Pump head structure used in water pump product in matched mode
A pump head and product technology, which is applied to parts, pumps, and pump components of elastic fluid pumping devices, can solve problems such as low connection accuracy, leakage, and affecting work efficiency, and achieve high-strength pump body connections , Easy to use and install, reasonable structure
Inactive Publication Date: 2015-05-13
HUZHOU NANFENG MACHINERY MFG
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Problems solved by technology
The existing pump head structure is relatively simple, the connection accuracy is not high, and it is easy to leak and affect the work efficiency.
Method used
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[0012] The present invention will be described in detail below in conjunction with accompanying drawing: Figure 1-4 As shown, a pump head structure used in water pump products includes an end cover type pump head body 1, and a square connecting flange 2 is connected to the open periphery of the front face of the pump head body 1. , and the four corners of the connecting flange 2 are provided with connecting holes 3; the rear end of the pump head body 1 is provided with a pump shaft hole 5 on the edge sealing 4, and the outer wall is sealed around the pump shaft hole 5 At least three evenly distributed bosses 6 or raised platforms are arranged on the surface, and mounting counter holes 7 of the sealing mechanism are arranged on the faces of the raised posts 6 or raised platforms.
[0013] As shown in the figure, an annular notch groove 8 for installation and fitting is opened on the inner edge of the opening of the pump head body 1, and a circumferential sealing groove 9 is op...
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A pump head structure used in a water pump product in a matched mode comprises an end cap type pump head body, a square connection flange is connected with the periphery of an opening in the front end face of the pump head body, and the four corners of the connection flange are provided with connection holes; a pump shaft hole is formed in the sealed edge of the rear end of the pump head body, at least three evenly distributed protruding columns or protruding platforms are arranged on the outer wall of the sealed edge of the periphery of the pump shaft hole, and installing counter bores used for arranging a sealing mechanism are formed in the faces of the protruding columns or the protruding platforms; the edge of the inner side edge of the opening of the pump head body is provided with an annular notch groove used for installation and embedment, and a circumferential sealing groove is formed in the bottom face of the notch groove; the outer side of the sealed edge of the pump head body is provided with four symmetrically and evenly distributed protruding columns or protruding platforms, a convex ring is arranged on the peripheries of the protruding columns or the protruding platforms, and the convex ring is provided with four evenly distributed counter bores used for installation corresponding to the directions of the installation counter bores formed in the four protruding columns or the protruding platforms. The pump head structure has the advantages that the structure is simple and compact and convenient to use and install, high-precision and high-strength pump body connection can be achieved, and influences on work efficiency are reduced.
Description
technical field [0001] The invention relates to a pump head structure matched with water pump products, belonging to the technical field of water pumps. Background technique [0002] The pump head structure of the water pump is mainly connected to the pump body for the pump shaft to penetrate and seal. It not only requires high connection precision, but also has a certain connection strength. The structure of the existing pump head is relatively simple, the connection precision is not high, leakage is easy to occur, and work efficiency is affected. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the existing technology, and provide a reasonable and compact structure, easy to use and install, can realize high-precision, high-strength pump body connection, and reduce the impact on work efficiency for water pump products The structure of the pump head in. [0004] The object of the present invention is achieved thro...
Claims
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IPC IPC(8): F04D29/40
Inventor 黄德海胡新明
Owner HUZHOU NANFENG MACHINERY MFG