CN220118319U - High-tightness gear pump - Google Patents

Abstract

The utility model discloses a high-tightness gear pump which comprises a pump body, a sealing mechanism and a stabilizing mechanism, wherein one end of the outer wall of the pump body is fixedly provided with a transmission shaft, the front end and the rear end of the pump body are respectively provided with a connecting end, the sealing mechanism is arranged at the front end and the rear end of the pump body, the stabilizing mechanism is arranged at the top end of the outer wall of the pump body, the high-tightness gear pump is arranged through the sealing mechanism, after the connecting ends of the pump body are fixedly connected with two groups of transmission pipelines in a matched mode, the transmission shaft is connected with a transmission device, the transmission device drives the transmission shaft to work in a matched mode, media in the transmission pipelines are transmitted, two groups of sealing sleeves are attached under the movable structure of a sliding block matched fixing frame, the connecting positions of the connecting ends and the transmission pipelines are fixed in an extruded mode, the sealing effect of the connecting positions is improved, and the occurrence of liquid leakage is reduced.

Description

High-tightness gear pump

Technical Field

The utility model belongs to the technical field of gear pumps, and particularly relates to a high-tightness gear pump.

Background

The gear pump is used for conveying liquid or pressurizing the liquid by means of the change and movement formed between the pump cylinder and the meshing gears, two closed spaces are formed by two pump bodies and a front cover and a rear cover, when the gears rotate, the volume of the space at the disengaging side of the gears is changed from small to large, vacuum is formed, liquid is sucked, the volume of the space at the meshing side of the gears is changed from large to small, the liquid is extruded into a pipeline, a suction cavity and a discharge cavity are separated by the meshing line of the two gears, the pressure of the discharge port of the gear pump completely depends on the resistance at the position of the pump outlet, and in order to improve the sealing effect and the working stability of the connecting end of the gear pump, the gear pump with high sealing performance is required.

The gear pump that uses at present all exists, and the link of pump body both sides lacks sealed effect, and the vibrations that in use pump body during operation produced lead to the link junction to produce not hard up easily, and then take place the problem of weeping.

Disclosure of Invention

The utility model aims to provide a high-tightness gear pump so as to solve the problems that the currently used gear pumps in the background art all have the problem that the connecting ends at two sides of a pump body lack sealing effect, and the connecting parts of the connecting ends are easy to loosen due to vibration generated when the pump body works in use, so that liquid leakage occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-tightness gear pump comprises a pump body, a sealing mechanism and a stabilizing mechanism, wherein one end of the outer wall of the pump body is fixedly provided with a transmission shaft, the front end and the rear end of the pump body are respectively provided with a connecting end, the sealing mechanism is arranged at the front end and the rear end of the pump body, and the stabilizing mechanism is arranged at the top end of the outer wall of the pump body.

Preferably, the sealing mechanism comprises a fixing frame, a sliding block, a moving block, a sealing sleeve and a locking bolt, wherein the fixing frame is arranged at one end of the outer wall of the pump body, the sliding block is sleeved on the inner wall of the fixing frame, one end of the outer wall of the sliding block is connected with the moving block, the upper end of the outer wall of the moving block is connected with the sealing sleeve, and the other end of the outer wall of the sliding block is connected with the locking bolt.

Preferably, the sealing sleeve and the fixing frame form a movable structure through the sliding block, and the outer wall of the sliding block is tightly attached to the inner wall of the fixing frame.

Preferably, the stabilizing mean includes spacer bush, constant head tank, screw rod, changes handle and kicking block, the spacer bush sets up on the outer wall top of the pump body, and the constant head tank has been seted up to the spacer bush inner wall, the constant head tank inner wall is connected with the screw rod, and the screw rod top is provided with changes the handle, it is connected with the kicking block to change the handle top.

Preferably, the screw rod is in threaded connection with the positioning groove, and the inner wall of the positioning groove and the outer wall of the screw rod are provided with matched threads.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the high-tightness gear pump, through the arrangement of the sealing mechanism, after the pump body matched connection end is connected and fixed with two groups of transmission pipelines, the transmission shaft is connected with the transmission device, the transmission device drives the transmission shaft matched gear piece to work, and media in the transmission pipelines are transmitted, wherein the two groups of sealing sleeves can be attached under the movable structure of the sliding block matched fixing frame, the connection position of the connection end and the transmission pipelines is extruded and fixed, and the locking bolt is used for fixing, so that the sealing effect of the connection part is improved, the occurrence of liquid leakage is reduced, and the sealing effect and the working stability of the device are effectively improved;

2. this high leakproofness gear pump, through stabilizing mean's setting, such setting can be when fixing the device into the equipment box, can rotate under the threaded connection of screw rod and constant head tank, rotate the commentaries on classics handle, thereby control screw rod highly in the constant head tank, can drive the kicking block and upwards move, contradict kicking block and equipment box top, play spacing fixed effect, reduce the vibrations that the pump body produced at work, improved the job stabilization nature and the practicality of the device effectively.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the sealing mechanism of the present utility model;

fig. 3 is a schematic diagram of a connection structure of the stabilizing mechanism of the present utility model.

In the figure: 1. a pump body; 2. a transmission shaft; 3. a connection end; 4. a sealing mechanism; 401. a fixing frame; 402. a slide block; 403. a moving block; 404. sealing sleeve; 405. a locking bolt; 5. a stabilizing mechanism; 501. a positioning sleeve; 502. a positioning groove; 503. a screw; 504. a rotating handle; 505. and (5) a top block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the high-tightness gear pump comprises a pump body 1, a sealing mechanism 4 and a stabilizing mechanism 5, wherein one end of the outer wall of the pump body 1 is fixedly provided with a transmission shaft 2, the front end and the rear end of the pump body 1 are respectively provided with a connecting end 3, the sealing mechanism 4 is arranged at the front end and the rear end of the pump body 1, the sealing mechanism 4 comprises a fixed frame 401, a sliding block 402, a moving block 403, a sealing sleeve 404 and a locking bolt 405, the fixed frame 401 is arranged at one end of the outer wall of the pump body 1, the inner wall of the fixed frame 401 is sleeved with the sliding block 402, one end of the outer wall of the sliding block 402 is connected with the moving block 403, the upper end of the outer wall of the moving block 403 is connected with the sealing sleeve 404, the other end of the outer wall of the sliding block 402 is connected with the locking bolt 405, the sealing sleeve 404 forms a movable structure with the fixed frame 401 through the sliding block 402, the outer wall of the sliding block 402 is tightly attached to the inner wall of the fixing frame 401, after the pump body 1 is matched with the connecting end 3 to be connected and fixed with two groups of transmission pipelines, the transmission shaft 2 is connected with a transmission device, the transmission device drives the transmission shaft 2 to work by being matched with a gear piece, and media in the transmission pipelines are transmitted, wherein two groups of sealing sleeves 404 are attached to the connecting position of the connecting end 3 and the transmission pipelines through the movable structure of the sliding block 402 matched with the fixing frame 401, and the connecting position is extruded and fixed by using the locking bolt 405, so that the sealing effect of the connecting position is improved, the occurrence of liquid leakage is reduced, and the sealing effect and the working stability of the device are effectively improved;

the stabilizing mean 5 is installed on the outer wall top of the pump body 1, stabilizing mean 5 includes the spacer 501, the constant head tank 502, the screw 503, change the 504 and kicking block 505, the spacer 501 sets up on the outer wall top of the pump body 1, and the constant head tank 502 has been seted up to the spacer 501 inner wall, the constant head tank 502 inner wall is connected with the screw 503, and the screw 503 top is provided with changes the 504, change and be threaded connection between 504 and the constant head tank 502, and the assorted screw thread has all been seted up to the constant head tank 502 inner wall and the screw 503 outer wall, such setting can be when fixing the device into the equipment box in, can rotate under the threaded connection through screw 503 and constant head tank 502, thereby control the height of screw 503 in the constant head tank 502, can drive kicking block 505 and the upward movement of equipment box top, play spacing fixed effect, reduce the vibrations that pump body 1 produced at work, the job stabilization nature and practicality of the device have been improved effectively.

Working principle: when the high-tightness gear pump is needed to be used, firstly, when the device is fixed in an equipment box body, the rotating handle 504 can be rotated under the threaded connection of the screw 503 and the positioning groove 502, so that the height of the screw 503 in the positioning groove 502 can be controlled, the ejector block 505 can be driven to move upwards, the ejector block 505 is abutted against the top end of the equipment box body, the effect of limiting and fixing is achieved, vibration generated by the pump body 1 in work is reduced, secondly, after the pump body 1 is matched with the connecting end 3 to be connected and fixed with two groups of transmission pipelines, the transmission shaft 2 is connected with the transmission device, the transmission device drives the transmission shaft 2 to be matched with a gear piece to work, media in the transmission pipelines are transmitted, two groups of sealing sleeves 404 can be attached under the movable structure of the sliding block 402 matched with the fixing frame 401, the connecting position of the connecting end 3 and the transmission pipelines are extruded and fixed by using the locking bolt 405, the sealing effect of the connecting part is improved, and the condition of liquid leakage is reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. High leakproofness gear pump, its characterized in that: including pump body (1), sealing mechanism (4) and stabilizing mean (5), pump body (1) outer wall one end is fixed with transmission shaft (2), link (3) have all been seted up at both ends around pump body (1), both ends around pump body (1) are installed in sealing mechanism (4), stabilizing mean (5) are installed on the outer wall top of pump body (1).

2. The high tightness gear pump of claim 1 wherein: sealing mechanism (4) are including mount (401), slider (402), movable block (403), seal cover (404) and locking bolt (405), mount (401) are installed in the outer wall one end of the pump body (1), and mount (401) inner wall cover is equipped with slider (402), slider (402) outer wall one end is connected with movable block (403), and movable block (403) outer wall upper end is connected with seal cover (404), slider (402) outer wall other end is connected with locking bolt (405).

3. The high tightness gear pump of claim 2 wherein: the sealing sleeve (404) and the fixing frame (401) form a movable structure through the sliding block (402), and the outer wall of the sliding block (402) is tightly attached to the inner wall of the fixing frame (401).

4. The high tightness gear pump of claim 1 wherein: the stabilizing mean (5) is including spacer sleeve (501), constant head tank (502), screw rod (503), commentaries on classics handle (504) and kicking block (505), spacer sleeve (501) set up on the outer wall top of pump body (1), and spacer sleeve (501) inner wall has seted up constant head tank (502), spacer sleeve (502) inner wall is connected with screw rod (503), and screw rod (503) top is provided with changes handle (504), it is connected with kicking block (505) to change handle (504) top.

5. The high tightness gear pump according to claim 4, wherein: the screw rod (503) is in threaded connection with the positioning groove (502), and matched threads are formed on the inner wall of the positioning groove (502) and the outer wall of the screw rod (503).