CN217097403U - Fast mounting and fastening device for multiple circuit boards - Google Patents
Fast mounting and fastening device for multiple circuit boards Download PDFInfo
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- CN217097403U CN217097403U CN202220604622.5U CN202220604622U CN217097403U CN 217097403 U CN217097403 U CN 217097403U CN 202220604622 U CN202220604622 U CN 202220604622U CN 217097403 U CN217097403 U CN 217097403U
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Abstract
A multi-block circuit board quick mount fastening device comprising a fastening device clamp, the fastening device clamp comprising: the movable block and the fastening block are movably mounted on two end faces of the fastening seat through an inclined plane structure, and the fastening seat, the fastening block and the movable block are connected through a screw rod. When the clamping device is used, the fastening block and the movable block can synchronously ascend relative to the fastening seat by rotating the screw rod, so that the circuit board is clamped. The fast mounting and fastening device for the plurality of circuit boards provided by the utility model has simple structure and convenient use; the quick mounting and fastening device for the plurality of circuit boards can realize the dismounting and mounting of any layer of circuit board without dismounting other layers of circuit boards, and the dismounting and mounting operation is simple and convenient; the utility model provides a polylith circuit board installs fastener fast and comes into operation back, uses the utility model discloses the installation of circuit board can not increase the whole volume of controller in the controller to can effectively reduce circuit board installation dismantlement time.
Description
Technical Field
The utility model belongs to the technical field of circuit board fixed mounting tool equipment, more specifically say, in particular to fastener is installed fast to polylith circuit board.
Background
With the development of technology, automatic control is increasingly applied in the equipment manufacturing industry, and therefore, a controller with a plurality of circuit boards mounted inside is continuously applied.
At present, in the controllers (controllers with a plurality of circuit boards inside), the traditional fixing mode of the circuit boards inside the controllers is that support columns with different heights are designed inside the controllers, the circuit boards are fixed on the support columns through screws, and the installation positions of the circuit boards are layered through the different heights of the support columns, so that the plurality of circuit boards are installed in the controllers.
Although the installation mode can realize the layered installation of a plurality of circuit boards, in the process of installing the circuit boards by using the method, if the lower layer circuit board needs to be replaced or repaired, the circuit boards on the upper layers need to be removed. In addition, because each layer of circuit board is fixed by a plurality of screws, a plurality of screws need to be disassembled, time and labor are consumed, and certain difficulty is caused to the installation and debugging of the controller.
SUMMERY OF THE UTILITY MODEL
Problem (A)
In summary, how to provide a novel fastening device for quickly mounting circuit boards, which is used to reduce the complexity of the mounting operation of multiple circuit boards, is a problem that those skilled in the art need to solve urgently.
(II) technical scheme
The utility model provides a quick installation fastener of polylith circuit board, the utility model provides a quick installation fastener of polylith circuit board includes the fastener anchor clamps.
Specifically, the fastening device clamp includes:
the fastening seat comprises a bottom surface, a top surface and two end surfaces, the bottom surface is used for being connected with a circuit board, the two end surfaces are of smooth inclined surface structures, an included angle between each two end surfaces and the bottom surface is smaller than 90 degrees, an included angle between each two end surfaces and the top surface is larger than 90 degrees, a through hole is formed in the fastening seat, the through hole penetrates through the fastening seat, through hole openings are formed in the two end surfaces, and the through hole openings are of strip-shaped hole opening structures in the direction of the bottom surface pointing to the top surface;
the movable block is provided with a movable block inclined plane which is in sliding fit with the two end faces, the movable block is provided with an unthreaded hole which penetrates through the movable block and is arranged opposite to the through hole opening, and the unthreaded hole is of a circular hole structure;
the fastening block is provided with a diagonal plane matched with the two end faces in a sliding manner, the fastening block is provided with a threaded hole opposite to the through hole opening, and the movable block and the fastening block are respectively arranged on the two end faces of the fastening seat;
the cross section diameter of the screw is the same as that of the unthreaded hole, the screw can be in threaded connection with the threaded hole, the cross section diameter of the screw is smaller than the length of the through hole opening, and the screw sequentially penetrates through the movable block and the fastening seat from the unthreaded hole and the through hole to be in threaded connection with the threaded hole of the fastening block;
under the state that the screw rod is abutted to the upper end of the through hole, the upper side face of the movable block and the upper side face of the fastening block are positioned in the same plane and are higher than the top face of the fastening seat.
Preferably, in the device for rapidly mounting and fastening a plurality of circuit boards provided by the present invention, the fastening seat is an isosceles trapezoid block structure; the movable block and the fastening block are both wedge-shaped block structures.
Preferably, in the utility model provides a polylith circuit board installs fastener fast, the length of screw is greater than the perforating hole the unthreaded hole and the whole length of screw hole.
Preferably, in the utility model provides an among the polylith circuit board quick installation fastener, in the screw rod is close to the one end of movable block is provided with screw rod head pole, the head end of screw rod head pole is provided with cross type groove or a style of calligraphy groove.
Preferably, in the utility model provides an among the polylith circuit board quick installation fastener, the bottom surface of fastening seat is planar structure, in the bottom surface of fastening seat is provided with the bolt hole.
Preferably, in the fastening device for rapidly mounting a plurality of circuit boards provided by the present invention, the fastening seat is made of metal, and the fastening seat is of an integrated structure; the movable block is made of metal and is of an integrated structure; the fastening block is made of metal and is of an integrated structure.
Preferably, the quick mounting and fastening device for multiple circuit boards provided by the present invention further comprises a mounting bracket for mounting to a controller, wherein the mounting bracket comprises two mounting bracket units, the two mounting bracket units are arranged at intervals, the opposite sides of the mounting bracket units are provided with square notches, and the square notches arranged on the two mounting bracket units are arranged in pairs; the two ends of the same circuit board are respectively provided with one fastening device clamp, and the circuit board is clamped in the square notch through the fastening device clamps to be fixedly installed on the installation frame.
Preferably, in the utility model provides an among the polylith circuit board quick installation fastener, in be provided with in the square notch can with the movable block and the fastening roof that the top surface of fastening block offseted.
Preferably, in the multi-block circuit board quick-mounting fastening device provided by the utility model, corresponding to each install in the circuit board on the mounting bracket all is provided with at least one pull rod for pulling out the circuit board.
Preferably, in the utility model provides a polylith circuit board quick installation fastener, the fastening roof is a monoblock stereoplasm structural slab.
(III) advantageous effects
The utility model provides a quick installation fastener of polylith circuit board, specifically, this quick installation fastener of polylith circuit board includes the fastener anchor clamps, and the fastener anchor clamps include: the fastening seat comprises a bottom surface, a top surface and two end surfaces, the bottom surface is used for being connected with the circuit board, the two end surfaces are of a smooth inclined surface structure, the included angle between the two end surfaces and the bottom surface is smaller than 90 degrees, the included angle between the two end surfaces and the top surface is larger than 90 degrees, a through hole is formed in the fastening seat, the through hole penetrates through the fastening seat, through hole openings are formed in the two end surfaces, and the through hole openings are of strip-shaped hole opening structures in the direction of the bottom surface pointing to the top surface; the movable block is provided with a movable block inclined plane which is in sliding fit with the two end faces, the movable block is provided with a light hole which penetrates through the movable block and is arranged opposite to the through hole opening, and the light hole is of a circular hole structure; the movable block and the fastening block are respectively arranged on the two end surfaces of the fastening seat; the cross section diameter of the screw is the same as that of the unthreaded hole, the screw can be in threaded connection with the threaded hole, the cross section diameter of the screw is smaller than the length of the through hole, and the screw sequentially penetrates through the movable block, the fastening seat and the threaded hole of the fastening block from the unthreaded hole and the through hole to be in threaded connection; under the state that the screw rod is abutted against the upper end of the through hole, the upper side surface of the movable block and the upper side surface of the fastening block are positioned in the same plane and are higher than the top surface of the fastening seat.
Through the structure design, the beneficial effects of the utility model are as follows:
1. the fast mounting and fastening device for the plurality of circuit boards provided by the utility model has simple structure and convenient use;
2. the fast installation and fastening device for the plurality of circuit boards provided by the utility model has the advantages of convenient and fast installation and reliable use;
3. the quick mounting and fastening device for the plurality of circuit boards can realize the dismounting and mounting of any layer of circuit board without dismounting other layers of circuit boards, and the dismounting and mounting operation is simple and convenient;
4. the utility model provides a polylith circuit board installs fastener fast and uses after the input of use the utility model discloses the whole volume that can not increase the controller is installed to circuit board in the controller to can effectively reduce circuit board installation dismantlement time.
