CN207715519U - A kind of waterproofing fastening piece that can solve food-safety problem - Google Patents
A kind of waterproofing fastening piece that can solve food-safety problem Download PDFInfo
- Publication number
- CN207715519U CN207715519U CN201721781922.6U CN201721781922U CN207715519U CN 207715519 U CN207715519 U CN 207715519U CN 201721781922 U CN201721781922 U CN 201721781922U CN 207715519 U CN207715519 U CN 207715519U
- Authority
- CN
- China
- Prior art keywords
- gasket
- plane
- stud
- safety problem
- ring flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cookers (AREA)
Abstract
The utility model discloses a kind of waterproofing fastening pieces that can solve food-safety problem, the stud being connect including screw head, with screw head, the stud is threadedly coupled with parts, ring flange is equipped between the screw head and stud, seal groove is offered on the ring flange, and the gasket coordinated with seal groove is arranged on the stud.The utility model health rank is high, no dead angle, and convenient for cleaning, bacterium colony residual is few, and waterproof seal is good, can contact food, ageing resistance is good, and service life is long.
Description
Technical field
The utility model is related to a kind of fastener more particularly to a kind of waterproof fastenings that can solve food-safety problem
Part.
Background technology
Fastener is to be fastenedly connected with and apply extremely wide a kind of machine components.Fastener, it is wide using industry
It is general, including the energy, electronics, electric appliance, machinery, chemical industry, metallurgy, mold, hydraulic pressure etc. industry, various machineries, equipment, vehicle,
Above ship, railway, bridge, building, structure, tool, instrument, chemical industry, instrument and articles for use etc., it can be seen that miscellaneous
Fastener is most widely used mechanical basic part.
Base connection due to fastener as machinery, quality directly affect the service life of machinery, work as fastener
Fastening position when encountering corrosive water or pollutant, the junction of fastener and mechanical equipment can usually grow bacterium or
Aging is generated, the service life of equipment is reduced, influences the normal use of equipment.
Invention content
To solve technical problem, the utility model provides a kind of hygienic rank height, and no dead angle, convenient for cleaning, clump count is few,
Waterproof seal is good, can contact food, ageing resistance is good, and the waterproof with long service life that can solve food-safety problem is tight
Firmware.
The utility model technical scheme applied to solve the technical problem is：It is a kind of to solve the anti-of food-safety problem
Water fastener, including screw head, the stud that is connect with screw head, the stud are threadedly coupled with parts, the screw head and stud it
Between be equipped with ring flange, offer seal groove on the ring flange, the gasket coordinated with seal groove be arranged on the stud.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the ring flange and gasket it is non-contact
Face is set as arcwall face, and the contact surface of ring flange and gasket is set as plane, and plane is equipped with locking protrusion.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the seal groove are opened in the arc of ring flange
At the joint angle of shape face and plane, the seal groove is circumferentially disposed along ring flange, and the seal groove is set as close to screw head side
Inclined-plane, seal groove is interior to be equipped with the protrusion for preventing gasket to be detached from seal groove.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the gasket are round table-like, gasket
Be less than the contact surface size of gasket and parts with the size of the contact surface on inclined-plane, the contact surface on the gasket and inclined-plane with
And be disposed as to the inclined cooperation inclined-plane in stud side with the contact surfaces of parts, it is opened up on the contact surface of gasket and parts
There is the mating groove being adapted to protrusion.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the screw head are in oval type or hexagon
Any one.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the end of screw head offer "-" type,
Any one groove in cross or polygon.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the ring flange and screw head and the company of stud
The place of connecing is respectively provided in the arc-shaped.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the stud pass through the external part of parts
It is threaded with fastening nut, the baffle being connect with fastening nut is equipped at the contact surface of fastening nut and parts, it is described
Slot is offered on baffle, is arranged with the gasket coordinated with slot on stud, and the non-contact face of the baffle and gasket is set as arc
The contact surface of shape face, baffle and gasket is set as plane, and plane is equipped with locking protrusion.
A kind of above-mentioned waterproofing fastening piece that can solve food-safety problem, the slot be opened in the arcwall face of baffle with
At the joint angle of plane, the slot is circumferentially disposed along baffle, and the slot is set as inclined-plane, being equipped in slot close to fastening nut side
Prevent the limit protrusion of gasket releasing slots.
The beneficial effects of the utility model are：Fastening area is increased using ring flange, substitutes traditional gasket, installation side
Just and it is not easy to fall off；Ring flange other faces in addition to contact surface are set as arc, without the dead angle for depositing ash and bacterium, convenient for cleaning；
Seal groove is offered on ring flange, inclined-plane is arranged in slot medial surface, and gasket is adapted to seal groove, and contact of the gasket with inclined-plane
The contact surface of face and parts is disposed as to the inclined cooperation inclined-plane in stud side, when screw head rotation, ring flange crush seal
When pad, gasket is squeezed outside expansion close to the cooperation inclined-plane of stud side, and dilation pushes the inclined-plane of gasket more
Closely it is fitted on the inclined-plane on seal groove, sealing effect is more preferable, and seamless, and no bacterium remains dead angle, can contact food,
Safety and sanitation, waterproof seal is good, and junction ageing resistance is strong.
Description of the drawings
The attachment structure schematic diagram one of Fig. 1 the utility model；
Fig. 2 is screw head, the attachment structure schematic diagram of ring flange and stud；
Fig. 3 is the connection structure sectional view of screw head, ring flange and stud；
Fig. 4 is that the partial enlargement of part A in Fig. 3 is intended to；
The sectional view of Fig. 5 gaskets；
Fig. 6, which is the part of part B in Fig. 5, to scheme greatly；
Fig. 7 is the attachment structure schematic diagram two of the utility model；
Fig. 8 is the overall structure diagram of fastening nut；
Fig. 9 is the half sectional view of fastening nut；
Figure 10 is the partial enlarged view of C portion in Fig. 9.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described further the utility model.
The objective of the utility model is to solve the problems, such as food safety and sanitation, reduces bacteria breed point, accomplish bacterium colony storage
It is minimized.
Embodiment 1
As shown in Fig. 1,2,3,4,5,6, a kind of waterproofing fastening piece that can solve food-safety problem, including screw head 1, with
The stud 2 that screw head 1 connects, when merely using stud 1, i.e., when coordinating without nut on stud 1, the end being connect with stud 1 zero
Part 22 must be provided with threaded hole, and to fasten, the screw head 1 is any one in oval type or hexagon, at the end of screw head 1
Portion offers any one groove in "-" type, cross or polygon, and groove does not provide in figure, in field of less demanding
It closes, screw head 1 does not increase groove, and when higher to application requirements, increasing groove can lead to when can prevent 1 shape of screw head by destroying
It crosses groove and realizes whole dismounting；
The stud 2 is threadedly coupled with parts 3,22, and ring flange 4, the method are equipped between the screw head 1 and stud 2
The junction of blue disk 4 and screw head 1 and stud 2 is respectively provided in the arc-shaped, and seal groove 5, the stud are offered on the ring flange 4
The gasket 6 coordinated with seal groove 5 is arranged on 2, the gasket 6 is round table-like, and the ring flange 4 is non-with gasket 6
Contact surface is set as arcwall face 7, and the contact surface of ring flange 4 and gasket 6 is set as plane 8, and plane 8 is equipped with locking protrusion
24；The seal groove 5 is opened at the arcwall face 7 of ring flange 4 and the joint angle of plane 8, and the seal groove 5 was along ring flange 4 weeks
To setting, the seal groove 5 is set as inclined-plane 9 close to screw head side, and being equipped in seal groove 5 prevents gasket 6 to be detached from seal groove 5
Protrusion 10；Gasket 6 is less than the contact surface size of gasket 6 and parts 3 with the size of the contact surface on inclined-plane 9, described close
The contact surface on packing 6 and inclined-plane 9 and with the contact surfaces of parts 3 be disposed as to the inclined cooperation inclined-plane 11 in 2 side of stud,
12, gasket 6 with offered on the contact surface of parts 3 and 10 mating groove 13 that is adapted to of protrusion；
When rotation screw head 1,4 crush seal of ring flange pad 6 when, gasket 6 close to 2 side of stud cooperation inclined-plane 13 by squeeze
Press to outer expansion, on the inclined-plane 9 being fitted on seal groove 5 that dilation pushes the cooperation inclined-plane 12 of gasket 6 even closer,
Sealing effect is more preferable, and seamless, and no bacterium remains dead angle, can contact food, safety and sanitation.
Embodiment 2
As shown in Fig. 7,8,9,10, difference from Example 1 is：When the parts 22 of connection are relatively thin or only through-hole
When unthreaded hole, or when parts 22 and 3 two sides of parts are required to do health and water-proofing treatment, increase fastening nut
15, i.e., pass through the external part of parts to be threaded with fastening nut 15 in the stud 2, in fastening nut 15 and parts 22
Contact surface at be equipped with the baffle 16 that is connect with fastening nut 15, offer slot 17 on the baffle 16, be arranged on stud 2
The non-contact face of the gasket 18 coordinated with slot 17, the baffle 16 and gasket 18 is set as arcwall face 19, baffle 16 and gasket 18
Contact surface be set as plane 20, plane 20 is equipped with locking raised 25；
The slot 17 is opened at the arcwall face 19 of baffle 16 and the joint angle of plane 20, and the slot 17 is circumferential along baffle 16
Setting, the slot 17 are set as inclined-plane 21, the limit for preventing 18 releasing slots 17 of gasket being equipped in slot 17 close to 15 side of fastening nut
Position protrusion 23, gasket 18 is identical as 6 structure of gasket.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of waterproofing fastening piece that can solve food-safety problem, it is characterised in that：The spiral shell being connect including screw head, with screw head
Column, the stud are threadedly coupled with parts, and ring flange is equipped between the screw head and stud, is offered on the ring flange close
Sealing groove is arranged with the gasket coordinated with seal groove on the stud.
2. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 1, it is characterised in that：It is described
The non-contact face of ring flange and gasket is set as arcwall face, and the contact surface of ring flange and gasket is set as plane, in plane
Equipped with locking protrusion.
3. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 2, it is characterised in that：It is described
Seal groove is opened at the arcwall face of ring flange and the joint angle of plane, and the seal groove is circumferentially disposed along ring flange, described close
Sealing groove is set as inclined-plane, the protrusion for preventing gasket to be detached from seal groove being equipped in seal groove close to screw head side.
4. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 3, it is characterised in that：It is described
Gasket is round table-like, and the size of the contact surface on gasket and inclined-plane is less than the contact surface size of gasket and parts, described
It the contact surface on gasket and inclined-plane and is disposed as to the inclined cooperation inclined-plane in stud side, gasket with the contact surface of parts
With offered on the contact surface of parts and the mating groove that is adapted to of protrusion.
5. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 1, it is characterised in that：It is described
Screw head is any one in oval type or hexagon.
6. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 1, it is characterised in that：In spiral shell
The end of head offers any one groove in "-" type, cross or polygon.
7. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 1, it is characterised in that：It is described
The junction of ring flange and screw head and stud is respectively provided in the arc-shaped.
8. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 1, it is characterised in that：It is described
Stud pass through parts external part be threaded with fastening nut, at the contact surface of fastening nut and parts be equipped with it is tight
Gu the baffle of nut connection, offers slot on the baffle, be arranged with gasket coordinate with slot on stud, the baffle with pad
The non-contact face of piece is set as arcwall face, and the contact surface of baffle and gasket is set as plane, and plane is equipped with locking protrusion.
9. a kind of waterproofing fastening piece that can solve food-safety problem according to claim 8, it is characterised in that：It is described
Slot is opened at the arcwall face of baffle and the joint angle of plane, and the slot is circumferentially disposed along baffle, and the slot is close to fastening nut
Side is set as inclined-plane, the limit protrusion for preventing gasket releasing slots being equipped in slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721781922.6U CN207715519U (en) | 2017-12-19 | 2017-12-19 | A kind of waterproofing fastening piece that can solve food-safety problem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721781922.6U CN207715519U (en) | 2017-12-19 | 2017-12-19 | A kind of waterproofing fastening piece that can solve food-safety problem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715519U true CN207715519U (en) | 2018-08-10 |
Family
ID=63056361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721781922.6U Active CN207715519U (en) | 2017-12-19 | 2017-12-19 | A kind of waterproofing fastening piece that can solve food-safety problem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483528A (en) * | 2019-09-12 | 2021-03-12 | 陈韦志 | Strengthen leakproofness integrated into one piece's screw head |
-
2017
- 2017-12-19 CN CN201721781922.6U patent/CN207715519U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483528A (en) * | 2019-09-12 | 2021-03-12 | 陈韦志 | Strengthen leakproofness integrated into one piece's screw head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207715519U (en) | A kind of waterproofing fastening piece that can solve food-safety problem | |
| CN201723870U (en) | Sealless oil pipe joint | |
| CN203856541U (en) | Sump oil discharge screw plug | |
| CN205244587U (en) | Seal structure on ball valve | |
| CN207961233U (en) | A kind of bolt protective lid of metal material | |
| CN211821175U (en) | Hydraulic engineering pipeline connecting device | |
| CN204082866U (en) | A kind of antirust bolt | |
| CN205689544U (en) | Enamel assembling tank bolted-on structure | |
| CN207364022U (en) | A kind of connection structure of color steel | |
| CN203757161U (en) | Packing box and valve connecting and sealing structure | |
| CN2932009Y (en) | Connecting pipe | |
| CN205896251U (en) | High temperature ball valve that floats sealed firmly | |
| CN210178731U (en) | Bolt and nut assembly with rust-proof function | |
| CN208252558U (en) | A kind of flange Ball faced nut | |
| CN2472014Y (en) | Stop valve | |
| CN209041748U (en) | A kind of stem connector with Gas-making Furnace hydraulic valve stuffing box structure | |
| CN201531693U (en) | Flange seal gasket | |
| CN203023507U (en) | Separating angle shutoff/throttling valve | |
| CN205190485U (en) | A locking sealing bolt structure for on derailleur | |
| CN217682715U (en) | Double-sealing screw structure | |
| CN105041823A (en) | High-strength hexagonal nut | |
| CN203585392U (en) | Pneumatic deslagging valve | |
| CN209469683U (en) | A kind of combined labyrinth and carbon gland screw | |
| CN204203136U (en) | Ash melting tester and combustion chamber stationary installation thereof | |
| CN210268785U (en) | Opposite cutting type piston type stainless steel water meter shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |