Water distributing and collecting device for heating and ventilation system

Abstract

The utility model discloses a water distributing and collecting device for a heating and ventilation system, which comprises an upper shell, a lower shell connected below the upper shell through bolts and nuts, a water inlet pipe vertically communicated with the top surface of the upper shell, two symmetrical water outlet pipes vertically communicated with the bottom surface of the lower shell, and a filter screen suspended in the lower shell, the filter screen is jointly connected with the lower shell and the upper shell through a supporting piece, a baffle is fixed to each of the two sides of the lower shell, the two baffles abut against the two sides of the filter screen respectively, and a cleaning piece attached to the inner wall of the filter screen is movably connected into the lower shell. According to the utility model, the filter screen is suspended in the lower shell through the supporting piece, so that water entering the water segregator is filtered, and impurities in the water segregator are prevented from forming scale, blocking in the water inlet pipe and the water outlet pipe and influencing the flowing speed of water flow of the water segregator, and the cleaning piece is arranged on the filter screen, so that the cleaning effect of the water flow in the water segregator is improved. And therefore, the blockage of the filter screen caused by the adhesion of scale to the filter screen is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC equipment, in particular to a manifold for a HVAC system. Background Art

[0002] The manifold is used for the distribution, flow regulation and control of the supply and return water. The manifold consists of a water distribution pipe and a water collection pipe. The water distribution pipe is connected to the water supply pipe of the pipe network system. Its main function is to distribute the hot water from the pipe network system to the rooms that need floor heating through the floor heating pipe buried under the floor. When the hot water flows in the floor heating pipe, the heat is transferred to the floor, and then radiated to the room through the floor. However, after repeated operation, a large amount of scale will be stored inside the manifold, which will cause the diversion port to be blocked, and then affect the water flow area in the pipeline. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a manifold for a HVAC system.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a manifold for a HVAC system, comprising an upper shell, a lower shell connected to the bottom of the upper shell by bolts and nuts, the top surface of the upper shell is vertically connected to a water inlet pipe, and the bottom surface of the lower shell is vertically connected to two symmetrical water outlet pipes, a filter is suspended in the lower shell, and the filter is connected to the lower shell and the upper shell through a support, a baffle is fixed on each side of the lower shell, and the two baffles are respectively abutted against the two sides of the filter, and a cleaning member that fits the inner wall of the filter is movably connected in the lower shell.

[0005] As a further description of the above technical solution: a sealing groove is provided at the lower end of the upper shell, a sealing strip is inserted into the sealing groove, the sealing strip is fixedly connected to the lower shell and is made of rubber.

[0006] As a further description of the above technical solution: the support member includes support plates fixed on both sides of the filter screen, the top surface of each support plate vertically penetrates a plurality of equally spaced positioning holes, each positioning hole is axially inserted with a first positioning block and a second positioning block that are symmetrical up and down, the bottom surfaces of the plurality of the first positioning blocks on the same side are jointly fixed with a bottom plate, the bottom plate is fitted with the bottom surface of the support plate and fixedly connected to the lower shell body, the top surfaces of the plurality of the second positioning blocks on the same side are jointly fixed with a top plate, the top plate is fitted with the top surface of the support plate and fixedly connected to the upper shell body.

[0007] As a further description of the above technical solution: the cleaning member includes a driving motor horizontally fixed on one side of the lower shell, the output end of the driving motor is transmission-connected to a driving shaft, the end of the driving shaft rotates through the lower shell, the end of the driving shaft is movably connected to a stop block, the end of the stop block abuts against a support shaft, two radially symmetrical scrapers are provided on the outside of the support shaft, the scrapers are in contact with the inner wall of the filter, and a driven shaft is provided at the end of the support shaft, and the driven shaft is rotatably connected to the inner wall on the other side of the lower shell.

[0008] As a further description of the above technical solution: a cross groove is axially opened at the inner center of the stop block and the center of the driven shaft, and a cross block is axially inserted in the two cross grooves. The two cross blocks are concentrically fixed at the two ends of the support shaft respectively, and two radially symmetrical T-slots are axially opened on the end face of the support shaft, and a T-block is axially slidably connected in the T-slot, and a scraper is fixed at the end of each T-block, and the diameter of the stop block is equal to the diameter of the driven shaft, and the diameter of the driven shaft is equal to the diameter of the support shaft.

