CN210769585U

CN210769585U - Internal circulation type vacuum pump

Info

Publication number: CN210769585U
Application number: CN201921954879.8U
Authority: CN
Inventors: 杨九州; 宋江峰
Original assignee: Ningbo Heyu New Materials Technology Co ltd
Current assignee: Ningbo Heyu New Materials Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-16
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an internal circulation formula vacuum pump relates to vacuum pump technical field, including the installing support, the slipmat is installed at the top of installing support, and the internally mounted of slipmat has the tight pad of clamp, the outer wall that presss from both sides tight pad is installed the water tank, and the outer wall of water tank installs first outlet pipe, the overflow valve is installed to the one end of first outlet pipe, and the outer wall of overflow valve installs the second outlet pipe, first outlet duct is still installed to the outer wall of water tank, and the top of water tank installs the tank lid, the pothook is installed to the outer wall of tank lid, and the lower part of pothook installs latch mechanism, the top of tank lid is connected with the handle, and the inside of tank lid runs through there is first connecting pipe. The utility model discloses in, this inner loop formula vacuum pump has adopted one kind can be effectual with the setting of water tank and water tank lid fastening connection to can make water tank and water tank lid keep effectual closed state, the phenomenon of outer hourglass appears in the cooling water in the effectual water tank.

Description

Internal circulation type vacuum pump

Technical Field

The utility model relates to a vacuum pump technical field especially relates to an inner loop formula vacuum pump.

Background

With the development of science and technology and the progress of times, an internal circulation type vacuum pump, also called a circulating water type multipurpose vacuum pump, is composed of a pump body, an impeller, a motor, auxiliary parts and other parts, a proper amount of water is filled in the pump body as a working fluid, when the impeller rotates clockwise, the water is thrown to the periphery by the impeller, due to the action of centrifugal force, the water forms a closed circular ring which is approximately equal in thickness and is determined by the shape of a pump cavity, the inner surface of the lower part of the water ring is just tangent to the hub of the impeller, the inner surface of the upper part of the water ring is just contacted with the top end of a blade, a crescent space is formed between the hub of the impeller and the water ring, the space is divided into a plurality of small cavities with the same number as the blades by the impeller, and the circulating water type multipurpose vacuum pump realizes air suction, compression and.

The vacuum condition is generally provided for the chemistry experiment room to current inner loop formula vacuum pump to can provide recirculated cooling water to reaction unit, however the temperature of the inside water of circulated water formula vacuum pump can rise and lead to its vacuum to reduce in long-term use, in addition when adding water to the inside of circulated water formula vacuum pump, because there is impurity in the water, probably can block up the delivery port, cause equipment trouble, and it does not possess the function from taking the water tank, do not possess the sealed setting of case lid chucking, cause the outer hourglass phenomenon of water tank internal water easily.

Therefore, it is necessary to provide an internal circulation vacuum pump to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an inner loop formula vacuum pump has solved and has had impurity in the water, probably can block up the delivery port, causes equipment trouble to it does not possess the function from taking the water tank, and does not possess the sealed setting of tank lid chucking, causes the problem of the outer hourglass phenomenon of water tank internal water easily.

In order to solve the technical problem, the utility model provides an internal circulation vacuum pump, which comprises a mounting bracket, wherein the top of the mounting bracket is provided with a non-slip mat, the inner part of the non-slip mat is provided with a clamping mat, the outer wall of the clamping mat is provided with a water tank, the outer wall of the water tank is provided with a first water outlet pipe, one end of the first water outlet pipe is provided with an overflow valve, the outer wall of the overflow valve is provided with a second water outlet pipe, the outer wall of the water tank is also provided with a first air outlet pipe, the top of the water tank is provided with a water tank cover, the outer wall of the water tank cover is provided with a clamping hook, the lower part of the clamping hook is provided with a clamping mechanism, the top of the water tank cover is connected with a handle, the inner part of the water tank cover is provided with a first connecting pipe, one end of the first connecting, and the outer wall connection of vacuum machine has the second connecting pipe, communicating pipe is installed at second connecting pipe top, and the internally mounted of communicating pipe has the filter screen, the intake pipe is installed at the top of communicating pipe, the outer wall connection of vacuum machine has the inlet tube, and the bottom of vacuum machine installs the mounting panel, the outer wall connection of water tank has first outlet duct.

Preferably, the top end face of the mounting bracket is tightly attached to the bottom face of the non-slip mat, and the non-slip mat and the clamping mat form a detachable structure.