Drawings
Fig. 1 is a schematic structural view of a clamp of a fastening device according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a clamp of a fastening device in an embodiment of the present invention;
FIG. 3 is a schematic structural view of the fastening device of the embodiment of the present invention after the movable block and the fastening block of the clamp protrude;
FIG. 4 is a cross-sectional view of the fastening device of the embodiment of the present invention after the movable block and the fastening block of the clamp protrude;
FIG. 5 is a schematic view of the embodiment of the present invention illustrating the fastening device clip mounted on the circuit board;
fig. 6 is a schematic structural view illustrating the mounting plate being mounted on the mounting frame by the fastening device.
In fig. 1 to 6, the correspondence between the part names and the reference numerals is:
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In addition, in the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention and does not require that the present invention must be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 6, fig. 1 is a schematic structural view of a fastening device clamp according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of a clamp of a fastening device in an embodiment of the present invention; FIG. 3 is a schematic structural view of the fastening device of the embodiment of the present invention after the movable block and the fastening block of the clamp protrude; FIG. 4 is a cross-sectional view of the fastening device of the embodiment of the present invention after the movable block and the fastening block of the clamp protrude; FIG. 5 is a schematic view of the embodiment of the present invention illustrating the fastening device clip mounted on the circuit board; fig. 6 is a schematic structural view illustrating the mounting plate being mounted on the mounting frame by the fastening device.
The utility model provides a fastener is installed fast to polylith circuit board, this fastener is installed fast to polylith circuit board includes the fastener anchor clamps, and the fastener anchor clamps are used for the structure of fixed mounting on circuit board 8, and it is fixed to realize the installation of circuit board 8 on the controller through the fastener anchor clamps. For the circuit board 8, the circuit board 8 is laid flat, the bottom surface of the circuit board 8 is fixedly provided with a circuit board back plate 9 through a bolt 10, the fastening device clamp is arranged on the upper side surface of the circuit board 8, and the bolt 10 can be in threaded connection with the fastening device clamp after penetrating through the circuit board back plate 9 and the circuit board 8, so that the fastening device clamp, the circuit board 8 and the circuit board back plate 9 are fixedly connected.
The utility model discloses in, fastener anchor clamps include following component structure:
structure one, fastening seat 1.
The fastening seat 1 is connected with the circuit board 8 and used for installing the movable block 2 and the fastening block 3, the fastening seat 1 can be fixed relative to the circuit board 8 after being connected with the circuit board 8, and the movable block 2 and the fastening block 3 can move relative to the fastening seat 1 in the direction departing from the circuit board 8, so that the circuit board 8 can be clamped and fixed on the controller.
Specifically, the fastening seat 1 includes a bottom surface, a top surface, and two end surfaces (including a front side surface and a rear side surface, since the utility model discloses do not use the front and rear side surfaces of the fastening seat 1, do not carry out structural description to the front side surface and the rear side surface of the fastening seat 1). The bottom surface of the fastening seat 1 is of a planar structure, the bottom surface of the fastening seat 1 is used for abutting against the circuit board 8, and then a bolt 10 which is in threaded connection with the bottom surface of the fastening seat 1 is arranged by penetrating through the circuit board back plate 9 and the circuit board 8, so that the fastening seat 1, the circuit board 8 and the circuit board back plate 9 are fixedly connected.
The utility model discloses in, the both ends face of fastening seat 1 is level and smooth inclined plane structure, and the contained angle between both ends face and the bottom surface is the same and is less than 90, and the contained angle between both ends face and the top surface is the same and is greater than 90. The utility model discloses an in the embodiment, fastening seat 1 is isosceles trapezoid block structure, and two "waists" of fastening seat 1 are both ends face promptly, and the last side of fastening seat 1 (compare in the downside area less) is the top surface, and the downside of fastening seat 1 is the bottom surface, and the bottom surface of fastening seat 1 offsets with circuit board 8 and is connected. Specifically, the top surface and the bottom surface of the fastening seat 1 are both planar structures.
The fastening seat 1 is provided with a through hole which is in a long straight line hole structure, and the through hole is in an elliptical hole structure on the cross section perpendicular to the axis of the through hole. The through hole penetrates through the fastening seat 1 and is provided with through hole openings on two end faces, and the through hole openings are of strip-shaped hole opening structures in the direction of the bottom face pointing to the top face. Due to the structural design of the through hole, when one threaded rod is provided in the through hole, the threaded rod can move up and down in the height direction (in the direction from the bottom surface to the top surface).
Structure two, movable block 2 and fastening block 3.
The movable block 2 and the fastening block 3 are structural members respectively provided on both end surfaces of the fastening base 1, and the movable block 2 and the fastening block 3 can move synchronously with respect to the fastening base 1 (synchronously move up or synchronously move down with respect to the fastening base 1).
In the present invention, the movable block 2 and the fastening block 3 have the same outer configuration and structural dimensions.
Specifically, the movable block 2 is provided with a movable block inclined plane which is in sliding fit with two end faces, the movable block 2 is provided with a light hole which penetrates through the movable block 2 and is arranged opposite to a through hole opening, and the light hole is of a circular hole structure; the fastening block 3 is provided with a diagonal plane of the fastening block which is in sliding fit with the two end surfaces, the fastening block 3 is provided with a threaded hole which is opposite to the through hole opening, and the movable block 2 and the fastening block 3 are respectively arranged on the two end surfaces of the fastening seat 1.
Further, the movable block 2 and the fastening block 3 are both wedge-shaped block structures (same structure size).
The movable block 2 and the fastening block 3 are in sliding contact with two end faces of the fastening seat 1 through the inclined plane structures of the movable block 2 and the fastening block 3, and when the movable block 2 and the fastening block 3 simultaneously receive clamping acting force towards the fastening seat 1, the movable block and the fastening block can slide upwards along the two end faces of the fastening seat 1. When the screw 4 is in contact with the upper end of the through hole, the upper side of the movable block 2 and the upper side of the fastening block 3 are located on the same plane and higher than the top surface of the fastening seat 1.
Structure three, screw rod 4.
As can be seen from the above structure, the movable block 2 and the fastening block 3 can move up and down with respect to the fastening base 1 when they are simultaneously subjected to the clamping force in the direction toward the fastening base 1. In order to realize the synchronous action of the movable block 2 and the fastening block 3, the utility model discloses a screw rod 4 with external thread structure has been set up. Specifically, the cross section diameter of the screw rod 4 is the same as the diameter of the unthreaded hole, the screw rod 4 can be in threaded connection with the threaded hole, the cross section diameter of the screw rod 4 is smaller than the length of the through hole, and the screw rod 4 sequentially penetrates through the threaded holes of the movable block 2, the fastening seat 1 and the fastening block 3 from the unthreaded hole and the through hole to be in threaded connection.
The screw 4 needs to penetrate the movable block 2 and the fastening seat 1 to be connected to the fastening block 3, and therefore the length of the screw 4 is greater than the entire length of the through hole, the unthreaded hole, and the threaded hole (so that the screw 4 can penetrate the movable block 2, the fastening seat 1, and the fastening block 3).
For rotating the screw rod 4 conveniently, the utility model discloses be provided with 4 first poles of screw rod in the one end that the screw rod 4 is close to movable block 2, the head end of 4 first poles of screw rod is provided with cross type groove or a style of calligraphy groove.
In the utility model, the fastening seat 1 is made of metal, preferably stainless steel or aluminum profile, and the fastening seat 1 is of an integrated structure; the movable block 2 is made of metal, preferably stainless steel or aluminum profile, and the movable block 2 is of an integrated structure; the material of the fastening block 3 is metal, preferably stainless steel or aluminum profile, and the fastening block 3 is of an integral structure.
Of course, the fastening base 1, the movable block 2 and the fastening block 3 can also be made of a polymer material, such as an ABS material, or a PP material. The fastening seat 1, the movable block 2 and the fastening block 3 are of an integrated structure.
According to the above, the utility model discloses on setting up circuit board 8 with fastening seat 1 is fixed, make movable block 2 and fastening block 3 can be for fastening seat 1 upward movement through rotatory screw rod 4, this structure is applied to the groove structure in, can realize that circuit board 8 is fixed in the chucking of groove structure.
