CN214676084U

CN214676084U - Anti-disassembly type low-voltage servo driver

Info

Publication number: CN214676084U
Application number: CN202120810096.3U
Authority: CN
Inventors: 刘全兴; 岳春城
Original assignee: Chengdu Hagong Driving Technology Co Ltd
Current assignee: Chengdu Hagong Driving Technology Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-09
Anticipated expiration: 2031-04-20

Abstract

The utility model relates to a servo driver technical field, concretely relates to prevent tearing open type low pressure servo driver, the on-line screen storage device comprises a base, the upside of base is equipped with a plurality of shrinkage pools, equal tin welding in the shrinkage pool is connected with the reference column, the top of base overlaps and is equipped with a plurality of circuit boards, all be equipped with the locating hole corresponding with the reference column on the circuit board, the equal joint of locating hole is on the reference column, all the cover is equipped with the annular knurl nut on the reference column between two adjacent circuit boards, and the upper and lower both sides of annular knurl nut respectively with the circuit board welding of upper and lower both sides, the upper end of reference column extends to the top of the circuit board of the top, and the locating hole welding of the upper end of reference column and the circuit board of the top links to each other.

Description

Anti-disassembly type low-voltage servo driver

Technical Field

The utility model relates to a servo driver technical field, concretely relates to prevent tearing open type low pressure servo driver.

Background

The modern motor servo system is applied to the aerospace and military fields at first, then gradually enters the industrial and civil fields, according to research and study, in the special industrial control field of low-voltage environment such as vehicle-mounted and the like, because the application environment is severe, the system integration level is high, the product is often required to have better environmental adaptability and smaller space occupation ratio, and similar motor driving products are generally fewer at home, so the design of the motor driver is favorable for breaking relevant technical blockages at abroad, the localization ratio of the automatic equipment system in China is improved, the motor driver is successfully designed and produced by our company at present, but in the using process of customers, because of long-time vibration or impact and other severe environments, the fixing screws of the internal structure of the equipment are easy to loosen and even fall off, at the moment, the maintenance is not easy to be carried out, the loss is easy to cause, in addition, the detachable structure is easy to be analyzed or damaged by other people through the careful or careless disassembly, therefore, a detachment-proof low-voltage servo driver is required to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent tearing open type low pressure servo driver solves current low pressure servo driver in adverse circumstances such as long-time vibrations or impact, and its inner structure is not hard up easily and drops even to influence the problem of servo driver work.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a prevent tearing open type low pressure servo driver, includes the base, the upside of base is equipped with a plurality of shrinkage pools, equal tin welding in the shrinkage pool is connected with the reference column, the top of base overlaps and is equipped with a plurality of circuit boards, all be equipped with the locating hole corresponding with the reference column on the circuit board, the equal joint of locating hole is on the reference column, all overlaps on the reference column between two adjacent circuit boards to be equipped with the annular knurl nut, and the upper and lower both sides of annular knurl nut respectively with the circuit board welding of upper and lower both sides, the upper end of reference column extends to the top of the circuit board of the top, and the upper end of reference column links to each other with the locating hole welding of the circuit board of the top.

A further technical scheme is, the circuit board that is located the downside is the power board, the power board includes from last FR4 board, ceramic plate and the metal sheet that links to each other in proper order down, the downside of FR4 board links to each other through the upside welding of first copper skin and ceramic plate, the downside of ceramic plate links to each other through the upside welding of second copper skin and metal sheet, the downside of metal sheet links to each other with the upside welding of base.

A further technical scheme is that the LED lamp further comprises a shell, wherein the shell is buckled on the upper side of the base, four corners of the circuit board are provided with inwards concave chamfers, the shell is matched with the circuit board, and the distance between the inner wall of the shell and the side plate surface of the circuit board is 1 mm.

The technical scheme that the base is of a quadrilateral structure, the four edges of the upper side of the base are provided with clamping grooves, the bottom of the shell is provided with clamping blocks, and when the shell is connected with the base, the clamping blocks are clamped in the clamping grooves.

