CN212344148U - Special impact-resistant fastener for pcb (printed circuit board) - Google Patents
Special impact-resistant fastener for pcb (printed circuit board) Download PDFInfo
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- CN212344148U CN212344148U CN202021235228.6U CN202021235228U CN212344148U CN 212344148 U CN212344148 U CN 212344148U CN 202021235228 U CN202021235228 U CN 202021235228U CN 212344148 U CN212344148 U CN 212344148U
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- circuit board
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Abstract
The utility model discloses a special impact-resistant fastener for pcb circuit boards, which comprises a circuit board main body, a component main body and a fastener assembly, wherein the fastener assembly comprises two screws, two nuts and two impact-resistant buffering devices, each impact-resistant buffering device comprises two plates and two round rods arranged between the two plates, two spring grooves are formed in the plates, and an inner sliding block and a cylindrical spring are arranged in each spring groove; through setting up the fastener subassembly of constituteing by two screws, two nuts and two buffer that shocks resistance for the surface at the circuit board main part is installed that components and parts main part can be firm, and can play good buffering effect that shocks resistance to components and parts main part under the effect of arc elastic plate, improves subsequent stability in use, has solved the problem that the impact force that produces when the circuit board main part received the collision among the former device can cause the damage to components and parts main part.
Description
Technical Field
The utility model belongs to the technical field of the circuit board fastener, concretely relates to special impact force resistant's of pcb circuit board fastener.
Background
The pcb is also called as a printed circuit board, which is a provider for electrical connection of electronic components, and many electronic components are required to be mounted on the pcb, and the electronic components are mounted by fasteners special for the pcb, and conventional fasteners special for the pcb are screws and nuts.
When the existing special fastener for the pcb circuit board is used, a screw needs to penetrate through the component main body and the circuit board main body, and then the screw is fixed by the nut.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fastener that special impact resistance of pcb circuit board is strong to current special fastener of pcb circuit board that proposes in solving above-mentioned background art need run through components and parts main part and circuit board main part with the screw when using, then the reuse nut is fixed, this kind of mounting means is because components and parts main part and circuit board main part do not set up any buffer that shocks resistance, the impact force that leads to the follow-up production when receiving the collision of circuit board main part can cause certain damage to components and parts main part, there is the drawback problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special impact strength's of pcb circuit board fastener, includes circuit board main part, components and parts main part and fastener assembly, fastener assembly includes two screws, two nuts and two buffer that shocks resistance, buffer that shocks resistance includes two plates and sets up two round bars between two plates, two spring grooves have been seted up to the inside of plate, and the inside in spring groove is provided with interior slider and tube-shape spring, the tip and the interior slider of round bar are fixed, the top surface of plate is provided with the arc elastic plate.
Preferably, the bottom end of the screw is provided with a protection device, and the protection device comprises an inner hexagonal sleeve clamped on the surface of the nut.
Preferably, the hexagonal groove matched with the nut is formed in the inner hexagonal sleeve, and the inner hexagonal sleeve is an elastic member.
Preferably, the inner wall of the inner hexagonal sleeve is symmetrically provided with two integrated arc-shaped protrusions, and the surface of the nut is provided with a plurality of connecting clamping grooves corresponding to the arc-shaped protrusions.
Preferably, the bottom surface of the component main body is provided with a positioning groove corresponding to the shock-resistant buffer device, and the surfaces of the plate, the circuit board main body and the component main body are provided with screw holes corresponding to the screws.
Preferably, the top surface of the component main body is provided with two elastic gaskets, and the elastic gaskets are sleeved on the top end surface of the screw.
Preferably, the top surface of the component main body and the top surface of the screw are both provided with annular pad grooves corresponding to the elastic gaskets, and the elastic gaskets are elastic members.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up by two screws, the fastener subassembly that two nuts and two buffer that shocks resistance constitute, make installing in the surface of circuit board main part that components and parts main part can be firm, and can play good shock-resistant cushioning effect to components and parts main part under the effect of arc elastic plate, improve subsequent stability in use, the problem that the impact force that produces when having solved former device circuit board main part and receiving the collision can cause the damage to components and parts main part, buffer's that shocks resistance width can carry out nimble adjustment according to the installation condition of reality simultaneously.
2. Through the hexagon socket cover, the arc is protruding and connect the draw-in groove that set up for fastener assembly installs the back that finishes, and operating personnel can block the surface at the nut with hexagon socket cover, thereby plays good guard action to the bottom of nut and screw, avoids the nut to bump and appear circling round because of external object's wiping, thereby further improves fastener assembly's stability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the shock absorbing device of the present invention;
FIG. 3 is a top cross-sectional view of the impact damper of the present invention;
FIG. 4 is an enlarged view of a portion of the area C of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of a portion of the area A of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of a portion of the area D in FIG. 5 according to the present invention;
fig. 7 is a partial enlarged view of the area B in fig. 1 according to embodiment 2 of the present invention;
fig. 8 is a partial enlarged view of the area E in fig. 7 according to embodiment 2 of the present invention;
fig. 9 is a top view of the hexagonal socket according to embodiment 2 of the present invention;
in the figure: 1. a circuit board main body; 2. a screw; 3. a component main body; 4. an arc-shaped elastic plate; 5. a plate member; 6. an inner hexagonal sleeve; 7. a nut; 8. a round bar; 9. a spring slot; 10. an inner slide block; 11. a cylindrical spring; 12. an elastic washer; 13. an annular gasket groove; 14. an arc-shaped bulge; 15. and is connected with the clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Example 1
Referring to fig. 1 to 6, the present invention provides a technical solution: a special impact-resistant fastener for pcb (printed circuit board) comprises a circuit board main body 1, a component main body 3 and a fastener assembly, wherein the fastener assembly comprises two screws 2, two nuts 7 and two impact-resistant buffering devices, each impact-resistant buffering device comprises two plates 5 and two round rods 8 arranged between the two plates 5, two spring grooves 9 are formed in the plates 5, inner sliders 10 and tubular springs 11 are arranged in the spring grooves 9, the end parts of the round rods 8 are fixedly welded with the inner sliders 10, the tubular springs 11 are sleeved on the end surfaces of the round rods 8, the width of each impact-resistant buffering device can be flexibly adjusted according to actual installation conditions, an integrated arc-shaped elastic plate 4 is arranged on the top surface of each plate 5, the plates 5 and the arc-shaped elastic plates 4 are both made of spring steel materials, and the arc-shaped elastic plates 4 can elastically deform when being extruded, thereby having good impact-resistant buffering effect on the component main body 3.
In this embodiment, preferably, the bottom surface of the component main body 3 is provided with a positioning groove corresponding to the impact-resistant buffer device, so that the impact-resistant buffer device can be easily mounted, and the surfaces of the plate 5, the circuit board main body 1 and the component main body 3 are provided with screw holes corresponding to the screws 2.
In this embodiment, preferably, two elastic gaskets 12 are disposed on the top surface of the component main body 3, and the elastic gaskets 12 are sleeved on the top end surfaces of the screws 2, so that the top ends of the screws 2 can be prevented from damaging the top surface of the component main body 3.
In this embodiment, preferably, the top surface of the component main body 3 and the top surface of the screw 2 are both provided with an annular pad groove 13 corresponding to the elastic gasket 12, and the elastic gasket 12 is an elastic member, where the elastic member is specifically rubber.
Example 2
Referring to fig. 1 to 9, the present invention provides a technical solution: a special impact-resistant fastener for pcb (printed circuit board) comprises a circuit board main body 1, a component main body 3 and a fastener assembly, wherein the fastener assembly comprises two screws 2, two nuts 7 and two impact-resistant buffering devices, each impact-resistant buffering device comprises two plates 5 and two round rods 8 arranged between the two plates 5, two spring grooves 9 are formed in the plates 5, inner sliders 10 and tubular springs 11 are arranged in the spring grooves 9, the end parts of the round rods 8 are fixedly welded with the inner sliders 10, the tubular springs 11 are sleeved on the end surfaces of the round rods 8, the width of each impact-resistant buffering device can be flexibly adjusted according to actual installation conditions, an integrated arc-shaped elastic plate 4 is arranged on the top surface of each plate 5, the plates 5 and the arc-shaped elastic plates 4 are both made of spring steel materials, and the arc-shaped elastic plates 4 can elastically deform when being extruded, thereby having good impact-resistant buffering effect on the component main body 3.
In this embodiment, preferably, the bottom end of the screw 2 is provided with a protection device, and the protection device includes an inner hexagonal sleeve 6 clamped on the surface of the nut 7, so that the bottom ends of the nut 7 and the screw 2 can be well protected.
In this embodiment, it is preferable that a hexagonal groove adapted to the nut 7 is formed inside the inner hexagonal sleeve 6, and the inner hexagonal sleeve 6 is an elastic member, where the elastic member is specifically rubber.
In this embodiment, preferably, the inner wall of the inner hexagonal sleeve 6 is symmetrically provided with two integral arc protrusions 14, each arc protrusion 14 is a rubber member, and the surface of the nut 7 is provided with a plurality of connecting clamping grooves 15 corresponding to the arc protrusions 14, so that the inner hexagonal sleeve 6 can be smoothly clamped on the surface of the nut 7, and the inner hexagonal sleeve 6 is easy to mount.
In this embodiment, preferably, the bottom surface of the component main body 3 is provided with a positioning groove corresponding to the impact-resistant buffer device, so that the impact-resistant buffer device can be easily mounted, and the surfaces of the plate 5, the circuit board main body 1 and the component main body 3 are provided with screw holes corresponding to the screws 2.
In this embodiment, preferably, two elastic gaskets 12 are disposed on the top surface of the component main body 3, and the elastic gaskets 12 are sleeved on the top end surfaces of the screws 2, so that the top ends of the screws 2 can be prevented from damaging the top surface of the component main body 3.
In this embodiment, preferably, the top surface of the component main body 3 and the top surface of the screw 2 are both provided with an annular pad groove 13 corresponding to the elastic gasket 12, and the elastic gasket 12 is an elastic member, where the elastic member is specifically rubber.
The utility model discloses a theory of operation and use flow: when the component main body 3 needs to be installed through the fastener assembly, one of the impact-resistant buffer devices is firstly placed in a positioning groove at the bottom of the component main body 3, then the elastic washer 12 is sleeved on the top end surface of the screw 2, the two screws 2 sequentially penetrate through the component main body 3, the impact-resistant buffer device and the circuit board main body 1, so that the bottom end of the screw 2 can penetrate through the bottom of the circuit board main body 1, then the other impact-resistant buffer device is placed at the bottom of the circuit board main body 1, so that the bottom end of the screw 2 can penetrate through the plate 5, finally the nut 7 is sleeved on the bottom end surface of the screw 2 and is screwed in a rotating manner, so that the arc-shaped elastic plate 4 is elastically deformed and is tightly attached to the circuit board main body 1, the installation of the fastener assembly can be completed, and the component main body, the impact force generated when the circuit board main body 1 is collided subsequently can be effectively buffered under the action of the arc-shaped elastic plate 4, thereby ensuring that the fastener assembly has good impact-resistant buffer function, ensuring the use stability of the component main body 3 after installation, solving the problem that the component main body 3 is damaged by impact force generated when the circuit board main body 1 is collided in the original device, when the width of the impact resistance buffer device needs to be elongated, only two plates 5 need to be pulled in two directions respectively, so that the inner slide block 10 is pulled to the top end of the spring groove 9, the cylindrical spring 11 is gradually compressed, the two plates 5 can be smoothly pulled apart, the distance between the two plates 5 is enlarged, the impact-resistant buffer device can be smoothly elongated, the impact-resistant buffer device is suitable for different installation environments, and the use flexibility of the impact-resistant buffer device is improved;
