CN212155063U - Oblique shaft type center rod structure - Google Patents
Oblique shaft type center rod structure Download PDFInfo
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- CN212155063U CN212155063U CN202020539342.1U CN202020539342U CN212155063U CN 212155063 U CN212155063 U CN 212155063U CN 202020539342 U CN202020539342 U CN 202020539342U CN 212155063 U CN212155063 U CN 212155063U
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- main shaft
- plunger
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Abstract
The utility model discloses a well core rod structure to one side shaft type. The utility model provides a central rod structure of oblique shaft type, includes the casing, installs the protecgulum of casing one end and installs the back lid of the casing other end, wherein be equipped with cylinder body and a activity in the casing and install the main shaft at protecgulum middle part the cylinder body bottom is equipped with the mounting hole, and the activity is installed in this mounting hole one end can pass the cylinder body with well core rod that the back lid is connected the cylinder body is close to the one end of main shaft install can with main shaft swing joint's central spring holder and plunger. The utility model relates to a well core rod structure in oblique shaft type can improve organism operating stability and long service life.
Description
Technical Field
The utility model relates to a technical field that the plunger pump was made especially relates to a well core rod structure to one side shaft type.
Background
In a traditional inclined shaft type plunger pump structure, a main shaft, a cylinder body and an oil distribution disc are connected together through a central rod, lateral force, centrifugal force and the like generated by the cylinder body and a plunger during working can act on the central rod at the same time, because the central rod rotates together with the cylinder body, the cylinder body needs to rotate and work through the support of the central rod, the requirement of the coupling of multiple parts on the machining precision of parts is higher, in addition, the central rod is stressed greatly during high speed and high pressure, the contact position of the central rod and the oil distribution disc and the contact position of the central rod and the cylinder body are easy to extrude and wear, the cylinder body plunger is unstable during rotation, the generated noise can be increased, the operation of the whole machine body is unstable, the machine body is easy to damage, and the service life of the central rod can be greatly.
How to solve the above problems is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can improve organism operating stability and long service life's oblique shaft type well core rod structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pair of well core rod structure of oblique axis type, include the casing, install the protecgulum of casing one end with install the back lid of the casing other end, wherein be equipped with cylinder body and an activity in the casing and install the main shaft at protecgulum middle part the cylinder body bottom is equipped with the mounting hole, and the activity is installed in this mounting hole one end can pass the cylinder body with well core rod that the back lid is connected the cylinder body be close to the one end of main shaft install can with main shaft swing joint's central spring holder and plunger.
Furthermore, a connecting hole is formed in the middle of the end face of the cylinder body, which is close to the main shaft, a central spring seat is arranged in the connecting hole, and a main shaft ball socket which can be matched with the central spring seat to movably connect the main shaft and the cylinder body is arranged in the middle of the end face of the main shaft, which is close to the cylinder body.
Furthermore, the end surface of the cylinder body close to the main shaft is also provided with at least two plunger holes, the plungers are movably arranged in the plunger holes, and one end of the main shaft close to the cylinder body is provided with a plunger ball socket which can be matched with a plunger head of the plunger to movably connect the main shaft and the cylinder body together.
Furthermore, an oil distribution disc is arranged between the cylinder body and the rear cover, the oil distribution disc is arranged on the rear cover, the upper end of the oil distribution disc is in contact fit with the cylinder body, a window capable of being correspondingly matched with the plunger hole is formed in the oil distribution disc, and the central rod penetrates through the oil distribution disc to be connected with the rear cover.
Due to the adoption of the structure, the utility model discloses the beneficial effect who has as follows:
the utility model relates to a well core rod structure in oblique shaft type, can provide the holding power for the cylinder body through well core rod, the cylinder body rotates and well core rod is not rotatory thereupon, rethread center spring holder, main shaft and cylinder body are connected to the plunger, the event can make the main shaft, cylinder body and plunger are undertaken by well core rod and center spring holder jointly at the lateral force and the centrifugal force etc. that the during operation produced, avoid well core rod atress too big, owing to reduce with well core rod coupling part, can reduce extrusion and wearing and tearing to well core rod, thereby the main shaft, cylinder body and plunger can remain stable when rotatory, make whole organism operation stable, reduce the processing degree of difficulty, can prolong well core rod's life simultaneously, consequently the utility model relates to a well core rod structure in oblique shaft type can improve organism operating stability.
The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is the utility model relates to a structural schematic diagram of an oblique axis type center rod structure.
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, the hydraulic drive device comprises a housing 1, a front cover 2 mounted at one end of the housing 1, and a rear cover 3 mounted at the other end of the housing 1, wherein a cylinder 4 and a main shaft 5 movably mounted in the middle of the front cover 2 are arranged in the housing 1, a mounting hole 41 is arranged at the bottom of the cylinder 4, a center rod 6 with one end capable of penetrating through the cylinder 4 and connecting with the rear cover 3 is movably mounted in the mounting hole 41, and a center spring seat 7 and a plunger 8 capable of movably connecting with the main shaft 5 are mounted at one end of the cylinder 4 close to the main shaft 5; well core rod 6 can provide the bearing force for cylinder body 4, thereby well core rod 6 is connected with back lid 3 and is not rotated along with the rotation of cylinder body 4, cylinder body 4 and main shaft 5 are in the same place through central spring holder 7 and plunger 8 swing joint, can make main shaft 5, lateral force and centrifugal force etc. that cylinder body 4 and plunger 8 produced at the during operation undertake well core rod 6 and central spring holder 7 jointly, avoid well core rod 6 atress too big, the quantity with well core rod 6 coupling part has been reduced simultaneously, can reduce the extrusion and the wearing and tearing to well core rod 6, thereby can prolong well core rod 6's life, keep main shaft 5, cylinder body 4 and plunger 8 steady when rotatory going on, make whole organism operation stable.
In the utility model, a connecting hole 43 is arranged in the middle of the end surface of the cylinder body 4 close to the main shaft 5, a central spring seat 7 is arranged in the connecting hole 43, and a main shaft ball socket 51 which can be matched with the central spring seat 7 to movably connect the main shaft 5 and the cylinder body 4 is arranged in the middle of the end surface of the main shaft 5 close to the cylinder body 4; the central spring seat 7 is matched with the spindle ball socket 51 and the connecting hole 43 to movably connect the spindle 5 and the cylinder 4 together.
In the utility model, at least two plunger holes 42 are arranged on the end surface of the cylinder body 4 close to the main shaft 5, the plunger 8 is movably arranged in the plunger holes 42, and one end of the main shaft 5 close to the cylinder body 4 is provided with a plunger ball socket 52 which can be matched with the plunger head of the plunger 8 to movably connect the main shaft 5 and the cylinder body 4 together; the plunger 8 can reciprocate within the plunger bore 42 as the cylinder 4 rotates.
In the utility model, an oil distribution disc 9 is arranged between the cylinder body 4 and the rear cover 3, the oil distribution disc 9 is arranged on the rear cover 3, the upper end of the oil distribution disc 9 is in contact fit with the cylinder body 4, a window 91 which can be correspondingly matched with the plunger hole 42 is arranged on the oil distribution disc 9, and the central rod 6 passes through the oil distribution disc 9 and is connected with the rear cover 3; oil in the plunger hole 42 can pass through the window 91, and the plunger 8 can absorb and press oil by matching with the window 91 of the oil distribution disc 9 when reciprocating in the plunger hole 42.
The utility model discloses during the specific use, 6 one ends of well core rod are connected with back lid 3, 6 other ends of well core rod and 4 swing joint of cylinder body, cylinder body 4 is in the same place through central spring holder 7 and plunger 8 and 5 swing joint of main shaft, main shaft 5 rotates and drives cylinder body 4 through central spring holder 7 and plunger 8 and rotates, 6 supporting cylinder bodies 4 of well core rod and not rotate along with the cylinder body 4 is rotatory, thereby plunger 8 in plunger hole 42 carries out reciprocating motion and with join in marriage window 91 cooperation realization oil absorption and pressure oil on the food tray 9.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (4)
1. The utility model provides a central rod structure of shaft type to one side, includes casing (1), installs protecgulum (2) of casing (1) one end and install back lid (3) of casing (1) other end, its characterized in that: be equipped with cylinder body (4) and a activity in casing (1) and install main shaft (5) at protecgulum (2) middle part cylinder body (4) bottom is equipped with mounting hole (41), and this mounting hole (41) internalization is installed one end can pass cylinder body (4) with well core rod (6) that back lid (3) are connected cylinder body (4) be close to main shaft (5) one end install can with main shaft (5) swing joint's central spring holder (7) and plunger (8).
2. The slanted shaft center pole structure of claim 1, wherein: the end face middle part that cylinder body (4) are close to main shaft (5) is equipped with connecting hole (43), install in connecting hole (43) central spring seat (7) main shaft (5) are close to the end face middle part of cylinder body (4) be equipped with can with central spring seat (7) cooperation makes main shaft (5) and cylinder body (4) swing joint's main shaft ball socket (51).
3. An inclined central rod structure as claimed in claim 1 or 2, wherein: the end face, close to the main shaft (5), of the cylinder body (4) is further provided with at least two plunger holes (42), the plungers (8) are movably arranged in the plunger holes (42), and one end, close to the cylinder body (4), of the main shaft (5) is provided with plunger ball sockets (52) which can be matched with plunger heads of the plungers (8) to enable the main shaft (5) and the cylinder body (4) to be movably connected together.
4. The slanted shaft center pole structure of claim 1, wherein: be equipped with between cylinder body (4) and back lid (3) and join in marriage oil pan (9), join in marriage oil pan (9) and install on back lid (3) and should join in marriage the upper end of oil pan (9) with cylinder body (4) contact cooperation be equipped with on joining in marriage oil pan (9) and can correspond complex window (91) with plunger hole (42), well core rod (6) pass join in marriage oil pan (9) with back lid (3) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539342.1U CN212155063U (en) | 2020-04-14 | 2020-04-14 | Oblique shaft type center rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020539342.1U CN212155063U (en) | 2020-04-14 | 2020-04-14 | Oblique shaft type center rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155063U true CN212155063U (en) | 2020-12-15 |
Family
ID=73720494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020539342.1U Active CN212155063U (en) | 2020-04-14 | 2020-04-14 | Oblique shaft type center rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155063U (en) |
-
2020
- 2020-04-14 CN CN202020539342.1U patent/CN212155063U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of inclined axis center bar structure Effective date of registration: 20210427 Granted publication date: 20201215 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU HALCYON HYDRAULIC Co.,Ltd. Registration number: Y2021980003081 |