CN206723042U - Gaseous ring pump - Google Patents

Abstract

The utility model discloses a kind of gaseous ring pump, the gaseous ring pump includes motor, the pump housing, pump cover and base, the pump housing is correspondingly provided with two bolt locating pieces five respectively with pump cover, bolt locating piece five is towards offering screwed hole on one end of base, offered on the base and the one-to-one through hole of the upper screwed hole of bolt locating piece five, the base is provided with is in through hole in same horizontal line and one end is connected to the locating part of the one end of bolt locating piece five along its length, when locating part abuts with the one end of bolt locating piece five, through hole connects with the screwed hole on bolt locating piece five on base, base is provided with a fastening bolt coordinated through through hole with screwed hole screw thread, the advantages of with being easily installed.

Description

Gaseous ring pump

Technical field

It the utility model is related to a kind of gaseous ring pump.

Background technology

The Chinese patent that Authorization Notice No. is CN204061221U, the applying date is on June 30th, 2014 discloses a kind of gas Ring vacuum pump, it includes driving source and the pump body with driving source drive connection, the pump body be connected with air-intake device and Exhaust apparatus, the pump body include the pump cover being sequentially connected, the first impeller and middle pump body, and the pump body is equipped with rotor Axle, one end of the armature spindle are connected with pump cover, the other end of the armature spindle and the output shaft drive connection of driving source, described Rear bearing block is provided between pump body and driving source, being embedded with rear axle in the rear bearing block holds, and the rear bearing block is with after Bearing holder (housing, cover) is located at armature spindle, and the pump body also includes middle pump cover, the second impeller, the pump housing and sealing plate, the middle pump cover, Two impellers, the pump housing and sealing plate are sheathed on armature spindle and between middle pump body and rear bearing blocks successively.

It is in place of the deficiencies in the prior art, base is directly threadedly coupled by bolt with the pump housing, and base and the pump housing are consolidated It is scheduled on together, directly base is connected to when on the pump housing, it is necessary to through hole on base aliging with pump housing upper screwed hole slowly, Can by bolt by floor installation on the pump housing, operation is cumbersome.

Utility model content

The purpose of this utility model is to provide a kind of gaseous ring pump, has the advantages of being easily installed.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of gaseous ring pump, including motor, the pump housing, pump cover and base, the pump housing are correspondingly provided with two spiral shells respectively with pump cover Bolt locating piece five, bolt locating piece five are offered on the base and determined with bolt towards screwed hole is offered on one end of base The position one-to-one through hole of the upper screwed hole of block five, the base along its length provided with being in through hole in same horizontal line and One end is connected to the locating part of the one end of bolt locating piece five, when locating part abuts with the one end of bolt locating piece five, leads on base Hole connects with the screwed hole on bolt locating piece five, and base is provided with a fastening spiral shell coordinated through through hole with screwed hole screw thread Bolt.

Using said structure, the side of bolt locating piece five is connected to by locating part, can quickly by through hole on base with Screwed hole connection on bolt locating piece five, plays a part of fast positioning, and then pass through through hole and bolt by fastening bolt Screwed hole threaded connection on locating piece five, base is fixed on the pump housing and pump cover, is easy to staff to operate, improves work Make efficiency.

More preferably：The locating part is arranged to spring fixture block, and the spring fixture block includes limited block and spacing bullet Spring, offers the stopper slot slided up and down for limited block on base, described limit spring one end be connected with limited block the other end with Stopper slot bottom connect, the limited block towards one end Shang Daoyou inclined-planes of bolt locating piece five with facing directly, limited block face directly and When bolt locating piece five abuts, through hole connects with the screwed hole on bolt fixed block on base.

Using said structure, when mismachining tolerance be present, limited block is faced directly to abut with bolt locating piece five, through hole on base Skew is produced with the screwed hole on bolt locating piece five, facing directly for limited block is caught in stopper slot by pressing limited block, is led to The inclined-plane crossed on limited block is abutted with bolt locating piece five, and under the active force of limit spring, one is produced to bolt locating piece five Determine extruding force, make its staff promote base to produce slight shift with respect to the pump housing, by through hole on base and bolt locating piece five On through hole connection, be threadedly coupled by fastening bolt through through hole with screwed hole, by floor installation on the pump housing and pump cover.

More preferably：The both sides of the limited block bottom are respectively equipped with a baffle plate, be provided with the base with it is spacing Groove connects and slided up and down for baffle plate the groove for preventing limited block from departing from stopper slot.

Using said structure, slided up and down by baffle plate in groove, make its limited block slided up and down again in stopper slot and Limited block can not detach stopper slot.

More preferably：The motor includes the pump housing of both ends open, is integrally formed on pump housing top surface and is provided with electrical equipment Box mounting seat, the opening connected with pump body is offered inside electrical appliance kit mounting seat.

Using said structure, by the electrical appliance kit mounting seat on the pump housing, it is easy to electrical appliance kit being arranged on the pump housing, Jin Ertong The opening opened up crossed inside electrical appliance kit mounting seat, it is easy to the wiring of electrical appliance kit and motor internal electronics and rotor.

More preferably：It is integrally formed on the pump housing outer wall provided with some fin one, top surface and bottom surface fin One vertical arrangement, the horizontal arrangement of both sides fin one.

Using said structure, the fin set by outer wall, the radiating efficiency of machine barrel can be accelerated, while strengthen machine barrel Bulk strength, arranged vertically by top surface and the fin of bottom surface, both sides fin horizontal arrangement, motor machine barrel can be reduced The difficulty of mould processing, reduces die cost, and motor machine barrel processing cost is reduced to reach.

More preferably：Bolt fixed block one is respectively equipped with the pump housing both ends of the surface, pump housing rear end is provided with back cover, after Cover is fixed by bolt with bolt fixed block one.

Using said structure, pump housing rear end is protected by back cover, avoided in the gaseous ring pump course of work, staff Hand extend into pump body, causes to damage.

More preferably：Other three faces of the pump housing in addition to top surface are uniformly placed with floor installation seat, the base The screwed hole for mounting seat is offered in mounting seat.

Using said structure, the floor installation seat set by the face of the pump housing three, floor installation seat can be arbitrarily installed in pump External side one side, adapts to more different working environments.

More preferably：The pump housing is extended with and the equal size of pump housing outer wall towards the center section of pump housing one end Sleeve, the sleeve is provided with bolt fixed block two corresponding with terminal bolt fixed block one before the pump housing and bolt fixed block two is opened Provided with confession bolt break-through and the through hole of pump body is extended, through hole is on one end of pump body and offers receiving bolt head Counter sink.

Using said structure, be threadedly coupled by bolt through bolt fixed block two with bolt fixed block one, by the pump housing with The pump housing is fixed together, and then the counter sink set by pump body, and bolt head can be sunk to pump body, do not dashed forward For pump housing inner wall surface, avoid influenceing the normal work of pump body element.

More preferably：The pump housing external circumferential is uniformly fixed with fin two, and the fin two is in abutting pump The thin state of body one end gradual change outwardly.

Using said structure, the radiating efficiency of the pump housing is accelerated by the fin two set on the pump housing, and then pass through radiating The gradual change of piece two is thin, it is possible to increase gap between fin two, increases the contact area between fin two and air, strengthens the pump housing Radiating effect.

More preferably：It is corresponding with the screwed hole of floor installation seat that the base offers one along pump housing length direction Waist type groove, coordinated by a clamping screw through waist type groove and the screwed hole screw thread on floor installation seat, by floor installation in electricity On machine.

Using said structure, by the waist type groove opened up on base, when can avoid existing mismachining tolerance, clamping screw can not Base and the pump housing are connected.

In summary, the utility model has the advantages that：Positioned by the locating part and bolt that are set on base One end of block five abuts, and reaches fast positioning, the effect for being easy to staff to operate.

Brief description of the drawings

Fig. 1 is the structural representation of embodiment one, shows overall structure；

Fig. 2 is the enlarged diagram at A in Fig. 1, shows the attachment structure of base and bolt locating piece five；

Fig. 3 is the structural representation of embodiment one, shows overall structure；

Fig. 4 is the enlarged diagram at B in Fig. 3, shows the attachment structure of electrical appliance kit mounting seat；

Fig. 5 is the partial structural diagram of embodiment one, shows the pump housing and pump cover attachment structure；

Fig. 6 is the partial structural diagram of embodiment one, shows the attachment structure of base；

Fig. 7 is the partial structural diagram of embodiment two, shows the attachment structure of locating part；

Fig. 8 is the partial structural diagram of embodiment two, shows the attachment structure of base and bolt locating piece five.

In figure, 1, motor；11st, electrical appliance kit mounting seat；12nd, fin one；13rd, floor installation seat；14th, bolt fixed block One；15th, projection；16th, reinforcing prop；17th, it is open；2nd, the pump housing；21st, sleeve；22nd, bolt fixed block two；23rd, reinforcement two；24th, dissipate Backing two；25th, muffler；26th, bolt fixed block three；3rd, pump cover；31st, bolt fixed block four；4th, base；41st, waist type groove；5th, after Cover；6th, bolt locating piece five；61st, cross recess；62nd, latch；63rd, cushion；7th, clamping screw；8th, fastening bolt；9th, spring Fixture block；91st, stopper slot；92nd, limited block；93rd, limit spring；94th, baffle plate；95th, groove.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in the scope of protection of the utility model by Patent Law.

