CN215979839U - Center pull rod for high-pressure pump - Google Patents
Center pull rod for high-pressure pump Download PDFInfo
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- CN215979839U CN215979839U CN202122495514.7U CN202122495514U CN215979839U CN 215979839 U CN215979839 U CN 215979839U CN 202122495514 U CN202122495514 U CN 202122495514U CN 215979839 U CN215979839 U CN 215979839U
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- outer end
- rod
- pole
- sleeve
- middle section
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Abstract
The utility model discloses a central pull rod for a high-pressure pump, which comprises an outer end rod, a middle rod and a connecting block, wherein internal threads are respectively installed at two ends of the inner side of the middle rod, the outer end rod is respectively installed at two ends of the middle rod, an assembling structure is respectively arranged at one end of each outer end rod, the outer diameter of each outer end rod is smaller than the inner diameter of the middle rod, the connecting block is respectively installed at two ends of the inner part of the middle rod, and the outer diameter of each connecting block is smaller than the inner diameter of the outer end rod. According to the utility model, the pressing sheet is arranged at one end of the outer end rod, the pressing sheet is sleeved on the connecting block, the pressing sheet is rotated, the sleeve moves towards the inside of the middle rod under the meshing action of the threads, the pressing sheet is gradually tightened in the moving process of the sleeve until the pressing sheet completely clamps the connecting block, the assembling work of the outer end rod and the middle rod can be completed, and meanwhile, the sleeve is meshed with the internal threads through the external threads, so that the stability of the sleeve can be improved, and the sleeve is not easy to move in the using process.
Description
Technical Field
The utility model relates to the technical field of slurry pump accessories, in particular to a central pull rod for a high-pressure pump.
Background
With the development of times, the mud pump is widely applied, the mud pump refers to a machine for inputting mud, water and other flushing liquid into a drill hole in the process of oil drilling, and is an important component of drilling equipment.
The prior art scheme has the defects that the central pull rod is inconvenient to assemble and disassemble, the difficulty of maintaining or replacing the pull rod is increased to a certain degree, and the use efficiency of the central pull rod is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a center pull rod for a high-pressure pump, which is used for solving the defect that the existing center pull rod is inconvenient to assemble and disassemble.
(II) contents of utility model
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a central pull rod that high pressure pump was used, includes outer end pole, middle section pole and connecting block, the internal thread is all installed at the inboard both ends of middle section pole, outer end pole is all installed at the both ends of middle section pole, the one end of outer end pole all is provided with assembles the structure, the external diameter of outer end pole is less than the internal diameter of middle section pole, the connecting block is all installed at the inside both ends of middle section pole, and the external diameter of connecting block is less than the internal diameter of outer end pole.
Preferably, assemble the structure including external screw thread, preforming, sleeve and bell mouth, the preforming is all installed in the one end of outer end pole, the sleeve is all installed in the outside of preforming, and telescopic inside all installs the bell mouth, the external screw thread is all installed to telescopic lateral wall.
Preferably, the inner wall of the conical hole is provided with a thread matched with the pressing sheet, and the sleeve is meshed with the pressing sheet through the thread.
Preferably, the connecting blocks are symmetrically arranged and symmetrically distributed about the center of the middle rod.
Preferably, the inside of outer end pole is provided with additional strengthening, additional strengthening is including cavity, first strengthening rib and second strengthening rib, the inside of cavity installation at outer end pole, first strengthening rib is evenly installed to the inside of cavity, and the second strengthening rib is all installed at the both ends of first strengthening rib.
Preferably, the first reinforcing ribs are all located in the same horizontal plane, and the first reinforcing ribs are arranged in the cavity at equal intervals.
Preferably, the outer end pole all is provided with protective structure with the outside of middle section pole, protective structure is including wearing layer, anticorrosive coating and articulamentum, the articulamentum is installed in the outside of outer end pole and middle section pole, the anticorrosive coating is installed in the outside of articulamentum, and the wearing layer is installed in the outside of anticorrosive coating.
(III) advantageous effects
The center pull rod for the high-pressure pump has the advantages that:
(1) the pressing sheet is sleeved on the connecting block through the pressing sheet arranged at one end of the outer end rod, the pressing sheet is rotated, the sleeve moves towards the inside of the middle rod under the meshing action of the threads, the pressing sheet is gradually tightened in the moving process of the sleeve until the pressing sheet completely clamps the connecting block, the assembling work of the outer end rod and the middle rod can be completed, and meanwhile, the sleeve is meshed with the internal threads through the external threads, so that the stability of the sleeve can be improved, and the sleeve is not easy to move in the using process;
(2) the first reinforcing ribs are uniformly arranged on the inner side of the outer end rod, so that the strength inside the outer end rod can be enhanced under the combined action of the first reinforcing ribs and the second reinforcing ribs, the integral rigidity of the outer end rod is improved, the outer end rod is not easy to break in a long-term use process, and the service life of the outer end rod is prolonged;
(3) through the wearing layer of installing in the outer end pole and the middle section pole outside, under the effect of wearing layer, can strengthen the wear resistance of outer end pole and middle section pole, reduce the degree of wear of outer end pole and middle section pole, the anticorrosive coating can improve the corrosion resisting property of outer end pole and middle section pole, prolongs the life of outer end pole and middle section pole.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic three-dimensional structure of a mid-stem of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of the assembled structure of the present invention;
FIG. 4 is a schematic top view of a portion of the reinforcement structure of the present invention;
fig. 5 is a partial top view of the protection structure of the present invention.
The reference numerals in the figures illustrate: 1. an outer end rod; 2. a middle section bar; 3. an internal thread; 4. assembling the structure; 401. an external thread; 402. tabletting; 403. a sleeve; 404. a tapered hole; 5. connecting blocks; 6. a reinforcing structure; 601. a cavity; 602. a first reinforcing rib; 603. a second reinforcing rib; 7. a protective structure; 701. a wear layer; 702. an anticorrosive layer; 703. and (7) connecting the layers.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
Referring to fig. 1-5, an embodiment of the present invention is shown: a central pull rod for a high-pressure pump comprises an outer end rod 1, a middle rod 2 and a connecting block 5, wherein internal threads 3 are mounted at two ends of the inner side of the middle rod 2, the outer end rods 1 are mounted at two ends of the middle rod 2, an assembling structure 4 is arranged at one end of each outer end rod 1, each assembling structure 4 comprises an external thread 401, a pressing sheet 402, a sleeve 403 and a tapered hole 404, each pressing sheet 402 is mounted at one end of the outer end rod 1, each sleeve 403 is mounted at the outer side of each pressing sheet 402, each tapered hole 404 is mounted inside each sleeve 403, each external thread 401 is mounted on the outer side wall of each sleeve 403, threads matched with the corresponding pressing sheet 402 are formed in the inner wall of each tapered hole 404, each sleeve 403 is meshed with the corresponding pressing sheet 402 through the threads, and the outer end rod 1 can be conveniently assembled and disassembled;
the outer diameter of the outer end rod 1 is smaller than the inner diameter of the middle rod 2, the connecting blocks 5 are mounted at two ends of the inner portion of the middle rod 2, the outer diameter of each connecting block 5 is smaller than the inner diameter of the outer end rod 1, the connecting blocks 5 are symmetrically arranged, the connecting blocks 5 are symmetrically distributed about the center of the middle rod 2, the assembling stability of the outer end rod 1 is improved, the pressing sheet 402 is sleeved on the connecting blocks 5, the pressing sheet 402 is rotated, the sleeve 403 moves towards the inner portion of the middle rod 2 under the meshing effect of threads, the pressing sheet 402 is gradually tightened in the moving process of the sleeve 403 until the pressing sheet 402 completely clamps the connecting blocks 5, and the assembling work of the outer end rod 1 and the middle rod 2 can be completed;
the inner part of the outer end rod 1 is provided with the reinforcing structure 6, the reinforcing structure 6 comprises a cavity 601, a first reinforcing rib 602 and a second reinforcing rib 603, the cavity 601 is arranged in the outer end rod 1, the first reinforcing rib 602 is uniformly arranged in the cavity 601, the second reinforcing rib 603 is arranged at each of two ends of the first reinforcing rib 602, the first reinforcing ribs 602 are all positioned in the same horizontal plane, the first reinforcing ribs 602 are arranged in the cavity 601 at equal intervals, the deformation resistance of the outer end rod 1 is improved, the strength of the inner part of the outer end rod 1 can be enhanced through the combined action of the first reinforcing ribs 602 and the second reinforcing ribs 603, the overall rigidity of the outer end rod 1 is improved, the outer end rod 1 is not easy to break in the long-term use process, and the service life of the outer end rod 1 is prolonged;
The working principle is as follows: when the connecting rod is used, firstly, the pressing sheet 402 is sleeved on the connecting block 5, the pressing sheet 402 is rotated, the sleeve 403 moves towards the interior of the middle rod 2 under the meshing action of the threads, and in the moving process of the sleeve 403, the pressing sheet 402 is gradually tightened until the pressing sheet 402 completely clamps the connecting block 5, so that the assembly work of the outer end rod 1 and the middle rod 2 can be completed;
secondly, the strength inside the outer end rod 1 can be enhanced and the overall rigidity of the outer end rod 1 can be improved through the combined action of the first reinforcing rib 602 and the second reinforcing rib 603, so that the outer end rod 1 is not easy to break in the long-term use process, and the service life of the outer end rod 1 is prolonged;
finally, through the effect of wearing layer 701, can strengthen the wear resistance of outer end pole 1 and middle section pole 2, reduce the degree of wear of outer end pole 1 and middle section pole 2, anticorrosive coating 702 can improve the corrosion protection of outer end pole 1 and middle section pole 2, prolongs the life of outer end pole 1 and middle section pole 2.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a central pull rod that high pressure pump was used, includes outer end rod (1), middle section pole (2) and connecting block (5), its characterized in that: internal threads (3) are respectively installed at two ends of the inner side of the middle section rod (2), and outer end rods (1) are respectively installed at two ends of the middle section rod (2);
one end of each outer end rod (1) is provided with an assembling structure (4), and the outer diameter of each outer end rod (1) is smaller than the inner diameter of each middle rod (2);
connecting blocks (5) are installed at two ends of the interior of the middle section rod (2), and the outer diameter of each connecting block (5) is smaller than the inner diameter of the outer end rod (1).
2. The center stay for a high pressure pump according to claim 1, wherein: assemble structure (4) including external screw thread (401), preforming (402), sleeve (403) and bell mouth (404), preforming (402) all is installed in the one end of outer end pole (1), sleeve (403) are all installed in the outside of preforming (402), and bell mouth (404) are all installed to the inside of sleeve (403), external screw thread (401) are all installed to the lateral wall of sleeve (403).
3. The center stay for a high pressure pump according to claim 2, wherein: the inner wall of the conical hole (404) is provided with a thread matched with the pressing sheet (402), and the sleeve (403) is meshed with the pressing sheet (402) through the thread.
4. The center stay for a high pressure pump according to claim 1, wherein: the connecting blocks (5) are symmetrically arranged, and the connecting blocks (5) are symmetrically distributed about the center of the middle section rod (2).
5. The center stay for a high pressure pump according to claim 1, wherein: the utility model discloses a structure for reinforcing outer end pole (1), including cavity (601), first strengthening rib (602) and second strengthening rib (603), the inside of outer end pole (1) is installed including strengthening structure (6), cavity (601), first strengthening rib (602) and second strengthening rib (603), first strengthening rib (602) are evenly installed to the inside of cavity (601), and second strengthening rib (603) are all installed at the both ends of first strengthening rib (602).
6. The center stay for a high pressure pump according to claim 5, wherein: the first reinforcing ribs (602) are all located in the same horizontal plane, and the first reinforcing ribs (602) are arranged in the cavity (601) at equal intervals.
7. The center stay for a high pressure pump according to claim 1, wherein: outer end pole (1) all is provided with protective structure (7) with the outside of middle section pole (2), protective structure (7) are including wearing layer (701), anticorrosive coating (702) and articulamentum (703), the outside of outer end pole (1) and middle section pole (2) is installed in articulamentum (703), anticorrosive coating (702) are installed in the outside of articulamentum (703), and wearing layer (701) are installed in the outside of anticorrosive coating (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495514.7U CN215979839U (en) | 2021-10-15 | 2021-10-15 | Center pull rod for high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122495514.7U CN215979839U (en) | 2021-10-15 | 2021-10-15 | Center pull rod for high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215979839U true CN215979839U (en) | 2022-03-08 |
Family
ID=80573030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122495514.7U Active CN215979839U (en) | 2021-10-15 | 2021-10-15 | Center pull rod for high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215979839U (en) |
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2021
- 2021-10-15 CN CN202122495514.7U patent/CN215979839U/en active Active
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| CP03 | Change of name, title or address |
Address after: 618000 block B, duanjiaba, Tianyuan street, Jingyang District, Deyang City, Sichuan Province Patentee after: Sichuan Fengye Petroleum Machinery Co.,Ltd. Address before: 224000 No. 16, locomotive equipment Industrial Park, WuLie Town, Dongtai City, Yancheng City, Jiangsu Province Patentee before: Jiangsu Fengye Machinery Manufacturing Co.,Ltd. |