Maintenance tool for water injection pump

Abstract

The maintenance tool for the water injection pump comprises a handle and a screwdriver head, the top of the handle is movably connected with the bottom of the screwdriver head, and the top of the handle is fixedly connected with an installation shell. Through cooperative use of a fixing mechanism, a fixing block, a moving hole, a spring and a fixing groove, the problems that an existing water injection pump is prone to being abraded, aged, blocked, corroded and the like after being used for a long time, the water injection pump needs to be maintained regularly, tools such as a screwdriver, a hammer, a wrench and a file need to be used during maintenance, and maintenance is inconvenient are solved. A screwdriver is a common manual tool and is used for tightening or loosening a screw, the type of a screwdriver head is linear, cross-shaped, hexagonal, plum blossom-shaped and the like, the screwdriver head is usually fixed on a handle and cannot be replaced, the screwdriver head cannot be replaced according to needs, and the use convenience of the screwdriver is reduced. However, a tool bit of a screwdriver used for maintaining an existing water injection pump is not provided with a component convenient to replace.

Description

Technical Field

[0001] The utility model belongs to the technical field of water injection pumps, in particular to a maintenance tool for water injection pumps. Background Art

[0002] An injection pump is a device used to transport liquid to a specific location. It is usually used for agricultural irrigation, liquid transportation in industrial production processes, and other occasions that require precise control of liquid flow. It can be manually operated, or it can be electrically or mechanically driven. In summary, the problems existing in the prior art are: the injection pump is prone to wear, aging, clogging, and corrosion after long-term use, and the injection pump needs to be regularly maintained. During maintenance, tools such as screwdrivers, hammers, wrenches, and files are required. A screwdriver is a commonly used hand tool for tightening or loosening screws. The types of screwdriver heads are divided into flat, cross, hexagonal, and plum blossom types. Usually, the screwdriver head is fixed on the handle and cannot be replaced. The screwdriver head cannot be replaced as needed, which reduces the convenience of using the screwdriver. However, the screwdriver head used for repairing the existing injection pump does not have a component for convenient replacement. Therefore, a maintenance tool for an injection pump is proposed to solve the above problems. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model provides a maintenance tool for a water injection pump, which has the advantage of convenient replacement of the blade of a screwdriver used for repairing the water injection pump, and solves the problem that the existing water injection pump is prone to wear, aging, clogging and corrosion after long-term use, and the water injection pump needs to be regularly maintained. During maintenance, tools such as screwdrivers, hammers, wrenches and files are needed. A screwdriver is a commonly used hand tool for tightening or loosening screws. The types of screwdriver heads are divided into flat-type, cross-type, hexagonal type and plum blossom type. Usually, the screwdriver head is fixed on the handle and cannot be replaced. The screwdriver head cannot be replaced as needed, which reduces the convenience of using the screwdriver. However, the existing screwdriver heads used for repairing water injection pumps have no components for convenient replacement.

[0004] The utility model is implemented as follows: a maintenance tool for a water injection pump comprises a handle and a screwdriver head, the top of the handle is movably connected to the bottom of the screwdriver head, the top of the handle is fixedly connected to a mounting shell, the bottom of the screwdriver head is fixedly connected to a docking shell used in conjunction with the mounting shell, the inner cavity of the docking shell contacts the surface of the mounting shell, the inner cavity of the mounting shell is movably connected to two control rods, the opposite sides of the two control rods both penetrate the mounting shell and extend to the outside of the inner cavity of the mounting shell, and a fixing mechanism is arranged inside the mounting shell.

[0005] As a preferred embodiment of the utility model, the fixing mechanism includes two fixing blocks, opposite sides of the two fixing blocks penetrate the mounting shell and extend to the outside of the inner cavity of the mounting shell, movable holes are opened on the surfaces of the fixing blocks, and opposite sides of the two fixing blocks are fixedly connected with springs. By setting up the fixing mechanism, when the screwdriver head moves to the top of the handle, the fixing mechanism has a limiting effect on the position of the screwdriver head.

[0006] As a preferred embodiment of the utility model, the inner cavity of the mounting shell is fixedly connected with a moving rod used in conjunction with the moving hole, the surface of the moving rod is in contact with the inner cavity of the moving hole, and the opposite sides of the two springs are fixedly connected to the surface of the moving rod. By setting the moving rod, when the fixed block moves, the moving hole will be driven to move along the surface of the moving rod, and the coordinated use of the moving rod and the moving hole has a limiting effect on the moving position of the fixed block.

[0007] As a preferred embodiment of the utility model, an external rotating shell is fixedly connected to the side of the inner cavity of the mounting shell close to the fixed block, the inner cavity of the external rotating shell is movably connected to the inner rotating shell, the top of the internal rotating shell passes through the external rotating shell and extends to the outside of the inner cavity of the external rotating shell. By arranging the external rotating shell and the internal rotating shell, when the two control rods rotate, the internal rotating shell will be driven to rotate along the inner cavity of the external rotating shell. The coordinated use of the internal rotating shell and the external rotating shell has a limiting effect on the rotation position of the control rod.

[0008] As a preferred embodiment of the utility model, an extrusion rod is fixedly connected to the top of the internal rotating shell, and an extrusion hole used in conjunction with the extrusion rod is opened on the surface of the fixed block. The surface of the extrusion rod is movably connected to the inner cavity of the extrusion hole. By arranging the extrusion rod and the extrusion hole, when the internal rotating shell rotates, the extrusion rod will be driven to rotate along the inner cavity of the extrusion hole. The extrusion rod can generate an extrusion force on the extrusion hole, and the extrusion hole subjected to the extrusion force can drive the fixed block to move.

[0009] As a preferred embodiment of the utility model, fixing grooves for use with fixing blocks are provided on the left and right sides of the inner cavity of the docking shell, and the surface of the fixing block is in contact with the inner cavity of the fixing groove. By setting the fixing groove, when the mounting shell moves to the inner cavity of the docking shell, the control rod is released, and the restoring force generated by the spring restoring shape will drive the fixing block to be stuck in the inner cavity of the fixing groove. The coordinated use of the fixing block and the fixing groove has a limiting effect on the position of the docking shell and the mounting shell.

[0010] As a preferred embodiment of the present invention, plug-in blocks are fixedly connected to the left and right sides of the mounting shell, and plug-in holes used in conjunction with the plug-in blocks are provided on the left and right sides of the docking shell. The surface of the plug-in block is in contact with the inner cavity of the plug-in hole. By arranging the plug-in block and the plug-in hole, when the docking shell moves to the surface of the mounting shell, the plug-in block moves into the inner cavity of the plug-in hole, and the coordinated use of the plug-in block and the plug-in hole has a limiting effect on the moving position of the docking shell.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model solves the problem that the existing water injection pump is prone to wear, aging, clogging and corrosion after long-term use by setting a fixing mechanism, a fixing block, a movable hole, a spring and a fixing groove for coordinated use. The water injection pump needs to be regularly maintained, and tools such as a screwdriver, a hammer, a wrench and a file are needed during maintenance. A screwdriver is a commonly used hand tool for tightening or loosening screws. The types of screwdriver heads are divided into flat-type, cross-type, hexagonal type and plum blossom type. Usually, the screwdriver head is fixed on the handle and cannot be replaced. The screwdriver head cannot be replaced as needed, which reduces the convenience of using the screwdriver. However, the existing water injection pump maintenance uses a screwdriver head without a component for convenient replacement.

[0013] 2. The utility model sets a fixing mechanism, and the extrusion hole subjected to the extrusion force can drive the two fixing blocks to move toward each other. When the fixing block moves, it will drive the moving hole to move along the surface of the moving rod. When the fixing block moves, the force generated causes the spring to undergo elastic deformation. The restoring force generated by the spring restoring its shape will drive the fixing block to be stuck into the inner cavity of the fixing groove. The fixing mechanism has a limiting effect on the position of the screwdriver head. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 It is a three-dimensional schematic diagram of a handle and a screwdriver head provided by an embodiment of the utility model;

[0016] Figure 3 It is a three-dimensional schematic diagram of a docking shell provided by an embodiment of the utility model;

[0017] Figure 4 It is a three-dimensional cross-sectional view of a mounting shell provided by an embodiment of the utility model;

[0018] Figure 5 It is a three-dimensional cross-sectional view of an external rotating shell provided by an embodiment of the utility model.

[0019] In the figure: 1. handle; 2. screwdriver head; 3. mounting shell; 4. docking shell; 5. control rod; 6. fixing mechanism; 601. fixing block; 602. moving hole; 603. spring; 7. moving rod; 8. external rotating shell; 9. internal rotating shell; 10. extrusion rod; 11. extrusion hole; 12. fixing slot; 13. plug-in block; 14. plug-in hole. DETAILED DESCRIPTION

[0020] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0021] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 5 As shown, an embodiment of the utility model provides a maintenance tool for a water injection pump, comprising a handle 1 and a screwdriver head 2, the top of the handle 1 is movably connected to the bottom of the screwdriver head 2, the top of the handle 1 is fixedly connected to a mounting shell 3, the bottom of the screwdriver head 2 is fixedly connected to a docking shell 4 used in conjunction with the mounting shell 3, the inner cavity of the docking shell 4 is in contact with the surface of the mounting shell 3, the inner cavity of the mounting shell 3 is movably connected to two control rods 5, the opposite sides of the two control rods 5 both penetrate the mounting shell 3 and extend to the outside of the inner cavity of the mounting shell 3, and a fixing mechanism 6 is arranged inside the mounting shell 3.

[0023] refer to Figure 4 The fixing mechanism 6 includes two fixing blocks 601, and opposite sides of the two fixing blocks 601 penetrate the mounting shell 3 and extend to the outside of the inner cavity of the mounting shell 3. A moving hole 602 is opened on the surface of the fixing block 601, and opposite sides of the two fixing blocks 601 are fixedly connected with springs 603.

[0024] With the above solution, by providing the fixing mechanism 6 , when the screwdriver head 2 moves to the top of the handle 1 , the fixing mechanism 6 has a limiting effect on the position of the screwdriver head 2 .

[0025] refer to Figure 4 The inner cavity of the mounting shell 3 is fixedly connected with a moving rod 7 used in conjunction with the moving hole 602 , the surface of the moving rod 7 contacts the inner cavity of the moving hole 602 , and the opposite sides of the two springs 603 are fixedly connected with the surface of the moving rod 7 .

[0026] The above solution is adopted: by setting the moving rod 7, when the fixed block 601 moves, the moving hole 602 will be driven to move along the surface of the moving rod 7. The coordinated use of the moving rod 7 and the moving hole 602 has a limiting effect on the moving position of the fixed block 601.

[0027] refer to Figure 5 An outer rotating shell 8 is fixedly connected to one side of the inner cavity of the mounting shell 3 near the fixed block 601, and an inner rotating shell 9 is movably connected to the inner cavity of the outer rotating shell 8. The top of the inner rotating shell 9 passes through the outer rotating shell 8 and extends to the outside of the inner cavity of the outer rotating shell 8.

[0028] The above solution is adopted: by setting an outer rotating shell 8 and an inner rotating shell 9, when the two control rods 5 rotate, the inner rotating shell 9 will be driven to rotate along the inner cavity of the outer rotating shell 8. The coordinated use of the inner rotating shell 9 and the outer rotating shell 8 has a limiting effect on the rotation position of the control rod 5.

[0029] refer to Figure 4 The top of the internal rotating shell 9 is fixedly connected with an extrusion rod 10, and the surface of the fixed block 601 is provided with an extrusion hole 11 used in conjunction with the extrusion rod 10, and the surface of the extrusion rod 10 is movably connected with the inner cavity of the extrusion hole 11.

[0030] The above scheme is adopted: by setting the extrusion rod 10 and the extrusion hole 11, when the internal rotating shell 9 rotates, it will drive the extrusion rod 10 to rotate along the inner cavity of the extrusion hole 11. The extrusion rod 10 can generate an extrusion force on the extrusion hole 11, and the extrusion hole 11 subjected to the extrusion force can drive the fixed block 601 to move.

[0031] refer to Figure 3 The left and right sides of the inner cavity of the docking shell 4 are both provided with fixing grooves 12 for use with the fixing block 601 , and the surface of the fixing block 601 contacts the inner cavity of the fixing grooves 12 .

[0032] The above solution is adopted: by setting the fixing groove 12, when the mounting shell 3 moves to the inner cavity of the docking shell 4, the control rod 5 is released, and the restoring force generated by the spring 603 restoring its shape will drive the fixing block 601 to be stuck into the inner cavity of the fixing groove 12. The coordinated use of the fixing block 601 and the fixing groove 12 has a limiting effect on the position of the docking shell 4 and the mounting shell 3.

[0033] refer to Figure 2 and 3 The left and right sides of the mounting shell 3 are fixedly connected with plug-in blocks 13, and the left and right sides of the docking shell 4 are provided with plug-in holes 14 used in conjunction with the plug-in blocks 13, and the surface of the plug-in blocks 13 contacts the inner cavity of the plug-in holes 14.

[0034] By adopting the above solution, by providing the plug-in block 13 and the plug-in hole 14, when the docking shell 4 moves to the surface of the mounting shell 3, the plug-in block 13 moves into the inner cavity of the plug-in hole 14, and the coordinated use of the plug-in block 13 and the plug-in hole 14 has a limiting effect on the moving position of the docking shell 4.

[0035] The working principle of this utility model:

[0036] When in use, when it is necessary to conveniently replace the bit of the screwdriver used for repairing the water injection pump, the user first removes the screwdriver bit 2 that needs to be replaced, and then rotates the two control rods 5. When the control rods 5 rotate, the internal rotating shell 9 will be driven to rotate along the inner cavity of the external rotating shell 8. When the internal rotating shell 9 rotates, the extrusion rod 10 will be driven to rotate along the inner cavity of the extrusion hole 11. When the extrusion rod 10 rotates, an extrusion force will be generated on the extrusion hole 11. The extrusion hole 11 subjected to the extrusion force can drive the two fixed blocks 601 to move toward each other. When the fixed block 601 moves, it will drive the movable hole 602 to move along the movable hole 602. The surface of the rod 7 moves, and the force generated when the fixing block 601 moves causes the spring 603 to undergo elastic deformation. When the fixing block 601 is completely moved to the inner cavity of the mounting shell 3, the docking shell 4 is moved to the surface of the mounting shell 3. When the docking shell 4 moves, it will drive the plug-in block 13 to move into the inner cavity of the plug-in hole 14. Then the two control rods 5 are released, and the restoring force generated by the spring 603 restoring its shape will drive the fixing block 601 to be stuck into the inner cavity of the fixing groove 12. The coordinated use of the fixing block 601 and the fixing groove 12 has a limiting effect on the position of the screwdriver head 2. At this time, the water injection pump can be repaired by using the screwdriver head to complete convenient replacement.

[0037] To sum up: the maintenance tool for the water injection pump solves the problems of wear, aging, clogging and corrosion of the existing water injection pump after long-term use by setting a fixing mechanism 6, a fixing block 601, a movable hole 602, a spring 603 and a fixing groove 12. The water injection pump needs to be regularly maintained, and tools such as screwdrivers, hammers, wrenches and files are needed during maintenance. The screwdriver is a commonly used hand tool for tightening or loosening screws. The types of screwdriver heads are divided into flat, cross, hexagonal and plum blossom types. Usually, the screwdriver head is fixed on the handle and cannot be replaced. The screwdriver head cannot be replaced as needed, which reduces the convenience of using the screwdriver. However, the existing water injection pump maintenance screwdriver head has no component for convenient replacement.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maintenance tool for a water injection pump, comprising a handle (1) and a screwdriver head (2), characterized in that: The top of the handle (1) is movably connected to the bottom of the screwdriver head (2); the top of the handle (1) is fixedly connected to a mounting shell (3); the bottom of the screwdriver head (2) is fixedly connected to a docking shell (4) used in conjunction with the mounting shell (3); the inner cavity of the docking shell (4) contacts the surface of the mounting shell (3); the inner cavity of the mounting shell (3) is movably connected to two control rods (5); opposite sides of the two control rods (5) both penetrate the mounting shell (3) and extend to the outside of the inner cavity of the mounting shell (3); and a fixing mechanism (6) is provided inside the mounting shell (3).

2. A water injection pump maintenance tool as claimed in claim 1, characterized in that: The fixing mechanism (6) comprises two fixing blocks (601), opposite sides of the two fixing blocks (601) both penetrate the mounting shell (3) and extend to the outside of the inner cavity of the mounting shell (3), a movable hole (602) is provided on the surface of the fixing block (601), and opposite sides of the two fixing blocks (601) are both fixedly connected with a spring (603).

3. A water injection pump maintenance tool as claimed in claim 2, characterized in that: The inner cavity of the mounting shell (3) is fixedly connected to a moving rod (7) used in conjunction with the moving hole (602); the surface of the moving rod (7) contacts the inner cavity of the moving hole (602); and the opposite sides of the two springs (603) are fixedly connected to the surface of the moving rod (7).

4. A water injection pump maintenance tool as claimed in claim 2, characterized in that: An external rotating shell (8) is fixedly connected to one side of the inner cavity of the mounting shell (3) close to the fixed block (601), and an internal rotating shell (9) is movably connected to the inner cavity of the external rotating shell (8), and the top of the internal rotating shell (9) passes through the external rotating shell (8) and extends to the outside of the inner cavity of the external rotating shell (8).

5. A water injection pump maintenance tool as claimed in claim 4, characterized in that: The top of the internal rotating shell (9) is fixedly connected to an extrusion rod (10), and the surface of the fixed block (601) is provided with an extrusion hole (11) for use with the extrusion rod (10), and the surface of the extrusion rod (10) is movably connected to the inner cavity of the extrusion hole (11).

6. A water injection pump maintenance tool as claimed in claim 2, characterized in that: The left and right sides of the inner cavity of the docking shell (4) are both provided with fixing grooves (12) for use with the fixing block (601), and the surface of the fixing block (601) is in contact with the inner cavity of the fixing groove (12).

7. A water injection pump maintenance tool as claimed in claim 1, characterized in that: The left and right sides of the installation shell (3) are fixedly connected with plug-in blocks (13), and the left and right sides of the docking shell (4) are provided with plug-in holes (14) for use with the plug-in blocks (13). The surface of the plug-in blocks (13) is in contact with the inner cavity of the plug-in holes (14).

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