Controller shell capable of adjusting speed change of fan

Abstract

The invention discloses a controller shell capable of adjusting the speed change of a fan, and particularly relates to the technical field of controller shells, the controller shell comprises a lower shell and an upper shell, and the upper shell is arranged above the lower shell; the connecting mechanism comprises positioning blocks fixedly connected to the four ends of the bottom side of the upper shell, and bosses are arranged at the four ends of the inner side of the lower shell. The connecting mechanism is arranged between the upper shell and the lower shell, the connecting mechanism is composed of a plurality of sets of positioning blocks, positioning grooves, limiting columns, limiting holes and the like, the positioning blocks can be inserted into the positioning grooves during butt joint, then the limiting columns stretch out of the positioning blocks and are inserted into the limiting holes, and therefore the positioning blocks can be fastened in the positioning grooves; on the contrary, fixing can be relieved by pressing the limiting columns so as to facilitate separation, then disassembly and assembly between the lower shell and the upper shell can be rapidly and conveniently achieved, internal electrical elements can be conveniently maintained, operation is easy and convenient, working efficiency is high, and the using effect of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of controller shell, in particular to a controller shell with adjustable fan speed. BACKGROUND

[0002] For the control of the heat dissipation fan of the colloidal heating module, due to environmental changes and colloidal flow, etc., there will be phased temperature changes. In order to adjust the fan speed change, the electrical components will generate heat, so a good heat dissipation performance shell is needed, and the shell should also have the characteristics of easy installation and small size, so as to match the installation in the limited space of the electrical control cabinet. But the existing controller shell is mostly one-piece or split-up structure, among which the one-piece is not convenient to disassemble and maintain, and the split-up structure mostly uses a large number of bolts for fixed connection, so that the shell is extremely inconvenient to install or disassemble, time-consuming and laborious to operate, low in work efficiency, and greatly affects the use effect. SUMMARY

[0003] The purpose of the present application is to provide a controller shell with adjustable fan speed, which sets a connecting mechanism between the upper shell and the lower shell, the connecting mechanism is composed of a plurality of positioning blocks, positioning grooves, limiting columns and limiting holes, etc. When docking, the positioning blocks can be inserted into the positioning grooves, and then the limiting columns extend out of the positioning blocks and are inserted into the limiting holes, so that the positioning blocks can be fastened in the positioning grooves, and vice versa, by pressing the limiting columns, the fixing can be released for separation, so that the disassembly and assembly of the lower shell and the upper shell can be quickly and conveniently realized, the internal electrical components can be conveniently maintained, the operation is simple and convenient, the work efficiency is high, and the use effect of the device is greatly improved, so as to solve the above technical deficiencies.

[0004] In order to achieve the above purpose, the present application provides the following technical scheme: a controller shell with adjustable fan speed, comprising: a lower shell and an upper shell, the upper shell is arranged above the lower shell; a connecting mechanism, the connecting mechanism comprises positioning blocks fixedly connected to the four ends of the bottom side of the upper shell, the inner side of the lower shell is provided with four bosses, the top end of each of the four bosses is provided with a positioning groove, and the positioning blocks can be inserted and matched in the positioning grooves; a cavity is formed in the inside of each of the four positioning blocks, a first spring is fixedly arranged at one end of the cavity, one end of the first spring is connected with a stop block, the stop block is slidingly matched in the cavity, one end of the stop block relative to the first spring is connected with a limiting column, the limiting column extends to the outside of the positioning block relative to one end of the stop block, limiting holes are formed in the top four sides of the lower shell and communicated with the positioning grooves, and the end of the limiting column can be inserted and matched in the limiting holes.

[0005] Preferably, the top end of the lower shell is symmetrically connected with an L-shaped clamping arm through a rotating shaft on both sides, the upper shell is provided with a side recess on both sides, the top end of the L-shaped clamping arm is clamped in the side recess, and the inner top end of the L-shaped clamping arm is fixed with a second spring, and the second spring is connected with a pressing plate at one end.

[0006] Preferably, a pull rod is connected between the top end of the L-shaped clamping arm and the second spring, one end of the pull rod is fixedly connected with the pressing plate, and the other end of the pull rod is fixed with a pull handle.

[0007] Preferably, the pressing plate is provided with a plug on one side relative to the second spring, and the inner bottom end of the side recess is provided with a plug groove facing the plug.

[0008] Preferably, the inner bottom end of the lower shell is embedded with a fixed plate, the four ends of the fixed plate are provided with notches matched with the bosses, a plurality of slide cavities are formed in the inner bottom side of the lower shell, a plurality of third springs are fixedly connected between the bottom side of the fixed plate and the lower shell on the side close to the slide cavities, fourth springs are symmetrically fixed at both ends in the slide cavities, one end of each of the two fourth springs is connected with a sliding block, the two sliding blocks are slidingly fitted in the slide cavities, and support arms are symmetrically connected between the two sliding blocks and the fixed plate through rotating shafts.

[0009] Preferably, a support rod is fixedly connected in the slide cavity, and the fourth spring and the sliding block are slidingly sleeved outside the support rod.

[0010] Preferably, the top side of the fixed plate is provided with a plurality of mounting frames, and the top side of the mounting frame is provided with a mounting hole.

[0011] Preferably, the upper shell is provided with a heat dissipation groove on both sides.

[0012] Preferably, the bottom side of the lower shell is symmetrically provided with a track clamping groove at both ends.

[0013] In the above technical solution, the present application provides technical effects and advantages: By arranging the connecting mechanism between the upper shell and the lower shell, the connecting mechanism is composed of a plurality of positioning blocks, positioning grooves, limiting columns and limiting holes, etc. When docking, the positioning blocks are inserted into the positioning grooves, and then the limiting columns are inserted into the limiting holes outside the positioning blocks, so that the positioning blocks can be tightly fastened in the positioning grooves. Conversely, by pressing the limiting column, the fixing can be released for separation, thereby quickly and conveniently realizing the disassembly of the lower shell and the upper shell, facilitating the maintenance of the internal electrical elements, simple and convenient operation, high working efficiency, and greatly improving the use effect of the device. By symmetrically arranging two groups of L-shaped clamping arms, second springs and pressing plates, and through cooperation of structures such as side recesses and insertion grooves, the L-shaped clamping arms can be rotated and clamped at the top end in the inner wall of the side recess, so that the L-shaped clamping arms can be locked between the upper shell and the lower shell, and the stability of the connection between the upper shell and the lower shell can be further enhanced. By arranging a fixed plate and a buffer assembly in the lower shell, the buffer assembly is composed of multiple groups of third springs, sliding cavities, sliding blocks, support arms and fourth springs, when the electrical element is subjected to vibration impact, the vibration impact can be greatly reduced under the buffering effect of the structure, and the electrical element can be effectively buffered and protected, and the safety is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Figure 1 It is one of the overall structure schematic diagram of the present application; Figure 2 It is the second overall structure schematic diagram of the present application; Figure 3 It is a longitudinal sectional view of the upper shell and the lower shell of the present application; Figure 4 It is a three-dimensional structure schematic diagram of the lower shell of the present application; Figure 5 It is a connection structure schematic diagram of the sliding block and the support arm of the present application; Figure 6 It is a longitudinal sectional view of the L-shaped clamping arm of the present application; Figure 7 It is a three-dimensional structure schematic diagram of the upper shell of the present application; Figure 8 It is a three-dimensional structure schematic diagram of the upper shell of the present application; Figure 9 It is a schematic diagram of the internal structure of the positioning block.

[0016] Explanation of reference signs: 1, lower shell; 2, upper shell; 3, track clamping groove; 4, heat dissipation groove; 5, side recess; 6, positioning groove; 7, limiting hole; 8, positioning block; 9, cavity groove; 10, first spring; 11, stop block; 12, limiting column; 13, L-shaped clamping arm; 14, second spring; 15, pressing plate; 16, pull rod; 17, pull handle; 18, plug; 19, insertion slot; 20, fixed plate; 21, mounting frame; 22, boss; 23, third spring; 24, sliding cavity; 25, sliding block; 26, fourth spring; 27, support arm; 28, support rod. DETAILED DESCRIPTION

[0017] In order for those skilled in the art to better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0018] The present application provides a controller shell for adjustable fan speed control as shown in Figures 1-9 The controller shell comprises: A lower shell 1 and an upper shell 2, the upper shell 2 is arranged above the lower shell 1. Both sides of the upper shell 2 are provided with heat dissipation grooves 4. Based on this, the heat dissipation grooves 4 are beneficial to heat dissipation of the internal electrical elements.

[0019] Both ends of the bottom side of the lower shell 1 are symmetrically provided with track clamping grooves 3. Based on this, the track clamping grooves 3 facilitate the installation of the device on the matching guide rail in the electrical cabinet.

