CN212509141U - Metal external thread and internal thread connection's level four seal structure - Google Patents
Metal external thread and internal thread connection's level four seal structure Download PDFInfo
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- CN212509141U CN212509141U CN202020739730.4U CN202020739730U CN212509141U CN 212509141 U CN212509141 U CN 212509141U CN 202020739730 U CN202020739730 U CN 202020739730U CN 212509141 U CN212509141 U CN 212509141U
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- thread
- bolt
- screw thread
- internal thread
- ring
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- 239000002184 metal Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract 7
- 238000012856 packing Methods 0.000 claims description 23
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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Abstract
The utility model discloses a four-stage sealing structure for connecting a metal external thread and an internal thread, which relates to the technical field of hardware products, and comprises a bolt, an external thread, a nut and an internal thread, wherein the external thread is arranged on the outer side of the bolt, one end of the bolt is of a regular hexagonal structure, the other end of the bolt is provided with a first retaining ring, the outer ring of the first retaining ring is slightly smaller than the outer ring of the external thread, the internal thread is arranged inside the nut, the internal thread is matched with a thread opening of the external thread, the outer ring of the, the size of the screw is the same as the regular hexagonal structure of the bolt, the utility model takes the screw thread as the center, two-stage sealing structures are respectively arranged at the two ends of the screw thread, the sealing effect can be well played, the integrality of protection screw thread simultaneously, the screw thread is not destroyed, and level four seal structure is better than traditional single-stage seal structure leakproofness simultaneously, the utility model discloses simple to operate is swift, and easy maintenance is swift, effectual reduction maintenance and replacement cost.
Description
Technical Field
The utility model relates to a hardware technical field specifically is a metal external screw thread and internal thread connection's level four seal structure.
Background
The nut is commonly called as a screw cap, the screw motion of the nut is changed into linear motion along the axis of the screw by screwing, the fastening and the removal of the connecting piece are achieved by screwing and unscrewing the screw, if the screw line of the screw is displayed, the matching between the screw line and the screw cap is actually equivalent to the matching between an object and an inclined plane, the object is placed on the inclined plane and is not dropped, mainly related to the material (namely friction force) of the object, the angle of the inclined plane and the like, a friction angle exists between the object and the inclined plane, the object cannot slide down from the inclined plane as long as the angle of the inclined plane is smaller than the friction angle between the object and the inclined plane, the principle that the screw is not automatically loosened after the screw is screwed, the screw is similar to the inclined plane, the labor is saved, and a very small force can be obtained in the axial direction of the screw, i.e. the reason for the tightness with which the workpieces can be joined.
Some screw threads use at present and twine the ramie silk and twine the raw material area, these two kinds of very easy jam or reduce the medium circulation, block up to use unsatisfactorily like equipment, heating and ventilating equipment, sanitary wares tap, and twine the raw material and take the screw thread, the raw material area twines how much rings do not have the standard, the screw thread is twined ten rings or fifteen rings raw material area and is unknown, teachers only rely on the sensation, new people only can twist repeatedly until it is not leaking, locking leak-proof fastening bolt has appeared among the prior art, it coats the rubber material on the bolt, the part to the bolt lock carries out the locking processing of leak protection. However, the contact area between the colloid material and the bolt adopted in the prior art is limited, the colloid material is easy to degum after being used for a plurality of times, and meanwhile, the structure formed by the colloid on the bolt can be obviously deformed after the bolt is screwed down, and the anti-loosening and anti-leakage effects of the colloid material after deformation can be obviously reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a metal external screw thread and internal thread connection's level four seal structure to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal external screw thread and internal thread connection's level four seal structure, includes bolt, external screw thread, nut and internal thread, the outside of bolt sets up the external screw thread, the one end of bolt is positive hexagonal structure, the other end of bolt is provided with first retaining ring, the outer lane of first retaining ring slightly is less than the outer lane of external screw thread, the inside of nut sets up the internal thread, the internal thread with the external screw thread tooth mouth coincide, the outer lane of nut is positive hexagonal structure, and the size with the positive hexagonal structure of bolt is the same.
Preferably, a first clamping groove is formed between the first retaining ring and the external thread, a first gasket is installed on the outer side of the first clamping groove, and the size of the outer ring of the first gasket is consistent with that of the outer ring of the external thread.
