CN214989948U

CN214989948U - Hydraulic jack with speed-regulating descending control oil way

Info

Publication number: CN214989948U
Application number: CN202120313070.8U
Authority: CN
Inventors: 陈砚银
Original assignee: Anhui Guangde Zhongding Automotive Tools Co ltd
Current assignee: Anhui Guangde Zhongding Automotive Tools Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-03
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a hydraulic jack with speed governing decline control oil circuit, including the jack main part, the hydraulic pressure seat has been seted up to the inside of jack main part, the location mouth has been seted up to the lower extreme of jack main part, the hydraulic pressure mouth has been seted up in the outside of jack main part, the lower extreme fixedly connected with hydraulic tank of hydraulic pressure seat, the lower extreme of hydraulic tank is provided with the passageway pipe, the outside of passageway pipe is provided with the connecting seat, the one end fixedly connected with return valve of connecting seat, the outside of connecting seat is provided with the position fixing cover. Hydraulic jack with speed governing decline control oil circuit, no-load or low pressure get into the quick oil return oil piping system of low pressure, high pressure gets into high pressure slow speed oil return system, speed governing release constitutional unit has just increased the velocity of flow that screw thread speed governing choke valve controlled hydraulic oil after the check valve between high pressure working oil pocket and low pressure oil storage chamber, brings better use prospect.

Description

Hydraulic jack with speed-regulating descending control oil way

Technical Field

The utility model relates to a jack field, in particular to hydraulic jack with speed governing decline control oil circuit.

Background

The hydraulic jack is a supporting device for hydraulic lifting, is generally used in the workplaces of large-scale machinery manufacturing, maintenance industry and the like such as automobiles, ships and the like, is suitable for jacking and carrying the equipment, and has higher and higher requirements on the manufacturing process of the hydraulic jack along with the continuous development of science and technology.

The existing hydraulic jack has certain defects when in use, the descending speed is too slow when no load or load is not large after unloading, only one unloading speed is available in the prior art, the customer experience feeling is poor, the use of people is not facilitated, and certain adverse effects are brought to the use process of people.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a hydraulic jack with speed governing decline control oil circuit, utilize the hydraulic control to adjust draining speed, the throttle valve body of independent design is convenient for install and is maintained, uninstallation descends fast when this hoisting equipment has empty load and low load, uninstallation descends slowly under the load situation, empty load or low pressure get into the quick oil return oil piping system of low pressure, the high pressure gets into high pressure and returns oil piping system slowly, speed governing release constitutional unit has just increased the velocity of flow that screw thread speed governing choke valve controlled hydraulic oil after the check valve between high pressure working oil pocket and low pressure oil storage chamber, can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: hydraulic jack with speed governing decline control oil circuit, including the jack main part, the hydraulic pressure seat has been seted up to the inside of jack main part, the location mouth has been seted up to the lower extreme of jack main part, the hydraulic pressure mouth has been seted up in the outside of jack main part, the lower extreme fixedly connected with hydraulic tank of hydraulic pressure seat, the lower extreme of hydraulic tank is provided with the passageway pipe, the outside of passageway pipe is provided with the connecting seat, the one end fixedly connected with oil return valve of connecting seat, the outside of connecting seat is provided with the location cover, the inboard of location cover is provided with the oil return steel ball, the inside of hydraulic tank is provided with slow passageway screw thread bulkhead, slow passageway steel ball, slow passageway spring holder, slow passageway spring, fast passageway steel ball, fast passageway spring.

Preferably, a thread is arranged between the slow passage thread choke plug and the hydraulic tank, the interior of the hydraulic tank is detachably connected with the lower end of the slow passage thread choke plug through the bottom through the thread, a fixed block is arranged between the slow passage spring seat and the slow passage spring, and the lower end of the slow passage spring seat is fixedly connected with the upper end of the slow passage spring through the fixed block.

Preferably, a clamping block is arranged between the quick channel steel ball and the quick channel spring, and the lower end of the quick channel steel ball is detachably connected with the upper end of the quick channel spring through the clamping block.

Preferably, a connecting block is arranged between the hydraulic tank and the channel pipe, the lower end of the hydraulic tank is fixedly connected with the upper end of the channel pipe through the connecting block, a connecting channel is arranged between the connecting seat and the channel pipe, and one end of the connecting seat is detachably connected with one end of the channel pipe through the connecting channel.

Preferably, a welding seat is arranged between the oil return valve and the connecting seat, one end of the oil return valve is fixedly connected with one end of the connecting seat through the welding seat, a clamping piece is arranged between the connecting seat and the positioning cover, and one end of the connecting seat is detachably connected with the inner wall of the positioning cover through the clamping piece.

Preferably, a clamping seat is arranged between the oil return steel ball and the positioning cover, and the inner side of the positioning cover is detachably connected with the outer side of the oil return steel ball through the clamping seat.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydraulic jack with speed governing decline control oil circuit possesses following beneficial effect: the hydraulic jack with the speed-regulating descending control oil path is provided with an oil return valve and a channel steel ball, no-load or low-pressure enters a low-pressure quick oil return oil path system, high pressure enters a high-pressure slow oil return system, a speed-regulating release structural unit is that a thread speed-regulating throttle valve is added behind a one-way valve between a high-pressure working oil chamber and a low-pressure oil storage chamber to control the flow rate of hydraulic oil, structural improvement is carried out on the basis of the original structure, unloading pressure is quickly unloaded from a steel ball valve of a quick channel steel ball in no-load and low-load conditions so that the unloading is quickly descended in no-load and low-load conditions, the steel ball valve of the quick channel steel ball closes the oil path after a certain load is reached, the steel ball valve of a slow channel steel ball opens the oil path, the unloading is slowly descended through the thread choke plug thread oil path, the hydraulic control lifting equipment for unloading descending speed and hydraulic control is provided, and the efficacy of the product is improved, The safety and reliability of the product are improved, the independently designed throttle valve body is convenient to install and maintain, the hoisting equipment has the characteristics of rapid unloading descending in no-load and low-load conditions, slow unloading descending in load conditions and the like, the whole hydraulic jack is simple in structure and convenient to operate, and the using effect is better than that of a traditional mode.

Drawings

Fig. 1 is the overall structure diagram of the hydraulic jack with the speed-regulating descending control oil way.

Fig. 2 is a schematic structural diagram of a middle section view of the hydraulic jack with a speed-regulating descending control oil way according to the present invention.

Fig. 3 is a schematic structural view of the oil return valve in the hydraulic jack with the speed-adjusting descending control oil path according to the present invention.

Fig. 4 is a schematic structural diagram of an old structure in the hydraulic jack with the speed-adjusting descending control oil way of the present invention.

In the figure: 1. a jack main body; 2. a hydraulic seat; 3. positioning the opening; 4. a hydraulic port; 5. an oil return steel ball; 6. a passage tube; 7. an oil return valve; 8. a positioning cover; 9. a hydraulic tank; 10. a slow passage threaded bulkhead; 11. a slow passage steel ball; 12. a quick passage spring; 13. a slow passage spring seat; 14. a slow passage spring; 15. a fast channel steel ball; 16. a connecting seat.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, the hydraulic jack with a speed-regulating descending control oil path comprises a jack main body 1, a hydraulic seat 2 is arranged inside the jack main body 1, a positioning port 3 is arranged at the lower end of the jack main body 1, a hydraulic port 4 is arranged outside the jack main body 1, a hydraulic tank 9 is fixedly connected to the lower end of the hydraulic seat 2, a channel pipe 6 is arranged at the lower end of the hydraulic tank 9, a connecting seat 16 is arranged outside the channel pipe 6, an oil return valve 7 is fixedly connected to one end of the connecting seat 16, a positioning cover 8 is arranged outside the connecting seat 16, an oil return steel ball 5 is arranged inside the positioning cover 8, a slow-speed channel threaded bulkhead 10, a slow-speed channel steel ball 11, a slow-speed channel spring seat 13, a slow-speed channel spring 14, a fast-speed channel steel ball 15 and a fast-speed channel spring 12 are arranged inside the hydraulic tank 9.

Further, be provided with the screw thread between slow passageway screw thread bulkhead 10 and the hydraulic tank 9, the inside of hydraulic tank 9 is through the bottom through the screw thread with the lower extreme of slow passageway screw thread bulkhead 10 for can dismantle the connection, be provided with the fixed block between slow passageway spring holder 13 and the slow passageway spring 14, the lower extreme of slow passageway spring holder 13 passes through the fixed block and the upper end fixed connection of slow passageway spring 14, is convenient for install.

Furthermore, a clamping block is arranged between the quick channel steel ball 15 and the quick channel spring 12, the lower end of the quick channel steel ball 15 is detachably connected with the upper end of the quick channel spring 12 through the clamping block, and unloading is rapidly reduced in no-load and low-load conditions.

Furthermore, be provided with the connecting block between hydraulic pressure case 9 and the passageway pipe 6, the upper end fixed connection of connecting block and passageway pipe 6 is passed through to the lower extreme of hydraulic pressure case 9, is provided with interface channel between connecting seat 16 and the passageway pipe 6, and the one end of connecting seat 16 is passed through interface channel and is connected for dismantling with the one end of passageway pipe 6, is convenient for connect, and is more convenient.

Furthermore, a welding seat is arranged between the oil return valve 7 and the connecting seat 16, one end of the oil return valve 7 is fixedly connected with one end of the connecting seat 16 through the welding seat, a clamping piece is arranged between the connecting seat 16 and the positioning cover 8, one end of the connecting seat 16 is detachably connected with the inner wall of the positioning cover 8 through the clamping piece, and the speed regulation release structure unit is that a thread speed regulation throttle valve is additionally arranged behind a one-way valve between the high-pressure working oil cavity and the low-pressure oil storage cavity to control the flow rate of hydraulic oil.

Furthermore, a clamping seat is arranged between the oil return steel ball 5 and the positioning cover 8, and the inner side of the positioning cover 8 is detachably connected with the outer side of the oil return steel ball 5 through the clamping seat. The protection is convenient.

The working principle is as follows: the utility model comprises a jack main body 1, a hydraulic seat 2, a positioning port 3, a hydraulic port 4, an oil return steel ball 5, a channel pipe 6, an oil return valve 7, a positioning cover 8, a hydraulic box 9, a slow channel screw thread choke plug 10, a slow channel steel ball 11, a fast channel spring 12, a slow channel spring seat 13, a slow channel spring 14, a fast channel steel ball 15 and a connecting seat 16, the structure is improved on the basis of the original structure, the unloading pressure is unloaded from the steel ball valve of the fast channel steel ball 15 in idle load and low load, the unloading is fast dropped in idle load and low load, the steel ball valve of the fast channel steel ball 15 closes the oil channel after reaching a certain load, the steel ball valve of the slow channel steel ball 11 opens the oil channel, the oil channel is downloaded through the slow channel screw thread oil channel 10, the function of unloading slow drop is reached, the idle load or low pressure enters a low-pressure fast oil return oil channel system, the high pressure enters the high-pressure slow-speed oil return system, the speed regulation release structural unit is that a thread speed regulation throttle valve is added behind a one-way valve between a high-pressure working oil cavity and a low-pressure oil storage cavity to control the flow speed of hydraulic oil, the hoisting equipment for unloading descending speed hydraulic control speed regulation is provided, the efficacy of a product is improved, the safety and reliability of the product are improved, a throttle valve body designed independently is convenient to install and maintain, and the hoisting equipment has the characteristics of unloading fast descending in no-load and low-load conditions, unloading slow descending in load conditions and the like.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Hydraulic jack with speed governing decline control oil circuit, including jack main part (1), its characterized in that: the hydraulic jack is characterized in that a hydraulic seat (2) is arranged inside a jack main body (1), a positioning port (3) is arranged at the lower end of the jack main body (1), a hydraulic port (4) is arranged outside the jack main body (1), a hydraulic tank (9) is fixedly connected to the lower end of the hydraulic seat (2), a channel pipe (6) is arranged at the lower end of the hydraulic tank (9), a connecting seat (16) is arranged outside the channel pipe (6), an oil return valve (7) is fixedly connected to one end of the connecting seat (16), a positioning cover (8) is arranged outside the connecting seat (16), an oil return steel ball (5) is arranged inside the positioning cover (8), a slow passage thread bulkhead (10), a slow passage steel ball (11), a slow passage spring seat (13), a slow passage spring (14) and a slow passage spring seat (13) are arranged inside the hydraulic tank (9), A quick channel steel ball (15) and a quick channel spring (12).

2. The hydraulic jack with an adjustable speed descent control oil circuit as claimed in claim 1, wherein: the hydraulic pump is characterized in that threads are arranged between the slow-speed channel thread choke plug (10) and the hydraulic tank (9), the inside of the hydraulic tank (9) is detachably connected with the lower end of the slow-speed channel thread choke plug (10) through threads at the bottom, a fixed block is arranged between the slow-speed channel spring seat (13) and the slow-speed channel spring (14), and the lower end of the slow-speed channel spring seat (13) is fixedly connected with the upper end of the slow-speed channel spring (14) through the fixed block.

3. The hydraulic jack with an adjustable speed descent control oil circuit as claimed in claim 1, wherein: a clamping block is arranged between the rapid channel steel ball (15) and the rapid channel spring (12), and the lower end of the rapid channel steel ball (15) is detachably connected with the upper end of the rapid channel spring (12) through the clamping block.

4. The hydraulic jack with an adjustable speed descent control oil circuit as claimed in claim 1, wherein: be provided with the connecting block between hydraulic pressure case (9) and passageway pipe (6), the lower extreme of hydraulic pressure case (9) passes through the upper end fixed connection of connecting block and passageway pipe (6), be provided with interface channel between connecting seat (16) and passageway pipe (6), the one end of connecting seat (16) is passed through interface channel and is connected for dismantling with the one end of passageway pipe (6).

5. The hydraulic jack with an adjustable speed descent control oil circuit as claimed in claim 1, wherein: the oil return valve is characterized in that a welding seat is arranged between the oil return valve (7) and the connecting seat (16), one end of the oil return valve (7) is fixedly connected with one end of the connecting seat (16) through the welding seat, a clamping piece is arranged between the connecting seat (16) and the positioning cover (8), and one end of the connecting seat (16) is detachably connected with the inner wall of the positioning cover (8) through the clamping piece.

6. The hydraulic jack with an adjustable speed descent control oil circuit as claimed in claim 1, wherein: a clamping seat is arranged between the oil return steel ball (5) and the positioning cover (8), and the inner side of the positioning cover (8) is detachably connected with the outer side of the oil return steel ball (5) through the clamping seat.