CN210579746U - Circuit board convenient to installation - Google Patents
Circuit board convenient to installation Download PDFInfo
- Publication number
- CN210579746U CN210579746U CN201921611720.6U CN201921611720U CN210579746U CN 210579746 U CN210579746 U CN 210579746U CN 201921611720 U CN201921611720 U CN 201921611720U CN 210579746 U CN210579746 U CN 210579746U
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- China
- Prior art keywords
- circuit board
- wall
- screw
- bearing
- interference fit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a circuit board convenient to installation, including casing and circuit board, there is the motor inner chamber left side bottom of casing through screw locking, the output of motor is provided with first screw rod, the outer wall right side interference fit of first screw rod has the inner ring of bearing, the outer loop of bearing and the inner wall fixed connection of casing, the outer wall central point of first screw rod puts interference fit and has the worm, the equal symmetrical threaded connection in outer wall left and right sides of first screw rod has the rectangular block, the top of rectangular block is provided with the rectangle post, the top of rectangle post extends the inner chamber of casing and the outer loop of the equal fixedly connected with bearing in both ends about the inner chamber, the inner ring interference fit of bearing has the second screw rod. This circuit board convenient to installation, the device can be effectual convenient press from both sides tight fixedly to the circuit board, has improved the fixed effect of circuit board, has improved the work efficiency of circuit board installation, more accords with actual user demand.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a circuit board convenient to installation.
Background
The circuit board is roughly divided into a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultrathin circuit board, a printed circuit board and the like, wherein the circuit board can be called as a printed circuit board or a printed circuit board, can miniaturize and visualize the circuit, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout;
with the continuous development and progress of social civilization, electrical appliances are widely used, circuit boards are widely applied to various electrical appliances, and the combined circuit board used in China at present has a complex structure, is not stable enough in clamping during installation, and is not tight enough in connection to cause looseness among the circuit boards, so that the circuit boards cannot be normally used, the quality of the circuit boards is seriously influenced, and the combined circuit board does not meet actual use requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board convenient to installation to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a circuit board convenient to install comprises a shell and a circuit board, wherein a motor is locked at the bottom of the left side of an inner cavity of the shell through a screw, a first screw rod is arranged at the output end of the motor, an inner ring of a bearing is in interference fit with the right side of the outer wall of the first screw rod, an outer ring of the bearing is fixedly connected with the inner wall of the shell, a worm is in interference fit with the central position of the outer wall of the first screw rod, rectangular blocks are symmetrically and in threaded connection with the left side and the right side of the outer wall of the first screw rod, a rectangular column is arranged at the top end of each rectangular block, the top end of each rectangular column extends out of the inner cavity of the shell, the upper end and the lower end of each inner cavity are fixedly connected with the outer ring of the bearing, a second screw rod is in interference fit with the inner ring of the bearing, a connecting block, the outer wall inboard of rectangle post is provided with the backup pad, the outer wall bottom interference fit of second screw rod has the gear, the inner chamber central point of casing puts along controlling the direction grafting have the pinion rack that links to each other with gear engagement, and the pinion rack runs through the inner chamber of rectangle post, both ends central point puts the outer loop of fixedly connected with bearing about the inner chamber of casing, the inner ring interference fit of bearing has the lead screw, the outer wall bottom interference fit of lead screw has the worm wheel that links to each other with worm engagement, the outer wall top threaded connection of lead screw has the rectangular plate, the top left and right sides of rectangular plate all is provided with the round bar, the top of round bar extends the inner chamber of casing, and is provided with the base, the circuit board has been placed on the top of base.
Preferably, the threads on the left side and the right side of the outer wall of the first screw rod are threads in opposite directions.
Preferably, the number of the connecting plates is two, and the two connecting plates are symmetrically arranged relative to the base.
Preferably, the toothed plate is located at the front side of the lead screw.
Preferably, the base is located at the top end of the inner side of the support plate.
