CN211258984U - Mud pump cylinder sleeve convenient to maintain - Google Patents
Mud pump cylinder sleeve convenient to maintain Download PDFInfo
- Publication number
- CN211258984U CN211258984U CN201922427530.5U CN201922427530U CN211258984U CN 211258984 U CN211258984 U CN 211258984U CN 201922427530 U CN201922427530 U CN 201922427530U CN 211258984 U CN211258984 U CN 211258984U
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- Prior art keywords
- arc
- shaped clamping
- ring
- threaded
- fixedly connected
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- 210000001503 joint Anatomy 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The utility model discloses a slush pump cylinder liner convenient to maintain relates to slush pump cylinder liner technical field, including the urceolus: an inner barrel is sleeved in the outer barrel, the left end of the inner barrel is fixedly connected with a butt joint ring, the left end of the butt joint ring is in threaded connection with two threaded rods, the right ends of the threaded rods penetrate through the fixed butt joint ring, the upper portion and the lower portion of the right end of the butt joint ring are fixedly connected with arc-shaped clamping blocks, the edges of the outer sides of the arc-shaped clamping blocks are fixedly connected with arc-shaped limiting blocks, a gasket is sleeved on the periphery of the inner barrel, through holes which are arranged in a left-right through mode are formed in the upper end and the lower end of the inner side of the gasket; through setting up arc cardboard and arc fixture block, improved the steadiness after inner tube and urceolus installation to the dismantlement of the inner tube of being convenient for is changed, avoids changing whole cylinder liner, and economical and practical more, and carries out the pressure release to the urceolus is inside through the pressure release pore, has improved the life of urceolus and inner tube.
Description
Technical Field
The utility model relates to a slush pump cylinder liner technical field especially relates to a slush pump cylinder liner convenient to maintain.
Background
The mud pump is a machine for conveying drilling fluid mud to a shaft in a drilling process, the mud pump is an important component of drilling equipment, a cylinder sleeve of the petroleum drilling mud pump is a key part, one end of the cylinder sleeve is assembled with a mud pump hydraulic cylinder assembly, and a piston rod at a power end is connected with a piston to perform high-pressure axial reciprocating motion in the cylinder sleeve so as to realize suction and discharge of the drilling mud.
Present mud pump cylinder liner, when the inner tube of cylinder liner damages, because the inner tube is difficult to dismantle, change whole cylinder liner usually, economical and practical inadequately, even some inner tubes can be dismantled from the urceolus in, but only fix through the screw, lead to the fixed back of inner tube and urceolus firm inadequately, and the cylinder liner is after long-time the use, the inside atmospheric pressure of urceolus can produce the atmospheric pressure difference with outside atmospheric pressure, if not in time with the inside atmospheric pressure of urceolus balanced with outside atmospheric pressure, can reduce the life of inner tube and urceolus, for this reason, we provide a mud pump cylinder liner convenient to maintain, in order to solve the above-mentioned technical problem who provides.
SUMMERY OF THE UTILITY MODEL
The utility model provides a slush pump cylinder liner convenient to maintain to the inner tube that solves above-mentioned background art and proposes is difficult to dismantle, leads to economical and practical inadequately, and only fixes the inner tube through the screw, and is not firm enough after fixed, and atmospheric pressure in the urceolus is difficult to with the problem of outside atmospheric pressure balance etc..
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mud pump cylinder liner convenient for maintenance comprises an outer cylinder:
the inner barrel is sleeved in the outer barrel, the left end of the inner barrel is fixedly connected with a butt joint ring, the left end of the butt joint ring is in threaded connection with two threaded rods, the right ends of the threaded rods penetrate through the fixed butt joint ring, the upper part and the lower part of the right end of the butt joint ring are fixedly connected with arc-shaped fixture blocks, the edges of the outer sides of the arc-shaped fixture blocks are fixedly connected with arc-shaped limiting blocks, the periphery of the inner barrel is sleeved with a gasket, the upper end and the lower end of the inner side of the gasket are respectively provided with a through hole which is arranged in a left-right through mode, the right end of the threaded rod penetrates through the through hole, the front part and the rear part of the right end of the gasket are fixedly connected with a positioning rod, the left end of the outer barrel is fixedly connected with a fixed pipe, the front part and the rear part of the left, and the arc fixture block with arc cardboard joint, the urceolus periphery is located fixed pipe right-hand member threaded connection has the interior screw thread ring, just the interior screw thread ring right-hand member has connect the sealing washer, the urceolus periphery is located the right-hand member fixedly connected with solid fixed ring of sealing washer, just the urceolus front end is located to open between sealing washer and the solid fixed ring inboard has the pressure release hole, the inside joint of pressure release hole has the sealing plug.
