A hydraulic submersible pump with an anti-blocking structure
By designing an anti-blocking structure in a hydraulic submersible pump, and using a return spring and a return support block to achieve lifting and supporting the filter body, the problem of easy blockage of the submersible pump is solved, and the service life and installation efficiency of the pump are improved.
Patent Information
- Application Number
- CN202110955053.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-08-19
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2041-08-19
AI Technical Summary
Existing submersible pumps are easily blocked by mud and sand, not easy to clean, and are damaged after blockage, and need to be replaced as a whole, which increases the cost.
A hydraulic submersible pump with an anti-blocking structure is designed. The filter body is clamped with the slot through a card block, and the reset support block is driven upward through a reset spring to achieve support and lifting of the filter body and prevent blockage.
It effectively prevents the pump body from being blocked, improves the service life and installation efficiency of the pump, and reduces the overall cost.
Smart Images

Figure CN115707876B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of submersible pumps, and particularly to a hydraulic submersible pump with an anti-blocking structure. Background Art
[0002] Submersible pumps are important equipment for pumping water from deep wells. When in use, the entire unit works submerged in water, extracting groundwater to the surface, and is used for domestic water, mine rescue, industrial cooling, farm irrigation, seawater lifting, ship ballasting, and can also be used for fountain landscapes. According to the drainage principle, pumps can be divided into: impeller pumps such as centrifugal pumps, mixed-flow pumps, axial-flow pumps, etc., vortex pumps; positive-displacement pumps such as piston pumps, gear pumps, screw pumps, vane pumps, etc.; other types such as jet pumps, hydraulic ram pumps, etc.
[0003] Existing submersible pumps are easily blocked by sediment, not easy to clean, and are damaged after being blocked, requiring overall replacement, which increases the overall cost. Summary of the Invention
[0004] The purpose of the present invention is to provide a hydraulic submersible pump with an anti-blocking structure to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the present invention provides the following technical solutions:
[0006] A hydraulic submersible pump with an anti-blocking structure includes a pump body and a filter body. The pump body is fixedly installed on a positioning column. The bottom end of the positioning column is provided with a fixed base. The inner cavity of the positioning column is provided with a driving mechanism. An installation groove is provided on the driving mechanism. A clamping groove is provided on one side of the installation groove. A clamping block is provided on one side of the filter body. The clamping block is clamped with the clamping groove. The bottom wall of the installation groove is connected to a reset support block through a reset spring. The filter body is arranged in cooperation with the reset support block. Symmetrically arranged installation clamping columns are provided at the top end of the filter body. The installation clamping columns are clamped with installation clamping openings on the pump body. A fixing component is provided on the outer bottom wall of the pump body. The fixing component is clamped and matched with a fixing clamping opening on the installation clamping column.
[0007] The fixing component includes a fixing box body. The fixing box body is installed on the outer bottom wall of the pump body through a fixing column. A fixing slider is slidably arranged in the fixing box body. The fixing slider is connected to a fixing clamping rod. The fixing clamping rod is clamped and matched with the fixing clamping opening. A fixing inclined rod is hinged to the side wall of the fixing slider. Two fixing inclined rods are jointly hinged to a lifting slider. The lifting slider is connected to a lifting sliding column. The lifting sliding column passes through the fixing box body and is connected to a pulling and pressing handle. A locking opening is further provided on the side wall of the lifting sliding column. The locking opening is locked and matched with a locking member. A reminder installer is further provided on the outer bottom wall of the fixing box body. The reminder installer is in contact and cooperation with the filter body.
[0008] A strengthener is further provided on the outer bottom wall of the pump body. The installation clamping column passes through the strengthener and is matched with the installation clamping opening.
[0009] Preferably, the driving mechanism includes a driving wire shaft, which is connected with a driven bevel gear. The driven bevel gear meshes with a driving bevel gear, and the driving bevel gear is connected with a rotating shaft. The driving wire shaft is threadedly connected with a driving wire block, and the driving wire block is connected with a through column. The through column passes through a positioning column and is connected with an installation groove. The driving wire block is connected with a positioning rod, and the positioning rod is slidably and limitedly arranged in a positioning groove inside the positioning rod.
