Throttling device for refrigerating system
By designing a throttling device including a rotating ring, a movable block and a locking rod, the problem of uneconomical operation of the throttling device in the prior art is solved, and convenient cleaning of the throttling plate is achieved, reducing labor intensity and improving operating economy.
Patent Information
- Application Number
- CN202421357665.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The throttling device of the existing refrigeration system is prone to be uneconomical to operate due to blockage of the throttling hole after a long period of use, and the throttling plate is difficult to remove and clean, which increases the labor intensity of the staff.
A throttling device including a throttling pipe, a rotating ring, a fixing block, a spring, a circular plate, a connecting pipe, a pressure retrieval hole, a fixing ring, a throttling hole, a support rod, a sealing ring, a throttling disk, a movable block, a locking rod, a connecting block and a limiting block are designed. By turning the rotating ring counterclockwise, the movable block and locking rod can be moved, and the circular plate can be removed from the throttle pipe, and the throttle plate can be moved to the outside for cleaning.
This device makes cleaning of the throttle plate more convenient, saves time and effort, reduces the labor intensity of staff, and improves the operational economics of the refrigeration system.
Smart Images
Figure CN222811968U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigeration systems, in particular to a throttling device for refrigeration systems. Background Art
[0002] Each of the four major components of the refrigeration system will affect the economy and reliability of the refrigerator. Among them, the throttling component can affect the load adjustment range of the refrigerator, the economy and feasibility of operation under different climate and temperature conditions.
[0003] In the prior art, after a refrigeration system has been used for a long time, the throttling hole on the throttling device used is small in diameter and is easily blocked. The throttling disk is usually arranged in the throttling pipe, which is inconvenient to remove the throttling disk for cleaning, which is time-consuming and laborious, and increases the labor intensity of the staff. Therefore, we have introduced a throttling device for a refrigeration system. Utility Model Content
[0004] The purpose of the utility model is to provide a throttling device for a refrigeration system, which is convenient for cleaning the blocked impurities by the throttling disk after long-term use, saving time and effort, reducing the labor intensity of the staff, and solving the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A throttling device for a refrigeration system comprises a throttling pipe, a connecting pipe is fixedly provided on one side of the bottom of the throttling pipe, a fixing ring is fixedly provided at the inner center of the throttling pipe, a throttling disk is provided on the side of the fixing ring close to the connecting pipe, a plurality of throttling holes are evenly provided on the throttling disk, support rods are fixedly provided on both sides of the throttling disk, the other ends of the two support rods extend to the outside of the throttling pipe and are fixedly provided with a circular plate, a sealing ring is fixedly provided on the edge of one side of the circular plate close to the throttling pipe, a plurality of connecting blocks are evenly fixedly provided on the circumferential wall of the circular plate, limiting holes are provided on the front side of the circular plate corresponding to the positions of the plurality of connecting blocks, a limiting block is slidably provided in the limiting hole, one end of the limiting block is fixedly connected to the end of the throttling pipe, and a locking mechanism is provided on the circular plate.
[0007] Preferably, the locking mechanism includes a rotating ring, which is arranged outside the multiple connecting blocks, and the ring wall of the rotating ring is located on the counterclockwise side of the multiple connecting blocks and is fixed with a movable block, the side wall of the movable block is fixed with a locking rod, the side wall of the connecting block is provided with a locking groove matching the locking rod, the ring wall of the rotating ring is located between the movable block and the adjacent connecting block and is slidably provided with a fixed block, the fixed block is fixedly connected to the pipe wall of the throttling pipe, and the ring wall of the rotating ring is located between the fixed block and the movable block and a spring is movablely sleeved.
[0008] Preferably, the spring is always in a compressed state.
[0009] Preferably, pressure holes are provided at both sides of the fixing ring at the bottom of the throttling pipe.
[0010] Preferably, a sealing ring is fixedly provided on one side edge of the circular plate close to the curved portion.
[0011] Preferably, the sealing ring is a corrosion-resistant rubber ring.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The throttling device for the refrigeration system is provided with a throttling pipe, a rotating ring, a fixed block, a spring, a circular plate, a connecting pipe, a pressure taking hole, a fixed ring, a throttling hole, a supporting rod, a sealing ring, a throttling disk, a movable block, a locking rod, a connecting block and a limiting block. When the throttling disk needs to be taken out for cleaning, the rotating ring is rotated counterclockwise, the rotating ring drives a plurality of movable blocks to rotate, and the movable blocks drive the corresponding locking rods to move to the outside of the locking groove. At this time, the circular plate can be removed from the throttling pipe, and the circular plate drives the throttling disk to move to the outside of the throttling pipe through the supporting rod, so that the throttling disk can be cleaned of blocked impurities after long-term use, which saves time and effort and reduces the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a structural schematic diagram of a throttling device for a refrigeration system.
[0015] Figure 2 The present invention is a schematic diagram of the internal structure of a throttling device for a refrigeration system.
[0016] Figure 3 for Figure 2 An enlarged schematic diagram of part A in the figure.
[0017] In the figure: 1. throttling pipe; 2. rotating ring; 3. fixed block; 4. spring; 5. circular plate; 6. connecting pipe; 7. pressure taking hole; 8. fixed ring; 9. throttling hole; 10. support rod; 11. sealing ring; 12. throttling disk; 13. movable block; 14. locking rod; 15. connecting block; 16. limit block. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figures 1 to 3 , the utility model provides a technical solution:
[0020] A throttling device for a refrigeration system comprises a throttling pipe 1, a connecting pipe 6 is fixedly arranged on one side of the bottom of the throttling pipe 1, a fixing ring 8 is fixedly arranged at the inner center of the throttling pipe 1, a throttling disk 12 is arranged on the side of the fixing ring 8 close to the connecting pipe 6, a plurality of throttling holes 9 are evenly arranged on the throttling disk 12, support rods 10 are fixedly arranged on both sides of the throttling disk 12, the other ends of the two support rods 10 are extended to the outside of the throttling pipe 1 and are fixedly arranged with a circular plate 5, a sealing ring 11 is fixedly arranged on the edge of one side of the circular plate 5 close to the throttling pipe 1, a plurality of connecting blocks 15 are evenly fixedly arranged on the circumferential wall of the circular plate 5, limiting holes are arranged at the front side of the circular plate 5 corresponding to the positions of the plurality of connecting blocks 15, a limiting block 16 is slidably arranged in the limiting hole, one end of the limiting block 16 is fixedly connected to the end of the throttling pipe 1, and a locking mechanism is arranged on the circular plate 5.
[0021] The locking mechanism includes a rotating ring 2, which is arranged outside a plurality of connecting blocks 15. A movable block 13 is fixedly arranged on the ring wall of the rotating ring 2 located on the counterclockwise side of the plurality of connecting blocks 15. A locking rod 14 is fixedly arranged on the side wall of the movable block 13. A locking groove matching the locking rod 14 is opened on the side wall of the connecting block 15. A fixed block 3 is slidably arranged on the ring wall of the rotating ring 2 located between the movable block 13 and the adjacent connecting block 15. The fixed block 3 is fixedly connected to the pipe wall of the throttling pipe 1. A spring 4 is movably sleeved on the ring wall of the rotating ring 2 located between the fixed block 3 and the movable block 13. The spring 4 is always in a compressed state. The spring 4 can push the locking rod 14 on the movable block 13 to always be engaged with the locking groove on the connecting block 15.
[0022] Pressure holes 7 are provided at both sides of the fixing ring 8 at the bottom of the throttling pipe 1 , and the two pressure holes 7 can be connected to an external differential pressure transmitter, thereby facilitating the measurement of the pressure difference on both sides of the throttling disk 12 .
[0023] A sealing ring 11 is fixedly provided on one edge of the circular plate 5 close to the curved portion, thereby improving the sealing effect.
[0024] The sealing ring 11 is a corrosion-resistant rubber ring, and a corrosion-resistant coating is provided on the surface of the corrosion-resistant rubber ring, so the corrosion-resistant effect is good and the service life is long.
[0025] When the throttling disk 1 needs to be taken out for cleaning, the rotating ring 2 is rotated counterclockwise, and the rotating ring 2 drives multiple movable blocks 13 to rotate. The movable blocks 13 drive the corresponding locking rods 14 to move to the outside of the locking groove. At this time, the circular plate 5 can be removed from the throttling pipe 1, and the circular plate 5 drives the throttling disk 12 to move to the outside of the throttling pipe 1 through the support rod 10, so that the throttling disk 12 can be cleaned of blocked impurities after long-term use, which saves time and effort and reduces the labor intensity of the staff.
[0026] 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 throttling device for a refrigeration system, comprising a throttling pipe (1), characterized in that: A connecting pipe (6) is fixedly provided on one side of the bottom of the throttling pipe (1), a fixing ring (8) is fixedly provided at the inner center of the throttling pipe (1), a throttling disc (12) is provided on one side of the fixing ring (8) close to the connecting pipe (6), a plurality of throttling holes (9) are evenly provided on the throttling disc (12), support rods (10) are fixedly provided on both sides of the throttling disc (12), the other ends of the two support rods (10) extend outside the throttling pipe (1) and are fixedly provided with a circular plate (5), a sealing ring (11) is fixedly provided on the edge of one side of the circular plate (5) close to the throttling pipe (1), a plurality of connecting blocks (15) are evenly fixedly provided on the circumferential wall of the circular plate (5), limiting holes are provided on the front side of the circular plate (5) at positions corresponding to the positions of the plurality of connecting blocks (15), a limiting block (16) is slidably provided in the limiting hole, one end of the limiting block (16) is fixedly connected to the end of the throttling pipe (1), and a locking mechanism is provided on the circular plate (5).
2. A throttling device for a refrigeration system according to claim 1, characterized in that: The locking mechanism comprises a rotating ring (2), the rotating ring (2) being arranged outside a plurality of connecting blocks (15), a movable block (13) being fixedly provided on a ring wall of the rotating ring (2) located on a counterclockwise side of the plurality of connecting blocks (15), a locking rod (14) being fixedly provided on a side wall of the movable block (13), a locking groove cooperating with the locking rod (14) being provided on the side wall of the connecting block (15), a fixed block (3) being slidably provided on a ring wall of the rotating ring (2) located between the movable block (13) and an adjacent connecting block (15), the fixed block (3) being fixedly connected to a pipe wall of the throttling pipe (1), and a spring (4) being movably sleeved on a ring wall of the rotating ring (2) located between the fixed block (3) and the movable block (13).
3. A throttling device for a refrigeration system according to claim 2, characterized in that: The spring (4) is always in a compressed state.
4. A throttling device for a refrigeration system according to claim 1, characterized in that: The bottom of the throttling pipe (1) is provided with pressure holes (7) on both sides of the fixing ring (8).
5. A throttling device for a refrigeration system according to claim 1, characterized in that: A sealing ring (11) is fixedly provided on one side edge of the circular plate (5) close to the curved portion.
6. A throttling device for a refrigeration system according to claim 5, characterized in that: The sealing ring (11) is a corrosion-resistant rubber ring.