Diaphragm type liquid medicine quantitative pump

Abstract

The utility model relates to the technical field of pumps, and discloses a diaphragm type liquid medicine constant delivery pump which comprises a diaphragm type constant delivery pump body, an isolation cover body is arranged at the bottom of the diaphragm type constant delivery pump body, a mounting box body is arranged under the isolation cover body, mounting blocks are connected to the two sides of the bottom of the mounting box body, and the diaphragm type constant delivery pump body is arranged in the mounting box body. Mounting holes are formed in the multiple mounting blocks, a pump head of the diaphragm type quantitative pump body penetrates through the left side wall of the isolation cover body, a lead screw is arranged in the middle of the interior of the mounting box body, and a supporting seat is mounted at the upper end of the lead screw. According to the utility model, the mounting box body, the lead screw, the supporting seat, the bearing seat, the bearing, the hand wheel, the lead screw nut, the nut seat, the sliding block, the guide groove track and the hand wheel are arranged and are matched with one another, so that the height of the diaphragm type quantitative pump body can be adjusted according to different mounting environments, and the flexibility of the pump is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of pumps, in particular to a diaphragm type liquid medicine quantitative pump. Background Art

[0002] The diaphragm metering pump uses a specially designed and processed flexible diaphragm to replace the piston, and realizes reciprocating motion under the action of the driving mechanism to complete the suction and discharge process. When the liquid medicine is sucked in and discharged, the diaphragm metering pump is used.

[0003] The existing diaphragm type liquid medicine metering pump cannot adjust the height according to different installation environments during use, which makes the pump less flexible. Secondly, it is impossible to isolate and protect the parts of the pump that are easily damaged by impact, resulting in low safety during use. Therefore, there is an urgent need for a diaphragm type liquid medicine metering pump to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a diaphragm type liquid medicine metering pump to solve the problem that the existing diaphragm type liquid medicine metering pump proposed in the above background technology cannot adjust the height of the diaphragm type metering pump according to different installation environments during use, making the flexibility of the pump weak. Secondly, the parts of the pump that are easily damaged by impact cannot be isolated and protected, resulting in low safety during use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A diaphragm type quantitative pump for liquid medicine comprises a diaphragm type quantitative pump body, an isolation cover is arranged at the bottom of the diaphragm type quantitative pump body, a mounting box is arranged directly below the isolation cover, mounting blocks are connected to both sides of the bottom of the mounting box, a plurality of mounting blocks are provided with mounting holes, a pump head of the diaphragm type quantitative pump body passes through the left side wall of the isolation cover, a screw rod is arranged in the middle of the interior of the mounting box, a support seat is installed at the upper end of the screw rod, a rear end of the support seat is connected to the rear end surface of the interior of the mounting box, and the mounting box A bearing seat is embedded in the middle of the bottom, a bearing is installed in the bearing seat, the lower end of the screw rod is connected to the axis of the bearing, the lower end of the screw rod passes through the bearing and is connected to the handwheel, the middle of the screw rod is connected to a nut seat through a screw nut, the left and right ends of the nut seat are connected to sliders, one end of the two sliders is provided with a guide groove track, the upper surfaces of the two sliders are connected to lifting columns, the upper ends of the two lifting columns are connected to the bottom of the isolation cover, and the bottoms of the two guide groove tracks are connected to the inner bottom of the installation box.

[0007] As a preferred technical solution of the utility model, a groove is provided in the middle of the bottom of the installation box, and the hand wheel is located in the groove.

[0008] As a preferred technical solution of the utility model, one end of the two sliding blocks extends to the bottom of the groove of the guide groove track.

[0009] As a preferred technical solution of the utility model, the two lifting columns are arranged symmetrically about the left and right axes of the screw rod.

[0010] As a preferred technical solution of the utility model, the number of the mounting blocks is set to four, and the four mounting blocks are arranged opposite to each other in pairs with respect to the mounting box.

[0011] As a preferred technical solution of the utility model, the two sliding blocks can move up and down along the groove of the guide groove track.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model comprises an installation box, a screw rod, a support seat, a bearing seat, a bearing, a hand wheel, a screw rod nut, a nut seat, a slider, a guide groove track and a hand wheel, and utilizes the mutual cooperation between them to adjust the height of the diaphragm type quantitative pump body according to different installation environments, so that the flexibility of the pump is enhanced.

[0014] 2. The utility model provides an isolation cover body, thereby isolating and protecting the easily impact-damaged parts of the diaphragm type quantitative pump body, thereby improving the safety during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the overall structure of the installation box of the utility model;

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0019] In the figure: 1. Diaphragm type quantitative pump body; 2. Isolation cover; 3. Mounting box; 4. Mounting block; 5. Groove; 6. Screw rod; 7. Nut seat; 8. Slider; 9. Guide groove track; 10. Lifting column; 11. Hand wheel; 12. Bearing seat; 13. Bearing; 14. Mounting hole; 15. Support seat. DETAILED DESCRIPTION

[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.