[0010] Preferably, the locking member includes a locking pull rod, which is connected with a support block through a locking spring. The locking pull rod is connected with a locking vertical block, and the locking vertical block passes through the box opening of a fixed box body. The locking pull rod is slidably matched with a locking groove through a locking block, and the locking pull rod is locked with a locking opening.
[0011] Preferably, the strengthener includes a strengthening box, in which a strengthening rotating shaft is rotatably arranged. One end of the strengthening rotating shaft is provided with a strengthening handle, and the other end is provided with a strengthening screw thread, which is threadedly connected with a first strengthening moving block. The first strengthening moving block is connected with a first strengthening clamping rod. A driving turntable is arranged on the strengthening rotating shaft, and the driving turntable is connected with a winding rope. The winding rope is connected with a driving gear through a winding wheel. The driving gear meshes with a driving rack, and the driving rack is connected with a second strengthening moving block. The second strengthening moving block is connected with a second strengthening clamping rod. The first strengthening clamping rod and the second strengthening clamping rod are clamped with strengthening openings on an installation clamping column.
[0012] Preferably, a sleeve box body is arranged on the inner side wall of the strengthening box. A strengthening limiting groove is arranged inside the strengthening box, and a strengthening limiting block is slidably arranged in the strengthening limiting groove. The strengthening limiting block is connected with a strengthening limiting column, and the strengthening limiting column is connected with the first strengthening moving block.
[0013] Preferably, the driving rack is connected with a connecting sleeve through a connecting rod. The connecting sleeve is sleeved on a connecting column, and the connecting column is connected with the side wall of the strengthening box. A connecting fixing block is further arranged at one end of the connecting column.
[0014] Preferably, the reminder installer includes a reminder installation box, in which an installation sleeve column is arranged. An installation sleeve block is slidably arranged between the installation sleeve column and the side wall of the reminder installation box. A lower part of the installation sleeve block is provided with an installation vertical column, and the installation vertical column is connected with a contact block. The installation sleeve block is connected with the reminder installation box through an installation spring.
[0015] Preferably, a reminder rack is arranged on an upper part of the installation sleeve block. The reminder rack is connected with the inner top wall of the reminder installation box through a reminder spring. The reminder rack meshes with a reminder gear, and the reminder gear is connected with a reminder rope. A reminder vertical rod is arranged inside the reminder installation box, and a reminder moving contact is slidably sleeved on the reminder vertical rod. The reminder moving contact is in contact and cooperation with a static contact on the reminder vertical rod. The reminder rope is connected with the reminder moving contact, and the reminder moving contact is connected with the inner bottom wall of the reminder installation box through a return spring. An alarm is further arranged on the side wall of the reminder installation box.
[0016] Preferably, the reminder moving contact piece is in contact and cooperation with the static contact piece for the alarm setting of the alarm device.
[0017] Compared with the prior art, the beneficial effects of the present invention are
[0018] (1) In the present invention, the filter body is clamped through the clamping block and the clamping groove, and at the same time, the reset support block is driven by the reset spring to move upward, thereby supporting the filter body. The rotating shaft rotates, driving the driving bevel gear to rotate, and then the driven bevel gear rotates, thereby driving the driving wire shaft to rotate. At the same time, the driving wire block moves, driving the through column to move, and further driving the filter body to move upward; the installation clamping column is clamped with the installation bayonet on the pump body; during the upward movement of the filter body, the contact block contacts the filter body, the installation vertical column moves, and then the movement of the installation sleeve block is realized, driving the movement of the reminder rack, and then the reminder rack rotates, driving the reminder rope to pull, so as to realize the contact between the reminder moving contact piece and the static contact piece on the reminder vertical rod, and the alarm device alarms, reminding that the upward movement of the filter body reaches the maximum, reminding the staff to start further limiting and fixing it. In addition, through the reset of the installation spring and the reset spring driving the reset support block to move upward, balance is achieved, thereby improving the installation efficiency.
[0019] (2) Press the pulling and pressing hand, the lifting sliding column drives the lifting sliding block to move, and then through the angle change of the fixed inclined rod, the movement of the fixed sliding block is realized, and then the fixed clamping rod is in clamping and cooperation with the fixed bayonet, so as to further limit and fix the filter body.
