阅读说明：本技术 一种新型齿轮换向减磨损式隔膜泵 (Novel gear reversing abrasion-reducing type diaphragm pump ) 是由 徐建宁 刘豪 李亚山 许瑞琪 罗珺睿 马广 于 2019-11-08 设计创作，主要内容包括：一种新型齿轮换向减磨损式隔膜泵,包括皮碗总成、不完全齿轮齿条换向总成、集屑总成及吸入排出总成；不完全齿轮齿条换向总成两侧设置有皮碗总成,环绕不完全齿轮齿条换向总成和皮碗总成上设置有吸入排出总成,位于吸入排出总成下侧的边角处设置有集屑总成。本发明能够提高隔膜泵动力端传动效率,降低振动,减小液力端膜片和阀组磨损。具有结构紧促,颗粒杂质排泄便捷等特点。(A novel gear reversing abrasion-reducing diaphragm pump comprises a leather cup assembly, an incomplete gear and rack reversing assembly, a scrap collecting assembly and a suction and discharge assembly; leather cup assemblies are arranged on two sides of the incomplete gear and rack reversing assembly, suction and discharge assemblies are arranged on the incomplete gear and rack reversing assembly and the leather cup assemblies in a surrounding mode, and scrap collecting assemblies are arranged at corners of the lower side of the suction and discharge assemblies. The invention can improve the transmission efficiency of the power end of the diaphragm pump, reduce vibration and reduce the abrasion of the diaphragm and the valve bank at the hydraulic end. Has the characteristics of compact structure, convenient and fast discharge of particle impurities and the like.)

1. A novel gear reversing abrasion-reducing type diaphragm pump is characterized by comprising a leather cup assembly (I), an incomplete gear and rack reversing assembly (II), a scrap collecting assembly (III) and a suction and discharge assembly (IV);

the gear tooth bar reversing assembly (II) is provided with a leather cup assembly (I) on two sides, a suction and discharge assembly (IV) is arranged around the gear tooth bar reversing assembly (II) and the leather cup assembly (I), and a scrap collecting assembly (III) is arranged at the corner of the lower side of the suction and discharge assembly (IV).

2. The novel gear reversing abrasion-reducing type diaphragm pump according to claim 1, wherein the leather cup assembly (I) comprises a rubber leather cup (1), the rubber leather cup (1) is arranged between a leather cup shield (4) and a leather cup positioning block (5), a leather cup connecting rod (2) is connected to the middle of the rubber leather cup (1), the rubber leather cup connecting rod (2) is driven to reciprocate, a connecting rod shield (8) is connected to the leather cup shield (4), and the connecting rod shield (8) and the connecting rod (2) are concentrically arranged.

3. The novel gear reversing wear-reducing type diaphragm pump according to claim 1, wherein the incomplete gear rack reversing assembly (II) comprises a driving gear shaft (10), the driving gear shaft (10) drives the driving gear (9) to rotate in a single direction, a first driven gear (11) and a second driven gear (13) are arranged on the left and right sides of the driving gear (9) and are meshed with the driving gear (9) simultaneously, the first incomplete gear (15) and the second incomplete gear (16) are arranged and fixed concentrically with the first driven gear (11) and the second driven gear (13) respectively, a double-sided rack (17) and the first incomplete gear (15) and the second incomplete gear (16) are arranged in the same plane, and two ends of the double-sided rack are connected with the two leather cup connecting rods (2).

4. The novel gear reversing wear-reducing type diaphragm pump according to claim 1, wherein the chip collecting assembly (III) comprises a valve seat (18), a spherical valve core (20) is freely located on the valve seat (18), a chip collecting groove (19) is arranged right below the valve seat (18), the chip collecting groove (19) is a fish-shaped chip collecting groove, and the fish-shaped chip collecting groove is a bulge formed by two fine pointed ends and a middle part.

5. A novel gear reversing wear-reducing type diaphragm pump according to claim 4, characterized in that the lower part of the chip collecting groove (19) is provided with a chip removing hole (19-1), the plug (19-3) and the upper part is provided with a chip inlet chip removing hole (19-2).

6. The novel gear reversing wear-reducing type diaphragm pump according to claim 1, wherein the suction and discharge assembly (IV) comprises a suction pipe (21) and a discharge pipe (22), the suction pipe (21) and the discharge pipe (22) are respectively arranged perpendicular to a discharge circulating pipe (24) of a suction circulating pipe (23), the chip collecting groove fitting elbow (25) and the discharge pipe connecting elbow (28) are arranged concentrically with the vertical pipe (30), and the chip collecting groove fitting elbow (26) and the discharge pipe connecting elbow (27) are arranged concentrically with the vertical pipe (29). The vertical pipe (29) is vertically arranged with the leather cup shield (4) in the leather cup assembly (I) and is connected with the leather cup shield by welding, and the suction circulating pipe (23) and the discharge circulating pipe (24) are arranged at the upper end and the lower end of the leather cup assembly (I) in parallel.

7. The novel gear reversing abrasion-reducing type diaphragm pump is characterized in that a vertical pipe (30) is arranged inside the suction and discharge assembly (IV), a leather cup connecting rod (2) is arranged on the leather cup assembly (I), a double-sided rack (17) is arranged on the incomplete gear rack reversing assembly (II), and the vertical pipe (30) and a suction pipe plumb (21) are arranged on the suction and discharge assembly (IV);

the leather cup assembly (I) is vertically arranged with a vertical pipe (30) in the suction and discharge assembly (IV); the leather cup assembly (I) is arranged on two sides of the incomplete gear and rack reversing assembly (II), and a leather cup connecting rod (2) in the leather cup assembly (I) is connected with a double-sided rack (17) in the incomplete gear and rack reversing assembly (II) through welding; the scrap collecting assembly (III) is simultaneously and vertically arranged and connected with a vertical pipe (30) and a suction pipe plumb (21) in the suction and discharge assembly (IV).

Technical Field

The invention relates to the technical field of diaphragm pumps, in particular to a novel gear reversing abrasion-reducing diaphragm pump.

Background

Diaphragm pumps are a special form of positive displacement pump that uses back and forth pumping of a diaphragm (also known as a cup) to change the volume of a working chamber and thereby achieve the purpose of pumping in and out the medium. The traditional diaphragm pump mainly adopts an eccentric transmission shaft and a connecting rod assembly to enable the diaphragm to reciprocate, so that the diaphragm pump generates larger vibration and noise during working, the abrasion of a transmission part is increased, the transmission efficiency is reduced, and the larger noise brings uncomfortable feeling to a user. In addition, the traditional diaphragm pump has strict requirements on conveying media, and the abrasion of the diaphragm and the valve bank can be accelerated when more granular impurities exist in the media, so that the service life and the economic benefit of the pump are reduced.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a novel gear reversing abrasion-reducing type diaphragm pump which can improve the transmission efficiency of a power end of the diaphragm pump, reduce vibration and reduce abrasion of a diaphragm and a valve group at the hydraulic end. Has the characteristics of compact structure, convenient and fast discharge of particle impurities and the like.

In order to achieve the purpose, the invention adopts the technical scheme that:

a novel gear reversing abrasion-reducing diaphragm pump comprises a leather cup assembly I, an incomplete gear and rack reversing assembly II, a scrap collecting assembly III and a suction and discharge assembly IV;

and leather cup assemblies I are arranged on two sides of the incomplete gear and rack reversing assembly II, a suction and discharge assembly IV is arranged around the incomplete gear and rack reversing assembly II and the leather cup assemblies I, and a scrap collecting assembly III is arranged at the corner of the lower side of the suction and discharge assembly IV.

The leather cup assembly I comprises a rubber leather cup 1, the rubber leather cup 1 is arranged between a leather cup shield 4 and a leather cup positioning block 5, a leather cup connecting rod 2 is connected to the middle of the rubber leather cup 1, reciprocating motion is performed under the driving of the leather cup connecting rod 2, the leather cup shield 4 is connected with a connecting rod shield 8, and the connecting rod shield 8 and the connecting rod 2 are arranged concentrically.

Incomplete rack and pinion switching-over assembly II include driving gear axle 10, driving gear axle 10 drives driving gear 9 and carries out unidirectional rotation, set up in the both sides of driving gear 9 and mesh with driving gear 9 simultaneously about first driven gear 11 and second driven gear 13, first incomplete gear 15 and second incomplete gear 16 arrange with first driven gear 11 and second driven gear 13 concentric respectively and fix, double-sided rack 17 and first incomplete gear 15 and the same plane of second incomplete gear 16 arrange, and both ends link to each other with two leather cup connecting rods 2.

The chip collecting assembly III comprises a valve seat 18, a spherical valve core 20 is freely located on the valve seat 18, a chip collecting groove 19 is formed right below the valve seat 18, the chip collecting groove 19 is a fish-shaped chip collecting groove, and the fish-shaped chip collecting groove is in a shape that the middle parts of two ends of the chip collecting groove are thin and sharp and bulge.

The lower part of the chip collecting groove 19 is provided with a chip removing hole 19-1 and a plug 19-3, and the upper part is provided with a chip inlet chip removing hole 19-2.

The suction and discharge assembly IV comprises a suction pipe 21 and a discharge pipe 22, the suction pipe 21 and the discharge pipe 22 are respectively and vertically arranged with a discharge circulation pipe 24 of a suction circulation pipe 23, a chip collecting groove matching elbow 25 and a discharge pipe connecting elbow 28 are concentrically arranged with a vertical pipe 30, and a chip collecting groove matching elbow 26 and a discharge pipe connecting elbow 27 are concentrically arranged with a vertical pipe 29. Wherein the stand pipe 29 is vertically arranged with the cup shield 4 in the cup assembly I and is connected by welding. The suction through pipe 23 and the discharge through pipe 24 are arranged at the upper end and the lower end of the leather cup assembly I in parallel.

A vertical pipe 30 is arranged inside the suction and discharge assembly IV, a leather cup connecting rod 2 is arranged on the leather cup assembly I, a double-sided rack 17 is arranged on the incomplete gear rack reversing assembly II, and the vertical pipe 30 and a suction pipe plumb 21 are arranged on the suction and discharge assembly IV;

the leather cup assembly I is vertically arranged with the vertical pipe 30 in the suction and discharge assembly IV; the leather cup assembly I is arranged on two sides of the incomplete gear and rack reversing assembly II, and a leather cup connecting rod 2 in the leather cup assembly I is connected with a double-sided rack 17 in the incomplete gear and rack reversing assembly II through welding; the chip collecting assembly III is simultaneously connected with the vertical pipe 30 and the vertical suction pipe 21 in the suction and discharge assembly IV.

The invention has the beneficial effects that:

1. compared with a reversing mechanism of a traditional diaphragm pump, the reversing mechanism of the diaphragm pump adopts an incomplete gear reversing mechanism to control the diaphragm to be blown, the reversing is stable, and the noise and the vibration of a pump body are reduced to a great extent;

2. the double-sided rack transmission replaces the connecting rod transmission, so that the transmission form of the power end is changed into tooth transmission, the transmission efficiency and the service life of the power end are obviously improved, the volume is reduced, and the structure is more compact;

3. according to the invention, the fish-shaped chip collecting groove is additionally arranged at the suction end, so that a part of particle impurities in a medium enter the chip collecting groove when the pump works, the abrasion of the valve body and the diaphragm is reduced, the working life of the hydraulic end assembly is prolonged, the chip collecting groove is unique in shape design, so that the impurity particles are easy to enter and difficult to exit, the chip removing hole is formed in the lower part of the chip collecting groove, the chip collecting groove is sealed by the plug during working, and the plug is detached after the working is finished to remove chips

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of a cup assembly of the present invention.

FIG. 3 is a schematic view of an incomplete rack and pinion reversing assembly of the present invention.

FIG. 4 is a schematic front view of an incomplete rack and pinion reversing assembly of the present invention.

FIG. 5 is a schematic view of a chip collection assembly of the present invention.

FIG. 6 is a schematic view of the suction/discharge line assembly of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the gear reversing wear-reducing type diaphragm pump comprises a leather cup assembly I, an incomplete gear and rack reversing assembly II, a chip collecting assembly III and a suction and discharge assembly IV.

As shown in fig. 2: the leather cup assembly I comprises: the leather cup comprises a rubber leather cup 1, a leather cup connecting rod 2, leather cup connecting screws 3, a leather cup shield 4, a leather cup positioning block 5, leather cup fastening screws 6, leather cup fastening screws 7 and a connecting rod shield 8.

The rubber cup 1 has elasticity and is fixed between the cup shield 4 and the cup positioning block 5 through cup fastening screws 6 and 7, and meanwhile, the middle part of the cup 1 is connected with the cup connecting rod 2 through the cup connecting screw 3 so as to be driven by the cup connecting rod 2 to do reciprocating motion, and the connecting rod shield 8 is connected to the cup shield 4 and concentrically arranged with the connecting rod 2.

As shown in fig. 3 and 4: the incomplete gear and rack reversing assembly II comprises a driving gear 9, a driving gear shaft 10, a first driven gear 11, a first driven gear shaft 12, a second driven gear 13, a second driven gear shaft 14, a first incomplete gear 15, a second incomplete gear 16 and a double-sided rack 17.

The driving gear shaft 10 is connected with a motor or a reducer output shaft to perform power access, the driving gear shaft 10 drives the driving gear 9 to perform unidirectional rotation, and the first driven gear 11 and the second driven gear 13 are arranged on the left and right sides of the driving gear 9 and are meshed with the driving gear 9 simultaneously. The first and second incomplete gears 15 and 16 are arranged concentrically with the first and second driven gears 11 and 13, respectively, and are fixed. The double-sided rack 17, the first incomplete gear 15 and the second incomplete gear 16 are arranged in the same plane, and two ends of the double-sided rack are connected with the two leather cup connecting rods 2.

As shown in fig. 5: the chip collecting assembly III comprises a valve seat 18, a chip collecting groove 19 and a spherical valve core 20. The spherical valve element 20 is freely seated on the valve seat 18, and the chip collection groove 19 is provided directly below the valve seat 18.

As shown in fig. 6: the suction and discharge pipeline assembly comprises a suction pipe 21, a discharge pipe 22, a suction flow pipe 23, a discharge flow pipe 24, a scrap collecting groove matching elbow 25, a scrap collecting groove matching elbow 26, a discharge pipe connecting elbow 27, a discharge pipe connecting elbow 28, a stand pipe 29 and a stand pipe 30.

The suction pipe 21 and the discharge pipe 22 are respectively arranged perpendicular to the discharge flow pipe 24 of the suction flow pipe 23, and the chip collecting groove fitting elbow 25 and the discharge pipe connecting elbow 28 are arranged concentrically with the stand pipe 30. The chip flute-mating elbow 26 and the discharge pipe connecting elbow 27 are arranged concentrically with the stand pipe 29.

The working principle of the invention is as follows:

in actual work, the driving gear shaft 10 is connected with a motor or a reducer output shaft for power connection to drive the driving gear 9 to rotate in a single direction, and the driving gear 9 simultaneously drives the first driven gear 11 and the second driven gear 13 to rotate. The first driven gear 11 and the second driven gear 13 respectively drive the first incomplete gear 15 and the second incomplete gear 16 to rotate, wherein the first incomplete gear 15 and the second incomplete gear 16 rotate in opposite directions. When the first incomplete gear 15 is meshed with the double-sided rack 17 in the rotating process to drive the double-sided rack 17 to do linear motion, the second incomplete gear 16 is not meshed with the double-sided rack 17, and when the first incomplete gear 15 is disengaged from the double-sided rack 17, the second incomplete gear 16 is meshed with the double-sided rack 17 to drive the double-sided rack 17 to do reverse linear motion. The double-sided rack 17 is connected with the leather cup connecting rod 2 to drive the leather cup connecting rod to do linear motion, and the leather cup connecting rod 2 drives the leather cup 1 to do drumming. When the driving gear shaft 10 rotates continuously, the leather cup 1 is continuously driven by transmission, so that the suction and discharge actions of the medium are realized. When the conveying medium contains particle impurities, when the impurities pass through the chip collecting assembly III, a part of the particle impurities enter the fish-shaped chip collecting groove, and the particle impurities are easy to enter and difficult to exit due to the special shape of the fish-shaped chip collecting groove, so that the aim of reducing the abrasion of the valve body and the diaphragm is fulfilled.