A further technical scheme is that the tank bottom of the clamping groove is provided with a downward-recessed wire collecting groove, a rotating shaft is connected to the interior of the wire collecting groove through a torsional spring, a limiting pull wire is arranged on the rotating shaft, the lower end of the clamping block is provided with a connecting ring, one end of the limiting pull wire is fixedly connected with the rotating shaft, the other end of the limiting pull wire is fixedly connected with the connecting ring in a winding mode in the rotating shaft, and when the shell is connected with the base, the connecting ring is arranged in the wire collecting groove.

The further technical scheme is that the total length of the limiting pull line is smaller than the height of the shell.

According to a further technical scheme, a first threaded hole is formed in the groove wall of the clamping groove, a through second threaded hole is transversely formed in the clamping block, when the clamping block is clamped in the clamping groove, the first threaded hole is aligned with the second threaded hole, and screws are sequentially screwed into the second threaded hole and the first threaded hole.

The base is provided with a plurality of connecting holes for fixing the base on other components.

Compared with the prior art, the beneficial effects of the utility model are that: the positioning column is vertically fixed by tin soldering after the positioning column is clamped in the concave hole, so that the position of the positioning column is ensured to be stable, then a plurality of circuit boards are sequentially clamped on the positioning column, a knurled nut is arranged between two adjacent circuit boards, the knurled nut is in a hollow cylinder shape, the knurled nut can play a role in height fixation on one hand, the distance between the two adjacent circuit boards is adjusted by controlling the length of the knurled nut, on the other hand, the upper end and the lower end of the knurled nut are respectively welded on the circuit boards at the upper side and the lower side, so that the knurled nut can play a good role in connection and fixation, so that the circuit board can be firmly fixed on the upper side of the base, the positioning hole of the circuit board at the uppermost side is connected with the upper end of the positioning column in a welding manner, thereby the position of the circuit board at the uppermost side is ensured to be fixed, and the circuit board in the servo driver is fixed by the mode, compare with the mode of original screw is fixed, this mode can make the connection between the circuit board very stable and avoid the circuit board to take place phenomenons such as drop in long-time use, and this mode is fixed knot structure, in case by external force dismantlement, will unable reduction, avoids someone to tear open by mistake and comes to carry out analysis and reduction to this servo driver's inside.

Drawings

Fig. 1 is a schematic structural view of the anti-detachment low-voltage servo driver after the casing is detached.

Fig. 2 is a schematic structural view of the middle base of the present invention.

Fig. 3 is a schematic structural diagram of the anti-detachment low-voltage servo driver after the housing is assembled.

Fig. 4 is a partial cross-sectional view between the base and the housing of the present invention.

Fig. 5 is a cross-sectional view of the circuit board at the lowermost side in the present invention.

Icon: 1-base, 2-concave hole, 3-positioning column, 4-circuit board, 5-positioning hole, 6-knurled nut, 7-FR4 board, 8-ceramic board, 9-metal board, 10-first copper leather board, 11-second copper leather board, 12-shell, 13-chamfer, 14-clamping groove, 15-clamping block, 16-line-collecting groove, 17-rotating shaft, 18-limiting pull line, 19-connecting ring, 20-first threaded hole, 21-second threaded hole and 22-connecting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

fig. 1-5 show the utility model discloses a preferred implementation of the anti-disassembly type low pressure servo driver, the anti-disassembly type low pressure servo driver in this embodiment specifically includes base 1, the upside of base 1 is equipped with a plurality of shrinkage pools 2, it is connected with reference column 3 all to weld in shrinkage pool 2, the top of base 1 overlaps and is equipped with a plurality of circuit boards 4, all be equipped with locating hole 5 corresponding with reference column 3 on circuit board 4, the equal joint of locating hole 5 is on reference column 3, all overlap on the reference column 3 between two adjacent circuit boards 4 and be equipped with knurled nut 6, and the upper and lower both sides of knurled nut 6 weld with the circuit board 4 of upper and lower both sides respectively, the upper end of reference column 3 extends to the top of the circuit board 4 of the top, and the upper end of reference column 3 links to each other with the locating hole 5 welding of the circuit board 4 of the top.

