CN219570336U

CN219570336U - Single-stage claw type vacuum pump with sealing structure

Info

Publication number: CN219570336U
Application number: CN202320589509.9U
Authority: CN
Inventors: 滕永强; 胡厚坤; 席素琴; 蒯治铭; 唐何恺
Original assignee: Jiangyin Huaxi Energy Saving Technology Co ltd
Current assignee: Jiangyin Huaxi Energy Saving Technology Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-22
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a single-stage claw type vacuum pump with a sealing structure, which comprises a vacuum pump main body and a sealing mechanism, wherein the vacuum pump main body comprises a gear box, a base and a motor, a liquid outlet hole is formed in the left side of the gear box, the sealing mechanism is arranged between the gear box and the liquid outlet hole, the sealing mechanism comprises a supporting rod, a lantern ring, a sealing ring and a gasket, the lantern ring is sleeved outside the end part of the liquid outlet hole, the sealing ring is fixed inside the lantern ring, the gasket is arranged on the inner surface of the sealing ring, and the supporting rod is arranged between the lantern ring and the side surface of the gear box; according to the utility model, the vacuum pump main body, the liquid outlet hole, the liquid pipe and the sealing mechanism are combined, so that the joint of the liquid outlet hole and the liquid pipe can be surrounded and sealed, the condition that liquid leakage occurs to the rubber ring at the joint of the liquid outlet hole and the liquid pipe due to insufficient pressing force is avoided, the liquid conveying tightness is improved, and the stability and the safety of the conveying medium of the whole vacuum pump main body are improved.

Description

Single-stage claw type vacuum pump with sealing structure

Technical Field

The utility model belongs to the technical field of vacuum pumps, and particularly relates to a single-stage claw type vacuum pump with a sealing structure.

Background

Vacuum pumps refer to devices or apparatus that draw air from a container being evacuated using mechanical, physical, chemical, or physicochemical means to obtain a vacuum. It is widely used in metallurgy, chemical industry, food, electronic coating and other fields. A single-stage claw vacuum pump is one of them, for example, a high-reliability single-stage claw vacuum pump of publication No. CN 217080718U.

When the liquid outlet hole on the gearbox of the existing vacuum pump is connected with an external pipeline, the sealing gasket between the pipeline and the liquid outlet hole is possibly uneven due to the fact that bolts on the flange at the joint are screwed down, so that the problem that liquid leakage is likely to occur due to the fact that sealing pressing force is reduced is solved, and therefore the single-stage claw type vacuum pump with the sealing structure is provided.

Disclosure of Invention

The utility model aims to provide a single-stage claw type vacuum pump with a sealing structure, which solves the problem that liquid leakage possibly occurs at the joint of a liquid outlet hole and a pipeline on a vacuum pump gear box provided in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take seal structure's single-stage claw formula vacuum pump, includes vacuum pump main part and sealing mechanism, the vacuum pump main part includes gear box, base and motor, the gear box left side is provided with out the liquid hole, sealing mechanism installs between gear box and play liquid hole, sealing mechanism includes bracing piece, lantern ring, sealing washer and packing ring, the lantern ring cover is established in out liquid hole tip outside, the lantern ring inside is fixed with the sealing washer, the sealing washer internal surface is provided with the packing ring, be provided with the bracing piece between lantern ring and the gear box side.

Preferably, the cross section of the gasket is isosceles triangle, and the end part of the gasket extends to the side surface of the liquid outlet hole.

Preferably, the support rod is fixed on the side face of the gear box, a fixing ring is arranged on the outer surface of the lantern ring, the end portion of the support rod penetrates through the fixing ring to be exposed to the outer side, and a limiting rod is vertically arranged on the surface of the fixing ring in a screwing mode.

Preferably, the inner end of the limiting rod is in contact with the surface of the supporting rod, and the sealing ring and the gasket are made of rubber.

Preferably, the outer surface of the lantern ring is provided with a fixed arc plate, and the surface of the fixed arc plate is vertical and is rotatably provided with a clamping rod.

Preferably, the right side of the gear box is provided with a motor, a supporting component is arranged between the end part of the motor and the base, the supporting component comprises a supporting arc plate, a supporting plate, a fixing plate and a connecting bolt, and the supporting arc plate is positioned on the lower surface of the motor.

Preferably, the supporting plate is vertically fixed on the lower surface of the supporting arc plate, the fixing plate is fixed on the upper surface of the base, and the connecting bolt penetrates through the fixing plate to be in threaded connection with the supporting plate.

Preferably, a base is arranged at the bottom of the gear box, and an oil sight glass is arranged on the upper surface of the gear box.

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

(1) According to the utility model, the vacuum pump main body, the liquid outlet hole, the liquid pipe and the sealing mechanism are combined, so that the joint of the liquid outlet hole and the liquid pipe can be surrounded and sealed, the condition that liquid leakage occurs to the rubber ring at the joint of the liquid outlet hole and the liquid pipe due to insufficient pressing force is avoided, the liquid conveying tightness is improved, and the stability and the safety of the conveying medium of the whole vacuum pump main body are improved.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a schematic structural view of the sealing mechanism of the present utility model;

FIG. 3 is a schematic view of a support assembly according to the present utility model;

in the figure: 100. a vacuum pump main body; 101. a gear box; 1011. a liquid outlet hole; 102. a base; 103. a motor; 200. a sealing mechanism; 201. a support rod; 202. a collar; 2021. a fixing ring; 2022. a limit rod; 203. a seal ring; 204. a gasket; 300. a support assembly; 301. supporting an arc plate; 302. a support plate; 303. a fixing plate; 304. and (5) connecting bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a take seal structure's single-stage claw vacuum pump, including vacuum pump main part 100 and sealing mechanism 200, vacuum pump main part 100 includes gear box 101, base 102 and motor 103, the gear box 101 left side is provided with out liquid hole 1011, out liquid hole 1011 can be connected with external liquid pipe, the convenience is carried to the material, sealing mechanism 200 installs between gear box 101 and out liquid hole 1011, sealing mechanism 200 includes bracing piece 201, the lantern ring 202, sealing washer 203 and packing ring 204, sealing mechanism 200 can surround the liquid hole 1011 and liquid pipe junction and seal, avoid appearing the condition that the liquid leakage overflows, the lantern ring 202 cover is established in out liquid hole 1011 tip outside, the lantern ring 202 inside is fixed with sealing washer 203, the sealing washer 203 internal surface is provided with packing ring 204, be provided with bracing piece 201 between lantern ring 202 and the gear box 101 side, and can be provided with two bracing pieces 201 between the two, bracing piece 201 pass through the screw installation fixedly, the convenience dismouting.

In this embodiment, the cross section of the gasket 204 is preferably isosceles triangle, so that the inner end of the gasket 204 extends to the gap between the liquid outlet 1011 and the liquid pipe, and the sealing effect is achieved, and the end of the gasket 204 extends to the side of the liquid outlet 1011.

In this embodiment, preferably, the supporting rod 201 is fixed on the side of the gear case 101, the outer surface of the collar 202 is provided with a fixing ring 2021, the limiting rod 2022 and the supporting rod 201 are combined, the height position of the collar 202 can be changed according to the size of the liquid outlet 1011, the collar is conveniently sleeved outside the liquid outlet 1011, the end portion of the supporting rod 201 passes through the fixing ring 2021 to be exposed outside, the limiting rod 2022 is vertically screwed on the surface of the fixing ring 2021, the inner end of the limiting rod 2022 is in contact with the surface of the supporting rod 201, the detachable connection between the fixing ring 2021 and the supporting rod 201 can be realized by using the contacted friction resistance, and the sealing ring 203 and the gasket 204 are made of rubber.

In this embodiment, preferably, the outer surface of the collar 202 is provided with a fixed arc plate, two fixed arc plates can be distributed relatively, the fixed arc plates are located at the outer side of the liquid pipe relatively, the surfaces of the fixed arc plates are perpendicular and are screwed with clamping rods, and the two clamping rods can clamp the liquid pipe relatively and support the liquid pipe.

In sum, two bracing pieces 201 pass through the fix with screw at gear box 101 side and lie in the liquid hole 1011 both sides, the lantern ring 202 cover is established in the liquid hole 1011 outside, along with the liquid pipe is close to liquid hole 1011, sealing washer 203 and two circumference surface extrusion contact, the gap of two junction is aimed at to the packing ring 204 pointed end simultaneously, two tip flange plates are aligned and pass through bolted connection fixedly, screw gag lever post 2022 makes its tip and bracing piece 201 surface contact, spacing fixed to lantern ring 202 position, increase lantern ring 202 and sealing washer 203 installation use steadiness, simultaneously rotate two chucking poles and make its tip to the relative chucking of liquid pipe, increase liquid pipe installation tightness and installation intensity, along with the vacuum pump work, sealing washer 203 and packing ring 204 surround the sealing to liquid pipe and liquid hole 1011 junction, avoid the condition that the liquid leaks.

