CN215673103U

CN215673103U - Thin type leakage-proof fastener

Info

Publication number: CN215673103U
Application number: CN202122192023.5U
Authority: CN
Inventors: 季晨忠
Original assignee: Nantong Huaxia Electronic Technology Co ltd
Current assignee: Nantong Huaxia Electronic Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-28
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a thin type leakage-proof fastener, relates to the technical field of fasteners, and aims to solve the problems that the existing fastener is poor in sealing performance when used for mounting and using water conservancy facilities, and water leakage is easy to occur at fastening and connecting positions. The top of fastening screw is provided with the screw rod hood, fastening screw's externally mounted has the end swivel nut, the inside of end swivel nut is provided with the screw thread and leads to the groove, the both ends that the screw thread led to the groove are provided with respectively and hinder position groove and packing ring filling groove, it is provided with slim ring piece on the inner wall in position groove to hinder, the inside in packing ring filling groove is provided with sealed packing ring, fastening screw's inside is provided with the inscription slot, slim separation blade on the inner wall of inscription slot, the lower extreme of screw rod hood is provided with the hood pile inserting, and the hood pile inserting sets up with screw rod hood integrated into one piece.

Description

Thin type leakage-proof fastener

Technical Field

The utility model relates to the technical field of fasteners, in particular to a thin type leakage-proof fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, dies, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, is a mechanical basic member which is most widely applied, and has the characteristics of various varieties and specifications, different performance purposes and extremely high standardization, serialization and universalization degrees. Thus, one type of fastener that has a national standard is also referred to as a standard fastener, or simply a standard.

The existing fastener is poor in sealing performance when being used for water conservancy facilities to be installed and used, and the problem of water leakage is easy to occur at the fastening and connecting position, so that a thin type leakage-proof fastener is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a thin type leakage-proof fastener, which aims to solve the problems that the existing fastener proposed in the background technology has poor sealing performance when being used for installing and using water conservancy facilities, and water leakage is easy to occur at the fastening and connecting position.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a slim leak protection fastener, includes fastening screw, fastening screw's top is provided with the screw rod hood, fastening screw's externally mounted has the end swivel nut, the inside of end swivel nut is provided with the screw thread and leads to the groove, the both ends that the screw thread led to the groove are provided with respectively and hinder position groove and packing ring filling groove, it is provided with slim ring piece on the inner wall in position groove to hinder, the inside in packing ring filling groove is provided with sealed packing ring, fastening screw's inside is provided with the inscription slot, slim separation blade on the inner wall of inscription slot, the lower extreme of screw rod hood is provided with the hood spud pile, and the hood spud pile sets up with screw rod hood integrated into one piece.

Preferably, the inner center of the thin ring piece is provided with a ring piece through hole, the ring piece through hole and the thin ring piece are integrally formed, and the caliber of the ring piece through hole is larger than the diameter of the fastening screw.

Preferably, one side of the thin blocking piece is provided with a deformation buffer groove, and the deformation buffer groove and the thin blocking piece are integrally formed.

Preferably, the outer wall of the end socket is provided with a widening round block, the widening round block and the end socket are integrally formed, and the diameter of the widening round block is larger than that of the end socket.

Preferably, the top of the screw top cap is provided with a four-corner screwing groove, and the four-corner screwing groove and the screw top cap are integrally formed.

Preferably, the outer wall of the fastening screw rod is provided with a connecting thread, and the fastening screw rod is movably connected with the thread through groove on the inner wall of the end socket screw sleeve through the connecting thread.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the fastening screw penetrates through the ring piece through hole to be installed inside the end screw sleeve, so that the end screw sleeve is installed outside the fastening screw in a sleeved mode, the thin ring piece is subjected to plasticizing deformation by punching the position of the screw top cap through punching equipment, the screw top cap and the thin ring piece are extruded into the position blocking groove together, the thin blocking piece is extruded into the deformation buffer groove when the screw top cap moves, the purpose of blocking the end position of the fastening piece is achieved, and the problems that the existing fastening piece is poor in sealing performance when used for installing and using a water conservancy facility and water leakage is easy to occur at the position for fastening and connecting are solved.

2. The bottom of the end screw sleeve is pushed to the position contacting with the outer wall of the facility during extrusion, and the position is sealed and attached through the sealing filling gasket, so that the leakage-proof sealing effect of the fastener is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a low profile leak resistant fastener of the present invention;

FIG. 2 is a schematic view of the bottom structure of the tip insert of the present invention;

FIG. 3 is a schematic view of the tip insert top structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the fastening screw of the present invention;

FIG. 5 is a schematic view of the internal structure of the tip insert of the present invention;

in the figure: 1. fastening a screw rod; 2. widening the round block; 3. an end screw sleeve; 4. a screw top cap; 5. screwing grooves at four corners; 6. a threaded through slot; 7. a seal packing gasket; 8. a thin ring sheet; 9. connecting threads; 10. an inner connecting slot; 11. a thin baffle plate; 12. a deformation buffer tank; 13. inserting piles in the top caps; 14. a ring sheet through opening; 15. a position blocking groove; 16. the gasket fills the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a slim leak protection fastener, including fastening screw 1, fastening screw 1's top is provided with screw top cap 4, fastening screw 1's externally mounted has end swivel nut 3, the inside of end swivel nut 3 is provided with screw through groove 6, the both ends that screw through groove 6 was provided with respectively hinder position groove 15 and packing ring filling groove 16, it is provided with slim ring piece 8 on the inner wall in position groove 15 to hinder, the inside in packing ring filling groove 16 is provided with sealed packing ring 7, fastening screw 1's inside is provided with inscription slot 10, slim separation blade 11 on the inner wall of inscription slot 10, the lower extreme of screw top cap 4 is provided with top cap spud 13, top cap spud 13 plays the effect of extruding slim separation blade 11, top cap spud 13 sets up with screw top cap 4 integrated into one piece.

Further, the ring piece through hole 14 is formed in the inner center of the thin ring piece 8, the ring piece through hole 14 and the thin ring piece 8 are integrally formed, the diameter of the ring piece through hole 14 is larger than the diameter of the fastening screw rod 1, and the ring piece through hole 14 formed in the inner center of the thin ring piece 8 plays a role in facilitating insertion and installation of the fastening screw rod 1.

Furthermore, a deformation buffer groove 12 is arranged on one side of the thin baffle 11, the deformation buffer groove 12 is integrally formed with the thin baffle 11, and the deformation buffer groove 12 arranged on one side of the thin baffle 11 plays a role of bearing the deformation structure of the thin baffle 11.

Further, the widening round block 2 is arranged on the outer wall of the end screw sleeve 3, the widening round block 2 and the end screw sleeve 3 are integrally formed, the diameter of the widening round block 2 is larger than that of the end screw sleeve 3, the widening round block 2 arranged on the outer wall of the end screw sleeve 3 plays a role in increasing the coverage area of the end screw sleeve 3, and therefore the overall structural strength of the widening round block 2 is enhanced.

Further, the top of screw top cap 4 is provided with four corners and twists groove 5, and four corners is twisted groove 5 and is set up with screw top cap 4 integrated into one piece, and the four corners that the top of screw top cap 4 set up is twisted groove 5 and is played the effect of being convenient for twist fastening screw 1.

Further, be provided with connecting thread 9 on fastening screw 1's the outer wall, fastening screw 1 leads to 6 swing joint through the screw thread on connecting thread 9 and the 3 inner walls of end swivel nut, and the connecting thread 9 that sets up on fastening screw 1's the outer wall plays the effect of the 1 erection joint of fastening screw of being convenient for, thereby fastening screw 1 leads to 6 swing joint through the screw thread on connecting thread 9 and the 3 inner walls of end swivel nut and is convenient for the installation of cup jointing of end swivel nut 3.

The working principle is as follows: the fastening screw 1 penetrates through the ring piece through hole 14 to be installed inside the end screw sleeve 3, the end screw sleeve 3 is sleeved and installed outside the fastening screw 1, then the four-corner screwing groove 5 is connected through the rotary screwdriver to drive the fastening screw 1 to be rotationally connected with a fixed facility pore channel needing to be fastened, after connection is completed, the thin ring piece 8 is subjected to plasticizing deformation through the position of the punching device punching screw top cap 4, the screw top cap 4 and the thin ring piece 8 are extruded into the blocking groove 15 together, the thin blocking piece 11 is extruded into the deformation buffer groove 12 when the screw top cap 4 moves, the purpose of blocking the end position of a fastener is achieved, the bottom of the end screw sleeve 3 is pushed to the position contacted with the outer wall of the facility during extrusion, and the thin anti-leakage fastener is used through the position sealed and attached by the sealing filling gasket 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. A thin type leakage-proof fastener comprises a fastening screw rod (1), and is characterized in that: the top of fastening screw (1) is provided with screw top cap (4), the externally mounted of fastening screw (1) has end swivel nut (3), the inside of end swivel nut (3) is provided with screw through groove (6), the both ends that the screw led to groove (6) are provided with respectively and hinder position groove (15) and packing ring filling groove (16), be provided with slim ring piece (8) on the inner wall that hinders position groove (15), the inside of packing ring filling groove (16) is provided with sealed packing ring (7), the inside of fastening screw (1) is provided with inscription slot (10), slim separation blade (11) are gone up to inscription slot (10) inner wall, the lower extreme of screw top cap (4) is provided with top cap spud (13), and top cap spud (13) and screw top cap (4) integrated into one piece set up.

2. A low profile, leak-proof fastener as defined in claim 1, wherein: the inner center of the thin ring piece (8) is provided with a ring piece through hole (14), the ring piece through hole (14) and the thin ring piece (8) are integrally formed, and the diameter of the ring piece through hole (14) is larger than the diameter of the fastening screw rod (1).

3. A low profile, leak-proof fastener as defined in claim 1, wherein: one side of the thin baffle plate (11) is provided with a deformation buffer groove (12), and the deformation buffer groove (12) and the thin baffle plate (11) are integrally formed.

4. A low profile, leak-proof fastener as defined in claim 1, wherein: the outer wall of the end screw sleeve (3) is provided with a widening round block (2), the widening round block (2) and the end screw sleeve (3) are integrally formed, and the diameter of the widening round block (2) is larger than that of the end screw sleeve (3).

5. A low profile, leak-proof fastener as defined in claim 1, wherein: the top of the screw top cap (4) is provided with a four-corner screwing groove (5), and the four-corner screwing groove (5) and the screw top cap (4) are integrally formed.

6. A low profile, leak-proof fastener as defined in claim 1, wherein: the outer wall of the fastening screw rod (1) is provided with a connecting thread (9), and the fastening screw rod (1) is movably connected with a thread through groove (6) on the inner wall of the end screw sleeve (3) through the connecting thread (9).