Plate heat exchanger for wall-hanging stove

Abstract

The utility model relates to the technical field of heat exchangers, and discloses a plate heat exchanger for a wall-hanging stove, which is characterized in that a left waterway assembly comprises a left block body fixedly arranged above a heat exchanger body, a motor fixedly arranged above the left block body, an eccentric shaft rotationally arranged in the left block body, and a hard ball fixedly arranged on the eccentric shaft; the eccentric shaft is located in the inner cavity, a motor output shaft is fixedly connected with the eccentric shaft, a water inlet A and a water inlet G are formed in the front side wall and the rear side wall of the inner cavity respectively, a rubber sleeve A and a rubber sleeve B are fixedly arranged in the water inlet A and the water inlet G respectively, and the ends, facing each other, of the rubber sleeve A and the rubber sleeve B extend into the inner cavity. The utility model has the beneficial effect of having good sealing performance after long-term use, and solves the problems that the elastic sealing ball is attached to the hard shell for sealing, and the sealing mode can generate indentations on the elastic sealing ball after long-term use, so that the sealing performance becomes poor, and the interior of a waterway is not closed.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a plate heat exchanger for a wall-mounted boiler. Background Art

[0002] The wall-mounted boiler, full name "gas wall-mounted heating boiler", is a heating device that can heat bathroom water and provide indoor heating. Since the wall-mounted boiler has two major functions, heating and heating, the wall-mounted boiler has a heating water system and a heating water system. Both the heating water system and the heating water system need to be connected to the plate heat exchanger to achieve water connection and heat exchange.

[0003] Plate heat exchanger is a kind of high-efficiency heat exchanger made of a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. Plate heat exchanger is an ideal equipment for heat exchange between liquid and liquid, liquid and steam. It has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small footprint, wide application and long service life.

[0004] Plate heat exchangers are usually equipped with several shells and joints to build water channels. The shells are equipped with opening and closing parts to switch between water channels. After switching water channels, other water channels need to be sealed. Existing plate heat exchangers usually use elastic sealing balls to fit and seal with harder shells. After long-term use, this sealing method will produce indentations on the elastic sealing balls, which will lead to poor sealing and the problem of the water channel not being sealed. Utility Model Content

[0005] The purpose of the utility model is to provide a plate heat exchanger for a wall-mounted boiler to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plate heat exchanger for a wall-mounted boiler, comprising a heat exchanger body, a left water channel component and a right water channel component arranged on the left and right sides of the heat exchanger body, the heat exchanger body is provided with a left water inlet A and a left water inlet B, a right water inlet A and a right water inlet B, the left water channel component is connected with the left water inlet A and the left water inlet B, the right water channel component is connected with the right water inlet A and the right water inlet B, and the left water channel component comprises a left water channel component fixedly installed above the heat exchanger body ... A block, a motor fixedly installed on the top of the left block, an eccentric shaft rotatably arranged inside the left block, and a hard sphere fixedly arranged on the eccentric shaft. An inner cavity is opened inside the left block, the eccentric shaft is located inside the inner cavity, the motor output shaft is fixedly connected to the eccentric shaft, and water inlet holes A and water inlet holes G are respectively opened on the front and rear side walls of the inner cavity. Rubber sleeves A and rubber sleeves B are respectively fixedly arranged inside the water inlet holes A and water inlet holes G, and the rubber sleeves A and rubber sleeves B extend into the inner cavity at one end toward each other.

[0007] Preferably, a left water hole A and a left water hole B connected with the left water inlet A and the left water inlet B are formed on the bottom wall of the left block, the left water hole A is located in front of the left water hole B, a water inlet hole B connected with the inner cavity is formed on the left side wall of the left block, a water inlet hole C connected with the left water hole A is formed on the front side wall of the left block, the water inlet hole A passes through the front side wall of the left block, and the water inlet hole G is connected with the water inlet hole B.

[0008] Preferably, the left water channel assembly further comprises a one-way valve fixedly mounted inside the left block, wherein the one-way valve is connected to the water inlet hole G and the water inlet hole B.

[0009] Preferably, the right water channel assembly includes a right block fixedly installed above the heat exchanger body, and a flow valve fixedly installed on the rear side of the right block, the bottom wall of the right block is provided with a right water hole A and a right water hole B connected with the right water inlet A and the right water inlet B, the right water hole A is located in front of the right water hole B, the front side wall of the right block is provided with a water inlet D and a water inlet E connected with the right water hole A and the right water hole B respectively, the flow valve is connected with the water inlet E, and the top wall of the right block is provided with a water inlet F connected with the water inlet D.

[0010] Preferably, the right water channel assembly further comprises a water replenishing valve fixedly mounted above the right block, and the water replenishing valve is connected to the water inlet hole D and the water inlet hole E.

[0011] Preferably, the right water channel assembly further comprises an overflow valve fixedly mounted on the rear side of the right block, and the overflow valve is connected to the water inlet hole D and the water inlet hole F.

[0012] Preferably, a water tank hole connected to the water inlet hole D and the water inlet hole F is opened on the right side wall of the right block.

[0013] The beneficial effect of the utility model is that when the utility model needs to open the water circuit for heating (see the water circuit process for the specific water circuit), the motor is started to drive the eccentric shaft to rotate, the eccentric shaft drives the hard ball to rotate, the hard ball is fully fitted with the sealing sleeve B, and the motor is turned off. At this time, hot water can flow from the inner cavity into the water inlet hole A, and then flow into the wall-mounted boiler heating system, completing the opening of the water circuit for heating; when the water circuit for heating needs to be closed, the motor is started to drive the eccentric shaft to rotate, the eccentric shaft drives the hard ball to rotate, the hard ball is fully fitted with the sealing sleeve A, and the motor is turned off. At this time, hot water cannot flow from the inner cavity It flows into the water inlet hole A to complete the closing of the heating water channel; the hard sphere is fitted and connected with the rubber sleeve A and the rubber sleeve B respectively when opening and closing the heating water channel. Even after long-term use, there will be no indentation on the surface of the hard sphere, and it can still have good sealing; in summary, the utility model has the beneficial effect of still having good sealing after long-term use, and solves the problem of the elastic sealing ball and the shell with a harder texture fitting and sealing. After long-term use, this sealing method will produce indentations on the elastic sealing ball, resulting in poor sealing, and the problem of the water channel not being closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a structural schematic diagram of the utility model;

[0015] Attached Figure 2 This is a schematic diagram of the heat exchanger body of the utility model;

[0016] Attached Figure 3 It is a front view of the utility model;

[0017] Attached Figure 4 For attachment Figure 3 Sectional view at AA;

[0018] Attached Figure 5 This is a cross-sectional view of the left water channel component of the utility model;

[0019] Attached Figure 6 It is a cross-sectional view of the right water channel component of the utility model.

