CN216477407U - Connecting structure of hydraulic jack and high-pressure rubber tube in mining hydraulic support - Google Patents
Connecting structure of hydraulic jack and high-pressure rubber tube in mining hydraulic support Download PDFInfo
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- CN216477407U CN216477407U CN202122543746.5U CN202122543746U CN216477407U CN 216477407 U CN216477407 U CN 216477407U CN 202122543746 U CN202122543746 U CN 202122543746U CN 216477407 U CN216477407 U CN 216477407U
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Abstract
The utility model relates to the technical field of high-pressure rubber pipe connection, in particular to a connection structure of a hydraulic jack and a high-pressure rubber pipe in a mining hydraulic support. The utility model has the beneficial effects that: the joint block of usefulness of will connecting is taken out alone and is processed, only need guarantee connect in the block through-hole and the piston rod on the connecting block phase-match can, compare other modes and can guarantee the axiality and also be convenient for process.
Description
Technical Field
The utility model relates to the technical field of high-pressure rubber pipe connection, in particular to a connecting structure of a hydraulic jack and a high-pressure rubber pipe in a mining hydraulic support.
Background
The rubber tube is mainly used for conveying fluid, the fluid can be liquid or gas, and the rubber tube is mainly used for mine hydraulic supports, oil field development, mining equipment and the like. The pressing force of the rubber tube is divided into a low-pressure rubber tube (the pressure is below 2 MPa), a medium-pressure rubber tube (the pressure is 2 MPa-7 MPa), a high-pressure rubber tube (the pressure is 7 MPa-35 MPa) and an ultrahigh-pressure rubber tube (the pressure is above 35 MPa). The high-pressure rubber pipe consists of an inner rubber layer, an outer rubber layer and a reinforcing layer, wherein the inner rubber layer and the outer rubber layer play a role in corrosion resistance, most of materials adopt rubber, and the reinforcing layer plays a role in reinforcement and can be made of various fibers or steel wires and the like. When the high-pressure rubber tube is used in practice, the high-pressure rubber tube is generally required to be connected with equipment required to be connected by means of a joint, a hydraulic jack is connected with the high-pressure rubber tube in the mining hydraulic support, and three common modes are provided: the first mode is welding, but the structural form is difficult in ensuring the coaxiality, the second mode is directly processing the piston rod head into an integrally formed structure, the second mode is poor in technological performance and difficult to process, the third mode is switching connection between the piston rod and the high-pressure rubber pipe through a threaded connector, and the connection mode between the piston rod and the threaded connector is threaded fixing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides a connecting structure of a hydraulic jack and a high-pressure rubber pipe in a mining hydraulic support, and aims to take out a joint block for connection for processing, only ensure that a through hole in the joint block is matched with a connecting block on a piston rod, ensure the coaxiality and facilitate processing compared with other modes.
The utility model is realized by the following technical scheme: lead to connection structure of liquid jack and high-pressure rubber tube in mining hydraulic support, including joint piece and piston rod, the through-hole that supplies the high-pressure rubber tube to run through and be connected with the piston rod is seted up to the joint piece, joint piece and piston rod concatenation, the connecting hole has been seted up on the piston rod, integrated into one piece has the sealing ring in the through-hole, the sealing ring the connecting hole with it is coaxial between the through-hole three, the internal diameter value of sealing ring is less than the aperture value of through-hole, logical groove has been seted up to the both sides of joint piece, the spacing groove has been seted up to the through-hole lateral wall, the spacing groove with it is coaxial to lead to the groove, it has U type fastener to lead to the inslot, U type fastener runs through the spacing groove.
In order to further optimize the present invention, the following technical solutions may be preferably selected: the number of the through holes is two.
Preferably, the U-shaped clamping piece comprises an inserting part and a grasping part, the inserting part penetrates through the through groove and the limiting groove, and the grasping part is arranged on the outer side of the joint block.
Preferably, the aperture value of the through groove and the diameter value of the limiting groove hole are equal to the thickness value of the U-shaped clamping piece.
The utility model has the beneficial effects that: this connection structure of logical liquid jack and high-pressure rubber tube in mining hydraulic support, including joint piece and piston rod, the through-hole that supplies the high-pressure rubber tube to run through and be connected with the piston rod is seted up to the joint piece, joint piece and piston rod concatenation will be connected the joint piece of usefulness and take out alone and process, only need to guarantee connect in the piece through-hole and the connecting block phase-match on the piston rod can, compare other modes and can guarantee the axiality and also be convenient for process again.
The sealing ring is integrally formed in the through hole, the inner diameter value of the insertion part is equal to that of the sealing ring when the rubber tube is inserted, and then the O-shaped ring and the check ring are filled at the upper end of the sealing ring, namely, the sealing ring is used for filling the gap between the high-pressure rubber tube and the side wall of the through hole to play a better role in fixing and sealing.
Drawings
Figure 1 is a schematic view of the overall structure of the present invention,
figure 2 is a schematic view of the construction of the connector block of the present invention,
FIG. 3 is a schematic view of the engagement of the connector block and the U-shaped latch of the present invention,
FIG. 4 is a schematic view of the U-shaped fastener of the present invention,
the connecting device comprises a connector block 1, a connector block 2, a piston rod 3, a connecting hole 4, a sealing ring 5, a through hole 6, a through groove 7, a limiting groove 8, a U-shaped clamping piece 81, an inserting part 82 and a grasping part.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the 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.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Fig. 1-4 show a specific embodiment of the utility model, and the connection structure of the hydraulic jack and the high-pressure rubber tube in the mining hydraulic support comprises a joint block 1 and a piston rod 2, wherein the joint block 1 is provided with a through hole 5 for the high-pressure rubber tube to penetrate through and be connected with the piston rod 2, the size of the through hole 5 is phi 20D10, the joint block 1 is spliced with the piston rod 2, the number of the through holes 5 is two, and the distance between the two through holes 5 is equal to the distance between the two joints of the high-pressure rubber tube.
The connecting hole 3 has been seted up on the piston rod 2, integrated into one piece has sealing ring 4 in the through-hole 5, sealing ring 4, it is coaxial between connecting hole 3 and the 5 three of through-hole, the internal diameter value of sealing ring 4 is less than the aperture diameter value of through-hole 5, the size of sealing ring 4 is phi 14H8 promptly, the internal diameter value of portion of inserting equals with the internal diameter value of sealing ring 4 when the high-pressure rubber tube inserts, afterwards, O type circle and retaining ring are filled to the upper end of sealing ring 4, the space that is used for filling up between high-pressure rubber tube and the 5 lateral walls of through-hole plays better fixed and sealed effect.
Lead to groove 6 has been seted up to the both sides of joint piece 1, and spacing groove 7 has been seted up to 5 lateral walls of through-hole, and spacing groove 7 is coaxial with leading to groove 6, and it has U type fastener 8 to peg graft in leading to groove 6, and U type fastener 8 runs through spacing groove 7.
The aperture value of the through groove 6, the aperture value of the limiting groove 7 and the thickness value of the U-shaped clamping piece 8 are equal, and the U-shaped clamping piece 8 is not easy to shake up and down after being inserted into the through groove 6 to play a limiting role.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (4)
1. Lead to connection structure of liquid jack and high-pressure rubber pipe in mining hydraulic support, its characterized in that: including joint piece and piston rod, the through-hole that supplies the high-pressure rubber pipe to run through and be connected with the piston rod is seted up to the joint piece, joint piece and piston rod concatenation, the connecting hole has been seted up on the piston rod, integrated into one piece has the sealing ring in the through-hole, the sealing ring the connecting hole with it is coaxial between the through-hole three, the internal diameter value of sealing ring is less than the aperture value of through-hole, logical groove has been seted up to the both sides of joint piece, the spacing groove has been seted up to the through-hole lateral wall, the spacing groove with it is coaxial to lead to the groove, it has U type fastener to lead to the inslot plug-in, U type fastener runs through the spacing groove.
2. The connecting structure of the hydraulic jack and the high-pressure rubber hose in the mining hydraulic support according to claim 1, characterized in that: the number of the through holes is two.
3. The connecting structure of the hydraulic jack and the high-pressure rubber hose in the mining hydraulic support according to claim 1, characterized in that: the U-shaped clamping piece comprises an inserting part and a grasping part, the inserting part penetrates through the through groove and the limiting groove, and the grasping part is arranged on the outer side of the joint block.
4. The connecting structure of the hydraulic jack and the high-pressure rubber hose in the mining hydraulic support according to claim 1, characterized in that: the aperture value of the through groove and the aperture value of the limiting groove hole are equal to the thickness value of the U-shaped clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543746.5U CN216477407U (en) | 2021-10-21 | 2021-10-21 | Connecting structure of hydraulic jack and high-pressure rubber tube in mining hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543746.5U CN216477407U (en) | 2021-10-21 | 2021-10-21 | Connecting structure of hydraulic jack and high-pressure rubber tube in mining hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477407U true CN216477407U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122543746.5U Active CN216477407U (en) | 2021-10-21 | 2021-10-21 | Connecting structure of hydraulic jack and high-pressure rubber tube in mining hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477407U (en) |
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2021
- 2021-10-21 CN CN202122543746.5U patent/CN216477407U/en active Active
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