The positioning column 3 is vertically fixed by tin soldering after the positioning column 3 is clamped in the concave hole 2, so that the position of the positioning column 3 is ensured to be stable, then the circuit boards 4 are sequentially clamped on the positioning column 3, the knurled nut 6 is arranged between every two adjacent circuit boards 4, the knurled nut 6 is in a hollow cylinder shape, on one hand, the knurled nut 6 can play a role in height fixation, the distance between every two adjacent circuit boards 4 is adjusted by controlling the length of the knurled nut 6, on the other hand, the upper end and the lower end of the knurled nut 6 are respectively welded on the circuit boards 4 at the upper side and the lower side, so that the knurled nut 6 can play a good role in connection and fixation, thereby ensuring that the circuit boards 4 can be firmly fixed on the upper side of the base 1, and the positioning hole 5 of the circuit board 4 at the uppermost side is welded with the upper end of the positioning column 3, thereby guarantee the fixed of the circuit board 4 position of the top, carry out servo driver inner circuit board 4's fixed through above-mentioned mode, compare with the mode of original screw is fixed, this mode can make the connection between the circuit board 4 very stable and avoid circuit board 4 to take place phenomenons such as drop in long-time use, and this mode is fixed knot structure, in case by external force compulsory dismantlement, will unable reduction, avoid someone to tear open by mistake and carry out analysis and reduction to this servo driver's inside.

The circuit board 4 located at the lowest side is a power board, the power board comprises an FR4 board 7, a ceramic board 8 and a metal board 9 which are sequentially connected from top to bottom, the lower side of the FR4 board 7 is connected with the upper side of the ceramic board 8 through a first copper skin 10 in a welding mode, the lower side of the ceramic board 8 is connected with the upper side of the metal board 9 through a second copper skin 11 in a welding mode, and the lower side of the metal board 9 is connected with the upper side of the base 1 in a welding mode. Metal sheet 9 specifically plays and connects base 1 and the heat transfer of being convenient for carries out radiating effect, and can promote the holistic vertical heat conduction of power board and horizontal soaking through setting up of FR4 board 7 and ceramic plate 8, play insulating effect simultaneously, connect through above-mentioned mode and can make power board have good heat conduction, the radiating effect, thereby can dispel the heat that power board produced fast in the use, promote the life cycle of power board, the life of extension power board. The first copper skin plate 10 and the second copper skin plate 11 can both play a good heat conduction effect. The metal plate 9 is an aluminum plate, can achieve good heat conduction and heat transfer effects, and has wide sources and low price.

Still include casing 12, casing 12 lock is at the upside of base 1, and the four corners of circuit board 4 all is equipped with inside sunken chamfer 13, casing 12 and circuit board 4 looks adaptation, and the interval between the inner wall of casing 12 and the curb plate face of circuit board 4 is 1mm, and casing 12 can protect circuit board 4 well, and chamfer 13 of circuit board 4 can avoid making the operation personnel scratch at the too sharp of its four corners of in-process of assembly.

Base 1 is quadrangle structure, four edges of 1 upside of base all are equipped with draw-in groove 14, the bottom of casing 12 all is equipped with fixture block 15, when casing 12 links to each other with base 1, fixture block 15 joint is in draw-in groove 14, casing 12 realizes fixedly through the curb plate wall joint with circuit board 4 on the one hand, on the other hand passes through fixture block 15 card of casing 12 downside and establishes being connected between casing 12 and the base 1 in draw-in groove 14 on base 1 to it is more stable to make casing 12 fixed.

The bottom of the clamping groove 14 is provided with a downward-sunken wire collecting groove 16, a rotating shaft 17 is connected in the wire collecting groove 16 through a torsion spring, a limiting pull wire 18 is arranged on the rotating shaft 17, a connecting ring 19 is arranged at the lower end of the clamping block 15, one end of the limiting pull wire 18 is fixedly connected with the rotating shaft 17, the other end of the limiting pull wire 18 is fixedly connected with the connecting ring 19 in a winding manner on the rotating shaft 17, and when the shell 12 is connected with the base 1, the connecting ring 19 is arranged in the wire collecting groove 16. The total length of spacing acting as go-between 18 is less than the height of casing 12, link to each other and the length of spacing acting as go-between 18 is less than the height of casing 12 through spacing acting as go-between 18 and the casing 12 downside go-between 19, and then avoid casing 12 and base 1 to separate completely, and torsional spring and pivot 17 cooperate and to make spacing acting as go-between 18 can accomodate, thereby be convenient for open casing 12 back again with casing 12 lock go back, when first installation casing 12, earlier make casing 12 be located the top of base 1 on circuit board 4 with casing 12 joint, then tie up spacing acting as go-between 18's free end on go-between 19, thereby accomplish the installation of casing 12.