Preferably, the symmetrical center line of the non-slip mat coincides with the symmetrical center line of the water tank, and the clamping mechanisms are symmetrically distributed on the outer wall of the water tank.

Preferably, the second connecting pipe forms a communicating structure with the air inlet pipe through the communicating pipe, and the second connecting pipe forms a detachable structure with the communicating pipe, the filter screen and the air inlet pipe.

Preferably, the inside of clamping mechanism is including the mounting groove, and the cell wall of mounting groove has seted up the draw-in groove, the internally mounted of draw-in groove has the fixture block, and the one end of fixture block is connected with the control lever, the outside cover of control lever is equipped with reset spring.

Preferably, the symmetrical center of the mounting groove is perpendicular to the symmetrical center line of the clamping groove, and the clamping block, the clamping groove and the return spring form a springback structure.

Compared with the prior art, the utility model provides an inner loop formula vacuum pump has following beneficial effect:

the utility model provides an internal circulation type vacuum pump, this internal circulation type vacuum pump has adopted one kind and need not to provide the external cooling water of connection when vacuum environment in the chemical experiment, and the long-term heavy impurity of water accumulates in the device for a long time in the effectual solution, lead to the phenomenon of device jam, specifically adopt one kind with water to the internal setting of connecing in vacuum pump device, can effectually solve the external this experiment of water tank and bring inconvenient phenomenon, and the setting that has still adopted the filter screen can effectually get rid of impurity outside vacuum pump device, and then prevented the long-term use phenomenon of vacuum pump jam, this internal circulation type vacuum pump has adopted one kind can effectually make the setting of cooling water circulation, can solve the poor setting of water circulation effect, make the efficiency of whole equipment water circulation higher, more smooth and easy, specifically adopted liquid-gas separator, The overflow valve, the outlet pipe is in the setting of outlet duct to the separation, the phenomenon of mutual interference of outlet pipe and outlet duct can effectual reduction, this internal circulation formula vacuum pump has adopted one kind can be effectual with the setting of water tank and the fastening connection of water tank lid, and can make water tank and water tank lid keep effectual closed state, the phenomenon of outer hourglass appears in the cooling water in the effectual water tank, specifically, a simple structure has been adopted, the effectual clamping mechanism of dependable performance, the inseparable laminating of water tank lid and water tank is made to the fixture block looks joint on the fixture block in it and the water tank lid, prevent that the phenomenon of outer hourglass appears in the cooling water in the water tank, provide effective, stable, reliable cooling water for chemical experiment.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an internal circulation vacuum pump according to the present invention;

FIG. 2 is a schematic structural view of the latch mechanism of FIG. 1;

fig. 3 is a schematic structural view of the vacuum machine and the water inlet pipe shown in fig. 1.

Reference numbers in the figures: 1. the mounting bracket, 2, the slipmat, 3, press from both sides tight pad, 4, the overflow valve, 5, the water tank, 6, first outlet pipe, 7, first outlet duct, 8, latch mechanism, 801, the mounting groove, 802, the fixture block, 803, the draw-in groove, 804, the control lever, 805, reset spring, 9, the pothook, 10, the tank lid, 11, the handle, 12, the second outlet pipe, 13, first connecting pipe, 14, gas-liquid separation device, 15, the mounting panel, 16, the second outlet duct, 17, the intake pipe, 18, communicating pipe, 19, the filter screen, 20, the second connecting pipe, 21, the vacuum machine, 22, the inlet tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of an internal circulation vacuum pump according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the latch mechanism of FIG. 1; fig. 3 is a schematic structural view of the vacuum machine and the water inlet pipe shown in fig. 1. An internal circulation type vacuum pump comprises a mounting bracket 1, an anti-slip pad 2, a clamping pad 3, an overflow valve 4, a water tank 5, a first water outlet pipe 6, a first air outlet pipe 7, a clamping mechanism 8, a mounting groove 801, a clamping block 802, a clamping groove 803, a control rod 804, a reset spring 805, a clamping hook 9, a water tank cover 10, a handle 11, a second water outlet pipe 12, a first connecting pipe 13, a gas-liquid separation device 14, a mounting plate 15, a second air outlet pipe 16, an air inlet pipe 17, a communicating pipe 18, a filter screen 19, a second connecting pipe 20, a vacuum machine 21 and a water inlet pipe 22, wherein the anti-slip pad 2 is mounted at the top of the mounting bracket 1, the clamping pad 3 is mounted inside the anti-slip pad 2, the water tank 5 is mounted on the outer wall of the clamping pad 3, the first water outlet pipe 6 is mounted on the outer wall of the water tank, a first air outlet pipe 7 is also arranged on the outer wall of the water tank 5, a water tank cover 10 is arranged on the top of the water tank 5, a hook 9 is arranged on the outer wall of the water tank cover 10, the lower part of the hook 9 is provided with a clamping mechanism 8, the top of the water tank cover 10 is connected with a handle 11, and a first connection pipe 13 penetrates through the inside of the tank cover 10, one end of the first connection pipe 13 is provided with a gas-liquid separation device 14, and the outer wall of the gas-liquid separation device 14 is connected with a second air outlet pipe 16, the bottom end of the second air outlet pipe 16 is provided with a vacuum machine 21, and the outer wall of the vacuum machine 21 is connected with a second connecting pipe 20, the top of the second connecting pipe 20 is provided with a communicating pipe 18, a filter screen 19 is arranged inside the communicating pipe 18, an air inlet pipe 17 is arranged at the top of the communicating pipe 18, the outer wall of the vacuum machine 21 is connected with an inlet pipe 22, and the bottom of the vacuum machine 21 is provided with a mounting plate 15, and the outer wall of the water tank 5 is connected with a first air outlet pipe 7.

