CN102364194A - Food-grade pipe joint - Google Patents
Food-grade pipe joint Download PDFInfo
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- CN102364194A CN102364194A CN2011102925465A CN201110292546A CN102364194A CN 102364194 A CN102364194 A CN 102364194A CN 2011102925465 A CN2011102925465 A CN 2011102925465A CN 201110292546 A CN201110292546 A CN 201110292546A CN 102364194 A CN102364194 A CN 102364194A
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- shell
- food
- pipe joint
- seal ring
- opening
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Abstract
The invention discloses a food-grade pipe joint, which is used for connecting of food processing equipment pipelines and comprises a casing, fastening devices and a sealing ring, wherein the casing is a cylindrical casing; a cylindrical surface of the casing is axially broken off to form an opening; the fastening devices for tightening and locking the opening are arranged on the casing parts at two sides of the opening; the sealing ring is nested in the casing; the outer wall of the sealing ring is supported against the inner wall of the casing; a sealing lip ring which is radially protruded inwards is integrally formed in the middle of the inner wall of the sealing ring; the surface on the inner wall of the sealing ring is smooth; and the joined part of the sealing lip ring with the sealing ring is in circular arc transitional connection. The sealing ring of the food-grade pipe joint disclosed by the invention is made of smooth silicon rubber material without a dead angle; the phenomenon that food is detained in the pipe joint during the producing and processing processes of the food is effectively prevented; food contamination, bacterial breeding and the like resulted from the phenomenon are avoided; and the food-grade pipe joint has the advantages of simple structure, safety, sanitation and convenience in use.
Description
Technical field
The invention belongs to the pipe joint field, relate in particular to a kind of pipe joint that is applicable under the food-grade hygienic conditions.
Background technique
The pipe joint of existing technology comprises shell, securing means and seal ring.Wherein shell adopts monolithic construction, and shell has the axially open of a predetermined gap.Seal ring is positioned at this shell, and wherein the outer wall of seal ring is close to the inwall of this shell.Securing means is positioned on this shell; Be used for fastening this shell; When securing means tightened, the gap at the axially open place of shell dwindled, and made shell form radially inner chucking power to the seal ring in the shell; Thereby make shell fastened, and and then make the inwall of seal ring shrink the outer wall realization sealing that is placed on its inner pipe with clamping.But present pipe joint in order to realize sealed against leakage, forms seal lip ring on the seal ring, the existence of seal lip ring can produce a lot of dead angles, and easy residual food product is located at the dead angle, and harmful matters such as easy breed bacteria can't guarantee food sanitation safe.
Summary of the invention
In view of the defective that above-mentioned existing technology exists, the objective of the invention is to propose a kind of pipe joint that is applicable to that the no dead angle under the food-grade hygienic conditions, zero is detained.
The object of the invention will be achieved through following technological scheme:
A kind of food-grade pipe joint is used for the connection of food processing plant pipeline, comprises shell, and securing means and seal ring, said shell are cylindrical housings, axially breaks off on the cylndrical surface of said shell forming opening; The shell of said opening both sides is provided with the securing means that is used to tighten up the locking opening; Said seal ring is nested in the said shell; The inwall butt of the outer wall of said seal ring and said shell; The inwall of said seal ring middle part is one-body molded to have radially the seal lip ring to inner process; The inner wall surface of said seal ring is smooth, and said seal lip ring is circular-arc transition with the seal ring joining place and is connected.
Preferably, above-mentioned food-grade pipe joint, wherein: said shell two ends radially inwardly are provided with retaining wall, the internal surface butt of the end face of said seal ring and said retaining wall.
Preferably, above-mentioned food-grade pipe joint, wherein: the end face of said seal ring is inside inclined end face; Be provided with the card article that is used to tighten pipeline between said retaining wall and the seal ring, said card article is the tapered collar band shape with fracture, and said card article has interior edge face and exterior edge face, and said interior edge face is a tooth-shape structure, and its diameter is less than the diameter of exterior edge face; The exterior edge face of said card article and said retaining wall butt, the inclined end face butt of the interior edge face of said card article and said seal ring.
Preferably, above-mentioned food-grade pipe joint, wherein: said securing means comprises a pair of lug that lays respectively on the shell of opening both sides, and said lug is outwards to be bent to form from opening by shell, and the end of bending part is fixed on the shell; The bending place of each lug is symmetrically arranged with at least 1 positioning hole respectively; Be equipped with round steel in each lug respectively, offer on the said round steel and said positioning hole respective threads hole; One stay bolt is horizontally through corresponding positioning hole and tapped hole and fixes to clamp.
Preferably, above-mentioned food-grade pipe joint, wherein: said securing means comprises a pair of lug that lays respectively on the shell of opening both sides, and said lug is outwards to be bent to form from opening by shell, and the end of bending part is fixed on the shell; The bending place of each lug is symmetrically arranged with at least 1 positioning hole respectively; Be equipped with latch in each lug respectively, offer on the said latch and the corresponding jack of said positioning hole; One stay bolt is horizontally through corresponding positioning hole and jack, and fixes to clamp through nut engaged.
Preferably, above-mentioned food-grade pipe joint, wherein: the end of the bending part of said lug is through being fixedly welded on the shell.
Preferably, above-mentioned food-grade pipe joint, wherein: also comprise the bridge of joining of the opening that is used to seal said shell, a said end of joining bridge is connected with the inwall of opening one side of shell, and the other end is a free end.
Preferably, above-mentioned food-grade pipe joint, wherein: said seal ring is a silicone rubber material.
The seal ring employing of food-grade pipe joint of the present invention is smooth, the silicone rubber material at no dead angle; Prevent that effectively food is trapped in the pipe joint in process of manufacture, and problem such as the food pollution that causes thus, bacteria breed, simple in structure; Safety and sanitary, easy to use.
Following constipation closes embodiment's accompanying drawing, and specific embodiments of the invention is done further to detail, so that technological scheme of the present invention is easier to understand, grasp.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the plan view of the embodiment of the invention 1;
Fig. 3 is the sectional view of the embodiment of the invention 1.
Embodiment
Embodiment 1:
A kind of food-grade pipe joint of present embodiment is used for the connection of food processing plant pipeline, like Fig. 1 ~ shown in Figure 3, comprises shell 1, securing means 2 and seal ring 3, and shell 1 be a cylindrical housings, axially breaks off formation opening 4 on the cylndrical surface of shell 1; The shell 1 of opening 4 both sides is provided with the securing means 2 that is used to tighten up locking opening 4; Seal ring 3 is nested in the shell 1, and seal ring 3 is a silicone rubber material.The inwall butt of the outer wall of seal ring 3 and shell 1, the inwall middle part of seal ring 3 is one-body molded to be had radially to the seal lip ring 31 of inner process, and the inner wall surface of seal ring 3 is smooth, and seal lip ring 31 is circular-arc transition with seal ring 3 joining places and is connected.Shell 1 two ends radially inwardly are provided with retaining wall 5, the internal surface butt of the end face of seal ring 3 and retaining wall 5.The end face of seal ring 3 is inside inclined end face; Be provided with the card article 6 that is used to tighten pipeline between retaining wall 5 and the seal ring 3, card article 6 is banded for the tapered collar with fracture, and card article 6 has interior edge face and exterior edge face, and interior edge face is a tooth-shape structure, and its diameter is less than the diameter of exterior edge face; The exterior edge face of card article 6 and retaining wall 5 butts, the inclined end face butt of the interior edge face of card article 6 and seal ring 3.Securing means 2 comprises a pair of lug 7 that lays respectively on the shell of opening both sides, and lug 7 is outwards to be bent to form from opening 4 places by shell 1, and the end of bending part is through being fixedly welded on the shell 1; The bending place of each lug 7 is symmetrically arranged with 1 positioning hole 8 respectively; Be equipped with round steel 9 respectively in each lug 7, offer on the round steel 9 and positioning hole 8 respective threads holes 10; Stay bolt 11 is horizontally through corresponding positioning hole 8 and tapped hole 10, thereby fixes to clamp opening 4.What also comprise the opening 4 that is used for closed casing 1 joins bridge 12, and an end of joining bridge 12 is connected with the inwall of opening 4 one sides of shell 1, and the other end is a free end.
The seal ring 3 of the food-grade pipe joint of present embodiment adopts silicone rubber material smooth, no dead angle; Prevent that effectively food is trapped in the pipe joint in process of manufacture, and problem such as the food pollution that causes thus, bacteria breed, simple in structure; Safety and sanitary, easy to use.
The present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming all drop within protection scope of the present invention.
Claims (8)
1. a food-grade pipe joint is used for the connection of food processing plant pipeline, comprises shell, and securing means and seal ring is characterized in that: said shell is a cylindrical housings, axially breaks off on the cylndrical surface of said shell forming opening; The shell of said opening both sides is provided with the securing means that is used to tighten up the locking opening; Said seal ring is nested in the said shell; The inwall butt of the outer wall of said seal ring and said shell; The inwall of said seal ring middle part is one-body molded to have radially the seal lip ring to inner process; The inner wall surface of said seal ring is smooth, and said seal lip ring is circular-arc transition with the seal ring joining place and is connected.
2. food-grade pipe joint according to claim 1 is characterized in that: said shell two ends radially inwardly are provided with retaining wall, the internal surface butt of the end face of said seal ring and said retaining wall.
3. food-grade pipe joint according to claim 2 is characterized in that: the end face of said seal ring is inside inclined end face; Be provided with the card article that is used to tighten pipeline between said retaining wall and the seal ring, said card article is the tapered collar band shape with fracture, and said card article has interior edge face and exterior edge face, and said interior edge face is a tooth-shape structure, and its diameter is less than the diameter of exterior edge face; The exterior edge face of said card article and said retaining wall butt, the inclined end face butt of the interior edge face of said card article and said seal ring.
4. food-grade pipe joint according to claim 1; It is characterized in that: said securing means comprises a pair of lug that lays respectively on the shell of opening both sides; Said lug is outwards to be bent to form from opening by shell, and the end of bending part is fixed on the shell; The bending place of each lug is symmetrically arranged with at least 1 positioning hole respectively; Be equipped with round steel in each lug respectively, offer on the said round steel and said positioning hole respective threads hole; One stay bolt is horizontally through corresponding positioning hole and tapped hole and fixes to clamp.
5. food-grade pipe joint according to claim 1; It is characterized in that: said securing means comprises a pair of lug that lays respectively on the shell of opening both sides; Said lug is outwards to be bent to form from opening by shell, and the end of bending part is fixed on the shell; The bending place of each lug is symmetrically arranged with at least 1 positioning hole respectively; Be equipped with latch in each lug respectively, offer on the said latch and the corresponding jack of said positioning hole; One stay bolt is horizontally through corresponding positioning hole and jack, and fixes to clamp through nut engaged.
6. according to claim 4 or 5 described arbitrary food-grade pipe joints, it is characterized in that: the end of the bending part of said lug is through being fixedly welded on the shell.
7. food-grade pipe joint according to claim 1 is characterized in that: also comprise the bridge of joining of the opening that is used to seal said shell, a said end of joining bridge is connected with the inwall of opening one side of shell, and the other end is a free end.
8. food-grade pipe joint according to claim 1 is characterized in that: said seal ring is a silicone rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102925465A CN102364194A (en) | 2011-09-30 | 2011-09-30 | Food-grade pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102925465A CN102364194A (en) | 2011-09-30 | 2011-09-30 | Food-grade pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102364194A true CN102364194A (en) | 2012-02-29 |
Family
ID=45690776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102925465A Pending CN102364194A (en) | 2011-09-30 | 2011-09-30 | Food-grade pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102364194A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159528A (en) * | 1995-09-13 | 1997-09-17 | 株式会社便宽 | Pipe joint |
| CN1296558A (en) * | 1998-04-07 | 2001-05-23 | 绥金+肯尼迪有限公司 | Breech lock fitting joint |
| US6312025B1 (en) * | 1999-04-30 | 2001-11-06 | Sikla Gmbh & Co. Kg | Pipe coupling |
| CN201162910Y (en) * | 2007-11-13 | 2008-12-10 | 苏州工业园区斯特劳勃管接头有限公司 | Seal pipe joint and its housing |
| CN202302415U (en) * | 2011-09-30 | 2012-07-04 | 苏州捷英特管道技术有限公司 | Food-grade pipe connector |
-
2011
- 2011-09-30 CN CN2011102925465A patent/CN102364194A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159528A (en) * | 1995-09-13 | 1997-09-17 | 株式会社便宽 | Pipe joint |
| CN1296558A (en) * | 1998-04-07 | 2001-05-23 | 绥金+肯尼迪有限公司 | Breech lock fitting joint |
| US6312025B1 (en) * | 1999-04-30 | 2001-11-06 | Sikla Gmbh & Co. Kg | Pipe coupling |
| CN201162910Y (en) * | 2007-11-13 | 2008-12-10 | 苏州工业园区斯特劳勃管接头有限公司 | Seal pipe joint and its housing |
| CN202302415U (en) * | 2011-09-30 | 2012-07-04 | 苏州捷英特管道技术有限公司 | Food-grade pipe connector |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20120229 |