;

[0027] A connecting spring 8 is connected between the movable protruding rod 7 and the U-shaped connecting seat 2. An armrest side plate 9 is fixedly installed on one side of the movable protruding rod 7. Through the setting of the armrest side plate 9, as long as the armrest side plate 9 is pulled downward, the armrest side plate 9 will drive the elastic movable protruding rod 7 away from the embedded plug-in block 3, so that it is convenient to remove the restriction on the embedded plug-in block 3 and facilitate the disassembly of the built-in bypass soft starter. Both ends of the U-shaped connecting seat 2 are slidably connected with L-shaped plug-in plates 10, and the rear end face of the vertical plate 1 is slidably connected with a top plate 11, and the rear end face of the vertical plate 1 is installed with two L-shaped mounting plates 12.

[0028] The inner side surface of the L-shaped plug plate 10 passes through the U-shaped connecting seat 2 and extends to the inside of the U-shaped connecting seat 2. The front side of the top plate 11 passes through the vertical plate 1 and extends to the front end surface of the vertical plate 1. Two ends of the two L-shaped mounting plates 12 are each provided with two threaded mounting holes 19.

[0029] The front end face of the U-shaped connecting seat 2 is fixedly connected to two U-shaped support plates 13, and the inner side faces of the two U-shaped support plates 13 are rotatably connected to a protective rotary plate 14 for protecting the built-in bypass type soft starter body 5. Through the setting of the protective rotary plate 14, the protective rotary plate 14 can be used to protect the plastic shell of the built-in bypass type soft starter, making the built-in bypass type soft starter safer and more reliable. The front end faces of the two protective rotary plates 14 are clamped with a U-shaped clamping plate 15 for fixing the protective rotary plates 14.

[0030] The two protective rotary plates 14 are both equipped with cooling fans 16 for heat dissipation and cooling. The upper end surfaces of the two protective rotary plates 14 are clamped with a reinforced top seat 17, which is located above the main body 5 of the built-in bypass soft starter. The upper end surface of the reinforced top seat 17 is fixedly connected with a rubber protective pad 18. By setting the rubber protective pad 18, the elastic protective ability of the reinforced top seat 17 can be increased to prevent the external impact force from directly damaging the built-in bypass soft starter.

[0031] One side of the movable protruding rod 7 passes through the U-shaped connecting seat 2 and extends to both ends of the U-shaped connecting seat 2 , one side of the connecting spring 8 is connected to the inner side of the U-shaped connecting seat 2 , and one side of the connecting spring 8 is connected to one side of the movable protruding rod 7 .

[0032] The upper end surface of the U-shaped connecting seat 2 is provided with four positioning grooves 6 , which are matched with the limiting block 4 , and the lower end surface of the limiting block 4 is snap-fitted with the U-shaped connecting seat 2 via the positioning grooves 6 .

[0033] The working principle of a built-in bypass soft starter provided by the utility model is as follows:

[0034] By clamping the embedded plug block 3 into the U-shaped connecting seat 2, the limit block 4 at the embedded plug block 3 can be used to play a role of limit reinforcement, so as to enhance the stability of the embedded plug block 3 when clamped, and then the elastic movable protruding rod 7 can also be automatically embedded into the two ends of the embedded plug block 3, and then the two L-shaped plug plates 10 are inserted into the interior of the U-shaped connecting seat 2, and the top plate 11 is inserted into the interior of the vertical plate 1, so that the movable protruding rod 7, the L-shaped plug plate 10 and the top plate 11 can be used to clamp and position the built-in bypass type soft starter at the embedded plug block 3, without the need to use the fixing method of screws, so that the built-in bypass type soft starter can be quickly loaded and unloaded for maintenance work, and then the L-shaped mounting plate 12, the threaded mounting hole 19 and the screws can be used to fix the entire vertical plate 1 in the cabinet, so that the built-in bypass type soft starter body 5 can be driven to be fixed;

