CN215798164U - Hydraulic jack with replaceable inner cavity - Google Patents
Hydraulic jack with replaceable inner cavity Download PDFInfo
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- CN215798164U CN215798164U CN202122370218.4U CN202122370218U CN215798164U CN 215798164 U CN215798164 U CN 215798164U CN 202122370218 U CN202122370218 U CN 202122370218U CN 215798164 U CN215798164 U CN 215798164U
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Abstract
The utility model discloses a hydraulic jack with a replaceable inner cavity, which relates to the field of hydraulic jack equipment and comprises a jack shell, wherein a separation frame is arranged in the jack shell and fixedly connected with the inner wall of the jack shell, an electric hydraulic cylinder is arranged below the separation frame and fixedly connected with the inner wall of the bottom of the jack shell and the separation frame respectively, an inner cavity cylinder is movably connected with the upper surface of the separation frame, a piston is movably connected in the inner cavity cylinder and divides the inner cavity cylinder into a cavity at the upper part and a hydraulic cavity at the lower part, an oil cavity is formed between the inner wall of the jack shell and the outer wall of the inner cavity cylinder, oil is filled in the oil cavity, an oil hole is formed in the separation frame and communicated with the oil cavity, the oil hole is communicated with the electric hydraulic cylinder, an oil liquid groove B is formed in the center of the upper surface of the separation frame, and an oil liquid groove A is formed in the position of the inner cavity cylinder, which corresponds to the oil liquid groove B, the oil liquid tank B is communicated with the electric hydraulic cylinder, and the oil liquid tank A is communicated with the hydraulic cavity.
Description
Technical Field
The utility model relates to the field of hydraulic jack equipment, in particular to a hydraulic jack with a replaceable inner cavity.
Background
A hydraulic jack is a jack which adopts a plunger or a hydraulic cylinder as a rigid jacking piece and is widely applied to the field of engineering construction. According to the prior art, hydraulic jacks have the following problems:
the hydraulic jack can cause the foreign matter to enter the cavity in the assembling process and the foreign matter to enter the cavity carelessly in the cleaning process, so that the foreign matter can damage the inner wall of the cavity in the moving process of the piston and the cavity, hydraulic oil can permeate into the cavity, and oil leakage can occur. Because the inner wall of the jack body can not be detached, the jack body can not be repaired or replaced, so that the jack is scrapped, and great waste is caused.
The hydraulic jack can have the conditions of poor heat dissipation, poor action of a system unloading loop, impact during speed change and the like in the working process, the conditions can cause the jack equipment to generate heat, and further the normal operation of internal components of the jack is influenced.
The shell of the hydraulic jack is easy to be damaged by impact and the use of the hydraulic jack is influenced, and the existing hydraulic jack is seriously insufficient in durability.
When the hydraulic jack is used, the stability is poor, the hydraulic jack is easy to overturn to cause safety accidents, and the life and property safety of people is seriously damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to facilitate the replacement of an inner cavity cylinder and a piston which are damaged by foreign matters on the inner wall of a cavity in the movement process of the piston and the cavity.
In order to achieve the purpose, the utility model provides the following technical scheme:
a hydraulic jack with a replaceable inner cavity comprises a jack shell, wherein a separation frame is arranged inside the jack shell and fixedly connected with the inner wall of the jack shell, an electric hydraulic cylinder is arranged below the separation frame and fixedly connected with the inner wall of the bottom of the jack shell and the separation frame respectively, an inner cavity cylinder is movably connected with the upper surface of the separation frame, a piston is movably connected inside the inner cavity cylinder and divides the inner cavity cylinder into an upper cavity and a lower hydraulic cavity, an oil cavity is formed between the inner wall of the jack shell and the outer wall of the inner cavity cylinder and filled with oil, an oil hole is formed in the separation frame and communicated with the oil cavity, the oil hole is communicated with the electric hydraulic cylinder, an oil liquid groove B is formed in the center of the upper surface of the separation frame, an oil liquid groove A is formed in the position, corresponding to the oil liquid groove B, of the oil groove B is communicated with the electric hydraulic cylinder, the oil liquid tank A is communicated with the hydraulic cavity, a jack cover is arranged above the jack shell, the lower surface of the jack cover is respectively provided with a connecting ring A and a connecting ring B, the inner side surface of the upper end of the jack shell is fixedly connected with a connecting piece, the connecting ring AB is movably clamped with the connecting piece, the connecting ring A is movably clamped with the upper end of the inner cavity barrel, and four groups of telescopic support frames are uniformly arranged at the bottom of the outer wall of the jack shell.