Example 2

Referring to fig. 1-3, a second embodiment of the present utility model is shown, which differs from the previous embodiment.

In this embodiment, preferably, the right side of the gear case 101 is provided with the motor 103, a supporting component 300 is disposed between the end of the motor 103 and the base 102, the supporting component 300 can play a role in supporting and stabilizing the motor 103, not only increasing the installation stability of the motor, but also playing a role in buffering, and improving the installation and use strength of the motor 103, the supporting component 300 includes a supporting arc plate 301, a supporting plate 302, a fixing plate 303 and a connecting bolt 304, the supporting arc plate 301 is located on the lower surface of the motor 103, the supporting plate 302 is vertically fixed on the lower surface of the supporting arc plate 301, the supporting arc plate 301 and the motor 103 can be supported, the fixing plate 303 is fixed on the upper surface of the base 102, and the connecting bolt 304 passes through the fixing plate 303 to be in threaded connection with the supporting plate 302, so as to realize detachable connection of the two.

In this embodiment, preferably, the bottom of the gear case 101 is provided with a base 102, and the upper surface of the gear case 101 is provided with an oil sight glass.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take seal structure's single-stage claw vacuum pump, includes vacuum pump main part (100) and sealing mechanism (200), vacuum pump main part (100) include gear box (101), base (102) and motor (103), gear box (101) left side is provided with play liquid hole (1011), its characterized in that: the sealing mechanism (200) is installed between the gear box (101) and the liquid outlet hole (1011), the sealing mechanism (200) comprises a supporting rod (201), a sleeve ring (202), a sealing ring (203) and a gasket (204), the sleeve ring (202) is sleeved outside the end part of the liquid outlet hole (1011), the sealing ring (203) is fixed inside the sleeve ring (202), the gasket (204) is arranged on the inner surface of the sealing ring (203), and the supporting rod (201) is arranged between the sleeve ring (202) and the side surface of the gear box (101).

2. A single stage claw vacuum pump with a sealing structure according to claim 1, wherein: the cross section of the gasket (204) is isosceles triangle, and the end part of the gasket (204) extends to the side surface of the liquid outlet hole (1011).

3. A single stage claw vacuum pump with a sealing structure according to claim 1, wherein: the support rod (201) is fixed on the side face of the gear box (101), a fixing ring (2021) is arranged on the outer surface of the sleeve ring (202), the end portion of the support rod (201) penetrates through the fixing ring (2021) to be exposed to the outside, and a limit rod (2022) is arranged on the surface of the fixing ring (2021) in a screwing mode.

4. A single stage claw vacuum pump with a sealing structure according to claim 3 wherein: the inner end of the limiting rod (2022) is in contact with the surface of the supporting rod (201), and the sealing ring (203) and the gasket (204) are made of rubber.

5. A single stage claw vacuum pump with a sealing structure according to claim 1, wherein: the outer surface of the lantern ring (202) is provided with a fixed arc plate, and the surface of the fixed arc plate is vertical and is rotatably provided with a clamping rod.

6. A single stage claw vacuum pump with a sealing structure according to claim 1, wherein: the gearbox (101) right side is provided with motor (103), be provided with supporting component (300) between motor (103) tip and base (102), supporting component (300) are including supporting arc board (301), backup pad (302), fixed plate (303) and connecting bolt (304), supporting arc board (301) are located motor (103) lower surface.

7. A single stage claw vacuum pump with a sealing structure as claimed in claim 6 wherein: the support plate (302) is vertically fixed on the lower surface of the support arc plate (301), the fixing plate (303) is fixed on the upper surface of the base (102), and the connecting bolt (304) penetrates through the fixing plate (303) to be in threaded connection with the support plate (302).

8. A single stage claw vacuum pump with a sealing structure according to claim 1, wherein: the bottom of the gear box (101) is provided with a base (102), and the upper surface of the gear box (101) is provided with an oil sight glass.