Specifically, in order to make the circuit board 8 can be installed on the controller through the above-mentioned fastener clamp, the utility model discloses still provide the mounting bracket 5 for installing on the controller very much, the mounting bracket 5 is including two mounting bracket units (the mounting bracket unit passes through bolt 10 to be fixed to the controller), and two mounting bracket unit intervals set up, are provided with square notch on the relative side of mounting bracket unit, and the square notch that sets up on two mounting bracket units sets up in pairs. Two ends of the same circuit board 8 are respectively provided with a fastening device clamp, and the circuit board 8 is clamped in the square notch through the fastening device clamps to be fixedly installed on the installation frame 5.
Specifically, a fastening top plate 6 which can be abutted against the top surfaces of the movable block 2 and the fastening block 3 is arranged in the square notch.
The circuit board 8 is provided with a fastening device clamp and clamped on the mounting frame 5 through the fastening device clamp, a plug-in structure (similar to a drawer) is formed between the circuit board 8 and the mounting frame 5, and in order to facilitate the circuit board 8 to be taken out of the mounting frame 5, at least one pull rod 7 for pulling out the circuit board 8 is arranged corresponding to each circuit board 8 arranged on the mounting frame 5.
The utility model discloses corresponding circuit board 8 has still set up fastening roof 6, and fastening roof 6 is a monoblock stereoplasm structure panel.
The utility model provides a polylith circuit board installs fastener fast is including fastening seat 1, movable block 2, fastening block 3 and screw rod 4. Wherein, the both ends of fastening seat 1 are designed with the inclined plane (be used for with activity piece 2 and the cooperation of fastening block 3 inclined plane), the axial design unthreaded hole structure of fastening seat 1 (preferably, the unthreaded hole sets up with fastening seat 1 is coaxial). One end of the movable block 2 is designed with an inclined plane (matched with the inclined plane at one end of the fastening seat 1), and the movable block 2 is provided with a unthreaded hole structure for the screw rod 4 to pass through. The one end of fastening block 3 is designed with the inclined plane (with the cooperation of fastening seat 1 other end inclined plane), is provided with screw hole structure on the fastening block 3 for threaded connection is realized with screw rod 4 after screw rod 4 passes. Inclined planes at the left end and the right end of the fastening seat 1 are respectively matched and assembled with the inclined planes of the movable block 2 and the fastening block 3, and the screw rod 4 sequentially penetrates through the movable block 2 and the fastening seat 1 from the plane end of the movable block 2 and is screwed into a threaded hole of the fastening block 3.
After the movable block 2 and the fastening block 3 are mounted on the fastening base 1 through the screw rod 4, the screw rod 4 is screwed by using a tool, and under the action of a screwing force, the movable block 2 and the fastening block 3 slide upwards along the inclined planes at the two ends of the fastening base 1 until the screw rod 4 is pushed to the upper surface of the inner smooth hole of the fastening base 1.
Will the utility model discloses install on circuit board 8. Specifically, fix circuit board backplate 9 (circuit board backplate 9 sets up the downside at circuit board 8) on circuit board 8 through connecting screw (connecting screw passes circuit board backplate 9 by the bottom surface after is connected with circuit board 8) will the utility model discloses whole mounting is to the 8 another sides of circuit board (the side of going up of circuit board 8) to twist connecting screw into fastening seat 1 and correspond the threaded hole, thereby will the utility model provides a quick installation fastener of polylith circuit board links together with circuit board 8.
A plurality of circuit boards 8 are mounted in layers within the controller. Specifically, the mounting bracket 5 is fixed on both sides of the controller, the mounting bracket 5 is provided with at least two mounting bracket units arranged oppositely (two mounting bracket units are arranged at intervals), and the opposite sides of the two mounting bracket units are provided with square notch structures, and each pair of square notch structures is used for installing one circuit board 8. The fast mounting and fastening devices for a plurality of circuit boards provided by the utility model are mounted on the two side edges of the circuit board 8 (one fast mounting and fastening device for a plurality of circuit boards is arranged on each side edge of the circuit board 8), then a fastening top plate 6 is covered above the circuit board 8 (the circuit board rapid installation fastening device provided by the utility model is clamped between the fastening top plate 6 and the circuit board 8), then the fastening top plate 6 and the circuit board 8 provided with the circuit board rapid installation fastening device are pushed into a pair of square notches integrally, then, a tool is used for screwing the screw rod 4 to enable the movable block 2 and the fastening block 3 to slide along the inclined plane of the fastening seat 1 to be jacked onto the fastening top plate 6, so that the fastening top plate 6 and the circuit board 8 with the backboard are respectively jacked on the upper surface and the lower surface of the square notch, and therefore the circuit board 8 is fixedly installed on the installation frame 5. The remaining circuit boards 8 are mounted in the controller in sequence according to the mounting method described above.