Further, the top end face of installing support 1 closely laminates with the bottom surface of slipmat 2 mutually, and slipmat 2 constitutes detachable construction with pressing from both sides tight pad 3, and such setting can be effectual through laminating installing support 1 and slipmat 2 mutually to it is fixed with water tank 5 under the effect that presss from both sides tight pad 3, prevents that the gas from sliding.

Further, the symmetry center line of slipmat 2 coincides mutually with the symmetry center line of water tank 5, and the outer wall symmetric distribution of water tank 5 has latch mechanism 8, and such setting is convenient for install water tank 5 in the inside of slipmat 2, also is convenient for install the outer wall at water tank 5 with pressing from both sides tight pad 3.

Further, the second connecting pipe 20 forms a communicating structure with the air inlet pipe 17 through the communicating pipe 18, and the second connecting pipe 20 forms a detachable structure with the communicating pipe 18, the filter screen 19 and the air inlet pipe 17, so that the gas passing through the air inlet pipe 17 can be effectively conveyed into the vacuum pump for effective circulation.

Further, the inside of the clamping mechanism 8 includes an installation groove 801, a groove wall of the installation groove 801 is provided with a groove 803, the inside of the groove 803 is provided with a fixture block 802, one end of the fixture block 802 is connected with a control rod 804, and the outside of the control rod 804 is sleeved with a return spring 805.

Furthermore, the symmetrical center of the mounting groove 801 is perpendicular to the symmetrical center line of the clamping groove 803, and the clamping block 802, the clamping groove 803 and the return spring 805 form a springback structure, so that the clamping block 802 mounted in the clamping groove 803 can be clamped conveniently through the mounting groove 801 when the water tank cover 10 of the clamping hook 9 descends, and the clamping of the water tank 5 and the water tank cover 10 can be effectively and smoothly carried out.

The utility model provides an inner loop formula vacuum pump's theory of operation as follows:

when the water tank anti-slip device is used, the anti-slip pad 2 arranged at the top of the mounting bracket 1 can enable the water tank 5 arranged in the anti-slip pad 2 through the clamping pad 3 to slide, the gas-liquid separation device 14 arranged on the mounting plate 15 can separate gas passing through the first connecting pipe 13 in the water tank 5 from cooling water passing through the second water outlet pipe 12 to prevent gas-liquid mutual interference, the handle 11 on the water tank cover 10 is convenient for taking out the water tank cover 10, the hook 9 can be clamped with the clamping block 802 arranged in the clamping mechanism 8 in the clamping groove 801 through the mounting groove 801, the reset spring 805 and the control rod 804 can ensure that the hook 9 is clamped with the clamping block 802, the first air outlet pipe 7 and the second air outlet pipe 16 can pump out the gas under the action of the vacuum machine 21, the overflow valve 4 can control the flow direction of liquid in the first water outlet pipe 6 and the second water outlet pipe 12, and the water, the air inlet pipe 17 and the second connecting pipe 20 connected through the communicating pipe 18 can enable air to enter the water tank 5, cooling water is pressed out through the air, and the filter screen 19 can filter impurities outside the vacuum machine 21 to ensure normal work of the air.

1. the utility model discloses in, this internal circulation formula vacuum pump has adopted one kind and need not to connect external cooling water when providing vacuum environment in the chemistry experiment, and the effectual long-term use of having solved is because of the heavy impurity of device water accumulates for a long time, lead to the phenomenon with the device jam, specifically adopt one kind with water to the setting of internal joint in vacuum pump device, can effectual solution with the external this experiment of water tank 5 inconvenient phenomenon, and the setting that has still adopted filter screen 19 can effectually get rid of impurity outside vacuum pump device, and then prevented the phenomenon of long-term use with the vacuum pump jam.

2. The utility model discloses in, this inner loop formula vacuum pump has adopted one kind can be effectual the setting of messenger's cooling water circulation, can solve the poor setting of hydrologic cycle effect, makes the efficiency of whole equipment hydrologic cycle higher, more smooth and easy, specifically has adopted gas-liquid separation device 14, overflow valve 4, outlet pipe and outlet duct to the setting of separation, can effectual reduction outlet pipe and the phenomenon of the mutual interference of outlet duct.

3. The utility model discloses in, this internal circulation formula vacuum pump has adopted one kind can be effectual with

water tank

5 and 10 fastening connection's of tank lid setting, and can make water tank 5 and tank lid 10 keep effectual closed condition, the outer phenomenon of leaking appears in the cooling water in the effectual water tank 5, specifically a simple structure has been adopted, the effectual latch mechanism 8 of dependable performance, the inside fixture block 802 of accessible makes tank lid 10 and the inseparable laminating of water tank 5 with pothook 9 looks joint on the water tank lid 10, prevent that the phenomenon of leaking appears in the cooling water in the water tank 5, provide effective, stable, reliable cooling water for chemical experiment.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An internal circulation type vacuum pump comprises a mounting bracket (1) and is characterized in that a non-slip mat (2) is mounted at the top of the mounting bracket (1), a clamping mat (3) is mounted inside the non-slip mat (2), a water tank (5) is mounted on the outer wall of the clamping mat (3), a first water outlet pipe (6) is mounted on the outer wall of the water tank (5), an overflow valve (4) is mounted at one end of the first water outlet pipe (6), a second water outlet pipe (12) is mounted on the outer wall of the overflow valve (4), a first air outlet pipe (7) is further mounted on the outer wall of the water tank (5), a water tank cover (10) is mounted at the top of the water tank (5), a clamping hook (9) is mounted on the outer wall of the water tank cover (10), a clamping mechanism (8) is mounted at the lower part of the clamping hook (9), and a, and the inside of tank lid (10) runs through there is first connecting pipe (13), gas-liquid separation device (14) is installed to the one end of first connecting pipe (13), and the outer wall of gas-liquid separation device (14) is connected with second outlet duct (16), vacuum machine (21) are installed to the bottom of second outlet duct (16), and the outer wall of vacuum machine (21) is connected with second connecting pipe (20), communicating pipe (18) are installed at second connecting pipe (20) top, and the internally mounted of communicating pipe (18) has filter screen (19), intake pipe (17) are installed at the top of communicating pipe (18), the outer wall of vacuum machine (21) is connected with inlet tube (22), and mounting panel (15) are installed to the bottom of vacuum machine (21), the outer wall of water tank (5) is connected with first outlet duct (7).

2. An internal circulation vacuum pump according to claim 1, wherein the top end surface of the mounting bracket (1) is closely attached to the bottom surface of the non-slip mat (2), and the non-slip mat (2) and the clamping mat (3) form a detachable structure.

3. An internal circulation vacuum pump according to claim 1, characterized in that the center line of symmetry of the non-slip mat (2) coincides with the center line of symmetry of the water tank (5), and the outer wall of the water tank (5) is symmetrically distributed with snap-in mechanisms (8).

4. An internal circulation vacuum pump according to claim 1, wherein the second connecting pipe (20) forms a communicating structure with the air inlet pipe (17) through the communicating pipe (18), and the second connecting pipe (20) forms a detachable structure with the communicating pipe (18), the filter screen (19) and the air inlet pipe (17).

5. An internal circulation type vacuum pump according to claim 1, wherein the clamping mechanism (8) comprises an installation groove (801) inside, a clamping groove (803) is formed in a groove wall of the installation groove (801), a clamping block (802) is installed inside the clamping groove (803), one end of the clamping block (802) is connected with a control rod (804), and a return spring (805) is sleeved outside the control rod (804).

6. An internal circulation vacuum pump according to claim 5, wherein the centre of symmetry of the mounting groove (801) is perpendicular to the centre of symmetry of the slot (803), and the latch (802) forms a resilient structure with the slot (803) and the return spring (805).