CN212298063U - External locking straight joint - Google Patents
External locking straight joint Download PDFInfo
- Publication number
- CN212298063U CN212298063U CN202021630442.1U CN202021630442U CN212298063U CN 212298063 U CN212298063 U CN 212298063U CN 202021630442 U CN202021630442 U CN 202021630442U CN 212298063 U CN212298063 U CN 212298063U
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- Prior art keywords
- male post
- sealing
- joint
- annular
- post
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- 238000007789 sealing Methods 0.000 claims abstract description 68
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 18
- 239000011425 bamboo Substances 0.000 claims abstract description 18
- 241001330002 Bambuseae Species 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims 1
- 240000003917 Bambusa tulda Species 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses an external lock straight joint, which comprises a joint body, wherein the joint body is divided into a sealing male post and a connecting male post through a lock sleeve, the sealing male post is positioned at the lower end of the lock sleeve, a first annular sealing groove is arranged at the bottom of the outer surface of the sealing male post, a first O-shaped sealing ring is arranged on the first annular sealing groove, the connecting male post is positioned at the upper end of the lock sleeve, a connecting end is arranged at the top end of the connecting male post, an annular block is arranged below the connecting end, a second annular sealing groove is arranged on the outer surface of the connecting male post between the connecting end and the annular block, a second O-shaped sealing ring is arranged on the second annular sealing groove, a plurality of bamboo joint clamping blocks are arranged on the outer surface of the connecting male post below the annular block, the external lock straight joint is simple and fast to connect on a pump body and a pipeline, namely the joint body is connected without tools such as a spanner, the subsequent disassembly and assembly of the joint body are more convenient.
Description
Technical Field
The utility model belongs to the technical field of pipeline joints; in particular to an external lock straight joint.
Background
The pump body and pipeline connection in each hydraulic system of the existing automobile mostly adopts a screwed-in through pipe joint HB4-8-2002, a screwed-in reducing through pipe joint HB4-9-2002, an A-type screwed-in through pipe joint HB 5986-5988-2008, an HB 5989-5991-2008 and a screwed-in reducing through pipe joint 2008 to be connected with a body, and the sealing form adopts a threaded connection sealing form of HB 4-59-1987.
In order to prevent the liquid from leaking from the joint, the joint must be tightened with a wrench, but in the structure of an automobile, there are many places or positions where the joint is to be installed, the space for handling the joint is quite small, and it is quite difficult to use a tool such as a wrench, which makes it difficult to attach and detach the through joint. In addition, the existing straight-through joint is usually sealed by a single sealing ring in the process of connecting the straight-through joint with a pipeline, so that the sealing property between the joint and a joint mounting hole is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an external lock straight joint to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an external lock straight joint, includes the joint body, the joint body is separated into sealed male cylinder and is connected male cylinder two parts through the lock sleeve, sealed male cylinder is located the lower extreme of lock sleeve, sealed male cylinder surface bottom position department has seted up annular seal groove one, be provided with O type sealing washer one on the annular seal groove one, it is located the upper end of lock sleeve to connect male cylinder, the connection end has been seted up on the top of connecting male cylinder, the below of connection end is provided with the annular piece, it is located the connection end and has seted up annular seal groove two on the surface between the annular piece to connect male cylinder, be provided with O type sealing washer two on the annular seal groove two, it is provided with a plurality of bamboo joint fixture block to be located annular piece below on the connection male cylinder surface.
As a further aspect of the present invention: the lock sleeve comprises a separation disc, locking arms, loading and unloading holes and clamping grooves, the locking arms are symmetrically arranged on two sides of the disc surface of the separation disc along a central line, the locking arms are vertically and downwards arranged along the disc surface of the separation disc, the whole locking arm is of a T-shaped structure, the clamping grooves are formed in the inner side surface of a vertical block of the T-shaped structure of the locking arm, and the loading and unloading holes are formed in the horizontal block of the T-shaped structure of the locking arm along the radial direction.
As a further aspect of the present invention: the cross section of the bamboo joint clamping blocks in the vertical direction is of a trapezoidal structure, and the number of the bamboo joint clamping blocks on the connecting male post is two.
As a further aspect of the present invention: the connecting end is of a horn-shaped structure with a small top opening and a large bottom opening.
As a further aspect of the present invention: the outer surface of the sealing male column is fixedly provided with a first limiting block above the annular sealing groove, the first limiting block is formed by symmetrically cutting crescent blocks on two sides of a disc along the center line direction, and the diameter of the first limiting block is larger than that of the sealing male column and smaller than that of the separation disc.
As a further aspect of the present invention: and a second limiting block is arranged on the outer surface of the connecting male post and below the bamboo joint clamping block, the second limiting block is made of a crescent-shaped convex block on one side of which the disc is cut off, and the diameter of the second limiting block is larger than the outer diameter of the connecting male post and smaller than the diameter of the separating disc.
As a further aspect of the present invention: the sealing male post, the connecting male post and the lock sleeve are of an integrated structure, and the inner diameter of the sealing male post is consistent with that of the connecting male post.
The utility model has the advantages that:
1. the locking sleeve is arranged on the connector body, the O-shaped sealing ring I is arranged in the annular sealing groove I of the sealing male post, the sealing male post is inserted into a pipeline at the input end or the output end of a pump body, the locking arms at two sides of the locking sleeve rotate along the pipeline of the pump body by rotating the locking sleeve, and the clamping grooves of the locking arms are clamped on the end surface round platform of the pipeline of the pump body, so that the locking connection of the connector body on the pump body is realized; meanwhile, the bamboo joint fixture block part connected with the male post is cold pressed into the external pipeline, and the bamboo joint fixture block is connected with the external pipeline in an interference fit manner, so that the connection of the joint body on the pump body and the external pipeline is simpler, more convenient and faster, namely, the connection of the joint body is not required to be completed through tools such as a spanner and the like, and the subsequent disassembly and assembly of the joint body are more convenient;
2. through set up O type sealing washer one and O type sealing washer two on sealed positive post and connection positive post respectively, make this joint body can effectively prevent the liquid seepage in the connection process, improved the leakproofness of joint body.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a perspective view of an external lock straight through joint.
Fig. 2 is a schematic structural diagram of the connection of an external lock straight-through joint with a pump body and an external pipeline.
Fig. 3 is a schematic structural diagram of a sealing ring in an external-locking straight-through joint.
In the figure: the sealing male post 1, the first annular sealing groove 101, the first O-shaped sealing ring 1011, the first limiting block 102, the connecting male post 2, the second limiting block 201, the bamboo joint clamping block 202, the annular block 203, the second annular sealing groove 204, the connecting end 205, the lock sleeve 3, the separating disc 301, the locking arm 302, the assembling and disassembling hole 303, the clamping groove 304, the joint body 4, the pump body 5 and the external pipeline 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an external lock straight joint includes a joint body 4, the joint body 4 is divided into two parts, namely, a sealing male post 1 and a connecting male post 2, by a lock sleeve 3, the sealing male post 1 is located at the lower end of the lock sleeve 3, a first annular sealing groove 101 is formed at the bottom of the outer surface of the sealing male post 1, a first O-ring 1011 is disposed on the first annular sealing groove 101, the connecting male post 2 is located at the upper end of the lock sleeve 3, a connecting end 205 is disposed at the top end of the connecting male post 2, an annular block 203 is disposed below the connecting end 205, a second annular sealing groove 204 is formed on the outer surface of the connecting male post 2 located between the connecting end 205 and the annular block 203, a second O-ring 2041 is disposed on the second annular sealing groove 204, and a plurality of bamboo joint fixture blocks 202 are disposed below the annular block 203 on the outer surface of the connecting male post, through set up O type sealing washer 1011 and O type sealing washer two 2041 on sealed positive post 1 and connection positive post 2 respectively, make this joint body 4 can effectively prevent the liquid seepage in the connection process, improved the leakproofness of joint body.
The lock sleeve 3 comprises a separating disc 301, locking arms 302, a mounting and dismounting hole 303 and clamping grooves 304, the locking arms 302 are symmetrically arranged on two sides of the disc surface of the separating disc 301 along a central line, the locking arms 302 are vertically and downwards arranged along the disc surface of the separating disc 301, the whole locking arms 302 are of a T-shaped structure, the clamping grooves 304 are formed in the inner side surfaces of vertical blocks of the T-shaped structure of the locking arms 302, the mounting and dismounting hole 303 is radially formed in horizontal blocks of the T-shaped structure of the locking arms 302, when the sealing male post 1 is inserted into a pipeline at the input end or the output end of the pump body 5, the locking arms 302 on two sides of the lock sleeve 3 are rotated along the pipeline at the input end or the output end of the pump body 5 by rotating the lock sleeve 3, the clamping grooves 303 of the locking arms 302 are clamped on a circular truncated cone on the end surface.
The cross section of the bamboo joint fixture block 202 in the vertical direction is of a trapezoid structure, the number of the bamboo joint fixture blocks 202 on the connecting male post 2 is two, so that the bamboo joint fixture block 202 is connected with the external connecting pipe 6 in an interference fit manner, the connecting male post 2 is connected with the external connecting pipe 6 more quickly, and the sealing performance is better.
The connecting end 205 is a trumpet-shaped structure with a small top opening and a large bottom opening.
The outer surface of the sealing male post 1 is fixedly provided with a first limiting block 102 above an annular sealing groove I101, the first limiting block 102 is formed by symmetrically cutting out crescent blocks on two sides of a disc along the center line direction, the diameter of the first limiting block 102 is larger than the outer diameter of the sealing male post 1 and smaller than the diameter of the separation disc 301, and the connecting depth of the sealing male post 1 in a pump body pipeline is limited through the first limiting block 102.
