CN214331841U - Elbow pipeline connector of hydraulic system - Google Patents
Elbow pipeline connector of hydraulic system Download PDFInfo
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- CN214331841U CN214331841U CN202022234693.4U CN202022234693U CN214331841U CN 214331841 U CN214331841 U CN 214331841U CN 202022234693 U CN202022234693 U CN 202022234693U CN 214331841 U CN214331841 U CN 214331841U
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- pipe
- hydraulic system
- elbow
- connecting block
- connecting pipe
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Abstract
The utility model provides a hydraulic system's return bend pipe coupling head, include: the connecting block is provided with a first connecting structure; the connecting pipe comprises a bent connecting pipe, wherein one end of the connecting pipe is provided with a second connecting structure which can be connected with the first connecting structure, so that the connecting pipe rotates around the first connecting structure relative to the connecting block. Through the technical scheme of the utility model, can adjust the crooked direction of connecting pipe after the connecting pipe is connected on the connecting block, use more in a flexible way, prevent that the pipeline from moving towards the condition emergence of not being in the same direction as.
Description
Technical Field
The utility model belongs to the technical field of the hydraulic pressure pipe connection, especially, relate to a hydraulic system's return bend pipe coupling head.
Background
The connecting joint of the present hydraulic system pipeline is mostly formed by welding a connecting block and a bent connecting pipe, the relative direction between the welded connecting block and the connecting pipe cannot be adjusted, the pipeline of the welded connecting joint is not smooth due to the error of the welding angle during batch production, especially in the hydraulic pipeline connection of the narrow space of a high-pressure hydraulic system, the deviation of the welding angle is not beneficial to connecting and using the connecting joint, and the trend of the pipeline is greatly influenced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect or not enough of prior art, the utility model provides a hydraulic system's return bend pipe connection head, it is more nimble when the user installation is used, more be suitable for the hydraulic line connection and the use in high-pressure hydraulic system's narrow space.
In order to achieve the above object, the utility model provides a hydraulic system's return bend pipe coupling head, include: the connecting block is provided with a first connecting structure; the connecting pipe comprises a bent connecting pipe, wherein one end of the connecting pipe is provided with a second connecting structure which can be connected with the first connecting structure, so that the connecting pipe rotates around the first connecting structure relative to the connecting block.
The utility model discloses an in the embodiment, first connection structure is for seting up the screw hole on the connecting block, and second connection structure is for setting up in connecting pipe one end and with screw hole screw-thread fit's external screw thread.
The utility model discloses an in the embodiment, the surface that the screw hole was kept away from to the connecting block is provided with the step hole, and the size in step hole is less than the size in screw hole, and is provided with first sealing washer in the step department in screw hole and step hole.
The utility model discloses an in the embodiment, the surface that the screw hole was kept away from to the connecting block is provided with annular sealed recess, is provided with the second sealing washer with sealed recess size adaptation in the sealed recess.
The utility model discloses an in the embodiment, hydraulic system's return bend pipeline connector includes lock nut, lock nut can with the external screw thread cooperation on the connecting pipe and support the surface of holding in the connecting block.
The utility model discloses an in the embodiment, hydraulic system's return bend pipeline connector is including holding fixation nut, fixation nut can with the external screw thread on the connecting pipe cooperate and support in lock nut's surface.
The utility model discloses an in the embodiment, first connection structure is from the convex hollow tube in connecting block surface, and the hollow tube surface is provided with the external screw thread, and second connection structure be for set up in connecting pipe one end and with the internal thread of external screw thread adaptation.
The utility model discloses an in the embodiment, hydraulic system's return bend pipeline connector includes the thread bush, and the connecting pipe is provided with internal screw thread one end and still is provided with the external screw thread, and the thread bush can with the external screw thread threaded connection on the connecting pipe and support and hold in the connecting block surface.
In the embodiment of the present invention, the bending angle of the connecting tube ranges from 90 degrees to 150 degrees.
In an embodiment of the present invention, at least two positioning holes are disposed on the connecting block, and the two positioning holes are disposed symmetrically with respect to the first connecting structure.
