CN208578735U - Handle with oil mist trapping function and the vacuum pump with the handle - Google Patents

Abstract

The utility model discloses a kind of vacuum pump structures, it provides a kind of compact-sized, convenient to use and installation, the handle with oil mist trapping function and the vacuum pump with the handle for integrating oil mist trapping and handle function, the oil mist trapping device and handle solved on vacuum pump existing in the prior art is to be independently arranged and install, not only occupied space is big, and assembling process is loaded down with trivial details laborious, the technical issues of production cost height etc., it includes handle set and the horizontal holding rod for being connected to handle set upper end, the handle set includes the top cover that standpipe and cover are mounted in standpipe upper port, counterbore is equipped in the upper port of standpipe, oil mist filter screen is embedded in counterbore, and be equipped on corresponding handle set above the oil mist filter screen can discharging directly into atmosphere whole grade gas vent.

Description

Handle with oil mist trapping function and the vacuum pump with the handle

Technical field

The utility model relates to a kind of vacuum pump structure, more particularly to a kind of compact-sized, convenient to use and installation, oil-collectings Mist trapping and handle function are in the handle with oil mist trapping function of one and with the vacuum pump of the handle.

Background technique

Rotary-vane vaccum pump is one kind that vacuum is obtained using the rotary motion of rotor and the blade slided in rotor slot Transfiguration oil-sealed rotary pump.Rotary-vane vaccum pump includes prejudicially being mounted in the rotor in bore of stator and two blades in rotor slot, Rotor and stator luminal wall surface are tangent, rotor drive blade rotation when, blade borrow centrifugal force be close to stator cavity wall, into, Exhaust outlet is separated, and make inlet chamber container periodically expand and air-breathing, discharge chamber volume periodically reduce and compressed gas Body is pushed open after exhaust valve is exhausted by means of compression pressure and obtains vacuum.Existing rotary-vane vaccum pump be usually by fuel tank, The components such as the pump housing, motor and oil mist trapping device composition, moves for convenience, is arranged on the bracket usually between the pump housing and motor Handle, oil mist trapping device and handle therein are to be independently arranged and install, and not only occupied space is big, and assembling process is loaded down with trivial details takes Power, high production cost.

Summary of the invention

Mainly there is provided a kind of compact-sized, convenient to use and installation, collection oil mist trapping and handle function for the utility model Can in the handle with oil mist trapping function of one and with the vacuum pump of the handle, solve it is existing in the prior art very Oil mist trapping device and handle on sky pump are to be independently arranged and install, and not only occupied space is big, and assembling process is loaded down with trivial details laborious, The technical issues of production cost height etc..

Above technical problems of the utility model are mainly solved by the following technical scheme: a kind of have mist of oil The handle for trapping function including handle set and is connected to the horizontal holding rod of handle set upper end, and the handle set includes standpipe and cover Mounted in the top cover of standpipe upper port, it is equipped with counterbore in the upper port of standpipe, oil mist filter screen is embedded in counterbore, and in oil Above mist filter screen corresponding handle set be equipped with can discharging directly into atmosphere whole grade gas vent.Pass through standpipe corresponding on handle set Upper end shield fills top cover, oil mist filter screen is arranged in the mesoporous of standpipe, and be arranged on the top cover or standpipe above oil mist filter screen Whole grade gas vent can pass through while meeting handle function in use, handle set is docked on the exhaust outlet of vacuum pump Oil mist filter screen trapping exhaust in mist of oil, reduce discharging directly into atmosphere caused by environmental pollution, collect oil mist trapping and handle function in One, it is compact-sized reasonable, it is easy to use and installs, saved manufacturing cost.

Preferably, the upper port edge of the standpipe extends to form handle lower cover horizontally outward, it is corresponding with handle lower cover Tip cap edge it is horizontally outer extend to form handle upper cover, handle upper cover is docked under handle and forms horizontal holding rod on lid.It is horizontal Holding rod is spliced by handle upper and lower cover, and wherein integral type is connected on standpipe handle lower cover again, and structure is simple, and intensity is high, is torn open Dress is convenient.

Preferably, it is described end grade gas vent be set to standpipe upper surface between corresponding top cover lower surface, horizontal holding rod The outside wall surface that the corresponding top cover in two sides carries over standpipe extends downwardly, and between the outside wall surface of standpipe and the inner wall of corresponding top cover Form gap.The outside wall surface that top cover carries over standpipe extends downwardly and formed being connected for gap and top, changes exhaust with this The security reliability used is improved in direction.

Preferably, corresponding top cover lower surface is equipped with cross boss above the oil mist filter screen, cross boss to Lower extension and to be crimped on mist filtration online.Cross boss above oil mist filter screen by top cover lower surface, which crimps, to be fixed, and is prevented Only oil mist filter screen is moved or is overturn under pressure at expulsion effect, improves use reliability.

Preferably, the oil mist filter screen includes the support filter screen of cotton strainer and concora crush above cotton strainer.Cotton filter Net ensures that the tiling of cotton strainer is fixed for adsorbing and crossing oil-mist filtering, support filter screen.

Preferably, being coaxially provided with interior positioning pipe, interior positioning in corresponding standpipe mesoporous below the oil mist filter screen The outside wall surface of pipe is connected on standpipe inner wall by rib integral type, the corresponding standpipe mesoporous inner cover dress above interior positioning pipe There is noise elimination valve block, noise elimination valve block is fixed by screws in the mesoporous of interior positioning pipe, and corresponding silence valve on piece is set outside screw There are several air holes.By the way that noise elimination valve block is arranged in the mesoporous lower end of standpipe, vacuum pump discharges noise can be reduced.

A kind of vacuum pump of the handle with oil mist trapping function, the fuel tank cover including vacuum pump and on vacuum pump Shell, the top surface of the fuel tank housing are equipped with gas vent, and the lower riser end mouth on the handle with oil mist trapping function is closed right It connecing on gas vent and is fixed on fuel tank housing at least through three vertical screws, vertical screw is set in the mesoporous of standpipe, And at least one vertical screw is extended upward through and is connected on top cover.Handle is fixed on fuel tank housing by multiple vertical screws On, fixed form is simple and reliable, and part of vertical screw is fixedly connected for handle lower cover and fuel tank housing, in addition vertical Straight screw rod is used for the connection of handle upper and lower cover and fuel tank housing, it is ensured that handle is firmly fixed on fuel tank housing.

Therefore, the handle with oil mist trapping function of the utility model and the vacuum pump with the handle have following excellent Point: by the way that oil mist filter screen is arranged in the standpipe mesoporous of handle set, mist of oil mistake can be passed through while meeting handle function Mist of oil in strainer trapping exhaust, reduces environmental pollution caused by discharging directly into atmosphere, integrates oil mist trapping and handle function, tie Structure compact and reasonable is easy to use and installs, saved manufacturing cost；It, can by the way that noise elimination valve block is arranged in the mesoporous lower end of standpipe Reduce vacuum pump discharges noise.

Detailed description of the invention:

Fig. 1 is the longitudinal sectional view of handle of the utility model with oil mist trapping function；

Fig. 2 is another longitudinal sectional view of the utility model；

Fig. 3 is A-A cross-sectional view shown in Fig. 2；

Fig. 4 is the transverse sectional view of the utility model；

Fig. 5 is the top view of handle upper cover in the utility model；

Fig. 6 is the bottom view of handle lower cover in the utility model；

Fig. 7 is the vacuum pump outline drawing of the handle in the utility model with oil mist trapping function.

Specific embodiment:

Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.

Embodiment 1:

As shown in Fig. 2, a kind of handle with oil mist trapping function of the utility model, the handle set 2 including square And integral type is connected to the horizontal holding rod 3 of 2 upper end of handle set, handle set 2 therein includes that the standpipe 21 of square and cover are mounted in The top cover 22 of 21 upper port of standpipe, is provided with counterbore 23 in the upper port of standpipe 21, and oil mist filter screen is embedded in counterbore 23 1, oil mist filter screen 1 includes the support filter screen 12 of cotton strainer 11 and concora crush above cotton strainer 11, as shown in figure 3, mist of oil mistake The 1 downward integral type in corresponding 22 lower surface of top cover in top of strainer extends to form cross boss 5, the lower end surface concora crush of cross boss 5 In the upper surface of support filter screen 12, upper port a side of standpipe 21 extends outward to form handle lower cover along integral type level 31,22 edge integral type level of top cover corresponding with handle lower cover 31 extends outward to form handle upper cover 32, and handle upper cover 32 is right The horizontal holding rod 3 of the formation on handle lower cover 31 is connect, is fixed between the two by former and later two screws, in horizontal 3 connecting pin two of holding rod Side forms semiorbicular whole grade gas vent 24 between corresponding to 22 lower surface of 21 upper surface of standpipe and top cover, corresponding with whole grade gas vent 24 22 edge of top cover carry over the outside wall surface of standpipe 21 and extend downwardly, and in the inner wall of the outside wall surface of standpipe 21 and corresponding top cover 22 Equidistant gap 4 is formed between face.As shown in Figure 4 and Figure 6, coaxial in corresponding 21 mesoporous of standpipe below the oil mist filter screen 1 Equipped with interior positioning pipe 6, the outside wall surface of interior positioning pipe 6 is connected on 21 inner wall of standpipe by four 7 integral types of rib, four muscle Item 7 is along the circumferential direction uniformly distributed, as shown in figure 4, being equipped with noise elimination valve block in the corresponding 21 mesoporous inner cover of standpipe in interior 6 upper surface of positioning pipe 8, the middle part of noise elimination valve block 8 is fixed by screws in the mesoporous of interior positioning pipe 6, outside screw on corresponding noise elimination valve block 8 Cloth three air holes 9.