[0009] As a further description of the above technical solution: a receiving groove is concentrically opened on one side of the support block, the driving shaft extends into the receiving groove, a first spring is fixed between the driving shaft and the receiving groove, two radially symmetrical sliding grooves are axially opened on the inner wall of the receiving groove, a sliding block is slidably connected in each of the sliding grooves, and the sliding block is fixedly connected to the driving shaft.

[0010] As a further description of the above technical solution: a countersunk hole connected to the cross groove is radially opened on the outside of the resist block, and the large diameter end of the countersunk hole is distributed downward, and the top surface of the resist block abuts a pull block, and a pull rod is vertically fixed to the bottom surface of the pull block, and the pull rod axially slides and passes through the countersunk hole, and the end of the pull rod is fixedly connected to a locking block, and a second spring is jointly fixed between the top surface of the locking block and the large diameter end of the countersunk hole, and a blind hole is vertically opened on each horizontal surface of the cross block, and the locking block is inserted into the blind hole.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, the manifold for the HVAC system has a filter screen suspended in the lower shell through a support member, which plays a role in filtering the water entering the manifold, and prevents the impurities in the manifold from forming scale, clogging the water inlet pipe and the water outlet pipe, and affecting the flow rate of the water flow in the manifold. A cleaning member is arranged on the filter screen, which prevents the scale from adhering to the filter screen, causing the filter screen to be blocked, and affecting the filtering effect of the filter screen on impurities in the water body, as well as the flowability of the filter screen;

[0013] 2. Compared with the prior art, the manifold used in the HVAC system avoids the positional deviation of the filter screen and the lower shell under the impact force generated by the flow of water and the thrust of the detergent brushing, resulting in some unfiltered water flowing out from the gap between the filter screen and the lower shell, affecting the filtering effect of the filter screen on the water body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of the overall structure of a manifold for a HVAC system proposed by the utility model;

[0015] Figure 2 This is a main cross-sectional view of the overall structure of a manifold for a HVAC system proposed by the utility model;

[0016] Figure 3 This is a side sectional view of the overall structure of a manifold for a HVAC system proposed by the utility model;

[0017] Figure 4 A water distribution and collection device for a heating and ventilation system proposed in the utility model Figure 2 A magnified view of the structure at center A;

[0018] Figure 5 A water distribution and collection device for a heating and ventilation system proposed in the utility model Figure 2 A magnified view of the structure at B in the middle;

[0019] Figure 6 A water distribution and collection device for a heating and ventilation system proposed in the utility model Figure 3 The enlarged cross-sectional view of the structure at C in the middle;

[0020] Figure 7 A water distribution and collection device for a heating and ventilation system proposed in the utility model Figure 6 Enlarged view of the structure at D in the middle.

[0021] Legend:

[0022] 1. Upper shell; 2. Water inlet pipe; 3. Driving motor; 4. Lower shell; 5. Water outlet pipe; 6. Filter; 7. Baffle; 8. Scraper; 9. Support shaft; 10. Driven shaft; 11. Sealing groove; 12. Sealing strip; 13. Bottom plate; 14. First positioning block; 15. Support plate; 16. Positioning hole; 17. Top plate; 18. Second positioning block; 19. T-slot; 20. T-block; 21. Cross slot; 22. Cross block; 23. Blind hole; 24. Stop block; 25. Active shaft; 26. First spring; 27. Slider; 28. Slide groove; 29. ​​Storage groove; 30. Pull block; 31. Countersunk hole; 32. Pull rod; 33. Second spring; 34. Lock block. 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] Reference Figures 1 to 7 The utility model provides a manifold for a HVAC system: it comprises an upper shell 1, a lower shell 4 is connected to the lower part of the upper shell 1 by bolts and nuts, a sealing groove 11 is provided at the lower end of the upper shell 1, a sealing strip 12 is inserted into the sealing groove 11, the sealing strip 12 is fixedly connected to the lower shell 4 and is made of rubber, the top surface of the upper shell 1 is vertically connected to the water inlet pipe 2, the bottom surface of the lower shell 4 is vertically connected to two symmetrical water outlet pipes 5, a filter screen 6 is suspended in the lower shell 4, the filter screen 6 is connected to the lower shell 4 and the upper shell 1 through a support, a baffle 7 is fixed on each side of the lower shell 4, the two baffles 7 are respectively abutted against the two sides of the filter screen 6, the baffle 7 is a semicircular plate with a slope, and a cleaning member that fits the inner wall of the filter screen 6 is movably connected to the lower shell 4;

[0025] By arranging a filter screen 6 in the lower shell 4 through a support member in the air, the water entering the water divider is filtered, and the impurities in the water divider are prevented from forming scale, clogging the water inlet pipe 2 and the water outlet pipe 5, and affecting the flow rate of the water flow in the water divider. A cleaning member is arranged on the filter screen 6 to prevent the scale from adhering to the filter screen 6, causing the filter screen 6 to be blocked, affecting the filtering effect of the filter screen 6 on the impurities in the water body, and the flowability of the filter screen 6;

[0026] Reference Figure 1 and Figure 4 In order to achieve the purpose of supporting and limiting the installation of the filter 6, the support member includes support plates 15 fixed on both sides of the filter 6, and the top surface of each support plate 15 vertically penetrates a plurality of equidistantly distributed positioning holes 16, and each positioning hole 16 is axially inserted into a first positioning block 14 and a second positioning block 18 symmetrically connected to each other. The bottom surfaces of the plurality of first positioning blocks 14 on the same side are jointly fixed with a bottom plate 13, and the bottom plate 13 is fitted with the bottom surface of the support plate 15 and is fixedly connected to the lower shell 4. The top surfaces of the plurality of second positioning blocks 18 on the same side are jointly fixed with a top plate 17, and the top plate 17 is fitted with the top surface of the support plate 15 and is fixedly connected to the upper shell 1;

[0027] The top plate 17, the bottom plate 13, the support plate 15, the first positioning block 14, the second positioning block 18 and the positioning hole 16 prevent the filter 6 from being offset from the lower shell 4 due to the impact force generated by the flow of water and the thrust of the detergent, causing part of the unfiltered water to flow out from the gap between the filter 6 and the lower shell 4, thereby affecting the filtering effect of the filter 6 on the water.

[0028] Reference Figures 1 to 3 In order to prevent scale from adhering to the filter 6, the cleaning member includes a driving motor 3 horizontally fixed on one side of the lower shell 4, the output end of the driving motor 3 is transmission-connected to a driving shaft 25, the end of the driving shaft 25 rotates through the lower shell 4, the end of the driving shaft 25 is movably connected to a stop block 24, the end of the stop block 24 abuts a support shaft 9, the outside of the support shaft 9 is provided with two radially symmetrical scrapers 8, the scrapers 8 are in contact with the inner wall of the filter 6, the end of the support shaft 9 is provided with a driven shaft 10, and the driven shaft 10 is rotatably connected to the inner wall of the other side of the lower shell 4;

[0029] A cleaning member is provided on the filter 6 to prevent scale from adhering to the filter 6, causing clogging of the filter 6, and affecting the filtering effect of the filter 6 on impurities in the water body and the flowability of the filter 6;

[0030] Reference Figure 1 and Figure 3 as well as Figures 4 to 6 In order to achieve the purpose of replacing the scraper 8 and further cleaning the filter 6, a cross groove 21 is axially provided at the inner center of the stop block 24 and the center of the driven shaft 10, and a cross block 22 is axially inserted in the two cross grooves 21. The two cross blocks 22 are concentrically fixed at the two ends of the support shaft 9 respectively, and the end surface of the support shaft 9 is axially provided with two radially symmetrical T-shaped grooves 19, and a T-shaped block 20 is axially slidably connected in the T-shaped groove 19, and a scraper 8 is fixed at the end of each T-shaped block 20, and the diameter of the stop block 24 is equal to the diameter of the driven shaft 10, and the diameter of the driven shaft 10 is equal to the diameter of the support shaft 9; a receiving groove 29 is concentrically provided on one side of the stop block 24, and the driving shaft 25 extends into the receiving groove 29, and a first spring 26 is fixed between the driving shaft 25 and the receiving groove 29, and the inner wall of the receiving groove 29 is axially provided with two radially symmetrical sliding grooves 28, and a slider 27 is slidably connected in each sliding groove 28, and the slider 27 is fixedly connected to the driving shaft 25;