[0021] See also Figure 1-3 A diaphragm type quantitative pump for liquid medicine comprises a diaphragm type quantitative pump body 1, an isolation cover body 2 is arranged at the bottom of the diaphragm type quantitative pump body 1, a mounting box body 3 is arranged directly below the isolation cover body 2, mounting blocks 4 are connected to both sides of the bottom of the mounting box body 3, and mounting holes 14 are opened on multiple mounting blocks 4. The pump head of the diaphragm type quantitative pump body 1 passes through the left side wall of the isolation cover body 2, a screw rod 6 is arranged in the middle of the interior of the mounting box body 3, a support seat 15 is installed at the upper end of the screw rod 6, and the rear end of the support seat 15 is connected to the rear end surface of the interior of the mounting box body 3. A bearing seat 12 is embedded in the middle, and a bearing 13 is installed in the bearing seat 12. The lower end of the screw rod 6 is connected to the axis of the bearing 13, and the lower end of the screw rod 6 passes through the bearing 13 and is connected to the handwheel 11. The middle of the screw rod 6 is connected to a nut seat 7 through a screw nut, and sliders 8 are connected to the left and right ends of the nut seat 7. One end of the two sliders 8 is provided with a guide groove track 9, and the upper surfaces of the two sliders 8 are connected to lifting columns 10. The upper ends of the two lifting columns 10 are connected to the bottom of the isolation cover 2, and the bottoms of the two guide groove tracks 9 are connected to the inner bottom of the installation box 3.

[0022] A groove 5 is provided in the middle of the bottom of the installation box 3 , and the hand wheel 11 is located in the groove 5 .

[0023] One end of the two sliding blocks 8 extends to the bottom of the groove of the guide groove track 9 .

[0024] The two lifting columns 10 are arranged symmetrically about the screw rod 6 .

[0025] The number of the mounting blocks 4 is four, and the four mounting blocks 4 are arranged opposite to each other in pairs with respect to the mounting box 3 .

[0026] The two slide blocks 8 can move up and down along the groove of the guide groove track 9.

[0027] The working principle and use process of the utility model are as follows: first, during installation, the height of the diaphragm quantitative pump body 1 is adjusted according to the installation environment. During adjustment, the hand wheel 11 is manually turned to drive the screw 6 to rotate, so that the rotating screw 6 drives the nut seat 7 to move upward through the screw nut, and the nut seat 7 moving upward drives the sliders 8 on both sides to move upward along the groove of the guide groove track 9, thereby driving the lifting columns 10 on the two sliders 8 to move upward, and then the isolation cover 2 moves upward, and finally the diaphragm quantitative pump body 1 on the isolation cover 2 moves upward, thereby completing the adjustment;

[0028] By providing the isolation cover 2, the easily impacted and damaged parts of the diaphragm type quantitative pump body 1 can be isolated and protected, thereby improving the safety during use. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0029] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A diaphragm type liquid metering pump, comprising a diaphragm type metering pump body (1), characterized in that: The bottom of the diaphragm type quantitative pump body (1) is provided with an isolation cover body (2), and a mounting box body (3) is provided directly below the isolation cover body (2). Both sides of the bottom of the mounting box body (3) are connected with mounting blocks (4), and a plurality of mounting blocks (4) are provided with mounting holes (14). The pump head of the diaphragm type quantitative pump body (1) passes through the left side wall of the isolation cover body (2). A screw rod (6) is provided in the middle of the interior of the mounting box body (3), and a support seat (15) is installed on the upper end of the screw rod (6). The rear end of the support seat (15) is connected to the rear end surface of the interior of the mounting box body (3). A bearing seat (12) is embedded in the middle of the bottom of the mounting box body (3). A bearing (13) is installed in the support seat (12), the lower end of the screw rod (6) is connected to the axis of the bearing (13), the lowermost end of the screw rod (6) passes through the bearing (13) and is connected to the hand wheel (11), the middle of the screw rod (6) is connected to a nut seat (7) through a screw nut, the left and right ends of the nut seat (7) are connected to sliders (8), one end of the two sliders (8) is provided with a guide groove track (9), the upper surfaces of the two sliders (8) are connected to lifting columns (10), the upper ends of the two lifting columns (10) are connected to the bottom of the isolation cover (2), and the bottoms of the two guide groove tracks (9) are connected to the inner bottom of the installation box (3).

2. A diaphragm type liquid medicine quantitative pump according to claim 1, characterized in that: A groove (5) is provided in the middle of the bottom of the installation box (3), and the hand wheel (11) is located in the groove (5).

3. A diaphragm type liquid medicine quantitative pump according to claim 1, characterized in that: One end of the two sliding blocks (8) extends to the bottom of the groove of the guide groove track (9).

4. A diaphragm type liquid medicine quantitative pump according to claim 1, characterized in that: The two lifting columns (10) are arranged symmetrically about the left and right axes of the screw rod (6).

5. A diaphragm type liquid medicine quantitative pump according to claim 1, characterized in that: The number of the mounting blocks (4) is set to four, and the four mounting blocks (4) are arranged in pairs relative to the mounting box (3).

6. A diaphragm type liquid medicine quantitative pump according to claim 1, characterized in that: The two slide blocks (8) can move up and down along the groove of the guide groove track (9).

Images