CN218071993U

CN218071993U - Spacing fixed knot of controller internal circuit board constructs

Info

Publication number: CN218071993U
Application number: CN202222367827.9U
Authority: CN
Inventors: 卜庆岭
Original assignee: Xuzhou Obit Locomotive Technology Co ltd
Current assignee: Xuzhou Obit Locomotive Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-16
Anticipated expiration: 2032-09-07

Abstract

The application provides a spacing fixed knot of controller internal circuit board constructs belongs to the spacing fixed field of circuit board to solve the inside spacing fixed knot of current controller and can not carry out convenient stable spacing fixed problem to the circuit board of different specifications size, including controller shell and protective cover plate, the inside rotation in controller shell bottom is connected with two-way threaded rod, threaded connection has the linkage plate on the two-way threaded rod, the spacing sliding connection of linkage plate is inside controller shell bottom, the first grip block of top fixedly connected with of linkage plate, the first rubber pad of fixedly connected with on the first grip block. This application can drive the circuit board through the second grip block that sets up and carry out the suspension formula centre gripping, and then can guarantee the stability of the follow-up heat dissipation work of circuit board, has avoided circuit board and controller shell large tracts of land contact to result in the poor problem of radiating effect, has increased spacing fixed knot structure's use variety and security.

Description

Spacing fixed knot of controller internal circuit board constructs

Technical Field

The utility model relates to a spacing fixed field of circuit board particularly, relates to a spacing fixed knot of controller internal circuit board constructs.

Background

The controller is a master device for controlling the starting, speed regulation, braking and reversing of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence, the circuit board is a core component of the controller and is equivalent to the brain of a control system, the shell of the controller plays a role in protecting the circuit board, and the circuit board is required to be installed and fixed inside the shell of the controller by using a limiting and fixing structure during installation;

and the inside spacing fixed knot of current controller constructs in the use, can not carry out convenient stable spacing fixed work to the circuit board of different specification sizes, the suitability is relatively poor, and conventional spacing fixed knot constructs in the use, although can carry out spacing fixed to the circuit board, the circuit board is after the installation is fixed, the circuit board is laminated with terminal surface in the controller usually, therefore the circuit board is in long-time use, the heat that produces is difficult to distribute, last high temperature very easily causes the damage of circuit board, practicality and security are relatively poor, conventional spacing fixed knot constructs can only carry out spacing fixed to the circuit board simultaneously, functional relatively poor, therefore we improve to this, a controller inner circuit board spacing fixed knot constructs is provided.

Disclosure of Invention

The utility model aims to provide a: the inside spacing fixed knot of controller to the present existence at present constructs can not carry out convenient stable spacing fixed work to the circuit board of different specifications size, and the heat that produces is difficult to distribute to only can carry out spacing fixed, the relatively poor problem of functionality to the circuit board.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

the inner circuit board of the controller is limited and fixed to improve the above problem.

The present application is specifically such that:

including controller shell and protective cover board, the inside rotation in controller shell bottom is connected with the two-way threaded rod, threaded connection has linkage plate on the two-way threaded rod, the spacing sliding connection of linkage plate is inside controller shell bottom, the first grip block of top fixedly connected with of linkage plate, the first rubber pad of fixedly connected with on the first grip block, fixedly connected with second grip block on the first grip block, fixedly connected with second rubber pad on the second grip block, equal fixedly connected with connecting piece on controller shell and the protective cover board.

As the preferred technical scheme of this application, the cable groove has been seted up to controller shell side, the first conical gear of fixedly connected with on the two-way threaded rod, the meshing is connected with second conical gear on the first conical gear, fixedly connected with one-way threaded rod on the second conical gear, one-way threaded rod rotates to be connected inside controller shell side, threaded connection has the connecting sleeve pole on the one-way threaded rod, connecting sleeve pole sliding connection is inside controller shell side.

As the preferred technical scheme of this application, the connection plate symmetric distribution is in the both sides of two-way threaded rod, the connection plate symmetry is fixed at the bottom middle part of first grip block, the bottom face of first grip block and the bottom face of second grip block all laminate mutually with the inside bottom face of controller shell.

