CN211474358U - Vacuum pump that leakproofness is good - Google Patents

Abstract

The utility model discloses a vacuum pump that leakproofness is good, which comprises a pump body, the left side intercommunication at pump body top has the outlet duct, the right side intercommunication at pump body top has the intake pipe, the top of outlet duct and intake pipe all communicates there is the connecting pipe, the surface of outlet duct and intake pipe all overlaps and is equipped with the lagging, swing joint has the sealing washer between connecting pipe and the outlet duct, the both sides of lagging inner wall all run through and are provided with the pull rod, the outside fixedly connected with arm-tie of pull rod, the inboard fixedly connected with movable plate of pull rod, the inboard fixedly connected with cardboard of movable plate. The utility model discloses a cooperation of lagging, arm-tie, cardboard, sealing washer, movable plate, pull rod, chucking spring, spacing groove, slide bar and baffle is used, has solved current vacuum pump and has not possessed the good function of leakproofness when using, often the vacuum pump gas outlet only passes through the iron wire ligature with external pipeline, and not only the leakproofness is not good, the problem that people's use of still being not convenient for.

Description

Vacuum pump that leakproofness is good

Technical Field

The utility model relates to a vacuum pump technical field specifically is a vacuum pump that leakproofness is good.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physical-chemical method, is a device for improving, generating and maintaining vacuum in a certain closed space by using various methods, can be basically divided into two types, namely a gas capture pump and a gas transmission pump according to the working principle of the vacuum pump, and is widely applied to industries such as metallurgy, chemical engineering, food, electronic coating and the like.

Vacuum pump all uses widely in each trade, and current vacuum pump does not possess the good function of leakproofness when using, often vacuum pump gas outlet and external pipeline only pass through the iron wire ligature, and not only the leakproofness is not good, still not convenient to people use, for this reason, we provide a vacuum pump that the leakproofness is good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a vacuum pump that leakproofness is good possesses the advantage that the leakproofness is good, has solved current vacuum pump and does not possess the function that the leakproofness is good when using, often vacuum pump gas outlet only passes through the iron wire ligature with external pipeline, and not only the leakproofness is not good, the problem that people's of still being not convenient for used.

(II) technical scheme

For the purpose that realizes that above-mentioned leakproofness is good, the utility model provides a following technical scheme: the utility model provides a vacuum pump that leakproofness is good, includes the pump body, the left side intercommunication at pump body top has the outlet duct, the right side intercommunication at pump body top has the intake pipe, the top of outlet duct and intake pipe all communicates there is the connecting pipe, the surface of outlet duct and intake pipe all overlaps and is equipped with the lagging, swing joint has the sealing washer between connecting pipe and the outlet duct, the both sides of lagging inner wall all run through and are provided with the pull rod, the outside fixedly connected with arm-tie of pull rod, the inboard fixedly connected with movable plate of pull rod, the inboard fixedly connected with cardboard of movable plate, the inboard of cardboard and the outside in close contact with of sealing washer, the surface cover of pull rod is equipped with the chucking spring, the top and the equal fixedly connected with baffle in bottom of.

Preferably, the top and the bottom of the moving plate are both fixedly connected with sliding rods, the inner side of the baffle is provided with a limiting groove matched with the sliding rods for use, and the inner wall of the limiting groove is in sliding connection with the outer sides of the sliding rods.

Preferably, the inner side of the chucking spring is fixedly connected with the outer side of the moving plate, and the outer side of the chucking spring is fixedly connected with the inner wall of the sleeve plate.

Preferably, the bottom fixedly connected with base of the pump body, the bottom fixedly connected with bottom plate of base, the equal threaded connection in both sides of bottom plate inner chamber has connecting bolt, the bottom plate passes through connecting bolt and is connected with ground.

(III) advantageous effects

Compared with the prior art, the utility model provides a vacuum pump that leakproofness is good possesses following beneficial effect:

1. the utility model discloses a lagging, the arm-tie, the cardboard, the sealing washer, the movable plate, the pull rod, the chucking spring, the spacing groove, the cooperation of slide bar and baffle is used, stimulate to the outside through the arm-tie, the arm-tie drives the pull rod and removes, the removal of pull rod drives the movable plate and removes, movable plate pulling cardboard removes, it takes place to deform to make the chucking spring through the removal of movable plate, be connected sealing washer and outlet duct and connecting pipe, then the lagging cover is established on the surface of outlet duct and connecting pipe, loosen the arm-tie, make the chucking spring resume deformation block the sealing washer with the cardboard, the advantage that the leakproofness is good has been reached, the current vacuum pump of having solved does not possess the good function of leakproofness when using, often the vacuum pump gas outlet only passes through the iron wire ligature with external pipeline, not only.

2. The utility model discloses a spacing groove plays spacing effect to the removal of slide bar, prevents that the phenomenon of skew can appear at the removal in-process in the slide bar.

3. The utility model discloses a bottom plate has improved the stability of the pump body during operation, prevents that unstable situation can appear at the during operation of the pump body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the deck structure of the present invention;

fig. 3 is a top view of the sealing ring structure of the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a pump body; 2. an air outlet pipe; 3. a connecting pipe; 4. sheathing; 5. an air inlet pipe; 6. a base plate; 7. a base; 8. a connecting bolt; 9. pulling a plate; 10. clamping a plate; 11. a seal ring; 12. moving the plate; 13. a pull rod; 14. a chucking spring; 15. a limiting groove; 16. a slide bar; 17. and a baffle plate.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a pump body 1, outlet duct 2, connecting pipe 3, lagging 4, intake pipe 5, bottom plate 6, base 7, connecting bolt 8, arm-tie 9, cardboard 10, sealing washer 11, movable plate 12, pull rod 13, chucking spring 14, spacing groove 15, slide bar 16 and baffle 17 part are general standard or the part that technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a vacuum pump with good sealing performance comprises a pump body 1, an air outlet pipe 2 is communicated with the left side of the top of the pump body 1, an air inlet pipe 5 is communicated with the right side of the top of the pump body 1, connecting pipes 3 are communicated with the tops of the air outlet pipe 2 and the air inlet pipe 5, sleeve plates 4 are sleeved on the surfaces of the air outlet pipe 2 and the air inlet pipe 5, a sealing ring 11 is movably connected between the connecting pipes 3 and the air outlet pipe 2, pull rods 13 are respectively arranged on two sides of the inner wall of each sleeve plate 4 in a penetrating manner, pull plates 9 are fixedly connected to the outer sides of the pull rods 13, a moving plate 12 is fixedly connected to the inner sides of the pull rods 13, slide rods 16 are fixedly connected to the top and the bottom of the moving plate 12, limit grooves 15 matched with the slide rods 16 are formed in the inner sides of baffle plates 17, the inner walls of the limit grooves 15 are slidably connected, the inboard fixedly connected with cardboard 10 of movable plate 12, the inboard of cardboard 10 and the outside in close contact with of sealing washer 11, the surface cover of pull rod 13 is equipped with chucking spring 14, the inboard of chucking spring 14 and the outside fixed connection of movable plate 12, the outside of chucking spring 14 and the inner wall fixed connection of lagging 4, the top and the equal fixedly connected with baffle 17 in bottom of the inner wall both sides of lagging 4, the bottom fixedly connected with base 7 of the pump body 1, the bottom fixedly connected with bottom plate 6 of base 7, the equal threaded connection in both sides of 6 inner chambers of bottom plate has connecting bolt 8, bottom plate 6 passes through connecting bolt 8 and is connected with ground, through bottom plate 6, the stability of the pump body 1 during operation has been improved, prevent that unstable situation can appear at the during operation of the.

When the pipeline connecting device is used, a user pulls the pulling plate 9 to the outer side, the pulling plate 9 drives the pulling rod 13 to slide in the sleeve plate 4, the moving plate 12 is pulled to move through the movement of the pulling rod 13, the clamping spring 14 deforms through the movement of the moving plate 12, meanwhile, the moving rod 16 is driven by the movement of the moving plate 12 to slide in the limiting groove 15, the clamping plate 10 is driven to move through the movement of the moving plate 12, the sleeve plate 4 is sleeved on the surface of the sealing ring 11 at the connecting part of a pipeline, after the proper position is reached, the pulling plate 9 is loosened, the clamping plate 10 is tightly contacted with the sealing ring 11 tightly under the recovery deformation of the clamping spring 14, and therefore the phenomenon that leakage occurs at the connecting part of the connecting pipe 3 and.

In summary, the following steps: this vacuum pump that leakproofness is good uses through the cooperation of lagging 4, arm-tie 9, cardboard 10, sealing washer 11, movable plate 12, pull rod 13, chucking spring 14, spacing groove 15, slide bar 16 and baffle 17, has solved current vacuum pump and has not possessed the good function of leakproofness when using, often vacuum pump gas outlet and external pipeline only through the iron wire ligature, and not only the leakproofness is not good, the problem that people's of not being convenient for used still.

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 (4)

1. The utility model provides a vacuum pump that leakproofness is good, includes the pump body (1), its characterized in that: the left side of the top of the pump body (1) is communicated with an air outlet pipe (2), the right side of the top of the pump body (1) is communicated with an air inlet pipe (5), the tops of the air outlet pipe (2) and the air inlet pipe (5) are communicated with a connecting pipe (3), the surfaces of the air outlet pipe (2) and the air inlet pipe (5) are sleeved with sleeve plates (4), a sealing ring (11) is movably connected between the connecting pipe (3) and the air outlet pipe (2), pull rods (13) are arranged on two sides of the inner wall of each sleeve plate (4) in a penetrating mode, pull plates (9) are fixedly connected on the outer sides of the pull rods (13), a movable plate (12) is fixedly connected on the inner sides of the pull rods (13), a clamping plate (10) is fixedly connected on the inner sides of the movable plate (12), the inner sides of the clamping plate (10) are in close contact with the, the top and the bottom of the two sides of the inner wall of the sleeve plate (4) are fixedly connected with baffle plates (17).

2. A vacuum pump with good sealing performance as claimed in claim 1, wherein: the top and the bottom of the moving plate (12) are both fixedly connected with a sliding rod (16), the inner side of the baffle (17) is provided with a limiting groove (15) matched with the sliding rod (16) for use, and the inner wall of the limiting groove (15) is connected with the outer side of the sliding rod (16) in a sliding manner.

3. A vacuum pump with good sealing performance as claimed in claim 1, wherein: the inner side of the clamping spring (14) is fixedly connected with the outer side of the moving plate (12), and the outer side of the clamping spring (14) is fixedly connected with the inner wall of the sleeve plate (4).

4. A vacuum pump with good sealing performance as claimed in claim 1, wherein: the pump body (1) bottom fixedly connected with base (7), the bottom fixedly connected with bottom plate (6) of base (7), the equal threaded connection in both sides of bottom plate (6) inner chamber has connecting bolt (8), bottom plate (6) are connected with ground through connecting bolt (8).

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