Preferably, the inside of bolt is provided with the third draw-in groove, the internally mounted of third draw-in groove has the fourth packing ring, the outer lane of fourth packing ring with the inner circle of clamping ring coincide, the outer lane of third draw-in groove with the outer lane of clamping ring coincide.
Preferably, a second clamping groove is formed in the outer side of one end, far away from the first clamping groove, of the external thread, a third gasket is installed on the outer side of the second clamping groove, and the third gasket is identical to the first gasket in shape and size.
Preferably, the outside of nut is provided with the clamping ring, the nut is kept away from one side of clamping ring is provided with the second retaining ring, the second packing ring is installed in the outside of second retaining ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a when twisting the screw into the nut, the external screw thread coincide with the internal thread, and in the third draw-in groove was gone into to the clamping ring card, the fourth packing ring of locking, the inside locking third packing ring of nut simultaneously, the firm first packing ring of one side of first retaining ring, the opposite side locking second packing ring of first retaining ring, the utility model discloses use the screw thread as the center, each two-stage seal structure in screw thread both ends, can be fine play sealed effect, the integrality of protection screw thread simultaneously, the screw thread is not destroyed, and level four seal structure is better than traditional single-stage seal structure leakproofness simultaneously, the utility model discloses simple to operate is swift, and easy maintenance is swift, effectual reduction maintenance and replacement cost.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a front sectional view of the bolt of the present invention;
fig. 3 is a front sectional view of the nut of the present invention;
in the figure: 1-bolt, 2-external thread, 3-first washer, 4-first retainer ring, 5-nut, 6-second washer, 7-internal thread, 8-press ring, 9-third washer, 10-fourth washer, 11-first clamping groove, 12-second clamping groove, 13-third clamping groove and 14-second retainer ring.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a metal external screw thread and internal thread connection's level four seal structure, includes bolt 1, external screw thread 2, nut 5 and internal thread 7, the outside of bolt 1 sets up external screw thread 2, the one end of bolt 1 is positive hexagonal structure, the other end of bolt 1 is provided with first retaining ring 4, the outer lane of first retaining ring 4 slightly is less than the outer lane of external screw thread 2, the inside of nut 5 sets up internal thread 7, internal thread 7 with 2 tooth mouths of external screw thread coincide, the outer lane of nut 5 is positive hexagonal structure, and the size with bolt 1's positive hexagonal structure is the same.
Through swivel nut 5, fasten bolt 1 and nut 5 along external screw thread 2, when rotatory to the bottom, the positive hexagonal of outer lane of bolt 1 and nut 5 aligns, the utility model discloses simple to operate is swift, and easy maintenance is swift, effectual reduction maintenance and replacement cost.
In this embodiment, a first clamping groove 11 is formed between the first retainer ring 4 and the external thread 2, a first gasket 3 is mounted on the outer side of the first clamping groove 11, and the size of the outer ring of the first gasket 3 is consistent with that of the outer ring of the external thread 2.
Through the first gasket 3 that stabilizes of first draw-in groove 11 and first retaining ring 4, avoid first gasket 3 to slide the skew when the installation, lock first gasket 3 through nut 5, seal the circular end of bolt 1.
In this implementation, the inside of bolt 1 is provided with third draw-in groove 13, the internally mounted of third draw-in groove 13 has fourth packing ring 10, the outer lane of fourth packing ring 10 with the inner circle of clamping ring 8 coincide, the outer lane of third draw-in groove 13 with the outer lane of clamping ring 8 coincide.
The position of the fourth gasket 10 is stabilized by the bolt 1 and the pressing ring 8, and the joint of the bolt 1 and the nut 5 is sealed.
In this embodiment, a second clamping groove 12 is arranged on the outer side of one end of the external thread 2, which is far away from the first clamping groove 11, a third gasket 9 is mounted on the outer side of the second clamping groove 12, and the third gasket 9 and the first gasket 3 are the same in shape and size.
The third washer 9 is secured by the fourth washer 10 and the nut 5 and seals the regular hexagonal end of the bolt 1.
In this implementation, the outside of nut 5 is provided with clamping ring 8, one side that nut 5 kept away from clamping ring 8 is provided with second retaining ring 14, second packing ring 6 is installed in the outside of second retaining ring 14.
Through the firm second packing ring 6 of first retaining ring 4 and second retaining ring 14, seal the outer end of nut 5, the utility model discloses use the screw thread as the center, each two-stage seal structure in screw thread both ends, the sealed effect of playing that can be fine protects the integrality of screw thread simultaneously, and the screw thread is not destroyed, and level four seal structure is better than traditional single-stage seal structure leakproofness simultaneously.
The working principle is as follows:
step 1: when the screw twists the nut, external screw thread 2 coincide with internal thread 7, and 8 card of clamping ring go into in the third draw-in groove 13, lock fourth packing ring 10, and the inside locking third packing ring 9 of nut 5 simultaneously, the firm first packing ring 3 of one side of first retaining ring 4, the opposite side locking second packing ring 6 of first retaining ring 4, the utility model discloses use the screw thread as the center, each two-stage seal structure in screw thread both ends, play sealed effect that can be fine, the integrality of protection screw thread simultaneously, the screw thread is not destroyed, and level four seal structure is better than traditional single-stage seal structure leakproofness simultaneously, the utility model discloses simple to operate is swift, and easy maintenance is swift, effectual reduction maintenance and replacement cost.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a metal external screw thread and internal thread connection's level four seal structure, includes bolt (1), external screw thread (2), nut (5) and internal thread (7), its characterized in that: the outside of bolt (1) sets up external screw thread (2), the one end of bolt (1) is positive hexagonal structure, the other end of bolt (1) is provided with first retaining ring (4), the outer lane of first retaining ring (4) slightly is less than the outer lane of external screw thread (2), the inside of nut (5) sets up internal thread (7), internal thread (7) with external screw thread (2) tooth mouth coincide, the outer lane of nut (5) is positive hexagonal structure, and the size with the positive hexagonal structure of bolt (1) is the same.
2. The four-stage sealing structure for connecting the metal external thread and the metal internal thread according to claim 1, wherein: first retaining ring (4) with be provided with first draw-in groove (11) between external screw thread (2), first packing ring (3) are installed in the outside of first draw-in groove (11), the outer lane of first packing ring (3) with the outer lane size of external screw thread (2) is unanimous.
3. The four-stage sealing structure for connecting the metal external thread and the metal internal thread according to claim 1, wherein: the inside of bolt (1) is provided with third draw-in groove (13), the internally mounted of third draw-in groove (13) has fourth packing ring (10), the outer lane of fourth packing ring (10) coincide with the inner circle of clamping ring (8), the outer lane of third draw-in groove (13) with the outer lane of clamping ring (8) coincide.
4. The four-stage sealing structure for connecting the metal external thread and the metal internal thread according to claim 2, wherein: the outer side of one end, far away from first draw-in groove (11), of external screw thread (2) is provided with second draw-in groove (12), third packing ring (9) is installed in the outside of second draw-in groove (12), third packing ring (9) with first packing ring (3) shape size is the same.
5. The four-stage sealing structure for connecting the metal external thread and the metal internal thread according to claim 1, wherein: the outside of nut (5) is provided with clamping ring (8), nut (5) are kept away from one side of clamping ring (8) is provided with second retaining ring (14), second packing ring (6) are installed in the outside of second retaining ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739730.4U CN212509141U (en) | 2020-05-08 | 2020-05-08 | Metal external thread and internal thread connection's level four seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020739730.4U CN212509141U (en) | 2020-05-08 | 2020-05-08 | Metal external thread and internal thread connection's level four seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509141U true CN212509141U (en) | 2021-02-09 |
Family
ID=74444262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020739730.4U Active CN212509141U (en) | 2020-05-08 | 2020-05-08 | Metal external thread and internal thread connection's level four seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509141U (en) |
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2020
- 2020-05-08 CN CN202020739730.4U patent/CN212509141U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240722 Address after: 2nd Floor, Building 3, No. 1036, Xizha Road, Nanqiao Town, Fengxian District, Shanghai, 201400 Patentee after: Shanghai Qiongyao Machinery Equipment Co.,Ltd. Country or region after: China Address before: 315300 room 7-502, city Taoyuan, Zonghan street, Cixi City, Ningbo City, Zhejiang Province Patentee before: Deng Zhaoteng Country or region before: China |
|
| TR01 | Transfer of patent right |