CN213416110U - Stepless speed reduction device for hydraulic component - Google Patents
Stepless speed reduction device for hydraulic component Download PDFInfo
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- CN213416110U CN213416110U CN202022548664.5U CN202022548664U CN213416110U CN 213416110 U CN213416110 U CN 213416110U CN 202022548664 U CN202022548664 U CN 202022548664U CN 213416110 U CN213416110 U CN 213416110U
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- hydraulic cylinder
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Abstract
The utility model discloses a stepless speed reduction device of a hydraulic component, which comprises a base assembly, a pump body, a pump core, a pressing device, a hydraulic cylinder shell, a hydraulic cylinder, a top cap, a piston rod and an oil return valve body, wherein the pump body is arranged at the position close to the top outside the base assembly and at the right side of the base assembly, the right side of the base assembly is provided with the pump body, the pump core is arranged at the left side of the pump body and at the right side of the central position of the base assembly, the pressing device is arranged at the top of the pump core and the pump body, the hydraulic cylinder shell is arranged at the central position of the top of the base assembly, the hydraulic cylinder is arranged in the inner cavity of the hydraulic cylinder shell, the stepless speed reduction device achieves the effect of convenient disassembly and installation through the matching between the base assembly and the hydraulic cylinder shell, the problem of inconvenient disassembly in the past is solved, the effect of stable lifting of heavy objects through the matching between the pump body and the pressing device, the problem of manual operation of not being convenient for in the past is solved.
Description
Technical Field
The utility model relates to a hydraulic pressure part technical field specifically is a hydraulic pressure part's stepless deceleration device.
Background
The hydraulic part of the jack is used as the main part of the hoisting equipment and has wide application. From the prior art and common hydraulic parts of the jack, the traditional hydraulic jack parts mostly consider strength and load capacity, only need to jack up, and put down, and do not generate permanent deformation after being used under a rated load, and the like, but neglect to control the descending speed of the jack under a heavy load for a long time. Generally speaking, when a jack user who is not skilled in the art releases a hydraulic component return valve rod, the speed of unscrewing a thread is difficult to control, the thread cannot be unscrewed, or the return valve rod is unscrewed, high-pressure oil in a hydraulic system quickly returns to an oil storage cavity, so that huge vibration of a jacking object is caused, and even a body of the jack is seriously damaged and fails.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic component's stepless deceleration device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a stepless speed reduction device of a hydraulic component comprises a base assembly, a pump body, a pump core, a hand pressing device, a hydraulic cylinder shell, a hydraulic cylinder, a top cap, a piston rod and an oil return valve body, wherein the pump body is arranged at the position, close to the top, of the outer side of the base assembly and is arranged at the right side of the base assembly, the pump body is arranged at the right side of the base assembly, the pump core is arranged at the left side of the pump body and is arranged at the right side of the central position of the base assembly, the hand pressing device is arranged at the tops of the pump core and the pump body, the hydraulic cylinder shell is arranged at the central position of the top of the base assembly, the hydraulic cylinder is arranged in the inner cavity of the hydraulic cylinder shell, the top cap is sleeved at the outer side of the top of the hydraulic cylinder and is arranged at the top of the hydraulic cylinder shell, the piston rod is arranged at the top of the inner cavity of the top, and is arranged in the inner cavity position of the front surface of the base assembly.
Preferably, the base assembly includes the base body and supporting shoe, the base body adopts detachable structure setting to form for the main part of base assembly, and its inner chamber still is provided with oil absorption oil piping system, presses oil piping system, check valve steel ball, oil return system, oil piping system and high-pressure oil release return circuit system and constitutes, the setting of supporting shoe equidistance is in the outside of the base body.
Preferably, high-pressure oil release return circuit system includes check valve steel ball, oil storage cavity, oil return oil circuit and oil return valve body, the outside of check valve steel ball is provided with the oil return oil circuit with oil storage cavity direct, and forms the vice oil return valve body of screw thread with the base screw hole, the lower terminal surface of oil return valve body compresses tightly or loosens the steel ball, controls opening and shutting of oil return disk seat, the below of check valve steel ball still is equipped with compression spring, be provided with hole axle clearance fit's gradual opening formula removal case between compression spring and the check valve steel ball.
Preferably, the matching hole of the outer circle of the involute type movable valve core is communicated with an oil way which is directly communicated with a working oil cavity of the hydraulic oil cylinder.
Preferably, the involute type movable valve core is axially provided with an oil path, and is also radially provided with an annular groove and a through hole oil path.
Preferably, the pump body, the hydraulic cylinder and the base assembly are connected by threads and are arranged in a detachable structure, the piston rod and the hydraulic cylinder shell are fixedly connected onto the base assembly by the top cap, the lower end of the pressing device is further provided with a connecting pin shaft which is arranged in a detachable structure, the pressing device and the pump core are positioned in the base assembly and the pump body by the pin shaft, an oil storage cavity is formed in the hydraulic cylinder shell and is filled with hydraulic oil, the base assembly is provided with a basic oil absorption oil path and a check valve steel ball, and the base assembly is further provided with a pressure oil path and a check valve steel ball.
Preferably, the oil return system is further provided with an oil return path, an oil return valve body and a check valve steel ball, an involute type movable valve core is arranged in a closed area of the inner portion of the check valve steel ball communicated with the oil return path, a gap between an outer circle of the involute type movable valve core and the matching hole is small, and an inner end face of the involute type movable valve core is connected with the compression spring.
Preferably, the involute type movable valve core is further provided with an annular groove, a through hole oil way and an oil way, the oil return oil way is communicated with a working oil cavity of the hydraulic oil cylinder, an oil suction oil way communicated with the oil storage cavity is communicated with an oil cavity of the pump body through a one-way valve steel ball, and an oil pressing oil way communicated with the oil cavity of the pump body is communicated with the working oil cavity of the hydraulic oil cylinder through a one-way valve steel ball.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the stepless speed reduction device achieves the effect of convenient disassembly and assembly through the matching between the base assembly and the hydraulic cylinder shell, and solves the problem of inconvenient disassembly in the past.
2. The stepless speed reduction device achieves the effect of stably lifting heavy objects through simple manual operation by matching the pump body with the hand pressing device, and solves the problem of inconvenient manual operation in the past.
3. The stepless speed reduction device achieves the using effect of convenient and simple replacement or maintenance through the matching between the hydraulic oil cylinder and the top cap, and solves the problem that the replacement part is not convenient to detach in the past.
4. This stepless deceleration device through the cooperation between each part, has reached inside movable valve core and the compression spring that sets up hole axle clearance fit of traditional one-way disk seat to manual operation realizes the infinitely variable control return oil flow in the true sense, ensures that the jack carries the controllable and safe effect of operation of load decline speed, has solved in the past and can not carry out the manual regulation return oil mass in the true sense and ensure that the jack carries the controllable security problem of heavy object decline speed.
5. This stepless deceleration device through the cooperation between base assembly, the pump body, pump core, the thumb-piece ware, the hydraulic cylinder casing, hydraulic cylinder, hood, piston rod and the oil return valve body, has reached structural design compactness, and convenient to use and speed can be controlled according to required requirement, and the practicality is stronger, the higher effect of security, has solved and has not had to carry out oil return control and the great inconvenient problem of operation of volume according to required requirement in the past.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a side view of the overall structure of the present invention;
fig. 4 is a top view of the overall structure of the present invention.
In the figure: the hydraulic pump comprises a base assembly 1, a pump body 2, a pump core 3, a hand press 4, a hydraulic cylinder shell 5, a hydraulic oil cylinder 6, a top cap 7, a piston rod 8, an oil return valve body 9, a base body 101 and a support block 102.
