High-stability diaphragm pump

Abstract

The utility model discloses a high-stability diaphragm pump which comprises a driving source, a pump body is installed on the side wall of the driving source, a diaphragm body is arranged in the pump body, a lining is installed in the diaphragm body, a fixing ring is installed in the lining, a plurality of sets of protrusions are arranged on the inner wall of the fixing ring, and the protrusions are arranged on the inner wall of the fixing ring. An extrusion wheel is arranged in the fixing ring, a rear baffle is installed on the side wall, on one side of the driving source, of the pump body, a front baffle is installed on the side, away from the rear baffle, of the side wall of the pump body, an eccentric shaft is installed in the center of the interior of the extrusion wheel, and the driving source drives the eccentric shaft to rotate. According to the diaphragm pump, reliable transmission driving of the structure is achieved when the diaphragm pump operates, the service life of the diaphragm pump is prolonged, and the tight contact degree of structural surfaces is improved when the internal structure of the pump body is in eccentric transmission.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diaphragm pump, concretely to a high stability diaphragm pump. BACKGROUND

[0002] Diaphragm pump is a new type of positive pressure conveying equipment, mainly used for conveying liquid, paste and gas without solid particles, etc., its structure is mainly composed of four parts: pump body, diaphragm, inlet and outlet valve and transmission device, the diaphragm is made of rubber or plastic material, can bear high pressure and deformation such as bending and folding, ensure the normal work of the pump, when the diaphragm is compressed, the pressure in the pump cavity will increase, the liquid at the inlet is sucked into the pump cavity, when the pressure around the diaphragm returns to normal, the diaphragm will restore the original state, and the liquid is pressed out, completing a conveying process, the inlet and outlet valve is mainly used for controlling the inlet and outlet flow of liquid, ensuring the normal work of the pump, and the transmission device is the power transmission device of the motor or manual wheel, which is converted into the movement of the diaphragm by the reducer and connecting rod, driving the liquid to enter and exit the pump cavity.

[0003] As disclosed in a diaphragm pump with the authorization announcement No. CN208431139U, comprising a driving part, a shell and an extrusion structure, the shell is fixed to the driving part, the driving part includes a driving part output shaft, the extrusion structure includes an eccentric shaft and an extrusion wheel, the eccentric shaft is fixedly connected with the driving part output shaft, the extrusion wheel is installed on the eccentric shaft, the diaphragm pump further comprises a diaphragm, the diaphragm is fixed to the extrusion wheel and located in the shell, the eccentric shaft drives the extrusion wheel and the diaphragm to rotate, the diaphragm is extruded by the extrusion wheel and the shell, the extrusion wheel and the diaphragm are fixed with each other instead of doing circular motion, so there is no wear to the diaphragm, which greatly increases the service life and does not need to replace the pipe like a peristaltic pump; it is different from the conventional diaphragm pump, there is no rocker that moves up and down inside, so the vibration is low, and the noise is very low; the one-way valve inside the conventional diaphragm pump is cancelled, so it can pass through crystalline particles, bundle-shaped impurities, and even block-shaped green moss.

[0004] However, the patent does not solve the problem of short service life of the existing diaphragm pump; in addition, the diaphragm pump is generally not conducive to multi-position shock absorption support during use, and the structure of the diaphragm pump is not convenient for reliable transmission driving during operation, the vibration easily affects the internal parts of the pump body, greatly affects the degree of structure surface close contact during eccentric transmission of the internal structure of the diaphragm pump, and affects the quietness and stability of the diaphragm pump. UTILITY MODEL CONTENTS

[0005] The utility model discloses a high stability diaphragm pump to solve the problem of short service life of the diaphragm pump in the prior art, and the problems of inconvenient multi-position shock absorption support, inconvenient reliable transmission drive of the diaphragm pump structure during operation, vibration easily affecting the internal parts of the pump body, affecting the degree of structure surface close contact during eccentric transmission of the internal structure of the diaphragm pump, and affecting the quietness and stability of the diaphragm pump.

[0006] To achieve the above object, the utility model provides the following technical scheme: a high stability diaphragm pump, including drive source, install the pump body on the lateral wall of drive source, the inside of pump body is provided with diaphragm body, install the bushing in the diaphragm body, install the fixed ring in the bushing, be provided with a plurality of groups of protrusions on the inner wall of fixed ring, the inside of fixed ring is provided with extruding wheel, install the back baffle on the pump body lateral wall of drive source side, install the front baffle on the pump body lateral wall away from back baffle side, install eccentric shaft at the center position of extruding wheel inside, drive source drives eccentric shaft rotation.

[0007] Preferably, the extruding wheel is in contact with the fixed ring.

[0008] Preferably, the back baffle is provided with a sealing ring on the lateral wall, and the sealing ring is connected with the pump body.

[0009] Preferably, the utility model further includes a rack, the drive source is arranged on the rack, the bottom end of the drive source is symmetrically provided with an arc-shaped sheet, the top end of the rack below the arc-shaped sheet is provided with a support frame, the top end of the support frame on one side of the arc-shaped sheet is symmetrically provided with a trapezoidal seat, and the trapezoidal seat is fixedly connected with the arc-shaped sheet, the bottom end of the trapezoidal seat is symmetrically provided with a longitudinal shock absorber, and the longitudinal shock absorber is fixedly connected with the rack.

[0010] Preferably, the support frame is provided with a bent arm on the lateral wall, and the top end of the rack below the bent arm is provided with a clamping seat.

[0011] Preferably, the top end of the clamping seat is provided with a transverse shock absorber, and the top end of the transverse shock absorber is connected with the bent arm.

[0012] Preferably, the top end of the arc-shaped sheet is provided with a clamping sleeve, and the top end of the arc-shaped sheet on one side of the clamping sleeve is provided with a T-shaped sleeve.

[0013] Preferably, the clamping sleeve is provided with a T-shaped bolt inside, and the T-shaped bolt extends to the outside of the T-shaped sleeve.

[0014] Preferably, the surface of the T-shaped bolt is provided with a large head nut, and the large head nut is threadedly connected with the T-shaped bolt.

[0015] Compared with the prior art, the diaphragm pump has the advantages that: the fixed ring is arranged, and the protrusions are arranged on the inner wall of the fixed ring, so that the reliable transmission drive of the diaphragm pump during operation is facilitated, the degree of close contact of the structure surface during eccentric transmission of the internal structure of the diaphragm pump is improved, the service life of the diaphragm pump is improved, the noise during operation of the diaphragm pump is reduced, the quietness and stability of the diaphragm pump are improved, the diaphragm pump realizes multi-position shock absorption support, and the influence of vibration on the internal parts of the pump body is reduced.

[0016] (1) The eccentric shaft is driven to rotate by the driving source, moves under the cooperation of the eccentric structure of the eccentric shaft, and drives the fixed ring to move eccentrically under the cooperation of the protrusions. The protrusions increase the degree of close contact between the outer cylindrical surface of the extrusion wheel and the inner cylindrical surface of the fixed ring. The fixed ring drives the bushing and the diaphragm body to move eccentrically. The pump body drives the liquid outside to enter the inside of the pump body through the liquid inlet pipe under the drive of the diaphragm body. The liquid is discharged from the liquid outlet pipe under the drive of the diaphragm body. When the diaphragm pump operates, the support frame supports the arc-shaped pieces on the trapezoidal seat, the arc-shaped pieces support the driving source, the rack supports the horizontal shock absorber, and the support frame supports the horizontal shock absorber through the bent arm. Multi-position shock absorption support is realized under the cooperation of the horizontal shock absorber and the longitudinal shock absorber. The diaphragm pump realizes multi-position shock absorption support, facilitates the reliable transmission drive of the diaphragm pump during operation, improves the degree of close contact of the structure surface during eccentric transmission of the internal structure of the diaphragm pump, reduces the noise during operation of the diaphragm pump, improves the quietness and stability of the diaphragm pump, and reduces the influence of vibration on the internal parts of the pump body.

[0017] (2) The driving source is placed on the surfaces of the two groups of arc-shaped pieces, the collet supports the T-shaped bolt, the T-shaped bolt is inserted into the T-shaped sleeve and extends to the outside of the T-shaped sleeve, the large nut is sleeved on the surface of the T-shaped bolt, and the two groups of arc-shaped pieces cooperate to fix the driving source, so as to facilitate the installation and disassembly of the driving source. The diaphragm pump is convenient to install and disassemble, and the diaphragm pump is convenient to overhaul and maintain. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the first embodiment;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the eccentric shaft of the first embodiment;

[0020] Figure 3 It is a side view schematic diagram of the first embodiment;

[0021] Figure 4 It is a three-dimensional explosion structure schematic diagram of the first embodiment;

[0022] Figure 5 It is a three-dimensional structure schematic diagram of the extrusion wheel of the first embodiment;

[0023] Figure 6 It is a fixed ring three-dimensional structure schematic view of example one;

[0024] Figure 7 It is a three-dimensional structure schematic view of example two;

[0025] Figure 8 It is a rack three-dimensional structure schematic view of example two.

[0026] In the figure: 1, drive source; 2, support frame; 3, longitudinal shock absorber; 4, clamping seat; 5, transverse shock absorber; 6, bent arm; 7, clamping sleeve; 8, T-shaped bolt; 9, rack; 10, T-shaped sleeve; 11, large head nut; 12, front baffle; 13, pump body; 14, liquid inlet pipe; 15, liquid outlet pipe; 16, diaphragm body; 17, bushing; 18, fixed ring; 19, protrusion; 20, extrusion wheel; 21, sealing ring; 22, rear baffle; 23, arc-shaped sheet; 24, trapezoidal seat; 25, eccentric shaft. DETAILED DESCRIPTION

[0027] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0028] Example one:

[0029] Please refer to Figures 1-6 The utility model provides an embodiment: a high stability diaphragm pump, including drive source 1, drive source 1 can preferably be motor;The side wall of drive source 1 is installed with pump body 13, the inside of pump body 13 is provided with diaphragm body 16, the inside of diaphragm body 16 is installed with bushing 17, the inside of bushing 17 is installed with fixed ring 18, the inner wall of fixed ring 18 is provided with multiple groups of protrusion 19, and the setting mode of protrusion 19 can be set according to actual processing condition;The inside of fixed ring 18 is provided with extrusion wheel 20, and extrusion wheel 20 is in contact with fixed ring 18 and is fixed;The side wall of pump body 13 on the side of drive source 1 is installed with rear baffle 22, the side wall of pump body 13 away from rear baffle 22 is installed with front baffle 12, the central position inside extrusion wheel 20 is installed with eccentric shaft 25, and drive source 1 drives eccentric shaft to rotate;The side wall of rear baffle 22 is installed with sealing ring 21, and sealing ring 21 is connected with pump body 13, one end of pump body 13 is installed with liquid inlet pipe 14, and the other end of pump body 13 is installed with liquid outlet pipe 15;

[0030] The driving source 1 drives the eccentric shaft 25 to rotate, and drives the extrusion wheel 20 to rotate under the cooperation of the eccentric structure of the eccentric shaft 25, and the extrusion wheel 20 drives the fixed ring 18 to make eccentric motion under the cooperation of the protrusions 19, the protrusions 19 increase the close contact degree between the outer cylindrical surface of the extrusion wheel 20 and the inner cylindrical surface of the fixed ring 18, the fixed ring 18 drives the bushing 17 and the diaphragm body 16 to make eccentric motion, under the support of the rear baffle 22 and the sealing ring 21 and under the support of the front baffle 12, the pump body 13 drives the external liquid to enter the inside of the pump body 13 through the inlet pipe 14 under the drive of the diaphragm body 16, and the external liquid is discharged through the outlet pipe 15 under the drive of the diaphragm body 16.

[0031] The embodiment sets the fixed ring 18 and the protrusions 19 on the inner wall of the fixed ring 18, facilitates the reliable transmission drive of the diaphragm pump in operation, improves the close contact degree of the structure surface in the eccentric transmission of the internal structure of the diaphragm pump, and improves the service life of the diaphragm pump.

[0032] Embodiment two:

[0033] Please refer to Figures 1-8 On the basis of the embodiment one, the high-stability diaphragm pump further comprises a rack 9, the driving source 1 is arranged on the rack 9, the bottom end of the driving source 1 is symmetrically provided with arc-shaped sheets 23, the top end of the rack 9 below the arc-shaped sheets 23 is provided with support frames 2, the top end of the support frame 2 on one side of the arc-shaped sheets 23 is symmetrically provided with trapezoidal seats 24, the trapezoidal seats 24 are fixedly connected with the arc-shaped sheets 23, the bottom end of the trapezoidal seats 24 is symmetrically provided with longitudinal dampers 3, the longitudinal dampers 3 are fixedly connected with the rack 9, the sidewall of the support frame 2 is symmetrically provided with bent arms 6, the top end of the rack 9 below the bent arms 6 is provided with clamping seats 4, the top end of the clamping seats 4 is provided with transverse dampers 5, and the top end of the transverse dampers 5 is connected with the bent arms 6.

[0034] When the diaphragm pump operates, the support frame 2 supports the trapezoidal seat 24 and the arc-shaped sheet 23, the arc-shaped sheet 23 supports the driving source 1, the rack 9 supports the transverse dampers 5 through the clamping seats 4, the support frame 2 supports the transverse dampers 5 through the bent arms 6, and multi-position damping support is achieved through the cooperation of the transverse dampers 5 and the longitudinal dampers 3, so as to reduce the vibration of the diaphragm pump in operation, improve the quietness and stability of the pump body, reduce the influence of vibration on the internal parts of the pump body, realize multi-position damping support of the diaphragm pump, facilitate the reliable transmission drive of the diaphragm pump in operation, improve the close contact degree of the structure surface in the eccentric transmission of the internal structure of the diaphragm pump, reduce the noise of the diaphragm pump in operation, improve the quietness and stability of the diaphragm pump, and reduce the influence of vibration on the internal parts of the pump body.

[0035] The top end of the arc-shaped sheet 23 is provided with a sleeve 7, the top end of the arc-shaped sheet 23 on one side of the sleeve 7 is provided with a T-shaped sleeve 10, the inside of the sleeve 7 is provided with a T-shaped bolt 8, and the T-shaped bolt 8 extends to the outside of the T-shaped sleeve 10;

[0036] The surface of the T-shaped bolt 8 is sleeved with a large head nut 11, and the large head nut 11 is threadedly connected with the T-shaped bolt 8;

[0037] By placing the driving source 1 on the surface of the two groups of arc-shaped sheets 23, the sleeve 7 supports the T-shaped bolt 8, the T-shaped bolt 8 is inserted into the T-shaped sleeve 10 and extends to the outside of the T-shaped sleeve 10, the large head nut 11 is sleeved on the surface of the T-shaped bolt 8, and the two groups of arc-shaped sheets 23 cooperate to fix the driving source 1, so that the driving source 1 is convenient to install and disassemble, the diaphragm pump is convenient to install and disassemble, and the diaphragm pump is convenient to overhaul and maintain.

[0038] In use of the embodiment, the external power supply is connected with the external pipeline through the liquid inlet pipe 14 and the liquid outlet pipe 15, the driving source 1 drives the eccentric shaft 25 to rotate, the eccentric structure of the eccentric shaft 25 drives the extrusion wheel 20 to move, the extrusion wheel 20 drives the fixed ring 18 to perform eccentric motion under the cooperation of the protrusions 19, the protrusions 19 increase the close contact degree between the outer circular surface of the extrusion wheel 20 and the inner circular surface of the fixed ring 18, the fixed ring 18 drives the bushing 17 and the diaphragm body 16 to perform eccentric motion, under the support of the rear baffle 22 and the sealing ring 21 and the support of the front baffle 12, the pump body 13 drives the external liquid to enter the inside of the pump body 13 through the liquid inlet pipe 14 and to be discharged through the liquid outlet pipe 15, when the diaphragm pump operates, the support frame 2 supports the trapezoidal seat 24 to support the arc-shaped sheet 23, the arc-shaped sheet 23 supports the driving source 1, the rack 9 supports the transverse shock absorber 5 through the clamping seat 4, the support frame 2 supports the transverse shock absorber 5 through the bent arm 6, and multi-position shock absorption support is achieved through the cooperation of the transverse shock absorber 5 and the longitudinal shock absorber 3, so as to reduce the vibration of the diaphragm pump during operation, improve the quietness and stability of the pump body, reduce the influence of the vibration on the internal parts of the pump body, then the driving source 1 is placed on the surface of the two groups of arc-shaped sheets 23, the sleeve 7 supports the T-shaped bolt 8, the T-shaped bolt 8 is inserted into the T-shaped sleeve 10 and extends to the outside of the T-shaped sleeve 10, the large head nut 11 is sleeved on the surface of the T-shaped bolt 8, and the two groups of arc-shaped sheets 23 cooperate to fix the driving source 1, so that the driving source 1 is convenient to install and disassemble, and the use of the diaphragm pump is completed.

[0039] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art can make minor changes or modifications to the disclosed technical content, or make equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change or modification of the above embodiments, which does not depart from the technical solution of the present application, is still within the scope of the technical solution of the present application.

Claims

1. A high-stability diaphragm pump characterized by: The utility model provides a kind of pump, including drive source (1), the side wall of drive source (1) is equipped with pump body (13), the inside of pump body (13) is provided with diaphragm body (16), the inside of diaphragm body (16) is equipped with bushing (17), the inside of bushing (17) is equipped with fixed ring (18), the inner wall of fixed ring (18) is provided with multiple groups of protrusions (19), the inside of fixed ring (18) is provided with extrusion wheel (20), the side wall of pump body (13) on the side of drive source (1) is equipped with back baffle (22), the side wall of pump body (13) is equipped with front baffle (12) away from back baffle (22), eccentric shaft (25) is installed at the center position inside extrusion wheel (20), drive source (1) drives eccentric shaft rotation.

2. A high stability diaphragm pump according to claim 1, characterized in that: The extrusion wheel (20) is in contact with the fixed ring (18).

3. A high stability diaphragm pump according to claim 1, characterized in that: The side wall of the back baffle (22) is equipped with a sealing ring (21), and the sealing ring (21) is connected to the pump body (13), one end of the pump body (13) is equipped with a liquid inlet pipe (14), and the other end of the pump body (13) is equipped with a liquid outlet pipe (15).

4. A high stability diaphragm pump according to claim 1, characterized in that: It also includes a rack (9); the drive source (1) is arranged on the rack (9); the bottom end of the drive source (1) is symmetrically equipped with an arc-shaped sheet (23), the top end of the rack (9) below the arc-shaped sheet (23) is provided with a support frame (2), the top end of the support frame (2) on one side of the arc-shaped sheet (23) is symmetrically equipped with a trapezoidal seat (24), and the trapezoidal seat (24) is fixedly connected with the arc-shaped sheet (23), the bottom end of the trapezoidal seat (24) is symmetrically equipped with a longitudinal shock absorber (3), and the longitudinal shock absorber (3) is fixedly connected with the rack (9).

5. A high stability diaphragm pump according to claim 4, characterized in that: The side wall of the support frame (2) is symmetrically equipped with a bent arm (6), and the top end of the rack (9) below the bent arm (6) is equipped with a clamping seat (4).

6. A high stability diaphragm pump according to claim 5, characterized in that: The top end of the clamping seat (4) is equipped with a transverse shock absorber (5), and the top end of the transverse shock absorber (5) is connected with the bent arm (6).

7. A high stability diaphragm pump according to claim 4, characterized in that: The top end of the arc-shaped sheet (23) is equipped with a clamping sleeve (7), and the top end of the arc-shaped sheet (23) on one side of the clamping sleeve (7) is equipped with a T-shaped sleeve (10).

8. A high stability diaphragm pump according to claim 7, characterized in that: The inside of the clamping sleeve (7) is provided with a T-shaped bolt (8), and the T-shaped bolt (8) extends to the outside of the T-shaped sleeve (10).

9. A high stability diaphragm pump according to claim 8, characterized in that: The surface of the T-shaped bolt (8) is sleeved with a large head nut (11), and the large head nut (11) is threadedly connected with the T-shaped bolt (8).

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