Hot water circulating pump convenient to maintain

Abstract

The hot water circulating pump convenient to maintain comprises a bottom plate, lifting structures are arranged on the two sides of the top end of the bottom plate, a bearing plate is arranged at the top ends of the two lifting structures, a bearing frame is installed in the center of the top end of the bearing plate, a rotary driving piece is arranged at the top end of the bearing frame, and an annular positioning seat is arranged at one end of the rotary driving piece. A circulating pump body is installed at the end, away from the rotary driving part, of the annular positioning seat, a liquid inlet pipe opening is formed in the end, away from the annular positioning seat, of the circulating pump body, a liquid outlet pipe opening is formed in the outer wall of the lower end of the circulating pump body, and pipe clamp structures are arranged at the ends, away from the circulating pump body, of the liquid outlet pipe opening and the liquid inlet pipe opening; locking nuts are arranged on the outer wall of the annular positioning base at equal intervals. According to the hot water circulating pump, the convenience in maintenance of the hot water circulating pump is improved, the application range of the hot water circulating pump is widened, and the phenomenon that liquid leaks when the hot water circulating pump is used is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hot water circulation pumps, in particular to a hot water circulation pump which is easy to maintain. Background Art

[0002] The working principle of the hot water circulation pump is based on the principle of centrifugal force and kinetic energy conversion. It is a water pump specially used for hot water circulation. It can transport hot water from the heat source to various water use points, and return the hot water to the heat source for reheating after use, thus forming a closed-loop hot water circulation system.

[0003] Reference announcement number CN203500036U is a high-efficiency hot water circulation pump, in which a motor chamber and an impeller chamber are provided in the pump body of the hot water circulation pump, and the central shaft in the motor chamber extends into the impeller chamber and is connected to the impeller; a rotor is provided on the central shaft in the motor chamber, and a stator is provided on the outside of the rotor, and a first bearing and a second bearing for fixing the central shaft are respectively provided on the central shaft at the upper and lower ends of the rotor, and the second bearing is fixed to the lower end of the pump body through a bearing seat; a sealing sleeve for water isolation is provided on the outside of the central shaft at the connection between the motor chamber and the impeller chamber; a first cooling zone for cooling the motor is provided on the central shaft between the sealing sleeve and the first bearing, and a second cooling zone is provided on the outside of the stator. This hot water circulation pump can efficiently cool the motor and effectively isolate water and heat, can improve the service life and work efficiency of the hot water circulation pump, and improve the stability of the heating system. As can be seen from the above, although the hot water circulation pump can be well applied, it is usually not convenient to disassemble the various components of the hot water pump body, and thus it is not easy to inspect and maintain the hot water circulation pump, which often troubles users. Utility Model Content

[0004] The purpose of the present invention is to provide a hot water circulation pump that is easy to maintain, so as to solve the problem in the above background technology that although the hot water circulation pump can be well applied, it is usually not convenient to disassemble the various components of the hot water circulation pump body, and thus it is not easy to inspect and maintain the hot water circulation pump.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a hot water circulation pump that is easy to maintain, comprising a base plate, both sides of the top of the base plate are provided with a lifting structure, the top of the two lifting structures are provided with a bearing plate, and the center position of the top of the bearing plate is installed with a bearing frame, the top of the bearing frame is provided with a rotating drive member, one end of the rotating drive member is provided with an annular positioning seat, and the end of the annular positioning seat away from the rotating drive member is installed with a circulation pump body, and the end of the circulation pump body away from the annular positioning seat is provided with a liquid inlet, and the outer wall of the lower end of the circulation pump body is provided with a liquid outlet, and the liquid outlet and the end of the liquid inlet away from the circulation pump body are both provided with a pipe clamp structure, and the outer wall of the annular positioning seat is provided with equally spaced locking nuts, and pin barrels are provided on the outer wall of the circulation pump body at the position of the locking nut, and a locking bolt is installed at the end of the pin barrel away from the locking nut, and one end of the locking bolt passes through the pin barrel and is threadedly connected to the locking nut.

[0006] Preferably, the lifting structure includes an L-shaped base and a strip groove. The top of the bottom plate on both sides of the supporting plate is provided with an L-shaped base, and the inside of the L-shaped base is provided with a strip groove. Both ends of the strip groove extend to the outside of the L-shaped base. The strip groove is set to limit the movement range of the nut pair.

[0007] Preferably, the lifting structure includes a placement seat, a rotary handle and a screw rod. The placement seat is fixed on the outer wall of the upper end of the L-shaped base. The inside of the placement seat is movably connected to the screw rod. The bottom end of the screw rod extends to the outside of the placement seat and is rotatably connected to the bottom of the L-shaped base. The top end of the screw rod extends to the outside of the placement seat and is installed with a rotary handle. By rotating the rotary handle, the screw rod can be driven to rotate.

[0008] Preferably, the lifting structure includes a nut pair and an L-shaped frame. The nut pair is threadedly installed on the outer wall of the upper end of the screw rod. One end of the nut pair passes through the strip groove and is provided with an L-shaped frame. The top end of the L-shaped frame is connected to the bottom end of the supporting plate. The nut pair is located on the outer wall of the screw rod for sliding, so that the supporting plate can be driven to be lifted and lowered through the L-shaped frame.

[0009] Preferably, the pipe clamp structure includes a pipe clamp body and a fixing nut. The pipe clamp body is installed at one end of the liquid inlet and outlet. A fixing nut is provided on the outer wall of one side of the pipe clamp body. The setting of the pipe clamp body allows the rubber sealing ring to be placed.

[0010] Preferably, the pipe clamp structure includes a tightening bolt and a rubber sealing ring. The rubber sealing ring is installed on the inner wall of the pipe clamp body, and a tightening bolt is installed on the outer wall of the pipe clamp body away from the tightening nut. One end of the tightening bolt passes through the pipe clamp body and is threadedly connected to the tightening nut. The rubber sealing ring is provided to seal the connection area between the liquid outlet and the liquid inlet and the external pipeline.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the hot water circulation pump that is easy to maintain not only improves the convenience of hot water circulation pump maintenance, but also expands the scope of application of the hot water circulation pump, and reduces the phenomenon of liquid leakage when the hot water circulation pump is used;

[0012] (1) By screwing the locking bolt so that it rotates inside the pin barrel and screwing one end of the locking bolt out to the outside of the locking nut, the circulating pump body can be disassembled from the outer wall of the annular positioning seat, thereby improving the convenience of hot water circulating pump maintenance;

[0013] (2) By rotating the handle, the screw rod is driven to rotate, and the movement range of the nut pair is limited by the strip groove, so that the nut pair slides on the outer wall of the screw rod, so that the nut pair drives the load-bearing plate to move up and down through the L-shaped frame. The height of the rotating drive member can be adjusted as needed according to the use requirements, thereby improving the application range of the hot water circulation pump;

[0014] (3) By installing and connecting the external pipeline to the liquid outlet and the liquid inlet, and then tightening the fixing bolt so that one end of the fixing bolt passes through the pipe clamp body and is screwed into the inside of the fixing nut, the pipe clamp body can be installed at the connection position of the liquid outlet and the liquid inlet and the external pipeline, so that the connection area of ​​the liquid outlet and the liquid inlet and the external pipeline is sealed by the rubber sealing ring, thereby reducing the phenomenon of liquid leakage when the hot water circulation pump is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view of the circulating pump body of the utility model;

[0017] Figure 3 This is an enlarged structural diagram of the lifting structure of the utility model;

[0018] Figure 4 It is an enlarged structural diagram of the pipe clamp structure of the utility model.

[0019] In the figure: 1. Bottom plate; 2. Lifting structure; 201. L-shaped base; 202. Strip groove; 203. Part holder; 204. Rotary handle; 205. Screw rod; 206. Nut pair; 207. L-shaped frame; 3. Loading plate; 4. Loading frame; 5. Rotary drive member; 6. Circulating pump body; 7. Liquid inlet; 8. Liquid outlet; 9. Pipe clamp structure; 901. Pipe clamp body; 902. Locking nut; 903. Locking bolt; 904. Rubber sealing ring; 10. Annular positioning seat; 11. Locking nut; 12. Pin barrel; 13. Locking bolt. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides an embodiment of a hot water circulation pump that is easy to maintain, including a base plate 1, a lifting structure 2 is provided on both sides of the top of the base plate 1, the lifting structure 2 includes an L-shaped base 201 and a strip groove 202, and the top of the base plate 1 on both sides of the supporting plate 3 is provided with an L-shaped base 201, the interior of the L-shaped base 201 is provided with a strip groove 202, and both ends of the strip groove 202 extend to the outside of the L-shaped base 201;

[0022] When in use, the strip groove 202 is provided to limit the movement range of the nut pair 206;

[0023] The lifting mechanism 2 includes a mounting base 203, a rotary handle 204, and a screw rod 205. The mounting base 203 is fixed to the outer wall of the upper end of the L-shaped base 201. The screw rod 205 is movably connected to the interior of the mounting base 203. The bottom end of the screw rod 205 extends to the outside of the mounting base 203 and is rotatably connected to the bottom of the L-shaped base 201. The top end of the screw rod 205 extends to the outside of the mounting base 203 and is mounted with the rotary handle 204.

[0024] When in use, the handle 204 is rotated to drive the screw rod 205 to rotate;

[0025] The lifting structure 2 includes a nut pair 206 and an L-shaped frame 207. The nut pair 206 is threadedly mounted on the outer wall of the upper end of the screw rod 205. One end of the nut pair 206 passes through the strip groove 202 and is provided with the L-shaped frame 207. The top end of the L-shaped frame 207 is connected to the bottom end of the supporting plate 3.

[0026] When in use, the nut pair 206 slides on the outer wall of the screw rod 205 so as to drive the carrying plate 3 to move up and down through the L-shaped frame 207;

[0027] A carrying plate 3 is provided at the top of the two lifting structures 2, and a carrying frame 4 is installed at the center position of the top of the carrying plate 3. A rotating driving member 5 is provided at the top of the carrying frame 4, and an annular positioning seat 10 is provided at one end of the rotating driving member 5. A circulating pump body 6 is installed at the end of the annular positioning seat 10 away from the rotating driving member 5, and a liquid inlet pipe port 7 is provided at the end of the circulating pump body 6 away from the annular positioning seat 10. A liquid outlet pipe port 8 is provided on the outer wall of the lower end of the circulating pump body 6, and the liquid outlet pipe port 8 and the end of the liquid inlet pipe port 7 away from the circulating pump body 6 are both provided with a pipe clamp structure 9, and the pipe clamp structure 9 includes a pipe clamp body 901 and a fixing nut 902. The pipe clamp body 901 is installed at one end of the liquid inlet pipe port 7 and the liquid outlet pipe port 8, and a fixing nut 902 is provided on the outer wall of one side of the pipe clamp body 901;

[0028] When in use, the pipe clamp body 901 is arranged so as to place the rubber sealing ring 904;

[0029] The pipe clamp structure 9 includes a set bolt 903 and a rubber sealing ring 904. The rubber sealing ring 904 is mounted on the inner wall of the pipe clamp body 901. The set bolt 903 is mounted on the outer wall of the pipe clamp body 901 away from the set nut 902. One end of the set bolt 903 passes through the pipe clamp body 901 and is threadedly connected to the set nut 902.

[0030] When in use, the rubber sealing ring 904 is provided to seal the connection area between the liquid outlet 8 and the liquid inlet 7 and the external pipeline;

[0031] The outer wall of the annular positioning seat 10 is provided with locking nuts 11 at equal intervals, and the outer wall of the circulating pump body 6 at the position of the locking nuts 11 is provided with pin barrels 12. A locking bolt 13 is installed at the end of the pin barrel 12 away from the locking nut 11, and one end of the locking bolt 13 passes through the pin barrel 12 and is threadedly connected to the locking nut 11.

[0032] When the embodiment of the present application is in use, first, by turning the handle 204, it drives the screw rod 205 to rotate, and after the movement range of the nut pair 206 is limited by the strip groove 202, the nut pair 206 is located on the outer wall of the screw rod 205 to slide, so that the nut pair 206 drives the supporting plate 3 to rise and fall through the L-shaped frame 207, and the height of the rotating drive member 5 and other related components can be adjusted as needed to improve the use range of the hot water circulation pump, and then the external pipe is installed and connected to the liquid outlet pipe port 8 and the liquid inlet pipe port 7, and then the tightening bolt 903 is tightened so that one end of the tightening bolt 903 passes through the pipe clamp body 901 and is screwed in. Once inside the locking nut 902, the pipe clamp body 901 can be installed at the connection position between the liquid outlet pipe port 8, the liquid inlet pipe port 7 and the external pipeline, so that the rubber sealing ring 904 can seal the connection area between the liquid outlet pipe port 8, the liquid inlet pipe port 7 and the external pipeline, thereby ensuring the sealing of the hot water circulation pump. Finally, by twisting the locking bolt 13, it can be rotated inside the pin barrel 12, and one end of the locking bolt 13 can be screwed out to the outside of the locking nut 11 to separate the circulating pump body 6 from the outer wall of the annular positioning seat 10, and the pump body part of the hot water circulation pump can be disassembled and maintained, thereby completing the use of the hot water circulation pump.

Claims

1. A hot water circulation pump that is easy to maintain, characterized by: The invention comprises a bottom plate (1), both sides of the top of the bottom plate (1) are provided with lifting structures (2), the tops of the two lifting structures (2) are provided with supporting plates (3), a supporting frame (4) is installed at the center position of the top of the supporting plate (3), the top of the supporting frame (4) is provided with a rotating driving member (5), one end of the rotating driving member (5) is provided with an annular positioning seat (10), a circulating pump body (6) is installed at the end of the annular positioning seat (10) away from the rotating driving member (5), and a liquid inlet pipe (7) is provided at the end of the circulating pump body (6) away from the annular positioning seat (10), A liquid outlet (8) is provided on the outer wall of the lower end of the circulation pump body (6); the liquid outlet (8) and the liquid inlet (7) are both provided with a pipe clamp structure (9) at one end away from the circulation pump body (6); locking nuts (11) are provided at equal intervals on the outer wall of the annular positioning seat (10); a pin barrel (12) is provided on the outer wall of the circulation pump body (6) at the position of the locking nut (11); a locking bolt (13) is installed at one end of the pin barrel (12) away from the locking nut (11); one end of the locking bolt (13) passes through the pin barrel (12) and is threadedly connected to the locking nut (11).

2. A hot water circulation pump that is easy to maintain according to claim 1, characterized in that: The lifting structure (2) includes an L-shaped base (201) and a strip groove (202); the tops of the bottom plates (1) on both sides of the supporting plate (3) are both provided with L-shaped bases (201); the interior of the L-shaped base (201) is provided with a strip groove (202); both ends of the strip groove (202) extend to the outside of the L-shaped base (201).

3. The hot water circulation pump easy to maintain according to claim 2, characterized in that: The lifting structure (2) comprises a component placement seat (203), a rotary handle (204) and a screw rod (205); the component placement seat (203) is fixed on the outer wall of the upper end of the L-shaped base (201); the screw rod (205) is movably connected inside the component placement seat (203); the bottom end of the screw rod (205) extends to the outside of the component placement seat (203) and is rotatably connected to the bottom of the L-shaped base (201); the top end of the screw rod (205) extends to the outside of the component placement seat (203) and is installed with the rotary handle (204).

4. The hot water circulation pump easy to maintain according to claim 3, characterized in that: The lifting structure (2) includes a nut pair (206) and an L-shaped frame (207). The nut pair (206) is threadedly mounted on the outer wall of the upper end of the screw rod (205). One end of the nut pair (206) passes through the strip groove (202) and is provided with an L-shaped frame (207). The top end of the L-shaped frame (207) is connected to the bottom end of the supporting plate (3).

5. The hot water circulation pump easy to maintain according to claim 1, characterized in that: The pipe clamp structure (9) includes a pipe clamp body (901) and a fixing nut (902). One end of the liquid inlet (7) and the liquid outlet (8) are both installed with the pipe clamp body (901). The outer wall of one side of the pipe clamp body (901) is provided with a fixing nut (902).

6. The hot water circulation pump easy to maintain according to claim 5, characterized in that: The pipe clamp structure (9) includes a fixing bolt (903) and a rubber sealing ring (904). The rubber sealing ring (904) is installed on the inner wall of the pipe clamp body (901). A fixing bolt (903) is installed on the outer wall of the pipe clamp body (901) away from the fixing nut (902). One end of the fixing bolt (903) passes through the pipe clamp body (901) and is threadedly connected to the fixing nut (902).

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