CN112218478A

CN112218478A - Installation fixing device suitable for installing circuit boards of different sizes

Info

Publication number: CN112218478A
Application number: CN202011315783.4A
Authority: CN
Inventors: 温玲玲; 孙浩然
Original assignee: Individual
Current assignee: Qingdao Canheng Optoelectronic Technology Co.,Ltd.
Priority date: 2020-11-22
Filing date: 2020-11-22
Publication date: 2021-01-12
Anticipated expiration: 2040-11-22
Also published as: CN112218478B

Abstract

The invention discloses an installation fixing device suitable for installing circuit boards with different sizes, which comprises a bottom plate, a middle plate and a sliding rod, wherein the sliding rod is sleeved with sliding sleeves, the two sliding sleeves are positioned on the two sides of the middle plate and are respectively and movably connected with a sliding rod and an adjusting rod, the two ends of the sliding rod and the adjusting rod are respectively provided with a movable groove, two vertical ends of the sliding sleeves are respectively welded with a pin shaft, the pin shafts are respectively and slidably embedded in the movable grooves, and the adjusting rod is provided with two fixing bolts. According to the invention, the height of the adjusting rod is adjusted by sliding the sliding sleeve on the sliding rod, the adjusting rod is fixedly installed under the action of the fixing bolts, the adjusting rod rotates around one of the fixing bolts, two ends of the adjusting rod are positioned at different horizontal heights, and after the fixing is completed by using the other fixing bolt, the angle of the adjusting rod is adjusted, so that the installation of circuit boards at different levels and at multiple angles can be completed, and the application range of the device is widened.

Description

Installation fixing device suitable for installing circuit boards of different sizes

Technical Field

The invention relates to the technical field of circuit boards, in particular to a mounting and fixing device suitable for mounting circuit boards of different sizes.

Background

The circuit board can be called as a printed circuit board or a printed circuit board, the English name is PCB and FPC circuit board, the FPC circuit board is also called as a flexible circuit board, the flexible circuit board is made of polyimide or polyester film as a base material, has high reliability and excellent flexibility, and has the characteristics of high wiring density, light weight, thin thickness and good bending property; the birth and development of FPC and PCB have promoted a new product of soft and hard combined board. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

Chinese patent application No. CN201810314236.0 discloses a mounting and fixing device for an electronic circuit board, which comprises a left fixing plate, a right fixing plate and a circuit board, a fixed base groove is arranged on the side edge of the top end of the left fixed plate, a fixed base is arranged in the fixed base groove, the center of the right end of the fixed base is fixedly connected with a sliding rod, the right end of the sliding rod penetrates through the left fixed plate and is fixedly connected with the right fixed plate, the side edge of the top end of the right fixed plate is provided with a horizontal first chute, the bottom end of the first sliding chute is provided with a rubber base, the right end of the sliding rod is fixedly connected with a piston head and is connected with the first sliding chute in a sliding way, a compression spring is sleeved on the left side of the piston head and positioned on the outer side of the sliding rod, a hook is fixedly connected on the other side of the top end of the left fixing plate, the other side of the top end of the right fixing plate is rotatably connected with a rotating shaft, and a wrench is fixedly connected to the right end of the rotating shaft. Has the advantages of simple installation and fixation and convenient disassembly.

However, the above-mentioned circuit board mounting and fixing device still has the following defects and shortcomings, namely, the above-mentioned circuit board mounting and fixing device is structurally fixed, which causes great inconvenience in mounting circuit boards with different sizes, and needs to re-drill holes on the mounting mechanism, which increases the difficulty of operation.

Therefore, it is necessary to design a fixing device convenient for operation and installation, so as to improve the practicability and convenience.

Disclosure of Invention

The invention aims to provide a mounting and fixing device suitable for mounting circuit boards with different sizes, so that the technical problem that the circuit board mounting operation is not convenient enough in the prior art is at least solved.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an installation fixing device that is suitable for installation unidimensional circuit board, includes the bottom plate, the bottom plate is provided with two, and all welds the intermediate lamella above the intermediate position of bottom plate, the horizontal both sides of intermediate lamella all are provided with the slide bar with bottom plate welded, the cover is equipped with the sliding sleeve on the slide bar, and two sliding sleeves are located intermediate lamella both sides swing joint respectively have a slide bar and adjust the pole, the movable groove has all been seted up with adjusting the pole both ends to the slide bar, the round pin axle has all been welded to two wherein vertical ends of sliding sleeve, and the round pin axle slides respectively and inlays in the movable groove portion, be provided with two gim pegs on adjusting the pole, one rotates with adjusting the pole in two gim pegs and is connected, another rather than swing.

Preferably, every group all is provided with a plurality ofly in two sets of constant head tanks, and is the linear array setting between a plurality of constant head tanks to two sets of constant head tanks set up about the vertical central line symmetry of intermediate lamella.

Preferably, the two fixing bolts are all provided with a roller in a threaded sleeve mode, the cross section of the roller is of an H-shaped structure, the position of the middle roller shaft is in fit arrangement with the adjusting rod, the adjusting rod is provided with a sliding groove, and the sliding groove is in sliding connection with one of the two fixing bolts through the roller.

Preferably, one side of the sliding rod, which is far away from the middle plate, is provided with a plurality of grooves which do not penetrate through the sliding rod, the grooves are distributed in a linear array manner, and the sliding rod is provided with a sleeve.

Preferably, a through groove is formed in the middle of the sleeve, the sleeve is connected with the sliding rod in a sliding mode through the through groove, a sleeve is welded on one side, away from the middle plate, of the sleeve, and two limiting grooves which are of an L-shaped structure are formed in the sleeve in a centrosymmetric mode.

Preferably, the inside fixedly connected with conical spring of sleeve, and conical spring bottom fixedly connected with lug to the lug runs through the sleeve and extends to logical groove, sliding connection between lug and the sleeve.

Preferably, sliding connection has the bolt in the sleeve, and the welding has two pins that correspond the setting with the spacing groove on the bolt, the welding of bolt end position department has the installation piece that is the U-shaped structure, and sets up the screw hole that runs through its setting on the installation piece.

The invention also provides a mounting and fixing method suitable for mounting circuit boards with different sizes, and the mounting and fixing device applying the circuit boards comprises the following steps:

step 1), additionally arranging sliding sleeves on the two sliding rods, and finishing addition of a sliding rod and an adjusting rod;

step 2), after the adjusting rod is adjusted to a proper position, the height of the adjusting rod is fixed by rotating the two fixing bolts on the adjusting rod, when the angle of the adjusting rod needs to be adjusted, the fixing bolts in the round holes are fixed, the adjusting rod is rotated by taking the fixing bolts as the circle center, the pin shaft slides in the movable groove of the adjusting rod in the rotating process of the adjusting rod and is matched with the rotation of the angle of the adjusting rod, after the angle is proper, the fixing bolts in the sliding groove are screwed, and when the fixing bolts are fixed with the positioning grooves, the height adjustment of the sliding sleeve is finished;

step 3), fixedly connecting the bottom plate to the fixed surface, wherein the conical spring pulls the convex block away from the groove, and the sleeve is not limited, so that the sleeve can slide on the sliding rod to change the position;

step 4), after the position is proper, aligning the bolt and the pin with the limiting groove, pressing the bolt inwards, rotating the bolt after the pin reaches the horizontal section of the limiting groove to keep the bolt stable, and pushing the conical spring by the bolt to enable the conical spring to push the bump to enter the groove (501), so that the sleeve position is fixed;

step 5), after the bolt is taken down, the sleeve can be moved again, so that the good mobility of the mounting block is ensured, and the circuit board can be conveniently fixed by screwing the connecting screw on the screw hole in the mounting block.

The invention has at least the following beneficial effects:

1. through the slip of sliding sleeve on the slide bar, realize the altitude mixture control to adjusting the pole, through the effect of gim peg, realize fixed to the installation of adjusting the pole, rotate through winding one of them gim peg, the both ends of adjusting the pole are located different level, recycle another gim peg and accomplish fixed back, realize the angle modulation to adjusting the pole to can accomplish the multi-angle, the installation of the circuit board of different levels, hoisting device's application scope.

