Hydraulic pump station with sealing connection structure
By designing a sealing connection structure between the oil tank and the top cover of the hydraulic pump station, the cooperation of rubber seals and sealing rings is used to solve the problem of oil overflow in the oil tank of the hydraulic pump station, and better sealing performance is achieved.
Patent Information
- Application Number
- CN202421823833.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing hydraulic pump station lacks a sealing structure, which leads to oil spills in the oil tank.
A hydraulic pump station with a sealed connection structure is designed. By setting an extension at the bottom of the top cover and fixing the sealing ring on the outside of the extension, combining with the rubber seal at the open end of the oil tank, the rubber seal and the sealing ring are used to cooperate with the rubber seal when splicing the oil tank and the top cover to increase the sealing performance.
The sealing splicing of the fuel tank and the top cover is achieved, avoiding oil spills in the fuel tank and improving sealing performance.
Smart Images

Figure CN222963094U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hydraulic pump stations, and particularly relates to a hydraulic pump station with a sealed connection structure. Background Art
[0002] A hydraulic pump station is a device that converts mechanical energy into pressure energy and supplies power to the entire hydraulic system; a hydraulic pump station usually includes key components such as a hydraulic pump, an electric motor, a centralized valve group, and an oil tank.
[0003] A hydraulic pump station with a publication number of CN217976786U, which discloses an oil tank assembly including an oil tank and a mounting frame arranged at the top of the inner cavity side wall of the oil tank; a filtering mechanism, which includes a filtering frame installed inside the mounting frame and arranged in the inner cavity of the oil tank, a first filter screen installed at the top of the inner cavity of the filtering frame, a second upper filter screen installed in the inner cavity of the filtering frame and arranged below the first filter screen, and a third filter screen installed in the inner cavity of the filtering frame and arranged below the second filter screen.
[0004] Existing hydraulic pump stations usually lack a sealing structure, which is not conducive to increasing the sealing performance of the top cover covering the oil tank, and there is a problem of oil overflow in the oil tank. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a hydraulic pump station with a sealed connection structure, which has a sealing performance and avoids oil overflow.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A hydraulic pump station with a sealed connection structure includes
[0007] An oil tank, which is a box structure with one end open and the other end closed;
[0008] A top cover, which is detachably installed on the oil tank;
[0009] A sealed connection structure, which includes an extension part arranged at the bottom of the top cover, a sealing ring fixed on the outside of the extension part, and a rubber sealing part installed at the open end of the oil tank. When the oil tank and the top cover are spliced, the rubber sealing part is closely attached to the sealing ring.
[0010] Preferably, it further includes a positioning block arranged at the bottom of the top cover, a positioning groove opened at the top of the oil tank for the positioning block to insert, and a retaining piece arranged on the inner side surface of the positioning groove that can abut against the positioning block.
[0011] Preferably, it further includes horizontal blocks symmetrically installed on the side surface of the oil tank, vertical blocks arranged at the top of the horizontal blocks, and a stabilizing component is arranged on the vertical blocks and the top cover.
[0012] Preferably, the stabilizing member includes a threaded column rotatably disposed on the vertical block and a threaded groove formed on the side surface of the top cover for screwing one end of the vertical block into.
[0013] Preferably, it further includes a threaded hole formed inside the vertical block, and one end of the threaded column penetrates through the threaded hole.
[0014] Preferably, it further includes an oil inlet formed on the top cover, and the oil inlet penetrates through the top cover and the extension part, and a plurality of lifting lugs are installed on the top of the top cover.
[0015] Preferably, it further includes a moving box for supporting the fuel tank, symmetrically distributed support plates are arranged on the inner side surface of the fuel tank, and a filter screen is detachably arranged on the two support plates.
[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0017] Through the designed sealing connection structure, the splicing of the fuel tank and the top cover can be realized. When the fuel tank and the top cover are spliced, the cooperation of the rubber seal and the sealing ring is utilized to increase the sealing performance and prevent the oil in the fuel tank from overflowing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic structural diagram of the present utility model;
[0019] Figure 2 is a partial cross-sectional structural diagram of the present utility model;
[0020] Figure 3 is of the present utility model Figure 2 enlarged structural diagram of area F in;
[0021] In the figure: 1, moving box; 2, fuel tank; 21, support plate; 22, positioning groove; 220, retaining piece; 3, top cover; 31, oil inlet; 32, lifting lug; 33, threaded groove; 34, positioning block; 41, horizontal block; 42, vertical block; 5, threaded column; 6, filter screen; 7, extension part; 8, sealing ring; 9, rubber seal. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0023] Embodiment 1
[0024] Please refer to Figures 1 - 3, which is the first embodiment of the present utility model. This embodiment provides a hydraulic pump station with a sealed connection structure, including
[0025] A fuel tank 2, which is a box structure with one end open and the other end closed, realizing the addition of the fuel tank 2;
[0026] A top cover 3, which is detachably installed on the fuel tank 2. When the top cover 3 and the fuel tank 2 are spliced, it enhances the performance of protecting the open end of the fuel tank 2;
[0027] A sealed connection structure, which includes an extension part 7 arranged at the bottom of the top cover 3, realizing the addition of the extension part 7, a sealing ring 8 fixed on the outside of the extension part 7, realizing the addition of the sealing ring 8. The sealing ring 8 is made of rubber, and a rubber seal 9 installed at the open end of the fuel tank 2, realizing the addition of the rubber seal 9. When the fuel tank 2 and the top cover 3 are spliced, the rubber seal 9 closely fits with the sealing ring 8. When the fuel tank 2 and the top cover 3 are spliced, the cooperation of the rubber seal 9 and the sealing ring 8 is used to enhance the sealing performance and prevent the oil in the fuel tank 2 from overflowing.
[0028] In this embodiment, preferably, it further includes a positioning block 34 arranged at the bottom of the top cover 3, realizing the addition of the positioning block 34, a positioning groove 22 opened at the top of the fuel tank 2 for the positioning block 34 to insert, realizing the opening of the positioning groove 22, and a stop piece 220 that can abut against the positioning block 34 is arranged on the inner side of the positioning groove 22. When the top cover 3 and the fuel tank 2 are spliced, the positioning block 34 is inserted into the inside of the positioning groove 22 along the stop piece 220, enhancing the positioning when the top cover 3 and the fuel tank 2 are spliced.
[0029] In this embodiment, preferably, it further includes an oil inlet 31 arranged on the top cover 3, and the oil inlet 31 penetrates through the top cover 3 and the extension part 7, increasing the oil inlet efficiency through the oil inlet 31. A plurality of lifting lugs 32 are installed on the top of the top cover 3, increasing the convenience of lifting the top cover 3 through the lifting lugs 32.
[0030] In this embodiment, preferably, it further includes a moving box 1 that supports the fuel tank 2. While increasing the support for the fuel tank 2 through the moving box 1, the universal wheels at the bottom of the moving box 1 are used to increase the convenience of moving the hydraulic pump station. Symmetrically distributed support plates 21 are arranged on the inner side of the fuel tank 2, realizing the addition of the support plates 21. A filter screen 6 is detachably installed on the two support plates 21, increasing the filtering performance when the oil enters through the installed filter screen 6.
[0031] Embodiment 2
[0032] Please refer to Figures 1 - 3 , which is the second embodiment of the present utility model. This embodiment is based on the previous embodiment, and the difference is:
[0033] It also includes horizontal blocks 41 symmetrically installed on both side surfaces of the fuel tank 2, achieving the addition of the horizontal blocks 41, vertical blocks 42 provided at the tops of the horizontal blocks 41, achieving the addition of the vertical blocks 42. There are stabilizing components provided on the vertical blocks 42 and the top cover 3. The stabilizing components include threaded posts 5 rotatably provided on the vertical blocks 42, and also include threaded holes opened inside the vertical blocks 42. One end of the threaded post 5 penetrates through the threaded hole, achieving the addition of the threaded post 5, and threaded grooves 33 opened on the side surface of the top cover 3 for the insertion of one end of the vertical block 42. When the positioning block 34 is inserted into the positioning groove 22 along the retaining piece 220, rotate the threaded post 5 to quickly screw the threaded post 5 into the threaded groove 33, improving the splicing efficiency of the top cover 3 and the fuel tank 2.
[0034] The working principle and usage process of the present utility model: During use, the hydraulic pump station is moved to the working position by using the universal wheels at the bottom of the moving box 1. When the top cover 3 and the fuel tank 2 are spliced, the positioning block 34 is inserted into the positioning groove 22 along the retaining piece 220 to increase the positioning when the top cover 3 and the fuel tank 2 are spliced. Rotate the threaded post 5 to quickly screw the threaded post 5 into the threaded groove 33, improving the splicing performance of the top cover 3 and the fuel tank 2. When the fuel tank 2 and the top cover 3 are spliced, the cooperation of the rubber seal 9 and the sealing ring 8 is used to increase the sealing performance and prevent the oil in the fuel tank 2 from overflowing.
[0035] Although the embodiments of the present utility model have been shown and described, see the above detailed description. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A hydraulic pump station with a sealed connection structure, characterized in that: include An oil tank (2), wherein the oil tank (2) is a box structure with one end open and the other end closed; A top cover (3), wherein the top cover (3) is detachably mounted on the oil tank (2); A sealing connection structure, the sealing connection structure comprising an extension portion (7) arranged at the bottom of a top cover (3), a sealing ring (8) fixed to the outside of the extension portion (7), and a rubber sealing member (9) installed at the open end of an oil tank (2); when the oil tank (2) and the top cover (3) are spliced, the rubber sealing member (9) and the sealing ring (8) are tightly fitted.
2. A hydraulic pump station with a sealed connection structure according to claim 1, characterized in that: It also includes a positioning block (34) arranged at the bottom of the top cover (3), a positioning groove (22) provided at the top of the oil tank (2) for the positioning block (34) to be inserted, and a blocking piece (220) capable of abutting against the positioning block (34) is provided on the inner side surface of the positioning groove (22).
3. The hydraulic pump station with a sealed connection structure according to claim 1, characterized in that: It also comprises a horizontal block (41) symmetrically mounted on the side surface of the oil tank (2), a vertical block (42) arranged on the top of the horizontal block (41), and a stabilizing component is arranged on the vertical block (42) and the top cover (3).
4. A hydraulic pump station with a sealed connection structure according to claim 3, characterized in that: The stabilizing component comprises a threaded column (5) rotatably arranged on the vertical block (42), and a threaded groove (33) provided on the side surface of the top cover (3) for one end of the vertical block (42) to be screwed into.
5. A hydraulic pump station with a sealed connection structure according to claim 4, characterized in that: It also includes a threaded hole opened inside the vertical block (42), and one end of the threaded column (5) passes through the threaded hole.
6. The hydraulic pump station with a sealed connection structure according to claim 1, characterized in that: It also includes an oil inlet (31) arranged on the top cover (3), and the oil inlet (31) passes through the top cover (3) and the extension part (7), and a plurality of lifting ears (32) are installed on the top of the top cover (3).
7. The hydraulic pump station with a sealed connection structure according to claim 1, characterized in that: It also comprises a mobile box (1) supporting an oil tank (2), wherein the inner side surface of the oil tank (2) is provided with symmetrically distributed support plates (21), and filter screens (6) are detachably provided on two of the support plates (21).
Citation Information
Patent Citations
Hydraulic pump station
CN217976786U