CN209622251U - Valve or pipe fitting joint structure - Google Patents
Valve or pipe fitting joint structure Download PDFInfo
- Publication number
- CN209622251U CN209622251U CN201920330760.7U CN201920330760U CN209622251U CN 209622251 U CN209622251 U CN 209622251U CN 201920330760 U CN201920330760 U CN 201920330760U CN 209622251 U CN209622251 U CN 209622251U
- Authority
- CN
- China
- Prior art keywords
- adapter body
- circlip
- joint structure
- slot
- pipe fitting
- 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
- Valve Housings (AREA)
Abstract
The utility model provides a kind of valve or pipe fitting joint structure, belongs to technical field of valve manufacturing.It solves the problems such as existing joint structure sealing is bad.This valve or pipe fitting joint structure include adapter body, active cap, circlip and sealing ring, the inner wall of active cap has internal screw thread and annular slot, annular slot make active cap one end formed for circlip against butting section, circlip is placed in adapter body and circlip is located in annular slot, sealing ring is located in active cap and contacts at the end face of adapter body, the end of adapter body has the retaining ring of a circle diameter convex, the end face of retaining ring is in the end face of adapter body, retaining ring and adapter body are coaxially disposed, the internal diameter of butting section is equal to or more than the internal diameter of internal screw thread, circlip is between retaining ring and butting section.The utility model has many advantages, such as good airproof performance, easy to process.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, is related to a kind of joint structure, in particular to a kind of valve or pipe
Part joint structure.
Background technique
Currently, generally can all connect and live in the interface of valve or pipe fitting in order to facilitate valve or pipe fitting and piping connection
Connect cap.All realize the snap lock of interface Yu loose joint cap using circlip substantially now, but there are circlips from the limit of connector
The phenomenon that being skidded off in slot and loose joint cap caused to fall off.
In view of the above problems, the movable circlip that people devise a kind of valve interface locks connection structure and Shen
Please patent [application number: 201220246409.8；Authorization Notice No.: CN202561254U] comprising circlip, active cap and position
In the limiting slot on valve interface, active cap sleeve is set on valve interface, and inner hole one end of active cap is equipped with an annular slot, ring
Shape card slot is two step grooves, wherein slot of getting out of a predicament or an embarrassing situation is assembly mounting groove, top bar slot is engaging locating slot, the bottom of top bar slot
For straight wall structure, the lateral surface of top bar slot is skew wall structure.
The movable circlip locking connection structure of above-mentioned valve interface by the setting of top bar slot so that active cap with
Pipeline can effectively lock circlip when screwing locking, and circlip is avoided to fall off, but the setting of limiting slot increases manufacturing procedure, and
Inner wall at active cap rear end protrudes from the setting of active cap internal screw thread so that interface outer wall to be reserved between active cap inner wall compared with
Wide arc gap, tightens active cap and will lead to sealing ring and be caught between internal screw thread and interface, causes sealing effect bad, or even cause close
Seal is damaged and leads to seal failure.
Summary of the invention
The purpose of this utility model is provided and a kind of facilitates processing and close for the above-mentioned problems in the prior art
Seal effect good valve or pipe fitting joint structure.
The purpose of this utility model can be realized by the following technical scheme: a kind of valve or pipe fitting joint structure, packet
Adapter body, active cap, circlip and sealing ring are included, the inner wall of the active cap has internal screw thread and annular slot, described
Annular slot make active cap one end formed for circlip against butting section, the circlip is placed in adapter body and circlip position
In annular slot, the sealing ring is located in active cap and contacts at the end face of adapter body, which is characterized in that described
The end of adapter body has the retaining ring of a circle diameter convex, and the end face of the retaining ring is in the end face of adapter body, institute
The retaining ring and adapter body stated are coaxially disposed, and the internal diameter of the butting section is equal to or more than the internal diameter of internal screw thread, the card
Spring is between retaining ring and butting section.
In above-mentioned valve or pipe fitting joint structure, inner wall of end of the adapter body in retaining ring side has one
The flange collar radially protruded is enclosed, the end face of the flange collar is in the end face of adapter body.Flange collar increases adapter body
The contact area of sealing ring, i.e. sealing area are increased in end face, improve leakproofness.
In above-mentioned valve or pipe fitting joint structure, the adapter body has the cunning for active cap axial displacement
Dynamic section and adapter body have the shoulder block of diameter convex, when the end of active cap contacts at shoulder block described in sealing ring outer end
It shows and is arranged for active cap.When installation, active cap is displaced along glissile segment axially away from retaining ring, until active cap end contacts at
Shoulder block, active cap will not block sealing ring at this time, need tube end face to be mounted that can directly connect with the outer end face of sealing ring in this way
Touching, avoids sealing ring from deviating, and is later again displaced active cap to tighten to retaining ring side, simple installation, and sealing effect is good.
In above-mentioned valve or pipe fitting joint structure, the annular slot includes the slot and upper of getting out of a predicament or an embarrassing situation connected
Step groove, it is described to get out of a predicament or an embarrassing situation slot position between internal screw thread and top bar slot and the groove depth for slot of getting out of a predicament or an embarrassing situation is greater than the slot of top bar slot
It is deep, when circlip is inserted in adapter body described in slot of getting out of a predicament or an embarrassing situation be embedded in for circlip, when circlip is between retaining ring and butting section
The top bar slot is embedded in for circlip.
In above-mentioned valve or pipe fitting joint structure, the top bar slot for circlip against cell wall, get out of a predicament or an embarrassing situation
Three planes locating for two cell walls of slot are parallel to each other, the axis of the active cap perpendicular to top bar slot for circlip against
Plane locating for cell wall.It is easy to process in this way, and after active cap is tightened, the cell wall of top bar slot effectively supports circlip, no
It will cause sliding, circlip is locked between retaining ring and butting section, prevents circlip and falls off in use.
In above-mentioned valve or pipe fitting joint structure, the active cap encloses side far from the end of internal screw thread in the inner
Edge is machined with chamfering or fillet.Chamfering or fillet in this way plays guiding role, enters adapter body convenient for active cap sleeve.
In above-mentioned valve or pipe fitting joint structure, the one end of the adapter body far from retaining ring is to be threadedly coupled
End.Threaded ends can be external screw thread or internal screw thread so that it is convenient to which adapter body is connected to valve or pipe fitting.
In above-mentioned valve or pipe fitting joint structure, the outer wall of the adapter body has positive the six of radially protruding
Arris, positive six arris and adapter body are coaxially disposed.Positive six arris facilitates outer hexagonal spanner to use, so that adapter body
It is easy to assembly.
As another situation, in above-mentioned valve or pipe fitting joint structure, have just in the adapter body
Six is lateral opening, and described positive six are lateral opening to be coaxially disposed with adapter body.
Compared with prior art, this valve or pipe fitting are easy to process with joint structure center tap main body, easy to assembly, circlip
It will not fall off, the contact area of adapter body and sealing ring is big, is avoided that between sealing ring insertion internal screw thread and retaining ring, sealing ring
It is hardly damaged, long service life, sealing effect is good.
Detailed description of the invention
Fig. 1 is the cross-sectional view of this valve or pipe fitting joint structure.
Fig. 2 is the schematic enlarged-scale view in Fig. 1 at circle A.
Fig. 3 is the cross-sectional view of this valve or pipe fitting joint structure in embodiment 2.
In figure, 1, adapter body；1a, retaining ring；1b, flange collar；1c, threaded ends；1d, positive six arris；1e, positive six side
Hole；1f, glissile segment；1g, shoulder block；2, active cap；2a, internal screw thread；2b, butting section；2c, chamfering；3, circlip；4, sealing ring；5,
It gets out of a predicament or an embarrassing situation slot；6, top bar slot.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment 1
As shown in Figure 1, this valve or pipe fitting joint structure include adapter body 1, active cap 2, circlip 3 and sealing ring 4,
The inner wall of active cap 2 has internal screw thread 2a and an annular slot, annular slot make active 2 one end of cap formed for circlip 3 against
Butting section 2b, circlip 3 is placed in adapter body 1 and circlip 3 is located in annular slot, and sealing ring 4 is located in active cap 2 and contradicts
In the end face of adapter body 1, the end of adapter body 1 has a retaining ring 1a of a circle diameter convex, the end face of retaining ring 1a in
The end face of adapter body 1, retaining ring 1a and adapter body 1 are coaxially disposed, and the internal diameter of butting section 2b is equal to or more than internal screw thread 2a's
Internal diameter, circlip 3 is between retaining ring 1a and butting section 2b.Gap between the outer wall and internal screw thread 2a of retaining ring 1a is generally 0.1-
0.8mm, the internal diameter of butting section 2b is equal to the internal diameter of internal screw thread 2a in the present embodiment, between the outer wall and internal screw thread 2a of retaining ring 1a
Gap is 0.2mm, and the gap between the outer wall and internal screw thread 2a of certain retaining ring 1a can suitably increase according to practical manufacturing situation, gear
Enclose 1a outer wall and internal screw thread 2a between gap increase also to guarantee sealing ring 4 will not be embedded in retaining ring 1a and internal screw thread 2a it
Between.
It further describes in detail, the flange collar 1b that there is inner wall of end of the adapter body 1 in the side retaining ring 1a a circle radially to protrude,
The end face of flange collar 1b is in the end face of adapter body 1.As shown in Fig. 2, annular slot includes the slot 5 and upper of getting out of a predicament or an embarrassing situation connected
Step groove 6, gets out of a predicament or an embarrassing situation slot 5 between internal screw thread 2a and top bar slot 6 and the groove depth for slot 5 of getting out of a predicament or an embarrassing situation is greater than top bar slot 6
Groove depth, when circlip 3 is inserted in adapter body 1, slot 5 of getting out of a predicament or an embarrassing situation is embedded in for circlip 3, when circlip 3 is located at retaining ring 1a and butting section 2b
Between when, top bar slot 6 for circlip 3 be embedded in.Top bar slot 6 for circlip 3 against cell wall, get out of a predicament or an embarrassing situation locating for two cell walls of slot 5
Three planes be parallel to each other, the axis of active cap 2 perpendicular to top bar slot 6 for circlip 3 against cell wall locating for plane.
In order to facilitate assembly, active end of the cap 2 far from internal screw thread 2a encloses edge in the inner and is machined with chamfering 2c, certainly real
Chamfering 2c can be substituted by fillet when border manufactures；In order to which adapter body 1 is easy to connect, the one end of adapter body 1 far from retaining ring 1a is
Threaded ends 1c, threaded ends 1c is external screw thread in the present embodiment；In order to facilitate assembly, the outer wall of adapter body 1 has
The positive six arris 1d of radially protruding, positive six arris 1d and adapter body 1 are coaxially disposed.Adapter body 1 has axial for active cap 2
The glissile segment 1f and adapter body 1 of displacement have the shoulder block 1g of diameter convex, when the end of active cap 2 contacts at shoulder block 1g,
The outer end face of sealing ring 4 is exposed to active cap 2 and is arranged, and the end of positive six arris 1d towards the side retaining ring 1a forms gear in the present embodiment
Shoulder 1g.
When assembly, circlip 3 is caught in slot 5 of getting out of a predicament or an embarrassing situation, later circlip 3 is supportted big and is connect by retaining ring 1a with being inserted in first
In head main body 1, then circlip 3 is shunk between retaining ring 1a and butting section 2b, and top bar slot 6 is embedded in for circlip 3, after assembly
Circlip 3 will not fall off from adapter body 1, circlip 3 is easy to assembly.It this valve or pipe fitting joint structure guide ring 1a and connects
Head main body 1 be integrally formed, without process as in the past for circlip 3 insertion positioning limiting slot, simplify process, convenient for plus
Work；Retaining ring 1a increases 1 end face of adapter body to the contact area of sealing ring 4, and retaining ring 1a also reduces 1 outer wall of adapter body extremely
Gap between active 2 inner wall of cap, flange collar 1b increase 1 end face of adapter body to the contact area of sealing ring 4, and sealing area increases
It is more, leakproofness is improved, gap is small between the outer wall and internal screw thread 2a of retaining ring 1a, and sealing ring 4 is avoided to be embedded in retaining ring 1a and interior spiral shell
Between line 2a, sealing ring 4 is hardly damaged, long service life, and sealing effect is good.
Embodiment 2
As shown in figure 3, the present embodiment is essentially identical with the structure and principle of embodiment 1, the difference is that this reality
Applying has positive six lateral opening 1e in a center tap main body 1, positive six lateral opening 1e and adapter body 1 are coaxially disposed, positive six in the present embodiment
Lateral opening 1e is set on flange collar 1b inner wall, and positive six lateral opening 1e facilitates allen wrench to use, so that adapter body 1 is easy to assembly.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of valve or pipe fitting joint structure, including adapter body (1), active cap (2), circlip (3) and sealing ring (4),
The inner wall of the active cap (2) has internal screw thread (2a) and annular slot, and the annular slot makes active cap (2) one end
Formed for circlip (3) against butting section (2b), the circlip (3) be placed on adapter body (1) and circlip (3) be located at annular
In card slot, the sealing ring (4) is located in active cap (2) and contacts at the end face of adapter body (1), which is characterized in that institute
The end for the adapter body (1) stated has a retaining ring (1a) of a circle diameter convex, and the end face of the retaining ring (1a) is in connecing
The end face of head main body (1), the retaining ring (1a) and adapter body (1) are coaxially disposed, the internal diameter etc. of the butting section (2b)
In or be greater than the internal diameter of internal screw thread (2a), the circlip (3) is located between retaining ring (1a) and butting section (2b).
2. valve according to claim 1 or pipe fitting joint structure, which is characterized in that the adapter body (1) in
The inner wall of end of the side retaining ring (1a) has the flange collar (1b) radially protruded of circle, the end face of the flange collar (1b) in
The end face of adapter body (1).
3. valve according to claim 1 or 2 or pipe fitting joint structure, which is characterized in that the adapter body (1)
With the glissile segment (1f) for active cap (2) axial displacement and adapter body (1) has the shoulder block (1g) of diameter convex, when active
The outer end face that the end of cap (2) contacts at the sealing ring (4) of shoulder block (1g) Shi Suoshu is exposed to active cap (2) setting.
4. valve according to claim 3 or pipe fitting joint structure, which is characterized in that the annular slot includes phase
The slot of getting out of a predicament or an embarrassing situation (5) and top bar slot (6) of handover, the slot of getting out of a predicament or an embarrassing situation (5) be located at internal screw thread (2a) and top bar slot (6) it
Between and slot of getting out of a predicament or an embarrassing situation (5) groove depth be greater than top bar slot (6) groove depth, when circlip (3) is inserted under adapter body (1) Shi Suoshu
Step groove (5) for circlip (3) be embedded in, when circlip (3) is located between retaining ring (1a) and butting section (2b) described in top bar slot
(6) it is embedded in for circlip (3).
5. valve according to claim 4 or pipe fitting joint structure, which is characterized in that the top bar slot (6) supplies
Circlip (3) against cell wall, slot of getting out of a predicament or an embarrassing situation (5) two cell walls locating for three planes be parallel to each other, the active cap (2)
Axis perpendicular to top bar slot (6) for circlip (3) against cell wall locating for plane.
6. valve according to claim 5 or pipe fitting joint structure, which is characterized in that the active cap (2) is separate
The end of internal screw thread (2a) encloses edge in the inner and is machined with chamfering (2c) or fillet.
7. valve according to claim 6 or pipe fitting joint structure, which is characterized in that the adapter body (1) is remote
One end from retaining ring (1a) is threaded ends (1c).
8. valve according to claim 7 or pipe fitting joint structure, which is characterized in that the adapter body (1)
Outer wall has positive six arris (1d) of radially protruding, and positive six arris (1d) and adapter body (1) are coaxially disposed.
9. valve according to claim 7 or pipe fitting joint structure, which is characterized in that in the adapter body (1)
With positive six lateral opening (1e), described positive six lateral opening (1e) and adapter body (1) are coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330760.7U CN209622251U (en) | 2019-03-15 | 2019-03-15 | Valve or pipe fitting joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330760.7U CN209622251U (en) | 2019-03-15 | 2019-03-15 | Valve or pipe fitting joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209622251U true CN209622251U (en) | 2019-11-12 |
Family
ID=68456883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920330760.7U Active CN209622251U (en) | 2019-03-15 | 2019-03-15 | Valve or pipe fitting joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209622251U (en) |
-
2019
- 2019-03-15 CN CN201920330760.7U patent/CN209622251U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6598908B1 (en) | Hydraulic fitting | |
| US5050841A (en) | Quick coupling including spherical valve | |
| US20080048440A1 (en) | Direct port connection for tubes | |
| CN209622251U (en) | Valve or pipe fitting joint structure | |
| US20090026760A1 (en) | Hose coupling assembly | |
| CN109114339B (en) | Anti-disassembly connector, connector assembly and air conditioner | |
| CN207049478U (en) | Waterpipe couplings | |
| CN112594410B (en) | Top entry valve rod type ball valve | |
| CN110043196A (en) | A kind of oil well pipe male connection end face seal coil structures and its assembly method | |
| CN202176841U (en) | Straight thread type pipeline connector | |
| CN209942756U (en) | Simple anti-over-torsion air-tight seal threaded joint | |
| CN110005894B (en) | External pipe joint and mounting method thereof | |
| CN112283470A (en) | Detachable pipe joint | |
| RU52968U1 (en) | POSITIONING PIPE EQUIPPED WITH CONNECTION TMK CS | |
| CN211344311U (en) | Anti-drop quick coupling | |
| CN218934347U (en) | Concave-convex arc interference fit sealing special threaded joint for oil sleeve | |
| CN214577275U (en) | Novel bypass valve structure of engine oil channel | |
| CN213089032U (en) | High leakproofness aluminium system union coupling | |
| CN218235291U (en) | Sealing structure and engine | |
| CN212838887U (en) | Screw cap for water meter pipe joint | |
| KR200346582Y1 (en) | The connecting construction for a fluid transfer pipe | |
| CN216078691U (en) | Flaring-free pipeline connecting structure | |
| CN217130595U (en) | Pipe joint assembly | |
| CN217272635U (en) | Hydraulic pipe sealing joint for hydraulic pipe assembly | |
| CN203892752U (en) | Integral type ferrule connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |