Multifunctional direct insertion type precise high-resistance box

Abstract

The utility model provides a multifunctional in-line precision high-resistance box, which relates to the technical field of high-resistance boxes and comprises a high-resistance box body. When the resistor main body needs to be replaced or maintained, the grip is held and pulled, the mounting disc fixed at one end of the grip moves from the fixing frame in the box body along with pulling of the grip, and the moving rods fixed at the four corners of the bottom end of the mounting disc drive the sliding blocks to slide in the sliding grooves along with moving of the mounting disc. A movable rod is moved out of a sleeve, a resistor body in a mounting structure is moved out of a box body, an insertion rod in a placement box is taken out and inserted into a grip, the sleeve and the movable rod are fixed, and a threaded rod is rotated through a holding block; and the baffle connected to the outer wall of the threaded rod is moved out of one side of the mounting box along with rotation of the threaded rod, so that the resistor main body is exposed in the air, parts in the box body do not need to be gradually dismantled by using more tools, and the resistor main body is convenient to replace and inspect.

Description

Technical Field

[0001] The utility model relates to the technical field of high resistance boxes, in particular to a multifunctional direct-insertion precision high resistance box. Background Art

[0002] A high resistance box is an electronic component used in high resistance, low current circuits, with a high resistance value and low current flow capacity. It can effectively control the current in the circuit, thereby protecting the circuit and other electronic components from damage caused by excessive current. It uses matching resistors to achieve high-precision resistance values, and ensures that the resistance value is within the accuracy range by connecting in series, parallel or in combination, combined with a carefully designed circuit.

[0003] However, the prior art cannot conveniently inspect and replace the resistors in the resistor box. In the prior art, the lines are connected to the terminal blocks respectively, and multiple resistor bodies can be connected in series through conductive plates and wires, so as to protect the power supply system of the load. However, the resistor bodies are usually welded or fixed inside the box. When the resistor body is damaged or the resistor body is inspected, it is necessary to use more tools to gradually remove the parts in the box, so that the resistor body is exposed to sight, the operation is time-consuming and labor-intensive, and the portability of maintenance and replacement is reduced. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the resistors in the resistor box cannot be conveniently checked and replaced.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solution: a multifunctional direct-insertion precision high-resistance box, comprising:

[0006] The high-resistance box body comprises a box body, the top of the box body is rotatably connected to a box cover through a hinge, the two sides of the box cover close to one end of the box body are fixedly connected to lock heads, the two sides of the box body close to one end of the lock head are fixedly connected to lock buckles, and the lock head and the lock buckle are snap-connected, a resistor structure is arranged inside the box body, a display screen is fixedly connected to one side of the bottom end of the box cover, a button is fixedly connected to one end of the box cover close to the display screen, and a voltage meter is fixedly connected to one end of the box cover away from the button;

[0007] The mobile body comprises a mobile structure, a mounting structure, a handle and a fixing groove, wherein the mobile structure is arranged inside the box, the mounting structure is arranged inside the box, the handle is arranged above the resistance structure, and the fixing groove is arranged on one side of the mobile structure;

[0008] The heat dissipation body comprises a heat dissipation structure, wherein the heat dissipation structure is arranged on both sides of the box body, a filter is arranged on one side of the heat dissipation structure, and a filter frame is arranged on the side of the heat dissipation structure away from the filter.

[0009] As a preferred embodiment, the resistor structure includes a mounting plate, which is slidably connected to the interior of the box and fixedly connected to the handle, and the top of the mounting plate is fixedly connected with wiring heads arranged equidistantly, and the resistor body is arranged below the wiring heads.

[0010] The technical effect of adopting the above further solution is: the lines to be connected are respectively plugged into the wiring terminals, and the power supply system of the load is protected by connecting multiple resistor bodies in series.

[0011] As a preferred embodiment, the movable structure includes sleeves, and the sleeves are fixedly connected to the four corners of the bottom end of the box body. The top end of the sleeve is slidably connected to a movable rod, and the movable rod is fixedly connected to the mounting plate.

