CN210422929U

CN210422929U - Vacuum pump for pesticide production

Info

Publication number: CN210422929U
Application number: CN201921196540.6U
Authority: CN
Inventors: 朱建伟; 魏凤彪; 徐向荣
Original assignee: Beijing Kingbo Biotech Co ltd
Current assignee: Beijing Kingbo Biotech Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-28
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a vacuum pump for pesticide production, which comprises a bod, there is the bearing shell surface on the right side of organism through bolted connection respectively, and has cup jointed the bent axle pole in the middle of the bearing shell, and the bottom welding of bent axle pole has the band pulley, the centre of bent axle pole is provided with the axle bush, and the left side welding of axle bush has the connecting rod, the surface cover of connecting rod has the sleeve, and the sleeve passes through the cross head pin to be connected with the cross head, the left side intermediate junction of cross head has the piston rod, and the bottom welding of piston rod has the piston, the left side of organism is passed through the bolt and is connected. The utility model discloses there are multiunit admission valve and discharge valve can improve the efficiency of bleeding of vacuum pump, and pass through the bolt fastening between each part, convenient to detach and maintenance, and the outside of piston motion room is provided with the water pipe, increases the radiating effect of inner chamber about the cylinder block, improves the life of vacuum pump.

Description

Vacuum pump for pesticide production

Technical Field

The utility model relates to a vacuum pump technical field specifically is a vacuum pump for pesticide production.

Background

Along with the continuous development of science and technology, the standard of living constantly improves, reciprocating vacuum pump, be an equipment of acquireing the vacuum, because its pumping speed is bigger, its wide application is the vacuum treatment in trades such as petroleum, the chemical industry, medical science, but the vacuum pump of present pesticide production usefulness only has an admission valve, lead to work efficiency step-down, and the vacuum pump is whole to be not convenient for dismantle the maintenance between, in addition, current vacuum pump all is connected with relevant equipment through the water inlet, because do not all design and filter and buffer structure, the impact of rivers, it is not hard up easily to lead to the junction, the water that contains impurity simultaneously enters into inside the vacuum pump, easily cause wearing and tearing to the inside part of vacuum pump, influence its normal work, consequently need to provide a vacuum pump for pesticide production to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum pump for pesticide production is with only an admission valve of proposition in order to solve above-mentioned background art, leads to work efficiency step-down, and the vacuum pump is not convenient for dismantle the maintenance between whole, and in the piston motion, the easy heat that produces, cooling that can not be timely leads to the problem of the damage of vacuum pump.

In order to achieve the above object, the utility model provides a following technical scheme: a vacuum pump for pesticide production comprises a machine body, wherein the upper surface and the lower surface of the right side of the machine body are respectively connected with a bearing shell through bolts, a crankshaft rod is sleeved in the middle of the bearing shell, a belt wheel is welded at the bottom end of the crankshaft rod, a bearing bush is arranged in the middle of the crankshaft rod, and the left side of the bearing bush is welded with a connecting rod, the surface of the connecting rod is sleeved with a sleeve, the sleeve is connected with a crosshead through a crosshead pin, the middle of the left side of the crosshead is connected with a piston rod, and the bottom end of the piston rod is welded with a piston, the left side of the machine body is connected with the cylinder body through a bolt, and a cooling pipe is arranged in the machine body, the left side of the cylinder body is connected with a cylinder cover through a bolt, the bottom end surface of the cylinder body is connected with a gas valve box cover, and the inside of the air valve box cover is respectively connected with a second air inlet valve and a first air exhaust valve, and the top end of the air valve box body is connected with a needle valve type oil injection cup.

Preferably, the top end of the front side of the machine body is connected with an oil filling port, and the right side surface of the machine body is provided with an oil pointer.

Preferably, the left side of organism is provided with first admission valve and second discharge valve respectively, and first admission valve and second discharge valve are connected on the right side of the interior right chamber of cylinder.

Preferably, the cooling pipe is in a threaded structure, one end of the cooling pipe is connected with a water outlet, the other end of the cooling pipe is connected with a water inlet, and a buffer piece is arranged in the water inlet.

Preferably, the bolster includes the clamping ring, strains pocket, dead lever, connecting rod and impeller, one side fixed mounting of clamping ring strains the pocket, the opposite side of clamping ring is connected with the connecting rod through the dead lever, and the connecting rod passes through the bearing and installs the impeller, the draw-in groove has been seted up on the inside of water inlet, and the inboard size of draw-in groove is the same with the outside size of clamping ring, bolster and water inlet are embedded connection structure.

Preferably, the second intake valve and the first exhaust valve are connected to a left chamber of the cylinder block through a vent hole.

Compared with the prior art, the beneficial effects of the utility model are that: this vacuum pump for pesticide production is provided with multiunit admission valve and discharge valve and can improves the efficiency of bleeding of vacuum pump, and passes through the bolt fastening between each part, convenient to detach and maintenance.

1. The device is connected with the pneumatic valve case lid in the bottom of cylinder block, and the inside of pneumatic valve case lid is provided with second admission valve and first discharge valve, the second admission valve, the left chamber of cylinder block is connected through the gas pocket to first discharge valve, a gas flow in the left intracavity in the cylinder block, and there are first admission valve and second discharge valve on the right side in the right chamber in the cylinder block, through first admission valve and second discharge valve to the air discharge and the inspiration of cylinder block right intracavity, set up multiunit admission valve and discharge valve, improve the efficiency of bleeding of vacuum pump, improve work efficiency.

2. Through being provided with the bolster, and be provided with in the bolster and strain the pocket, on the one hand, can filter the inside rivers that get into the organism through straining the pocket to reduce the wearing and tearing of water impurity to organism internals, on the other hand, the impeller on the bolster utilizes the rivers impact force that gets into the organism, makes the impeller rotate, thereby slows down the velocity of flow that rivers got into the organism, can prevent effectively that the velocity of water is too big, causes the water inlet junction to take place not hard up the condition.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic top view of the cooling tube and the piston of the present invention;

FIG. 4 is a front view of the cooling tube of the present invention;

FIG. 5 is a schematic top view of the buffer structure of the present invention;

fig. 6 is a front view schematically illustrating the structure of the buffer member of the present invention.

In the figure: 1. a body; 2. a crosshead; 3. a crosshead pin; 4. a connecting rod; 5. bearing bushes; 6. a sleeve; 7. a bearing housing; 8. a crankshaft rod; 9. a pulley; 10. a first intake valve; 11. a cylinder block; 12. a cooling tube; 13. a cylinder head; 14. a piston; 15. a piston ring; 16. a second intake valve; 17. a cover of the air valve box; 18. a first exhaust valve; 19. a piston rod; 20. a second exhaust valve; 21. oil marks; 22. an oil filler; 23. a water outlet; 24. a needle valve type oiling cup; 25. a water inlet; 26. a buffer member; 261. a connecting ring; 262. filtering the bag; 263. fixing the rod; 264. a connecting rod; 265. an impeller.

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. 1-4, the present invention provides an embodiment: the utility model provides a vacuum pump for pesticide production, which comprises a bod 1, there is bearing housing 7 surface respectively through bolted connection about the right side of organism 1, and crankshaft 8 has been cup jointed in the centre of bearing housing 7, be used for driving connecting rod 4 and be reciprocating motion, and the bottom welding of crankshaft 8 has band pulley 9, the centre of crankshaft 8 is provided with axle bush 5, and the left side welding of axle bush 5 has connecting rod 4, the cover of connecting rod 4 has sleeve 6, and sleeve 6 is connected with cross head 2 through cross head pin 3, the left side intermediate junction of cross head 2 has piston rod 19, be used for changing the running direction of sleeve 6, make piston 14 keep moving about, increase the seal of vacuum pump, and the bottom welding of piston rod 19 has piston 14, the surface connection of piston 14 has piston ring 15, increase piston 14 at the inside sealed effect of cylinder block 11.

The left side of the machine body 1 is connected with the cylinder body 11 through a bolt, the interior of the machine body 1 is provided with a cooling pipe 12, the cooling pipe 12 is in a threaded structure, condensate is injected into the cooling pipe 12 to absorb heat and dissipate heat inside the machine body 1, the machine body 1 is provided with a water inlet 25 and a water outlet 23, the water inlet 25 is provided with a buffer 26, the buffer 26 comprises a connecting ring 261, a filtering pocket 262, a fixing rod 263, a connecting rod 264 and an impeller 265, one side of the connecting ring 261 is fixedly provided with the filtering pocket 262, the other side of the connecting ring 261 is connected with the connecting rod 264 through the fixing rod 263, the connecting rod 264 is provided with the impeller 265 through a bearing, the interior of the water inlet 25 is provided with a clamping groove, the inner side dimension of the clamping groove is the same as the outer side dimension of the connecting ring 261, the buffer 26 and the water inlet 25 are in an embedded connection structure, in order to reduce the wearing and tearing of water impurity to organism 1 internal component, on the other hand, impeller 265 on bolster 26, utilize the rivers impact force that gets into organism 1, make impeller 265 rotate, thereby slow down the velocity of flow that rivers got into organism 1, can prevent effectively that the velocity of water is too big, cause the not hard up condition of water inlet 25 junction emergence, there is cylinder head 13 on the left side of cylinder block 11 through bolted connection, the bottom surface of cylinder block 11 is connected with valve box cover 17, and the inside of valve box cover 17 is connected with second admission valve 16 and first exhaust valve 18 respectively, second admission valve 16 passes through the left cavity of air vent connection cylinder block 11 with first exhaust valve 18, can go into and give vent to anger to the left cavity inside of cylinder block 11, the top of cylinder block 11 is connected with needle valve formula oiling cup.

The positive top of organism 1 is connected with oil filler 22, the right side surface of organism 1 is provided with oil pointer 21, can observe the condition of 1 inside fluid of organism through oil pointer 21, can add fluid through oil filler 22, guarantee 1 inside machine part's of organism lubricity, improve the life of vacuum pump, the left side of organism 1 is provided with first admission valve 10 and second discharge valve 20 respectively, and first admission valve 10 and second discharge valve 20 are connected on the right side of the right side chamber in cylinder block 11, take a breath and exhaust right side chamber in cylinder block 11, guarantee that the atmospheric pressure in the right side chamber is the same with outside atmospheric pressure value in cylinder block 11, prevent that the pressure differential is too big, influence the result of use of vacuum pump, the air extraction efficiency of vacuum pump can be improved to multiunit admission valve and discharge valve, and work efficiency is improved.

The working principle is as follows: when the gas exhaust device runs, the belt wheel 9 is driven to rotate by the motor, the belt wheel 9 drives the crankshaft rod 8 to rotate, the crankshaft rod 8 drives the bearing bush 5 to rotate, the bearing bush 5 drives the connecting rod 4 to reciprocate, the connecting rod 4 drives the piston rod 19 to move, the piston rod 19 drives the piston 14 to move, the piston 14 does reciprocating motion in the cylinder body 11, when the piston 14 moves towards the right side in the cylinder body 11, the gas density is less and less due to the fact that the volume in the left cavity in the cylinder body 11 is larger and larger, and therefore the gas exhaust process is formed, gas in a container enters the left side of the piston 14 through the second gas inlet valve 16, when the piston 14 reaches the rightmost position, the second exhaust valve 20 exhausts the air in the right cavity of the cylinder body 11, and the left cavity in the cylinder body 11 is filled with the gas.

Then the piston 14 moves to the left side, at this time the second exhaust valve 20 is closed, the gas in the left cavity of the cylinder block 11 is gradually compressed along with the movement of the piston 14 from right to left, when the gas pressure in the left cavity of the cylinder block 11 reaches a certain degree, the piston 14 is opened, the gas is discharged into the air, a work cycle is completed, when the piston 14 moves from left to right, a part of gas is sucked again, the cycle is repeated until the gas pressure in the container reaches a certain value, when the vacuum pump works, the cooling liquid in the cooling pipe 12 can reduce the heat generated by the piston 14 in the movement process, increase the heat dissipation effect and prolong the service life of the vacuum pump.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vacuum pump for pesticide production, includes organism (1), its characterized in that: the upper surface and the lower surface of the right side of the engine body (1) are respectively connected with a bearing shell (7) through bolts, the middle of the bearing shell (7) is sleeved with a crankshaft rod (8), a belt wheel (9) is welded at the bottom end of the crankshaft rod (8), a bearing bush (5) is arranged in the middle of the crankshaft rod (8), a connecting rod (4) is welded at the left side of the bearing bush (5), a sleeve (6) is sleeved on the surface of the connecting rod (4), the sleeve (6) is connected with a crosshead (2) through a crosshead pin (3), a piston rod (19) is connected in the middle of the left side of the crosshead (2), a piston (14) is welded at the bottom end of the piston rod (19), the left side of the engine body (1) is connected with an engine body (11) through bolts, a cooling pipe (12) is arranged inside the engine body (1), and a cylinder, the bottom end surface of the cylinder body (11) is connected with a gas valve box cover (17), the inside of the gas valve box cover (17) is connected with a second gas inlet valve (16) and a first gas exhaust valve (18) respectively, and the top end of the cylinder body (11) is connected with a needle valve type oil filling cup (24).

2. The vacuum pump for producing agricultural chemicals according to claim 1, characterized in that: the front top end of the machine body (1) is connected with an oil filling port (22), and the right side surface of the machine body (1) is provided with an oil pointer (21).

3. The vacuum pump for producing agricultural chemicals according to claim 1, characterized in that: the left side of organism (1) is provided with first admission valve (10) and second discharge valve (20) respectively, and first admission valve (10) and second discharge valve (20) are connected on cylinder block (11) inner right chamber right side.

4. The vacuum pump for producing agricultural chemicals according to claim 1, characterized in that: the shape of cooling tube (12) is helicitic texture, and the one end of cooling tube (12) is connected with delivery port (23), the other end of cooling tube (12) is connected with water inlet (25), be provided with bolster (26) in water inlet (25).

5. The vacuum pump for production of agricultural chemicals according to claim 4, characterized in that: bolster (26) are including clamping ring (261), strain pocket (262), dead lever (263), connecting rod (264) and impeller (265), one side fixed mounting of clamping ring (261) strains pocket (262), the opposite side of clamping ring (261) is connected with connecting rod (264) through dead lever (263), and connecting rod (264) installs impeller (265) through the bearing, the draw-in groove has been seted up on the inside of water inlet (25), and the inboard size of draw-in groove is the same with the outside size of clamping ring (261), bolster (26) are embedded connection structure with water inlet (25).

6. The vacuum pump for producing agricultural chemicals according to claim 1, characterized in that: the second air inlet valve (16) and the first air outlet valve (18) are connected with a left chamber of the cylinder body (11) through vent holes.