The groove wall of the clamping groove 14 is provided with a first threaded hole 20, the clamping block 15 is transversely provided with a through second threaded hole 21, when the clamping block 15 is clamped in the clamping groove 14, the first threaded hole 20 is aligned with the second threaded hole 21, screws are sequentially screwed into the second threaded hole 21 and the first threaded hole 20, and the clamping block 15 and the clamping groove 14 can be more firmly fixed in a screw connection mode, so that the shell 12 and the base 1 are more firmly connected.

The base 1 is provided with a plurality of connecting holes 22 for fixing the base 1 on other components, so that the base 1 can be fixed.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a prevent tearing open type low pressure servo driver which characterized in that: including base (1), the upside of base (1) is equipped with a plurality of shrinkage pools (2), equal tin welding is connected with reference column (3) in shrinkage pool (2), the top of base (1) overlaps and is equipped with a plurality of circuit board (4), all be equipped with on circuit board (4) with reference column (3) corresponding locating hole (5), the equal joint of locating hole (5) is on reference column (3), all overlaps on reference column (3) between two adjacent circuit board (4) and is equipped with knurled nut (6), and the upper and lower both sides of knurled nut (6) weld with circuit board (4) of upper and lower both sides respectively, the upper end of reference column (3) extends to the top of circuit board (4) of the top, and the upper end of reference column (3) links to each other with locating hole (5) welding of circuit board (4) of the top.

2. The tamper-evident low pressure servo driver of claim 1, wherein: be located circuit board (4) of downside most for the power board, the power board includes from last to consecutive FR4 board (7), ceramic plate (8) and metal sheet (9) down, the downside of FR4 board (7) links to each other through the upside welding of first copper skin (10) with ceramic plate (8), the downside of ceramic plate (8) links to each other through the upside welding of second copper skin (11) with metal sheet (9), the downside of metal sheet (9) links to each other with the upside welding of base (1).

3. The tamper-evident low pressure servo driver of claim 1, wherein: still include casing (12), casing (12) lock is at the upside of base (1), the four corners of circuit board (4) all is equipped with inside sunken chamfer (13), casing (12) and circuit board (4) looks adaptation, just interval between the inner wall of casing (12) and the curb plate face of circuit board (4) is 1 mm.

4. The tamper-evident low pressure servo driver of claim 3, wherein: base (1) is quadrangle structure, four edges of base (1) upside all are equipped with draw-in groove (14), the bottom of casing (12) all is equipped with fixture block (15), when casing (12) links to each other with base (1), fixture block (15) joint is in draw-in groove (14).

5. The tamper-evident low pressure servo driver of claim 4, wherein: the tank bottom of draw-in groove (14) is equipped with undercut receipts wire casing (16), it has pivot (17) to receive through torsional spring connection in wire casing (16), be equipped with spacing stay wire (18) on pivot (17), the lower extreme of fixture block (15) is equipped with go-between (19), the one end and the pivot (17) of spacing stay wire (18) are fixed continuous, and the other end twines in pivot (17) and is connected with and links to each other with go-between (19) are fixed, and when casing (12) links to each other with base (1), go-between (19) set up in receiving wire casing (16).

6. The tamper-evident low pressure servo driver of claim 5, wherein: the total length of the limiting pull wire (18) is less than the height of the shell (12).

7. The tamper-evident low pressure servo driver of claim 4, wherein: the clamping groove is characterized in that a first threaded hole (20) is formed in the groove wall of the clamping groove (14), a through second threaded hole (21) is transversely formed in the clamping block (15), when the clamping block (15) is clamped in the clamping groove (14), the first threaded hole (20) is aligned with the second threaded hole (21), and screws are sequentially screwed into the second threaded hole (21) and the first threaded hole (20).

8. Tamper-evident low-pressure servo driver as claimed in any of the claims 1 to 7, characterized in that: the base (1) is provided with a plurality of connecting holes (22) for fixing the base (1) on other components.