Through the technical scheme, the embodiment of the utility model provides a hydraulic system's return bend pipeline connector has following beneficial effect:
the connecting block and the connecting pipe in the elbow pipeline connector of the hydraulic system of the utility model do not need to be welded, so as to avoid the generation of welding slag on the inner wall of the elbow pipeline connector of the hydraulic system; meanwhile, after the connecting pipe is connected to the connecting block, the connecting pipe can rotate around the first connecting structure relative to the connecting block, so that the bending direction of the connecting pipe can be adjusted, the use is more flexible, and the situation that the trend of the pipeline is not smooth is prevented.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention, but do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a schematic perspective view of a prior art connection fitting;
FIG. 2 is a first perspective view of a elbow conduit coupling according to one embodiment of the present novel hydraulic system;
fig. 3 is a schematic diagram of a first exploded configuration of a elbow conduit connector of a hydraulic system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a half-section structure of a connecting block in a elbow pipe connector of a hydraulic system according to an embodiment of the present invention;
FIG. 5 is a second exploded view of the elbow conduit coupling according to the present novel one embodiment hydraulic system;
fig. 6 is a schematic diagram of a second perspective structure of a elbow pipe joint of a hydraulic system according to an embodiment of the present invention;
fig. 7 is a third schematic exploded view of a elbow conduit coupling according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a fourth explosion structure of a elbow pipe connector of a hydraulic system according to an embodiment of the present invention.
Description of the reference numerals
10 union joint 1 hydraulic system's return bend pipeline connector
11 connecting block 12 connecting pipe
13 first connection structure 14 second connection structure
15 lock nut 16 fixing nut
17 thread bush
111 first sealing ring with step hole 112
113 sealing groove 114 second sealing ring
115 location hole
131 hollow tube
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The following describes a pipe bending joint according to the present invention with reference to the drawings.
Fig. 1 is a perspective view of a prior art connection joint. As shown in fig. 1, the connection joint 10 is formed by welding a connection block 11 and a bent connection pipe 12, and after the connection pipe 12 and the connection block 11 are welded, the installation angle between the connection pipe 12 and the connection block 11 cannot be adjusted, that is, after the connection block 11 is fixed to a hydraulic system pipeline, the bending direction of the connection pipe 12 cannot be adjusted, and the use is not flexible; meanwhile, in the processing process of welding the connecting blocks 11 and the connecting pipes 12 in batches, the consistency of welding processing at every time is difficult to guarantee, namely, the welding angle between the connecting blocks 11 and the connecting pipes 12 is difficult to guarantee to be consistent all the time, and then the connecting joint 10 with deviation of angle can cause the trend of pipelines to be unsmooth, in the hydraulic pipeline connection of the narrow space of a high-pressure hydraulic system, the deviation of the welding angle is not beneficial to connecting and using the connecting joint 10, and the trend of the pipelines is greatly influenced.
Fig. 2 is a schematic diagram of a first perspective view of a elbow pipe joint according to one embodiment of the present invention. Fig. 3 is a schematic diagram of a first explosion structure of a elbow pipe connector of a hydraulic system according to an embodiment of the present invention. As shown in fig. 2 to 3, in an embodiment of the present invention, there is provided an elbow pipe connector 1 of a hydraulic system, including: the connecting block 11 is provided with a first connecting structure 13; a bent connecting pipe 12, wherein the end of the connecting pipe 12 is provided with a second connecting structure 14, and the first connecting structure 13 and the second connecting structure 14 form a pivotable connection to adjust the bending direction of the connecting pipe 12 relative to the connecting block 11.
The first connecting structure 13 is arranged on the connecting block 11, the second connecting structure 14 is arranged on the connecting pipe 12, so that the connecting pipe 12 and the connecting block 11 are connected with each other through the second connecting structure 14 and the first connecting structure 13, and compared with the existing connecting joint 10, the welding mode is not adopted between the connecting block 11 and the connecting pipe 12 in the elbow pipeline connector 1 of the hydraulic system, and welding slag can be prevented from being generated on the inner wall of the elbow pipeline connector 1 of the hydraulic system; meanwhile, after the connecting pipe 12 is connected to the connecting block 11, the connecting pipe can rotate around the first connecting structure 13 relative to the connecting block 11, so that the bending direction of the connecting pipe 12 can be adjusted, the use is more flexible, the situation that the pipeline trend is not smooth is prevented, in the hydraulic pipeline connection of the narrow space of the high-pressure hydraulic system, the direction of the elbow pipeline connector 1 of the hydraulic system can be still adjusted as required, and the influence on the pipeline trend caused by the elbow pipeline connector 1 of the hydraulic system is reduced.
The utility model discloses an in the embodiment, first connection structure 13 is for seting up the screw hole on connecting block 11, second connection structure 14 for set up in connecting pipe 12 one end and with screw hole screw-thread fit's external screw thread, thereby when connecting pipe 12 on connecting block 11, only need to be equipped with the one end precession connecting block 11 of external screw thread with connecting pipe 12 in, can accomplish connecting pipe 12 and connecting block 11 be connected, the operation is simple and convenient more, and still can make connecting pipe 12 freely rotate in order to adjust the crooked direction of connecting pipe 12 in the threaded hole after connecting, it is more nimble to transfer to.
Fig. 4 is a second exploded view of the elbow conduit coupling according to the present novel one embodiment hydraulic system. Fig. 5 is a schematic diagram of a half-section structure of a connecting block in a elbow pipe connector of a hydraulic system according to the present invention. As shown in fig. 4-5, in the embodiment of the present invention, a stepped hole 111 is formed on a surface of the connecting block 11 away from the threaded hole, the size of the stepped hole 111 is smaller than that of the threaded hole, and a first sealing ring 112 is disposed at a step between the threaded hole and the stepped hole 111.
The stepped hole 111 is formed in the surface, far away from the threaded hole, of the connecting block 11, so that liquid can enter the connecting pipe 12 through the stepped hole 111 and the threaded hole in sequence, the size of the stepped hole 111 is smaller than that of the threaded hole to limit the depth of the connecting pipe 12 connected into the threaded hole, the first sealing ring 112 is arranged at the step of the threaded hole and the stepped hole 111, one end, connected with the threaded hole, of the connecting pipe 12 and the connecting block 11 is abutted to the first sealing ring 112, the sealing performance of the connecting block 11 and the connecting pipe 12 is improved, and liquid is prevented from leaking from the connecting position of the connecting block 11 and the connecting pipe 12.
The utility model discloses an in the embodiment, the surface that the screw hole was kept away from to connecting block 11 is provided with annular sealed recess 113, is provided with in the sealed recess 113 with the second sealing washer 114 of sealed recess 113 size adaptation, through setting up second sealing washer 114 in sealed recess 113 to increase the firm degree of sealing washer installation.
After the elbow pipe connector 1 of the hydraulic system is connected to the hydraulic system pipeline, the connecting block 11 is abutted against the hydraulic system pipeline under the action of the second sealing ring 114, so that the sealing performance between the connecting block 11 and the hydraulic system pipeline is increased, that is, the sealing performance between the elbow pipe connector 1 of the hydraulic system and the hydraulic system pipeline is increased, and liquid leakage is prevented.
In the embodiment of the present invention, at least two positioning holes 115 are disposed on the connecting block 11, and the two positioning holes 115 are disposed in a central symmetry manner with respect to the first connecting structure 13. When the connecting block 11 is connected to a hydraulic system pipeline, the fixing bolt is screwed into at least two positioning holes 115 in the connecting block 11, the fixing bolt is connected to the hydraulic system pipeline, and then the connecting block 11 can be installed and fixed, the two positioning holes 115 are arranged in central symmetry relative to the first connecting structure 13, so that the connecting block 11 is connected to the hydraulic system pipeline through the fixing bolt, the stress is more uniform, and the service life of the connecting block 11 is prolonged.
The utility model discloses in, locating hole 115 can be any kind in ordinary through-hole, screw hole, counter sink, the counter sink screw hole.
The utility model discloses an in the embodiment, hydraulic system's return bend pipe connection head 1 includes lock nut 15, lock nut 15 can with the external screw thread fit on connecting pipe 12 and support the surface of holding in connecting block 11.
Since the lock nut 15 can be in threaded fit with the external thread on the connection pipe 12, after the connection pipe 12 is connected to the connection block 11 and the bending direction of the connection pipe 12 is adjusted, the lock nut 15 is abutted against the connection block 11 by screwing the lock nut 15, so that the connection pipe 12 and the connection block 11 are relatively fixed under the abutting action of the lock nut 15, and the bending direction of the connection pipe 12 is prevented from being changed after being adjusted.
In the embodiment of the present invention, the elbow pipe connector 1 of the hydraulic system includes a fixing nut 16, and the fixing nut 16 can be engaged with the external thread of the connecting pipe 12 and is supported on the surface of the locking nut 15.
After the bending direction of the connecting pipe 12 is adjusted and the locking nut 15 is abutted to the connecting block 11, the locking nut 15 is abutted to the locking nut 15 through the fixing nut 16, so that the locking nut 15 can be prevented from loosening under the abutting action of the fixing nut 16, and the firmness degree of the locking nut 15 is enhanced.
Fig. 6 is a schematic diagram of a second perspective structure of a elbow pipe connector of a hydraulic system according to an embodiment of the present invention. Fig. 7 is a schematic diagram of a third explosion structure of a elbow pipe connector of a hydraulic system according to an embodiment of the present invention. Fig. 8 is a schematic diagram of a fourth explosion structure of a elbow pipe connector of a hydraulic system according to an embodiment of the present invention. As shown in fig. 6-8, in the embodiment of the present invention, the first connecting structure 13 is a hollow tube 131 protruding from the surface of the connecting block 11, the surface of the hollow tube 131 is provided with an external thread, and the second connecting structure 14 is an internal thread disposed at one end of the connecting tube 12 and adapted to the external thread.
Set up first connection structure 13 to follow the convex hollow tube 131 in connecting block 11 surface, hollow tube 131 surface is provided with the external screw thread, second connection structure 14 sets up to the internal thread of connecting pipe 12 one end and hollow tube 131 external screw thread adaptation, thereby when connecting pipe 12 on connecting block 11, only need to be equipped with connecting pipe 12 outside the outer line hole of internal screw thread one end precession hollow tube 131, can accomplish connecting pipe 12 and connecting block 11 be connected, it is more simple and convenient to operate, and still can make connecting pipe 12 freely rotate in order to adjust the crooked direction of connecting pipe 12 in the threaded hole after connecting, it is more nimble to transfer to.
The utility model discloses an in the embodiment, hydraulic system's return bend pipe connection head 1 includes thread bush 17, and connecting pipe 12 is provided with the internal screw thread one end and still is provided with the external screw thread, and thread bush 17 can with the external screw thread threaded connection on connecting pipe 12 and support and hold in connecting block 11 surfaces.
After the connecting pipe 12 is connected to the connecting block 11 and the bending direction of the connecting pipe 12 is adjusted, the threaded sleeve 17 is screwed to hold the threaded sleeve 17 on the connecting block 11, so that the connecting pipe 12 and the connecting block 11 can be relatively fixed under the abutting action of the threaded sleeve 17, and the bending direction of the connecting pipe 12 is prevented from being changed after being adjusted.
The utility model discloses an in the embodiment, the angle scope that connecting pipe 12 is crooked is 90 degrees-150 degrees to the user selects different bending angle's connecting pipe 12 to connect on connecting block 11 according to the scene of difference, uses more in a flexible way.
The utility model discloses an in the embodiment, connecting pipe 12, connecting block 11 are the standard component that can mass production made to reduce hydraulic system's return bend pipe connection head 1's manufacturing cost, reduce the error, improve hydraulic system's return bend pipe connection head 1's stability.
In the embodiment of the present invention, the connecting pipe 12 and the connecting block 11 can be two detachable independent components, or can be a non-detachable combined component, i.e. the connecting pipe 12 is connected to the connecting block 11 through a conventional mechanical structure, so that the connecting pipe 12 can rotate relative to the connecting block 11, but the connecting pipe 12 cannot be detached from the connecting block 11.
In the embodiment of the present invention, the material of the connecting block 11 may be carbon steel or alloy, and the surfaces of the connecting block 11 and the connecting pipe 12 may be plated by electroplating or chemical plating to form a plated layer, so that the elbow pipe connector 1 of the hydraulic system is applied to different environments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a hydraulic system's elbow pipe coupling head which characterized in that, hydraulic system's elbow pipe coupling head includes:
the connecting block is provided with a first connecting structure;
the connecting pipe comprises a bent connecting pipe, wherein the end part of the connecting pipe is provided with a second connecting structure, and the first connecting structure and the second connecting structure form a pivotable connection so as to adjust the bending direction of the connecting pipe relative to the connecting block.
2. The elbow pipe coupling for a hydraulic system according to claim 1, wherein the first connecting structure is a threaded hole formed in the connecting block, and the second connecting structure is an external thread provided at one end of the connecting pipe and threadedly engaged with the threaded hole.
3. The elbow pipe joint of a hydraulic system according to claim 2, wherein a stepped hole is formed in a surface of the connecting block away from the threaded hole, the stepped hole has a size smaller than that of the threaded hole, and a first sealing ring is disposed at a step between the threaded hole and the stepped hole.
4. The elbow conduit coupling of claim 2, wherein the surface of the connecting block remote from the threaded bore is provided with an annular sealing groove, and a second sealing ring is disposed in the sealing groove and is adapted to the size of the sealing groove.
5. The elbow conduit coupling of claim 2, wherein the elbow conduit coupling of the hydraulic system comprises a lock nut that threadably engages the external threads on the connecting tube and abuts against a surface of the connecting block.
6. The hydraulic system elbow connector of claim 5, including a retaining nut threadably engaged with the external thread on the connector tube and retained against a surface of the lock nut.
7. The elbow pipe joint of a hydraulic system according to claim 1, wherein the first connecting structure is a hollow pipe protruding from a surface of the connecting block, the surface of the hollow pipe is provided with an external thread, and the second connecting structure is an internal thread provided at one end of the connecting pipe and adapted to the external thread.
8. The elbow pipe joint of hydraulic system according to claim 7, wherein the elbow pipe joint of hydraulic system comprises a threaded sleeve, the end of the connecting pipe provided with the internal thread is further provided with an external thread, and the threaded sleeve can be in threaded connection with the external thread on the connecting pipe and abut against the surface of the connecting block.
9. The elbow conduit coupling of claim 1, wherein said connecting tube is bent at an angle in the range of 90 degrees to 150 degrees.
10. The elbow pipe coupling head according to any one of claims 1 to 9, wherein said connecting block is provided with at least two positioning holes, and said two positioning holes are arranged in a central symmetry with respect to said first connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234693.4U CN214331841U (en) | 2020-10-09 | 2020-10-09 | Elbow pipeline connector of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022234693.4U CN214331841U (en) | 2020-10-09 | 2020-10-09 | Elbow pipeline connector of hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN214331841U true CN214331841U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022234693.4U Active CN214331841U (en) | 2020-10-09 | 2020-10-09 | Elbow pipeline connector of hydraulic system |
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| Country | Link |
|---|---|
| CN (1) | CN214331841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093373A1 (en) * | 2022-10-31 | 2024-05-10 | 比亚迪股份有限公司 | Pipeline fixing member, vehicle system and vehicle |
-
2020
- 2020-10-09 CN CN202022234693.4U patent/CN214331841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024093373A1 (en) * | 2022-10-31 | 2024-05-10 | 比亚迪股份有限公司 | Pipeline fixing member, vehicle system and vehicle |
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