Chemical pump shaft sleeve

Abstract

The utility model discloses a chemical pump shaft sleeve which comprises a lower seat, the left side and the right side of the top of the lower seat are fixedly connected with an upper seat, a through groove is formed in the side edge of the bent end of the upper seat, a connecting shaft is installed at the notch position of the through groove, and a gear box is fixedly connected to the middle position of the upper surface of the lower seat. According to the chemical pump shaft sleeve, after the lead screw rotates, the lead screw barrel with the threads on the outer wall of the lead screw moves up and down, the push rod connected to the upper surface of the connecting rod also moves up and down and is used for supporting the shaft sleeve, the penetrating groove formed in the side edge of the upper base is used for being matched with the connecting shaft, the shaft sleeve and the connecting shaft are integrated, and therefore stable supporting of the shaft sleeve is achieved.

Description

Technical Field

[0001] The utility model relates to the field of chemical pumps, in particular to a chemical pump shaft sleeve. Background Art

[0002] The chemical pump is an energy-saving pump designed jointly by the whole country. The performance of the pump is reasonable, the layout of the whole series of hydraulic performance is reasonable, the user has a wide range of choices, the "back-opening" structure is convenient for maintenance, and the efficiency and suction range have reached the international advanced level.

[0003] At present, after the chemical pump is put into use, the installation position of the chemical pump shaft sleeve is not stable, and the vibration of the drive shaft during use of the pump body will affect the life of the motor.

[0004] However, the traditional chemical pump shaft sleeve currently on the market has an insufficiently optimized structure and an unreasonable design. Utility Model Content

[0005] The purpose of the utility model is to provide a chemical pump shaft sleeve to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A chemical pump sleeve comprises a lower seat, the top left and right sides of the lower seat are fixedly connected to the upper seat, the curved end side of the upper seat is provided with a through groove, the notch of the through groove is installed with a connecting shaft, the upper surface center part of the lower seat is fixedly connected to a gear box, the top center part of the gear box is rotatably connected to a screw rod, the outer wall of the screw rod is threadedly connected to a screw rod barrel, the left and right sides of the upper surface of the gear box are fixedly connected to vertical rods, the outer wall of the vertical rod is slidably connected to a sleeve, a connecting rod body is fixedly connected between the sleeve and the screw rod barrel, and the upper surface of the connecting rod body is fixedly connected to a push rod.

[0008] As a further solution of the present invention: the back of the gear box is rotatably connected to a turning handle, one end of the turning handle passes through the back of the gear box and extends to the inside of the gear box to be fixedly connected to a connecting rod.

[0009] As a further solution of the present invention: one end of the connecting rod is fixedly connected to bevel gear 2, the outer wall of bevel gear 2 is engaged with bevel gear 1, and the top of bevel gear 1 is fixedly connected to the bottom of the screw rod.

[0010] As a further solution of the present invention: a bearing body is installed on the outer wall of the connecting shaft, and a shaft sleeve is installed on the outer wall of the bearing body.

[0011] As a further solution of the present invention: an arc-shaped piece is fixedly connected to the top of the push rod.

[0012] As a further solution of the present invention: an extension rod is fixedly connected to the axial center portion of one end of the connecting rod close to the bevel gear, and the top of the extension rod is rotatably connected to the left wall of the inner cavity of the gear box.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model controls the rotation of the turning handle, and the connecting rod installed at the front end of the turning handle will also rotate. The bevel gear 2 installed at the front end of the connecting rod and the bevel gear 1 are displaced and meshed, which can drive the bevel gear 1 to rotate, and the screw rod connected to the top of the bevel gear 1 will also rotate. The screw rod barrel threaded on the outer wall of the screw rod is fixed through the connecting rod and the sleeve, and the vertical rod connected to the sliding inner cavity of the sleeve is used to limit the up and down displacement of the sleeve. Therefore, after the screw rod is rotated, the screw rod barrel threaded on the outer wall of the screw rod will move up and down, and the push rod connected to the upper surface of the connecting rod will also move up and down and be used to support the shaft sleeve. The through groove provided on the side of the upper seat is used to adapt to the connecting shaft, and the shaft sleeve and the connecting shaft are a whole, so as to achieve stable support of the shaft sleeve, and its structure is more optimized and the design is more reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a chemical pump sleeve.

[0016] Figure 2 This is a structural diagram of the gear box in a chemical pump shaft sleeve.

[0017] Figure 3 This is a cross-sectional view of a chemical pump sleeve.