[0020] A connecting mechanism, the connecting mechanism comprises positioning blocks 8 fixedly connected to the bottom side of the upper shell 2, the inner side of the lower shell 1 is provided with bosses 22 at four ends, the top end of the four bosses 22 is provided with a positioning groove 6, and the positioning block 8 is inserted and matched in the positioning groove 6. The inner side of the four positioning blocks 8 is provided with a cavity groove 9, one end of the cavity groove 9 is fixedly provided with a first spring 10, one end of the first spring 10 is connected with a stop block 11, the stop block 11 is slidingly matched in the cavity groove 9, and the stop block 11 is connected with a limiting column 12 at one end relative to the first spring 10, the limiting column 12 extends to the outside of the positioning block 8 at one end relative to the stop block 11, and the top end of the lower shell 1 is provided with a limiting hole 7 communicated with the positioning groove 6 at four sides, and the end of the limiting column 12 is inserted and matched in the limiting hole 7.

[0021] In use, the upper shell 2 can be aligned with the lower shell 1, four groups of positioning blocks 8 are inserted into four positioning grooves 6, and the limiting column 12 on the positioning block 8 is extruded by pressing the two symmetric groups of positioning blocks 8 with both hands, so that the limiting column 12 drives the stop block 11 to slide in the cavity groove 9 and extrude the first spring 10, that is, the limiting column 12 is retracted into the positioning block 8, then the positioning block 8 is inserted and matched with the positioning groove 6, and under the elastic rebound of the first spring 10, the limiting column 12 is reset and protrudes from the positioning block 8 and is inserted into the limiting hole 7 on one side, so that the positioning block 8 is fastened in the positioning groove 6, and vice versa, by pressing the limiting column 12 to make it exit the limiting hole 7, the fixing can be released to pull out the positioning block 8 from the positioning groove 6, and the disassembly and assembly between the lower shell 1 and the upper shell 2 can be quickly and conveniently realized, so that the internal electrical elements can be maintained, the operation is simple and convenient, the working efficiency is high, and the use effect of the device is greatly improved.

[0022] The top ends of the lower shell 1 are symmetrically connected with L-shaped clamping arms 13 through shafts, the two sides of the upper shell 2 are provided with side grooves 5, the top ends of the L-shaped clamping arms 13 can be clamped in the side grooves 5, the inner top ends of the L-shaped clamping arms 13 are fixed with second springs 14, and one end of the second spring 14 is connected with a pressing plate 15 relative to the L-shaped clamping arm 13.

[0023] A pull rod 16 is connected between the top end of the L-shaped clamping arm 13 and the second spring 14, one end of the pull rod 16 is fixedly connected with the pressing plate 15, and the other end of the pull rod 16 is fixedly connected with a pull handle 17.

[0024] The pressing plate 15 is provided with a plug 18 on one side relative to the second spring 14, and the inner bottom end of the side groove 5 is provided with a plug groove 19 facing the plug 18.

[0025] After the upper shell 2 is connected with the lower shell 1, the L-shaped clamping arms 13 on both sides of the lower shell 1 can be rotated to move the top ends of the L-shaped clamping arms 13 to the upper shell 2, and the pull handle 17 at the top end of the L-shaped clamping arm 13 can be pulled to drive the pressing plate 15 to move and extrude the second spring 14 through the pull rod 16, when the top end of the L-shaped clamping arm 13 is inserted into the side groove 5, the pull handle 17 can be released, and then under the rebound of the second spring 14, the pressing plate 15 can be reset and pressed against the inner wall of the side groove 5, and the plug 18 at the bottom of the pressing plate 15 can be embedded in the plug groove 19, so that the L-shaped clamping arm 13 can be locked between the upper shell 2 and the lower shell 1, and the stability of the connection between the upper shell 2 and the lower shell 1 can be further improved.

[0026] In a specific embodiment of the present application, the inner bottom end of the lower shell 1 is embedded with a fixed plate 20, the four ends of the fixed plate 20 are provided with notches matched with bosses 22, the inner bottom side of the lower shell 1 is provided with a plurality of sliding cavities 24, and the bottom side of the fixed plate 20 is fixedly connected with a plurality of third springs 23 near the side of the sliding cavity 24 between the fixed plate 20 and the lower shell 1, the inner two ends of the sliding cavity 24 are symmetrically fixed with fourth springs 26, one end of each of the two fourth springs 26 is connected with a sliding block 25, and the two sliding blocks 25 are slidingly fitted in the sliding cavity 24, and the two sliding blocks 25 are symmetrically connected with support arms 27 through rotating shafts between the two sliding blocks 25 and the fixed plate 20.