Compared with the prior art, the beneficial effects of the utility model are that: the circuit board convenient to install drives the first screw rod to drive the worm to rotate after the motor is normally started, the threads on the left side and the right side of the outer wall of the first screw rod are threads in opposite directions, the rectangular block drives the rectangular column to move inwards or outwards simultaneously through the threaded connection relationship between the first screw and the rectangular block, the connecting block drives the connecting plate to move downwards through the threaded connection of the second screw and the connecting block, the connecting plate moves downwards to be in contact with the circuit board and clamps and fixes the circuit board through the connecting plate and the supporting plate, the device can effectively and conveniently clamp and fix the circuit board, improves the fixing effect of the circuit board, avoids the looseness between the circuit boards caused by unstable clamping and insufficient connection, therefore, the installation effect of the circuit board is influenced, the working efficiency of circuit board installation is improved, and the actual use requirement is met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the rectangular column of the present invention;
fig. 3 is a top view of the worm wheel of the present invention.
In the figure: 1. the motor comprises a shell, 2, a motor, 3, a first screw rod, 4, a worm, 5, a rectangular block, 6, a rectangular column, 7, a second screw rod, 8, a connecting block, 9, a connecting plate, 10, a supporting plate, 11, a gear, 12, a toothed plate, 13, a lead screw, 14, a worm wheel, 15, a rectangular plate, 16, a round rod, 17, a base, 18 and a circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the circuit board convenient to install comprises a shell 1 and a circuit board 18, a motor 2 is locked at the bottom of the left side of an inner cavity of the shell 1 through a screw, the output end of the motor 2 is provided with a first screw rod 3, the first screw rod 3 is enabled to drive a worm 4 to rotate after the motor 2 is normally started, threads on the left side and the right side of the outer wall of the first screw rod 3 are threads in opposite directions, the rectangular block 5 is enabled to drive a rectangular column 6 to move inwards or outwards through the relation of threaded connection of the first screw rod 3 and the rectangular block 5, an inner ring of a bearing is in interference fit with the right side of the outer wall of the first screw rod 3, an outer ring of the bearing is fixedly connected with the inner wall of the shell 1, the worm 4 is in interference fit with the center of the outer wall of the first screw rod 3, the rectangular block 5 is in symmetrical threaded connection with the left side and the right side of the outer wall of, And the upper and lower ends of the inner cavity are fixedly connected with the outer ring of the bearing, the inner ring of the bearing is in interference fit with a second screw 7, the top end of the outer wall of the second screw 7 is in threaded connection with a connecting block 8, the inner side of the connecting block 8 is provided with a connecting plate 9, the connecting block 8 is promoted to drive the connecting plate 9 to move downwards through the threaded connection relationship between the second screw 7 and the connecting block 8, the connecting plate 9 moves downwards to contact with a circuit board 18, the circuit board 18 is clamped and fixed through the connecting plate 9 and a supporting plate 10, the inner side of the connecting plate 9 extends out of the inner side surface of the rectangular column 6, the inner side of the outer wall of the rectangular column 6 is provided with the supporting plate 10, the bottom end of the outer wall of the second screw 7 is in interference fit with a gear 11, a toothed plate 12 meshed and connected with the gear 11 is inserted in, the worm wheel 14 is driven by the worm 4 to drive the lead screw 13 to rotate, the rectangular plate 15 is driven by the lead screw 13 to drive the base 17 and the circuit board 18 to move downwards through the round rod 16, the toothed plate 12 is positioned at the front side of the lead screw 13 to avoid the contact of the rectangular plate 15 with the toothed plate 12 when moving downwards, the toothed plate 12 penetrates through the inner cavity of the rectangular column 6, the central positions of the upper end and the lower end of the inner cavity of the shell 1 are fixedly connected with the outer ring of a bearing, the inner ring of the bearing is in interference fit with the lead screw 13, the bottom end of the outer wall of the lead screw 13 is in interference fit with the worm wheel 14 meshed and connected with the worm 4, the top end of the outer wall of the lead screw 13 is in threaded connection with the rectangular plate 15, the round rods 16 are arranged on the left side and the right side of the top end of the rectangular plate 15, the top end of the round rods 16, the rectangular plate 15 is driven by the lead screw 13 to move downwards through the round rod 16 to be in contact with the supporting plate 10, the circuit board 18 is placed at the top end of the supporting plate 10, the base 17 continues to move downwards to be separated from being in contact with the circuit board 18, the circuit board 18 is conveniently installed, and the circuit board 18 is placed at the top end of the base 17.