[0035] By rotating the protective rotary plates 14 at the two U-shaped support plates 13 forward, the two protective rotary plates 14 can be protected in front of the built-in bypass type soft starter body 5, and then the U-shaped clamping plate 15 is clamped in front of the two protective rotary plates 14, and then the reinforced top seat 17 is inserted above the two protective rotary plates 14, which can be used to stably position the two protective rotary plates 14. At this time, the protective rotary plates 14 and the reinforced top seat 17 can protect the built-in bypass type soft starter together, increasing the safety of the built-in bypass type soft starter. At the same time, the heat dissipation fans 16 at the two protective rotary plates 14 can also play a role in heat dissipation and cooling, which is used to quickly dissipate heat and extend the service life of the built-in bypass type soft starter.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A built-in bypass type soft starter, comprising a vertical plate (1), characterized in that: The front end surface of the vertical plate (1) is fixedly connected to a U-shaped connection seat (2), the upper end surface of the U-shaped connection seat (2) is clamped with an embedded plug-in block (3), both ends of the embedded plug-in block (3) are connected to two limit blocks (4) for fixing the embedded plug-in block (3), the front end surface of the embedded plug-in block (3) is fixedly connected to a built-in bypass type soft starter body (5) by screws, and the inner side surface of the U-shaped connection seat (2) is slidably connected to an array of movable protruding rods (7) for fixing the built-in bypass type soft starter body (5); A connecting spring (8) is connected between the movable protruding rod (7) and the U-shaped connecting seat (2); a handrail side plate (9) is fixedly installed on one side of the movable protruding rod (7); both ends of the U-shaped connecting seat (2) are slidably connected with L-shaped plug plates (10); the rear end surface of the vertical plate (1) is slidably connected with a top plate (11); and the rear end surface of the vertical plate (1) is installed with two L-shaped mounting plates (12).

2. A built-in bypass soft starter according to claim 1, characterized in that: The inner side surface of the L-shaped plug plate (10) passes through the U-shaped connecting seat (2) and extends to the interior of the U-shaped connecting seat (2), the front side of the top plate (11) passes through the vertical plate (1) and extends to the front end surface of the vertical plate (1), and two through-going threaded mounting holes (19) are provided at both ends of the two L-shaped mounting plates (12).

3. A built-in bypass soft starter according to claim 1, characterized in that: The front end surface of the U-shaped connecting seat (2) is fixedly connected to two U-shaped support plates (13), the inner side surfaces of the two U-shaped support plates (13) are rotatably connected to protective rotary plates (14) for protecting the built-in bypass type soft starter body (5), and the front end surfaces of the two protective rotary plates (14) are clamped with U-shaped clamping plates (15) for fixing the protective rotary plates (14).

4. A built-in bypass soft starter according to claim 3, characterized in that: A heat dissipation fan (16) for heat dissipation and temperature reduction is installed inside the two protective rotary plates (14); a reinforcement top seat (17) is clamped on the upper end faces of the two protective rotary plates (14); the reinforcement top seat (17) is located above the built-in bypass type soft starter body (5); and a rubber protection pad (18) is fixedly connected to the upper end face of the reinforcement top seat (17).

5. A built-in bypass soft starter according to claim 1, characterized in that: One side of the movable protruding rod (7) passes through the U-shaped connecting seat (2) and extends to both ends of the U-shaped connecting seat (2), one side of the connecting spring (8) is connected to the inner side surface of the U-shaped connecting seat (2), and one side of the connecting spring (8) is connected to one side of the movable protruding rod (7).

6. A built-in bypass soft starter according to claim 1, characterized in that: The upper end surface of the U-shaped connecting seat (2) is provided with four positioning grooves (6), the positioning grooves (6) are adapted to the limiting block (4), and the lower end surface of the limiting block (4) is snap-connected to the U-shaped connecting seat (2) via the positioning grooves (6).

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