Cooling water tank for water pump shaft seal

Abstract

The utility model discloses a cooling water tank for a water pump shaft seal. The cooling water tank comprises a heat conduction base and a cooling water tank body arranged on the heat conduction base. The heat conduction base comprises a plate-shaped main body, a plurality of connecting holes are formed in the plate-shaped main body, the plate-shaped main body is installed at the shaft seal position of the water pump through the connecting holes, and the bottom face of the plate-shaped main body is a heat conduction face used for transferring heat of the shaft seal of the water pump to a cooling water tank. The cooling water tank comprises a water tank body, a cavity is formed in the water tank body, a water inlet hole and a water outlet hole which are connected with the cavity are formed in the lower portion and the upper portion of the water tank body respectively, and cooling water enters the cavity through the water inlet hole to complete heat exchange and then flows out through the water outlet hole. The heat conduction base is fixedly connected with the water pump shaft seal, heat of the water pump shaft seal is transmitted to the cavity in the water tank body through the heat conduction face of the heat conduction base, cooling water passes through the water inlet hole, completes heat exchange through the cavity and then flows out of the water outlet hole, and therefore rapid cooling is achieved.

Description

Technical Field

[0001] The utility model relates to the field of water pump cooling devices, in particular to a cooling water box used for a water pump shaft seal. Background Art

[0002] The water pump shaft seal is an important sealing device used to prevent fluid leakage caused by the pressure difference between the fluid in the pump and the atmosphere outside the pump. The water pump shaft seal consists of a shaft sleeve, a stuffing box, a stuffing, a water seal, etc. The shaft sleeve is used to protect the shaft, prevent the liquid from corroding the shaft, and prevent direct friction between the shaft and the stuffing. The stuffing box and the stuffing play the role of isolating the inside and outside of the pump casing to reduce leakage. The water seal adds a water seal ring to the seasoning culvert. When working, a water ring is formed at the small holes and grooves around the water seal ring, thereby preventing air from leaking into the pump, playing the role of lubricating and cooling the stuffing and shaft sleeve, and preventing a large amount of wear on the stuffing and shaft sleeve.

[0003] For example, the patent document with patent number 201510366699.8 discloses an energy-saving centrifugal water pump, including a magnetic motor, a pump body and a connecting assembly. A transmission shaft is arranged at the center of the pump body, and the transmission shaft is connected to the magnetic motor through the connecting assembly. The transmission shaft drives the magnetic motor to rotate. A shaft sealing device is arranged on the contact surface between the transmission shaft and the pump body. The pump body has a hollow inner cavity, and an impeller and an impeller shaft passing through the impeller shaft hole are arranged in the hollow inner cavity. A cutting blade is detachably arranged on the edge of the impeller. A water inlet and a water outlet are arranged on the pump body. The water inlet and the water outlet are arranged on the same surface of the pump body. A first flange and a second flange for connecting a water pipe are respectively arranged at the water inlet and the water outlet.

[0004] The above technical solution sets the cutting blade on the impeller, which greatly reduces the loss of water resources compared with the traditional setting of the cutting blade and the impeller separately, and thus has the effect of energy saving. However, when the water pump starts and operates normally, the friction of the contact surface of the shaft seal dynamic / static ring will cause the temperature to rise rapidly, burning the rubber parts in the shaft seal, thereby affecting the sealing performance of the shaft seal and causing water leakage.

[0005] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The utility model aims to provide a cooling water box for a water pump shaft seal to solve the problems existing in the prior art.

[0007] The above technical objectives of the utility model are achieved through the following technical solutions:

[0008] A cooling water tank for a water pump shaft seal, comprising a heat-conducting base and a cooling water tank arranged on the heat-conducting base;

[0009] The heat-conducting base comprises a plate-shaped body, a plurality of connecting holes are opened on the plate-shaped body and the base is installed at the shaft seal position of the water pump through the connecting holes, and the bottom surface of the plate-shaped body is a heat-conducting surface, which is used to transfer the heat of the water pump shaft seal to the cooling water tank;

[0010] The cooling water tank comprises a water tank body, a cavity is arranged inside the water tank body, a water inlet hole and a water outlet hole connected to the cavity are arranged below and above the water tank body respectively, cooling water enters the cavity through the water inlet hole to complete heat exchange and then flows out from the water outlet hole.

[0011] Furthermore, the plurality of connection holes are respectively opened at four corners of the plate-like body.

[0012] Furthermore, a first mounting groove and a second mounting groove are provided along the outer surface of the water tank body, the first mounting groove is used for setting an observation window, and the second mounting groove is used for installing a liquid level sensor.

[0013] Furthermore, a liquid level overflow hole is provided above the water outlet hole.

[0014] In summary, the utility model has the following beneficial effects:

[0015] The cooling water tank is connected and fixed to the water pump shaft seal through a heat-conducting base. The heat of the water pump shaft seal is transferred to the cavity inside the water tank body through the heat-conducting surface of the heat-conducting base. The cooling water passes through the cavity through the water inlet hole to complete the heat exchange and then flows out from the water outlet hole, thereby achieving rapid cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a stereoscopic diagram of a cooling water box for a water pump shaft seal according to the utility model.

[0017] Figure 2 It is an internal schematic diagram of a cooling water box for a water pump shaft seal according to the utility model.

[0018] Figure 3 It is a cross-sectional view of a cooling water box for a water pump shaft seal according to the utility model. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with illustrations and specific embodiments.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model proposes a cooling water tank for a water pump shaft seal, comprising a heat-conducting base 1 and a cooling water tank 2 arranged on the heat-conducting base 1;

[0021] The heat-conducting base 1 comprises a plate-shaped body 11, on which a plurality of connecting holes 12 are opened and the base 1 is installed at the shaft seal position of the water pump through the connecting holes 12. The bottom surface of the plate-shaped body 11 is a heat-conducting surface, which is used to transfer the heat of the water pump shaft seal to the cooling water tank 2;

[0022] The cooling water tank 2 includes a water tank body 21, a cavity is provided inside the water tank body 21, and a water inlet 22 and a water outlet 23 connected to the cavity are provided below and above the water tank body 21, respectively. Cooling water enters the cavity through the water inlet 22 to complete heat exchange and then flows out from the water outlet 23.

[0023] The plurality of connection holes 12 are respectively opened at four corners of the plate-shaped body 11 .

[0024] A first mounting groove 24 and a second mounting groove 25 are provided along the outer surface of the water tank body 21 . The first mounting groove 24 is used to set an observation window, and the second mounting groove 25 is used to install a liquid level sensor.

[0025] A liquid level overflow hole 26 is provided above the water outlet hole 23 .

[0026] The working principle of the utility model is as follows:

[0027] During use, the heat of the water pump shaft seal is transferred to the cavity inside the water tank body 21 through the heat-conducting surface of the plate-shaped body 11, and the cooling water passes through the water inlet hole through the cavity to complete the heat exchange and then flows out from the water outlet hole 23;

[0028] The observation window installed in the first installation groove can be used to manually observe the water level inside the water tank body 21, and the liquid level sensor installed in the second installation groove can be used to automatically detect the water level inside the water tank body 21. When the water level is too high, the cooling water can flow out through the liquid level overflow hole.

[0029] In this document, the directions or positional relationships indicated by terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "vertical", and "horizontal" are based on the directions or positional relationships shown in the accompanying drawings and are only for the clarity of the technical solution and the convenience of description. Therefore, they should not be understood as limitations on the present invention.

[0030] In this document, the terms "comprises," "comprising," or any other variations thereof, are intended to cover a non-exclusive inclusion of elements other than those listed and may also include additional elements not expressly listed.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cooling water tank for a water pump shaft seal, comprising a heat-conducting base (1), and a cooling water tank (2) arranged on the heat-conducting base (1), characterized in that: The heat-conducting base (1) comprises a plate-shaped body (11), a plurality of connection holes (12) are formed on the plate-shaped body (11) and the base is installed at the shaft seal position of the water pump through the connection holes (12), and the bottom surface of the plate-shaped body (11) is a heat-conducting surface, which is used to transfer the heat of the water pump shaft seal to the cooling water tank (2); The cooling water tank (2) comprises a water tank body (21), a cavity is provided inside the water tank body (21), and a water inlet (22) and a water outlet (23) connected to the cavity are provided below and above the water tank body (21), respectively. Cooling water enters the cavity through the water inlet (22) to complete heat exchange and then flows out through the water outlet (23).

2. A cooling water tank for a water pump shaft seal according to claim 1, characterized in that: The plurality of connection holes (12) are respectively arranged at four corners of the plate-shaped body (11).

3. A cooling water tank for a water pump shaft seal according to claim 1, characterized in that: A first mounting groove (24) and a second mounting groove (25) are provided along the outer surface of the water tank body (21); the first mounting groove (24) is used to set an observation window, and the second mounting groove (25) is used to install a liquid level sensor.

4. A cooling water tank for a water pump shaft seal according to claim 1, characterized in that: A liquid level overflow hole (26) is provided above the water outlet hole (23).

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