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. 1-4, the present invention provides a technical solution: a stepless speed reduction device of a hydraulic component comprises a base assembly 1, a pump body 2, a pump core 3, a hand pressing device 4, a hydraulic cylinder shell 5, a hydraulic cylinder 6, a top cap 7, a piston rod 8 and an oil return valve body 9, wherein the pump body 2 is arranged at the position, close to the top, of the outer side of the base assembly 1 and is arranged at the right side of the base assembly 1, the pump body 2 is arranged at the right side of the base assembly 1, the pump core 3 is arranged at the left side of the pump body 2 and is arranged at the right side of the central position of the base assembly 1, the hand pressing device 4 is arranged at the top of the pump core 3 and the pump body 2, the hydraulic cylinder shell 5 is arranged at the central position of the top of the base assembly 1, the hydraulic cylinder 6 is arranged in an inner cavity of the hydraulic cylinder shell 5, the top cap 7 is sleeved at the outer side of the top of the hydraulic cylinder 6 and is arranged at the top of, the oil return valve body 9 is arranged at the outer side of the front surface of the base assembly 1 and is arranged at the position of an inner cavity of the front surface of the base assembly 1, the base assembly 1 comprises a base body 101 and a supporting block 102, the base body 101 is a main body of the base assembly 1 and is formed by adopting a detachable structure, the inner cavity of the base assembly is also provided with an oil suction oil path system, an oil pressing oil path system, a one-way valve steel ball, an oil return system, an oil path system and a high-pressure oil releasing loop system, the supporting block 102 is arranged at the outer side of the base body 101 at equal intervals, the high-pressure oil releasing loop system comprises the one-way valve steel ball, an oil storage cavity, an oil return path and an oil return valve body 9, the outer part of the one-way valve steel ball is provided with the oil return path which is directly communicated with the oil storage cavity, the oil return valve body 9 forms a thread pair with, an involute type movable valve core with hole-shaft clearance fit is arranged between a compression spring and a check valve steel ball, a matching hole on the excircle of the involute type movable valve core is communicated with an oil way which is directly communicated with a working oil cavity of a hydraulic oil cylinder 6, an oil way is arranged in the axial direction of the involute type movable valve core, an annular groove and a through hole oil way are also arranged in the radial direction of the involute type movable valve core, a pump body 2, the hydraulic oil cylinder 6 and a base assembly 1 are connected through threads and are arranged in a detachable structure, a piston rod 8 and a hydraulic cylinder shell 5 are fixedly connected onto the base assembly 1 through a top cap 7, a connecting pin shaft is further arranged at the lower end of a hand pressing device 4, the hand pressing device 4 and a pump core 3 are positioned in the base assembly 1 and the pump body 2 through the pin shaft, an oil storage cavity is formed in the hydraulic cylinder shell 5 and hydraulic oil is injected into the hydraulic oil way, a, the oil return system is also provided with an oil return oil path, an oil return valve body 9 and a one-way valve steel ball, an involute type movable valve core is arranged in a closed area inside the one-way valve steel ball communicated with the oil return oil path, the clearance between the excircle of the involute type movable valve core and a matching hole is small, the inner end face of the involute type movable valve core is connected with a compression spring, an annular groove, a through hole oil path and an oil path are further arranged on the involute type movable valve core, the oil return oil path is communicated with a working oil cavity of the hydraulic oil cylinder 6, an oil suction oil path communicated with the oil storage cavity is communicated with an oil cavity of the pump body 2 through the one-way valve.
The working principle is as follows: the stepless speed reduction device is reasonable and compact in structural design, convenient to detach and simple and convenient to use, firstly, in the installation process, the stepless speed reduction device of a hydraulic component comprises a base assembly 1, a pump body 2, a pump core 3, a pressing device 4, a hydraulic cylinder shell 5, a hydraulic oil cylinder 6, a top cap 7, a piston rod 8 and an oil return valve body 9, wherein the pump body 2 is arranged at the position, close to the top, of the outer side of the base assembly 1 and is arranged at the right side of the base assembly 1, the right side of the base assembly 1 is provided with the pump body 2, the pump core 3 is arranged at the left side of the pump body 2 and is arranged at the right side of the central position of the base assembly 1, the pressing device 4 is arranged at the tops of the pump core 3 and the pump body 2, the hydraulic cylinder shell 5 is arranged at the central position of the top of the base assembly 1, an inner cavity of the hydraulic oil cylinder shell 5 is provided with the hydraulic oil cylinder, the top of the inner cavity of the hydraulic cylinder 6 is provided with a piston rod 8 which is arranged at the top of the inner cavity of the top cap 7, an oil return valve body 9 is arranged at the outer side of the front surface of the base assembly 1 and is arranged at the inner cavity of the front surface of the base assembly 1, the use process is finished after the installation, firstly, a valve seat of an oil return valve steel ball is closed, a pressing device 4 is operated to reciprocate up and down, when a pump core 3 displaces upwards, hydraulic oil is sucked into an oil cavity of a pump body 2 through a one-way valve steel ball valve seat, when the pump core 3 is pressed down, high-pressure oil in the oil cavity of the pump body 2 is pressed into a working oil cavity of the hydraulic cylinder 6 through an oil pressing way and the valve seat of the one-way valve steel ball, the reciprocating circulation is carried out, the piston rod 8 continuously lifts a heavy object outwards, after the use of the lifting automobile or the heavy object is required to be put down, the oil return valve, at this time, the high pressure oil in the working oil cavity of the hydraulic oil cylinder 6 firstly flows through the valve seat of the one-way valve steel ball through the oil path and the shaft hole matching clearance of the gradually-opened movable valve core and enters the oil return path and the oil storage cavity, the piston rod 8 drives the load on the top of the piston rod to slowly and stably recover and descend, when an operator confirms safety and needs to accelerate the descending speed, the oil return valve body 9 is slowly unscrewed, the one-way valve steel ball and the gradually-opened movable valve core gradually move towards the direction of the oil return valve body 9 under the pushing of the compression spring, the annular groove gradually displaces along the axial direction of the movable valve core in the process, the flow area between the oil path and the annular groove is gradually increased, the high pressure oil flows to the oil return path through the hole shaft clearance of the excircle of the valve core, the flow area of the annular groove flows to the oil return path through the oil path, if need slow down jack falling speed safely only need screw a little return valve body 9, make check valve steel ball push case inwards remove to stepless speed reduction reduces the through-flow area and realizes the falling speed of infinitely variable control jack, this stepless speed reduction device, structural design is compact, and convenient to use and speed can be controlled according to required requirement, and the practicality is stronger, and the security is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hydraulic component's stepless deceleration device, includes base assembly (1), the pump body (2), pump core (3), hand pressing ware (4), pneumatic cylinder casing (5), hydraulic cylinder (6), hood (7), piston rod (8) and return valve body (9), its characterized in that: the pump body (2) is arranged at the position, close to the top, of the outer side of the base assembly (1) and at the right side of the base assembly (1), the pump body (2) is arranged at the right side of the base assembly (1), the pump core (3) is arranged at the left side of the pump body (2) and at the right side of the central position of the base assembly (1), the top parts of the pump core (3) and the pump body (2) are provided with the press handle device (4), the hydraulic cylinder shell (5) is arranged at the central position of the top part of the base assembly (1), the inner cavity of the hydraulic cylinder shell (5) is provided with the hydraulic cylinder (6), the top cap (7) is sleeved at the outer side of the top part of the hydraulic cylinder (6) and at the top part of the hydraulic cylinder shell (5), the top part of the inner cavity of the hydraulic cylinder (6) is provided with the piston rod (8) and is arranged at the top part of the, the oil return valve body (9) is arranged on the outer side of the front surface of the base assembly (1) and is arranged in the inner cavity position of the front surface of the base assembly (1).
2. The stepless speed reduction device of the hydraulic component according to claim 1, is characterized in that: the base assembly (1) includes the base body (101) and supporting shoe (102), the main part of the base body (101) for base assembly (1) adopts detachable structure to set up and forms, and its inner chamber still is provided with oil absorption oil piping system, presses oil piping system, check valve steel ball, oil return system, oil piping system and high-pressure oil release return circuit system and constitutes, the setting of supporting shoe (102) equidistance is in the outside of the base body (101).
3. The stepless speed reduction device of the hydraulic component according to claim 2, characterized in that: high-pressure oil release return circuit system includes check valve steel ball, oil storage cavity, oil return oil circuit and oil return valve body (9), the outside of check valve steel ball is provided with the oil return oil circuit that leads to with the oil storage chamber, and forms vice oil return valve body (9) of screw thread with the base screw hole, the lower terminal surface of oil return valve body (9) is compressed tightly or is loosened the steel ball, controls opening and shutting of oil return disk seat, the below of check valve steel ball still is equipped with compression spring, be provided with hole axle clearance fit's gradual-open type removal case between compression spring and the check valve steel ball.
4. A hydraulic unit step-less reduction apparatus as set forth in claim 3, wherein: and the matching hole of the excircle of the involute type movable valve core is communicated with an oil way of a working oil cavity of the straight-through hydraulic oil cylinder (6).
5. A hydraulic unit step-less reduction apparatus as set forth in claim 3, wherein: the involute type movable valve core is axially provided with an oil way, and is also radially provided with an annular groove and a through hole oil way.
6. The stepless speed reduction device of the hydraulic component according to claim 1, is characterized in that: the hydraulic cylinder pressing device is characterized in that the pump body (2), the hydraulic oil cylinder (6) and the base assembly (1) are connected through threads and are arranged in a detachable structure, the piston rod (8) and the hydraulic cylinder shell (5) are fixedly connected onto the base assembly (1) through the top cap (7), the lower end of the pressing device (4) is further provided with a connecting pin shaft and is arranged in a detachable structure, the pressing device (4) and the pump core (3) are positioned in the base assembly (1) and the pump body (2) through the pin shaft, an oil storage cavity is formed in the hydraulic cylinder shell (5) and is filled with hydraulic oil, a basic oil suction oil way and a check valve steel ball are arranged in the base assembly (1), and an oil pressing oil way and a check valve steel ball are further arranged.
7. The stepless speed reduction device of the hydraulic component according to claim 2, characterized in that: the oil return system is also provided with an oil return way, an oil return valve body (9) and a one-way valve steel ball, an involute movable valve core is arranged in a closed area inside the one-way valve steel ball communicated with the oil return way, a gap between an excircle of the involute movable valve core and a matching hole is small, and an inner end face of the involute movable valve core is jointed with a compression spring.
8. A hydraulic unit step-less reduction apparatus as set forth in claim 3, wherein: the involute type movable valve element is characterized in that an annular groove, a through hole oil way and an oil way are further arranged on the involute type movable valve element, the oil return oil way is communicated with a working oil cavity of the hydraulic oil cylinder (6), an oil suction oil way communicated with the oil storage cavity is communicated with an oil cavity of the pump body (2) through a one-way valve steel ball, and an oil pressing oil way communicated with the oil cavity of the pump body is communicated with the working oil cavity of the hydraulic oil cylinder (6) through a one-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022548664.5U CN213416110U (en) | 2020-11-06 | 2020-11-06 | Stepless speed reduction device for hydraulic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022548664.5U CN213416110U (en) | 2020-11-06 | 2020-11-06 | Stepless speed reduction device for hydraulic component |
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| Publication Number | Publication Date |
|---|---|
| CN213416110U true CN213416110U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022548664.5U Expired - Fee Related CN213416110U (en) | 2020-11-06 | 2020-11-06 | Stepless speed reduction device for hydraulic component |
Country Status (1)
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| CN (1) | CN213416110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143015A (en) * | 2023-04-17 | 2023-05-23 | 四川航泰航空装备有限公司 | Ox head machine wheel jack and use method thereof |
-
2020
- 2020-11-06 CN CN202022548664.5U patent/CN213416110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116143015A (en) * | 2023-04-17 | 2023-05-23 | 四川航泰航空装备有限公司 | Ox head machine wheel jack and use method thereof |
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| 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: 20210611 Termination date: 20211106 |