Heating and ventilation valve of building energy-saving heating and ventilation equipment

Abstract

The utility model provides a heating and ventilation valve of building energy-saving heating and ventilation equipment, which belongs to the field of heating and ventilation valves and comprises a heating and ventilation valve body, two sides of the heating and ventilation valve body are connected with connecting pipes, and connecting components are arranged between the heating and ventilation valve body and the two connecting pipes. The connecting assembly comprises a fixing pipe, a lantern ring, a positioning ring, a sleeve, a large gear, two threaded cylinders, two small gears, two threaded rods and a clamping plate. According to the heating and ventilation valve, the connecting assembly is arranged, the heating and ventilation valve body and the connecting pipe can be rapidly and conveniently connected, operation is easy, time and labor are saved, working efficiency is improved, the fixing assembly is further arranged, the large gear can be limited, loosening of the connecting pipe is avoided, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of HVAC valves, in particular to a HVAC valve for building energy-saving HVAC equipment. Background Art

[0002] HVAC control valve, also known as lock valve and civil heating valve. It is convenient for property management, and residents can adjust the temperature and time of heating independently. It is an environmentally friendly and energy-saving product. It is usually connected by an electric actuator and a valve body, and becomes a HVAC control valve after installation and commissioning.

[0003] In the prior art, HVAC valves of HVAC equipment are mostly connected to pipelines through flanges. Although this method has good sealing performance, the installation operation is complicated and troublesome, time-consuming and labor-intensive, and reduces work efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a HVAC valve for building energy-saving HVAC equipment.

[0005] The embodiment of the utility model provides a HVAC valve for building energy-saving HVAC equipment, comprising:

[0006] A HVAC valve body, both sides of which are connected to connecting pipes, and a connecting assembly is provided between the HVAC valve body and the two connecting pipes;

[0007] The connecting assembly includes a fixed tube, a collar, a positioning ring, a sleeve, a large gear, two threaded tubes, two small gears, two threaded rods and a clamping plate. The fixed tube is connected to one end of the HVAC valve body, the outer end of the fixed tube passes through the collar and is fixedly arranged, one end of the connecting tube passes through the positioning ring and is fixedly arranged, the sleeve is sleeved on the fixed tube and rotatably arranged, the large gear is fixedly sleeved on the sleeve, the two threaded tubes both pass through the collar and are rotatably arranged, the two threaded tubes respectively pass through the two small gears and are fixedly arranged, the two threaded rods respectively pass through the two threaded tubes and are threadedly connected, and the other ends of the two threaded rods are fixedly arranged on the clamping plate.

[0008] Furthermore, it also includes a fixing component, which includes a shaft and a block. The shaft is fixedly set on the ring, and the shaft passes through one end of the block and is rotatably set. The rotation point of the block and the shaft is matched with a torsion spring.

[0009] Furthermore, the two pinion gears are symmetrically arranged on both sides of the large gear, and the two pinion gears are meshedly connected with the large gear.

[0010] Furthermore, rubber sealing pads are fixedly arranged on the outer sides of the positioning ring and the sleeve ring, and the two rubber sealing pads are arranged to abut against each other.

[0011] Furthermore, the outer ends of the two threaded rods are fixedly provided with limit blocks, and the two threaded rods are symmetrically arranged at both ends of the clamping plate. The clamping plate is provided with a clamping groove, and the clamping groove is cooperated with the connecting pipe and the positioning ring.

[0012] Furthermore, one side of the clamping block is arranged in an inclined surface, and the clamping block is arranged in cooperation with the large gear.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. A sleeve and a clamping plate are set. First, insert the positioning ring on the connecting pipe into the inner side of the clamping plate, and clamp the connecting pipe in the clamping groove. Then, the large gear can be driven to rotate by rotating the sleeve, and the large gear can drive the two small gears to rotate. The two small gears can drive the two threaded barrels to rotate. The rotation of the two threaded barrels can drive the two threaded rods to move inward, and the two threaded rods can drive the clamping plate to move inward. Pull the positioning ring and the connecting pipe to move, so that the two rubber sealing pads are pressed against each other, and the HVAC valve body and the connecting pipe can be sealed and connected. The operation is simple. Rotating the sleeve in the opposite direction can drive the clamping plate to move outward and loosen the connecting pipe, which is easy to disassemble.

[0015] 2. Set a card block and a torsion spring. When the sleeve rotates forward, the teeth of the large gear can squeeze the inclined surface of the card block and push the card block to rotate. The torsion spring can drive the card block to rotate and reset. If the sleeve rotates in the opposite direction, the card block can clamp the teeth of the large gear to prevent the sleeve from rotating in the opposite direction, thereby preventing the card plate from loosening. After removing the card block, the sleeve can be rotated in the opposite direction to loosen the card plate.

[0016] To sum up, the utility model is provided with a connecting component, which can quickly and conveniently connect the HVAC valve body and the connecting pipe. The operation is simple, time-saving and labor-saving, and work efficiency is improved. A fixing component is also provided to limit the large gear to prevent the connecting pipe from loosening, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereoscopic diagram of a HVAC valve of a building energy-saving HVAC equipment described in an embodiment of the utility model.

[0018] Figure 2 It is a partial stereoscopic diagram of a HVAC valve of a building energy-saving HVAC equipment described in an embodiment of the utility model.

[0019] Figure 3 It is a structural schematic diagram of a connection component in a HVAC valve of a building energy-saving HVAC equipment described in an embodiment of the utility model.

[0020] In the above drawings: 1 HVAC valve body, 2 fixing pipe, 3 collar, 4 connecting pipe, 5 positioning ring, 6 rubber sealing gasket, 7 sleeve, 8 large gear, 9 threaded tube, 10 small gear, 11 threaded rod, 12 limit block, 13 clamping plate, 14 shaft rod, 15 clamping block. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] like Figure 1-Figure 3 As shown, the embodiment of the utility model proposes a HVAC valve for building energy-saving HVAC equipment, including:

[0023] A HVAC valve body 1, both sides of the HVAC valve body 1 are connected with connecting pipes 4, and connecting components are provided between the HVAC valve body 1 and the two connecting pipes 4;

[0024] The connection assembly includes a fixed pipe 2, a collar 3, a positioning ring 5, a sleeve 7, a large gear 8, two threaded cylinders 9, two small gears 10, two threaded rods 11 and a clamping plate 13. The fixed pipe 2 is connected with one end of the HVAC valve body 1, the outer end of the fixed pipe 2 passes through the collar 3 and is fixed, one end of the connecting pipe 4 passes through the positioning ring 5 and is fixed, and the outer sides of the positioning ring 5 and the collar 3 are fixedly provided with rubber sealing pads 6, and the two rubber sealing pads 6 are set against each other. The two rubber sealing pads 6 are tightly pressed against each other to seal the HVAC valve body 1 and the connecting pipe 4;

[0025] The sleeve 7 is sleeved on the fixed tube 2 and rotatably arranged, the large gear 8 is fixedly sleeved on the sleeve 7, the two threaded tubes 9 are both penetrated through the collar 3 and rotatably arranged, the two threaded tubes 9 are respectively penetrated through the two small gears 10 and are fixedly arranged, the two small gears 10 are symmetrically arranged on both sides of the large gear 8, the two small gears 10 are meshed and connected with the large gear 8, so that the large gear 8 can drive the two small gears 10 to rotate, the two threaded rods 11 are respectively penetrated through the two threaded tubes 9 and are threadedly connected, the other ends of the two threaded rods 11 are both fixedly arranged on the clamping plate 13, the outer ends of the two threaded rods 11 are both fixedly provided with limiting blocks 12, the two limiting blocks 12 play a role of limiting the two threaded rods 11, the two threaded rods 11 are symmetrically arranged at both ends of the clamping plate 13, and do not contact with the positioning ring 5 to avoid being stuck, a clamping groove is provided on the clamping plate 13, the clamping groove is matched with the connecting tube 4 and the positioning ring 5, so that the connecting tube 4 can be clamped into the clamping groove, and the clamping plate 13 can clamp the positioning ring 5 for limiting;

[0026] It also includes a fixing component, which includes a shaft rod 14 and a block 15. The shaft rod 14 is fixedly set on the ring 3. The shaft rod 14 passes through one end of the block 15 and is rotatably set. The block 15 and the shaft rod 14 are matched with a torsion spring at the rotation point. After the block 15 rotates, the torsion spring can drive the block 15 to rotate and reset. One side of the block 15 is set in an inclined surface. The block 15 is matched with the large gear 8 so that the large gear 8 squeezes the inclined surface of the block 15 to push the block 15 to rotate.

[0027] The detailed working process of the utility model is as follows:

[0028] 1. During installation, the staff first inserts the positioning ring 5 on the connecting pipe 4 into the inner side of the card plate 13, so that the connecting pipe 4 is inserted into the card groove, and then rotates the sleeve 7 to drive the large gear 8 to rotate. The large gear 8 drives the two threaded cylinders 9 to rotate through the two small gears 10. The rotation of the two threaded cylinders 9 drives the two threaded rods 11 to move inward. The two threaded rods 11 drive the card plate 13 to move inward, tighten the connecting pipe 4 and the positioning ring 5, and make the two rubber sealing pads 6 close to each other. At the same time, the large gear 8 can push the card block 15 to rotate, and the card block 15 can clamp the large gear 8 to prevent the card plate 13 from loosening. Finally, the other side is installed in the same way, and the HVAC valve body 1 can be fixedly installed;

[0029] 2. When disassembling, the staff first turns the block 15 to separate it from the large gear 8, and then rotates the sleeve 7 in the opposite direction to drive the large gear 8 to rotate in the opposite direction. The large gear 8 drives the two threaded cylinders 9 to rotate in the opposite direction through the two small gears 10. The two threaded cylinders 9 drive the clamping plate 13 to move outward through the two threaded rods 11, loosen the positioning ring 5, and then remove the connecting pipe 4. Finally, disassemble the other side in the same way, and the HVAC valve body 1 can be disassembled.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A HVAC valve for building energy-saving HVAC equipment, characterized in that: include: A HVAC valve body (1), both sides of the HVAC valve body (1) being connected to connecting pipes (4), and connecting components being provided between the HVAC valve body (1) and the two connecting pipes (4); The connection assembly comprises a fixing pipe (2), a collar (3), a positioning ring (5), a sleeve (7), a large gear (8), two threaded cylinders (9), two small gears (10), two threaded rods (11) and a clamping plate (13); the fixing pipe (2) is connected to one end of the HVAC valve body (1); the outer end of the fixing pipe (2) passes through the collar (3) and is fixedly arranged; one end of the connecting pipe (4) passes through the positioning ring (5) and is fixedly arranged; the sleeve (7) is sleeved on the fixing pipe (2) and is rotatably arranged; the large gear (8) is fixedly sleeved on the sleeve (7); the two threaded cylinders (9) both pass through the collar (3) and are rotatably arranged; the two threaded cylinders (9) respectively pass through the two small gears (10) and are fixedly arranged; the two threaded rods (11) respectively pass through the two threaded cylinders (9) and are threadedly connected; and the other ends of the two threaded rods (11) are fixedly arranged on the clamping plate (13).

2. A HVAC valve for building energy-saving HVAC equipment according to claim 1, characterized in that: in: The invention also comprises a fixing assembly, wherein the fixing assembly comprises a shaft (14) and a clamping block (15), wherein the shaft (14) is fixedly arranged on the collar (3), and the shaft (14) passes through one end of the clamping block (15) and is rotatably arranged, and a torsion spring is arranged in cooperation with the rotational position of the clamping block (15) and the shaft (14).

3. A HVAC valve for building energy-saving HVAC equipment according to claim 1, characterized in that: in: The two small gears (10) are symmetrically arranged on both sides of the large gear (8), and the two small gears (10) are meshingly connected with the large gear (8).

4. A HVAC valve for building energy-saving HVAC equipment according to claim 1, characterized in that: in: Rubber sealing pads (6) are fixedly arranged on the outer sides of the positioning ring (5) and the sleeve ring (3), and the two rubber sealing pads (6) are arranged to abut against each other.

5. A HVAC valve for building energy-saving HVAC equipment according to claim 1, characterized in that: in: The outer ends of the two threaded rods (11) are fixedly provided with limit blocks (12), and the two threaded rods (11) are symmetrically arranged at the two ends of a clamping plate (13). The clamping plate (13) is provided with a clamping groove, and the clamping groove is matched with the connecting pipe (4) and the positioning ring (5).

6. A HVAC valve for building energy-saving HVAC equipment according to claim 2, characterized in that: in: One side of the clamping block (15) is arranged in an inclined surface, and the clamping block (15) is arranged in cooperation with the large gear (8).

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