In a preferred embodiment of the present invention, the length of the first holding block is equal to the length of the second holding block, and both the side end surface of the first holding block and the side end surface of the second holding block are inclined.

As the preferable technical scheme of the application, the cable groove is formed in the middle of the side end of the controller shell, and the diameter of the connecting sleeve is smaller than the thickness of the side end of the controller shell.

As the preferred technical scheme of this application, the top fixedly connected with telescopic link and the fixed spring of connecting the loop bar, the top of telescopic link and the equal fixed connection in fixed spring's top are on the bottom face of extrusion limiting plate, the fixed spring cover is established on the telescopic link, the top fixed connection of telescopic link is at the bottom middle part of extrusion limiting plate.

According to the technical scheme, the side end face of the extrusion limiting plate is attached to the inner side end face of the cable groove, and the width of the cable groove is equal to that of the extrusion limiting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

in the scheme of the application:

1. the two-way threaded rod can drive the first clamping blocks on two sides to move towards the middle at the same time, and the corresponding second clamping blocks can be matched to conveniently and stably clamp and fix circuit boards with different lengths and different thicknesses;

2. the circuit board can be driven to carry out suspended clamping through the arranged second clamping block, so that the stability of subsequent heat dissipation work of the circuit board can be ensured, the problem of poor heat dissipation effect caused by large-area contact between the circuit board and the controller shell is avoided, and the use diversity and safety of the limiting fixing structure are improved;

3. can guarantee through the first conical gear and the second conical gear that set up that two-way threaded rod rotates the in-process, can drive the extrusion limiting plate simultaneous upward movement at telescopic link top through one-way threaded rod and adapter sleeve pole, and then can carry out the extrusion spacing work of automatic stabilization to the connecting cable on the circuit board to can guarantee circuit board operating condition's stability and safety, increased fixed knot structure's use variety and stability.

Drawings

Fig. 1 is an overall perspective structure schematic diagram of a limiting and fixing structure of an internal circuit board of a controller provided by the present application;

fig. 2 is a schematic perspective view of a protective cover plate of a limiting and fixing structure of an internal circuit board of a controller according to the present application;

fig. 3 is a schematic perspective view of a first clamping block of the limiting and fixing structure of the internal circuit board of the controller provided by the present application;

fig. 4 is a schematic overall front view structure diagram of a limiting and fixing structure of an internal circuit board of the controller provided by the present application;

fig. 5 is a schematic structural diagram of a position a in fig. 4 of the internal circuit board limiting and fixing structure of the controller provided by the present application.

The following are marked in the figure: 1. a controller housing; 2. a bidirectional threaded rod; 3. a connector tile; 4. a first clamping block; 5. a first rubber pad; 6. a second clamping block; 7. a second rubber pad; 8. a cable trough; 9. a first bevel gear; 10. a second bevel gear; 11. a one-way threaded rod; 12. connecting the loop bar; 13. a telescopic rod; 14. fixing the spring; 15. extruding the limiting plate; 16. a protective cover plate; 17. a connecting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art would conventionally understand, and such terms are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Example 1:

as shown in fig. 1-4, this embodiment provides a spacing fixed knot of controller internal circuit board constructs, including controller shell 1 and protective cover 16, the inside rotation in controller shell 1 bottom is connected with two-way threaded rod 2, threaded connection has linkage plate 3 on two-way threaded

rod

2, 3 spacing sliding connection of linkage plate inside controller shell 1 bottom, the top fixedly connected with first grip block 4 of linkage plate 3, fixedly connected with first rubber pad 5 on first grip block 4, fixedly connected with second grip block 6 on first grip block 4, fixedly connected with second rubber pad 7 on second grip block 6, equal fixedly connected with connecting piece 17 on controller shell 1 and protective cover 16.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, 2, 4 and 5, as a preferred embodiment, on the basis of the above manner, further, a cable groove 8 is formed at a side end of the controller housing 1, a first conical gear 9 is fixedly connected to the bidirectional threaded rod 2, a second conical gear 10 is engaged and connected to the first conical gear 9, a one-way threaded rod 11 is fixedly connected to the second conical gear 10, the one-way threaded rod 11 is rotatably connected to the inside of the side end of the controller housing 1, a connecting sleeve rod 12 is threadedly connected to the one-way threaded rod 11, the connecting sleeve rod 12 is slidably connected to the inside of the side end of the controller housing 1, the cable groove 8 is formed in a middle portion of the side end of the controller housing 1, a diameter of the connecting sleeve rod 12 is smaller than a thickness of the side end of the controller housing 1, a cable on a circuit board can be stably placed by using the cable groove 8, and further, stability and convenience of subsequent extrusion limit work of the cable can be ensured.

As shown in fig. 1, 3 and 4, as a preferred embodiment, on the basis of the above manner, the connection plates 3 are symmetrically distributed on two sides of the bidirectional threaded rod 2, the connection plates 3 are symmetrically fixed at the middle part of the bottom end of the first clamping block 4, the bottom end surfaces of the first clamping block 4 and the second clamping block 6 are both attached to the inner bottom end surface of the controller housing 1, and the first clamping block 4 and the second clamping block 6 on two sides can be used for conveniently and stably limiting and fixing circuit boards of different specifications.

As shown in fig. 1, 3 and 4, as a preferred embodiment, in addition to the above-mentioned embodiment, the length of the first clamping block 4 is equal to the length of the second clamping block 6, the side end surfaces of the first clamping block 4 and the second clamping block 6 are both inclined, and the side end inclined surfaces of the first clamping block 4 and the second clamping block 6 can be used to perform a convenient and stable suspended clamping and limiting operation on circuit boards with different thicknesses.

As shown in fig. 4 and fig. 5, as a preferred embodiment, on the basis of the above manner, further, the top end of the connecting sleeve 12 is fixedly connected with a telescopic rod 13 and a fixed spring 14, the top end of the telescopic rod 13 and the top end of the fixed spring 14 are both fixedly connected to the bottom end surface of the extrusion limiting plate 15, the fixed spring 14 is sleeved on the telescopic rod 13, the top end of the telescopic rod 13 is fixedly connected to the middle part of the bottom end of the extrusion limiting plate 15, and the connection cable in the cable groove 8 can be conveniently and stably extruded and limited by the aid of the cooperation of the telescopic rod 13 and the fixed spring 14 through the extrusion limiting plate 15.

As shown in fig. 1, 2, 4 and 5, in addition to the above-described embodiments, in a preferred embodiment, the side end surface of the squeeze limit plate 15 is attached to the inner side end surface of the cable groove 8, the width of the cable groove 8 is equal to the width of the squeeze limit plate 15, and the attachment of the squeeze limit plate 15 to the cable groove 8 can ensure the stability of the limit sliding operation of the squeeze limit plate 15 in the cable groove 8, and further the stability of the subsequent squeeze limit operation of the cable.

Specifically, this inside circuit board of controller is spacing fixed knot to be constructed when using: firstly, an operator can place a circuit board to be installed and used in a controller shell 1, then the operator can rotate a bidirectional threaded rod 2 in the bottom end of the controller shell 1, at the moment, under the rotating action of the bidirectional threaded rod 2, the connecting plates 3 on two sides can be driven to move towards the middle at the same time, and further, the first clamping blocks 4 on two sides and the corresponding second clamping blocks 6 can be driven to move towards the middle at the same time, at the moment, under the moving action of the second clamping blocks 6, the circuit board can be shoveled up through the inclined planes, meanwhile, under the combined action of the first clamping blocks 4 on two sides and the corresponding second clamping blocks 6, the circuit boards with different lengths can be conveniently and stably clamped and fixed by combining the first rubber pads 5 on the first clamping blocks 4 and the second rubber pads 7 on the second clamping blocks 6, and when the circuit board is needed to be disassembled, the operator can conveniently and stably extrude and limit the circuit boards with different thicknesses by using the inclined planes of the first clamping blocks 4 and the second clamping blocks 6, and can conveniently and stably disassemble the circuit board until the circuit board can be conveniently and safely disassembled by the corresponding bidirectional threaded rod 2, and the corresponding connecting blocks 3, and the circuit board can be disassembled;