[0027] The inner side of the sliding cavity 24 is fixedly connected with a support rod 28, and the fourth spring 26 and the sliding block 25 are slidingly sleeved outside the support rod 28.

[0028] The top side of the fixed plate 20 is provided with a plurality of mounting frames 21, and the top side of the mounting frame 21 is provided with a mounting hole.

[0029] By setting the fixed plate 20, the electrical element can be fixedly installed on the fixed plate 20, and the fixed plate 20 and the bottom side of the lower shell 1 are provided with a buffer assembly composed of a plurality of third springs 23, sliding cavities 24, sliding blocks 25, support arms 27 and fourth springs 26, etc. When the electrical element is subjected to a shock impact, the fixed plate 20 can act on the plurality of third springs 23, and at the same time, the sliding block 25 can be driven to slide in the sliding cavity 24 and press the fourth spring 26 through the support arm 27. Under the buffering effect of this structure, the shock impact can be greatly reduced, thereby effectively buffering and protecting the electrical element, and greatly improving the safety.

[0030] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above figures and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A housing for an adjustable fan speed controller, characterized in that, include: The lower housing (1) and the upper housing (2) are provided above the lower housing (1); The connecting mechanism includes positioning blocks (8) fixedly connected to the four ends of the bottom side of the upper housing (2). The four ends of the inner side of the lower housing (1) are provided with bosses (22). The top of each of the four bosses (22) is provided with a positioning groove (6). The positioning blocks (8) can be inserted into the positioning groove (6). The four positioning blocks (8) are provided with cavities (9) inside. A first spring (10) is fixed at one end of the cavity (9). A stop block (11) is connected to one end of the first spring (10). The stop block (11) is slidably fitted in the cavity (9). A limit post (12) is connected to one end of the stop block (11) relative to the first spring (10). One end of the limit post (12) relative to the stop block (11) extends to the outside of the positioning block (8). The top of the lower housing (1) is provided with limit holes (7) on all four sides that communicate with the positioning groove (6). The end of the limit post (12) can be inserted into the limit hole (7).

2. The housing of an adjustable fan speed controller according to claim 1, characterized in that: The top two sides of the lower housing (1) are symmetrically connected to L-shaped locking arms (13) via rotating shafts. The upper housing (2) has side grooves (5) on both sides. The top of the L-shaped locking arm (13) can be locked in the side groove (5). The inner top of the L-shaped locking arm (13) is fixed with a second spring (14). The second spring (14) is connected to a pressure plate (15) at one end relative to the L-shaped locking arm (13).

3. The housing of an adjustable fan speed controller according to claim 2, characterized in that: A pull rod (16) is connected through the top of the L-shaped clamp arm (13) and the second spring (14). One end of the pull rod (16) is fixedly connected to the pressure plate (15), and the other end of the pull rod (16) is fixed with a handle (17).

4. The housing of an adjustable fan speed controller according to claim 2, characterized in that: The pressure plate (15) has a plug (18) on one side relative to the second spring (14), and the inner bottom end of the side groove (5) has a slot (19) facing the plug (18).

5. The housing of an adjustable fan speed controller according to claim 1, characterized in that: A fixing plate (20) is embedded in the bottom of the lower housing (1). The four ends of the fixing plate (20) are provided with notches that are adapted to the boss (22). Multiple sliding cavities (24) are opened on the bottom side of the lower housing (1). Multiple third springs (23) are fixedly connected between the bottom two ends of the fixing plate (20) and the side of the lower housing (1) near the sliding cavity (24). Fourth springs (26) are symmetrically fixed at both ends of the sliding cavity (24). A slider (25) is connected to one end of each of the two fourth springs (26). Both sliders (25) slide in the sliding cavity (24). Support arms (27) are symmetrically connected between the two sliders (25) and the fixing plate (20) through a rotating shaft.

6. The housing of an adjustable fan speed controller according to claim 5, characterized in that: The sliding cavity (24) is fixedly connected to a support rod (28), and the fourth spring (26) and the slider (25) are both slidably sleeved on the outside of the support rod (28).

7. The housing of an adjustable fan speed controller according to claim 1, characterized in that: The top side of the fixing plate (20) is provided with a plurality of mounting brackets (21), and the top side of the mounting brackets (21) is provided with mounting holes.

8. The housing of an adjustable fan speed controller according to claim 1, characterized in that: Heat dissipation grooves (4) are provided on both sides of the upper housing (2).

9. The housing of an adjustable fan speed controller according to claim 1, characterized in that: The bottom of the lower housing (1) is symmetrically provided with track slots (3) at both ends.

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