[0012] The technical effect of adopting the above further solution is: the height of the resistor body can be adjusted by sliding the moving rod in the sleeve, so that the resistor body can be moved out of the box, making it easy to replace the resistor body.

[0013] As a preferred embodiment, the movable structure further includes a slider and a slide groove, wherein the slider is fixedly connected to one end of the movable rod close to the sleeve, the slide groove is opened on both sides inside the sleeve, and the slide groove and the slider are slidably connected.

[0014] The technical effect of adopting the above further solution is that the sliding block in the sliding groove can drive the moving rod to move in the sleeve, so as to facilitate the removal of the resistor body from the box.

[0015] As a preferred embodiment, the mounting structure includes a baffle, which is arranged at the bottom end of the mounting disk, and one side of the bottom end of the baffle is threadedly connected to a threaded rod, one side of the baffle is slidably connected to a mounting box, and the mounting box is fixedly connected to the mounting disk, the mounting box is bolted to the resistor body, and the mounting box is rotatably connected to the threaded rod.

[0016] The technical effect of adopting the above further solution is that the baffle can slide on one side of the installation box as the threaded rod rotates, so that the resistor body installed in the installation box is exposed to the sight, which is convenient for maintenance and protection of the resistor body.

[0017] As a preferred embodiment, the installation structure further comprises a placement box, the placement box is fixedly connected to one side of the bottom end of the box body, and an insertion rod is arranged inside the placement box.

[0018] The technical effect of adopting the above further solution is: the insertion rod can be stored by the placement box, and the insertion rod can be inserted into the fixing groove to fix the sleeve and the movable rod, which is convenient for smooth replacement and maintenance of the resistor body.

[0019] As a preferred embodiment, the heat dissipation structure includes mounting frames, which are fixedly connected to both sides of the box body, and the mounting frames are respectively fixedly connected to the filter screen and the filter frame.

[0020] The technical effect of adopting the above further scheme is: the exhaust fan, filter and filter frame can be stably fixed through the mounting frame, so that the exhaust fan can rotate smoothly to discharge the hot air in the box, and the filter and filter frame can also filter dust and impurities smoothly.

[0021] As a preferred implementation, the heat dissipation structure further includes an exhaust fan, and the exhaust fan is rotatably connected to the middle portion of the mounting frame.

[0022] The technical effect of adopting the above further solution is: the hot air in the box can be discharged through the rotation of the exhaust fan, preventing the hot air from accumulating in the box and generating a high temperature to cause damage to the resistor body, thereby protecting the resistor body.

[0023] Compared with the prior art, the advantages and positive effects of the utility model are:

[0024] 1. The utility model is provided with a movable body. When the resistor body needs to be replaced or repaired, the handle is held and pulled, and the mounting plate fixed at one end of the handle moves from the fixed frame in the box body as the handle is pulled, and the movable rods fixed at the four corners of the bottom end of the mounting plate drive the slider to slide in the slide groove as the mounting plate moves, so that the movable rod is moved out of the sleeve, so that the resistor body in the installation structure is moved out of the box body, the insertion rod in the placement box is taken out and inserted into the handle, the sleeve and the movable rod are fixed, and the threaded rod is rotated by the holding block, and the baffle connected to the outer wall of the threaded rod is moved out from one side of the installation box as the threaded rod is rotated, so that the resistor body is exposed to the air, and there is no need to use a large number of tools to gradually remove the parts in the box body, which is convenient for replacing and inspecting the resistor body.

[0025] 2. The utility model is provided with a heat dissipation body. When the temperature in the box is high, the exhaust fan installed on the mounting frame is operated to blow out the hot air in the box to prevent the resistor body from being damaged due to excessive temperature. The filter screen and filter frame installed at both ends of the mounting frame protect the exhaust fan and the interior of the box to prevent dust and impurities from adhering to the exhaust fan or entering the box through the gaps on the mounting frame, thereby improving the heat dissipation effect of the exhaust fan and the cleanliness of the inside of the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of a multifunctional direct-insertion precision high-resistance box provided by the utility model;

[0027] Figure 2 A schematic diagram of the overall structure section of a multifunctional direct-insertion precision high-resistance box provided by the utility model;

[0028] Figure 3 A schematic diagram of the heat dissipation main body structure of a multifunctional direct-plug type precision high-resistance box provided by the utility model;

[0029] Figure 4 A schematic diagram of the mobile structure of a multifunctional direct-insertion precision high-resistance box provided by the utility model;

[0030] Figure 5 The utility model provides a schematic diagram of the installation structure of a multifunctional direct-plug type precision high-resistance box.

[0031] Legend:

[0032] 1. High resistance box body; 11. Box body; 12. Box cover; 13. Lock; 14. Lock; 15. Resistance structure; 151. Mounting plate; 152. Terminal head; 153. Resistance body; 16. Display screen; 17. Button; 18. Voltage meter head; 2. Moving body; 21. Moving structure; 211. Bushing; 212. Moving rod; 213. Slider; 214. Slide; 22. Mounting structure; 221. Baffle; 222. Threaded rod; 223. Mounting box; 224. Placement box; 225. Rod; 23. Handle; 24. Fixing slot; 3. Heat dissipation body; 31. Heat dissipation structure; 311. Mounting frame; 312. Exhaust fan; 32. Filter; 33. Filter frame. DETAILED DESCRIPTION

[0033] 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 in 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.

[0034] See also Figure 1-5 The utility model provides a technical solution: a multifunctional direct-insertion precision high-resistance box, comprising:

[0035] The high resistance box body 1 comprises a box body 11, the top of the box body 11 is rotatably connected with a box cover 12 through a hinge, the box cover 12 is fixedly connected with locks 13 on both sides near one end of the box body 11, the box body 11 is fixedly connected with lock buckles 14 on both sides near one end of the lock head 13, and the lock head 13 and the lock buckle 14 are snap-fitted, a resistor structure 15 is arranged inside the box body 11, the resistor structure 15 comprises a mounting plate 151, the mounting plate 151 is slidably connected to the inside of the box body 11, and the mounting plate 151 is fixedly connected to the handle 23, the top of the mounting plate 151 is equidistantly arranged and fixedly connected with wiring heads 152, and a resistor body 153 is arranged below the wiring head 152, a display screen 16 is fixedly connected to one side of the bottom end of the box cover 12, a button 17 is fixedly connected to the end of the box cover 12 close to the display screen 16, and a voltmeter head 18 is fixedly connected to the end of the box cover 12 away from the button 17;

[0036] The mobile body 2 includes a mobile structure 21, a mounting structure 22, a handle 23 and a fixing groove 24. The mobile structure 21 is arranged inside the box 11, the mounting structure 22 is arranged inside the box 11, the handle 23 is arranged above the resistance structure 15, and the fixing groove 24 is arranged on one side of the mobile structure 21;

[0037] The heat dissipation body 3 includes a heat dissipation structure 31 , which is arranged on both sides of the box body 11 . A filter screen 32 is arranged on one side of the heat dissipation structure 31 , and a filter frame 33 is arranged on the side of the heat dissipation structure 31 away from the filter screen 32 .

[0038] like Figure 4 and Figure 5As shown, the mobile structure 21 includes a sleeve 211, and the sleeve 211 is fixedly connected to the four corners of the bottom end of the box body 11. The top of the sleeve 211 is slidably connected to a mobile rod 212, and the mobile rod 212 is fixedly connected to the mounting plate 151. The mobile structure 21 also includes a slider 213 and a slide groove 214. The slider 213 is fixedly connected to one end of the mobile rod 212 close to the sleeve 211. The slide groove 214 is opened on both sides of the sleeve 211, and the slide groove 214 and the slider 213 are slidably connected. The mounting structure The structure 22 includes a baffle 221, which is arranged at the bottom end of the mounting plate 151, and a threaded rod 222 is threadedly connected to one side of the bottom end of the baffle 221. A mounting box 223 is slidably connected to one side of the baffle 221, and the mounting box 223 is fixedly connected to the mounting plate 151, and the mounting box 223 is bolted to the resistor body 153, and the mounting box 223 is rotatably connected to the threaded rod 222. The mounting structure 22 also includes a placement box 224, which is fixedly connected to one side of the bottom end of the box body 11. , an insert rod 225 is provided inside the placement box 224. When in use, the handle 23 is held and pulled, and the mounting plate 151 fixed at one end of the handle 23 moves from the fixed frame in the box body 11 as the handle 23 is pulled, and the moving rods 212 fixed at the four corners of the bottom end of the mounting plate 151 drive the slider 213 to slide in the slide groove 214 as the mounting plate 151 moves, so that the moving rod 212 is moved out of the sleeve 211, so that the resistor body 153 in the mounting structure 22 is moved out. The resistor body 153 is moved out of the box body 11, the insertion rod 225 in the placement box 224 is taken out and inserted into the handle 23, the sleeve 211 and the movable rod 212 are fixed, and the threaded rod 222 is rotated by the holding block. The baffle 221 connected to the outer wall of the threaded rod 222 is moved out from one side of the installation box 223 as the threaded rod 222 rotates, so that the resistor body 153 is exposed to the air. There is no need to use a large number of tools to gradually remove the parts in the box body 11, which facilitates the replacement and inspection of the resistor body 153.

[0039] like Figure 3 As shown, the heat dissipation structure 31 includes a mounting frame 311, which is fixedly connected to both sides of the box body 11, and the mounting frame 311 is fixedly connected to the filter 32 and the filter frame 33 respectively. The heat dissipation structure 31 also includes an exhaust fan 312, which is rotatably connected to the middle part of the mounting frame 311. When in use, the exhaust fan 312 installed on the mounting frame 311 is operated to blow out the hot air in the box body 11 to prevent the resistor body 153 from being damaged due to excessive temperature. The filter 32 and the filter frame 33 installed at both ends of the mounting frame 311 protect the exhaust fan 312 and the interior of the box body 11 to prevent dust and impurities from adhering to the exhaust fan 312 or entering the box body 11 through the gaps on the mounting frame 311, thereby improving the heat dissipation effect of the exhaust fan 312 and the cleanliness of the interior of the box body 11.

[0040] Working principle: First, remove the lock head 13 from the lock buckle 14, release the fixation of the box cover 12, hold the box cover 12 to rotate, open the box body 11, plug the lines to be connected into the terminal heads 152 respectively, and protect the power supply system of the load through the series connection of multiple resistor bodies 153. Then, hold the handle 23 and pull it. The mounting plate 151 fixed at one end of the handle 23 moves from the fixed frame in the box body 11 as the handle 23 is pulled. The moving rod 212 fixed at the four corners of the bottom of the mounting plate 151 drives the slider 213 to slide in the slide groove 214 as the mounting plate 151 moves, so that the moving rod 212 is moved out of the sleeve 211, so that the resistor body 153 in the mounting structure 22 is moved out of the box body 11, and the insertion rod 225 in the placement box 224 is taken out and plugged into the handle 23. The sleeve 211 and the moving rod 212 are The threaded rod 222 is fixed, and the threaded rod 222 is rotated by the holding block. The baffle 221 connected to the outer wall of the threaded rod 222 is moved out from one side of the mounting box 223 as the threaded rod 222 rotates, so that the resistor body 153 is exposed to the air. There is no need to use a large number of tools to gradually remove the parts in the box 11, which is convenient for replacing and inspecting the resistor body 153. When the temperature in the box 11 is high, the exhaust fan 312 installed on the mounting frame 311 is operated to blow out the hot air in the box 11 to prevent the resistor body 153 from being damaged due to excessive temperature. The filter 32 and the filter frame 33 installed at both ends of the mounting frame 311 protect the exhaust fan 312 and the interior of the box 11 to prevent dust and impurities from adhering to the exhaust fan 312 or entering the box 11 through the gaps on the mounting frame 311, thereby improving the heat dissipation effect of the exhaust fan 312 and the cleanliness of the interior of the box 11.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A multifunctional direct-insertion precision high-resistance box, characterized in that: include: A high-resistance box body (1) comprises a box body (11), the top end of the box body (11) being rotatably connected to a box cover (12) via a hinge, the box cover (12) being fixedly connected to locks (13) on both sides of one end close to the box body (11), the box cover (11) being fixedly connected to lock buckles (14) on both sides of one end close to the lock head (13), and the lock head (13) and the lock buckle (14) being snap-fitted, a resistor structure (15) being arranged inside the box body (11), the bottom end of the box cover (12) being fixedly connected to a display screen (16), the end of the box cover (12) close to the display screen (16) being fixedly connected to a button (17), and the end of the box cover (12) away from the button (17) being fixedly connected to a voltmeter (18); The mobile body (2) comprises a mobile structure (21), a mounting structure (22), a handle (23) and a fixing groove (24), wherein the mobile structure (21) is arranged inside the box (11), the mounting structure (22) is arranged inside the box (11), the handle (23) is arranged above the resistance structure (15), and the fixing groove (24) is arranged on one side of the mobile structure (21); The heat dissipation body (3) comprises a heat dissipation structure (31), wherein the heat dissipation structure (31) is arranged on both sides of the box body (11), a filter screen (32) is arranged on one side of the heat dissipation structure (31), and a filter frame (33) is arranged on the side of the heat dissipation structure (31) away from the filter screen (32).

2. A multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The resistor structure (15) comprises a mounting plate (151), the mounting plate (151) being slidably connected to the interior of the box (11), and the mounting plate (151) being fixedly connected to the handle (23), the top of the mounting plate (151) being equidistantly arranged and fixedly connected with wiring heads (152), and a resistor body (153) being arranged below the wiring heads (152).

3. The multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The movable structure (21) comprises a sleeve (211), the sleeve (211) being fixedly connected to the four corners of the bottom end inside the box body (11), the top end of the sleeve (211) being slidably connected to a movable rod (212), and the movable rod (212) being fixedly connected to the mounting plate (151).

4. The multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The moving structure (21) further comprises a slider (213) and a slide groove (214); the slider (213) is fixedly connected to one end of the moving rod (212) close to the sleeve (211); the slide groove (214) is provided on both sides of the sleeve (211); and the slide groove (214) and the slider (213) are slidably connected.

5. The multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The mounting structure (22) comprises a baffle (221), the baffle (221) being arranged at the bottom end of the mounting plate (151), a threaded rod (222) being threadedly connected to one side of the bottom end of the baffle (221), a mounting box (223) being slidably connected to one side of the baffle (221), the mounting box (223) being fixedly connected to the mounting plate (151), the mounting box (223) being bolted to the resistor body (153), and the mounting box (223) being rotatably connected to the threaded rod (222).

6. The multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The installation structure (22) further comprises a placement box (224), wherein the placement box (224) is fixedly connected to one side of the bottom end inside the box body (11), and an insertion rod (225) is arranged inside the placement box (224).

7. The multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The heat dissipation structure (31) comprises a mounting frame (311), the mounting frame (311) being fixedly connected to both sides of the box body (11), and the mounting frame (311) being fixedly connected to the filter screen (32) and the filter frame (33) respectively.

8. The multifunctional direct-insertion precision high-resistance box according to claim 1, characterized in that: The heat dissipation structure (31) further comprises an exhaust fan (312), wherein the exhaust fan (312) is rotatably connected to the middle part of the mounting frame (311).

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