Locking device of peristaltic pump

Abstract

The utility model relates to the technical field of peristaltic pumps, and discloses a locking device of a peristaltic pump, the peristaltic pump comprises a shell, the shell is provided with an opening, and the locking device comprises a bottom plate arranged at the opening; the multiple electric push rods are arranged on the bottom plate, and inserting blocks are arranged at the output ends of the electric push rods. The top plate is used for sealing the opening, a plurality of inserting grooves are formed in the top plate, the inserting grooves correspond to the inserting blocks in a one-to-one mode and are detachably connected with the inserting blocks, the inserting blocks are pushed to be inserted into the inserting grooves through the electric push rod, rapid locking is achieved, and the locking force and the locking stroke are large.

Description

Technical Field

[0001] The utility model relates to the technical field of peristaltic pumps, in particular to a locking device for a peristaltic pump. Background Art

[0002] The peristaltic pump uses the rotation of the roller to squeeze the elastic hose. The fluid in the hose moves as the roller rotates, just like pinching the hose with two fingers. As the fingers slide forward, the fluid in the tube moves forward.

[0003] The pump cover and the housing of the peristaltic pump need to be locked by a locking structure. The existing locking methods are mostly thread locking or eccentric wheel locking. The thread locking method is inconvenient to lock and disassemble. The eccentric wheel locking method has a simple structure and is easy to operate, but the clamping force and clamping stroke are relatively small, and the structural impact resistance is also poor. Utility Model Content

[0004] The purpose of the utility model is to provide a locking device for a peristaltic pump, aiming to solve or improve at least one of the above technical problems.

[0005] To achieve the above object, the present invention provides the following solution: The present invention provides a locking device for a peristaltic pump, the peristaltic pump comprising a housing having an opening, the locking device comprising:

[0006] a bottom plate, disposed at the opening;

[0007] A plurality of electric push rods are arranged on the bottom plate, and an insert block is provided at the output end of the electric push rod;

[0008] A top plate is used to cover the opening. A plurality of slots are provided on the top plate. The plurality of slots correspond to the plurality of inserting blocks one by one and are detachably connected.

[0009] Optionally, a first wedge-shaped surface is provided on the bottom surface of the insert block, and a second wedge-shaped surface is provided on the bottom surface of the slot, and the first wedge-shaped surface is parallel to and fits in with the second wedge-shaped surface.

[0010] Optionally, a plurality of connecting columns are provided on the top plate, and the slots are provided on the connecting columns.

[0011] Optionally, the connecting column is detachably connected to the top plate via a first bolt.

[0012] Optionally, a plurality of avoidance holes are opened on the bottom plate, and the plurality of avoidance holes correspond one-to-one to the plurality of connecting columns.

[0013] Optionally, the electric push rod is detachably connected to the base plate via a fixing block.

[0014] Optionally, a restraining groove is provided on the fixing block, and the electric push rod is placed in the restraining groove.

[0015] Optionally, the fixing block is detachably connected to the base plate via a second bolt.

[0016] The utility model discloses the following technical effects: after the top plate is buckled on the opening of the peristaltic pump housing, the insertion block is made to correspond to the slot position, and the insertion block is pushed into the slot by an electric push rod to achieve rapid locking, and the locking force and locking stroke are large. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of this application. The exemplary embodiments and descriptions of this application are intended to explain this application and do not constitute an improper limitation on this application. In the accompanying drawings:

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection between the plug-in block and the slot of the utility model;

[0020] Figure 3 This is a schematic diagram of the separation of the plug-in block and the slot of the present invention.

[0021] In the figure: 1, bottom plate; 2, electric push rod; 3, plug block; 31, first wedge surface; 4, top plate; 5, slot; 51, second wedge surface; 6, connecting column; 7, first bolt; 8, avoidance hole; 9, fixing block; 10, restraining groove; 11, second bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0024] Reference Figure 1-Figure 3 The utility model provides a locking device for a peristaltic pump. The peristaltic pump includes a housing with an opening. The locking device includes:

[0025] Bottom plate 1, arranged at the opening;

[0026] A plurality of electric push rods 2 are arranged on the base plate 1, and an insert block 3 is provided at the output end of the electric push rod 2;

[0027] The top plate 4 is used to cover the opening. A plurality of slots 5 are provided on the top plate 4. The plurality of slots 5 correspond to the plurality of inserting blocks 3 one by one and are detachably connected.

[0028] After the top plate 4 is buckled onto the opening of the peristaltic pump housing, the insert block 3 is aligned with the slot 5, and the insert block 3 is pushed into the slot 5 by the electric push rod 2 to achieve rapid locking with large locking force and locking stroke.

[0029] According to a further optimized solution, a first wedge-shaped surface 31 is provided on the bottom surface of the insert 3 , and a second wedge-shaped surface 51 is provided on the bottom surface of the slot 5 . The first wedge-shaped surface 31 and the second wedge-shaped surface 51 are parallel to and fit together.

[0030] The first wedge surface 31 and the second wedge surface 51 are provided to ensure a tight fit between the parts.

[0031] According to a further optimized solution, a plurality of connecting columns 6 are provided on the top plate 4 , and slots 5 are provided on the connecting columns 6 .

[0032] By setting the connecting column 6 through the avoidance hole 8 and then through the base plate 1, the slot 5 can accurately correspond to the plug 3.

[0033] According to a further optimized solution, the connecting column 6 is detachably connected to the top plate 4 via a first bolt 7 , so as to facilitate the disassembly and assembly of the connecting column 6 .

[0034] To further optimize the solution, a plurality of avoidance holes 8 are opened on the bottom plate 1 , and the plurality of avoidance holes 8 correspond one-to-one to the plurality of connecting columns 6 .

[0035] According to a further optimized solution, the electric push rod 2 is detachably connected to the base plate 1 via a fixing block 9 .

[0036] As a further optimized solution, a restraining groove 10 is provided on the fixing block 9 , and the electric push rod 2 is placed in the restraining groove 10 . The position of the electric push rod 2 can be limited by a plurality of fixing blocks 9 with restraining grooves 10 .

[0037] According to a further optimized solution, the fixing block 9 is detachably connected to the base plate 1 via a second bolt 11 , so as to facilitate the disassembly and assembly of the fixing block 9 and the electric push rod 2 .

[0038] Directions:

[0039] The electric push rod 2 is fixed to the bottom plate 1 by the second bolt 11 and the fixing block 9, and the connecting column 6 is fixed to the top plate 4 by the first bolt 7. The bottom plate 1 remains fixed, and the connecting column 6 is passed through the avoidance hole 8 on the bottom plate 1, so that the top plate 4 moves and reaches the specified position. A feedback signal is given to the electric push rod 2, causing it to extend outward, so that the first wedge surface 31 of the insert 3 contacts and applies pressure to the second wedge surface 51 of the slot 5, and the locking is completed. When opening, a feedback signal is given to the electric push rod 2, causing it to retract inward, and the insert 3 is completely separated from the slot 5, releasing the lock.

[0040] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0041] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A locking device for a peristaltic pump, characterized in that: The peristaltic pump includes a housing, an opening is formed on the housing, and the locking device includes: A bottom plate (1) is arranged at the opening; A plurality of electric push rods (2) are arranged on the base plate (1), and an insert block (3) is provided at the output end of the electric push rods (2); A top plate (4) is used to cover the opening. A plurality of slots (5) are provided on the top plate (4). The plurality of slots (5) correspond to the plurality of inserting blocks (3) one by one and are detachably connected.

2. The locking device of a peristaltic pump according to claim 1, characterized in that: The bottom surface of the insert block (3) is provided with a first wedge surface (31), and the bottom surface of the slot (5) is provided with a second wedge surface (51). The first wedge surface (31) and the second wedge surface (51) are parallel and in contact with each other.

3. The locking device of a peristaltic pump according to claim 1, characterized in that: A plurality of connecting columns (6) are provided on the top plate (4), and the slots (5) are provided on the connecting columns (6).

4. The locking device of a peristaltic pump according to claim 3, characterized in that: The connecting column (6) is detachably connected to the top plate (4) via a first bolt (7).

5. The locking device of a peristaltic pump according to claim 3, characterized in that: A plurality of avoidance holes (8) are provided on the bottom plate (1), and the plurality of avoidance holes (8) correspond one-to-one to the plurality of connection columns (6).

6. The locking device of a peristaltic pump according to claim 1, characterized in that: The electric push rod (2) is detachably connected to the base plate (1) via a fixing block (9).

7. The locking device of a peristaltic pump according to claim 6, characterized in that: A binding groove (10) is provided on the fixing block (9), and the electric push rod (2) is placed in the binding groove (10).

8. The locking device of a peristaltic pump according to claim 6, characterized in that: The fixing block (9) is detachably connected to the base plate (1) via a second bolt (11).

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