[0018] In the figure: lower seat 1, upper seat 2, sleeve 3, gear box 4, through groove 5, connecting shaft 6, vertical rod 7, sleeve 8, connecting rod body 9, screw rod 10, screw rod tube 11, push rod 12, turning handle 13, bevel gear 1 14, connecting rod 15, bevel gear 2 16, bearing body 17. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1 to 3In the embodiment of the present utility model, a chemical pump sleeve includes a lower seat 1, the top left and right sides of the lower seat 1 are fixedly connected to the upper seat 2, the curved end side of the upper seat 2 is provided with a through groove 5, the notch of the through groove 5 is installed with a connecting shaft 6, the upper surface center part of the lower seat 1 is fixedly connected to the gear box 4, the top center part of the gear box 4 is rotatably connected to the screw rod 10, the outer wall of the screw rod 10 is threadedly connected to the screw rod tube 11, the upper surface of the gear box 4 is fixedly connected to the left and right sides, the outer wall of the vertical rod 7 is slidably connected to the sleeve 8, the sleeve 8 and the screw rod tube 11 are fixedly connected to the connecting rod body 9, and the upper surface of the connecting rod body 9 is fixedly connected to the push rod 12. The back of the gear box 4 is rotatably connected to a turning handle 13. One end of the turning handle 13 passes through the back of the gear box 4 and extends to the interior of the gear box 4 and is fixedly connected to a connecting rod 15. One end of the connecting rod 15 is fixedly connected to bevel gear 2 16. The outer wall of bevel gear 2 16 is engaged with bevel gear 14. The top of bevel gear 14 is fixedly connected to the bottom of the screw rod 10. The outer wall of the connecting shaft 6 is installed with a bearing body 17. The outer wall of the bearing body 17 is installed with a sleeve 3. The top of the push rod 12 is fixedly connected to an arc-shaped piece. The axial center part of one end of the connecting rod 15 close to the bevel gear 14 is fixedly connected to an extension rod, and the top of the extension rod is rotatably connected to the left wall of the inner cavity of the gear box 4.

[0021] The working principle of this utility model is:

[0022] When in use, the control handle 13 is rotated, and the connecting rod 15 installed at the front end of the handle 13 will also rotate. The bevel gear 2 16 installed at the front end of the connecting rod 15 and the bevel gear 1 14 are displaced and meshed, which can drive the bevel gear 14 to rotate, and the screw rod 10 connected to the top of the bevel gear 14 will also rotate. The screw rod barrel 11 threadedly connected to the outer wall of the screw rod 10 is fixed through the connecting rod body 9 and the sleeve 8. The vertical rod 7 connected to the inner cavity sliding of the sleeve 8 is used to limit the up and down displacement of the sleeve 8. Therefore, after the screw rod 10 rotates, the screw rod barrel 11 threaded on the outer wall of the screw rod 10 will move up and down, and the push rod 12 connected to the upper surface of the connecting rod body 9 will also move up and down, and is used to support the shaft sleeve 3. The through groove 5 opened on the side of the upper seat 2 is used to adapt to the connecting shaft 6, and the shaft sleeve 3 and the connecting shaft 6 are a whole, thereby achieving stable support of the shaft sleeve 3.

[0023] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A chemical pump sleeve, comprising a lower seat (1), characterized in that: The left and right sides of the top of the lower seat (1) are fixedly connected to the upper seat (2), the curved end side of the upper seat (2) is provided with a through groove (5), the notch of the through groove (5) is installed with a connecting shaft (6), the center of the upper surface of the lower seat (1) is fixedly connected to the gear box (4), the top center of the gear box (4) is rotatably connected to the screw rod (10), the outer wall of the screw rod (10) is threadedly connected to the screw rod tube (11), the left and right sides of the upper surface of the gear box (4) are fixedly connected to the vertical rod (7), the outer wall of the vertical rod (7) is slidably connected to the sleeve (8), a connecting rod body (9) is fixedly connected between the sleeve (8) and the screw rod tube (11), and the upper surface of the connecting rod body (9) is fixedly connected to a push rod (12).

2. A chemical pump shaft sleeve according to claim 1, characterized in that: The back of the gear box (4) is rotatably connected to a turning handle (13), one end of the turning handle (13) passes through the back of the gear box (4) and extends to the interior of the gear box (4) to be fixedly connected to a connecting rod (15).

3. A chemical pump shaft sleeve according to claim 2, characterized in that: One end of the connecting rod (15) is fixedly connected to a second bevel gear (16), an outer wall of the second bevel gear (16) is meshed with a first bevel gear (14), and the top of the first bevel gear (14) is fixedly connected to the bottom of the screw rod (10).

4. A chemical pump shaft sleeve according to claim 1, characterized in that: A bearing body (17) is installed on the outer wall of the connecting shaft (6), and a shaft sleeve (3) is installed on the outer wall of the bearing body (17).

5. The chemical pump shaft sleeve according to claim 1, characterized in that: The top of the push rod (12) is fixedly connected with an arc-shaped piece.

6. A chemical pump shaft sleeve according to claim 2, characterized in that: An extension rod is fixedly connected to the axial center portion of one end of the connecting rod (15) close to the bevel gear (14), and the top of the extension rod is rotatably connected to the left wall of the inner cavity of the gear box (4).

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