CN212735886U - Sinking type quick clamping and stretching nut mechanism - Google Patents
Sinking type quick clamping and stretching nut mechanism Download PDFInfo
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- CN212735886U CN212735886U CN202020849279.1U CN202020849279U CN212735886U CN 212735886 U CN212735886 U CN 212735886U CN 202020849279 U CN202020849279 U CN 202020849279U CN 212735886 U CN212735886 U CN 212735886U
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- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 210000004247 hand Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to a tensile nut mechanism of quick joint of formula of sinking belongs to tensile nut technical field. The main technical scheme is as follows: the device comprises a compression ring, an expansion pin, a return spring, a guide plate, a split stretching nut, a guide pin, a connecting rod and a tightening ring; the compression ring and the tightening ring are fixed into a linkage structure through a connecting rod; the split stretching nut consists of a plurality of split nut jaws, and each split nut jaw is fixed on the guide plate through a guide pin; the expansion pin is arranged at the top of the split stretching nut and the bottom of the compression ring, and the reset spring is sleeved on the expansion pin. The utility model discloses a mode of quick joint, when meshing with the king bolt, only need promote the clamping ring downwards, make the tensile nut of split expand, then nestification is on the king bolt, loosens the clamping ring again, makes the overhead rebound spring's of expanding effect rebound down again, and the tensile nut of split then through take up the ring effect tight with the king bolt meshing this moment, has saved the strength and the operating time of the nut of screwing widely.
Description
Technical Field
The utility model relates to a tensile nut technical field, especially a tensile nut mechanism of quick joint of formula of sinking.
Background
At present, screw-type tension nuts are used in bolt fastening. However, such a screw-type tension nut has the following problems:
the screwing type stretching nut needs to be screwed downwards to the fitting plane from the top of the bolt when in use, the screwing stretching nut works to influence the screwing workload and the installation time according to the protruding height of the bolt, and generally, the screwing of one stretching nut needs about 30 seconds to 5 minutes. And the operating mode is different, and the length of stretching out of bolt can be slightly low relatively the piston top surface under some operating modes, and at this moment use traditional to put tensile nut of top formula and will not satisfy tensile work.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that prior art exists, the utility model discloses a simple to operate swiftly uses time the manpower sparingly and satisfies the bolt and lean out the tensile nut mechanism of quick joint of formula of sinking that length is less than piston top surface.
In order to achieve the above purpose, the technical solution of the present invention is as follows: a sinking type quick clamping and stretching nut mechanism comprises a compression ring, an expansion pin, a return spring, a guide plate, a split stretching nut, a guide pin, a connecting rod and a tightening ring; the compression ring and the tightening ring are fixed into a linkage structure through a connecting rod; the split stretching nut consists of a plurality of split nut jaws, and each split nut jaw is fixed on the guide plate through a guide pin; the expansion pin is arranged at the top of the split stretching nut and the bottom of the compression ring, and the reset spring is sleeved on the expansion pin.
Furthermore, the guide plate is of a circular ring structure, a plurality of radial pin holes are uniformly distributed in the side face of the guide plate, and the split stretching nut jaw is fixed to the guide plate through a guide pin.
Furthermore, the bottom of the expansion pin is in a conical surface shape and is matched with the inner wall of the split stretching nut.
Furthermore, one end of the guide pin is provided with an M thread.
Furthermore, the multi-petal nut clamping jaw is a 2-5-petal nut clamping jaw.
Furthermore, the multi-petal nut clamping jaw is a 3-petal nut clamping jaw.
Furthermore, the number of the radial pin holes is 2-5.
Further, the number of the radial pin holes is 3.
Compared with the prior rotating nut, the utility model discloses following beneficial effect has:
1. because the utility model discloses a mode of quick joint, when meshing with the main bolt, only need promote the clamping ring downwards, make the tensile nut of split expand, then nestification is on the main bolt, loosens the clamping ring again, makes the overhead rebound spring's of expanding effect rebound down again, and the tensile nut of split then through take up the ring effect tight with the main bolt meshing this moment, has saved the strength and the operating time of the nut of screwing widely.
2. Because the utility model discloses a mode of embracing the card, when meshing with the king bolt, no matter the length of king bolt salient, nested time is the same basically, can save the time of the nut of screwing greatly.
3. Because the utility model discloses need not to use and revolve wrong instrument, also be particularly suitable for the restricted occasion of installation space.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a longitudinal sectional view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of the guide plate.
Fig. 5 is a schematic structural view of the split draw nut.
Fig. 6 is a schematic view of a nut jaw structure.
Wherein: 1. compression ring, 2, expansion pin, 3, reset spring, 4, guide plate, 5, split stretching nut, 6, guide pin, 7, connecting rod, 8 and tightening ring.
Detailed Description
The invention is further described below with reference to the accompanying drawings. As shown in the figures 1-6 of the drawings,
a sinking type quick clamping stretching nut mechanism comprises a compression ring 1, an expansion pin 2, a return spring 3, a guide plate 4, a split stretching nut 5, a guide pin 6, a connecting rod 7 and a tightening ring 8. The compression ring 1 and the tightening ring 8 are fixed together through a connecting rod 7 to form a set of linkage structure; the split stretching nut 5 consists of 3 nut jaws, each nut jaw is fixed on the guide plate 4 through a guide pin 6, and the nut jaws are identical in structure; the expansion pin 2 is arranged at the top of the split stretching nut 5 and the bottom of the compression ring 1, and the reset spring 3 is sleeved on the expansion pin 2 to continuously exert an upward force on the expansion pin 2. The guide plate 4 be the ring structure, 3 radial pinhole of side evenly distributed, split stretching nut 5 jack catch is fixed to guide plate 4 and can do the action of opening, closing through guide pin 6. The bottom of the expansion pin 2 is in a conical shape and is matched with the inner wall of the split stretching nut 5, and when the expansion pin 2 moves downwards, the split stretching nut 5 can be moved towards the opening direction. The tightening ring 8 passes through the one set of linkage part of connecting rod 7 and 1 stroke of clamping ring, will expand as reset spring 3 and spend 2 upwards promote, clamping ring 1 drives tightening ring 8 synchronous upward movement through connecting rod 7, tightening ring 8 then only laminates with split stretching nut 5 screw thread section outer wall this moment, outwards expand when playing and preventing split stretching nut 5 atress. The front section of the guide pin is M3 thread.
The utility model discloses an assembly method as follows:
A. installing a split stretching nut 5 on the guide plate 4 through a guide pin 6;
B. installing a return spring 3 into a hole in the middle of the top of the guide plate 4, and installing an expansion pin 2 into the return spring 3;
C. the connecting rod 7 passes through the hole of the guide plate 4, and the compression ring 1 and the tightening ring 8 are simultaneously arranged on two sides of the connecting rod.
The utility model discloses a use method as follows:
A. the thumbs of the two hands press the pressure ring 1, the other fingers 4 are placed at the side edge of the guide plate 4, when the thumb presses the pressure ring 1 downwards, the expansion pin 2 moves downwards, and the split stretching nut 5 is opened through the conical surface of the expansion pin 2;
B. the expanded split stretching nut 5 penetrates through the main bolt and is placed on the joint surface of the piston to loosen hands, at the moment, the expansion pin 2 moves upwards under the action of the return spring 3 and drives the compression ring 1 and the tightening ring 8 to move upwards through the connecting rod 7, and at the moment, the tightening ring 8 can tightly hold the thread meshing part of the split stretching nut 5 to prevent the split stretching nut 5 from being opened in the stretching process;
C. after the stretching operation is finished, the whole set of sinking type stretching nuts are rotated to finish the piston resetting operation, then the step A is repeated after the drawing is carried out for 1/4 circles, at the moment, the split stretching nuts 5 are opened, and the sinking type stretching nuts are lifted out of the bolts and are stored for the next operation.
The present invention is not limited to the embodiment, and any equivalent concept or change within the technical scope of the present invention is all listed as the protection scope of the present invention.
Claims (8)
1. A sinking type quick clamping stretching nut mechanism is characterized by comprising a compression ring (1), an expansion pin (2), a reset spring (3), a guide plate (4), a split stretching nut (5), a guide pin (6), a connecting rod (7) and a tightening ring (8);
the compression ring (1) and the tightening ring (8) are fixed into a linkage structure through a connecting rod (7);
the split stretching nut (5) consists of a plurality of split nut jaws, and each split nut jaw is fixed on the guide plate (4) through a guide pin (6);
the expanding pin (2) is arranged at the top of the split stretching nut (5) and the bottom of the compression ring (1), and the return spring (3) is sleeved on the expanding pin (2).
2. A quick snap-in draw nut mechanism according to claim 1, wherein the guiding plate (4) is a circular ring structure with a plurality of radial pin holes evenly distributed on the side, and the jaws of the split draw nut (5) are fixed to the guiding plate (4) by the guiding pin (6).
3. A sunk quick snap-in draw nut mechanism according to claim 1, wherein the bottom of the expansion pin (2) is of a conical profile to engage the inner wall of the split draw nut (5).
4. A quick snap-in pull-nut mechanism according to claim 1, wherein the guide pin (6) is threaded M3 at one end.
5. A sunk quick snap-in pull-nut mechanism as claimed in claim 1, wherein the multi-lobed nut jaws are 2-5 lobed nut jaws.
6. A sunk quick snap-in pull-nut mechanism as claimed in claim 1, wherein the multi-lobed nut jaws are 3-lobed nut jaws.
7. A quick snap-in pull-nut mechanism according to claim 2, wherein said radial pin holes are 2-5.
8. A quick snap-in pull-nut mechanism according to claim 2, wherein said number of radial pin holes is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849279.1U CN212735886U (en) | 2020-05-20 | 2020-05-20 | Sinking type quick clamping and stretching nut mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020849279.1U CN212735886U (en) | 2020-05-20 | 2020-05-20 | Sinking type quick clamping and stretching nut mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212735886U true CN212735886U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020849279.1U Active CN212735886U (en) | 2020-05-20 | 2020-05-20 | Sinking type quick clamping and stretching nut mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212735886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618792A (en) * | 2020-05-20 | 2020-09-04 | 大连泰凯工业有限公司 | Sinking type quick clamping and stretching nut mechanism and using method thereof |
-
2020
- 2020-05-20 CN CN202020849279.1U patent/CN212735886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111618792A (en) * | 2020-05-20 | 2020-09-04 | 大连泰凯工业有限公司 | Sinking type quick clamping and stretching nut mechanism and using method thereof |
| CN111618792B (en) * | 2020-05-20 | 2024-06-04 | 大连泰凯工业有限公司 | Immersed type quick clamping and stretching nut mechanism and use method thereof |
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