Further, the external diameters of the fixed ring, the gasket and the fixed pipe are equal, and the gasket is not in contact with the inner cylinder.
Furthermore, a groove with the depth of 1cm is formed in one end, close to the inner wall of the fixed pipe, of the arc-shaped clamping plate, the thickness of the arc-shaped clamping block is 1cm, the width of the arc-shaped clamping block is smaller than that of the arc-shaped clamping plate, and the inner end face of the arc-shaped limiting block is in contact with the right end face of the arc-shaped clamping plate.
Furthermore, the contact surface of the outer cylinder and the sealing ring is smooth.
Furthermore, the pressure relief hole is communicated with the inside of the outer barrel, and a groove is formed in the outer side of the sealing plug.
Compared with the prior art, the utility model discloses the beneficial effect who realizes:
through the joint of arc cardboard and arc fixture block, rethread arc stopper carries out spacing fixed, the screw is screwed up again, the convenience and the steadiness when the installation of inner tube and urceolus have been improved, when the inner tube needs to be changed, rotate the inner tube, and make arc cardboard and arc fixture block separation, then outwards twitch the inner tube, consequently, be convenient for dismantle the inner tube from the urceolus in, thereby be convenient for change and maintain the inner tube, the condition emergence of having avoided changing whole cylinder liner, and economical and practical more, and set up the packing ring at the junction of butt joint ring and fixed pipe, the wearing and tearing of butt joint ring and fixed pipe have been reduced, and through setting up the pressure release hole, be convenient for the inside pressure release that carries on of urceolus, thereby improve the life of inner.
Drawings
Fig. 1 is a schematic view of the overall split structure of the present invention;
FIG. 2 is a schematic view of a partially enlarged structure A of the present invention;
FIG. 3 is a schematic view of the structure of the fixing tube of the present invention;
FIG. 4 is a schematic view of the docking ring structure of the present invention;
fig. 5 is a schematic view of the overall structure of the present invention.
In FIGS. 1-5: the sealing device comprises an outer barrel 1, an inner barrel 2, a fixing pipe 3, an internal thread ring 4, a sealing ring 5, a fixing ring 6, a pressure relief hole 7, a sealing plug 8, a through hole 9, a gasket 10, an arc-shaped clamping plate 11, an arc-shaped clamping block 12, an arc-shaped limiting block 13, a butt joint ring 14, a threaded rod 15, a positioning hole 16, a threaded hole 17 and a positioning rod 18.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the mechanisms, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the mechanisms, change of the ratio relationship, or adjustment of the size should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Please refer to fig. 1 to 5:
the utility model provides a slush pump cylinder liner convenient to maintain, including urceolus 1, each part of a slush pump cylinder liner convenient to maintain is described in detail below:
the inner barrel 2 is sleeved in the outer barrel 1, the left end of the inner barrel 2 is fixedly connected with a butt-joint ring 14, the left end of the butt-joint ring 14 is in threaded connection with two threaded rods 15, the right end of each threaded rod 15 penetrates through the fixed butt-joint ring 14, the upper portion and the lower portion of the right end of the butt-joint ring 14 are fixedly connected with arc-shaped fixture blocks 12, the outer edges of the outer sides of the arc-shaped fixture blocks 12 are fixedly connected with arc-shaped limiting blocks 13, the periphery of the inner barrel 2 is sleeved with a gasket 10, the upper end and the lower end of the inner side of the gasket 10 are respectively provided with a through hole 9 which is arranged in a left-right through mode, the right end of each threaded rod 15 penetrates through the through hole 9, the front portion and the rear portion of the right end of the gasket 10 are respectively and fixedly connected with a positioning rod 18, the left end and the rear, the threaded rod 15 is in threaded connection with a threaded hole 17, the upper end and the lower end of the inside of the fixed tube 3 are fixedly connected with an arc-shaped clamping plate 11, the arc-shaped clamping plate 12 is clamped with the arc-shaped clamping plate 11, the outer diameters of the fixed ring 14, the gasket 10 and the fixed tube 3 are equal, the gasket 10 is not in contact with the inner tube 2, a groove with the depth of 1cm is formed in one end, close to the inner wall of the fixed tube 3, of the arc-shaped clamping plate 11, the thickness of the arc-shaped clamping plate 12 is 1cm, the width of the arc-shaped clamping plate 12 is smaller than that of the arc-shaped clamping plate 11, and the inner end face of the arc;
specifically, when the inner cylinder 2 needs to be installed in the outer cylinder 1, the positioning rod 18 on the gasket 10 is abutted with the positioning hole 16 on the fixed pipe 3, so that the gasket 10 is tightly attached to the left end of the fixed pipe 3, the abutting joint of the positioning rod 18 and the positioning hole 16 can prevent the gasket 10 from being separated from the fixed pipe 3 when being installed, then most of the front end of the inner cylinder 2 is inserted into the inner and outer cylinders 1, because the gasket 10 is not in contact with the inner cylinder 2, the inner cylinder 2 and the gasket 10 are prevented from being rubbed, then the arc-shaped fixture block 12 and the arc-shaped fixture plate 11 are arranged in a staggered manner, after the arc-shaped fixture block 12 enters the fixed pipe 3, the abutting ring 14 is rotated clockwise, the abutting ring 14 is in contact with the gasket 10 and generates flexible friction, the gasket 10 reduces the abrasion between the abutting ring 14 and the fixed pipe 3, at the moment, the arc-shaped fixture block 12 is clamped with the arc-shaped, and one end of the arc-shaped clamping plate 11 close to the inner wall of the fixed tube 3 is provided with a groove with the depth of 1cm, so the thickness of the arc-shaped clamping block 12 can be filled in the gap between the arc-shaped clamping plate 11 and the fixed tube 3, and the width of the arc-shaped clamping block 12 is smaller than that of the arc-shaped clamping plate 11, at the moment, the arc-shaped limiting block 13 can be contacted with the right end of the arc-shaped clamping plate 11, because the arc-shaped limiting block 13 limits the arc-shaped clamping block 12, under the condition that the inner tube 2 is not rotated, the inner tube 2 can not be separated from the outer tube 1, then the threaded rod 15 passes through the through hole 9, and the threaded rod 15 is in threaded fixation with the threaded hole 17, at the moment, the inner tube 2 can be prevented from rotating with the outer tube 1, thereby the installation and fixation of the inner tube 2 and the outer tube 1 are convenient, the stability, after the arc cardboard 11 does not connect with arc fixture block 12, outside pulling inner tube 2, then can be convenient dismantle the maintenance to inner tube 2, the condition of having avoided changing whole cylinder liner takes place, economical and practical more.
An internal thread ring 4 is connected to the periphery of the outer barrel 1 and positioned at the right end of the fixing pipe 3 in a threaded manner, a sealing ring 5 is connected to the right end of the internal thread ring 4, a fixing ring 6 is fixedly connected to the periphery of the outer barrel 1 and positioned at the right end of the sealing ring 5, a pressure relief hole 7 is formed in the front end of the outer barrel 1 and positioned between the sealing ring 5 and the inner side of the fixing ring 6, a sealing plug 8 is clamped in the pressure relief hole 7, the contact surface between the outer barrel 1 and the sealing ring 5 is smooth, the pressure relief hole 7 is communicated with the interior of the outer barrel 1, and a groove is formed in;
further, when needs carry out the pressure release to urceolus 1 inside, twist and move internal thread ring 4, and make sealing washer 5 and solid fixed ring 6 separation, pressure release hole 7 then exposes on urceolus 1 this moment, because open flutedly in the outside of sealing plug 8, therefore instrument such as the pliers of being convenient for takes out sealing plug 8 from pressure release hole 7 through the recess, urceolus 1 is inside then can communicate with each other with the outside through pressure release hole 7 this moment, thereby make the inside atmospheric pressure of urceolus 1 balanced with outside atmospheric pressure, the life of inner tube 2 with urceolus 1 has been improved, the back is accomplished in the pressure release, with sealing plug 8 joint to in pressure release hole 7, and 8 then carry out sealing process to pressure release hole 7, prevent that outside impurity from getting into urceolus 1 in, and reverse twist and move internal thread ring 4, and make sealing washer 5 lid on pressure release hole 7, make the sealing performance of urceol.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a mud pump cylinder liner convenient to maintain, includes urceolus (1), its characterized in that:
the inner barrel (2) is sleeved in the outer barrel (1), the left end of the inner barrel (2) is fixedly connected with a butt joint ring (14), the left end of the butt joint ring (14) is in threaded connection with two threaded rods (15), the right end of each threaded rod (15) penetrates through the fixed butt joint ring (14), the upper portion and the lower portion of the right end of the butt joint ring (14) are fixedly connected with arc-shaped clamping blocks (12), the outer side edges of the arc-shaped clamping blocks (12) are fixedly connected with arc-shaped limiting blocks (13), a gasket (10) is sleeved on the periphery of the inner barrel (2), through holes (9) which are arranged in a left-right through mode are formed in the upper end and the lower end of the inner side of the gasket (10), the right end of each threaded rod (15) penetrates through the through hole (9), positioning rods (18) are fixedly connected to the, positioning holes (16) are formed in the front and rear parts of the left end of the fixed pipe (3), the positioning rods (18) are in butt joint with the positioning holes (16), threaded holes (17) are formed in the upper and lower parts of the left end of the fixed pipe (3), the threaded rods (15) are in threaded connection with the threaded holes (17), arc-shaped clamping plates (11) are fixedly connected to the upper and lower ends of the inner part of the fixed pipe (3), the arc-shaped clamping blocks (12) are clamped with the arc-shaped clamping plates (11), an inner threaded ring (4) is connected to the periphery of the outer barrel (1) and located at the right end of the fixed pipe (3) in a threaded manner, a sealing ring (5) is connected to the right end of the inner threaded ring (4), a fixing ring (6) is fixedly connected to the periphery of the outer barrel (1) and located at the right end of the sealing ring (5), and a pressure relief hole (7) is formed in, and a sealing plug (8) is clamped in the pressure relief hole (7).
2. The easy-to-maintain mud pump cylinder liner of claim 1, wherein: the outer diameters of the butt ring (14), the gasket (10) and the fixed pipe (3) are equal, and the gasket (10) is not in contact with the inner cylinder (2).
3. The easy-to-maintain mud pump cylinder liner of claim 1, wherein: one end of the arc-shaped clamping plate (11) close to the inner wall of the fixed pipe (3) is provided with a groove with the depth of 1cm, the thickness of the arc-shaped clamping block (12) is 1cm, the width of the arc-shaped clamping block (12) is smaller than that of the arc-shaped clamping plate (11), and the inner end face of the arc-shaped limiting block (13) is in contact with the right end face of the arc-shaped clamping plate (11).
4. The easy-to-maintain mud pump cylinder liner of claim 1, wherein: the contact surface between the outer cylinder (1) and the sealing ring (5) is smooth.
5. The easy-to-maintain mud pump cylinder liner of claim 1, wherein: the pressure relief hole (7) is communicated with the interior of the outer barrel (1), and a groove is formed in the outer side of the sealing plug (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427530.5U CN211258984U (en) | 2019-12-27 | 2019-12-27 | Mud pump cylinder sleeve convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427530.5U CN211258984U (en) | 2019-12-27 | 2019-12-27 | Mud pump cylinder sleeve convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258984U true CN211258984U (en) | 2020-08-14 |
Family
ID=71990893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922427530.5U Expired - Fee Related CN211258984U (en) | 2019-12-27 | 2019-12-27 | Mud pump cylinder sleeve convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211258984U (en) |
-
2019
- 2019-12-27 CN CN201922427530.5U patent/CN211258984U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |