Gear pump with noise reduction function

Abstract

The utility model discloses a gear pump with a noise reduction function, which relates to the technical field of gear pumps and comprises a gear pump component, a noise reduction mechanism is mounted outside the gear pump component and comprises a noise reduction shell, and a sound insulation pad is fixedly connected into the noise reduction shell. The connecting shell is sleeved with the sound insulation pad, noise transmission in the connecting shell can be reduced, cooling and heat dissipation are conducted on work of the gear pump assembly through cooperation of heat dissipation holes and heat dissipation fins, and meanwhile sound generated by work of the gear pump assembly can be further absorbed and weakened through sound absorption sponge strips; heat dissipation can be carried out while sound insulation and noise reduction are carried out on the gear pump assembly, and equipment performance reduction caused by too high temperature is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear pump technical field especially relates to a gear pump with noise reduction function. BACKGROUND

[0002] Gear pump is the rotary pump that relies on the work volume change and removal between pump cylinder and meshing gear to transport liquid or make it pressurized, is composed of two gears, pump body and front and back cover two closed spaces, when the gear rotates, the volume of the space on the gear disengaging side changes from small to big, forms vacuum, absorbs liquid, the volume of the space on the gear meshing side changes from big to small, and liquid is extruded into the pipeline.

[0003] Such as the announcement number CN219570327U discloses a kind of gear pump convenient to disassemble and maintain, including pump body, positioning device, filter device and telescopic device are equipped on the pump body, the positioning device includes front pump cover, rear pump cover and positioning pin, positioning pin is provided with several, and all are respectively arranged in the two sides of pump body, the two sides of pump body are all provided with and the first positioning hole of positioning pin cooperation, second positioning hole is provided on front pump cover and cooperates with positioning pin, third positioning hole is provided on rear pump cover and cooperates with positioning pin.

[0004] In prior art, sound insulation cover is installed outside gear pump to carry out sound insulation and noise reduction, and sound insulation cover directly wraps gear pump inside, so that heat generated by gear pump during operation cannot be dissipated, accumulates inside sound insulation cover, resulting in performance decline of gear pump equipment, aggravation of part wear, and affecting normal operation of gear pump. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that sound insulation cover directly wraps gear pump inside in prior art, heat generated by gear pump during operation cannot be dissipated, accumulates inside sound insulation cover, and proposes a kind of gear pump with noise reduction function.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of gear pump with noise reduction function, including gear pump assembly, noise reduction mechanism is installed outside the gear pump assembly, the noise reduction mechanism includes noise reduction shell, sound insulation pad is fixedly connected in the inside of the noise reduction shell, wave plate is fixedly connected on one side of the noise reduction shell, heat dissipation hole is formed in one side of the wave plate, sound-absorbing sponge strip is fixedly connected at the bending of the wave plate, heat dissipation fin is fixedly connected outside the noise reduction shell, guide strip is fixedly connected on one side of the noise reduction shell, guide frame is slidably connected outside the guide strip, anti-loosening mechanism is installed on the outside of the noise reduction shell.

[0007] Preferably, mounting block is fixedly connected on the outside of two noise reduction shells, and fixing bolt is installed between two mounting blocks.

[0008] Preferably, the gear pump assembly comprises a connecting shell, the sound insulation pad is sleeved outside the connecting shell, one end of the connecting shell is fixedly connected with a mounting seat, and one side of the mounting seat is fixedly connected with one side of a guide frame.

[0009] Preferably, one side of the connecting shell is fixedly connected with a sleeving sleeve, one end of the sleeving sleeve penetrates one side of the noise reduction shell, a connecting shaft is rotatably connected in the inside of the sleeving sleeve, and one end of the connecting shaft is rotatably connected in the inside of the connecting shell.

[0010] Preferably, the anti-loosening mechanism comprises a first fixed block and a second fixed block, one end of the first fixed block is fixedly connected to the outside of one of the noise reduction shells, one end of the second fixed block is fixedly connected to the outside of the other noise reduction shell, and a slot is formed in the second fixed block.

[0011] Preferably, one end of the second fixed block abuts against a limiting strip, one end of the limiting strip is fixedly connected with a rotating rod, and the rotating rod is rotatably connected between the first fixed block and the second fixed block.

[0012] Preferably, one end of the rotating rod is fixedly connected with a connecting block through the first fixed block, a torsion spring is arranged between the connecting block and the first fixed block, and the torsion spring is sleeved outside the rotating rod.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、In the utility model, the sound insulation pad is sleeved outside the connecting shell, the noise propagation in the connecting shell can be reduced, the working of the gear pump assembly is cooled through the cooperation of the heat dissipation hole and the heat dissipation fin, the sound absorption sponge strip can further absorb and weaken the sound generated by the working of the gear pump assembly, the gear pump assembly can be cooled while being soundproofed and noise reduced, and the performance of the equipment can be prevented from being reduced due to the excessively high temperature.

