Slot type anti-drop PCB (printed circuit board)

Abstract

The utility model relates to the technical field of PCBs (printed circuit boards), in particular to a slot type anti-drop PCB, which comprises a board and a slot seat, the slot seat is slidably connected to the outer side of the board, an anti-drop mechanism is fixedly connected to the inner side of the slot seat, the anti-drop mechanism comprises a driving assembly, a first gear is meshed with the outer side of the driving assembly, a second gear is meshed with the outer side of the first gear, and the second gear is meshed with the outer side of the second gear. The inner side of the second gear is fixedly connected with a synchronizing shaft, the outer side of the synchronizing shaft is fixedly connected with a third gear, the outer side of the third gear is meshed with a fourth gear, the left side of the fourth gear is fixedly connected with a flexible clamping plate, the lower end of the flexible clamping plate is provided with a conductive contact piece, the driving assembly comprises a driving rod, and the lower end of the driving rod is fixedly connected with an adapter plate. Through mutual cooperation of all components arranged in the anti-falling mechanism, the anti-falling function of the circuit board is realized, dust is effectively prevented from entering the slot, the reliability and the stability of the circuit board are remarkably improved, and the service life of the circuit board is prolonged at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB circuit board technical field, concretely is a kind of slot type anti-drop PCB circuit board. BACKGROUND

[0002] The slot type anti-drop PCB circuit board is particularly considered the stability of component insertion and fixation when designing and manufacturing, it is a kind of printed circuit board using slot structure and anti-drop design to ensure the firm connection of component in working environment, avoid loosening caused by vibration, impact or improper use;

[0003] The slot type anti-drop PCB circuit board in long-term use, dust can enter equipment through heat dissipation system and accumulate on the surface of circuit board, when dust enters slot, it can cover and oxidize metal contact point, increase contact resistance, seriously cause equipment contact bad, and further cause circuit to disconnect, therefore, aiming at the above problem, a slot type anti-drop PCB circuit board is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of slot type anti-drop PCB circuit board, to solve the problem that PCB circuit board in long-term use, dust can enter equipment through heat dissipation system and accumulate on the surface of circuit board, when dust enters slot, it can cover and oxidize metal contact point, increase contact resistance, seriously cause equipment contact bad, and further cause circuit to disconnect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A slot type anti-drop PCB circuit board, including board material and slot seat, the board material outside is slidably connected with slot seat, the slot seat inside is fixedly connected with anti-drop mechanism, the anti-drop mechanism includes drive assembly, the drive assembly outside is engaged with first gear, the first gear outside is engaged with second gear, the second gear inside is fixedly connected with synchronous shaft, the synchronous shaft outside is fixedly connected with third gear, the third gear outside is engaged with fourth gear, the fourth gear left side is fixedly connected with flexible clamping plate, the flexible clamping plate lower end is provided with conductive contact piece, the drive assembly includes drive rod, the drive rod lower end is fixedly connected with adapter plate, the adapter plate rear end is fixedly connected with connecting rod, the connecting rod rear end is fixedly connected with toothed plate, the toothed plate outside is fixedly connected with rack, the adapter plate lower end is fixedly connected with guide plate, the guide plate inside is slidably connected with clamping rod, the guide plate outside is provided with spring, the flexible clamping plate includes clamping plate body, the clamping plate body inside is provided with clamping cavity, the clamping cavity inside is fixedly connected with cavity partition, the conductive contact piece includes conductive sheet body, the conductive sheet body inside is provided with contact piece cavity, the contact piece cavity inside is fixedly connected with reed.

[0007] As the further optimization of the utility model, wherein: the groove seat inside slide connection has drive assembly, the groove seat inside rotation connection has first gear, the groove seat inside rotation connection has synchronous shaft, the synchronous shaft outside fixed connection has third gear.

[0008] As the further optimization of the utility model, wherein: the second gear, the synchronous shaft and the third gear's axle center is on the same straight line, the fourth gear's center axle and the third gear's center axle are parallel to each other.

[0009] As the further optimization of the utility model, wherein: the first gear, the second gear and the synchronous shaft are provided with two respectively, the first gear is symmetrically distributed on the front and rear sides of the plate, the position of the second gear corresponds to the position of the first gear one by one, and the position of the synchronous shaft corresponds to the position of the first gear one by one.

[0010] As the further optimization of the utility model, wherein: the third gear and the fourth gear are provided with four respectively, the third gear is distributed in the groove seat inside in rectangular array, and the position of the fourth gear corresponds to the position of the third gear one by one.

[0011] As the further optimization of the utility model, wherein: the flexible clamping plate is provided with two, the flexible clamping plate is symmetrically distributed on the front and rear sides of the plate, and the rear end surface of the flexible clamping plate is attached to the front end surface of the plate.

[0012] As the further optimization of the utility model, wherein: the conductive contact piece is provided with several, the conductive contact piece is distributed in the groove seat inside in rectangular array, and one side of the conductive contact piece is attached to one side of the plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, through the cooperation of various components arranged in the anti-dropping mechanism, the anti-dropping function of the circuit board is realized, dust is effectively prevented from entering the slot, the metal contact points are prevented from being covered and oxidized by dust, the risk of circuit board failure is reduced, the reliability and stability of the circuit board are improved, and the service life of the circuit board is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the anti-dropping mechanism installation position structure schematic diagram of the utility model;

[0017] Figure 3 It is the anti-dropping mechanism installation position structure schematic diagram of the utility model; Figure 2 It is the anti-dropping mechanism installation position structure schematic diagram of the utility model;

[0018] Figure 4 For the utility model Figure 2 Amplification structure schematic view of B place in middle;

[0019] Figure 5 For the utility model drive assembly structure schematic view;

[0020] Figure 6 For the utility model flexible clamping plate structure schematic view;

[0021] Figure 7 For the utility model conductive contact structure schematic view.

[0022] In the drawing: 1, board material;2, groove seat;3, anti-off mechanism;31, drive assembly;311, drive rod;312, adapter plate;313, connecting rod;314, toothed plate;315, rack;316, guide plate;317, clamping rod;318, spring;32, first gear;33, second gear;34, synchronous shaft;35, third gear;36, fourth gear;37, flexible clamping plate;371, clamping plate body;372, clamping cavity;373, cavity partition;38, conductive contact;381, conductive sheet body;382, contact cavity;383, reed. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0025] Please refer to Figures 1-7 The utility model provides a technical scheme:

[0026] The utility model provides a kind of slot type anti-drop PCB circuit board, including board 1 and slot 2, board 1 outer side sliding connection has slot 2, slot 2 inner side fixedly connected with anti-drop mechanism 3, anti-drop mechanism 3 includes drive assembly 31, drive assembly 31 outer side engages with first gear 32, first gear 32 outer side engages with second gear 33, second gear 33 inner side fixedly connected with synchronous shaft 34, synchronous shaft 34 outer side fixedly connected with third gear 35, third gear 35 outer side engages with fourth gear 36, fourth gear 36 left side fixedly connected with flexible clamping plate 37, flexible clamping plate 37 lower end is provided with conductive contact piece 38, drive assembly 31 includes drive rod 311, drive rod 311 lower end fixedly connected with adapter plate 312, adapter plate 312 rear end fixedly connected with connecting rod 313, connecting rod 313 rear end fixedly connected with toothed plate 314, toothed plate 314 outer side fixedly connected with rack 315, adapter plate 312 lower end fixedly connected with guide plate 316, guide plate 316 inner side slidingly connected with clamping rod 317, guide plate 316 outer side is provided with spring 318, flexible clamping plate 37 includes clamping plate body 371, clamping plate body 371 inner side is provided with clamping cavity 372, clamping cavity 372 inner side fixedly connected with cavity partition 373, conductive contact piece 38 includes conductive sheet body 381, conductive sheet body 381 inner side is provided with contact piece cavity 382, contact piece cavity 382 inner side fixedly connected with reed 383.

[0027] As further implementation of the scheme, third gear 35 and fourth gear 36 are each provided with four, third gear 35 is distributed in rectangular array on the inner side of slot 2, the position of fourth gear 36 corresponds to the position of third gear 35 one by one, such design is more reasonable, is favorable to improve the accuracy of device operation;

[0028] As further implementation of the scheme, the axis of second gear 33, synchronous shaft 34 and third gear 35 is on the same straight line, the central axis where fourth gear 36 is located and the central axis where third gear 35 is located are parallel to each other, such design structure is reasonable, is favorable to the cooperation between parts;

[0029] As further implementation of the scheme, slot 2 inner side slidingly connected with drive assembly 31, slot 2 inner side rotatably connected with first gear 32, slot 2 inner side rotatably connected with synchronous shaft 34, synchronous shaft 34 outer side fixedly connected with third gear 35, such design structure is reasonable, is favorable to the transmission of force between parts;

[0030] As a further implementation of the present scheme, the first gear 32, the second gear 33 and the synchronization shaft 34 are each provided with two, the first gear 32 is symmetrically distributed on the front and back of the plate 1, the position of the second gear 33 corresponds to the position of the first gear 32 one by one, and the position of the synchronization shaft 34 corresponds to the position of the first gear 32 one by one. Such design can strengthen the mutual support between components and improve the stability of the device;

[0031] As a further implementation of the present scheme, the conductive contact 38 is provided with several, the conductive contact 38 is distributed in a rectangular array on the inner side of the slot seat 2, and one side of the conductive contact 38 is attached to one side of the plate 1. Such design is more reasonable and conducive to the transmission of electrical signals from the conductive contact 38 to the plate 1.

[0032] As a further implementation of the present scheme, the flexible clamping plate 37 is provided with two, the flexible clamping plate 37 is symmetrically distributed on the front and back of the plate 1, and the rear end face of the flexible clamping plate 37 is attached to the front end face of the plate 1. Such design is more reasonable and conducive to protecting the contacts of the plate 1 from dust.

[0033] Workflow: When the slot type anti-drop PCB circuit board is used, the plate 1 is inserted into the inner side of the slot seat 2, the plate 1 is provided with contacts at the lower end, the slot seat 2 is provided with several conductive contacts 38 on the inner side, the contacts at the lower end of the plate 1 are attached to the conductive contacts 38, the conductive contacts 38 on both sides of the plate 1 are pressed and tightly held, the inner side of the conductive contact 38 is provided with a contact cavity 382, the inner side of the contact cavity 382 is fixedly connected with a reed 383, the reed 383 is tightly pressed by the plate 1, the reed 383 generates elastic force due to the pressing, the elastic force deforms the contact cavity 382, the deformation of the contact cavity 382 causes the deformation of the conductive contact 38, thereby realizing the fixation of the plate 1.

[0034] The inside of the groove base 2 is provided with a driving assembly 31, when the board 1 is installed in place, the driving assembly 31 is triggered to work, and the board 1 is pressed downward, the board 1 drives the driving rod 311 to move downward, the lower end of the driving rod 311 is fixedly connected with an adapter plate 312, the rear end of the adapter plate 312 is fixedly connected with a connecting rod 313, the driving rod 311 moves downward to drive the connecting rod 313 to move downward, the rear end of the connecting rod 313 is fixedly connected with a toothed plate 314, the connecting rod 313 moves downward to drive the toothed plate 314 to move downward, the outer side of the toothed plate 314 is fixedly connected with a rack 315, the rack 315 is meshed with a first gear 32, the toothed plate 314 moves downward to drive the first gear 32 to rotate, the first gear 32 is meshed with a second gear 33, the second gear 33 and a third gear 35 are fixedly connected through a synchronous shaft 34, the third gear 35 is meshed with a fourth gear 36, the first gear 32 rotates to drive the fourth gear 36 to rotate, one side of the fourth gear 36 is fixedly connected with a flexible clamping plate 37, the fourth gear 36 rotates to drive the flexible clamping plate 37 to rotate, the flexible clamping plate 37 rotates to tightly hold the board 1, so as to close the gap between the groove base 2 and the board 1, so that dust cannot enter the groove base 2;

[0035] The board 1 is pressed again to drive the guide plate 316 on the lower side of the adapter plate 312 to move downward, the outer side of the guide plate 316 is provided with a spring 318, the guide plate 316 moves downward to make the spring 318 contract, the inner side of the guide plate 316 is slidably connected with a clamping rod 317, the spring 318 contracts to make the clamping rod 317 loose, the spring 318 is released to make the clamping rod 317 loose, the spring 318 is released to make the connecting rod 313 move upward, so that the flexible clamping plate 37 rotates to expand, and the board 1 is released.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A slot anti-drop PCB circuit board comprising a board (1) and a slot base (2), characterized in that: The plate (1) is slidably connected with a groove seat (2) outside, and the groove seat (2) is fixedly connected with an anti-off mechanism (3) inside. The anti-off mechanism (3) comprises a driving assembly (31), the driving assembly (31) is engaged with a first gear (32) outside, the first gear (32) is engaged with a second gear (33) outside, the second gear (33) is fixedly connected with a synchronous shaft (34) inside, the synchronous shaft (34) is fixedly connected with a third gear (35) outside, the third gear (35) is engaged with a fourth gear (36) outside, and the fourth gear (36) is fixedly connected with a flexible clamping plate (37) on the left side, and the flexible clamping plate (37) is provided with a conductive contact piece (38) at the lower end. The driving assembly (31) comprises a driving rod (311), the driving rod (311) is fixedly connected with an adapter plate (312) at the lower end, the adapter plate (312) is fixedly connected with a connecting rod (313) at the rear end, the connecting rod (313) is fixedly connected with a toothed plate (314) at the rear end, the toothed plate (314) is fixedly connected with a rack (315) outside, the adapter plate (312) is fixedly connected with a guide plate (316) at the lower end, the guide plate (316) is slidably connected with a clamping rod (317) inside, and the guide plate (316) is provided with a spring (318) outside. The flexible clamping plate (37) comprises a clamping plate body (371), the clamping plate body (371) is provided with a clamping cavity (372) inside, the clamping cavity (372) is fixedly connected with a cavity partition (373) inside, the conductive contact piece (38) comprises a conductive sheet body (381), the conductive sheet body (381) is provided with a contact piece cavity (382) inside, and the contact piece cavity (382) is fixedly connected with a reed (383) inside.

2. The anti-drop PCB circuit board of claim 1, wherein: The groove seat (2) is slidably connected with a driving assembly (31) inside, the groove seat (2) is rotatably connected with a first gear (32) inside, and the groove seat (2) is rotatably connected with a synchronous shaft (34) inside.

3. The anti-drop PCB circuit board of claim 1, wherein: The shaft centers of the second gear (33), the synchronous shaft (34) and the third gear (35) are on the same straight line, and the central axis of the fourth gear (36) is parallel to the central axis of the third gear (35).

4. The anti-drop PCB circuit board of claim 1, wherein: The first gear (32), the second gear (33) and the synchronous shaft (34) are each provided with two, the first gear (32) is symmetrically distributed on the front and rear sides of the plate (1), the positions of the second gears (33) correspond to the positions of the first gears (32) one by one, and the positions of the synchronous shafts (34) correspond to the positions of the first gears (32) one by one.

5. The anti-extraction PCB circuit board of claim 1, wherein: The third gear (35) and the fourth gear (36) are each provided with four, the third gears (35) are arranged in a rectangular array inside the groove seat (2), and the positions of the fourth gears (36) correspond to the positions of the third gears (35) one by one.

6. The anti-extraction PCB circuit board of claim 1, wherein: The flexible clamping plates (37) are provided with two, symmetrically distributed on the front and back of the plate (1), and the rear end surface of the flexible clamping plate (37) is attached to the front end surface of the plate (1).

7. The anti-extraction PCB circuit board of claim 1, wherein: The conductive contact pads (38) are provided with several, which are arranged in a rectangular array on the inner side of the groove seat (2), and one side of the conductive contact pad (38) is attached to one side of the plate (1).

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