Hydraulic end valve box stable in connection
By installing a compensator including flange plates, corrugated telescopic sleeves and other components on the liquid end valve box, the leakage problem caused by the lack of buffer compensation design at the connection and fixation of the liquid end valve box is solved, and a more stable connection is achieved.
Patent Information
- Application Number
- CN202420324134.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-21
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-02-21
AI Technical Summary
The lack of buffer compensation design at the fixed connection of the hydraulic end valve box, resulting in thermal expansion, cold contraction and impact force may cause leakage problems.
Install a compensator on the valve box. The compensator includes a flange plate, a corrugated telescopic sleeve, a docking plate, a guide tube, a limit ring and a perforation. The threaded holes are set corresponding to the flange plate to achieve automatic expansion and contraction adjustment to ensure flow diversion. The tube is always in contact with the flow channel opening.
Through the design of the compensator, the problem of connection leakage caused by thermal expansion, contraction and impact force at the interface position is solved, making the connection more stable and avoiding leakage.
Smart Images
Figure CN222377496U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a hydraulic end valve box, in particular to a hydraulic end valve box with stable connection. Background Art
[0002] The valve box is an important mechanical part of the hydraulic end. The main method for connecting the external device to the hydraulic end valve box is to open a mounting hole on the outside of the channel opening, and then directly connect the flange to the mounting hole to achieve the connection and fixation of the external device. There is no buffer compensation design at the connection and fixation point, and leakage problems may occur at the connection point due to thermal expansion and contraction and impact force. Utility Model Content
[0003] The utility model aims to provide a hydraulic end valve box with stable connection, so as to solve the problem in the above-mentioned background technology that there is no buffer compensation design at the connection and fixing place of the hydraulic end valve box, and leakage may occur at the joint due to thermal expansion and contraction and impact force.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A hydraulic end valve box with a stable connection includes a valve box, the valve box is provided with a flow channel opening, the valve box is provided with a threaded hole on the outside of the flow channel opening, a compensator is arranged at the position of the threaded hole, the compensator includes a flange plate, a corrugated expansion sleeve, a docking plate, a guide pipe, a limit ring and a through hole, the flange plate is arranged corresponding to the threaded hole, the corrugated expansion sleeve is fixedly installed on the inner side of the flange plate, the end of the corrugated expansion sleeve is fixedly installed with the docking plate, the guide pipe is fixedly installed on the inner side of the docking plate, the guide pipe penetrates into the flow channel opening, and the limit ring is fixedly installed on the deep end of the guide pipe, and the docking plate is provided with a through hole on the outer side of the corrugated expansion sleeve.
[0006] As a further description of the above technical solution:
[0007] A distance is left between the corrugated expansion sleeve and the flow guide pipe.
[0008] As a further description of the above technical solution:
[0009] The outer wall of the flow guide tube is arranged in contact with the flow channel opening.
[0010] As a further description of the above technical solution:
[0011] The outer edge of the limiting ring is located at the inner side of the threaded hole surrounding circle.
[0012] As a further description of the above technical solution:
[0013] The extended length of the corrugated expansion sleeve is the same as the length of the flow guide pipe.
[0014] As a further description of the above technical solution:
[0015] The threaded holes, the holes of the flange plate and the through holes are arranged correspondingly.
[0016] Compared with the prior art, the utility model provides a hydraulic end valve box with stable connection, which has the following beneficial effects:
[0017] 1. In the utility model, a compensator is installed on the valve box to solve the connection leakage problem caused by thermal expansion and contraction and impact force at the interface, making the connection more stable;
[0018] 2. In the utility model, the flange plate and the threaded holes are arranged correspondingly, and the threaded holes and the through holes are arranged correspondingly, which is convenient for drilling. The compensator has its own limiter, and the guide tube will not be separated from the flow channel opening. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the cross-sectional structure of the installation of the compensator of the utility model;
[0020] Figure 2 It is a schematic diagram of the external structure of the utility model.
[0021] Legend:
[0022] 1. Valve box; 2. Flow channel opening; 3. Threaded hole; 4. Flange plate; 5. Bellows expansion sleeve; 6. Butt plate; 7. Flow guide tube; 8. Limit ring; 9. Perforation. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Example:
[0025] See also Figure 1-Figure 2The utility model provides a hydraulic end valve box with stable connection, including a valve box 1, the valve box 1 is provided with a flow channel opening 2, the valve box 1 is provided with a threaded hole 3 located on the outer side of the flow channel opening 2, a compensator is arranged at the position of the threaded hole 3, the compensator includes a flange plate 4, a corrugated expansion sleeve 5, a docking plate 6, a guide pipe 7, a limit ring 8 and a through hole 9, the flange plate 4 is arranged corresponding to the threaded hole 3, the inner side of the flange plate 4 is fixedly installed with the corrugated expansion sleeve 5, the end of the corrugated expansion sleeve 5 is fixedly installed with the docking plate 6, the inner side of the docking plate 6 is fixedly installed with the guide pipe 7, the guide pipe 7 penetrates into the flow channel opening 2, and the deep end of the guide pipe 7 is fixedly installed with the limit ring 8, and the docking plate 6 is provided with a through hole 9 located on the outer side of the corrugated expansion sleeve 5.
[0026] Specifically, Figure 1 As shown, a distance is left between the bellows expansion sleeve 5 and the flow guide tube 7 to facilitate the bellows expansion sleeve 5 to expand and contract without rubbing the flow guide tube 7 .
[0027] Specifically, Figure 1 As shown, the outer wall of the flow guide tube 7 is arranged in contact with the flow channel opening 2, and the flow guide tube 7 does not shake.
[0028] Specifically, Figure 1 As shown, the outer edge of the limiting ring 8 is located at the inner side of the surrounding circle of the threaded hole 3, and the limiting ring 8 will not contact and get stuck with the bolts installed at the threaded hole 3.
[0029] Specifically, the extended length of the bellows expansion sleeve 5 is the same as the length of the flow guide tube 7, the lengths are matched, and the expansion and contraction movements are synchronous.
[0030] Specifically, the threaded hole 3, the hole of the flange plate 4 and the through hole 9 are arranged correspondingly to facilitate processing.
[0031] Working principle:
[0032] The compensator is installed at the position of the threaded hole 3, the flange of the docking device is bolted at the docking plate 6 of the compensator, bolts are installed at the threaded hole 3 and the flange plate 4, and the compensator is fixed on the valve box 1. When thermal expansion and contraction and impact force occur, the bellows expansion sleeve 5 automatically expands and contracts, and at this time, the guide pipe 7 always moves back and forth along the flow channel opening 2 to play a guiding role.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hydraulic end valve box with stable connection, comprising a valve box (1), the valve box (1) being provided with a flow passage opening (2), characterized in that: The valve box (1) is provided with a threaded hole (3) on the outer side of the flow channel opening (2); a compensator is arranged at the position of the threaded hole (3); the compensator comprises a flange plate (4), a corrugated expansion sleeve (5), a docking plate (6), a flow guide pipe (7), a limiting ring (8) and a through hole (9); the flange plate (4) is arranged corresponding to the threaded hole (3); the inner side of the flange plate (4) is fixedly installed with the corrugated expansion sleeve (5); the end of the corrugated expansion sleeve (5) is fixedly installed with the docking plate (6); the inner side of the docking plate (6) is fixedly installed with the flow guide pipe (7); the flow guide pipe (7) penetrates into the flow channel opening (2); and the limiting ring (8) is fixedly installed at the deep end of the flow guide pipe (7); and the through hole (9) is arranged on the outer side of the corrugated expansion sleeve (5).
2. A hydraulic end valve box with stable connection according to claim 1, characterized in that: A distance is left between the corrugated expansion sleeve (5) and the flow guide pipe (7).
3. A hydraulic end valve box with stable connection according to claim 1, characterized in that: The outer wall of the flow guide tube (7) is arranged in contact with the flow channel opening (2).
4. The hydraulic end valve box with stable connection according to claim 1, characterized in that: The outer edge of the limiting ring (8) is located inside the surrounding circle of the threaded hole (3).
5. The hydraulic end valve box with stable connection according to claim 1, characterized in that: The extended length of the corrugated expansion sleeve (5) is the same as the length of the flow guide tube (7).
6. The hydraulic end valve box with stable connection according to claim 1, characterized in that: The threaded hole (3), the hole of the flange plate (4) and the through hole (9) are arranged correspondingly.