[0020] (3) By rotating the strengthening hand, the strengthening rotating shaft is driven to rotate. The strengthening screw port is provided with a threaded connection with the first strengthening moving block, driving the first strengthening clamping rod to move. At the same time, through the cooperation of the winding rope and the driving turntable, the driving gear is further driven to rotate, and then the driving rack moves. Furthermore, the driving gear meshes with the driving rack, further improving the installation stability of the filter body. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a structural schematic diagram of the present invention;
[0022] Figure 2 is a structural schematic diagram of the driving mechanism of the present invention;
[0023] Figure 3 is a structural schematic diagram of the fixing component of the present invention;
[0024] Figure 4 is a structural schematic diagram of the locking part of the present invention;
[0025] Figure 5 is a structural schematic diagram of the strengthener of the present invention;
[0026] Figure 6Structural schematic diagram of the reinforcement limiting block and the reinforcement limiting column of the present invention;
[0027] Figure 7 Structural schematic diagram of the reminder installer of the present invention. Specific embodiments
[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0029] Please refer to Figures 1-7 , in the embodiment of the present invention, a hydraulic submersible pump with an anti-blocking structure includes a pump body 1 and a filter body 2. The pump body 1 is fixedly installed on a positioning column 3. A fixed base 4 is provided at the bottom end of the positioning column 3. A driving mechanism 5 is provided in the inner cavity of the positioning column 3. An installation groove 6 is provided on the driving mechanism 5. A clamping groove 7 is provided on one side of the installation groove 6. A clamping block 8 is provided on one side of the filter body 2. The clamping block 8 is clamped with the clamping groove 7. The inner bottom wall of the installation groove 6 is connected to a reset support block 10 through a reset spring 9. The filter body 2 is cooperated with the reset support block 10; symmetric installation clamping columns 11 are provided at the top end of the filter body 2. The installation clamping columns 11 are clamped with the installation clamping openings 12 on the pump body 1. A fixing component 13 is provided on the outer bottom wall of the pump body 1; the fixing component 13 is cooperatively clamped with the fixing clamping openings 14 on the installation clamping columns 11;
[0030] The fixing component 13 includes a fixing box body 131. The fixing box body 131 is installed on the outer bottom wall of the pump body 1 through a fixing column. A fixing slider 132 is slidably provided in the fixing box body 131. The fixing slider 132 is connected to a fixing clamping rod 133. The fixing clamping rod 133 is clamped and cooperated with the fixing clamping opening 14. A fixing inclined rod 134 is hinged to the side wall of the fixing slider 132. Two fixing inclined rods 134 are jointly hinged to a lifting slider 135. The lifting slider 135 is connected to a lifting sliding column 136. The lifting sliding column 136 passes through the fixing box body 131 and is connected to a pulling and pressing hand 137. A locking opening 138 is further provided on the side wall of the lifting sliding column 136. The locking opening 138 is locked and cooperated with a locking member 139; a reminder installer 16 is further provided on the outer bottom wall of the fixing box body 131. The reminder installer 16 is in contact and cooperation with the filter body 2.
[0031] The filter body 2 is snap-fitted with the card slot 7 through the card block 8. At the same time, the reset support block 10 is driven to move upward by the reset spring 9, and then the filter body 2 is supported. The rotating shaft 54 rotates, driving the driving bevel gear 53 to rotate, and then the driven bevel gear 52 rotates, thereby driving the driving wire shaft 51 to rotate. At the same time, the driving wire block 55 moves, driving the through column 56 to move, and further driving the filter body 2 to move upward. The installation card post 11 is snap-fitted with the installation bayonet 12 on the pump body 1.
[0032] The pull-press hand 137 is pressed, and the lifting slide column 136 drives the lifting slide block 135 to move. Then, through the angle change of the fixed inclined rod 134, the movement of the fixed slide block 132 is realized, and then the fixed clamping rod 133 is snap-fitted with the fixed bayonet 14, so as to further limit and fix the filter body 2.
[0033] The outer bottom wall of the pump body 1 is also provided with a strengthener 15, and the installation card post 11 passes through the strengthener 15 and is arranged in cooperation with the installation bayonet 12.
[0034] The driving mechanism 5 of this embodiment includes a driving wire shaft 51. The driving wire shaft 51 is connected with a driven bevel gear 52. The driven bevel gear 52 is engaged with a driving bevel gear 53. The driving bevel gear 53 is connected with a rotating shaft 54. The driving wire shaft 51 is threadedly connected with a driving wire block 55. The driving wire block 55 is connected with a through column 56. The through column 56 passes through the positioning column 3 and is connected with the installation groove 6. The driving wire block 55 is connected with a positioning rod 57. The positioning rod 57 is slidably and limitedly arranged in the positioning groove 58 in the inner cavity of the positioning rod 57.
[0035] The locking member 139 of this embodiment includes a locking pull rod 1391. The locking pull rod 1391 is connected with a support block 1393 through a locking spring 1392. The locking pull rod 1391 is connected with a locking vertical block 1394. The locking vertical block 1394 passes through the box opening of the fixed box body 131. The locking pull rod 1391 is slidably and cooperatively arranged with a locking groove 1396 through a locking block 1395. The locking pull rod 1391 is locked with a locking port 138.
[0036] By locking the locking pull rod 1391 with the locking port 138, the lifting slide column 136 is further limited, thereby improving the installation stability of the filter body 2.
[0037] The strengthener 15 of this embodiment includes a strengthening box 151. A strengthening rotating shaft 152 is rotatably arranged inside the strengthening box 151. One end of the strengthening rotating shaft 152 is provided with a strengthening handle 153, and the other end is provided with a strengthening screw port 154. The strengthening screw port 154 is threadedly connected to the first strengthening moving block 155. The first strengthening moving block 155 is connected to the first strengthening clamping rod 156. A driving turntable 157 is arranged on the strengthening rotating shaft 152. The driving turntable 157 is connected to a winding rope 158. The winding rope 158 is connected to a driving gear 1510 through a winding wheel 159. The driving gear 1510 meshes with a driving rack 1511. The driving rack 1511 is connected to the second strengthening moving block 1512. The second strengthening moving block 1512 is connected to the second strengthening clamping rod 1513. The first strengthening clamping rod 156 and the second strengthening clamping rod 1513 are clamped with a strengthening port 1514 on the installation clamping column 11.
[0038] The inner side wall of the strengthening box 151 of this embodiment is provided with a sleeve box body 1515. A strengthening limiting groove 1516 is arranged inside the strengthening box 151. A strengthening limiting block 1517 is slidably arranged in the strengthening limiting groove 1516. The strengthening limiting block 1517 is connected to a strengthening limiting column 1518. The strengthening limiting column 1518 is connected to the first strengthening moving block 155.
[0039] The driving rack 1511 of this embodiment is connected to a connecting sleeve 1519 through a connecting rod. The connecting sleeve 1519 is sleeved on a connecting column 1520. The connecting column 1520 is connected to the side wall of the strengthening box 151. One end of the connecting column 1520 is further provided with a connecting fixed block 1521.
[0040] By rotating the strengthening handle 153, the rotation of the strengthening rotating shaft 152 is driven. The strengthening screw port 154 is threadedly connected to the first strengthening moving block 155, and then the movement of the first strengthening clamping rod 156 is driven. At the same time, through the cooperation of the winding rope 158 and the driving turntable 157, the rotation of the driving gear 1510 is further realized. Then the driving rack 1511 moves. Furthermore, the driving gear 1510 meshes with the driving rack 1511, further improving the installation stability of the filter body 2.
[0041] The reminder installer 16 of this embodiment includes a reminder installation box 161. An installation sleeve column 162 is arranged inside the reminder installation box 161. An installation sleeve block 163 is slidably arranged on the installation sleeve column 162 and the side wall of the reminder installation box 161. A vertical installation column 164 is arranged below the installation sleeve block 163. The vertical installation column 164 is connected to a contact block 165. The installation sleeve block 163 is connected to the reminder installation box 161 through an installation spring 166.
