CN219344954U

CN219344954U - Gear for gear pump

Info

Publication number: CN219344954U
Application number: CN202223352673.2U
Authority: CN
Inventors: 张毅; 陆玉娟
Original assignee: Gaoyou Jingbiao Gear Manufacturing Co ltd
Current assignee: Gaoyou Jingbiao Gear Manufacturing Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-07-14
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a gear for a gear pump, which belongs to the technical field of gear pumps and comprises a gear, wherein the front side wall of the gear is provided with a shaft hole, the upper side and the lower side of the inside of the gear are respectively provided with a cavity, the two groups of cavities are internally provided with fixing mechanisms, each fixing mechanism comprises a threaded rod, the tops of the threaded rods are connected with each other through bearings, the outer walls of the threaded rods are sleeved with threaded sleeves, one ends of the threaded sleeves penetrate through the bottoms of the cavities and are connected with inserting blocks arranged in the shaft holes.

Description

Gear for gear pump

Technical Field

The utility model relates to the technical field of gear pumps, in particular to a gear for a gear pump.

Background

The gear pump is a rotary pump which is used for conveying liquid or pressurizing the liquid by means of working volume change and movement formed between a pump cylinder and an engaged gear, the gear pump is a device for converting mechanical energy into hydraulic energy, the device provides liquid with certain pressure and flow for a hydraulic system, and is an important component of the hydraulic system, because gears used by the gear pump are worn out after long-time use, the gears need to be detached and replaced regularly, most gears used by the existing gear pump are connected with a shaft through splines, and the disassembling and assembling processes are very troublesome, so that gears used by the gear pump are needed.

Disclosure of Invention

The present utility model is directed to a gear for a gear pump, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gear that gear pump was used, includes the gear, the shaft hole has been seted up to the gear front side wall, the cavity has all been seted up to the inside upper and lower both sides of gear, two sets of all be equipped with fixed establishment in the cavity, fixed establishment includes the threaded rod that the top was equipped with through the bearing connection in the cavity, threaded rod outer wall cup joints threaded sleeve, threaded sleeve one end runs through the cavity in the bottom and is connected with the inserted block that is equipped with in the shaft hole, threaded rod outer wall cup joints the installation and is equipped with driven bevel gear, be equipped with the initiative bevel gear with driven bevel gear engaged with in the cavity, initiative bevel gear front side wall is equipped with the pivot, pivot one end runs through the interior front side wall of cavity and is connected with the adjust knob that the outside was equipped with.

Further, the inner wall of the shaft hole is provided with a buffer layer, and the inner wall of the buffer layer is provided with a wear-resistant layer.

Further, grooves are formed in the upper side and the lower side of the inner wall of the wear-resistant layer, and the insert is matched with the grooves.

Further, sliding grooves are formed in the left side wall and the right side wall in the cavity, and sliding blocks matched with the sliding grooves are arranged on the left side wall and the right side wall of the threaded sleeve.

Furthermore, the gear surface is provided with an anti-corrosion layer.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses under the cooperation of the jack of seting up on fixed establishment and gear shaft (the gear is connected with the epaxial axle of gear pump, has seted up the jack on the gear shaft), can be quick install the gear on the gear shaft, can improve the wearability between gear and the gear shaft under the effect of wearing layer, when the gear shaft rotates and receives the vibration, can absorb the vibration under the effect of buffer layer to can cushion the gear, the noise is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a left side view of the internal structure of the cavity of the present utility model.

In the figure: 1. a gear; 2. a shaft hole; 3. a buffer layer; 4. a wear-resistant layer; 5. a fixing mechanism; 50. a driven bevel gear; 51. a drive bevel gear; 52. an adjustment knob; 53. a rotating shaft; 54. a threaded rod; 55. a sliding block; 56. a sliding groove; 57. a threaded sleeve; 58. inserting blocks; 6. a cavity; 7. a groove.

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.

Example 1:

referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a gear that gear pump was used, including gear 1, shaft hole 2 has been seted up to gear 1 front side wall, cavity 6 has all been seted up to the inside upper and lower both sides of gear 1, all be equipped with fixed establishment 5 in two sets of cavities 6, fixed establishment 5 includes the threaded rod 54 that the top was equipped with through the bearing connection in cavity 6, threaded rod 54 outer wall cup joints has threaded sleeve 57, threaded sleeve 57 one end runs through cavity 6 in bottom and the inserted block 58 that is equipped with in shaft hole 2 is connected, sliding groove 56 has all been seted up to cavity 6 in the side wall about, threaded sleeve 57 side wall about all is equipped with sliding groove 56 assorted sliding block 55, make threaded sleeve 57 remove more stably at threaded rod 54 outer wall under the effect of sliding groove 56 and sliding block 55, the installation is equipped with driven bevel gear 50 in the threaded rod 54 outer wall cup joint, be equipped with the initiative bevel gear 51 that meshes with driven bevel gear 50 in the cavity 6, initiative bevel gear 51 front side wall is equipped with pivot 53, pivot 53 one end runs through cavity 6 inner front side wall and is connected with the adjusting knob 52 that the outside is equipped with.

Referring to fig. 1, the inner wall of the shaft hole 2 is provided with a buffer layer 3, the inner wall of the buffer layer 3 is provided with a wear-resistant layer 4, grooves 7 are formed in the upper side and the lower side of the inner wall of the wear-resistant layer 4, the insert blocks 58 are matched with the grooves 7, the insert blocks 58 can be stored under the action of the grooves 7, the shaft hole 2 is ensured to be sleeved on a gear pump shaft, the wear resistance between the gear 1 and a gear shaft can be improved under the action of the wear-resistant layer 4, when the gear shaft rotates to vibrate, vibration can be absorbed under the action of the buffer layer 3, so that the gear 1 can be buffered, and noise is reduced.

Example 2:

referring to fig. 1, based on the above embodiment: the gear 1 is provided with an anti-corrosion layer on the surface, so that the anti-corrosion effect of the gear 1 can be improved under the action of the anti-corrosion layer, and the service life of the gear 1 is prolonged.

Working principle: when the gear 1 needs to be installed, the shaft hole 2 is sleeved on the gear shaft, the gear 1 is easy to move to a corresponding position, then a worker rotates the adjusting knob 52 to drive the rotating shaft 53 to rotate, the rotating shaft 53 drives the driving bevel gear 51 to rotate, the driving bevel gear 51 drives the driven bevel gear 50 to rotate, the driven bevel gear 50 drives the threaded rod 54 to rotate, the threaded sleeve 57 moves downwards on the outer wall of the threaded rod 54 under the action of the sliding block 55 and the sliding groove 56, the threaded sleeve 57 drives the inserting block 58 to be inserted into an inserting hole on the gear shaft (the gear 1 is connected with a shaft on the gear pump, and the inserting hole matched with the inserting block 58 is formed in the gear shaft), so that the installation of the gear 1 is completed, the abrasion resistance between the gear 1 and the gear shaft can be improved under the action of the abrasion-resistant layer 4, when the gear shaft rotates to vibrate, vibration can be absorbed under the action of the buffer layer 3, and noise can be 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

1. The utility model provides a gear that gear pump was used, includes gear (1), shaft hole (2) have been seted up to the lateral wall before gear (1), its characterized in that: cavity (6) have all been seted up to both sides about gear (1) inside, two sets of all be equipped with fixed establishment (5) in cavity (6), fixed establishment (5) are including threaded rod (54) that the top was equipped with through the bearing connection in cavity (6), threaded rod (54) outer wall cup joints threaded sleeve (57), threaded sleeve (57) one end runs through bottom in cavity (6) and is connected with inserted block (58) that are equipped with in shaft hole (2), threaded rod (54) outer wall cup joints the installation and is equipped with driven bevel gear (50), be equipped with in cavity (6) with driven bevel gear (50) engaged with initiative bevel gear (51), initiative bevel gear (51) front wall is equipped with pivot (53), pivot (53) one end runs through preceding lateral wall in cavity (6) and is connected with adjust knob (52) that outside is equipped with.

2. A gear for a gear pump according to claim 1, wherein: the inner wall of the shaft hole (2) is provided with a buffer layer (3), and the inner wall of the buffer layer (3) is provided with a wear-resistant layer (4).

3. A gear for a gear pump according to claim 2, wherein: grooves (7) are formed in the upper side and the lower side of the inner wall of the wear-resistant layer (4), and the inserting blocks (58) are matched with the grooves (7).

4. A gear for a gear pump according to claim 1, wherein: sliding grooves (56) are formed in the left side wall and the right side wall in the cavity (6), and sliding blocks (55) matched with the sliding grooves (56) are arranged on the left side wall and the right side wall of the threaded sleeve (57).

5. A gear for a gear pump according to claim 1, wherein: an anti-corrosion layer is arranged on the surface of the gear (1).