Water-free protection structure for deep-well pump

Abstract

The utility model provides a water-free protection structure for a deep-well pump, which comprises a mounting frame, and an insulating column is fixedly mounted in the mounting frame; a connecting electrode is embedded in one side of the middle end of the bottom of the insulating column, and an auxiliary electrode is embedded in the other side of the middle end of the bottom of the insulating column; the outer part of the mounting frame is rotationally sleeved with a protective sleeve; a connecting gear is mounted at one end of the protective sleeve; the connecting gear is in meshing transmission with a transmission mechanism, and the transmission mechanism is connected with a power mechanism used for providing power. The protection structure can drive the protection sleeve to rotate through transmission of the structure, when the protection structure is not used, the protection sleeve completely covers the connection electrode and the auxiliary electrode on the insulation column, shielding protection is conducted on the connection electrode and the auxiliary electrode, and the connection electrode and the auxiliary electrode are prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of deep well pumps, in particular to a waterless protection structure for a deep well pump. Background Art

[0002] A deep well pump is a pump that is immersed in a groundwater well to pump and deliver water. In order to prevent the deep well pump from pumping dry, a waterless protection structure is installed inside the deep well pump, which can give a timely warning when no water is found. For example, a Chinese patent document with publication number: CN108317074A discloses a waterless protection circuit for a water pump. However, in the above technical solution, the reed switch assembly is completely exposed in the water, and the reed switch, spring and magnetic block therein lack protection and are easily corroded by water or damaged by water flow impact, which will affect the long-term operation of the reed switch assembly. Utility Model Content

[0003] In order to solve the current technical problems, the main purpose of the utility model is to provide a waterless protection structure for a deep well pump. This protection structure can drive the protective cover to rotate through the transmission of the structure. When not in use, the protective cover completely covers the connecting electrode and the auxiliary electrode on the insulating column, shielding and protecting the connecting electrode and the auxiliary electrode to avoid damage to the connecting electrode and the auxiliary electrode.

[0004] In order to realize the above-mentioned technical features, the purpose of the utility model is achieved as follows: a waterless protection structure for a deep well pump, comprising a mounting frame, an insulating column is fixedly installed inside the mounting frame; a connecting electrode is embedded in one side of the middle end of the bottom of the insulating column, and an auxiliary electrode is embedded in the other side of the middle end of the bottom of the insulating column; a protective sleeve is provided on the outer rotating sleeve of the mounting frame; a connecting gear is installed at one end of the protective sleeve; the connecting gear is meshed with a transmission mechanism for transmission, and the transmission mechanism is connected to a power mechanism for providing power.

[0005] The insulating column is fixed inside the mounting frame by bolts.

[0006] The bottom of the protective cover is processed with a water outlet, and the connecting electrode and the auxiliary electrode are both located at the position of the water outlet of the protective cover.

[0007] Wires are welded to the rear sides of the connecting electrode and the auxiliary electrode, and the wires extend to the outside of the mounting frame.

[0008] The protective sleeve is rotatably mounted on the outside of the insulating column through a bearing.

[0009] The connecting gear is matched with the protective sleeve through a key and is used for transmitting torque.

[0010] The power mechanism comprises an electric telescopic rod, the output end of which is hinged with a transmission frame, the other end of which is eccentrically hingedly connected to a large bevel gear, which is rotatably mounted on a mounting frame and is connected in cooperation with the transmission mechanism.

[0011] The transmission mechanism includes a small bevel gear, which forms a bevel gear meshing transmission with a large bevel gear. The axis of the small bevel gear is keyed to the right end of the rotating shaft, the surface of the rotating shaft is rotatably sleeved with the hole of the mounting frame, the left end of the rotating shaft extends to the top of the insulating column and is keyed to the axis of the transmission gear, and the transmission gear meshes with the connecting gear for transmission.

[0012] The mounting frame is provided with a transmission space on the outer side close to the rotating shaft, and the power mechanism is arranged inside the transmission space as a whole; and the bottom end inside the transmission space is connected with the housing of the electric telescopic rod by bolts.

[0013] The rotating shaft is rotatably mounted on the hole of the mounting frame through a bearing.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model can drive the protective cover to rotate through the transmission of the structure. When not in use, the protective cover completely covers the connecting electrode and the auxiliary electrode on the insulating column, shields and protects the connecting electrode and the auxiliary electrode, and avoids damage to the connecting electrode and the auxiliary electrode.

[0016] 2. The power mechanism of the utility model can drive the rotating shaft to rotate through the small bevel gear, the rotating shaft can drive the connecting gear to rotate through the transmission gear, and the connecting gear can cover the connecting electrode and the auxiliary electrode through the protective cover.

[0017] 3. The electric telescopic rod of the utility model can drive the large bevel gear to rotate through the transmission frame, and the large bevel gear can drive the small bevel gear to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is the front view of the utility model.

[0020] Figure 2 It is a schematic diagram of the power mechanism of the utility model.

[0021] Figure 3 It is a rear view of the utility model.

[0022] Figure 4 It is a three-dimensional diagram of the insulating column of the utility model.

[0023] In the figure: 1. mounting frame; 2. insulating column; 3. connecting electrode; 4. auxiliary electrode; 5. protective cover; 6. electric telescopic rod; 7. transmission frame; 8. large bevel gear; 9. small bevel gear; 10. rotating shaft; 11. transmission gear; 12. connecting gear. DETAILED DESCRIPTION

[0024] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0025] Embodiment 1:

[0026] Reference Figure 1-Figure 4 , a waterless protection structure for a deep well pump, comprising a mounting frame 1;

[0027] An insulating column 2, the insulating column 2 is bolted to the inner side of the mounting frame 1;

[0028] A connecting electrode 3, which is embedded in the left side of the middle end of the bottom of the insulating column 2;

[0029] Auxiliary electrode 4, the auxiliary electrode 4 is embedded in the right side of the middle end of the bottom of the insulating column 2;

[0030] The protective sleeve 5 is rotatably sleeved on the surface of the insulating column 2;

[0031] A connecting gear 12, the connecting gear 12 is key-connected to the right end of the surface of the protective cover 5;

[0032] The transmission mechanism includes a small bevel gear 9, a rotating shaft 10 and a transmission gear 11. The axis of the small bevel gear 9 is keyed to the right end of the rotating shaft 10. The surface of the rotating shaft 10 is rotatably sleeved with the hole of the mounting frame 1. The left end of the rotating shaft 10 extends to the top of the insulating column 2 and is keyed to the axis of the transmission gear 11. The teeth of the transmission gear 11 are meshed with the teeth of the connecting gear 12.

[0033] The power mechanism is meshed with the small bevel gear 9, and the power mechanism is used to drive the small bevel gear 9 to rotate.

[0034] By adopting the above-mentioned specific protection structure: the protection cover 5 can be driven to rotate through the transmission of the structure. When not in use, the protection cover 5 completely covers the connecting electrode 3 and the auxiliary electrode 4 on the insulating column 2, shielding and protecting the connecting electrode 3 and the auxiliary electrode 4 to avoid damage to the connecting electrode 3 and the auxiliary electrode 4.

[0035] See also Figure 2Further, the power mechanism includes an electric telescopic rod 6, a transmission frame 7 and a large bevel gear 8. The output end of the electric telescopic rod 6 is hinged to the bottom end of the transmission frame 7, the transmission frame 7 is hinged to the large bevel gear 8, the teeth of the large bevel gear 8 are meshed with the teeth of the small bevel gear 9, and when the power of the electric telescopic rod 6 is turned on, the electric telescopic rod 6 can retract downward, and the electric telescopic rod 6 can drive the transmission frame 7 to move downward. There is an eccentric structure between the top of the transmission frame 7 and the surface of the large bevel gear 8, and the transmission frame 7 can drive the large bevel gear 8 to rotate clockwise, and the large bevel gear 8 can drive the small bevel gear 9 to rotate.

[0036] See also Figure 1 Furthermore, a transmission space is opened on the right side inside the mounting frame 1, and the bottom end of the transmission space is connected to the surface bolts of the electric telescopic rod 6. The electric telescopic rod 6 is fixed by the mounting frame 1 to ensure the smooth operation of the electric telescopic rod 6 and facilitate the electric telescopic rod 6 to drive the transmission frame 7.

[0037] See also Figure 1 Furthermore, the axis of the large bevel gear 8 is connected to the internal rotation of the transmission space, the top of the transmission frame 7 is hinged to the top of the right side of the surface of the large bevel gear 8, and the large bevel gear 8 is set to rotate with the transmission space through the bearing to ensure the stability of the rotation of the large bevel gear 8 and ensure that the large bevel gear 8 drives the small bevel gear 9 to rotate.

[0038] See also Figure 1 Furthermore, a water outlet is opened at the bottom of the protective cover 5, and the connecting electrode 3 and the auxiliary electrode 4 are both located in the water outlet of the protective cover 5. The water outlet of the protective cover 5 allows the connecting electrode 3 and the auxiliary electrode 4 to be exposed, and the water inside the deep well pump can be connected to the connecting electrode 3 and the auxiliary electrode 4 through the water outlet.

[0039] See also Figure 3 Furthermore, wires are welded on the rear sides of the connecting electrode 3 and the auxiliary electrode 4, and the wires extend to the outside of the mounting frame 1. The connecting electrode 3 and the auxiliary electrode 4 are connected to the circuit board through the wires, so that a passage is formed after the connecting electrode 3 and the auxiliary electrode 4 are connected, which is convenient for monitoring whether there is water inside the deep well pump.

[0040] Furthermore, the insulating column 2 is fixed inside the mounting frame 1 by bolts. The reliability of the installation and fixation of the insulating column 2 is ensured by the above-mentioned bolt connection.

[0041] Furthermore, the protective sleeve 5 is rotatably mounted on the outside of the insulating column 2 via a bearing. The above-mentioned bearing ensures that the protective sleeve 5 can rotate smoothly on the outside of the insulating column 2.

[0042] Furthermore, the connecting gear 12 is matched with the protective sleeve 5 through a key and is used to transmit torque. Through the above-mentioned key transmission match, it is ensured that the protective sleeve 5 can be driven to rotate smoothly during the rotation of the connecting gear 12.

[0043] Furthermore, the rotating shaft 10 is rotatably mounted on the hole of the mounting frame 1 through a bearing. Through the above-mentioned rotation support, it is ensured that the rotating shaft 10 can rotate smoothly.

[0044] Embodiment 2:

[0045] The difference between this embodiment and the first embodiment is that the electric telescopic rod 6 and the transmission frame 7 are replaced by a power motor, a worm connected by a key at the output end of the power motor, and a worm wheel meshing on the surface of the worm wheel. The power motor can drive the worm wheel to rotate through the worm wheel, and the worm wheel can drive the large bevel gear 8 to rotate. However, this structure cannot limit the rotation amplitude of the large bevel gear 8, which can easily cause the protective cover 5 to rotate too much. Therefore, the present application is preferably an electric telescopic rod 6 and a transmission frame 7.

[0046] It should be noted that the specific type of electric telescopic rod 6 and power motor to be used is selected by relevant technicians familiar with the field, and the above electric telescopic rod 6 and power motor belong to the existing technology and will not be elaborated in this solution.

[0047] Preferably, the connecting electrode 3 and the auxiliary electrode 4 are made of metal blocks of the prior art, and can use reed switches, springs and magnetic blocks with patent application number 201810166385.7.

[0048] The specific working process and principle of this utility model:

[0049] The connecting electrode 3 and the auxiliary electrode 4 are connected to the main control circuit, and the mounting frame 1 is installed inside the deep well pump. When there is water inside the deep well pump, the water fills around the connecting electrode 3 and the auxiliary electrode 4, and the water is conductive, and the circuit between the connecting electrode 3 and the auxiliary electrode 4 and the control circuit can be connected. When there is no water, the circuit between the connecting electrode 3 and the auxiliary electrode 4 is disconnected. When it is not needed, the power supply of the electric telescopic rod 6 is turned on, and the electric telescopic rod 6 can be retracted downward, and the electric telescopic rod 6 can drive the transmission frame 7 to move downward, and the top of the transmission frame 7 is connected to the surface of the large bevel gear 8. There is an eccentric structure between them, the transmission frame 7 can drive the large bevel gear 8 to rotate clockwise, the large bevel gear 8 can drive the small bevel gear 9 to rotate, the small bevel gear 9 can drive the rotating shaft 10 to rotate, the rotating shaft 10 is rotatably arranged with the mounting frame 1 through the bearing, the rotating shaft 10 can drive the transmission gear 11 to rotate, the transmission gear 11 can drive the connecting gear 12 to rotate, the connecting gear 12 can drive the protective cover 5 to rotate, the protective cover 5 can cover the connecting electrode 3 and the auxiliary electrode 4 to hide the connecting electrode 3 and the auxiliary electrode 4, and protect the connecting electrode 3 and the auxiliary electrode 4.

Claims

1. A waterless protection structure for a deep well pump, characterized in that: The invention comprises a mounting frame (1), wherein an insulating column (2) is fixedly mounted inside the mounting frame (1); a connecting electrode (3) is embedded in one side of the middle end of the bottom of the insulating column (2), and an auxiliary electrode (4) is embedded in the other side of the middle end of the bottom of the insulating column (2); a protective sleeve (5) is mounted on the outer rotating sleeve of the mounting frame (1); a connecting gear (12) is mounted on one end of the protective sleeve (5); the connecting gear (12) is meshed with a transmission mechanism for transmission, and the transmission mechanism is connected to a power mechanism for providing power.

2. According to claim 1, a waterless protection structure for a deep well pump is characterized in that: The insulating column (2) is fixed inside the mounting frame (1) by means of bolts.

3. According to claim 1, a waterless protection structure for a deep well pump is characterized in that: The bottom of the protective cover (5) is processed with a water outlet, and the connecting electrode (3) and the auxiliary electrode (4) are both located at the location of the water outlet of the protective cover (5).

4. A waterless protection structure for a deep well pump according to claim 3, characterized in that: Wires are welded to the rear sides of the connecting electrode (3) and the auxiliary electrode (4), and the wires extend to the outside of the mounting frame (1).

5. The waterless protection structure for a deep well pump according to claim 1, characterized in that: The protective sleeve (5) is rotatably mounted on the outside of the insulating column (2) via a bearing.

6. The waterless protection structure for a deep well pump according to claim 1, characterized in that: The connecting gear (12) is matched with the protective sleeve (5) via a key and is used to transmit torque.

7. The waterless protection structure for a deep well pump according to claim 1, characterized in that: The power mechanism comprises an electric telescopic rod (6), the output end of the electric telescopic rod (6) is hingedly connected to a transmission frame (7), the other end of the transmission frame (7) is eccentrically hingedly connected to a large bevel gear (8), the large bevel gear (8) is rotatably mounted on the mounting frame (1), and the large bevel gear (8) is cooperatively connected to the transmission mechanism.

8. A waterless protection structure for a deep well pump according to claim 7, characterized in that: The transmission mechanism comprises a small bevel gear (9), the small bevel gear (9) and the large bevel gear (8) form a bevel gear meshing transmission, the axis of the small bevel gear (9) is key-connected to the right end of the rotating shaft (10), the surface of the rotating shaft (10) is rotatably sleeved with the hole of the mounting frame (1), the left end of the rotating shaft (10) extends to the top of the insulating column (2) and is key-connected to the axis of the transmission gear (11), and the transmission gear (11) is meshed with the connecting gear (12) for transmission.

9. A waterless protection structure for a deep well pump according to claim 8, characterized in that: The mounting frame (1) is provided with a transmission space on the outside close to the rotating shaft (10), and the power mechanism is arranged as a whole inside the transmission space; and the bottom end inside the transmission space is connected to the housing of the electric telescopic rod (6) by means of bolts.

10. The waterless protection structure for a deep well pump according to claim 8, characterized in that: The rotating shaft (10) is rotatably mounted on a hole of the mounting frame (1) via a bearing.

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