[0042] On the upper part of the installation sleeve block 163 of this embodiment, there is a reminder rack 167. The reminder rack 167 is connected to the inner top wall of the reminder installation box 161 through a reminder spring 168. The reminder rack 167 meshes with a reminder gear 169, and the reminder gear 169 is connected to a reminder rope 1610. Inside the reminder installation box 161, there is a reminder vertical rod 1611. A reminder moving contact piece 1612 is slidably sleeved on the reminder vertical rod 1611. The reminder moving contact piece 1612 is in contact and cooperation with a static contact piece 1613 on the reminder vertical rod 1611. The reminder rope 1610 is connected to the reminder moving contact piece 1612, and the reminder moving contact piece 1612 is connected to the inner bottom wall of the reminder installation box 161 through a return spring. On the side wall of the reminder installation box 161, there is also an alarm 1614.
[0043] The reminder moving contact piece 1612 and the static contact piece 1613 of this embodiment are in contact and cooperation for the alarm setting of the alarm 1614.
[0044] During the upward movement of the filter body 2, the contact block 165 contacts the filter body 2, the installation vertical column 164 moves, and then the installation sleeve block 163 moves, thereby driving the movement of the reminder rack 167. Further, the reminder rack 167 rotates, driving the reminder rope 1610 to pull, so as to realize the contact between the reminder moving contact piece 1612 and the static contact piece 1613 on the reminder vertical rod 1611, and the alarm 1614 alarms, reminding that the upward movement of the filter body 2 reaches the maximum, reminding the staff to start further limiting and fixing it. In addition, through the reset of the installation spring 166 and the reset spring 9 driving the reset support block 10 to move upward, it plays a balancing role, thereby improving the installation efficiency.
[0045] Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.
[0046] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A hydraulic submersible pump with an anti-blocking structure, comprising a pump body (1) and a filter body (2), characterized in that, The pump body (1) is fixedly installed on the positioning column (3). A fixed base (4) is provided at the bottom end of the positioning column (3). A driving mechanism (5) is provided in the inner cavity of the positioning column (3). An installation groove (6) is provided on the driving mechanism (5). A clamping groove (7) is provided on one side of the installation groove (6). A clamping block (8) is provided on one side of the filter body (2). The clamping block (8) is clamped with the clamping groove (7). The inner bottom wall of the installation groove (6) is connected to a reset support block (10) through a reset spring (9). The filter body (2) is arranged in cooperation with the reset support block (10); Symmetric installation clamping columns (11) are provided at the top end of the filter body (2). The installation clamping columns (11) are clamped with the installation clamping openings (12) on the pump body (1). A fixing component (13) is provided on the outer bottom wall of the pump body (1); The fixing component (13) is clamped with the fixing clamping opening (14) on the installation clamping column (11) in a matching manner; The fixing component (13) includes a fixing box body (131). The fixing box body (131) is installed on the outer bottom wall of the pump body (1) through a fixing column. A fixing slider (132) is slidably arranged in the fixing box body (131). The fixing slider (132) is connected to a fixing clamping rod (133). The fixing clamping rod (133) is clamped with the fixing clamping opening (14) in a matching manner. A fixing inclined rod (134) is hinged to the side wall of the fixing slider (132). Two fixing inclined rods (134) are jointly hinged to a lifting slider (135). The lifting slider (135) is connected to a lifting sliding column (136). The lifting sliding column (136) passes through the fixing box body (131) and is connected to a pulling and pressing hand (137). A locking opening (138) is further provided on the side wall of the lifting sliding column (136). The locking opening (138) is locked and matched with a locking member (139); A reminder installer (16) is further provided on the outer bottom wall of the fixing box body (131). The reminder installer (16) is in contact and cooperation with the filter body (2); A strengthener (15) is further provided on the outer bottom wall of the pump body (1). The installation clamping column (11) passes through the strengthener (15) and is in cooperation with the installation clamping opening (12); The intensifier (15) includes an intensifying box (151). An intensifying rotating shaft (152) is rotatably arranged in the intensifying box (151). One end of the intensifying rotating shaft (152) is provided with an intensifying handle (153), and the other end is provided with an intensifying screw thread (154). The intensifying screw thread (154) is threadedly connected to a first intensifying moving block (155). The first intensifying moving block (155) is connected to a first intensifying clamping rod (156). An active turntable (157) is arranged on the intensifying rotating shaft (152). The active turntable (157) is connected to a winding rope (158). The winding rope (158) is connected to an active gear (1510) through a winding wheel (159). The active gear (1510) meshes with an active rack (1511). The active rack (1511) is connected to a second intensifying moving block (1512). The second intensifying moving block (1512) is connected to a second intensifying clamping rod (1513). The first intensifying clamping rod (156) and the second intensifying clamping rod (1513) are clamped to an intensifying opening (1514) on the installation clamping column (11).