Embodiment 2:

As shown in fig. 7, a kind of vacuum pump of handle with oil mist trapping function of the utility model, including vacuum pump 10 And fuel tank housing 101 of the cover outside 10 pump housing of vacuum pump, the top surface middle part of fuel tank housing 101 is provided with gas vent 102, with oil 21 lower port of standpipe on the handle of mist trapping function it is coaxial it is closed be docked on gas vent 102, horizontal holding rod 3 is directed toward vacuum pump 10 motor side, as shown in Fig. 1, Fig. 5 and Fig. 6, handle set 2 is fixed on fuel tank housing by forward and backward two pairs of vertical screws 103 On 101, vertical screw 103 is respectively positioned in the mesoporous of standpipe 21, close to horizontal holding rod 3 21 two inside locks of standpipe by it is left, Right two vertical screws 103 are symmetrically fixed on fuel tank housing 101, other two inside lock of standpipe 21 passes through one respectively and hangs down Straight screw rod 103 is symmetrically fixed on fuel tank housing 101, and the head of vertical screw 103 is extended upward through in the corresponding spiral shell of top cover 22 In bolt counterbore.

Specific embodiment described herein is only to give an example to the design of the utility model.The utility model Person of ordinary skill in the field can make various modifications or additions to the described embodiments or using class As mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (7)

1. a kind of handle with oil mist trapping function, including handle set (2) and it is connected to the horizontal holding rod of handle set (2) upper end (3), it is characterised in that: the handle set (2) includes the top cover (22) that standpipe (21) and cover are mounted in standpipe (21) upper port, vertical It manages in the upper port of (21) and is equipped with counterbore (23), be embedded with oil mist filter screen (1) in counterbore (23), and in oil mist filter screen (1) the corresponding handle set (2) in top be equipped with can discharging directly into atmosphere whole grade gas vent (24).

2. the handle according to claim 1 with oil mist trapping function, it is characterised in that: the upper end of the standpipe (21) Mouth edge extends to form handle lower cover (31) horizontally outward, top cover (22) edge corresponding with handle lower cover (31) horizontal direction extension It stretches to be formed handle upper cover (32), handle upper cover (32), which is docked on handle lower cover (31), forms horizontal holding rod (3).

3. the handle according to claim 1 or 2 with oil mist trapping function, it is characterised in that: the end grade gas vent (24) set on standpipe (21) upper surface between corresponding top cover (22) lower surface, the corresponding top cover in horizontal holding rod (3) two sides (22) outside wall surface for carrying over standpipe (21) extends downwardly, and in the inner wall of the outside wall surface of standpipe (21) and corresponding top cover (22) Between formed gap (4).

4. the handle according to claim 1 or 2 with oil mist trapping function, it is characterised in that: the oil mist filter screen (1) corresponding top cover (22) lower surface in top is equipped with cross boss (5), and cross boss (5) extends downwardly and is crimped on mist of oil On filter screen (1).

5. the handle according to claim 1 or 2 with oil mist trapping function, it is characterised in that: the oil mist filter screen It (1) include the support filter screen (12) of cotton strainer (11) and concora crush above cotton strainer (11).

6. the handle according to claim 1 or 2 with oil mist trapping function, it is characterised in that: in the mist filtration It is coaxially provided with interior positioning pipe (6) in corresponding standpipe (21) mesoporous below net (1), the outside wall surface of interior positioning pipe (6) passes through rib (7) integral type is connected on standpipe (21) inner wall, and corresponding standpipe (21) mesoporous inner cover is equipped with and disappears above interior positioning pipe (6) Sound valve block (8), noise elimination valve block (8) are fixed by screws in the mesoporous of interior positioning pipe (6), the corresponding noise elimination valve block outside screw (8) several air holes (9) are equipped with.

7. a kind of vacuum pump with the handle of oil mist trapping function described in claim 1, including vacuum pump (10) and it is set to true Fuel tank housing (101) on sky pump (10), it is characterised in that: the top surface of the fuel tank housing (101) is equipped with gas vent (102), standpipe (21) lower port on the handle with oil mist trapping function is closed to be docked on gas vent (102) and at least logical Three vertical screws (103) to be crossed to be fixed on fuel tank housing (101), vertical screw (103) is set in the mesoporous of standpipe (21), and At least one vertical screw (103), which extends upward through, to be connected on top cover (22).