Preferably: the connecting ring A and the connecting ring B are integrally formed with the jack cover.
Preferably: the telescopic support frame comprises a supporting block and a telescopic rod, the output end of the telescopic rod is fixedly connected with the telescopic support frame, and the telescopic rod is fixedly connected with the bottom of the outer wall of the jack shell.
Preferably: the lateral surface fixedly connected with guard plate of jack shell, the guard plate is inside to be the wave type structure.
Preferably: the center of the upper surface of the jack top cover is provided with a connecting groove, and the upper end of the piston penetrates through the connecting groove to be connected with the jack top cover in a sliding mode.
Due to the adoption of the technical scheme, the utility model has the following advantages: the damaged inner cavity cylinder and the piston are convenient to replace by arranging the movably clamped jack cover.
Through setting up telescopic support frame, can promote the stability that hydraulic jack used, the poor stability caused the incident when reducing because of the jack uses, reduces the threat to people's life and property safety.
Constitute the fluid cavity through the inner wall at the jack shell and the outer wall of an inner chamber section of thick bamboo, the fluid intracavity is filled has fluid and comes the cooling for the jack, increase of service life, increase the stability of performance.
Come to cushion protection to jack shell through setting up the guard plate, reduce and lead to the fact the damage because of receiving the collision, promote hydraulic jack's durable type.
Drawings
Fig. 1 is a schematic structural diagram of a main body of a hydraulic jack with a replaceable inner cavity.
Fig. 2 is a schematic structural view of a telescopic support frame in a hydraulic jack with a replaceable inner cavity.
Fig. 3 is a schematic structural diagram of a jack cover in a hydraulic jack with a replaceable inner cavity.
In the figure: the hydraulic jack comprises a jack shell 1, an oil hole 2, a protective plate 3, oil 4, a connecting piece 5, a jack cover 6, an inner cavity cylinder 7, a piston 8, a connecting ring A9, a connecting ring B10, a supporting block 11, an oil groove A12, an oil groove B13, an electric hydraulic cylinder 14, an expansion rod 15, a separation frame 16 and a connecting groove 17.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, an inner cavity replaceable hydraulic jack includes a jack housing 1, a partition frame 16 is disposed inside the jack housing 1, the partition frame 16 is fixedly connected to an inner wall of the jack housing 1, an electric hydraulic cylinder 14 is disposed below the partition frame 16, the electric hydraulic cylinder 14 is respectively fixedly connected to an inner wall of a bottom of the jack housing 1 and the partition frame 16, an inner cavity cylinder 7 is movably connected to an upper surface of the partition frame 16, a piston 8 is movably connected to an inside of the inner cavity cylinder 7, the piston 8 divides the inner cavity cylinder 7 into an upper cavity and a lower hydraulic cavity, an oil cavity is formed between the inner wall of the jack housing 1 and an outer wall of the inner cavity cylinder 7, an oil liquid 4 is filled in the oil cavity, an oil hole 2 is opened on the partition frame 16, the oil hole 2 is communicated with the oil cavity, the oil hole 2 is communicated with the electric hydraulic cylinder 14, an oil liquid groove B13 is opened in a center of the upper surface of the partition frame 16, the position of the inner cavity cylinder 7 corresponding to the oil liquid groove B13 is provided with an oil liquid groove A12, an oil liquid groove B13 is communicated with the electric hydraulic cylinder 14, the oil liquid groove A12 is communicated with the hydraulic cavity, the jack top cover 6 is arranged above the jack shell 1, the lower surface of the jack top cover 6 is respectively provided with a connecting ring A9 and a connecting ring B10, the connecting ring A9 and the connecting ring B10 are integrally formed with the jack top cover 6, the inner side surface of the upper end of the jack shell 1 is fixedly connected with a connecting piece 6, the connecting ring AB10 is movably clamped with the connecting piece 6, the connecting ring A9 is movably clamped with the upper end of the inner cavity cylinder 7, and the bottom of the outer wall of the jack shell 1 is uniformly provided with four groups of telescopic supporting frames.
The telescopic support frame comprises a supporting block 11 and a telescopic rod 15, the output end of the telescopic rod 15 is fixedly connected with the telescopic support frame through the supporting block 11, and the telescopic rod 15 is fixedly connected with the bottom of the outer wall of the jack shell 1.
The lateral surface fixedly connected with guard plate 3 of jack shell 1, the inside wave type structure that is of guard plate 3 has the cushioning effect.
The center of the upper surface of the jack top cover 6 is provided with a connecting groove 17, and the upper end of the piston 8 penetrates through the connecting groove 17 to be connected with the jack top cover 6 in a sliding manner.
The working principle of the utility model is as follows: during the use, telescopic link 15 stretches out, can increase the stability of jack, and through the jack top lid 6 that sets up the activity joint, can take out the change with inner chamber section of thick bamboo 7 and take out piston 8, electric hydraulic cylinder 14 draws fluid 4 input hydraulic pressure chamber from the fluid chamber and jack-up piston 8, and guard plate 3 receives the collision to jack shell 1 and cushions the protection.
Claims (5)
1. A hydraulic jack with a replaceable inner cavity comprises a jack shell (1) and is characterized in that a separation frame (16) is arranged inside the jack shell (1), the separation frame (16) is fixedly connected with the inner wall of the jack shell (1), an electric hydraulic cylinder (14) is arranged below the separation frame (16), the electric hydraulic cylinder (14) is fixedly connected with the inner wall of the bottom of the jack shell (1) and the separation frame (16) respectively, an inner cavity cylinder (7) is movably connected to the upper surface of the separation frame (16), a piston (8) is movably connected inside the inner cavity cylinder (7), the piston (8) divides the inner cavity cylinder (7) into an upper cavity and a lower hydraulic cavity, an oil liquid cavity is formed between the inner wall of the jack shell (1) and the outer wall of the inner cavity cylinder (7), oil liquid (4) is filled in the oil liquid cavity, an oil liquid hole (2) is formed in the separation frame (16), the oil liquid hole (2) is communicated with an oil liquid cavity, the oil liquid hole (2) is communicated with an electric hydraulic cylinder (14), an oil liquid groove B (13) is formed in the center of the upper surface of a separation frame (16), an oil liquid groove A (12) is formed in the position, corresponding to the oil liquid groove B (13), of an inner cavity cylinder (7), the oil liquid groove B (13) is communicated with the electric hydraulic cylinder (14), the oil liquid groove A (12) is communicated with a hydraulic cavity, a jack top cover (6) is arranged above a jack shell (1), a connecting ring A (9) and a connecting ring B (10) are respectively arranged on the lower surface of the jack top cover (6), a connecting piece (5) is fixedly connected to the inner side surface of the upper end of the jack shell (1), the connecting ring B (10) is movably clamped with the connecting piece (5), the connecting ring A (9) is movably clamped with the upper end of the inner cavity cylinder (7), and four groups of telescopic support frames are uniformly arranged at the bottom of the outer wall of the jack shell (1).
2. A hydraulic jack with replaceable internal cavity, as claimed in claim 1, characterised in that said connection rings a (9) and B (10) are integral with the jack head (6).
3. The hydraulic jack with the replaceable inner cavity as claimed in claim 1, wherein the telescopic support frame comprises a support block (11) and a telescopic rod (15), the output end of the telescopic rod (15) is fixedly connected with the support block (11), and the telescopic rod (15) is fixedly connected with the bottom of the outer wall of the jack housing (1).
4. The hydraulic jack with the replaceable inner cavity as claimed in claim 1, wherein a protection plate (3) is fixedly connected to the outer side face of the jack housing (1), and the interior of the protection plate (3) is of a wave-shaped structure.
5. A hydraulic jack with replaceable inner cavity as claimed in claim 1, wherein the center of the upper surface of the jack top cover (6) is provided with a connecting groove (17), and the upper end of the piston (8) passes through the connecting groove (17) to be slidably connected with the jack top cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122370218.4U CN215798164U (en) | 2021-09-29 | 2021-09-29 | Hydraulic jack with replaceable inner cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122370218.4U CN215798164U (en) | 2021-09-29 | 2021-09-29 | Hydraulic jack with replaceable inner cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215798164U true CN215798164U (en) | 2022-02-11 |
Family
ID=80167637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122370218.4U Active CN215798164U (en) | 2021-09-29 | 2021-09-29 | Hydraulic jack with replaceable inner cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215798164U (en) |
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2021
- 2021-09-29 CN CN202122370218.4U patent/CN215798164U/en active Active
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