Embodiment 1：A kind of gaseous ring pump, as shown in figure 1, including motor 1, the pump housing 2, pump cover 3 and base 4, bilobed wheel is set Put in the pump housing 2, be connected by the output shaft of motor 1 with bilobed wheel, so as to drive bilobed wheel to be rotated in the pump housing 2.

Reference picture 3, motor 1 include the pump housing 2 of both ends open, are integrally formed on the top surface of the pump housing 2 and are provided with electrical appliance kit installation Seat 11, other three faces are uniformly placed with three mounting seats 13 of base 4, and distinguishing even circumferential in both ends of the surface is provided with bolt fixed block one 14, the bolt fixed block 1 of one top surface is connected with electrical appliance kit mounting seat 11.

Reference picture 3 and 4, the opening 17 inside the connection pump housing 2 is offered inside above-mentioned electrical appliance kit mounting seat 11, is easy to electrical equipment Box is connected by wire with the internal electron rotor of the pump housing 2, and edge is fixed with the reinforcement one that surface is rounded down at opening 17, is led to The bulk strength crossed at the reinforced cut-out 17 of reinforcement one, wire installation is also allowed for, avoids the wedge angle of reinforcement one from scratching wire.

Reference picture 3 and 4, the outer wall of the pump housing 2, which is at the inside of electrical appliance kit mounting seat 11 to be integrally formed, is provided with a projection 15, convex The surface of block 15 is flushed and offers screwed hole, and electrical appliance kit is placed on projection 15 and is bolted, and makes its electrical appliance kit water In electrical appliance kit mounting seat 11, electrical appliance kit mounting seat is fixed with reinforcing prop 16, reinforcing prop 16 and electrical equipment in 11 4 angles for placing flat 11 4 angles of box mounting seat upper surface offers screwed hole, and lid is threadedly coupled by individual bolt with screwed hole, is fixed on In electrical appliance kit mounting seat 11, further strengthen lid and the stability of electrical appliance kit mounting seat 11.

Reference picture 3, is circumferentially distributed with some fin 1 on the outer wall of the pump housing 2, and the fin 1 of top surface and bottom surface is perpendicular In line cloth, the horizontal arrangement of fin 1 of both sides, and fin 1 has oblique angle respectively along the length direction both sides of the pump housing 2, End face with respect to the pump housing 2 is arc surface, by the combination of oblique angle and arc surface, hand can be avoided to be drawn when knocking one 12 surface of fin Broken hand, improves security when using；And while by oblique angle, anticollision is set, additionally it is possible to save material, mitigate the whole of motor 1 Body weight.

Reference picture 3, fin 1 is in abut the thin state of the one end of the pump housing 2 gradual change outwardly, between increase fin 1 Gap, expand the contact area of fin 1 and air, while strengthening radiating effect, save material, reduce motor 1 Overall weight.

Reference picture 3, the rear end of the pump housing 2 are provided with back cover 5, the inwall of back cover 5 and the equal size of the external diameter of bolt fixed block 1, after Cover 5 is sheathed on four bolt fixed blocks 1 of the rear end of the pump housing 2, and back cover 5 and bolt fixed block one are passed through by four bolts 14 threaded connections, so as to which back cover 5 is fixed on the pump housing 2；Wherein, the rear end of back cover 5 offers some air vents and middle part Reinforcing plate is provided with, strengthens the compressive resistance of the rear end of back cover 5 by reinforcing plate.

Reference picture 3 and 5, the middle part of the pump housing 2 are extended with the sleeve 21 with 2 equal size of the pump housing, are fixed with sleeve 21 Bolt fixed block 2 22 corresponding with terminal bolt fixed block 1 before the pump housing 2, through hole and logical is offered on bolt fixed block 2 22 Hole is extended into inside the pump housing 2, and through hole offers counter sink towards one end inside the pump housing 2, and bolt fixed block two is passed through by bolt 22 are threadedly coupled with bolt fixed block 1, when the pump housing 2 is fixed on into the pump housing 2, bolt head sink in counter sink with inside the pump housing 2 A plane is kept, avoids influenceing the rotary work of bilobed wheel in the pump housing 2, wherein, fix some reinforcements on the outer wall of sleeve 21 2 23 are connected with the pump housing 2, and sleeve 21 is supported, and strengthen the intensity of sleeve 21.

Reference picture 5, the outside of the pump housing 2 is upper to be circumferentially uniformly fixed with some fin 2 24, contact of the increase pump housing 2 with air Area, accelerate the radiating efficiency of the pump housing 2, wherein, the state thin in the gradual change outwardly of the one end of the pump housing 2 is abutted of fin 2 24, increase Gap between fin 2 24, expand the contact area of fin 2 24 and air, while strengthening radiating effect, save material Material, reduce the overall weight of the pump housing 2.

Reference picture 3, the pump housing 2 gas outlet and enter towards offering circular gas outlet and circular air inlet on one end of motor 1 A muffler 25 is respectively arranged with gas port, noise caused by compression ring pump work is reduced by muffler 25.

Reference picture 5, the pump housing 2 are fixed with six bolt fixed blocks 3 26 with respect to one end circumference of motor 1, corresponding on pump cover 3 Six bolt fixed blocks 4 31 are fixed with, are threadedly coupled by bolt through bolt fixed block 4 31 with bolt fixed block 3 26, Pump cover 3 is covered on the pump housing 2, wherein, sealing gasket is provided between pump cover 3 and the pump housing 2.

Reference picture 2 and 3, the pump housing 2 and pump cover 3 are corresponding respectively to be fixed with two bolt locating pieces five for being used for firm banking 4 6, base 4 is threadedly coupled with bolt locating piece 56 and the mounting seat 13 of base 4 respectively by fastening bolt 8 and clamping screw 7 An entirety is formed with the pump housing 2, motor 1.

Reference picture 6, offer on base 4 passed through for fastening bolt 8 and the through hole with the equal size of the external diameter of fastening bolt 8, And for the waist type groove 41 that clamping screw 7 horizontally slips, wherein, two lightening grooves are further opened with base 4, are subtracted by lightening grooves The weight of few base 4, so as to mitigate the weight of overall gaseous ring pump.

Reference picture 2, cross recess 61 is offered on above-mentioned bolt locating piece 56, a latch 62 is inserted with cross recess 61, The screwed hole coordinated with the screw thread of fastening bolt 8 is offered on latch 62, during mounting seat 4, base is passed through by clamping screw 7 Through hole and cross recess 61 on 4 coordinate with the screw thread of latch 62, by the coupling mechanism force of clamping screw 7 and latch 62, will lock Plate 62 is spacing in cross recess 61, while base 4 is fixed on the pump housing 2, and the opposite side of base 4 passes through bottom by clamping screw 7 Waist type groove 41 on plate coordinates with the screwed hole screw thread in the mounting seat 13 of base 4 links together base 4 and the pump housing 2 of motor 1 （Reference picture 3 and 6）.

Reference picture 2, the upper and lower side of latch 62 pass through cushion with being fixed with cushion 63 on the bearing surface of cross recess 61 The elastic force increase at 63 bottoms and the frictional force of cross recess 61, avoid when inserting the fixation fastening bolt 8 of latch 62, latch 62 Arbitrarily slided in cross recess 61.

Embodiment 2, reference picture 3 and 7, difference from Example 1 is, above-mentioned bolt locating piece 56 is towards base 4 Screwed hole is offered on one end（Reference picture 8）, base 4 is along its length provided with two respectively with through hole on base 4 in same Locating part on horizontal line, locating part are arranged to spring fixture block 9, and spring fixture block 9 includes limited block 92 and limit spring 93, base Two stopper slots 91 slided up and down respectively for limited block 92 are offered on 4, the one end of limit spring 93 is connected one end with limited block 92 The bottom of stopper slot 91 is fixed on, limited block 92 on the bearing surface of bolt locating piece 56 with having inclined-plane with facing directly, under original state, The inclined-plane of limited block 92 is faced directly with part to be stretched out outside stopper slot 91, when facing directly for two limited blocks 92 is connected to bolt locating piece respectively During 56 end face, fastening bolt 8 connects with the screwed hole on bolt locating piece 56, clamping screw 7 and the mounting seat 13 of base 4 On screwed hole connection, base 4 is fixedly connected with the pump housing 2, pump cover 3 and motor 1 integral.

When mismachining tolerance be present, by the way that facing directly on limited block 92 is pressed into stopper slot 91, pass through inclined-plane and spiral shell Bolt locating piece 56 abuts, and carries out inclined-plane transmission by 56 pairs of limited blocks 92 of bolt locating piece, makes its base 4 in limited block 92 Elasticity is abutted under power, is slowly moved to through hole and the screwed hole connected state on bolt fixed block on base 4, and then pass through fastening Bolt 8 is threadedly coupled through through hole with the screwed hole on bolt fixed block and clamping screw 7 passes through waist type groove 41 and base 4 Screwed hole threaded connection in mounting seat 13, base 4 is connected with the pump housing 2, pump cover 3, motor 1 integral.

The above-mentioned bottom both sides of limited block 92 are respectively fixed with a baffle plate 94, offered in base 4 connected with stopper slot 91 and The groove 95 slided up and down for baffle plate 94, make its limited block 92 be only capable of sliding up and down in stopper slot 91, can not depart from spacing Groove 91.

Claims (10)

1. a kind of gaseous ring pump, including motor (1), the pump housing (2), pump cover (3) and base (4), it is characterized in that：The pump housing (2) Two bolt locating pieces five (6) are correspondingly provided with respectively with pump cover (3), and bolt locating piece five (6) is towards opening up on one end of base (4) There is screwed hole, offered on the base (4) and the one-to-one through hole of bolt locating piece five (6) upper screwed hole, the base (4) it is provided with and is in through hole in same horizontal line and one end is connected to the limit of bolt locating piece five (6) one end along its length Position part, when locating part abuts with bolt locating piece five (6) one end, through hole and the spiral shell on bolt locating piece five (6) on base (4) Pit connects, and base (4) is provided with a fastening bolt (8) coordinated through through hole with screwed hole screw thread.

2. gaseous ring pump according to claim 1, it is characterized in that：The locating part is arranged to spring fixture block (9), the spring Fixture block (9) includes limited block (92) and limit spring (93), offered on base (4) slided up and down for limited block (92) it is spacing Groove (91), described limit spring (93) one end are connected the other end with limited block (92) and are connected with stopper slot (91) bottom, the limit Position block (92) towards one end Shang Daoyou inclined-planes of bolt locating piece five (6) with facing directly, face directly and bolt locating piece by limited block (92) When five (6) abut, through hole connects with the screwed hole on bolt fixed block on base (4).

3. gaseous ring pump according to claim 2, it is characterized in that：The both sides of limited block (92) bottom are respectively equipped with a gear Plate (94), it is provided with the base (4) and connect with stopper slot (91) and being slided up and down for baffle plate (94) prevents limited block (92) from taking off From the groove (95) of stopper slot (91).

4. gaseous ring pump according to claim 1, it is characterized in that：The motor (1) includes the pump housing (2) of both ends open, pump It is integrally formed on body (2) top surface and is provided with electrical appliance kit mounting seat (11), is offered inside electrical appliance kit mounting seat (11) and the pump housing (2) The opening (17) of inside connection.

5. gaseous ring pump according to claim 3, it is characterized in that：It is integrally formed on the pump housing (2) outer wall and is dissipated provided with some Backing one (12), top surface and bottom surface fin one (12) vertical arrangement, both sides fin one (12) horizontal arrangement.

6. gaseous ring pump according to claim 3, it is characterized in that：Bolt is respectively equipped with the pump housing (2) both ends of the surface to fix Block one (14), the pump housing (2) rear end are provided with back cover (5), and back cover (5) is fixed by bolt and bolt fixed block one (14).

7. gaseous ring pump according to claim 6, it is characterized in that：Uniformly arrange in other three faces of the pump housing (2) in addition to top surface Base (4) mounting seat (13) is furnished with, the screwed hole for mounting seat (4) is offered on base (4) mounting seat (13).

8. gaseous ring pump according to claim 7, it is characterized in that：Center section of the pump housing (2) towards the pump housing (2) one end It is extended with and is provided with and is fixed with terminal bolt before the pump housing (2) with the sleeve (21) of the equal size of the pump housing (2) outer wall, the sleeve (21) Bolt fixed block two (22) corresponding to block one (14) and bolt fixed block two (22) offer for bolt break-through and extend the pump housing (2) internal through hole, through hole are on the internal one end of the pump housing (2) and offer the counter sink for accommodating bolt head.

9. gaseous ring pump according to claim 8, it is characterized in that：The pump housing (2) external circumferential is uniformly fixed with fin Two (24), the fin two (24) is in the abutting thin state of the pump housing (2) one end gradual change outwardly.

10. gaseous ring pump according to claim 9, it is characterized in that：The base (4) opens up along the pump housing (2) length direction There is a waist type groove (41) corresponding with the screwed hole of base (4) mounting seat (13), waist type groove (41) is passed through by a clamping screw (7) Coordinate with the screwed hole screw thread in base (4) mounting seat (13), base (4) is installed on motor (1).