The following electric devices have the following types and functions:
the motor 2 is a speed reducing motor, the model is R107R77, and is connected with an external power supply, the external power supply is 380V alternating current, the external power supply motor 2 which is connected with the motor 2 works, and the external power supply motor 2 which is disconnected with the motor 2 stops working.
Preferably, the left and right threads of the outer wall of the first screw rod 3 are threads in opposite directions, the first screw rod 3 is driven to rotate the worm 4 by the normal start of the motor 2, the left and right threads of the outer wall of the first screw rod 3 are threads in opposite directions, and the rectangular block 5 is driven to drive the rectangular column 6 to move inwards or outwards simultaneously by the threaded connection relationship between the first screw rod 3 and the rectangular block 5.
Preferably, the number of the connecting plates 9 is two, and the two connecting plates 9 are symmetrically arranged relative to the base 17, so that the connecting plate 9 is driven by the connecting block 8 to move downwards through the threaded connection between the second screw 7 and the connecting block 8, the connecting plate 9 moves downwards to contact with the circuit board 18, and the circuit board 18 is clamped and fixed through the connecting plate 9 and the supporting plate 10.
As a preferred scheme, furthermore, the toothed plate 12 is located on the front side of the lead screw 13, the first screw 3 is driven to rotate the worm 4 after the motor 2 is normally started, the worm wheel 14 is driven to rotate the lead screw 13 through the worm 4, the rectangular plate 15 is driven to move downwards through the round rod 16 and the base 17 and the circuit board 18 through the lead screw 13, and the toothed plate 12 is located on the front side of the lead screw 13 to avoid the contact with the toothed plate 12 when the rectangular plate 15 moves downwards.
Preferably, the base 17 is located at the top end of the inner side of the supporting plate 10, the first screw 3 is driven to rotate the worm 4 by the normal start of the motor 2, the worm wheel 14 is driven to rotate the lead screw 13 by the worm 4, the rectangular plate 15 is driven to move the base 17 and the circuit board 18 downward by the round rod 16 to contact with the supporting plate 10 by the lead screw 13, the circuit board 18 is placed at the top end of the supporting plate 10, the base 17 continues to move downward to be separated from contact with the circuit board 18, and the circuit board 18 is convenient to mount.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet control requirements, specific connection and control sequence.
When the circuit board is used, a user switches on a power supply of the motor 2, the circuit board 18 is placed on the top end of the base 17, the motor 2 is normally started to enable the first screw rod 3 to drive the worm 4 to rotate, the worm wheel 14 is enabled to drive the lead screw 13 to rotate through the meshing relation between the worm 4 and the worm wheel 14, the rectangular plate 15 is enabled to drive the base 17 and the circuit board 18 to move downwards through the round rod 16 through the threaded relation between the lead screw 13 and the rectangular plate 15, the rectangular plate 5 is enabled to drive the rectangular column 6, the connecting plate 9, the supporting plate 10 and the gear 11 to move inwards through the threaded relation between the first screw rod 3 and the rectangular block 5, the gear 11 is enabled to drive the second screw rod 7 to rotate through the meshing relation between the second screw rod 7 and the connecting block 8, the connecting block 8 is enabled to drive the connecting plate 9 to move downwards, the rectangular column 6 drives the connecting plate 9 and the supporting plate 10, The connecting block 8 drives the connecting plate 9 to move downwards on the outer wall of the second screw 7 and the rectangular plate 15 drives the base 17 and the circuit board 18 to move downwards through the round rod 16 simultaneously, the supporting plate 10 moves inwards to the bottom end of the circuit board 18, the rectangular plate 15 drives the base 17 and the circuit board 18 to move downwards through the round rod 16 to be in contact with the supporting plate 10, and the circuit board 18 is rested on the top end of the support plate 10, the base 17 continues to move downward, the connection plate 9 moves downward to contact the circuit board 18, and clamps and fixes the circuit board 18 through the connecting plate 9 and the supporting plate 10, stops the motor 2 from working, thereby fixing the circuit board 18 between the connection plate 9 and the support plate 10, mounting the circuit board 18, the device simple structure controls convenient to use, can effectually conveniently press from both sides tight fixedly to the circuit board, has improved the fixed effect of circuit board, more accords with actual user demand.