CN208670368U - A kind of articulated joint - Google Patents
A kind of articulated joint Download PDFInfo
- Publication number
- CN208670368U CN208670368U CN201821440098.2U CN201821440098U CN208670368U CN 208670368 U CN208670368 U CN 208670368U CN 201821440098 U CN201821440098 U CN 201821440098U CN 208670368 U CN208670368 U CN 208670368U
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- CN
- China
- Prior art keywords
- link bolt
- fitting body
- screw rod
- connector
- rod
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- 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
A kind of articulated joint, including fitting body, link bolt, O-ring seal and combination mat, the fitting body is equipped with liquid outlet channel, link bolt is inserted in the fitting body, link bolt screw rod outer surface is set there are two groove, the groove is respectively arranged on and a fitting body left side, at right output port contact surface, it is equipped between O-ring seal and fitting body inner wall in the groove and forms sealing, the feed pathway that the link bolt screw rod is equipped with slanted channel and communicates with slanted channel, the slanted channel is connected to the liquid outlet channel that fitting body is equipped with, the link bolt screw rod is pierced by connector body end equipped with combination mat, it is equipped with the wedge angle formed by two oblique faces at the link bolt hexagonal inner face and fitting body end face is in close contact, buffer unit is equipped between the combination mat and fitting body right output port.The articulated joint of the utility model, structure is simple, using O-ring seal and the hard sealing of rigidity, is equipped with buffer unit, sealing effect is good, high reliablity.
Description
Technical field
The utility model relates to a kind of articulated joints.
Background technique
Existing hydraulic joint articulated, link bolt and fitting body specifically make generally only with elastic soft sealing mode
Used time since sealing element can gradually aging and fail, so as to cause articulated joint failure, a possibility that leading to fluid pressure line oil leak
Increase.
Summary of the invention
The utility model will solve technical problem and be to provide a kind of articulated joint, using the hard sealing of rigidity plus elastic soft sealing
Double combinations sealing means and be equipped with buffer structure, make that hydraulic joint articulated sealing effect is good, stable and reliable working performance.
The technical scheme in the invention for solving the above technical problem are as follows:
A kind of articulated joint, including fitting body, link bolt, O-ring seal and combination mat, the fitting body are equipped with liquid
Channel, is inserted in link bolt in the fitting body, and link bolt screw rod outer surface sets that there are two groove, the groove difference
Set on at the left and right port contact face of fitting body, the groove is interior close equipped with being formed between O-ring seal and fitting body inner wall
Envelope, the link bolt screw rod are equipped with slanted channel and the feed pathway that communicates with slanted channel, the slanted channel with
The liquid outlet channel connection that fitting body is equipped with, the link bolt screw rod are pierced by connector body end equipped with combination mat, the hinged spiral shell
It is equipped with the wedge angle formed by two oblique faces at bolt hexagonal inner face and fitting body end face is in close contact, the combination mat and connector
Buffer unit is equipped between body right output port, the buffer unit includes cushion seal body, spring, card body, the body of rod, apical grafting body and company
Junctor, the cushion seal body matching are arranged on link bolt screw rod and between combination mat and fitting body right output port, institute
It states cushion seal body surface face and is laid with several through-holes, matching is equipped with connector in the through-hole, and the connector is equipped with rank
Terraced hole, the stepped hole include inner end centre bore and the intercommunicating pore that is connected to inner end centre bore, in the inner end centre bore
It is equipped with card body, the card body, which is connected with the body of rod, makes the body of rod be pierced by intercommunicating pore, and the body of rod is pierced by intercommunicating pore top equipped with apical grafting
Body, apical grafting body one end are located in through-hole, and the other end protrudes through-hole, are equipped with spring on the body of rod, the spring is located at
Between apical grafting body and connector.
The slanted channel is set in the middle part of link bolt screw rod.
The O-ring seal is made of rubber material.
The combination mat is vulcanized by rubber ring and becket integrated bond.
The beneficial effects of the utility model are:
Compared with prior art, using the articulated joint of the utility model structure, structure is simple, using O-ring seal and
It is equipped with wedge angle at link bolt hexagonal inner face and fitting body end face is in close contact to form the hard sealing of rigidity, sealing effect is good, adopts
It is reliable and stable with properties of product, and it is equipped with buffer unit, there is double buffering effect, reduce and screw screwing force and act on connector
To the effect of the stubborn pressure of closed angle end, so that preventing from screwing too quickly lead to link bolt closed angle end stress and is broken.
Detailed description of the invention
Fig. 1 is the articulated joint structural schematic diagram of the utility model.
Fig. 2 is the portion the A enlarged drawing of Fig. 1.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Please refer to Fig. 1, Fig. 2, the utility model provides a kind of articulated joint, including fitting body 1, link bolt 2, O-shaped close
Seal 3 and combination mat 4, the fitting body 1 are equipped with liquid outlet channel 5, are inserted in link bolt 2, the hinged spiral shell in the fitting body 1
2 screw rod of bolt, 6 outer surface is set there are two groove 7, the groove 7 be located at at the left and right port contact face of fitting body 1, it is described
It is equipped between 1 inner wall of O-ring seal 3 and fitting body in groove 7 and forms sealing, 2 screw rod 6 of link bolt is equipped with oblique logical
Road 8 and the feed pathway 9 communicated with slanted channel 8, the slanted channel 8 connect with the liquid outlet channel 5 that fitting body 1 is equipped with
Logical, 2 screw rod 6 of link bolt is pierced by 1 end of fitting body equipped with combination mat, be equipped at the 2 hexagonal inner face of link bolt by
The wedge angle 10 and 1 end face of fitting body that two oblique faces are formed are in close contact, and are set between 1 right output port of the combination mat 4 and fitting body
There is buffer unit, the buffer unit includes cushion seal body 11, spring 12, card body 13, the body of rod 14, apical grafting body 15 and connector
16, the cushion seal body 11 matching be arranged on 2 screw rod 6 of link bolt and be located at combination mat 4 and 1 right output port of fitting body it
Between, 11 surface of cushion seal body is laid with several through-holes 17, and matching is equipped with connector 16, the company in the through-hole 17
Junctor 16 is equipped with stepped hole 18, and the stepped hole 18 includes inner end centre bore 19 and the connection being connected to inner end centre bore 19
Hole 20, the interior matching of the inner end centre bore 19 are equipped with card body 13, and the card body 13, which is connected with the body of rod 14, makes the body of rod 14 be pierced by connection
Hole 20, the body of rod 14 are pierced by 20 top of intercommunicating pore equipped with apical grafting body 15, and described 15 one end of apical grafting body is located in through-hole 17, another
Through-hole 17 is protruded at end, is equipped with spring 12 on the body of rod 14, the spring 12 is between apical grafting body 15 and connector 16.
The slanted channel 8 is set to 2 screw rod of link bolt, 6 middle part.
The O-ring seal 3 is made of rubber material.
The combination mat 4 is vulcanized by rubber ring 21 and 22 integrated bond of becket.
The present invention will be further described below:
2 screw rod 6 of link bolt is screwed with workpiece to be tightened, and in the process, workpiece acts on combination mat 4, and combination mat 4 presses
Apical grafting body 15, apical grafting body 15 act on spring 12, and spring 12 is pressed in connector 16, and connector 16 acts on the contact of fitting body 1
Face, after apical grafting body 15 heads into through-hole 17, combination mat 4, which presses cushion seal body 11, makes cushion seal body 11 act on fitting body
1 end face and 1 port of sealing joint body, during apical grafting body 15 heads into through-hole 17, apical grafting body 15 drives the body of rod 14, the body of rod 14
It drives card body 13 mobile in inner end centre bore 19, screws after tightening, wedge angle 10 and fitting body 1 at 2 hexagonal inner face of link bolt
End face is in close contact, and forms the hard sealing of rigidity, while elasticity is formed between 1 inner wall of the O-ring seal 3 in groove 7 and fitting body
Soft seal, buffer unit have double buffering effect, reduce and screw screwing force and act on fitting body 1 to the stubborn pressure at 10 end of wedge angle
Effect, thus prevent from screwing it is too quickly lead to 2 wedge angle of link bolt, 10 end stress and be broken, the articulated joint of the utility model has
The hard sealing of rigidity and elastic soft sealing, sealing effect is more preferable, high reliablity.
A kind of articulated joint provided by the utility model embodiment is described in detail above, it is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to manage
Solve the revealed technical solution of the utility model；At the same time, for those skilled in the art, the think of according to the utility model
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as this
The limitation of utility model.
Claims (4)
1. a kind of articulated joint, including fitting body, link bolt, O-ring seal and combination mat, it is logical that the fitting body is equipped with liquid
Road is inserted in link bolt in the fitting body, and link bolt screw rod outer surface is set there are two groove, and the groove is set respectively
In at the left and right port contact face of fitting body, it is equipped between O-ring seal and fitting body inner wall in the groove and forms sealing,
The feed pathway that the link bolt screw rod is equipped with slanted channel and communicates with slanted channel, the slanted channel and connector
The liquid outlet channel connection that body is equipped with, the link bolt screw rod are pierced by connector body end equipped with combination mat, it is characterised in that: described
It is equipped with the wedge angle formed by two oblique faces at link bolt hexagonal inner face and fitting body end face is in close contact, the combination mat
Buffer unit is equipped between fitting body right output port, the buffer unit includes cushion seal body, spring, card body, the body of rod, apical grafting
Body and connector, cushion seal body matching be arranged on link bolt screw rod and be located at combination mat and fitting body right output port it
Between, cushion seal body surface face is laid with several through-holes, and matching is equipped with connector in the through-hole, sets on the connector
There is a stepped hole, the stepped hole includes inner end centre bore and the intercommunicating pore that is connected to inner end centre bore, the inner end centre bore
Interior matching is equipped with card body, and the card body, which is connected with the body of rod, makes the body of rod be pierced by intercommunicating pore, and the body of rod is pierced by intercommunicating pore top and is equipped with
Apical grafting body, apical grafting body one end are located in through-hole, and the other end protrudes through-hole, are equipped with spring, the spring on the body of rod
Between apical grafting body and connector.
2. articulated joint as described in claim 1, it is characterised in that: the slanted channel is set in the middle part of link bolt screw rod.
3. articulated joint as described in claim 1, it is characterised in that: the O-ring seal is made of rubber material.
4. articulated joint as described in claim 1, it is characterised in that: the combination mat is by rubber ring and becket integrated bond
Vulcanize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440098.2U CN208670368U (en) | 2018-09-04 | 2018-09-04 | A kind of articulated joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440098.2U CN208670368U (en) | 2018-09-04 | 2018-09-04 | A kind of articulated joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670368U true CN208670368U (en) | 2019-03-29 |
Family
ID=65842867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821440098.2U Active CN208670368U (en) | 2018-09-04 | 2018-09-04 | A kind of articulated joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208670368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413184A (en) * | 2020-11-03 | 2021-02-26 | 中国航发沈阳发动机研究所 | Fluid switching structure |
| CN112539308A (en) * | 2020-11-30 | 2021-03-23 | 海盐管件制造有限公司 | Clamping sleeve type hinged joint of filter pipe |
-
2018
- 2018-09-04 CN CN201821440098.2U patent/CN208670368U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413184A (en) * | 2020-11-03 | 2021-02-26 | 中国航发沈阳发动机研究所 | Fluid switching structure |
| CN112539308A (en) * | 2020-11-30 | 2021-03-23 | 海盐管件制造有限公司 | Clamping sleeve type hinged joint of filter pipe |
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