CN209725508U - Hydraulic fitting - Google Patents
Hydraulic fitting Download PDFInfo
- Publication number
- CN209725508U CN209725508U CN201920430414.6U CN201920430414U CN209725508U CN 209725508 U CN209725508 U CN 209725508U CN 201920430414 U CN201920430414 U CN 201920430414U CN 209725508 U CN209725508 U CN 209725508U
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- CN
- China
- Prior art keywords
- screw thread
- ontology
- tube connector
- influent stream
- stream pipe
- 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.)
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Abstract
The utility model provides a kind of hydraulic fitting, belongs to hydraulic fittings technical field.It is complex that it solves existing hydraulic fitting structure, the bad problem of sealing effect.This hydraulic fitting includes ontology, ontology is equipped with influent stream pipe fitting, outflow tube connector, influent stream pipe fitting and outflow tube connector axial direction Relative distribution and the rwo be interconnected, being provided between influent stream pipe fitting and outflow tube connector prevents influent stream pipe fitting, outflow tube connector from connecting the axially stop block of loosening on the body.The utility model is simple and compact for structure, easily manufactured, manufacturing cost is low and good airproof performance, long service life, anti-loosing effect are good.
Description
Technical field
The utility model belongs to hydraulic fittings technical field, is related to a kind of hydraulic fitting.
Background technique
Hydraulic fitting is mainly used for hydraulic tube transitions connection as the common accessory in hydraulic system, existing hydraulic
There is the case where loosening after pipe fitting connection.
For above-mentioned this case, people devise various locking hydraulic joints, some have also applied for patent, such as China
Patent number are as follows: a kind of locking hydraulic joint, specific structure are as follows: including female adapter described in " 201120297068.2 "
Body, the diameter of one end are less than the diameter of the other end, and the big other end of diameter has recessed concave surface；Male adapter body, one
The diameter at end is greater than the diameter of the other end, and the big one end of diameter has convex surface outstanding, and convex surface and concave surface cooperate to form sealing
Spherical surface；A pair of of flange is separately positioned on the big one end of the diameter of the big other end and male adapter body of diameter of female adapter body
On；Connector, for a pair of of flange to be incorporated in one.
Above-mentioned locking hydraulic joint is separate structure, is connected by flange and connector, and preferable locking effect can be played
Fruit, but its structure is complex, the leakproofness of junction is still not ideal enough.
Summary of the invention
The purpose of this utility model is that it is simple, anti-to provide a kind of structure for the above-mentioned problems in the prior art
Loose effect is good and the hydraulic fitting of good airproof performance.
The purpose of this utility model can be realized by the following technical scheme: a kind of hydraulic fitting, including ontology, described
Ontology be equipped with influent stream pipe fitting, outflow tube connector, the influent stream pipe fitting and outflow tube connector axial direction Relative distribution and
The rwo is interconnected, which is characterized in that being provided between the influent stream pipe fitting and outflow tube connector prevents influent stream pipe from connecing
Head, outflow tube connector connect the axially stop block of loosening on the body.
This hydraulic fitting is provided between influent stream pipe fitting and outflow tube connector makes influent stream pipe fitting, outflow tube connector
Axially stop block when being connect with ontology, and influent stream pipe fitting, outflow tube connector can be prevented by axially stop block
Connection loosens on the body, and connection structure is stablized, and influent stream pipe fitting, outflow tube connector is made to dock effect when connecting with ontology
It is good, long service life.
In above-mentioned hydraulic fitting, link slot one, the link slot are provided on the upper surface of the ontology
It is provided with internal screw thread on one cell wall, external screw thread, the outflow tube connector are provided on the outer wall of the outflow tube connector
It is connected to by external screw thread spiral on the internal screw thread of the link slot one of the ontology.The purpose being arranged in this way is to facilitate outflow tube
Connector is dismantled on the body, connects installation.
