CN213088474U - Flat washer and fastening connection structure comprising same - Google Patents
Flat washer and fastening connection structure comprising same Download PDFInfo
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- CN213088474U CN213088474U CN202021171185.XU CN202021171185U CN213088474U CN 213088474 U CN213088474 U CN 213088474U CN 202021171185 U CN202021171185 U CN 202021171185U CN 213088474 U CN213088474 U CN 213088474U
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Abstract
The utility model relates to a technical field of packing ring, in particular to plain washer and fastening connection structure including this plain washer. The gasket comprises a gasket main body, wherein a yielding hole is formed in the gasket main body and comprises a large hole area and a small hole area which are communicated with each other, and the diameter of the large hole area is larger than that of the small hole area. The utility model discloses the hole of stepping down of plain washer is including the macropore region and the micropore region that are linked together, and the micropore region is used for being compressed tightly by the fastener, and the macropore region is used for the utility model discloses plain washer and work piece break away from or embolia the fastener, and the fastener need not to pull down to can realize quick assembly disassembly work piece, traditional plain washer relatively, the utility model discloses plain washer's ability effectively improves work efficiency.
Description
Technical Field
The utility model relates to a technical field of packing ring, in particular to plain washer and fastening connection structure including this plain washer.
Background
The existing washer and the bolt are matched to fix the workpiece, so that the action area of the bolt is larger, but when the workpiece is disassembled and assembled, the bolt and the washer are required to be completely disassembled to loosen the workpiece, and during installation, the bolt and the washer are required to be reassembled, so that the mode causes the low working efficiency of workers, and the workpiece disassembling and assembling speed is low. There is therefore a need for further improvements in the construction of existing gaskets.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a can effectively improve work efficiency, can realize the plain washer of quick assembly disassembly work piece.
The first purpose of the utility model is realized like this:
the flat gasket comprises a gasket main body, wherein a yielding hole is formed in the gasket main body and comprises a large hole area and a small hole area which are communicated with each other, and the diameter of the large hole area is larger than that of the small hole area. The utility model discloses when cooperation threaded fastener dismantles the work piece, the workman can toward unscrewing threaded fastener outward a little for threaded fastener breaks away from the packing ring main part, then up promotes the packing ring main part again, makes the macropore region of packing ring main part align with threaded fastener's screw rod, and threaded fastener's screw rod slides in the macropore region, then takes packing ring main part and work piece (the diameter of the through-hole of work piece is greater than the diameter of threaded fastener's head) out on the screw rod, realizes dismantling the work piece. On the contrary, the utility model discloses when going up the work piece to the refastening, the utility model discloses can make earlier the macropore region of packing ring main part, the through-hole of work piece and threaded fastener's head aim at, then embolia work piece and packing ring main part on threaded fastener's head in proper order, promote the packing ring main part down again after that for the micropore region and the screw rod of packing ring main part align, in the screw rod slips into the micropore region, with screw up threaded fastener a little can, threaded fastener is inwards compressed tightly the work piece on the mounting, thereby realizes the fixed of work piece. The utility model discloses a threaded fastener is after screwing up for the first time, all need not dismantle afterwards, by last knowing, and the workman need not pull down threaded fastener completely when the dismouting work piece, the utility model discloses flat packing ring and work piece can be followed threaded fastener and taken out to the dismouting time has been saved. Therefore, the utility model discloses the plain washer can effectively improve work efficiency, can realize the quick assembly disassembly work piece.
The utility model can be further improved as follows.
The small hole area is a U-shaped hole, and an opening of the U-shaped hole is communicated with the round hole.
The circle center of the large hole area and the center of the small hole area are positioned on the same straight line.
The circle center of the large hole area, the center of the small hole area and the center of the gasket main body are located on the same straight line, and the center of the gasket main body is located between the circle center of the large hole area and the center of the small hole area.
The large hole area and the small hole area are round holes.
The abdicating hole is gourd-shaped.
The circle centers of the large hole area and the small hole area are positioned on the same straight line.
The gasket main body is round.
A second object of the present invention is to provide a fastening connection structure which can effectively improve the working efficiency and can realize the quick assembly and disassembly of the workpiece.
The second purpose of the utility model is realized like this:
a fastening connection structure, comprising a threaded fastener, a fixing member, a workpiece, and the plain washer of claims 1-8, wherein the threaded fastener comprises a head and a screw rod which are connected, the screw rod of the threaded fastener sequentially passes through a small hole region of an abdicating hole of the plain washer and a through hole of the workpiece and is connected with the fixing member, the diameter of the small hole region < the diameter of the head of the threaded fastener < the diameter of the large hole region, and the diameter of the head of the threaded fastener is smaller than the diameter of the through hole of the workpiece. The utility model discloses when cooperation threaded fastener dismantles the work piece, the workman can toward unscrewing threaded fastener outward a little for threaded fastener breaks away from the packing ring main part, then up promotes the packing ring main part again, makes the macropore region of packing ring main part align with threaded fastener's screw rod, and threaded fastener's screw rod slides in the macropore region, then takes packing ring main part and work piece (the diameter of the through-hole of work piece is greater than the diameter of threaded fastener's head) out on the screw rod, realizes dismantling the work piece. On the contrary, the utility model discloses when going up the work piece to the refastening, the utility model discloses can make earlier the macropore region of packing ring main part, the through-hole of work piece and threaded fastener's head aim at, then embolia work piece and packing ring main part on threaded fastener's head in proper order, promote the packing ring main part down again after that for the micropore region and the screw rod of packing ring main part align, in the screw rod slips into the micropore region, with screw up threaded fastener a little can, threaded fastener is inwards compressed tightly the work piece on the mounting, thereby realizes the fixed of work piece. The utility model discloses a threaded fastener is after screwing up for the first time, all need not dismantle afterwards, by last knowing, and the workman need not pull down threaded fastener completely when the dismouting work piece, the utility model discloses flat packing ring and work piece can be followed threaded fastener and taken out to the dismouting time has been saved. Therefore, the utility model discloses fastening connection structure can effectively improve work efficiency, can realize quick assembly disassembly work piece.
The threaded fastener is a bolt or screw.
The utility model has the advantages as follows:
the gasket body, be equipped with the hole of stepping down in the gasket body, the hole of stepping down is including the macropore region and the micropore region that are linked together
(one) the utility model discloses the hole of stepping down of plain washer is including the macropore region and the aperture region that are linked together, and the aperture region is used for being compressed tightly by the fastener, and the macropore region is used for the utility model discloses plain washer and work piece break away from or embolia the fastener, and the fastener need not to pull down to can realize quick assembly disassembly work piece, traditional plain washer relatively, the utility model discloses plain washer's ability effectively improves work efficiency.
(II) the utility model discloses fastening connection structure need not pull down threaded fastener completely when dismantling the work piece, only needs slightly unscrew threaded fastener, then directly takes out plain washer and work piece from threaded fastener, otherwise when installing the work piece, directly embolias plain washer and work piece on threaded fastener, then screws up threaded fastener a little and can realize fixing to the dismouting time has been saved. Therefore, the utility model discloses fastening connection structure can effectively improve work efficiency, can realize quick assembly disassembly work piece.
Drawings
Fig. 1 is a schematic structural view of the flat gasket of the present invention.
Fig. 2 is an exploded schematic view of the fastening structure of the present invention.
Fig. 3 is a schematic view showing the structure of the fastening structure according to the present invention when the workpiece and the flat washer are removed (arrows indicate the direction in which the workpiece and the flat washer are removed).
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
In a first embodiment, as shown in fig. 1 to 3, a fastening connection structure includes a threaded fastener 4, a fixing member 3, a workpiece 2, and a flat washer 1, the flat washer 1 includes a washer body 10, an abdicating hole 11 is provided on the washer body 10, the abdicating hole 11 includes a large hole area 13 and a small hole area 12 which are communicated with each other, and a diameter of the large hole area 13 is greater than a diameter of the small hole area 12. The threaded fastener 4 comprises a head 41 and a shank 42 connected.
The fixing piece 3 is provided with a screw hole 31, and the workpiece 2 is provided with a through hole 21.
The screw rod 42 of the threaded fastener 4 sequentially passes through the small hole area 12 of the abdicating hole 11 of the flat washer 1 and the through hole 21 of the workpiece 2 and is in threaded connection with the screw hole 31 of the fixing part 3, the diameter of the small hole area is less than that of the head 41 of the threaded fastener 4, and the diameter of the head 41 of the threaded fastener 4 is less than that of the through hole 21 of the workpiece 2. The threaded fastener 4 is a bolt or a screw.
As a more specific technical solution of the present invention.
The gasket main body is round.
The small hole area 12 is a U-shaped hole, and an opening of the U-shaped hole is communicated with the round hole.
The circle center A3 of the large pore area 13 and the center A2 of the small pore area 12 are located on the same straight line.
The center A3 of the large aperture region 13, the center a2 of the small aperture region 12 and the center a1 of the gasket body are located on the same straight line, and the center a1 of the gasket body is located between the center A3 of the large aperture region 13 and the center a2 of the small aperture region 12.
Of course, the abdicating hole 11 of the utility model is gourd-shaped, and the large hole area 13 and the small hole area 12 are both designed into round holes.
The centers of the large hole area 13 and the small hole area 12 are located on the same straight line.
The utility model discloses when work piece 2 is dismantled to cooperation threaded fastener 4, the workman can unscrew threaded fastener 4 outward a little, make threaded fastener 4 break away from packing ring main part 10, then up promote packing ring main part 10 again, make the macropore district 13 of packing ring main part 10 align with threaded fastener 4's screw rod 42, threaded fastener 4's screw rod 42 slides in macropore district 13, then take packing ring main part 10 and work piece 2 (the diameter of work piece 2's through-hole 21 is greater than the diameter of threaded fastener 4's head 41) outward from screw rod 42, realize dismantling work piece 2. On the contrary, the utility model discloses when going up work piece 2 again, the utility model discloses can make the through-hole 21 of the big pore area 13 of packing ring main part 10, work piece 2 aim at with threaded fastener 4's head 41 earlier, then embolia work piece 2 and packing ring main part 10 on threaded fastener 4's head 41 in proper order, after that down promote packing ring main part 10 again for the aperture district 12 of packing ring main part 10 aligns with screw rod 42, in screw rod 42 slided into aperture district 12, with screw up threaded fastener 4 a little can, threaded fastener 4 is pressed tightly work piece 2 on mounting 3 inwards, thereby realize the fixed of work piece 2. The utility model discloses a threaded fastener 4 need not dismantle afterwards after screwing up for the first time, can know by last, and the workman need not pull down threaded fastener 4 completely when dismouting work piece 2, the utility model discloses flat packing ring 1 and work piece 2 can be followed threaded fastener 4 and taken out to the dismouting time has been saved. Therefore, the utility model discloses fastening connection structure can effectively improve work efficiency, can realize quick assembly disassembly work piece.
Claims (10)
1. The flat washer comprises a washer body, wherein the washer body is provided with a yielding hole, and the flat washer is characterized in that the yielding hole comprises a large hole area and a small hole area which are communicated with each other, and the diameter of the large hole area is larger than that of the small hole area.
2. The plain washer according to claim 1, wherein the large hole region is a circular hole, and the small hole region is a U-shaped hole, an opening of the U-shaped hole communicating with the circular hole.
3. The flat gasket of claim 2 wherein the center of the large pore area and the center of the small pore area are located on the same line.
4. The flat gasket of claim 1 wherein said large and small pore regions are circular holes.
5. The flat washer according to claim 4, wherein the relief hole has a gourd shape.
6. The plain washer according to claim 4, wherein the centers of the large hole region and the small hole region are located on the same straight line.
7. The flat gasket according to claim 2 or 4, wherein the gasket body is round.
8. The flat gasket of claim 7 wherein the center of the large pore area, the center of the small pore area and the center of the gasket body are located on the same line, the center of the gasket body being located between the center of the large pore area and the center of the small pore area.
9. A fastening structure comprising a threaded fastener, a fixing member, a workpiece, and the plain washer according to any one of claims 1 to 8, the threaded fastener including a head and a screw connected to each other, the screw of the threaded fastener passing through the small hole region of the relief hole of the plain washer, the through hole of the workpiece in this order, and being connected to the fixing member, the diameter of the small hole region < the diameter of the head of the threaded fastener < the diameter of the large hole region, the diameter of the head of the threaded fastener being smaller than the diameter of the through hole of the workpiece.
10. The fastening connection of claim 9, wherein the threaded fastener is a bolt or screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021171185.XU CN213088474U (en) | 2020-06-21 | 2020-06-21 | Flat washer and fastening connection structure comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021171185.XU CN213088474U (en) | 2020-06-21 | 2020-06-21 | Flat washer and fastening connection structure comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088474U true CN213088474U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021171185.XU Active CN213088474U (en) | 2020-06-21 | 2020-06-21 | Flat washer and fastening connection structure comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088474U (en) |
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2020
- 2020-06-21 CN CN202021171185.XU patent/CN213088474U/en active Active
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