When circuit board 8 is dismantled to needs, twist in the opposite direction and move screw rod 4, make movable block 2 and fastening block 3 be in the state of relaxing, fastening roof 6 no longer receives the tight power of top with the circuit board 8 of dress backplate, can remove in the square groove, and pulling pull rod 7 pulls out the circuit board 8 of dress backplate from the square groove, accomplishes circuit board 8 and dismantles.
In view of the above, the utility model provides a fastener is installed fast to polylith circuit board, specifically, this fastener is installed fast to polylith circuit board includes the fastener anchor clamps, and the fastener anchor clamps include: the fastening seat 1 comprises a bottom surface, a top surface and two end surfaces, wherein the bottom surface is used for being connected with the circuit board 8, the two end surfaces are of smooth inclined surface structures, the included angle between the two end surfaces and the bottom surface is smaller than 90 degrees, the included angle between the two end surfaces and the top surface is larger than 90 degrees, a through hole is formed in the fastening seat 1, the through hole penetrates through the fastening seat 1, through hole openings are formed in the two end surfaces, and the through hole openings are of strip-shaped hole opening structures in the direction of the bottom surface pointing to the top surface; the movable block 2 is provided with a movable block inclined plane which is in sliding fit with two end faces, the movable block 2 is provided with a light hole which penetrates through the movable block 2 and is arranged opposite to a through hole opening, and the light hole is of a circular hole structure; the fixing block 3 is provided with a diagonal plane of the fixing block which is in sliding fit with two end faces, the fixing block 3 is provided with a threaded hole which is opposite to the through hole, and the movable block 2 and the fixing block 3 are respectively arranged on the two end faces of the fixing seat 1; the cross section diameter of the screw rod 4 is the same as that of the unthreaded hole, the screw rod 4 can be in threaded connection with the threaded hole, the cross section diameter of the screw rod 4 is smaller than the length of the through hole opening, and the screw rod 4 sequentially penetrates through the movable block 2, the fastening seat 1 and the threaded hole of the fastening block 3 from the unthreaded hole and the through hole to be in threaded connection; when the screw 4 is in contact with the upper end of the through hole, the upper side of the movable block 2 and the upper side of the fastening block 3 are located on the same plane and higher than the top surface of the fastening base 1.
The utility model discloses a polylith circuit board installs fastener fast uses the device can realize polylith circuit board 8 layering quick installation, dismantlement in the controller. The utility model provides a technical scheme that its technical problem adopted is: a plurality of square grooves for installation are designed on the two side faces in the controller, the circuit board 8 is pushed into the square grooves from the opening ends of the square grooves, the fastening devices installed on the circuit board 8 are screwed, and the circuit board 8 is tightly jacked on the bottom faces of the square grooves. When the circuit board 8 is replaced, the fastening device is unscrewed to draw out the circuit board 8.