[0031] By axially slidingly connecting a stopper 24 at the end of the driving shaft 25, and connecting the support shaft 9 to the stopper 24 through the cross groove 21 and the cross block 22, it is convenient to replace the scraper 8 on the support shaft 9, thereby ensuring the cleaning effect of the scraper 8 on the inner wall of the filter screen 6;

[0032] Reference Figure 6 and Figure 7In order to prevent the support rod from deviating from the axial position when rotating, a countersunk hole 31 connected to the cross slot 21 is radially opened on the outside of the stop block 24, and the large diameter end of the countersunk hole 31 is distributed downward, and the top surface of the stop block 24 abuts a pull block 30, and a pull rod 32 is vertically fixed to the bottom surface of the pull block 30. The pull rod 32 axially slides through the countersunk hole 31, and the end of the pull rod 32 is fixedly connected to the locking block 34. A second spring 33 is fixed between the top surface of the locking block 34 and the large diameter end of the countersunk hole 31. A blind hole 23 is vertically opened on each horizontal surface of the cross block 22, and the locking block 34 is inserted into the blind hole 23;

[0033] By arranging a pull block 30, a locking block 34, a pull rod 32 and a second spring 33 at the end of the stop block 24 and the support shaft 9, the support shaft 9 is locked on the stop block 24 to prevent the axial position of the support shaft 9 from shifting when the support shaft 9 rotates, causing the water distributor to shake and causing the support shaft 9 to fall off the stop block 24.

[0034] Working principle: When in use, water enters the shell from the water inlet pipe 2, is filtered through the filter screen 6, and then flows out from the two water outlet pipes 5. The filter screen 6 will filter the impurities in the water body. At the same time, the driving motor 3 drives the active shaft 25 to rotate at a low speed. The active shaft 25 drives the support shaft 9 to rotate. The support shaft 9 drives the external scraper 8 to rotate on the inner wall of the filter screen 6 to scrape the scale on the filter screen 6 to prevent the scale from being stationary in the filter screen 6 for a long time, causing the scale to adhere to the filter screen 6. When it is necessary to replace the scraper 8 and further clean the filter screen 6, remove the bolts and nuts, and then connect the upper shell 1 with The lower shell 4 is separated, and then the pull block 30 is pulled upward. The pull block 30 pulls the locking block 34 from the blind hole 23 in the cross block 22 in the stop block 24 into the countersunk hole 31 through the pull rod 32. At the same time, the second spring 33 is compressed. Then the stop block 24 is pressed toward one side of the drive motor 3, so that the end of the driving shaft 25 moves into the storage groove 29. The first spring 26 is compressed to separate the cross block 22 at the end of the support shaft 9 from the cross groove 21 on the stop block 24. Then, the support shaft 9 is stretched toward the drive motor 3, so that the cross block 22 on the other side of the support shaft 9 is separated from the cross groove 21 on the driven shaft 10. Then, the support shaft 9 is taken out from the lower housing 4 together with the scraper blade 8, and then the filter screen 6 is directly taken out from the lower housing 4 for cleaning, and then the T-shaped block 20 is taken out from the T-shaped groove, and the new scraper blade 8 is installed in the T-shaped groove 19 on the support shaft 9 through the T-shaped block 20, and then the filter screen 6 is first placed in the lower housing 4, and the filter screen 6 is installed on the first positioning block 14 on the bottom plate 13 through the positioning block on the support plate 15, and then the cross block 22 at one end of the support shaft 9 is docked with the cross groove 21 on the driven shaft 10, and then the pull block 30 is pulled upward, the second spring 33 is compressed, and the lock block 34 is retracted into the sinker. The first spring 26 is compressed so that the cross block 22 on the other side of the support shaft 9 can be inserted into the cross slot 21 on the block 24, and the block 24 is released. The first spring 26 is reset so that the block 24 is in contact with the end of the support shaft 9, and the cross block 22 enters the cross slot 21. The pull block 30 is then released and the second spring 33 is reset. The second spring 33 pushes the locking block 34 from the countersunk hole 31 into the blind hole 23 on the cross block 22. The upper shell 1 is then combined with the lower shell 4, and then fixed with bolts and nuts.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A manifold for a HVAC system, comprising an upper shell (1), a lower shell (4) being connected to the lower portion of the upper shell (1) by bolts and nuts, the top surface of the upper shell (1) being vertically connected to a water inlet pipe (2), and the bottom surface of the lower shell (4) being vertically connected to two symmetrical water outlet pipes (5), characterized in that: A filter screen (6) is suspended in the lower shell (4), and the filter screen (6) is connected to the lower shell (4) and the upper shell (1) via a support member. A baffle plate (7) is fixed on each side of the lower shell (4), and the two baffle plates (7) are respectively abutted against the two sides of the filter screen (6). A cleaning member that is in contact with the inner wall of the filter screen (6) is movably connected in the lower shell (4).