2. Through conical spring with the lug pull away from the recess, the sleeve pipe can slide on the pole that slides, through aim at the spacing groove with bolt and pin, after the pin reachd the horizontal segment of spacing groove, rotate the bolt, it is stable to keep the bolt, through the effect of pushing away of bolt to conical spring for conical spring pushes away during the lug gets into the recess, thereby accomplish the fixed to the sleeve pipe position, after taking off the bolt, the sleeve pipe can remove again, with this the good active nature of installation piece has been guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 illustrates an isometric view provided according to an embodiment of the present invention;

FIG. 2 illustrates an exploded view provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a diagram of a structure of an adjustment lever provided in accordance with an embodiment of the present invention;

figure 4 shows a block diagram of a card socket provided according to an embodiment of the invention.

In the figure: 1. a base plate; 2. a middle plate; 3. a slide bar; 4. a sliding sleeve; 5. a slide bar; 501. a groove; 6. adjusting a rod; 7. a movable groove; 8. a pin shaft; 9. a fixing bolt; 10. a sliding groove; 11. positioning a groove; 12. mounting blocks; 13. a sleeve; 14. a through groove; 15. a sleeve; 16. a limiting groove; 18. a bolt; 19. a pin; 20. a screw hole; 21. a bump; 22. a conical spring; 23. and a roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

Referring to fig. 1-4, a mounting and fixing device suitable for mounting circuit boards with different sizes comprises a bottom plate 1, two bottom plates 1 are arranged, a middle plate 2 is welded above the middle position of the bottom plate 1, slide rods 3 welded with the bottom plate 1 are arranged on both horizontal sides of the middle plate 2, the slide rods 3 are in a rectangular structure when viewed from top, slide sleeves 4 are sleeved on the slide rods 3, the slide sleeves 4 are in clearance fit with the slide rods 3, two sides of the middle plate 2 are respectively and movably connected with a slide rod 5 and an adjusting rod 6, two ends of the slide rod 5 and the adjusting rod 6 are respectively provided with a movable groove 7, pin shafts 8 are welded on both vertical ends of the slide sleeves 4, the pin shafts 8 are respectively and slidably embedded in the movable grooves 7, the movable grooves 7 are in a straight groove mouth-shaped structure, the pin shafts 8 are in clearance fit with the straight groove mouths, two fixing bolts 9 are arranged on the adjusting rod 6, one of, the other is movably connected with the middle plate, and one surface of the middle plate 2 close to the adjusting rod 6 is provided with two groups of positioning grooves 11.

Specifically, as shown in fig. 1 and 3, every group all is provided with a plurality ofly in two sets of constant head tanks 11, and be the linear array setting between a plurality of constant head tanks 11, and two sets of constant head tanks 11 set up about the vertical central line symmetry of intermediate lamella 2, screw thread fixed connection between constant head tank 11 and the gim peg 9, thereby accomplish the fixed to adjusting pole 6 position, equal thread bush is equipped with gyro wheel 23 on two gim pegs 9, and gyro wheel 23 cross-section is H shape structure, and gyro wheel 23 jackshaft position and the setting of laminating between adjusting pole 6, the groove of sliding 10 has been seted up on adjusting pole 6, and the groove of sliding 10 passes through gyro wheel 23 and a sliding connection in two gim pegs 9, make the position of gim peg 9 adjustable, thereby can guarantee fixed connection between gim peg 9 and the constant head.