[0020] In the figure: heat exchanger body 1, left water inlet A2, left water inlet B3, right water inlet A4, right water inlet B5, left block 6, motor 7, eccentric shaft 8, hard sphere 9, inner cavity 10, water inlet hole A11, water inlet hole G12, rubber sleeve A13, rubber sleeve B14, left water hole A15, left water hole B16, water inlet hole B17, water inlet hole C18, one-way valve 19, right block 20, flow valve 21, right water hole A22, right water hole B23, water inlet hole D24, water inlet hole E25, water inlet hole F26, water supply valve 27, overflow valve 28, water tank hole 29. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] like Figure 1-6 As shown, the utility model discloses a plate heat exchanger for a wall-mounted boiler, comprising a heat exchanger body 1, a left water channel assembly and a right water channel assembly arranged on the left and right sides of the heat exchanger body 1, the heat exchanger body 1 is provided with a left water inlet A2 and a left water inlet B3, a right water inlet A4 and a right water inlet B5, the left water channel assembly is communicated with the left water inlet A2 and the left water inlet B3, the right water channel assembly is communicated with the right water inlet A4 and the right water inlet B5, the left water channel assembly comprises a left block 6 fixedly mounted above the heat exchanger body 1, a motor 7 fixedly mounted above the left block 6, An eccentric shaft 8 is rotatably arranged inside the left block 6, and a hard ball 9 is fixedly arranged on the eccentric shaft 8. An inner cavity 10 is opened inside the left block 6, and the eccentric shaft 8 is located inside the inner cavity 10. The output shaft of the motor 7 is fixedly connected to the eccentric shaft 8. A water inlet hole A11 and a water inlet hole G12 are respectively opened on the front and rear side walls of the inner cavity 10. Rubber sleeves A13 and rubber sleeves B14 are fixedly arranged inside the water inlet holes A11 and G12, respectively. The rubber sleeves A13 and rubber sleeves B14 extend into the inner cavity 10 at one end toward each other. When the utility model needs to open the water circuit for heating (see the water circuit process for the specific water circuit), the motor 7 is started to drive the eccentric shaft 8 to rotate, and the eccentric shaft 8 drives the hard ball 9 to rotate. After the hard ball 9 is fully fitted with the sealing sleeve B, the motor 7 is turned off. At this time, hot water can flow from the inner cavity 10 into the water inlet hole A11, and then flow into the wall-mounted boiler heating system, completing the opening of the heating water circuit; when the heating water circuit needs to be closed, the motor 7 is started to drive the eccentric shaft 8 to rotate, and the eccentric shaft 8 drives the hard ball 9 to rotate. After the hard ball 9 is fully fitted with the sealing sleeve A, the motor 7 is turned off. At this time, hot water cannot flow from the inner cavity 10 into the water inlet hole A11. The water inlet hole A11 completes the closing of the heating water channel; the hard ball 9 is respectively connected with the rubber sleeve A13 and the rubber sleeve B14 when opening and closing the heating water channel. Even after long-term use, there will be no indentation on the surface of the hard ball 9, and it can still have good sealing; in summary, the utility model has the beneficial effect of still having good sealing after long-term use, and solves the problem of the elastic sealing ball and the harder shell being fit and sealed. After long-term use, this sealing method will produce indentations on the elastic sealing ball, resulting in poor sealing and the problem of the water channel not being closed.

[0023] Preferably, the bottom wall of the left block 6 is provided with a left water hole A15 and a left water hole B16 connected with the left water inlet A2 and the left water inlet B3, the left water hole A15 is located in front of the left water hole B16, the left side wall of the left block 6 is provided with a water inlet B17 connected with the inner cavity 10, the front side wall of the left block 6 is provided with a water inlet C18 connected with the left water hole A15, the water inlet A11 penetrates the front side wall of the left block 6, and the water inlet G12 is connected with the water inlet B17. Since the water inlet A11 penetrates the front side wall of the left block 6, it facilitates the flow of hot water to the wall-mounted boiler heating system; since the water inlet G12 is connected with the water inlet B17, it facilitates the flow of hot water to the heat exchanger body 1 for hot water circulation.

[0024] Preferably, the left water circuit assembly further comprises a one-way valve 19 fixedly mounted inside the left block 6, and the one-way valve 19 is connected to the water inlet hole G12 and the water inlet hole B17. Since the one-way valve 19 is connected to the water inlet hole G12 and the water inlet hole B17, when the hard ball 9 is completely fitted with the sealing sleeve B to open the heating water circuit, most of the water will flow into the heating water circuit for heating, and the remaining water will flow into the hot water circulation circuit through the one-way valve 19, which plays a role in realizing double water circuit circulation and avoiding the lack of hot water inside the heat exchanger body 1.

[0025] Preferably, the right water channel assembly includes a right block 20 fixedly mounted above the heat exchanger body 1, and a flow valve 21 fixedly mounted on the rear side of the right block 20. The right block 20 bottom wall is provided with a right water hole A22 and a right water hole B23 connected to the right water inlet A4 and the right water inlet B5. The right water hole A22 is located in front of the right water hole B23. The front side wall of the right block 20 is provided with a water inlet D24 and a water inlet E25 connected to the right water hole A22 and the right water hole B23, respectively. The flow valve 21 is connected to the water inlet E25. The top wall of the right block 20 is provided with a water inlet F26 connected to the water inlet D24. Since the flow valve 21 is connected to the water inlet E25, it plays a role in stabilizing the flow and controlling the flow direction.

[0026] Preferably, the right water channel assembly further includes a water replenishment valve 27 fixedly mounted on the right block 20, and the water replenishment valve 27 is connected to the water inlet hole D24 and the water inlet hole E25. Since the water replenishment valve 27 is connected to the water inlet hole D24 and the water inlet hole E25, opening the water replenishment valve 27 can make the water inlet hole D24 connected to the water inlet hole E25, thereby playing the role of replenishing water when the water flow inside the water channel is insufficient.

[0027] Preferably, the right waterway assembly further comprises an overflow valve 28 fixedly mounted on the rear side of the right block 20, and the overflow valve 28 is connected to the water inlet hole D24 and the water inlet hole F26. Since the overflow valve 28 is connected to the water inlet hole D24 and the water inlet hole F26, it plays a role of overload protection.

[0028] Preferably, a water tank hole 29 connected to the water inlet hole D24 and the water inlet hole F26 is provided on the right side wall of the right block 20. Since the water tank hole 29 connected to the water inlet hole D24 and the water inlet hole F26 is provided on the right side wall of the right block 20, the water tank hole 29 is connected to the external water tank through the water pipe, which plays a role in exhausting the steam inside the water circuit.

[0029] Water path flow of the utility model: When the utility model is used, the water inlet B17 and the water inlet F26 are connected to the wall-mounted boiler heating system with a water pipe to form a hot water circulation water path. After the hot water flows out of the wall-mounted boiler heating system, it flows into the water inlet B17 through the water pipe, flows through the water inlet B17, the inner cavity 10, the water inlet G12, the left water hole B16, and the left water port B3, and then flows out from the right water port A4, flows through the right water port A4, the right water hole A22, the water inlet D24, and the water inlet F26, and then flows back to the wall-mounted boiler heating system through the water pipe to complete the hot water circulation; the water inlet A11 and the water inlet D24 are connected to the wall-mounted boiler heating system with a water pipe to form a heating water path. After the hot water flows out of the wall-mounted boiler heating system, it flows into the water inlet B17 through the water pipe, flows through the water inlet B17, the inner cavity 10, and the water inlet A1 1, and then flows into the wall-mounted boiler heating system through the water pipe (the wall-mounted boiler heating system is connected with water floor heating and other heating equipment), the heating return water flows out of the wall-mounted boiler heating system and then flows into the water inlet hole D24 through the water pipe, flows through the water inlet hole D24 and the water inlet hole F26, and then flows into the wall-mounted boiler heating system through the water pipe, completing the heating water and return water; the water inlet pipe E is connected with the tap water outlet by a water pipe to form a domestic water path, and the cold water flows out of the tap water outlet and then flows into the water inlet hole E25 through the water pipe, flows through the water inlet hole E25, the flow valve 21, the right water hole B23, and the right water outlet B5, and then enters the heat exchanger body 1, the cold water exchanges heat with the hot water inside the heat exchanger body 1 to become hot water, and then flows out from the left water outlet A2, flows through the left water outlet A2, the left water hole A15, and the water inlet hole C18, and then flows out to the outside for users to use, completing the use of domestic water.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 plate heat exchanger for a wall-mounted boiler, comprising a heat exchanger body (1), a left water channel assembly and a right water channel assembly arranged on the left and right sides of the heat exchanger body (1), the heat exchanger body (1) being provided with a left water inlet A (2) and a left water inlet B (3), a right water inlet A (4) and a right water inlet B (5), the left water channel assembly being in communication with the left water inlet A (2) and the left water inlet B (3), the right water channel assembly being in communication with the right water inlet A (4) and the right water inlet B (5), characterized in that: The left water channel assembly comprises a left block (6) fixedly mounted above the heat exchanger body (1), a motor (7) fixedly mounted above the left block (6), an eccentric shaft (8) rotatably mounted inside the left block (6), and a hard ball (9) fixedly mounted on the eccentric shaft (8); an inner cavity (10) is provided inside the left block (6); the eccentric shaft (8) is located inside the inner cavity (10); an output shaft of the motor (7) is fixedly connected to the eccentric shaft (8); a water inlet hole A (11) and a water inlet hole G (12) are respectively provided on the front and rear side walls of the inner cavity (10); a rubber sleeve A (13) and a rubber sleeve B (14) are respectively fixedly mounted inside the water inlet hole A (11) and the water inlet hole G (12); the rubber sleeve A (13) and the rubber sleeve B (14) extend into the inner cavity (10) at one end thereof.