when a worker places a circuit board in the controller shell 1, a cable connected to the circuit board can be placed in a cable groove 8 at the side end of the controller shell 1, in the installation process of the circuit board, the bidirectional threaded rod 2 can be driven to rotate stably while rotating, the first bevel gear 9 can drive the one-way threaded rod 11 to rotate stably in the connecting sleeve 12 through the second bevel gear 10 connected in a meshed mode, the connecting sleeve 12 connected in a threaded mode can drive the extrusion limiting plate 15 at the top end of the telescopic rod 13 to move stably upwards in the cable groove 8, after the circuit board is installed stably, the bidirectional threaded rod 2 stops rotating, the joint action of the telescopic rod 13 and the fixing spring 14 is combined, the extrusion limiting work of convenient and stable extrusion of the connecting cable in the cable groove 8 can be carried out through the extrusion limiting plate 15, the stability of the working state of the connecting cable can be guaranteed, the situation that the connecting cable is pulled and separated from a connecting position can be effectively avoided, and after the circuit board is installed stably, the worker can install the protective cover plate 16 and the protective device shell and the protective device conveniently and the connecting piece 17.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope of the following claims.

Claims

1. The utility model provides a spacing fixed knot of controller internal circuit board constructs, includes controller shell (1) and protective cover board (16), its characterized in that, the inside rotation in controller shell (1) bottom is connected with two-way threaded rod (2), threaded connection has linkage plate (3) on two-way threaded rod (2), the spacing sliding connection of linkage plate (3) is inside controller shell (1) bottom, the first grip block (4) of top fixedly connected with of linkage plate (3), first rubber pad of fixedly connected with (5) on first grip block (4), fixedly connected with second grip block (6) on first grip block (4), fixedly connected with second rubber pad (7) on second grip block (6), equal fixedly connected with connecting piece (17) on controller shell (1) and protective cover board (16).

2. The limiting and fixing structure of the internal circuit board of the controller according to claim 1, wherein a cable groove (8) is formed in a side end of the controller shell (1), a first bevel gear (9) is fixedly connected to the bidirectional threaded rod (2), a second bevel gear (10) is meshed and connected to the first bevel gear (9), a one-way threaded rod (11) is fixedly connected to the second bevel gear (10), the one-way threaded rod (11) is rotatably connected to the inside of a side end of the controller shell (1), a connecting sleeve rod (12) is connected to the one-way threaded rod (11) in a threaded manner, and the connecting sleeve rod (12) is slidably connected to the inside of a side end of the controller shell (1).

3. The internal circuit board limiting and fixing structure of the controller according to claim 1, wherein the connecting plates (3) are symmetrically distributed on two sides of the bidirectional threaded rod (2), the connecting plates (3) are symmetrically fixed at the middle part of the bottom end of the first clamping block (4), and the bottom end surfaces of the first clamping block (4) and the second clamping block (6) are attached to the inner bottom end surface of the controller shell (1).

4. The structure of claim 1, wherein the length of the first clamping block (4) is equal to the length of the second clamping block (6), and the side end surfaces of the first clamping block (4) and the second clamping block (6) are inclined.

5. The structure for limiting and fixing the circuit board inside the controller according to claim 2, wherein the cable groove (8) is formed in the middle of the side end of the controller casing (1), and the diameter of the connecting loop bar (12) is smaller than the thickness of the side end of the controller casing (1).

6. The limiting and fixing structure of the internal circuit board of the controller according to claim 2, wherein a telescopic rod (13) and a fixing spring (14) are fixedly connected to the top end of the connecting loop bar (12), the top end of the telescopic rod (13) and the top end of the fixing spring (14) are both fixedly connected to the bottom end face of the extrusion limiting plate (15), the fixing spring (14) is sleeved on the telescopic rod (13), and the top end of the telescopic rod (13) is fixedly connected to the middle portion of the bottom end of the extrusion limiting plate (15).

7. The limiting and fixing structure of the internal circuit board of the controller according to claim 6, wherein the lateral end surface of the pressing limiting plate (15) is attached to the internal lateral end surface of the cable groove (8), and the width of the cable groove (8) is equal to the width of the pressing limiting plate (15).