2. The hydraulic submersible pump with an anti-blocking structure according to claim 1, characterized in that, The driving mechanism (5) includes a driving wire shaft (51). The driving wire shaft (51) is connected to a driven bevel gear (52). The driven bevel gear (52) meshes with a driving bevel gear (53). The driving bevel gear (53) is connected to a rotating shaft (54). The driving wire shaft (51) is threadedly connected to a driving wire block (55). The driving wire block (55) is connected to a through column (56). The through column (56) passes through a positioning column (3) and is connected to an installation groove (6). The driving wire block (55) is connected to a positioning rod (57). The positioning rod (57) is slidably and limitedly arranged in a positioning groove (58) inside the positioning rod (57).
3. The hydraulic submersible pump with an anti-blocking structure according to claim 1, wherein, The locking member (139) includes a locking pull rod (1391). The locking pull rod (1391) is connected to a support block (1393) through a locking spring (1392). The locking pull rod (1391) is connected to a locking vertical block (1394). The locking vertical block (1394) passes through the box opening of a fixed box body (131). The locking pull rod (1391) is slidably matched with a locking groove (1396) through a locking block (1395). The locking pull rod (1391) is lockingly connected to a locking opening (138).
4. A hydraulic submersible pump with an anti-blocking structure according to claim 1, wherein, The inner side wall of the intensifying box (151) is provided with a sleeve box body (1515). An intensifying limiting groove (1516) is arranged in the intensifying box (151). An intensifying limiting block (1517) is slidably arranged in the intensifying limiting groove (1516). The intensifying limiting block (1517) is connected to an intensifying limiting column (1518). The intensifying limiting column (1518) is connected to the first intensifying moving block (155).
5. A hydraulic submersible pump with an anti-blocking structure according to claim 1, characterized in that, The active rack (1511) is connected to a connecting sleeve (1519) through a connecting rod. The connecting sleeve (1519) is sleeved on a connecting column (1520). The connecting column (1520) is connected to the side wall of the intensifying box (151). One end of the connecting column (1520) is further provided with a connecting fixed block (1521).
6. The hydraulic submersible pump with an anti-blocking structure according to claim 1, wherein The reminder installer (16) includes a reminder installation box (161). An installation sleeve column (162) is provided inside the reminder installation box (161). An installation sleeve block (163) is slidably provided on the side wall of the installation sleeve column (162) and the reminder installation box (161). An installation vertical column (164) is provided at the lower part of the installation sleeve block (163). The installation vertical column (164) is connected to a contact block (165). The installation sleeve block (163) and the reminder installation box (161) are connected by an installation spring (166).
7. The hydraulic submersible pump with an anti-blocking structure according to claim 6, characterized in that, A reminder rack (167) is provided at the upper part of the installation sleeve block (163). The reminder rack (167) is connected to the inner top wall of the reminder installation box (161) by a reminder spring (168). The reminder rack (167) meshes with a reminder gear (169). The reminder gear (169) is connected to a reminder rope (1610). A reminder vertical rod (1611) is provided inside the reminder installation box (161). A reminder moving contact piece (1612) is slidably sleeved on the reminder vertical rod (1611). The reminder moving contact piece (1612) is in contact and cooperation with a static contact piece (1613) on the reminder vertical rod (1611). The reminder rope (1610) is connected to the reminder moving contact piece (1612). And the reminder moving contact piece (1612) and the inner bottom wall of the reminder installation box (161) are connected by a return spring. An alarm (1614) is further provided on the side wall of the reminder installation box (161).
8. A hydraulic submersible pump with an anti-blocking structure according to claim 7, characterized in that, The reminder moving contact piece (1612) is in contact and cooperation with the static contact piece (1613) for the alarm setting of the alarm (1614).
Citation Information
Patent Citations
Multifunctional piano teaching device
CN112669792A
Novel gear oil pump base
CN210738806U