CN218347551U

CN218347551U - Vacuum diaphragm pump capable of realizing positive pressure work

Info

Publication number: CN218347551U
Application number: CN202221233203.1U
Authority: CN
Inventors: 吴兵
Original assignee: Kamoer Fluid Technology Shanghai Co Ltd
Current assignee: Kamoer Fluid Technology Shanghai Co Ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2023-01-20
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a vacuum diaphragm pump capable of realizing positive pressure work, which comprises a pump body, wherein one side of the pump body is provided with a motor, an output shaft of the motor rotates to penetrate through the pump body and extends to the inside of the pump body, a transmission rod is arranged inside, one end of the transmission rod is provided with an eccentric wheel, the upper side and the lower side of the pump body are both provided with a protection mechanism, and a diaphragm body is arranged inside the protection mechanism; the protection mechanism comprises a valve plate assembly and support bowls, and the support bowls are embedded on the upper side and the lower side of the pump body; the utility model prevents the diaphragm body from tearing when the diaphragm body does work under positive pressure by arranging the supporting bowl, improves the anti-pulling property of the diaphragm body and ensures the stability of the device when in use; through setting up valve plate subassembly for install and protect the support bowl, guarantee that the support bowl can carry out stable support to the diaphragm body, and then guarantee that the device can export the high pressure, realize stable malleation acting.

Description

Vacuum diaphragm pump capable of realizing positive pressure work

Technical Field

The utility model relates to a vacuum diaphragm pump technical field specifically is a can realize vacuum diaphragm pump of malleation work.

Background

The vacuum diaphragm pump is a small-sized instrument for pumping gas, which is provided with a pumping hole and an exhaust hole, forms a certain negative pressure at the pumping hole and a weak positive pressure at the exhaust hole through the reciprocating motion of an internal diaphragm, and a working medium is mainly gas.

When the existing vacuum diaphragm pump is used, the protection effect is poor, positive pressure work cannot be realized, the diaphragm can be torn by overhigh pressure, and a structure for protecting the diaphragm is lacked, so that the vacuum diaphragm pump capable of realizing positive pressure work needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize vacuum diaphragm pump of malleation work, the realization malleation work that possesses prevents the cracked advantage of diaphragm to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum diaphragm pump capable of realizing positive pressure work comprises a pump body, wherein a motor is arranged on one side of the pump body, an output shaft of the motor rotatably penetrates through the pump body and extends to the inside of the pump body, a transmission rod is arranged inside the pump body, an eccentric wheel is arranged at one end of the transmission rod, protection mechanisms are arranged on the upper side and the lower side of the pump body, and a diaphragm body is arranged inside the protection mechanisms;

the protection mechanism comprises a valve plate assembly and support bowls, the support bowls are embedded in the upper side and the lower side of the pump body, the diaphragm body is arranged between the support bowls and the valve plate assembly, and the valve plate assembly is arranged on the upper side and the lower side of the pump body.

Preferably, the valve plate assembly comprises an upper valve plate and a lower valve plate, and a valve plate is arranged between the upper valve plate and the lower valve plate.

Preferably, one side of the valve upper plate, which is far away from the pump body, is provided with four groups of screws which are arranged in a rectangular shape.

Preferably, one side of the valve lower plate is attached to the upper side and the lower side of the pump body, and the bottom of the screw penetrates through the valve upper plate and the valve lower plate in sequence and is bolted to the surface of the pump body.

Preferably, both sides are installed the curb plate around the pump body, curb plate surface is bolted through the surface of bolt with the pump body.

Preferably, one side of the pump body, which is far away from the motor, is provided with a blank cap, and the blank cap is attached to the surface of the pump body through a bolt.

Preferably, the upper side and the lower side of the pump body are both provided with clamping grooves matched with the support bowls, and the support bowls are embedded in the upper side and the lower side of the pump body through the clamping grooves.

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

1. the utility model discloses a set up and hold in the palm the bowl, prevent that the diaphragm body from taking place to tear when the malleation acting, improve the tensile nature of diaphragm body, guarantee the stability when the device uses.

2. The utility model discloses an adopt the pump body that the aluminum alloy was made to adopt the mode of CNC processing, have that the precision is good, the size is stable, intensity is good and the advantage that the radiating effect is good, has corrosion-resistant advantage simultaneously, durable.

3. The utility model discloses a set up the valve plate subassembly for install and protect the support bowl, guarantee that the support bowl can carry out stable support to the diaphragm body, and then guarantee that the device can export big pressure, realize stable malleation acting.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a schematic side view of the closure of the present invention;

fig. 3 is a top sectional view of the pump body of the present invention.

In the figure: 1. a pump body; 2. a motor; 3. a transmission rod; 4. an eccentric wheel; 5. a septum body; 6. supporting a bowl; 7. a valve upper plate; 8. a valve lower plate; 9. a valve plate; 10. a screw; 11. a side plate; 12. and (7) closing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can realize vacuum diaphragm pump of malleation work, includes the pump body 1, and the material of the pump body 1 adopts the aluminum alloy to make and forms, adopts the mode of CNC processing, has the advantage that the precision is good, stable in size, intensity are good and the radiating effect is good, has corrosion-resistant advantage simultaneously, durable.

One side of the pump body 1 is provided with a motor 2, wherein the motor 2 adopts a large-shaft-diameter and high-power outer rotor brushless direct current motor, and the brushless direct current motor runs in a self-control mode, so that a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, oscillation and step-out can not be generated when the load suddenly changes, and the running efficiency, low-speed torque, rotating speed precision and the like of the brushless direct current motor are better than those of a frequency converter of any control technology.

The output shaft of the motor 2 rotates to penetrate through the pump body 1 and extend to the inside of the pump body 1 to be provided with a transmission rod 3, one end of the transmission rod 3 is provided with an eccentric wheel 4, a large bearing is matched for transmission, the transmission rod 3 is fixed, and therefore the impact resistance between the motor 2 and the pump body 1 can be improved.

Both sides all install curb plate 11 around the pump body 1, and the curb plate 11 surface is through the bolt and the surperficial bolt joint of pump body 1. Through setting up curb plate 11, curb plate 11 is used for sealing both sides around the pump body 1, simultaneously, dismantles the back with curb plate 11, can conveniently overhaul the convenient degree of well maintaining to the spare part in the pump body 1.

One side that motor 2 was kept away from to the pump body 1 is provided with stifle 12, through the surface laminating of bolt and the pump body 1, the original center department from motor 2 one side of eccentric wheel 4 installs the countershaft, the one end that eccentric wheel 4 was kept away from to the countershaft and the internal connection through bearing and pump body 1, through setting up stifle 12 for the axial positioning of bearing inner race, dustproof and sealed, except that itself can be dustproof and sealed, often with the sealing member cooperation in order to reach sealed effect.

The upper side and the lower side of the pump body 1 are both provided with a protection mechanism, and a diaphragm body 5 is arranged in the protection mechanism; the protection mechanism comprises a valve plate assembly and support bowls 6, the support bowls 6 are embedded on the upper side and the lower side of the pump body 1, the diaphragm body 5 is arranged between the support bowls 6 and the valve plate assembly, and the valve plate assembly is arranged on the upper side and the lower side of the pump body 1. Through setting up the support bowl 6, prevent that diaphragm body 5 from taking place to tear when the malleation acting, improve diaphragm body 5's tensile resistance, guarantee the stability of the device when using.

The valve plate assembly comprises an upper valve plate 7 and a lower valve plate 8, and a valve plate 9 is arranged between the upper valve plate 7 and the lower valve plate 8. Through setting up valve upper plate 7 and valve lower plate 8 can install valve block 9, the through-hole has been seted up to the inside of valve lower plate 8 simultaneously, and valve block 9 passes through the through-hole on the surface of valve lower plate 8, and the through-hole communicates with diaphragm body 5.

In addition, the surface of the valve upper plate 7 is provided with an air inlet and outlet grid for facilitating the air in the pump body 1 to be discharged to the outside of the pump body 1 through the valve plate 9.

The side of the valve upper plate 7 far away from the pump body 1 is provided with four groups of screws 10, and the screws 10 are arranged in a rectangular shape. One side of the lower valve plate 8 is attached to the upper side and the lower side of the pump body 1, and the bottom of the screw 10 sequentially penetrates through the upper valve plate 7 and the lower valve plate 8 and is bolted to the surface of the pump body 1. The screw 10 is arranged for connecting and fixing the valve upper plate 7 and the valve lower plate 8 with the pump body 1, so that the sealing performance of the pump body 1 is improved.

The upper side and the lower side of the pump body 1 are both provided with clamping grooves matched with the support bowls 6, and the support bowls 6 are embedded in the upper side and the lower side of the pump body 1 through the clamping grooves. Through setting up the draw-in groove for conveniently install and injectd the support bowl 6. The elastic buffer gasket is additionally arranged at the mounting position of the supporting bowl 6 and the clamping groove, so that the positive pressure impact force can be reduced, and the purpose of protecting the diaphragm body 5 is achieved.

The motor 2 is started, the output shaft of the motor 2 makes a circular motion, the output shaft of the motor 2 drives the eccentric wheel 4 to make an eccentric motion, and meanwhile, the eccentric wheel 4 rotates in the pump body 1 and drives the diaphragm body 5 to make a reciprocating motion.

The diaphragm body 5 does reciprocating motion, simultaneously compresses and stretches air in the pump body 1, when in compression, the valve plate 9 at the upper end is arranged at an air outlet, the valve plate 9 at the lower end is arranged at an air suction outlet, when in compression, positive pressure is formed at the air outlet, and the air suction outlet is closed;

during stretching, form the negative pressure in gas suction port department, gas vent department closes, produces the pressure differential with external atmospheric pressure in gas suction port department, under the effect of pressure differential, inhales gas in the pump body 1, discharges from gas vent department again, and then accomplishes the normal work of this diaphragm pump.

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

Claims

1. A vacuum diaphragm pump capable of realizing positive pressure work comprises a pump body (1) and is characterized in that: a motor (2) is arranged on one side of the pump body (1), an output shaft of the motor (2) rotatably penetrates through the pump body (1) and extends to the inside of the pump body (1) to be provided with a transmission rod (3), one end of the transmission rod (3) is provided with an eccentric wheel (4), the upper side and the lower side of the pump body (1) are provided with protection mechanisms, and a diaphragm body (5) is arranged inside the protection mechanisms;

the protection mechanism comprises a valve plate assembly and a support bowl (6), the support bowl (6) is embedded in the upper side and the lower side of the pump body (1), the diaphragm body (5) is arranged between the support bowl (6) and the valve plate assembly, and the valve plate assembly is arranged on the upper side and the lower side of the pump body (1).

2. A vacuum diaphragm pump capable of positive pressure operation according to claim 1, wherein: the valve plate assembly comprises an upper valve plate (7) and a lower valve plate (8), and a valve plate (9) is arranged between the upper valve plate (7) and the lower valve plate (8).

3. A vacuum diaphragm pump capable of achieving positive pressure operation according to claim 2, wherein: one side of the valve upper plate (7) far away from the pump body (1) is provided with screw rods (10), and the screw rods (10) are provided with four groups and are arranged in a rectangular shape.

4. A vacuum diaphragm pump capable of achieving positive pressure operation according to claim 3, wherein: one side of the lower valve plate (8) is attached to the upper side and the lower side of the pump body (1), and the bottom of the screw (10) sequentially penetrates through the upper valve plate (7) and the lower valve plate (8) and is bolted to the surface of the pump body (1).

5. A vacuum diaphragm pump capable of positive pressure operation according to claim 1, wherein: both sides all install curb plate (11) around pump body (1), curb plate (11) surface is through the surface bolt of bolt with pump body (1).

6. A vacuum diaphragm pump capable of positive pressure operation according to claim 1, wherein: one side of the pump body (1) far away from the motor (2) is provided with a blank cap (12), and the blank cap (12) is attached to the surface of the pump body (1) through a bolt.

7. A vacuum diaphragm pump capable of positive pressure operation according to claim 1, wherein: the upper side and the lower side of the pump body (1) are provided with clamping grooves matched with the support bowls (6), and the support bowls (6) are embedded in the upper side and the lower side of the pump body (1) through the clamping grooves.