CN219134817U

CN219134817U - Grillage for PCB board

Info

Publication number: CN219134817U
Application number: CN202320039955.2U
Authority: CN
Inventors: 黎达营
Original assignee: Zhongshan Chuansong Intelligent Equipment Co ltd
Current assignee: Zhongshan Chuansong Intelligent Equipment Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-06-06
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses a plate frame for a PCB (printed circuit board) for supporting the PCB, which comprises a frame body and two supporting arms, wherein the frame body is provided with a supporting groove, the supporting groove is used for inserting the bottom of the PCB, the two supporting arms are arranged on the frame body and are arranged oppositely, the supporting arms are arranged obliquely to the vertical direction, the supporting arms are used for supporting one plate surface of the PCB so as to enable the PCB to be obliquely arranged, the supporting arms are provided with limiting blocks, and the limiting block on one supporting arm and the limiting block on the other supporting arm are used for respectively abutting against two side parts of the PCB. Through the structure, the PCB is obliquely arranged on the plate frame, and the supporting arm plays a role in supporting the PCB, so that the probability of local buckling deformation of the PCB with the thickness below 1mm can be reduced.

Description

Grillage for PCB board

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a plate frame for a PCB.

Background

In the prior art, the printed PCB board is vertically arranged on the board frame, the conveying device drives the board frame provided with the PCB board to move through the tunnel furnace so as to finish the baking procedure of the PCB board, wherein when the thickness of the PCB board is below 1mm, the vertically arranged PCB board is easy to generate the problem of local buckling deformation.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and therefore, the utility model provides the plate frame for the PCB, which can reduce the probability of local buckling deformation of the PCB with the thickness of less than 1 mm.

According to the embodiment of the utility model, the plate frame for the PCB is used for supporting the PCB and comprises a frame body and two supporting arms, wherein the frame body is provided with a supporting groove, the supporting groove is used for inserting the bottom of the PCB, the two supporting arms are arranged on the frame body, the two supporting arms are oppositely arranged and are obliquely arranged in the vertical direction, the supporting arms are used for supporting one plate surface of the PCB so that the PCB is obliquely arranged, the supporting arms are provided with limiting blocks, and one limiting block on one supporting arm and the other limiting block on the other supporting arm are used for respectively abutting against two side parts of the PCB.

The plate frame for the PCB has at least the following beneficial effects: through the structure, the PCB is obliquely arranged on the plate frame, and the supporting arm plays a role in supporting the PCB, so that the probability of local buckling deformation of the PCB with the thickness below 1mm can be reduced.

According to some embodiments of the utility model, the supporting arms are arranged on the frame body through adjusting assemblies, and the two adjusting assemblies can adjust or lock the distance between the two supporting arms.

According to some embodiments of the utility model, the adjusting assembly comprises a locking assembly and at least two connecting rod pieces, one end of each connecting rod piece is rotatably connected with the frame body, the other end of each connecting rod piece is rotatably connected with the corresponding bearing arm, the at least two connecting rod pieces are sequentially arranged from top to bottom, the locking assembly is arranged on the frame body, and the locking assembly can unlock or lock one connecting rod piece so as to correspondingly enable the two bearing arms to be capable of moving to adjust the distance between the two bearing arms or correspondingly enable the distance between the two bearing arms to be locked.

According to some embodiments of the utility model, one end of one of the link members is provided with a ratchet part, the locking assembly comprises a rotating handle, a first abutting member and an elastic member, the rotating handle is rotatably connected to the frame body, the rotating handle is provided with a pawl part, the first abutting member is arranged on the frame body, one end of the elastic member is connected with the frame body, the other end of the elastic member is connected with the rotating handle, the elastic member can drive the rotating handle to rotate to abut against the first abutting member so as to enable the pawl part to engage with the ratchet part to lock the supporting arm, and the rotating handle can rotate to disengage from the abutting of the first abutting member so as to enable the pawl part to disengage from the ratchet part to movably adjust the position of the supporting arm.

According to some embodiments of the utility model, the frame is provided with a second abutment, the stem being rotatable into abutment with the second abutment to disengage the pawl portion and the ratchet portion, the second abutment and the first abutment together limiting the rotatable extent of the stem.

According to some embodiments of the utility model, the support arm is provided with a first pivot hole, the other end of the link member is provided with a second pivot hole, and the second pivot hole and the first pivot hole are detachably penetrated with a pivot rod assembly.

According to some embodiments of the utility model, the first rotating holes are at least three, at least three first rotating holes are sequentially arranged along the straight line direction of the bearing arm, and the second rotating holes and the corresponding first rotating holes detachably penetrate through the hinge arm assembly.

According to some embodiments of the utility model, two adjacent link members are arranged in parallel.

According to some embodiments of the utility model, the frame body comprises a strip frame and two mounting arms, the strip frame is provided with the bearing groove, the two mounting arms are respectively arranged at two ends of the strip frame, the two mounting arms are oppositely arranged, the mounting arms are arranged obliquely to the vertical direction, and the bearing arms are arranged on the corresponding mounting arms through the adjusting assemblies.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a block diagram of an embodiment of a board rack for a PCB of the present utility model;

fig. 2 is a side view of the board rack for the PCB board shown in fig. 1.

Reference numerals:

the frame body 100, the strip frame 110, the bearing groove 111, the mounting arm 120 and the second abutting piece 121;

the support arm 200, the limiting block 210 and the first rotating hole 220;

the device comprises an adjusting assembly 300, a connecting rod piece 310, a ratchet part 311, a locking assembly 320, a rotating handle 321, a pawl part 321A, a first abutting piece 322 and an elastic piece 323;

a PCB 400.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, if any, the first, second, third, fourth, fifth, etc. are described for the purpose of distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 and 2, a board rack for a PCB board according to an embodiment of the present utility model is used for receiving a PCB board 400, and includes a rack body 100 and two support arms 200.

The frame body 100 is provided with a bearing groove 111, the bottom of the support groove 111 is used for supplying the PCB 400 to insert and establishes, two support arms 200 are all located the frame body 100, two support arms 200 set up relatively, support arm 200 slope in vertical direction sets up, support arm 200 is used for supporting a face of PCB 400 so that the PCB 400 slope sets up, support arm 200 is equipped with stopper 210, stopper 210 on one of them support arm 200 and stopper 210 on another support arm 200 are used for respectively the butt two lateral parts of PCB 400.

It can be appreciated that when the PCB board is mounted on the board frame, the bottom of the PCB board is inserted into the supporting groove 111, the bottom of the PCB board is abutted with the bottom of the supporting groove 111, a board surface of the PCB board is abutted with the supporting arms 200, and the limiting block 210 on one supporting arm 200 and the limiting block 210 on the other supporting arm 200 are respectively abutted with two side portions of the PCB board 400.

Through the structure, the PCB is obliquely arranged on the plate frame, and the supporting arm 200 plays a role in supporting the PCB, so that the probability of local buckling deformation of the PCB with the thickness below 1mm can be reduced.

The frame body 100 includes a bar frame 110 and two mounting arms 120.

Referring to fig. 1 and 2, the rack 110 is provided with the above-mentioned supporting groove 111, two mounting arms 120 are respectively provided at both ends of the rack 110, the two mounting arms 120 are oppositely provided, the mounting arms 120 are inclined to the vertical direction, and the two supporting arms 200 are provided in one-to-one correspondence with the two mounting grooves 120.

It will be appreciated that the mounting arms 120 are disposed obliquely to the vertical direction, and that two support arms 200 are disposed in one-to-one correspondence with the two mounting arms 120, even if the support arms 200 are disposed obliquely to the vertical direction.

In this embodiment, referring to fig. 1, the supporting arms 200 are disposed on the corresponding mounting arms 120 through the adjusting assemblies 300, and the two adjusting assemblies 300 can adjust or lock the spacing between the two supporting arms 200 to adapt to PCB boards with different widths.

It will be appreciated that the support arms 200 are provided to the corresponding mounting arms 120 by means of the adjustment assembly 300, i.e. one of the support arms 200 is provided to one of the mounting arms 120 by means of one adjustment assembly 300 and the other support arm 200 is provided to the other mounting arm 120 by means of the other adjustment assembly 300.

In some embodiments, one of the support arms 200 is secured to one of the mounting arms 120 and the other support arm 200 is secured to the other mounting arm 120 by an adjustment assembly 300.

In some embodiments, two support arms 200 are secured to two mounting arms 120 in a one-to-one correspondence.

The adjustment assembly 300 includes a locking assembly 320 and two linkage members 310.

Referring to fig. 1, one end of the link member 310 is rotatably connected to the mounting arm 120, the other end is rotatably connected to the support arm 200, the two link members 310 are sequentially disposed from top to bottom, the two link members 310 are disposed in parallel, the locking assembly 320 is disposed on the frame body 100, and the locking assembly 320 can unlock or lock the link member 310 disposed below, so as to correspondingly enable the two support arms 200 to move and adjust the distance between the two support arms 200, or correspondingly enable the distance between the two support arms 200 to lock.

In some embodiments, the number of link members 310 is three, three link members 310 are disposed sequentially from top to bottom, and two adjacent link members 310 are disposed in parallel.

The lower link member 310 has a ratchet portion 311 at one end thereof, and the lock assembly 320 includes a stem 321, a first abutment 322, and an elastic member 323.

Referring to fig. 1, a stem 321 is rotatably connected to the frame 100, the stem 321 is provided with a pawl portion 321A, a first contact piece 322 is provided to the frame 100, one end portion of an elastic piece 323 is connected to the frame 100, and the other end portion is connected to the stem 321. Wherein the elastic member 323 is provided as a spring.

The elastic member 323 can drive the rotation handle 321 to rotate to abut against the first abutting member 322, so that the pawl portion 321A and the ratchet portion 311 are engaged, and the support arm 200 can be locked.

The rotation lever 321 is rotatable out of contact with the first contact piece 322, and the ratchet portion 311 is disengaged from the pawl portion 321A, so that the position of the support arm 200 can be moved and adjusted.

In summary, the user adjusts and locks the spacing between the two support arms 200 as follows:

1. the rotating handle 321 is driven to rotate against the acting force of the elastic piece 323, so that the rotating handle 321 is separated from abutting with the first abutting piece 322, and the engagement between the pawl portion 321A and the ratchet portion 311 is released;

2. the engagement of the holding pawl portion 321A and the ratchet portion 311 is released, and the link member 310 is rotated to adjust the pitch of the two racking arms 200;

3. after the spacing adjustment is completed, the rotating handle 321 is driven to rotate to abut against the first abutting piece 322 under the guiding force of the elastic piece 323, so that the pawl portion 321A and the ratchet portion 311 are meshed to lock the spacing between the two support arms 200.

With the above configuration, the design of the pawl portion 321A and the ratchet portion 311 can simplify the pitch adjustment work of the two support arms 200.

In order to reduce the occurrence of damage to the elastic member 323 due to an excessive rotation range of the rotation lever 321, referring to fig. 1, the mounting arm 120 is provided with a second abutment 121, and the rotation lever 321 is rotatable to abut against the second abutment 121 to release the engagement between the pawl portion 321A and the ratchet portion 311, and the second abutment 121 and the first abutment 322 together limit the rotatable range of the rotation lever 321.

In some embodiments, the adjustment assembly 300 includes a link member 310 and a fastening assembly, the support arm 200 is disposed on the link member 310, the link member 310 is provided with a slide hole, the mounting arm 120 is provided with a mounting hole, and the fastening assembly is disposed through the slide hole and the mounting hole. The fastening assembly comprises a bolt and a nut, the rod portion of the bolt penetrates through the sliding hole and the mounting hole, the nut is in threaded connection with the bolt, and the head portion of the bolt and the nut can clamp and lock the link member 310 and the mounting arm 120.

The other end portion of the link member 310 is rotatably connected to the support arm 200, and specifically, referring to fig. 1, the support arm 200 is provided with a first pivot hole 220, the other end portion of the link member 310 is provided with a second pivot hole (not shown), and the second pivot hole and the first pivot hole 220 are detachably pierced with a hinge arm assembly (not shown). The hinge arm assembly includes a screw and two nuts, the screw is inserted through the second rotation hole and the first rotation hole 220, the two nuts are in threaded connection with the screw, and the two nuts can limit the link member 310 and the support arm 200 from being separated from the screw.

With the above structure, the link member 310 is detachably connected with the support arm 200, so that the support arm 200 can be easily assembled and disassembled.

In order to accommodate the PCB boards of different lengths, referring to fig. 1, the number of the first rotating holes 220 is six, the six first rotating holes 220 are sequentially arranged along the linear direction of the supporting arm 200, and the second rotating holes and the corresponding first rotating holes 220 detachably penetrate through the hinge arm assembly, so that the height of the supporting arm 200 can be adjusted, that is, the distance between the supporting arm 200 and the bar frame 110 can be adjusted.

In some embodiments, the number of first transfer holes 220 may be set to three, seven, etc.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides a grillage for PCB board for hold and put PCB board (400), its characterized in that: comprising

The support body (100) is provided with a support groove (111), and the support groove (111) is used for inserting the bottom of the PCB (400);

two bearing arms (200) are all located support body (100), two bearing arm (200) set up relatively, bearing arm (200) slope is in vertical direction setting, bearing arm (200) are used for the bearing a face of PCB board (400) so that PCB board (400) slope sets up, bearing arm (200) are equipped with stopper (210), one of them stopper (210) on bearing arm (200) and another stopper (210) on bearing arm (200) are used for the butt respectively two lateral parts of PCB board (400).

2. A board rack for a PCB board according to claim 1, wherein:

the supporting arms (200) are arranged on the frame body (100) through adjusting assemblies (300), and the distance between the two supporting arms (200) can be adjusted or locked by the two adjusting assemblies (300).

3. A board rack for a PCB board according to claim 2, wherein: the adjustment assembly (300) includes:

the support device comprises at least two connecting rod pieces (310), wherein one end part of each connecting rod piece (310) is rotationally connected with the frame body (100), the other end part of each connecting rod piece is rotationally connected with the support arm (200), and the at least two connecting rod pieces (310) are sequentially arranged from top to bottom;

the locking assembly (320) is arranged on the frame body (100), and the locking assembly (320) can unlock or lock one of the connecting rod pieces (310) so as to correspondingly enable the two supporting arms (200) to move and adjust the distance between the two supporting arms or correspondingly enable the distance between the two supporting arms (200) to be locked.

4. A board rack for a PCB board according to claim 3, wherein:

one end of one of the link members (310) is provided with a ratchet portion (311), and the locking assembly (320) includes:

a rotating handle (321) rotatably connected to the frame body (100), wherein the rotating handle (321) is provided with a pawl part (321A);

a first contact piece (322) provided on the frame body (100);

an elastic member (323) having one end connected to the frame body (100) and the other end connected to the stem (321),

the elastic piece (323) can drive the rotating handle (321) to rotate to be abutted with the first abutting piece (322) so as to enable the pawl part (321A) to be meshed with the ratchet part (311) to lock the bearing arm (200),

the rotating handle (321) can rotate to be separated from abutting with the first abutting piece (322), so that the pawl part (321A) and the ratchet part (311) are disengaged, and the position of the supporting arm (200) can be movably adjusted.

5. The board rack for the PCB board of claim 4, wherein:

the frame body (100) is provided with a second abutting piece (121), the rotating handle (321) can rotate to abut against the second abutting piece (121) so as to release the engagement of the pawl part (321A) and the ratchet part (311), and the rotatable range of the rotating handle (321) is limited by the second abutting piece (121) and the first abutting piece (322) together.

6. A board rack for a PCB board according to claim 3, wherein:

the bearing arm (200) is provided with a first rotating hole (220), the other end part of the connecting rod piece (310) is provided with a second rotating hole, and the second rotating hole and the first rotating hole (220) are detachably penetrated with a pivot rod assembly.

7. The board rack for PCB boards of claim 6, wherein:

the number of the first rotating holes (220) is at least three, at least three first rotating holes (220) are sequentially arranged along the straight line direction of the bearing arm (200), and the second rotating holes and the corresponding first rotating holes (220) detachably penetrate through the hinge arm assembly.

8. A board rack for a PCB board according to claim 3, wherein: two adjacent link members (310) are arranged in parallel.

9. A board rack for a PCB board according to claim 2, wherein:

the support body (100) is including strip frame (110) and two installation arms (120), strip frame (110) are equipped with bearing groove (111), two installation arms (120) are located respectively the both ends of strip frame (110), two installation arms (120) set up relatively, installation arm (120) slope in vertical direction setting, bearing arm (200) are passed through adjusting part (300) are located corresponding installation arm (120).