2. A manifold for a HVAC system according to claim 1, characterized in that: A sealing groove (11) is provided at the lower end of the upper shell (1), a sealing strip (12) is inserted into the sealing groove (11), and the sealing strip (12) is fixedly connected to the lower shell (4) and is made of rubber.

3. A manifold for a HVAC system according to claim 1, characterized in that: The support member comprises support plates (15) fixed on both sides of the filter screen (6); the top surface of each support plate (15) is vertically penetrated by a plurality of equidistantly distributed positioning holes (16); each positioning hole (16) is axially inserted with a first positioning block (14) and a second positioning block (18) symmetrically connected to each other; the bottom surfaces of the plurality of first positioning blocks (14) on the same side are jointly fixed with a bottom plate (13); the bottom plate (13) is fitted with the bottom surface of the support plate (15) and is fixedly connected to the lower shell (4); the top surfaces of the plurality of second positioning blocks (18) on the same side are jointly fixed with a top plate (17); the top plate (17) is fitted with the top surface of the support plate (15) and is fixedly connected to the upper shell (1).

4. A manifold for a HVAC system according to claim 1, characterized in that: The cleaning component comprises a driving motor (3) fixed horizontally on one side of the lower shell (4); the output end of the driving motor (3) is connected to a driving shaft (25); the end of the driving shaft (25) rotates through the lower shell (4); the end of the driving shaft (25) is movably connected to a stop block (24); the end of the stop block (24) abuts against a support shaft (9); two radially symmetrical scrapers (8) are arranged on the outside of the support shaft (9); the scrapers (8) are in contact with the inner wall of the filter (6); the end of the support shaft (9) is provided with a driven shaft (10); the driven shaft (10) is rotatably connected to the inner wall of the other side of the lower shell (4).

5. A manifold for a HVAC system according to claim 4, characterized in that: A cross groove (21) is axially provided at the inner center of the stop block (24) and the center of the driven shaft (10), and a cross block (22) is axially inserted in each of the two cross grooves (21). The two cross blocks (22) are concentrically fixed at the two ends of the support shaft (9), and the end surface of the support shaft (9) is axially provided with two radially symmetrical T-shaped grooves (19). A T-shaped block (20) is axially slidably connected in the T-shaped groove (19), and a scraper (8) is fixed at the end of each T-shaped block (20). The diameter of the stop block (24) is equal to the diameter of the driven shaft (10), and the diameter of the driven shaft (10) is equal to the diameter of the support shaft (9).

6. A manifold for a HVAC system according to claim 4, characterized in that: A receiving groove (29) is concentrically formed on one side of the stop block (24), and the driving shaft (25) extends into the receiving groove (29). A first spring (26) is fixed between the driving shaft (25) and the receiving groove (29). Two radially symmetrical sliding grooves (28) are axially formed on the inner wall of the receiving groove (29), and a sliding block (27) is slidably connected in each of the sliding grooves (28), and the sliding block (27) is fixedly connected to the driving shaft (25).

7. A manifold for a HVAC system according to claim 5, characterized in that: A countersunk hole (31) connected to the cross groove (21) is radially opened on the outside of the stop block (24), and the large diameter end of the countersunk hole (31) is distributed downward. The top surface of the stop block (24) abuts against a pull block (30), and a pull rod (32) is vertically fixed to the bottom surface of the pull block (30). The pull rod (32) axially slides through the countersunk hole (31), and the end of the pull rod (32) is fixedly connected to the locking block (34). A second spring (33) is fixed between the top surface of the locking block (34) and the large diameter end of the countersunk hole (31). A blind hole (23) is vertically opened on each horizontal surface of the cross block (22), and the locking block (34) is inserted into the blind hole (23).

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