Specifically, as shown in fig. 1, fig. 2 and fig. 4, a plurality of grooves 501 which do not penetrate through the sliding rod 5 are formed on one side of the sliding rod 5 away from the middle plate 2, the plurality of grooves 501 are distributed in a linear array manner, a sleeve 13 is arranged on the sliding rod 5, a through groove 14 is formed in the middle position of the sleeve 13, the sleeve 13 is slidably connected with the sliding rod 5 through the through groove 14, the cross sections of the sleeve 13 and the sliding rod 5 are both in a rectangular structure, the sleeve 13 and the sliding rod 5 are in clearance fit, a sleeve 15 is welded on one side of the sleeve 13 away from the middle plate 2, two limiting grooves 16 in an L-shaped structure are formed in a central symmetry manner on the sleeve 15, the horizontal ends of the limiting grooves 16 are not communicated with the outside, the vertical ends are communicated with the outside, a conical spring 22 is fixedly connected to the inside of the sleeve 15, a bump 21 is fixedly connected to the bottom end of the conical, and the lug 21 runs through the sleeve 13 and extends to the through groove 14, the lug 21 is connected with the sleeve 13 in a sliding manner, the sleeve 15 is connected with the bolt 18 in a sliding manner, two pins 19 which correspond to the limiting groove 16 are welded on the bolt 18, the mounting block 12 which is in a U-shaped structure is welded at the end position of the bolt 18, when the pin 19 is positioned in the limiting groove 16 for limiting, the mounting block 12 is horizontally arranged, and the mounting block 12 is provided with a screw hole 20 which runs through the mounting block.

The working principle is as follows: firstly, the sliding sleeves 4 are additionally arranged on the two sliding rods 3, the sliding rods 5 and the adjusting rods 6 are added, after the sliding rods are adjusted to proper positions, the heights of the sliding rods are fixed by rotating the two fixing bolts 9 on the adjusting rods 6, when the angles of the adjusting rods 6 need to be adjusted, the fixing bolts 9 in the round holes are fixed, the adjusting rods 6 are rotated by taking the fixing bolts as the centers of circles, the pin shafts 8 slide in the movable grooves 7 of the adjusting rods 6 in the rotating process of the adjusting rods 6 and are matched with the rotation of the angles of the adjusting rods, after the angles are proper, the fixing bolts 9 in the sliding grooves 10 are screwed, and when the fixing bolts are fixed with the positioning grooves 11, the height adjustment of the sliding sleeves 4 is completed, different angle settings of the mounting bracket are realized, and the applicability of the device is improved; the bottom plate 1 is fixedly connected on the fixed surface, at the moment, because the conical spring 22 pulls the convex block 21 away from the groove 501, the sleeve 13 is not limited, so that the sleeve 13 can slide on the sliding rod 5 to change the position, after the position is proper, the bolt 18 and the pin 19 are aligned with the limiting groove 16 and pressed inwards, after the pin 19 reaches the horizontal section of the limit groove 16, the bolt 18 is rotated to keep the bolt 18 stable, the pushing action of the latch 18 on the conical spring 22 causes the conical spring 22 to push the projection 21 into the recess 501, thereby completing the fixing of the position of the sleeve 13, after the bolt 18 is removed, the sleeve 13 can be moved again, so that a good mobility of the mounting block 12 is ensured, by screwing the connecting screw on the screw hole 20 of the mounting block 12, the completion that can be convenient is to the fixed of circuit board, and the same device is inside can realize installing simultaneously to the circuit board of equidimension not.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A mounting and fixing device suitable for mounting circuit boards of different sizes comprises a bottom plate (1), wherein two bottom plates (1) are arranged, a middle plate (2) is welded above the middle position of each bottom plate (1), slide rods (3) welded with the bottom plates (1) are arranged on the two horizontal sides of each middle plate (2), the mounting and fixing device is characterized in that a sliding sleeve (4) is sleeved on each slide rod (3), the two sliding sleeves (4) are positioned on the two sides of each middle plate (2) and are respectively movably connected with a sliding rod (5) and an adjusting rod (6), movable grooves (7) are formed in the two ends of each sliding rod (5) and each adjusting rod (6), pin shafts (8) are welded on the two vertical ends of each sliding sleeve (4), the pin shafts (8) are respectively slidably embedded in the movable grooves (7), two fixing bolts (9) are arranged on each adjusting rod (6), one of the two fixing bolts (9) is rotatably connected with the adjusting rod (6), the other end is movably connected with the middle plate, and one surface of the middle plate (2) close to the adjusting rod (6) is provided with two groups of positioning grooves (11); the two fixing bolts (9) are respectively provided with a roller (23) in a threaded sleeve manner, the cross section of each roller (23) is of an H-shaped structure, the position of the middle axis of each roller (23) is attached to the adjusting rod (6), the adjusting rod (6) is provided with a sliding groove (10), the sliding groove (10) is in sliding connection with one of the two fixing bolts (9) through the rollers (23), the sliding rod (5) is provided with a sleeve (13), the middle position of each sleeve (13) is provided with a through groove (14), each sleeve (13) is in sliding connection with the corresponding sliding rod (5) through the corresponding through groove (14), one side, far away from the middle plate (2), of each sleeve (13) is welded with a sleeve (15), the centers of the sleeves (15) are symmetrically provided with two limiting grooves (16) in an L-shaped structure, and conical springs (22) are fixedly connected inside the sleeves (15), and conical spring (22) bottom fixedly connected with lug (21) to lug (21) run through during sleeve pipe (13) extends to logical groove (14), sliding connection between lug (21) and sleeve pipe (13), sliding connection has bolt (18) in sleeve (15), and the welding has two to correspond pin (19) that set up with spacing groove (16) on bolt (18), the welding of bolt (18) end position department has installation piece (12) that are the U-shaped structure, and sets up screw hole (20) that run through its setting on installation piece (12).

2. A mounting fixture adapted to mount circuit boards of different sizes according to claim 2, wherein a plurality of positioning slots (11) are provided in each of the two sets of positioning slots (11), and the positioning slots (11) are arranged in a linear array, and the two sets of positioning slots (11) are symmetrically arranged about the vertical center line of the middle plate (2).

3. The mounting and fixing device suitable for mounting the circuit boards with different sizes as claimed in claim 1 or 2, wherein a plurality of grooves (501) which are not arranged through the sliding rod (5) are formed in one side of the sliding rod away from the middle plate (2), and the plurality of grooves (501) are distributed in a linear array.

4. A mounting and fixing method suitable for mounting circuit boards of different sizes, using the mounting and fixing device for circuit boards according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:

step 1), additionally arranging sliding sleeves (4) on two sliding rods (3), and finishing addition of a sliding rod (5) and an adjusting rod (6);

step 2), after the adjusting rod is adjusted to a proper position, the height of the adjusting rod (6) is fixed by rotating the two fixing bolts (9) on the adjusting rod (6), when the angle of the adjusting rod (6) needs to be adjusted, the fixing bolts (9) in the round holes are fixed, the adjusting rod (6) is rotated by taking the fixing bolts as the circle center, the pin shaft (8) slides in the movable groove (7) of the adjusting rod (6) in the rotating process of the adjusting rod (6) to match the rotation of the angle of the adjusting rod, and after the angle is proper, the fixing bolts (9) in the sliding groove (10) are screwed, and when the fixing bolts are fixed with the positioning grooves (11), the height adjustment of the sliding sleeve (4) is completed;

step 3), the bottom plate (1) is fixedly connected to the fixing surface, the conical spring (22) pulls the bump (21) away from the groove (501), and the sleeve (13) is not limited, so that the sleeve (13) can slide on the sliding rod (5) to change the position;

step 4), after the position is proper, aligning the bolt (18) and the pin (19) with the limiting groove (16) and pressing the bolt (18) inwards, rotating the bolt (18) after the pin (19) reaches the horizontal section of the limiting groove (16) to keep the bolt (18) stable, and pushing the conical spring (22) to push the bump (21) into the groove (501) through the pushing action of the bolt (18) on the conical spring (22), so that the sleeve (13) is fixed;

and step 5), after the bolt (18) is taken down, the sleeve (13) can be moved, so that the good mobility of the mounting block (12) is ensured, and the circuit board can be conveniently fixed by screwing the connecting screw on the screw hole (20) on the mounting block (12).