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "coupled," "plugged," "welded," "clamped," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A circuit board for easy mounting, comprising a housing (1) and a circuit board (18), characterized in that: the motor (2) is locked at the bottom of the left side of the inner cavity of the shell (1) through a screw, the first screw (3) is arranged at the output end of the motor (2), the inner ring of the bearing is arranged at the right side of the outer wall of the first screw (3) in an interference fit manner, the outer ring of the bearing is fixedly connected with the inner wall of the shell (1), the worm (4) is arranged at the central position of the outer wall of the first screw (3) in an interference fit manner, the rectangular blocks (5) are symmetrically and threadedly connected to the left side and the right side of the outer wall of the first screw (3), the rectangular column (6) is arranged at the top end of the rectangular column (6), the inner cavity of the shell (1) is extended from the top end to the bottom end of the inner cavity, the outer ring of the bearing is fixedly connected with the outer ring of the bearing, the second screw (7) is arranged at the interference fit, the inner side of the connecting block (8) is provided with a connecting plate (9), the inner side of the connecting plate (9) extends out of the inner side surface of the rectangular column (6), the inner side of the outer wall of the rectangular column (6) is provided with a supporting plate (10), the outer wall bottom end of the second screw (7) is in interference fit with a gear (11), the center position of the inner cavity of the shell (1) is inserted with a toothed plate (12) which is meshed and connected with the gear (11) along the left-right direction, the toothed plate (12) penetrates through the inner cavity of the rectangular column (6), the center positions of the upper end and the lower end of the inner cavity of the shell (1) are fixedly connected with the outer ring of a bearing, the inner ring of the bearing is in interference fit with a lead screw (13), the outer wall bottom end of the lead screw (13) is in interference fit with a worm wheel (14) which is meshed and connected with the worm (4), the top end of the outer wall of the lead, the top end of the round rod (16) extends out of the inner cavity of the shell (1) and is provided with a base (17), and a circuit board (18) is placed at the top end of the base (17).
2. A circuit board for facilitating mounting according to claim 1, wherein: the left and right threads of the outer wall of the first screw (3) are threads in opposite directions.
3. A circuit board for facilitating mounting according to claim 1, wherein: the number of the connecting plates (9) is two, and the two connecting plates (9) are symmetrically arranged relative to the base (17).
4. A circuit board for facilitating mounting according to claim 1, wherein: the toothed plate (12) is positioned on the front side of the lead screw (13).
5. A circuit board for facilitating mounting according to claim 1, wherein: the base (17) is positioned at the top end of the inner side of the support plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611720.6U CN210579746U (en) | 2019-09-26 | 2019-09-26 | Circuit board convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611720.6U CN210579746U (en) | 2019-09-26 | 2019-09-26 | Circuit board convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210579746U true CN210579746U (en) | 2020-05-19 |
Family
ID=70658809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921611720.6U Expired - Fee Related CN210579746U (en) | 2019-09-26 | 2019-09-26 | Circuit board convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210579746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828614A (en) * | 2020-12-31 | 2021-05-25 | 象山信基机械厂 | Square workpiece surface milling fixture |
-
2019
- 2019-09-26 CN CN201921611720.6U patent/CN210579746U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828614A (en) * | 2020-12-31 | 2021-05-25 | 象山信基机械厂 | Square workpiece surface milling fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 Termination date: 20200926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |