CN210781787U

CN210781787U - Support for electrically connecting multiple development boards

Info

Publication number: CN210781787U
Application number: CN201921780638.6U
Authority: CN
Inventors: 黄彩霞; 朱汉基; 田志晓; 黎武兵; 林静妙
Original assignee: Zhuhai Heisan Education Technology Co ltd
Current assignee: Zhuhai Heisan Education Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-16
Anticipated expiration: 2029-10-22

Abstract

The embodiment of the utility model discloses a bracket for electrically connecting a plurality of development boards, which comprises a base frame, a fixed cutting sleeve connected with the base frame and conductive posts connected with the base frame and positioned at two ends of the fixed cutting sleeve, wherein a main bearing frame connected with the conductive posts is arranged above the base frame, the device is provided with a base frame and a main bearing frame, when fixing the development boards, only a plurality of development boards are respectively fixed on the base frame and the main bearing frame, when in operation, the connecting clamp frame on the development board is directly inserted into the clamping clamp sleeve to achieve the aim, even if a single development board fails, the damaged development board is pulled out without spending a great deal of time for disassembly, and then when power is connected, only the conductive posts are electrified, then the base frame and the main bearing frame are electrified, so that a plurality of development boards are electrified simultaneously, the operation is simple, and the condition that a certain development board cannot be connected with electricity or is in poor contact when the electricity is connected cannot easily occur.

Description

Support for electrically connecting multiple development boards

Technical Field

The embodiment of the utility model provides a relate to development board fixed connection field, concretely relates to support that is used for a plurality of development board electric connection.

Background

The development board is a circuit board for developing an embedded system, and comprises a series of hardware components such as a central processing unit, a memory, an input device, an output device, a data path/bus, an external resource interface and the like. The development board is generally customized by an embedded system developer according to development requirements, and can also be researched and designed by a user. The development board is used for a beginner to know and learn hardware and software of the system, and meanwhile, a part of the development board also provides a basic integrated development environment, software source codes, a hardware schematic diagram and the like. Common development boards include 51, ARM, FPGA and DSP development boards, and the purpose is usually achieved through a support when the development boards are fixedly connected.

Present linking bridge faces generally, often all realize the purpose through parts such as pin when a plurality of development boards need to be fixed, its operation is comparatively loaded down with trivial details, need spend a large amount of time dismantlement again if certain development board breaks down, and this just leads to work efficiency lower, a plurality of development boards also need use a plurality of supports when fixed simultaneously, and this just makes equipment area great, still can make the development board connect the electricity simultaneously and receive the influence, thereby the bad condition of contact takes place when leading to certain development board can't connect the electricity or connect the electricity.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a support for a plurality of development board electricity are connected to solve among the prior art and often all realize the purpose through parts such as pin when needing fixed a plurality of development boards, need spend a large amount of times dismantlement again if certain development board breaks down, and this just leads to work efficiency lower, a plurality of development boards also need use a plurality of supports when fixed simultaneously, make equipment area great, still can make the development board connect the electricity to receive the problem of influence simultaneously.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a support for electrically connecting a plurality of development boards comprises a base frame and conductive posts connected to two ends of the base frame, wherein a main bearing frame connected with the conductive posts is arranged above the base frame, conductive sleeves are connected to positions, corresponding to the conductive posts, of two ends of the main bearing frame, a limiting clamping sleeve is mounted on the upper surface of the main bearing frame, a guide block is mounted in the limiting clamping sleeve, electric leading clamps connected with the conductive sleeves are mounted at two ends of the guide block, sliding grooves are formed in the limiting clamping sleeve, and a connecting assembly is mounted in the limiting clamping sleeve;

the connecting assembly comprises a spring seat connected with the main bearing frame, a conductive block connected with the guide block and a connecting clamp frame connected with the development board, wherein one side surface, away from the guide block, of the conductive block is connected with a clamping sleeve positioned in the sliding groove, the connecting clamp frame is positioned in the clamping sleeve and connected with the inner wall of the clamping sleeve, and one side surface, away from the connecting clamp frame, of the clamping sleeve is connected with a pushing block through the spring seat.

As an optimized scheme of the utility model, the cavity clamp splice is installed to the tip of conducting block, be equipped with the grip block that runs through cavity clamp splice and tip and cavity clamp splice inner wall connection in the cavity clamp splice, the promotion spring is installed to the inner wall of cavity clamp splice, the terminal surface and the grip block lug connection of promotion spring.

As a preferred scheme of the utility model, the conductive sleeve is including cup jointing the connection copper sheathing of leading electrical pillar lateral wall, the lateral wall of connecting the copper sheathing is connected with and draws the connection copper ring that the electricity pressed from both sides lug connection the both sides of connecting the copper ring all are provided with and are connected copper sheathing lug connection's protective sheath.

As a preferred scheme of the utility model, the push-top block is of a U-shaped structure.

As a preferred scheme of the utility model, the spring holder includes the spring barrel that tip and ejector pad are connected to and be located the spring barrel and bear the spacing post of being connected with the owner, spacing post with install the pull-back spring between the spring barrel.

The utility model discloses an embodiment has following advantage:

this equipment is provided with the bed frame and bears the frame with main, when fixed development board, only with a plurality of development boards respectively fix the bed frame with main bear the frame can, during its operation, directly make the connection card frame on the development board insert the centre gripping cutting ferrule can realize the purpose, even there is single development board to break down, also only with the development board of pulling out the damage, and need not spend a large amount of time to dismantle, later when connecing the electricity, only with making leading electrical pillar circular telegram, later bed frame and main bear the frame just can the circular telegram, thereby make a plurality of development boards circular telegram simultaneously, the condition of contact failure when can't connect the electricity or connect the electricity can not appear easily, and bed frame and main bear the frame with the form design of piling up, its area is less to carry more conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic top cross-sectional view of a main carrier according to an embodiment of the present invention.

In the figure:

1-base frame; 2-fixing the ferrule; 3-a conductive post; 4-a main carrier; 5-a conductive sleeve; 6-limiting clamping sleeve; 7-a guide block; 8-a connecting assembly;

501-connecting a copper sleeve; 502-connecting copper rings; 503-protective sheath;

601-a chute; 701-a power-down clip;

801-spring seat; 802-a conductive block; 803-connecting the card frame; 804-clamping the ferrule; 805-a top-pushing block; 806-hollow clamp blocks; 807-a clamping block; 808-a push spring; 809-a spring cartridge; 810-limiting columns; 811-pull back the spring.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

As shown in fig. 1, the utility model provides a support for a plurality of development board electrical connection, its pedestal 1 and the main frame 4 that bears through piling up the design enable a plurality of development boards can realize quick assembly disassembly's purpose, also can not occupy great area when a plurality of development boards are fixed simultaneously, after when connecing the electric operation again, only with make lead electrical pillar 3 circular telegram then a plurality of development boards just can be circular telegram simultaneously, its circular telegram quality is higher, and the condition of contact failure when still avoiding appearing certain development board and can't connect the electricity or connect the electricity.

As shown in fig. 1 and 2, the present embodiment includes a base frame 1, a fixing ferrule 2 connected to the base frame 1, and a conductive post 3 connected to the base frame 1 and located at two ends of the fixing ferrule 2, where the structure of the fixing ferrule 2 is the same as that of the position-limiting ferrule 6, that is, a guide block 7, a spring seat 801, and a connection assembly 8 are also installed in the fixing ferrule 2, and when the fixing ferrule 2 performs development board fixing operation, the steps are the same as those of installing a development board on the position-limiting ferrule 6; the end of the conductive column 3 is connected with the guide block 7 in the fixed cutting sleeve 2 in a sliding way, so that the base frame 1 can be electrified; the number of the main carrier frames 4 can be determined according to the length of the conductive posts 3 and the number of development boards, and the conductive posts 3 can simultaneously supply power to the base frame 1 and the main carrier frames 4.

In this embodiment, the end of the conductive column 3 away from the base frame 1 is connected with the wiring pin, so that when a user performs power-on operation, the user can perform power-on operation only by connecting a wire through the wiring pin.

Base frame 1's top is equipped with and leads the owner that electrical pillar 3 is connected to bear frame 4, the owner bears the both ends of frame 4 and leads electrical pillar 3 to correspond position department and all is connected with the conducting sheath 5, the owner bears the upper surface mounting of frame 4 has spacing cutting ferrule 6, install guide block 7 in the spacing cutting ferrule 6, the both ends of guide block 7 are all installed and are led electrical clamp 701 with being connected of conducting sheath 5 all seted up spout 601 on the spacing cutting ferrule 6, and are in install coupling assembling 8 in the spacing cutting ferrule 6.

When the development board carries out fixed operation, only with directly fix the development board through coupling assembling 8 can, later, in case need carry out the circular telegram operation, only need make conductive pillar 3 circular telegram, then conductive sleeve 5 just can get electric, conductive sleeve 5 that later got electric can make guide block 7 circular telegram, and conductive sleeve 5 that the circular telegram can carry out the electricity operation to the development board through coupling assembling 8.

The connecting assembly 8 comprises a spring seat 801 connected with the main bearing frame 4, a conductive block 802 connected with the guide block 7, and a connecting clamping frame 803 connected with the development board, the connecting clamping frame 803 is connected with the development board in many ways, and particularly, the connecting clamping frame 803 is preferably bonded with the development board or connected with the development board through screws, one side surface of the conductive block 802 far away from the guide block 7 is connected with a clamping sleeve 804 positioned in a sliding groove 601, the number of the clamping sleeve 804 can be two, the connecting clamping frame 803 is positioned in the clamping sleeve 804 and connected with the inner wall of the clamping sleeve 804, one side surface of the clamping sleeve 804 far away from the connecting clamping frame 803 is connected with an ejector block 805 through the spring seat 801, the ejector block 805 can be pulled by the spring seat 801, so that the clamping force exerted on the connecting clamping frame 803 by the clamping sleeve 804 is larger, the pushing block 805 is U-shaped, and the spring seat 801 can be provided with two spring seats respectively arranged at two ends of the pushing block 805, so that the pushing force applied by the pushing block 805 to the clamping sleeve 804 is relatively even, and the clamping sleeve 804 cannot be inclined.

When the development board is fixed by the connecting assembly 8, only the clamping sleeve 804 is shifted first, so that the two clamping sleeves 804 are opened (the spring seat 801 is compressed at the moment, namely the elasticity of the spring seat 801 is increased), then the connecting clamping frame 803 connected with the development board is clamped between the two clamping sleeves 804, at the moment, the spring seat 801 cannot reset because the clamping sleeve 804 is blocked by the connecting clamping frame 803, namely the ejector block 805 can push the clamping sleeve 804 to enable the clamping sleeve 804 to firmly clamp the connecting clamping frame 803.

Further, a hollow clamping block 806 is installed at an end of the conductive block 802, a clamping block 807 which penetrates through the hollow clamping block 806 and is connected with an inner wall of the hollow clamping block 806 is arranged in the hollow clamping block 806, a pushing spring 808 is installed on the inner wall of the hollow clamping block 806, an end face of the pushing spring 808 is directly connected with the clamping block 807, the clamping block 807 can be of an L-shaped structure and can clamp the connection card frame 803, so that the connection card frame 803 cannot easily slide out of the clamping card sleeve 804 (in order to enable the power-on quality between the clamping card sleeve 804 and the connection card frame 803 to be better, an isosceles trapezoid block can be installed on the inner wall of the clamping card sleeve 804, and the isosceles trapezoid block can be tightly attached to the connection card frame 803 after the connection card frame 803 is clamped into the clamping card sleeve.

When the card connecting frame 803 is clamped into the clamping sleeve 804, the clamping block 807 can be shifted, and then the card connecting frame 803 is clamped into the clamping sleeve 804, after the card connecting frame 803 is fully contacted with the clamping sleeve 804, the clamping block 807 can clamp the card connecting frame 803, so that the card connecting frame 803 cannot easily slide out of the clamping sleeve 804 (in order to prevent the card connecting frame 803 from easily sliding out, the clamping sleeve 804 can be closed at one end and has an L-shaped cross section).

As shown in fig. 1 and fig. 2, the conductive sleeve 5 includes a connecting copper sleeve 501 sleeved on the side wall of the conductive pillar 3, the side wall of the connecting copper sleeve 501 is connected with a connecting copper ring 502 directly connected to the lead clamp 701, and protective sleeves 503 directly connected to the connecting copper sleeve 501 are disposed on both sides of the connecting copper ring 502.

This conductive sleeve 5 can insert guide block 7 with the electricity that conductive pillar 3 lets in, the internal surface that should connect copper sheathing 501 simultaneously can set up the internal thread, and the lateral wall that leads conductive pillar 3 can set up the external screw thread that meshes with the internal thread of being connected copper sheathing 501, when a plurality of development boards are fixed, if the clearance between the adjacent development board is great, then only with rotatory conductive pillar 3, later connect copper sheathing 501 and can also move about from top to bottom along leading conductive pillar 3 lateral wall screw thread rotation simultaneously, and when connecting copper sheathing 501 and rotate, connect copper ring 502 and also can rotate, make the one end of main carrier frame 4 down simultaneously, later rotate a plurality of conductive pillar 3, make main carrier frame 4 and pedestal 1 parallel, the clearance between the adjacent development board is less simultaneously.

The spring seat 801 comprises a spring cylinder 809 and a limiting column 810, wherein the end part of the spring cylinder 809 is connected with the ejector block 805, the limiting column 810 is located in the spring cylinder 809 and is connected with the main bearing frame 4, and a pull-back spring 811 is installed between the limiting column 810 and the spring cylinder 809.

When the pushing block 805 is pushed, the pushing block 805 will move with the spring barrel 809, and when the spring barrel 809 moves, the gap between the limiting column 810 and the spring barrel 809 will increase, and at the same time, the pulling force of the retraction spring 811 will also increase, i.e. the elastic force of the retraction spring 811 will also increase, and the elastic force applied by the pushing block 805 to the clamping sleeve 804 will also increase, so that the connecting clamp holder 803 will not easily slide out.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The support for the electrical connection of the plurality of development boards is characterized by comprising a base frame (1) and conductive posts (3) connected to two ends of the base frame (1), wherein a main bearing frame (4) connected with the conductive posts (3) is arranged above the base frame (1), conductive sleeves (5) are connected to positions, corresponding to the conductive posts (3), of two ends of the main bearing frame (4), a limiting clamping sleeve (6) is arranged on the upper surface of the main bearing frame (4), a guide block (7) is arranged in the limiting clamping sleeve (6), electric conduction clamps (701) connected with the conductive sleeves (5) are arranged at two ends of the guide block (7), sliding grooves (601) are formed in the limiting clamping sleeve (6), and a connecting assembly (8) is arranged in the limiting clamping sleeve (6);

coupling assembling (8) include spring holder (801) be connected with main bearing frame (4), electrically conductive piece (802) be connected with guide block (7) to and the connection card frame (803) be connected with the development board, electrically conductive piece (802) keep away from one side surface of guide block (7) and be connected with centre gripping cutting ferrule (804) that are located spout (601), connection card frame (803) are located centre gripping cutting ferrule (804) and are connected with the inner wall of centre gripping cutting ferrule (804), one side surface that connection card frame (803) were kept away from in centre gripping cutting ferrule (804) is connected with ejector pad (805) through spring holder (801).

2. The bracket for the electrical connection of a plurality of development boards according to claim 1, wherein the end of the conductive block (802) is provided with a hollow clamping block (806), a clamping block (807) which penetrates through the hollow clamping block (806) and is connected with the inner wall of the hollow clamping block (806) at the end is arranged in the hollow clamping block (806), the inner wall of the hollow clamping block (806) is provided with a pushing spring (808), and the end surface of the pushing spring (808) is directly connected with the clamping block (807).

3. The bracket for the electrical connection of a plurality of development boards according to claim 1, wherein the conductive sleeve (5) comprises a connecting copper sleeve (501) sleeved on the side wall of the conductive column (3), the side wall of the connecting copper sleeve (501) is connected with a connecting copper ring (502) directly connected with the power conducting clip (701), and two sides of the connecting copper ring (502) are provided with protective sleeves (503) directly connected with the connecting copper sleeve (501).

4. A bracket for electrical connection of multiple development boards according to claim 1, wherein the push-top block (805) has a u-shaped structure.

5. The bracket for the electrical connection of a plurality of development boards according to claim 1, characterized in that the spring seat (801) comprises a spring barrel (809) with an end connected with the ejector block (805) and a limit post (810) located in the spring barrel (809) and connected with the main carrier (4), and a pull-back spring (811) is installed between the limit post (810) and the spring barrel (809).