In above-mentioned hydraulic fitting, link slot two, the link slot are provided on the lower end surface of the ontology
It is provided with internal screw thread on two cell wall, external screw thread, the influent stream pipe fitting are provided on the outer wall of the influent stream pipe fitting
It is connected to by external screw thread spiral on the internal screw thread of the link slot two of the ontology.The purpose being arranged in this way is to facilitate influent stream pipe
Connector is dismantled on the body, connects installation.
In above-mentioned hydraulic fitting, the axially stop block includes the axial corresponding connection worn on the body
The upper end of pipe, the connecting tube is provided with external screw thread from the outer wall of the upper end of stretching and the connecting tube in link slot one, institute
Internal screw thread is provided on the inner wall for the outflow tube connector stated, the outflow tube connector is connected to connecting tube by internal screw thread spiral
External screw thread on, the lower end of the connecting tube in link slot two from stretching out and be provided on the outer wall of the lower end of the connecting tube outer
Screw thread is provided with internal screw thread on the inner wall of the influent stream pipe fitting, and the influent stream pipe fitting is connected by internal screw thread spiral
On the external screw thread of connecting tube.When outflow tube connector is threadedly coupled with connecting tube and the upper end of the connecting tube connects in outflow tube
In head, when influent stream pipe fitting is threadedly coupled with connecting tube and influent stream pipe fitting is stretched out in the lower end of the connecting tube.
In above-mentioned hydraulic fitting, on the outer wall of the upper end of the connecting tube there is undergauge to form axial limiting platform
The plug division of rank offers stepped hole on the ontology, and by plug division, axially correspondence is threaded through ontology to the connecting tube
Stepped hole in and the aperture of the axial limiting step stepped hole that is axially resisted against ontology at.The purpose being arranged in this way is to prevent
Connecting tube axial float on the body.
In above-mentioned hydraulic fitting, on the inner wall of the upper end of the outflow tube connector have gear ring, when go out flow
When pipe fitting is connected on the external screw thread of connecting tube by the internal screw thread spiral and upper surface of the connecting tube is axially against described
Gear ring lower end surface on, be additionally provided with elastic rubber ring between the gear ring and connecting tube.When outflow tube connector exists
Axial spacing when connecting tube spiral connects, and between the gear ring and connecting tube of the outflow tube connector reduces, can be to elastic rubber
Rubber ring causes elastic extruding, on outflow tube connector for connect hydraulic tube and the hydraulic tube and the inner wall of connecting tube against when will
It is squeezed and swelling by elastic rubber ring resilience, causes outflow tube connector and hydraulic pipe connecting structure to stablize, good airproof performance.
In above-mentioned hydraulic fitting, it is also provided with annular seal groove on the outer end face of the outflow tube connector, institute
Ring type seal is provided in the annular seal groove stated.The purpose being arranged in this way is when guaranteeing that outflow tube connector is connected with hydraulic tube
Sealing validity.
In above-mentioned hydraulic fitting, there is external thread section one and external thread section two, institute on the influent stream pipe fitting
The external thread section one and the external thread section two stated are spaced apart and are equipped with rubber between the rwo against ring, the outer spiral shell
Spiral is connected with screw-casing in line section one, and the screw-casing and rubber are equipped with ring washer and the ring washer between ring
Lower end surface on also have and prevent rubber from vertical enclosing portion against what ring compressional deformation deviated.The purpose being arranged in this way is to connect influent stream pipe
Head with hydraulic tube when connecting, good airproof performance, and connection structure is stablized, easy to use.
Compared with prior art, the simple and compact for structure, easily manufactured of this hydraulic fitting, manufacturing cost be low, Er Qiemi
Envelope property is good, and long service life, anti-loosing effect are good.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of this hydraulic fitting.
In figure, 1, ontology；2, influent stream pipe fitting；3, outflow tube connector；4, link slot one；5, link slot two；6, connecting tube；
7, plug division；8, gear ring；9, elastic rubber ring；10, annular seal groove；11, ring type seal；12, external thread section one；13,
External thread section two；14, rubber is against ring；15, screw-casing；16, ring washer；17, it stands and encloses portion.