Through the structure design, the beneficial effects of the utility model are as follows:
1. the fast mounting and fastening device for the plurality of circuit boards provided by the utility model has simple structure and convenient use;
2. the fast installation and fastening device for the plurality of circuit boards provided by the utility model has the advantages of convenient and fast installation and reliable use;
3. the quick mounting and fastening device for the plurality of circuit boards provided by the utility model can realize the dismounting and mounting of any layer of circuit board 8, does not need to dismount other layers of circuit boards 8, and has simple and convenient dismounting operation;
4. the utility model provides a polylith circuit board installs fastener fast and comes into operation back, uses the utility model discloses the whole volume that can not increase the controller is installed to circuit board 8 in the controller to 8 installation dismantlement time of circuit board can effectively be reduced.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. A fast mounting and fastening device for a plurality of circuit boards is characterized in that,
including the fastener anchor clamps, the fastener anchor clamps include:
the fastening seat (1) comprises a bottom surface, a top surface and two end surfaces, wherein the bottom surface is used for being connected with a circuit board, the two end surfaces are of smooth inclined surface structures, an included angle between each two end surfaces and the bottom surface is smaller than 90 degrees, an included angle between each two end surfaces and the top surface is larger than 90 degrees, a through hole is formed in the fastening seat, the through hole penetrates through the fastening seat, through hole openings are formed in the two end surfaces, and the through hole openings are of strip-shaped hole opening structures in the direction of the bottom surface pointing to the top surface;
the movable block (2) is provided with a movable block inclined plane which is in sliding fit with the two end faces, the movable block is provided with an unthreaded hole which penetrates through the movable block and is arranged opposite to the through hole opening, and the unthreaded hole is of a circular hole structure;
the fastening block (3) is provided with a fastening block inclined plane which is in sliding fit with the two end faces, the fastening block is provided with a threaded hole which is opposite to the through hole opening, and the movable block and the fastening block are respectively arranged on the two end faces of the fastening seat;
the cross section diameter of the screw rod is the same as that of the unthreaded hole, the screw rod can be in threaded connection with the threaded hole, the cross section diameter of the screw rod is smaller than the length of the through hole opening, and the screw rod sequentially penetrates through the movable block and the fastening seat from the unthreaded hole and the through hole to be in threaded connection with the threaded hole of the fastening block;
under the state that the screw rod is propped against the upper end of the through hole, the upper side face of the movable block and the upper side face of the fastening block are positioned in the same plane and are higher than the top face of the fastening seat.
2. The multiple circuit board quick mount fastening device of claim 1,
the fastening seat is of an isosceles trapezoid block structure;
the movable block and the fastening block are both wedge-shaped block structures.
3. The multiple circuit board quick mount fastening device of claim 1,
the length of the screw rod is greater than the whole length of the through hole, the unthreaded hole and the threaded hole.
4. The multiple circuit board quick mount fastening device of claim 1,
a screw rod head rod is arranged at one end, close to the movable block, of the screw rod, and a cross-shaped groove or a straight-shaped groove is formed in the head end of the screw rod head rod.
5. The multiple circuit board quick mount fastening device of claim 1,
the bottom surface of the fastening seat is of a plane structure, and a bolt hole is formed in the bottom surface of the fastening seat.
6. The multiple circuit board quick mount fastening device of claim 1,
the fastening seat is made of metal and is of an integrated structure;
the movable block is made of metal and is of an integrated structure;
the fastening block is made of metal and is of an integrated structure.
7. The multiple circuit board quick mount fastening device of claim 1,
the mounting rack is characterized by further comprising a mounting rack (5) used for being mounted on the controller, the mounting rack comprises two mounting rack units, the two mounting rack units are arranged at intervals, square notches are formed in the opposite side faces of the mounting rack units, and the square notches formed in the two mounting rack units are arranged in pairs;
the two ends of the same circuit board are respectively provided with one fastening device clamp, and the circuit board is clamped in the square notch through the fastening device clamps to be fixedly installed on the installation frame.
8. The multiple circuit board quick mount fastening device of claim 7,
a fastening top plate (6) which can be abutted against the movable block and the top surface of the fastening block is arranged in the square notch.
9. The multiple circuit board quick mount fastening device of claim 7,
at least one pull rod (7) for pulling out the circuit board is arranged corresponding to each circuit board arranged on the mounting rack.
10. The multiple circuit board quick mount fastening device of claim 8,
the fastening top plate (6) is a whole hard structural plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220604622.5U CN217097403U (en) | 2022-03-18 | 2022-03-18 | Fast mounting and fastening device for multiple circuit boards |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220604622.5U CN217097403U (en) | 2022-03-18 | 2022-03-18 | Fast mounting and fastening device for multiple circuit boards |
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| CN217097403U true CN217097403U (en) | 2022-08-02 |
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| CN202220604622.5U Active CN217097403U (en) | 2022-03-18 | 2022-03-18 | Fast mounting and fastening device for multiple circuit boards |
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