[0015] 2、In the utility model, when the noise reduction shell is installed outside the connecting shell, the limiting strip is first rotated, the rotating rod is rotated on the first fixed block, the torsion spring is deformed, the direction of the limiting strip is consistent with the slot, the limiting strip can pass through the inside of the slot, then the deformed torsion spring restores to the original state, drives the rotating rod and the limiting strip to rotate, the limiting strip is rotated to be perpendicular to the slot, the limiting strip abuts against one side of the second fixed block at this time, the two noise reduction shells can be positioned, and the stability of the installation between the noise reduction shells is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first three-dimensional structure schematic view of the gear pump with the noise reduction function;

[0017] Figure 2 A second perspective structural schematic view of the gear pump with the noise reduction function is provided for the utility model;

[0018] Figure 3 A second perspective structural schematic view of the gear pump with the noise reduction function is provided for the utility model; Figure 2 A local enlarged structural schematic view of A of the gear pump with the noise reduction function is provided for the utility model;

[0019] Figure 4 An internal exploded structural schematic view of the gear pump with the noise reduction function is provided for the utility model;

[0020] Figure 5 A noise reduction shell exploded structural schematic view of the gear pump with the noise reduction function is provided for the utility model.

[0021] Legend: 1, noise reduction mechanism; 11, noise reduction shell; 12, heat dissipation fin; 13, wave plate; 14, fixing bolt; 15, guide frame; 16, guide bar; 17, mounting block; 18, sound-absorbing sponge strip; 19, heat dissipation hole; 110, sound insulation pad; 2, anti-loosening mechanism; 21, twist spring; 22, first fixed block; 23, rotating rod; 24, second fixed block; 25, slot; 26, limiting strip; 27, connecting block; 3, gear pump assembly; 31, mounting seat; 32, connecting shaft; 33, sleeve; 34, connecting shell. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more clearly understood, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.

[0024] Embodiment one: as Figure 1 - Figure 5The utility model provides a gear pump with noise reduction function, including gear pump subassembly 3, gear pump subassembly 3's outside is installed with noise reduction mechanism 1, noise reduction mechanism 1 includes noise reduction shell 11, the inside fixed connection of noise reduction shell 11 has sound insulation pad 110, the side fixed connection of noise reduction shell 11 has wave folding board 13, the side of wave folding board 13 is equipped with the heat dissipation hole 19, and the bending of wave folding board 13 is fixedly connected with sound absorption sponge strip 18, and the outside fixed connection of noise reduction shell 11 has heat dissipation fin 12, the side fixed connection of noise reduction shell 11 has guide strip 16, and the outside sliding connection of guide strip 16 has guide frame 15, and the outside installation of noise reduction shell 11 has anti looseness mechanism 2, the outside of two noise reduction shells 11 is fixedly connected with mounting block 17, and fixed bolt 14 is installed between two mounting blocks 17, gear pump subassembly 3 includes connecting shell 34, and sound insulation pad 110 is sleeved in the outside of connecting shell 34, and one end of connecting shell 34 is fixedly connected with mounting seat 31, and the side of mounting seat 31 is fixedly connected with the side of guide frame 15, one side of connecting shell 34 is fixedly connected with sleeve cylinder 33, and one end of sleeve cylinder 33 passes through the side of noise reduction shell 11, and connecting shaft 32 is rotatably connected in the inside of sleeve cylinder 33, and one end of connecting shaft 32 is rotatably connected in the inside of connecting shell 34.

[0025] First, two noise reduction shells 11 are sleeved on the two sides of connecting shell 34 respectively, and two mounting blocks 17 are fixedly connected through fixed bolt 14, so that noise reduction shell 11 is fixed outside connecting shell 34, sound insulation pad 110 is installed on the inside of noise reduction shell 11, sound insulation pad 110 is sleeved outside connecting shell 34, which can reduce the noise propagation in the inside of connecting shell 34, wave folding board 13 is arranged on the side of noise reduction shell 11, wave folding board 13 is composed of a plurality of triangular protrusions, heat dissipation hole 19 is formed on wave folding board 13, and sound absorption sponge strip 18 is fixed on the inside of wave folding board 13, heat dissipation hole 19 and heat dissipation fin 12 cooperate to cool and dissipate heat for gear pump subassembly 3, and sound absorption sponge strip 18 can further absorb and weaken the sound generated by gear pump subassembly 3, which can cool and dissipate heat while soundproofing and reducing noise of gear pump subassembly 3, preventing performance degradation of the equipment due to high temperature.

[0026] Embodiment two: as Figure 1 and Figure 3As shown, the anti-loosening mechanism 2 comprises a first fixed block 22 and a second fixed block 24, one end of the first fixed block 22 is fixedly connected to the outside of one of the noise reduction shells 11, one end of the second fixed block 24 is fixedly connected to the outside of the other noise reduction shell 11, and a slot 25 is formed in the second fixed block 24; one end of the second fixed block 24 abuts against a limiting strip 26, one end of the limiting strip 26 is fixedly connected with a rotating rod 23, and one end of the rotating rod 23 is rotatably connected with the first fixed block 22; one end of the rotating rod 23 is fixedly connected with a connecting block 27 penetrating through the first fixed block 22, and a torsion spring 21 is installed between the connecting block 27 and the first fixed block 22, and the torsion spring 21 is sleeved outside the rotating rod 23.

[0027] The effect achieved by the whole embodiment is that when the noise reduction shell 11 is installed outside the connecting shell 34, the limiting strip 26 is first rotated, the rotating rod 23 is rotated on the first fixed block 22, the torsion spring 21 is deformed, the direction of the limiting strip 26 is consistent with that of the slot 25, the limiting strip 26 can penetrate through the inside of the slot 25, then the deformed torsion spring 21 restores to the original state, drives the rotating rod 23 and the limiting strip 26 to rotate, and the limiting strip 26 is rotated to be perpendicular to the slot 25, at this time, the limiting strip 26 abuts against one side of the second fixed block 24, can position the two noise reduction shells 11, and improves the stability of the installation between the noise reduction shells 11.

[0028] The working principle and method of using the device are that the two noise reduction shells 11 are respectively sleeved on the two sides of the connecting shell 34, the two mounting blocks 17 are fixedly connected through the fixing bolts 14, so that the noise reduction shells 11 are fixed outside the connecting shell 34, when the noise reduction shell 11 is installed, the limiting strip 26 is first rotated, the rotating rod 23 is rotated on the first fixed block 22, the torsion spring 21 is deformed, the limiting strip 26 penetrates through the slot 25, the deformed torsion spring 21 restores to the original state, the limiting strip 26 is rotated to abut against one side of the second fixed block 24, positions the two noise reduction shells 11, the sound insulation pad 110 is sleeved outside the connecting shell 34, can reduce the noise propagation in the connecting shell 34, the heat dissipation holes 19 are formed in the corrugated plate 13, and the sound absorption sponge strips 18 are fixed to the inside of the corrugated plate 13, the working of the gear pump assembly 3 is cooled and radiated through the cooperation of the heat dissipation holes 19 and the heat dissipation fins 12, and the sound absorption sponge strips 18 can further absorb and weaken the sound generated by the working of the gear pump assembly 3.

[0029] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A gear pump with noise reduction function, comprising a gear pump assembly (3), characterized in that: The gear pump assembly (3) is externally mounted with a noise reduction mechanism (1), the noise reduction mechanism (1) comprises a noise reduction shell (11), the inside of the noise reduction shell (11) is fixedly connected with a sound insulation pad (110), one side of the noise reduction shell (11) is fixedly connected with a corrugated plate (13), one side of the corrugated plate (13) is provided with a heat dissipation hole (19), the bending part of the corrugated plate (13) is fixedly connected with a sound-absorbing sponge strip (18), the outside of the noise reduction shell (11) is fixedly connected with a heat dissipation fin (12), one side of the noise reduction shell (11) is fixedly connected with a guide strip (16), the outside of the guide strip (16) is slidably connected with a guide frame (15), the noise reduction shell (11) is externally mounted with an anti-loose mechanism (2).

2. The gear pump with noise reduction function according to claim 1, characterized in that: The outside of the two noise reduction shells (11) is fixedly connected with a mounting block (17), and a fixing bolt (14) is installed between the two mounting blocks (17).

3. The gear pump with noise reduction function according to claim 1, characterized in that: The gear pump assembly (3) comprises a connecting shell (34), the sound insulation pad (110) is sleeved on the outside of the connecting shell (34), one end of the connecting shell (34) is fixedly connected with a mounting seat (31), and one side of the mounting seat (31) is fixedly connected with one side of the guide frame (15).

4. The gear pump with noise reduction function according to claim 3, characterized in that: One side of the connecting shell (34) is fixedly connected with a sleeving sleeve (33), one end of the sleeving sleeve (33) penetrates one side of the noise reduction shell (11), and a connecting shaft (32) is rotatably connected in the inside of the connecting shell (34).

5. The gear pump with noise reduction function according to claim 1, characterized in that: The anti-loose mechanism (2) comprises a first fixed block (22) and a second fixed block (24), one end of the first fixed block (22) is fixedly connected to the outside of one of the noise reduction shells (11), one end of the second fixed block (24) is fixedly connected to the outside of the other noise reduction shell (11), and a slot (25) is formed in the second fixed block (24).

6. The gear pump with noise reduction function according to claim 5, characterized in that: One end of the second fixed block (24) abuts against a limiting strip (26), one end of the limiting strip (26) is fixedly connected with a rotating rod (23), and one end of the rotating rod (23) is rotatably connected with the first fixed block (22).

7. The gear pump with noise reduction function according to claim 6, characterized in that: One end of the rotating rod (23) penetrates the first fixed block (22) and is fixedly connected with a connecting block (27), a torsion spring (21) is installed between the connecting block (27) and the first fixed block (22), and the torsion spring (21) is sleeved on the outside of the rotating rod (23).

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