after the installation of fastener subassembly finishes, operating personnel can overlap 6 covers in the bottom surface of screw 2 with hexagon socket head cap, and align hexagon socket head cap 6 and nut 7, then with the push-up of hexagon socket head cap 6 exerting oneself, cause protruding 14 of arc and hexagon socket head cap 6 to receive the extrusion of nut 7 and take place elastic deformation, go into connecting slot 15's inboard until the protruding 14 smooth card of arc, can be smooth with the surface at nut 7 of hexagon socket head cap 6 card, hexagon socket head cap 6 can cover the bottom of nut 7 and screw 2 in the inboard this moment, thereby play good guard action to the bottom of nut 7 and screw 2, avoid nut 7 to appear circling round because of the wiping of external object bumps.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a special impact strength's of pcb circuit board fastener, includes circuit board main part (1), components and parts main part (3) and fastener subassembly, its characterized in that: fastener component includes two screws (2), two nuts (7) and two buffer that shocks resistance, buffer that shocks resistance includes two plates (5) and sets up two round bar (8) between two plates (5), two spring groove (9) have been seted up to the inside of plate (5), and the inside of spring groove (9) is provided with interior slider (10) and tube-shape spring (11), the tip and interior slider (10) of round bar (8) are fixed, the top surface of plate (5) is provided with arc elastic plate (4).
2. The special impact-resistant fastener for pcb circuit boards as claimed in claim 1, wherein: the bottom of screw (2) is provided with protector, protector is including blocking at the interior hexagonal cover (6) on nut (7) surface.
3. The special impact-resistant fastener for pcb circuit boards as claimed in claim 2, wherein: the inner hexagonal sleeve (6) is internally provided with a hexagonal groove matched with the nut (7), and the inner hexagonal sleeve (6) is an elastic material component.
4. The special impact-resistant fastener for pcb circuit boards as claimed in claim 2, wherein: the inner wall of the inner hexagonal sleeve (6) is symmetrically provided with two integrated arc-shaped protrusions (14), and the surface of the nut (7) is provided with a plurality of connecting clamping grooves (15) corresponding to the arc-shaped protrusions (14).
5. The special impact-resistant fastener for pcb circuit boards as claimed in claim 1, wherein: the bottom surface of the component main body (3) is provided with a positioning groove corresponding to the shock-resistant buffer device, and the surfaces of the plate (5), the circuit board main body (1) and the component main body (3) are provided with screw holes corresponding to the screws (2).
6. The special impact-resistant fastener for pcb circuit boards as claimed in claim 1, wherein: the top surface of the component main body (3) is provided with two elastic gaskets (12), and the elastic gaskets (12) are sleeved on the top surface of the screw (2).
7. The special impact-resistant fastener for the pcb as claimed in claim 6, wherein: the top surface of the component main body (3) and the top end surface of the screw (2) are both provided with annular pad grooves (13) corresponding to the elastic gaskets (12), and the elastic gaskets (12) are elastic members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021235228.6U CN212344148U (en) | 2020-06-30 | 2020-06-30 | Special impact-resistant fastener for pcb (printed circuit board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021235228.6U CN212344148U (en) | 2020-06-30 | 2020-06-30 | Special impact-resistant fastener for pcb (printed circuit board) |
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| Publication Number | Publication Date |
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| CN212344148U true CN212344148U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021235228.6U Active CN212344148U (en) | 2020-06-30 | 2020-06-30 | Special impact-resistant fastener for pcb (printed circuit board) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347555A (en) * | 2021-11-30 | 2022-04-15 | 重庆皖渝纸制品有限公司 | Semi-automatic carton stapler with safety protection assembly |
-
2020
- 2020-06-30 CN CN202021235228.6U patent/CN212344148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347555A (en) * | 2021-11-30 | 2022-04-15 | 重庆皖渝纸制品有限公司 | Semi-automatic carton stapler with safety protection assembly |
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