A second limiting block 201 is arranged on the outer surface of the connecting male post 2 and below the bamboo joint clamping block 202, the second limiting block 201 is made of a crescent-shaped convex block on one side of a disc, and the diameter of the second limiting block 201 is larger than the diameter of the connecting male post 2 and smaller than the diameter of the separating disc 301.
The sealing male post 1, the connecting male post 2 and the lock sleeve 3 are of an integrated structure, and the inner diameter of the sealing male post 1 is consistent with that of the connecting male post 2.
The connection mode of the external lock straight joint is as follows:
the method comprises the following steps: the locking sleeve 3 is arranged on the connector body 4, the O-shaped sealing ring I1011 is arranged in the annular sealing groove I101 of the sealing male post 1, the sealing male post 1 is inserted into a pipeline at the input end or the output end of the pump body 5, the locking arms 302 at two sides of the locking sleeve 3 rotate along the pipeline of the pump body 5 by rotating the locking sleeve 3, and the clamping grooves 303 of the locking arms 302 are clamped on the end surface circular truncated cone of the pipeline of the pump body 5, so that the locking connection of the connector body 4 on the pump body 5 is realized;
step two: and arranging a second O-shaped sealing ring 2041 in a second annular sealing groove 204 of the connecting male post 2, cold-pressing the connecting male post 2 into the external pipeline 6 integrally, and connecting the bamboo joint clamping block 202 on the connecting male post 2 with the external pipeline 6 in an interference fit manner to complete the connection of the connecting male post 2 and the external pipeline 6.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. An external lock straight joint which is characterized in that: the connector comprises a connector body (4), wherein the connector body (4) is divided into a sealing male post (1) and a connecting male post (2) through a lock sleeve (3), the sealing male post (1) is positioned at the lower end of the lock sleeve (3), a first annular sealing groove (101) is formed in the bottom of the outer surface of the sealing male post (1), a first O-shaped sealing ring (1011) is arranged on the first annular sealing groove (101), the connecting male post (2) is positioned at the upper end of the lock sleeve (3), a connecting end (205) is formed in the top end of the connecting male post (2), an annular block (203) is arranged below the connecting end (205), a second annular sealing groove (204) is formed in the outer surface of the connecting male post (2) between the connecting end (205) and the annular block (203), and a second O-shaped sealing ring (2041) is arranged on the second annular sealing groove (204), a plurality of bamboo joint fixture blocks (202) are arranged on the outer surface of the connecting male post (2) and below the annular block (203).
2. The external lock straight-through joint according to claim 1, wherein the lock sleeve (3) comprises a separation disc (301), locking arms (302), an assembling and disassembling hole (303) and clamping grooves (304), the locking arms (302) are symmetrically arranged on two sides of the disc surface of the separation disc (301) along a central line, the locking arms (302) are vertically and downwardly arranged along the disc surface of the separation disc (301), the locking arms (302) are integrally T-shaped, the clamping grooves (304) are formed in the inner side surfaces of the T-shaped structure vertical blocks of the locking arms (302), and the assembling and disassembling hole (303) is radially formed in the T-shaped structure horizontal blocks of the locking arms (302).
3. The external-lock straight-through joint as claimed in claim 1, wherein the cross section of the bamboo joint fixture block (202) in the vertical direction is a trapezoid structure, and the number of the bamboo joint fixture blocks (202) on the connecting male post (2) is two.
4. An external lock feed-through according to claim 1, wherein the connecting end (205) is of a flared configuration with a small top opening and a large bottom opening.
5. An external lock straight-through joint according to claim 1, wherein a first limiting block (102) is fixedly arranged on the outer surface of the sealing male column (1) and above the annular sealing groove I (101), the first limiting block (102) is made of a crescent block which is formed by symmetrically cutting two sides of a circular disc along the midline direction, and the diameter of the first limiting block (102) is larger than the outer diameter of the sealing male column (1) and smaller than the diameter of the separation disc (301).
6. The external lock straight-through joint according to claim 1, wherein a second limiting block (201) is arranged on the outer surface of the connecting male post (2) and below the bamboo joint fixture block (202), the second limiting block (201) is made of a crescent-shaped projection on one side of a disc, and the diameter of the second limiting block (201) is larger than the outer diameter of the connecting male post (2) and smaller than the diameter of the separating disc (301).
7. An external lock straight-through joint according to claim 1, wherein the sealing male post (1), the connecting male post (2) and the lock sleeve (3) are of a one-piece construction, and the internal diameter of the sealing male post (1) is identical to the internal diameter of the connecting male post (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630442.1U CN212298063U (en) | 2020-08-07 | 2020-08-07 | External locking straight joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630442.1U CN212298063U (en) | 2020-08-07 | 2020-08-07 | External locking straight joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212298063U true CN212298063U (en) | 2021-01-05 |
Family
ID=73937982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021630442.1U Active CN212298063U (en) | 2020-08-07 | 2020-08-07 | External locking straight joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212298063U (en) |
-
2020
- 2020-08-07 CN CN202021630442.1U patent/CN212298063U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |