Sealing type reciprocating pump

Abstract

The utility model discloses a sealing type reciprocating pump, and belongs to the field of liquid variable-capacity machinery, the sealing type reciprocating pump comprises a mounting plate, a support is fixedly assembled on the top of the mounting plate, a motor is fixedly assembled on the top of the support, and the output end of the motor is fixedly connected with a reduction gearbox; the threaded ring and the sealing cover are moved to the outside, so that the positioning rod and the diaphragm can be moved out of the inner wall of the containing bin, the diaphragm is conveniently replaced and maintained, and the problems that an existing device is inconvenient to disassemble and maintain the diaphragm, so that the efficiency is low when a user replaces and maintains the diaphragm, and the working efficiency is high are solved. A square block is inserted into the inner wall position of a square groove, then three positioning rods are inserted into the inner wall positions of three clamping grooves, then a sealing cover can be taken, and a threaded ring is screwed to the inner wall position of a containing bin until the inner side of the sealing cover abuts against the outer sides of the positioning rods; therefore, quick installation of the positioning rod and the diaphragm is completed.

Description

Technical Field

[0001] The present application relates to the technical field of liquid variable displacement machinery, and in particular to a sealed reciprocating pump. Background Art

[0002] Reciprocating pumps include piston pumps, metering pumps and diaphragm pumps, collectively known as reciprocating pumps. It is a type of positive displacement pump and is widely used. Reciprocating pumps are conveying machines that directly provide energy to liquids in the form of pressure energy through the reciprocating motion of the piston. According to the driving method, reciprocating pumps are divided into two categories: motor pumps and direct-acting pumps.

[0003] In the patent with the authorization announcement number CN218376825U, the sealed reciprocating pump includes a pump body, an annular shell and a diaphragm, the annular shell is provided with an annular groove, the outer wall of the diaphragm is embedded in the annular groove, a connecting piece is provided on one side of the annular shell, a connecting groove is provided on the end surface of one end of the pump body, the connecting piece is inserted into the connecting groove, and one end of the connecting piece is clamped to the bottom of the connecting groove. The application has the effect of improving the airtightness of the reciprocating pump.

[0004] When the above device is implemented, it is not convenient to disassemble, clean and maintain the diaphragm. Since the diaphragm will be damaged after long-term use, it needs to be replaced and maintained in time. The inconvenience of disassembling and maintaining the diaphragm will lead to low efficiency of users when replacing and maintaining the diaphragm, which will greatly delay the work efficiency of the staff. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a sealed reciprocating pump, which overcomes the deficiencies of the prior art and aims to solve the problems in the background technology.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a sealed reciprocating pump, comprising a mounting plate, a bracket fixedly assembled on the top of the mounting plate, a motor fixedly assembled on the top of the bracket, a reduction box fixedly connected to the output end of the motor, a pump body fixedly connected to the end of the reduction box away from the motor, a accommodating bin fixedly connected to the end of the pump body away from the reduction box, a card slot is provided on the outer side of the accommodating bin, a positioning rod is inserted into the inner wall of the card slot, a square slot is provided on the inner side of the positioning rod, a square block is inserted into the inner wall of the square slot, a diaphragm is fixedly connected to the side of the square block away from the square slot, a threaded ring is threadedly connected to the inner wall of the accommodating bin, a sealing cover is fixedly assembled on the outer side of the threaded ring, and a plurality of protrusions are fixedly assembled on the outer edge of the sealing cover.

[0007] As a preferred implementation, a positioning frame is fixedly mounted on the top of the mounting plate, and the top of the positioning frame fits with the bottom of the pump body.

[0008] By adopting the above technical solution, the pump body can be positioned to ensure the stability of the pump body during operation and to prevent it from shaking at will.

[0009] As a preferred embodiment, a latch is fixedly mounted on the inner wall of the card slot, a plug hole is formed on the inner wall of the positioning rod, and the positioning rod is plugged into the inner wall of the plug hole.

[0010] By adopting the above technical solution, the positioning rod can be positioned at the inner wall of the slot to ensure that it will not be arbitrarily deviated from the position.

[0011] As a preferred embodiment, the number of the card slots, positioning rods, square slots and blocks is three, and the three positioning rods are inserted into the inner wall positions of the three card slots, the outer edge of the diaphragm is fixedly connected to the three blocks, and the three blocks are inserted into the inner wall positions of the three square slots.

[0012] By adopting the above technical solution, the block can be inserted into the inner wall of the square groove and the diaphragm can be positioned inside the three positioning rods. At the same time, the positioning rods can be inserted into the inner wall of the slot to ensure quick installation of the diaphragm.

[0013] As a preferred embodiment, the groove is adapted to the shape of the positioning rod, the inner side of the threaded ring is in contact with the side of the positioning rod away from the latch, and the diaphragm is arranged in the inner cavity of the accommodating chamber.

[0014] By adopting the above technical solution, the positioning rod can be inserted into the inner wall position of the pin without shaking at will, and the positioning rod can be abutted against the threaded ring to ensure that it will not fall off at will. After removing the threaded ring, the positioning rod and the diaphragm can be quickly taken out, which facilitates the replacement and maintenance of the diaphragm.

[0015] As a preferred implementation, the upper portion of the bracket is in an arc shape, and the outer edge of the motor is fixedly connected to the arc shape of the top of the bracket.

[0016] By adopting the above technical solution, the motor can be positioned to ensure that the motor is stably set at the top position of the mounting plate, thereby ensuring that it will not move out of position at will.

[0017] Beneficial effects of this application:

[0018] 1. A sealed reciprocating pump, by moving the threaded ring and the sealing cover out to the outside, the positioning rod and the diaphragm can be moved out of the inner wall position of the containing chamber, thereby facilitating the replacement and maintenance of the diaphragm, thereby solving the problem that the existing device is not convenient for disassembly and maintenance of the diaphragm, resulting in low efficiency of users when replacing and maintaining the diaphragm, which will greatly delay the work efficiency of the staff. By plugging the block into the inner wall position of the square groove, and then plugging the three positioning rods into the inner wall positions of the three card slots, the sealing cover can be taken to tighten the threaded ring to the inner wall position of the containing chamber until the inner side of the sealing cover abuts against the outer side of the positioning rod, thereby completing the quick installation of the positioning rod and the diaphragm.

[0019] 2. The sealed reciprocating pump makes it easier for the user to manually rotate the sealing cover by using the provided protrusions, so that when the threaded ring and the sealing cover need to be disassembled, no professional auxiliary tools are needed, and the disassembly can be completed manually, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the three-dimensional structure of this application;

[0021] Figure 2 This is a schematic diagram of the expanded structure of this application;

[0022] Figure 3 This is a structural diagram of another perspective of this application;

[0023] Figure 4 For this application Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 5 This is a schematic diagram of the square groove structure of this application.

[0025] Numbers in the figure: 1. Mounting plate; 2. Bracket; 3. Motor; 4. Reducer; 5. Pump body; 6. Positioning frame; 7. Receiving chamber; 8. Slot; 9. Latch; 10. Positioning rod; 11. Square groove; 12. Block; 13. Diaphragm; 14. Threaded ring; 15. Sealing cover; 16. Protrusion. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0027] Reference Figure 1-5A sealed reciprocating pump comprises a mounting plate 1, a bracket 2 is fixedly mounted on the top of the mounting plate 1, a motor 3 is fixedly mounted on the top of the bracket 2, a reduction box 4 is fixedly connected to the output end of the motor 3, a pump body 5 is fixedly connected to the end of the reduction box 4 away from the motor 3, a accommodating chamber 7 is fixedly connected to the end of the pump body 5 away from the reduction box 4, a card slot 8 is provided on the outer side of the accommodating chamber 7, a positioning rod 10 is inserted into the inner wall of the card slot 8, a square slot 11 is provided on the inner side of the positioning rod 10, a square block 12 is inserted into the inner wall of the square slot 11, a diaphragm 13 is fixedly connected to the side of the square block 12 away from the square slot 11, a threaded ring 14 is threadedly connected to the inner wall of the accommodating chamber 7, a sealing cover 15 is fixedly mounted on the outer side of the threaded ring 14, and a plurality of protrusions 16 are fixedly mounted on the outer edge of the sealing cover 15.

[0028] See also Figure 1 A positioning frame 6 is fixedly mounted on the top of the mounting plate 1, and the top of the positioning frame 6 fits with the bottom of the pump body 5, so that the pump body 5 can be positioned to ensure the stability of the pump body 5 during operation and to prevent it from shaking at will.

[0029] See also Figure 3 and Figure 4 The inner wall of the card slot 8 is fixedly equipped with a latch 9, and the inner wall of the positioning rod 10 is provided with a socket. The positioning rod 10 is inserted into the inner wall position of the socket, so that the positioning rod 10 can be positioned at the inner wall position of the card slot 8 to ensure that it will not be arbitrarily displaced from the position.

[0030] See also Figure 3 and Figure 5 The number of the card slots 8, the positioning rods 10, the square slots 11 and the blocks 12 are all three, and the three positioning rods 10 are inserted into the inner wall positions of the three card slots 8, the outer edge of the diaphragm 13 is fixedly connected to the three blocks 12, and the three blocks 12 are inserted into the inner wall positions of the three square slots 11, so that the blocks 12 can be inserted into the inner wall positions of the square slots 11 and then the diaphragm 13 can be positioned at the inner side positions of the three positioning rods 10, and at the same time, the positioning rods 10 can be inserted into the inner wall positions of the card slots 8 to ensure the quick installation of the diaphragm 13.

[0031] See also Figure 3 and Figure 5 The shape of the card slot 8 is adapted to that of the positioning rod 10, the inner side of the threaded ring 14 is in contact with the side of the positioning rod 10 away from the latch 9, and the diaphragm 13 is arranged in the inner cavity position of the accommodating chamber 7, so that the positioning rod 10 can be plugged into the inner wall position of the latch 9 without shaking at will, and the threaded ring 14 can be used to abut the positioning rod 10 to ensure that it will not fall off at will, and after removing the threaded ring 14, the positioning rod 10 and the diaphragm 13 can be quickly taken out, which makes it easy to replace and maintain the diaphragm 13.

[0032] See also Figure 1The top of the bracket 2 is in an arc shape, and the outer edge of the motor 3 is fixedly connected to the arc shape at the top of the bracket 2, so that the motor 3 can be positioned to ensure that the motor 3 is stably set at the top position of the mounting plate 1, thereby ensuring that it will not be out of position at will.

[0033] Working principle: When using the device, the protrusion 16 can be rotated first to drive the threaded ring 14 and the sealing cover 15 to rotate, and then the positioning rod 10 and the diaphragm 13 can be moved out of the inner wall position of the accommodating chamber 7, so as to facilitate the replacement and maintenance of the diaphragm 13, and no professional auxiliary tools are required. When installing the diaphragm 13, the block 12 is first inserted into the inner wall position of the square groove 11, and then the three positioning rods 10 are inserted into the inner wall positions of the three card slots 8 until the positioning rod 10 is inserted into the inner wall position of the latch 9, until the side of the positioning rod 10 away from the latch 9 is in the same plane as the outer side of the accommodating chamber 7, and then the sealing cover 15 can be taken to tighten the threaded ring 14 to the inner wall position of the accommodating chamber 7 until the inner side of the sealing cover 15 abuts against the outer side of the positioning rod 10, thereby supporting and positioning the positioning rod 10 to ensure that it will not be out of position at will, and the provided protrusion 16 makes it convenient for the user to exert force with his hand and to manually rotate the sealing cover 15.

[0034] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A sealed reciprocating pump, comprising a mounting plate (1), characterized in that: A bracket (2) is fixedly mounted on the top of the mounting plate (1), a motor (3) is fixedly mounted on the top of the bracket (2), an output end of the motor (3) is fixedly connected to a reduction box (4), an end of the reduction box (4) away from the motor (3) is fixedly connected to a pump body (5), an end of the pump body (5) away from the reduction box (4) is fixedly connected to a storage bin (7), a slot (8) is provided on the outside of the storage bin (7), a positioning rod (10) is inserted into the inner wall of the slot (8), a square slot (11) is provided on the inside of the positioning rod (10), a square block (12) is inserted into the inner wall of the square slot (11), a diaphragm (13) is fixedly connected to the side of the square block (12) away from the square slot (11), a threaded ring (14) is threadedly connected to the inner wall of the storage bin (7), a sealing cover (15) is fixedly mounted on the outside of the threaded ring (14), and a plurality of protrusions (16) are fixedly mounted on the outer edge of the sealing cover (15).

2. A sealed reciprocating pump according to claim 1, characterized in that: A positioning frame (6) is fixedly mounted on the top of the mounting plate (1), and the top of the positioning frame (6) fits in with the bottom of the pump body (5).

3. A sealed reciprocating pump according to claim 1, characterized in that: The inner wall of the card slot (8) is fixedly equipped with a latch pin (9), the inner wall of the positioning rod (10) is provided with an insertion hole, and the positioning rod (10) is inserted into the inner wall of the insertion hole.

4. A sealed reciprocating pump according to claim 1, characterized in that: The number of the card slots (8), positioning rods (10), square slots (11) and square blocks (12) is three, and the three positioning rods (10) are inserted into the inner wall positions of the three card slots (8), the outer edge of the diaphragm (13) is fixedly connected to the three square blocks (12), and the three square blocks (12) are inserted into the inner wall positions of the three square slots (11).

5. A sealed reciprocating pump according to claim 1, characterized in that: The shape of the clamping groove (8) matches that of the positioning rod (10), the inner side of the threaded ring (14) abuts against a side of the positioning rod (10) away from the latch pin (9), and the diaphragm (13) is arranged at an inner cavity position of the accommodating chamber (7).

6. A sealed reciprocating pump according to claim 1, characterized in that: The top of the bracket (2) is in an arc shape, and the outer edge of the motor (3) is fixedly connected to the arc shape at the top of the bracket (2).

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