2. The plate heat exchanger for a wall-mounted boiler according to claim 1, characterized in that: The bottom wall of the left block (6) is provided with a left water hole A (15) and a left water hole B (16) which are connected to the left water inlet A (2) and the left water inlet B (3); the left water hole A (15) is located in front of the left water hole B (16); the left side wall of the left block (6) is provided with a water inlet hole B (17) which is connected to the inner cavity (10); the front side wall of the left block (6) is provided with a water inlet hole C (18) which is connected to the left water hole A (15); the water inlet hole A (11) passes through the front side wall of the left block (6); and the water inlet hole G (12) is connected to the water inlet hole B (17).

3. The plate heat exchanger for a wall-mounted boiler according to claim 1, characterized in that: The left water channel assembly further comprises a one-way valve (19) fixedly mounted inside the left block (6), wherein the one-way valve (19) is in communication with the water inlet hole G (12) and the water inlet hole B (17).

4. The plate heat exchanger for a wall-mounted boiler according to claim 1, characterized in that: The right water channel assembly comprises a right block (20) fixedly mounted above the heat exchanger body (1), and a flow valve (21) fixedly mounted on the rear side of the right block (20); a right water hole A (22) and a right water hole B (23) are provided on the bottom wall of the right block (20) and are connected to a right water inlet A (4) and a right water inlet B (5); the right water hole A (22) is located in front of the right water hole B (23); a water inlet D (24) and a water inlet E (25) are provided on the front side wall of the right block (20) and are connected to the right water hole A (22) and the right water hole B (23), respectively; the flow valve (21) is connected to the water inlet E (25); and a water inlet F (26) is provided on the top wall of the right block (20) and is connected to the water inlet D (24).

5. The plate heat exchanger for a wall-mounted boiler according to claim 1, characterized in that: The right water channel assembly further comprises a water replenishment valve (27) fixedly mounted above the right block (20), wherein the water replenishment valve (27) is in communication with the water inlet hole D (24) and the water inlet hole E (25).

6. The plate heat exchanger for a wall-mounted boiler according to claim 1, characterized in that: The right water channel assembly further comprises an overflow valve (28) fixedly mounted on the rear side of the right block (20), wherein the overflow valve (28) is in communication with the water inlet hole D (24) and the water inlet hole F (26).

7. The plate heat exchanger for a wall-mounted boiler according to claim 6, characterized in that: A water tank hole (29) is provided on the right side wall of the right block (20) and is connected to the water inlet hole D (24) and the water inlet hole F (26).

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