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.
As shown in Figure 1, this hydraulic fitting is mainly made of ontology 1, ontology 1 is equipped with influent stream pipe fitting 2, outflow tube connects
First 3, in actually manufacture, the specific connection type of the outflow tube connector 3 and ontology 1 are as follows: the company of being provided on the upper surface of ontology 1
Access slot 1 is provided with internal screw thread on the cell wall of link slot 1, external screw thread, outflow tube is provided on the outer wall of outflow tube connector 3
Connector 3 is connected on the internal screw thread of the link slot 1 of the ontology 1 by external screw thread spiral；The influent stream pipe fitting 2 and ontology
1 specific connection type are as follows: be provided with link slot 25 on the lower end surface of ontology 1, interior spiral shell is provided on the cell wall of link slot 25
Line is provided with external screw thread on the outer wall of influent stream pipe fitting 2, and influent stream pipe fitting 2 is connected to the connection of ontology 1 by external screw thread spiral
On the internal screw thread of slot 25.
Influent stream pipe fitting 2 and outflow tube connector 3 it is axially opposing distribution and the rwo be interconnected, influent stream pipe fitting 2 and go out
The axial limiting dress for preventing influent stream pipe fitting 2, outflow tube connector 3 from connecting loosening on ontology 1 is provided between flow tube connector 3
It sets.
In actually manufacture, the specific embodiment of the axially stop block are as follows: ontology 1 is mainly threaded through by axial correspondence
On connecting tube 6 form, in practical application, the specific connection type of the connecting tube 6 and ontology 1 are as follows: the upper end of connecting tube 6
The plug division 7 of axial limiting step is formed on outer wall with undergauge, offers stepped hole on ontology 1, connecting tube 6 passes through plug division
7 axial direction correspondences are threaded through in the stepped hole of ontology 1 and the axial limiting step is axially resisted against the aperture of the stepped hole of ontology 1
Place.The upper end of connecting tube 6 is provided with external screw thread, outflow tube from the outer wall of the upper end of stretching and the connecting tube 6 in link slot 1
Internal screw thread is provided on the inner wall of connector 3, outflow tube connector 3 is connected on the external screw thread of connecting tube 6 by internal screw thread spiral, even
The lower end of adapter tube 6 is provided with external screw thread, influent stream pipe fitting 2 from the outer wall of the lower end of stretching and the connecting tube 6 in link slot 25
Inner wall on be provided with internal screw thread, influent stream pipe fitting 2 is connected on the external screw thread of connecting tube 6 by internal screw thread spiral.
In actual design in application, there is gear ring 8, when outflow tube connector 3 on the inner wall of the upper end of the outflow tube connector 3
When be connected on the external screw thread of connecting tube 6 by the internal screw thread spiral and upper surface of the connecting tube 6 is axially against in the gear
On the lower end surface of position ring 8, elastic rubber ring 9 is additionally provided between gear ring 8 and connecting tube 6；On the outer end face of outflow tube connector 3
It is also provided with annular seal groove 10, ring type seal 11 is provided in annular seal groove 10.
In actual design in application, having external thread section 1 and external thread section 2 13, external screw thread on the influent stream pipe fitting 2
Section 1 and external thread section 2 13, which are spaced apart and are equipped with rubber spiral on ring 14, external thread section 1 between the rwo, to be connected
It is connected to screw-casing 15, screw-casing 15 and rubber are equipped on ring washer 16 and the lower end surface of the ring washer 16 between ring 14
Also having prevents rubber from vertical enclosing portion 17 against what 14 compressional deformation of ring deviated.
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 (8)
1. a kind of hydraulic fitting, including ontology (1), the ontology (1) is equipped with influent stream pipe fitting (2), outflow tube connector
(3), the influent stream pipe fitting (2) and outflow tube connector (3) it is axially opposing distribution and the rwo be interconnected, feature exists
In being provided between the influent stream pipe fitting (2) and outflow tube connector (3) prevents influent stream pipe fitting (2), outflow tube connector
(3) axially stop block of loosening is connected on ontology (1).
2. hydraulic fitting according to claim 1, which is characterized in that be provided on the upper surface of the ontology (1)
Link slot one (4), is provided with internal screw thread on the cell wall of the link slot one (4), on the outer wall of the outflow tube connector (3)
It is provided with external screw thread, the outflow tube connector (3) is connected to the link slot one of the ontology (1) by external screw thread spiral
(4) on internal screw thread.
3. hydraulic fitting according to claim 2, which is characterized in that be provided on the lower end surface of the ontology (1)
Link slot two (5), is provided with internal screw thread on the cell wall of the link slot two (5), on the outer wall of the influent stream pipe fitting (2)
It is provided with external screw thread, the influent stream pipe fitting (2) is connected to the link slot two of the ontology (1) by external screw thread spiral
(5) on internal screw thread.
4. hydraulic fitting according to claim 3, which is characterized in that the axially stop block includes axial corresponding
The connecting tube (6) being threaded through on ontology (1), the upper end of the connecting tube (6) is stretched out from link slot one (4) and the connecting tube
(6) it is provided with external screw thread on the outer wall of upper end, is provided with internal screw thread on the inner wall of the outflow tube connector (3), it is described
Outflow tube connector (3) is connected on the external screw thread of connecting tube (6) by internal screw thread spiral, the lower end of the connecting tube (6) from
It is stretched out in link slot two (5) and is provided with external screw thread, the influent stream pipe fitting (2) on the outer wall of the lower end of the connecting tube (6)
Inner wall on be provided with internal screw thread, the influent stream pipe fitting (2) is connected to the external screw thread of connecting tube (6) by internal screw thread spiral
On.
5. hydraulic fitting according to claim 4, which is characterized in that on the outer wall of the upper end of the connecting tube (6)
The plug division (7) of axial limiting step is formed with undergauge, offers stepped hole, the connecting tube on the ontology (1)
(6) it is threaded through in the stepped hole of ontology (1) by plug division (7) axial correspondence and the axial limiting step is axially resisted against ontology
(1) at the aperture of stepped hole.
6. hydraulic fitting according to claim 5, which is characterized in that the upper end of the outflow tube connector (3) it is interior
On wall have gear ring (8), when outflow tube connector (3) is connected on the external screw thread of connecting tube (6) by internal screw thread spiral and
The upper surface of the connecting tube (6) is axially against on the lower end surface of the gear ring (8), the gear ring (8) and connection
Elastic rubber ring (9) are additionally provided between pipe (6).
7. hydraulic fitting according to claim 6, which is characterized in that on the outer end face of the outflow tube connector (3)
It is also provided with annular seal groove (10), is provided with ring type seal (11) in the annular seal groove (10).
8. hydraulic fitting according to claim 7, which is characterized in that have outer spiral shell on the influent stream pipe fitting (2)
Line section one (12) and external thread section two (13), the external thread section one (12) are spaced apart with the external thread section two (13)
And rubber spiral on ring (14), the external thread section one (12) is equipped between the rwo and is connected with screw-casing (15), institute
The screw-casing (15) stated and rubber are equipped on ring washer (16) and the lower end surface of the ring washer (16) between ring (14)
Also having prevents rubber from vertical enclosing portion (17) against what ring (14) compressional deformation deviated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430414.6U CN209725508U (en) | 2019-04-01 | 2019-04-01 | Hydraulic fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430414.6U CN209725508U (en) | 2019-04-01 | 2019-04-01 | Hydraulic fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725508U true CN209725508U (en) | 2019-12-03 |
Family
ID=68689833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920430414.6U Expired - Fee Related CN209725508U (en) | 2019-04-01 | 2019-04-01 | Hydraulic fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725508U (en) |
-
2019
- 2019-04-01 CN CN201920430414.6U patent/CN209725508U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |