CN206889267U - One kind centrifugation chemical pump - Google Patents

Abstract

The utility model discloses one kind to centrifuge chemical pump, it is high to aim to provide a kind of structural strength, it is pressure-resistant, the corrosion-resistant electric pump of good heat dissipation effect, its drip irrigation device is formed with first chamber between machine capping and impeller, first chamber is provided with the buffering area for buffering hydraulic, buffering area includes first buffering area and second buffering area, first buffering area and second buffering area are connected with each other, second buffering area includes the first connecting portion being sequentially connected, buffer part and second connecting portion, first connecting portion is connected with each other with first buffering area, second connecting portion and the side wall of chamber are connected with each other, buffer part is in arc-shaped, the utility model is applied to pump technical field.

Description

One kind centrifugation chemical pump

Technical field

A kind of pump technical field is the utility model is related to, more specifically, it relates to a kind of centrifugation chemical pump.

Background technology

The operation principle of self priming pump is：Water is first filled before starting mode of pump in pump case（Or itself there is water in pump case）.Open Impeller rotates at a high speed the current direction volute made in impeller conduit after dynamic, and at this moment entrance forms vacuum, makes to open into water non-return flap, inhales The air entered in pipe enters in pump, and reaches outer rim through impeller conduit.Self priming pump category self priming centrifugal pump, it has structure tight Gather, be easy to operate, operating steadily, safeguarding easy, efficiency high, long lifespan, and having the advantages that stronger suction capacity.Pipeline is not required to Bottom valve is installed, only need to ensure to contain in the pump housing quantitatively to draw liquid before work.Different liquids can use unlike material self priming pump.

At present, the centrifugation chemical pump of in the market, it includes electric pump body.Although this electric pump body using effect is good, Find in use, because the pressure-resistant effect of body and the pressure-resistant effect of sealing device are bad, the problem of easy side leakage, drop Low operating efficiency, structural strength is low and radiating effect it is bad be all the problem of presently, there are；On the other hand, chemical pump is centrifuged Covered including the pump housing and machine, the sealing between the pump housing and machine capping is poor, causes to want frequent repair and replacement, so as to shorten Service life.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of structural strength height, resistance to pressure Degree is high, good heat dissipation effect, and the sealing between the pump housing and machine capping preferably centrifuges chemical pump.

To achieve the above object, the utility model provides following technical scheme：One kind centrifugation chemical pump, including electric pump sheet Body, the electric pump body include the pump housing, volute, impeller, pump shaft, mechanical seal, machine capping, motor and motor casing, the machine envelope The buffering area for buffering hydraulic is provided with formed with first chamber, first chamber between lid and impeller, the buffering area includes First buffering area and second buffering area, first buffering area and second buffering area are connected with each other, and the second buffering area is included successively First connecting portion, buffer part and the second connecting portion of connection, first connecting portion are connected with each other with first buffering area, second connecting portion It is connected with each other with the side wall of chamber, buffer part is in arc-shaped, and the machine capping is provided with the first supporter and the second supporter, the One supporter and the second support equal triangular shape of body section, the first supporter and the second supporter are respectively placed in machine capping two The junction of side, the first supporter and machine capping is provided with first and strengthens area, and the junction of the second supporter and machine capping is provided with the One strengthens area, and the first reinforcement area includes being sequentially connected the 3rd connecting portion, rib and the 4th connecting portion, and rib is in arc-shaped； O-ring seals are provided between the pump housing and the machine capping, the surface of the O-ring seals is mutually supported with the pump housing and machine capping respectively Touch, the O-ring seals include sealing ring body, and annular receiving groove is offered on the sealing ring body, the annular receiving groove One side wall has circumferentially been placed equidistant several projections, is provided with circular steel ring in the annular receiving groove, the circular steel ring point Not with another side wall of several raised peaks and annular receiving groove contradict connect, the groove width of the annular receiving groove with it is close The ratio of the width of seal body is 0.18.

By using above-mentioned technical proposal, electric pump body include the pump housing, volute, impeller, pump shaft, mechanical seal, machine capping, Motor and motor casing, the buffering for buffering hydraulic is provided with formed with first chamber, first chamber between machine capping and impeller Area, buffering area include first buffering area and second buffering area, and first buffering area and second buffering area are connected with each other, second buffering area Including the first connecting portion, buffer part and second connecting portion being sequentially connected, first connecting portion is connected with each other with first buffering area, the The side wall of two connecting portions and chamber is connected with each other, and buffer part be in arc-shaped, machine cover between impeller formed with first chamber, the One chamber is provided with the buffering area for buffering hydraulic, and impeller meeting output during high speed rotates is bound to true in region Dummy status, fluid are having certain impact to first chamber, in order to reduce the impact for machine capping, so as to increase for close The guarantee first chamber of envelope property is provided with the buffering area for buffering hydraulic, and buffering area includes first buffering area and second and delayed Area is rushed, first buffering area and second buffering area are connected with each other, and second buffering area includes first connecting portion, the buffer part being sequentially connected And second connecting portion, first connecting portion are connected with each other with first buffering area, the side wall of second connecting portion and chamber is connected with each other, and is delayed It is in arc-shaped to rush portion, by the first buffering area and second buffering area of interconnection, and the buffer part that second buffering area includes In arc-shaped, there can be stronger buffer capacity according to convex structure, and the stress on the surface of structure has certain point Effect is dissipated, adds the increase in structural strength while buffering effect increase, machine capping is provided with the first supporter and the Two supporters, the first supporter and the second support equal triangular shape of body section, the first supporter and the second supporter are put respectively Both sides are covered in machine, the junction that the first supporter and machine cover is provided with the first company for strengthening area, the second supporter and machine capping Meet place and be provided with the first reinforcement area, the first reinforcement area includes the 3rd connecting portion, rib and the 4th connecting portion being sequentially connected, strengthened Portion is in arc-shaped, and machine capping is provided with the first supporter and the second supporter, and the first supporter and the second support body section are in Triangle, the first supporter and the second supporter are respectively placed in machine capping both sides, and both sides and longitudinal section are covered by being placed in machine The first supporter and the second supporter of triangular shape, increase the lifting in machine closure construction intensity, add for fluid Crushing resistance, the first supporter and machine capping junction be provided with first strengthen area, the second supporter and machine capping junction Strengthen area provided with first, the first reinforcement area is in arc-shaped, by provided with the first reinforcement area in arc-shaped so that the first supporter Surface stress caused by the junction covered respectively with machine with the second supporter is further disperseed, strong so as to increase structure Degree.O-ring seals are provided between the pump housing and machine capping, when sealing ring is extruded by the pump housing and machine capping, several are raised Coordinate lower band dynamic seal ring to have a stronger reset force with circular steel ring, ensure that the sealing that the pump housing is assembled together with machine capping Property it is even closer, improve the pump housing and machine capping between sealing；This smart structural design, it is practical, it is easy to spread；And The groove width of annular receiving groove and the ratio of the width of sealing ring body are 0.18, ensure that the bulk strength of sealing ring, avoid Sealing ring is caused easily to deform when sealing ring is covered by the pump housing with machine in connection procedure, so as to ensure that the flexible of sealing ring Property, it ensure that the surface energy of sealing ring is closely close between the pump housing and machine capping, further ensure that the pump housing seals with machine Connected between lid it is even closer, also further improve the pump housing and machine capping between sealing.

The utility model is further arranged to：Several described raised peaks are in arc-shaped.

By using above-mentioned technical proposal, the pliability of sealing ring is improved, further ensure that the surface of sealing ring Can closely be close to the pump housing and machine capping between, further ensure that the pump housing and machine capping between connect it is even closer.

The utility model is further arranged to：The motor is provided with the 3rd supporter, and the 3rd supporter is provided with first Annular groove, the first annular groove include first side, the first bottom surface and second side, and the first bottom surface is placed in first side and second side Between, the second reinforcement area of first side, the first bottom surface and second side formed with section shape in a rectangular trapezoid, the 3rd supporter Connector is provided between the pump housing, connector is connected with each other by soket head cap screw and the 3rd supporter.

By using above-mentioned technical proposal, motor is provided with the 3rd supporter, and the 3rd supporter is provided with the first annular groove, institute First annular groove includes first side, the first bottom surface and second side, and the first bottom surface is placed between first side and second side, the The the second reinforcement area of one side, the first bottom surface and second side formed with section shape in a rectangular trapezoid, passes through first side, first The the second reinforcement area of bottom surface and second side formed with section shape in a rectangular trapezoid, adds and is protected for the 3rd support body supports Shield, while can also be cost-effective, connector is provided between the 3rd supporter and the pump housing, connector passes through soket head cap screw and the 3rd Supporter is connected with each other.

The utility model is further arranged to：The inner chamber of the pump housing is provided with the first reinforcement, and the first reinforcement is in circle Arcuation, the first enhancement layer being additionally provided with the pump housing, the first enhancement layer is provided with the first groove being adapted with the first reinforcement, First enhancement layer and pump housing integrally connected.

By using above-mentioned technical proposal, the inner chamber of the pump housing is provided with the first reinforcement, and the first reinforcement is in arc-shaped, pump The first enhancement layer is additionally provided with body, the first enhancement layer is provided with the first groove being adapted with the first reinforcement, the first enhancement layer With pump housing integrally connected, by the protection of increased first reinforcement and the first enhancement layer, so as to add in the pump housing The protection of chamber, in order to further increase the raising of the compressive resistance for the pump housing, the first enhancement layer is additionally provided with the pump housing, first adds Strong layer is provided with the first groove being adapted with the first reinforcement, the first enhancement layer and pump housing integrally connected.

Brief description of the drawings

Fig. 1 is a kind of cross section structure diagram for centrifuging chemical pump embodiment of the utility model；

Fig. 2 is that a kind of Fig. 1-A for centrifuging chemical pump embodiment of the utility model locate structure enlargement diagram；

Fig. 3 is that a kind of Fig. 1-B for centrifuging chemical pump embodiment of the utility model locate structure enlargement diagram；

Fig. 4 is a kind of O-ring seals structural representation for centrifuging chemical pump embodiment of the utility model.

Embodiment

A kind of centrifugation chemical pump embodiment of the utility model is described further referring to figs. 1 to Fig. 4.

One kind centrifugation chemical pump, including electric pump body, it is close that electric pump body includes the pump housing 4, volute, impeller 1, pump shaft, machinery Envelope, machine capping 2, motor and motor casing, formed with first chamber 10 between machine capping 2 and impeller 1, first chamber 10, which is provided with, to be used In the buffering area of buffering hydraulic, buffering area includes first buffering area 11 and second buffering area 12, and first buffering area 11 and second is slow Rush area 12 to be connected with each other, second buffering area 12 includes first connecting portion 120, buffer part 121 and the second connecting portion being sequentially connected 122, first connecting portion 120 is connected with each other with first buffering area 11, and second connecting portion 122 and the side wall of chamber are connected with each other, and are delayed It is in arc-shaped to rush portion 121, and formed with first chamber 10 between machine capping 2 and impeller 1, first chamber 10, which is provided with, is used for buffer solution The buffering area of pressure, the vacuum state that meeting output is bound in region during high speed rotates of impeller 1, fluid is to the first chamber There is certain impact room 10, in order to reduce the impact for machine capping 2, so as to increase the guarantee first chamber for sealing 10 are provided with the buffering area for buffering hydraulic, and buffering area includes first buffering area 11 and second buffering area 12, and first is slow Rush area 11 and second buffering area 12 is connected with each other, second buffering area 12 includes first connecting portion 120, the buffer part being sequentially connected 121 and second connecting portion 122, first connecting portion 120 be connected with each other with first buffering area 11, second connecting portion 122 and chamber Side wall is connected with each other, and buffer part 121 is in arc-shaped, by the first buffering area 11 and second buffering area 12 of interconnection, and The buffer part 121 that second buffering area 12 includes is in arc-shaped, can have stronger buffer capacity according to convex structure, and tying The stress on the surface of structure has certain dispersion effect, and the increase in structural strength is added while buffering effect is increased, Machine capping 2 is provided with the first supporter 13 and the second supporter 14, and the first supporter 13 and the section of the second supporter 14 are in three Angular shape, the first supporter 13 and the second supporter 14 are respectively placed in machine and cover 2 both sides, and the first supporter 13 and machine cover 2 Junction is provided with first and strengthens area 15, and the junction that the second supporter 14 and machine cover 2 is provided with the first reinforcement area 15, and first strengthens Area 15 includes being sequentially connected the 3rd connecting portion, rib and the 4th connecting portion, and rib be in arc-shaped, and machine capping 2 is provided with the One supporter 13 and the second supporter 14, the equal triangular shape of the first supporter 13 and the section of the second supporter 14, the first support The supporter 14 of body 13 and second is respectively placed in machine and covers 2 both sides, and 2 both sides and longitudinal section triangular shape are covered by being placed in machine First supporter 13 and the second supporter 14, increase machine cover the lifting in 2 structural strengths, add the resistance to compression for fluid Property, the junction of the first supporter 13 and machine capping 2 is provided with the connection of the first rib 15, the second supporter 14 and machine capping 2 Place is provided with the first rib 15, and the first rib 15 is in arc-shaped so that the first supporter 13 and the second supporter 14 respectively with Surface stress caused by the junction of machine capping 2 is further disperseed, so as to increase structural strength；

Be provided with O-ring seals 5 between the pump housing 4 and machine capping 2, the surfaces of the O-ring seals 5 respectively with the pump housing 4 Mutually contradicted with machine capping 2, the O-ring seals 5 include sealing ring body, annular receiving groove is offered on the sealing ring body 51, a side wall of the annular receiving groove 51 has circumferentially been placed equidistant several projections 510, is set in the annular receiving groove 510 Circular steel ring 511 is equipped with, the circular steel ring 511 is another with the peaks of several projections 510 and annular receiving groove 51 respectively Side wall contradicts connection, and the groove width H1 of the annular receiving groove 51 and width H2 of sealing ring body ratio is 0.18；

O-ring seals are provided between the pump housing and machine capping, when sealing ring is extruded by the pump housing and machine capping, several Raised and circular steel ring coordinates lower band dynamic seal ring to have a stronger reset force, ensure that what the pump housing was assembled together with machine capping Sealing is even closer, improves the sealing between the pump housing and machine capping；This smart structural design, it is practical, it is easy to push away Extensively；And the groove width of annular receiving groove and the ratio of the width of sealing ring body are 0.18, ensure that the bulk strength of sealing ring, keep away Exempt to cause sealing ring easily to deform when sealing ring is covered by the pump housing with machine in connection procedure, so as to ensure that the soft of sealing ring Toughness, it ensure that the surface energy of sealing ring is closely close between the pump housing and machine capping, further ensure that the pump housing and machine Connected between capping it is even closer, also further improve the pump housing and machine capping between sealing.

The utility model is further arranged to：The peak of several projections 510 is in arc-shaped 5101, is improved close The pliability of seal, it further ensure that the surface energy of sealing ring is closely close between the pump housing and machine capping, further Ensure that the pump housing and machine capping between connect it is even closer.

The utility model is further arranged to, and motor is provided with the 3rd supporter 3, and the 3rd supporter 3 is provided with the first ring Groove, the first annular groove include first side 30, the first bottom surface 31 and second side 32, and the first bottom surface 31 is placed in the He of first side 30 Between second side 32, first side 30, the first bottom surface 31 and second side 32 formed with section shape in a rectangular trapezoid second Strengthen area 33, added by second of first side 30, the first bottom surface 31 and second side 32 formed with section shape in a rectangular trapezoid Strong area 33, add to support for the 3rd supporter 3 and protect, while can also be cost-effective, between the 3rd supporter 3 and the pump housing 4 Provided with connector, connector is connected with each other by soket head cap screw and the 3rd supporter 3.

The utility model is further arranged to, and the inner chamber of the pump housing 4 is provided with the first reinforcement 41, and the first reinforcement 41 is in circle Arcuation, the first enhancement layer 42 is additionally provided with the pump housing 4, it is recessed that the first enhancement layer 42 is provided with first be adapted with the first reinforcement 41 Groove 420, the first enhancement layer 42 and the integrally connected of the pump housing 4, pass through the guarantor of the increased enhancement layer 42 of first reinforcement 41 and first Shield, so as to add the protection for the inner chamber of the pump housing 4, in order to further increase the protection for the pump housing 4, is additionally provided with the pump housing 4 First enhancement layer 42, the first enhancement layer 42 are provided with the first groove 420 being adapted with the first reinforcement 41, the first enhancement layer 42 With the integrally connected of the pump housing 4.

Preferred embodiment of the present utility model is the foregoing is only, not limiting the utility model, the skill of this area Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in guarantor of the present utility model In the range of shield.

Claims (4)

1. one kind centrifugation chemical pump, including electric pump body, it is characterized in that：The electric pump body includes the pump housing, volute, impeller, pump Axle, mechanical seal, machine capping, motor and motor casing, formed with first chamber between the machine capping and impeller, in first chamber Provided with the buffering area for buffering hydraulic, the buffering area includes first buffering area and second buffering area, first buffering area and Two buffering areas are connected with each other, and the second buffering area includes first connecting portion, buffer part and the second connecting portion being sequentially connected, the One connecting portion and first buffering area are connected with each other, and the side wall of second connecting portion and chamber is connected with each other, and buffer part is in arc-shaped, institute State machine capping and be provided with the first supporter and the second supporter, the first supporter and the second support equal triangular shape of body section, First supporter and the second supporter are respectively placed in machine capping both sides, and the junction that the first supporter and machine cover is provided with first and added The junction of strong area, the second supporter and machine capping is provided with first and strengthens area, and the first reinforcement area is in arc-shaped；The pump housing and machine O-ring seals are provided between capping, the surface of the O-ring seals mutually contradicts with the pump housing and machine capping respectively, and the O shapes are close Seal includes sealing ring body, offers annular receiving groove on the sealing ring body, a side wall of the annular receiving groove is circumferentially It is raised to be placed equidistant several, has been provided with circular steel ring in the annular receiving groove, the circular steel ring is convex with several respectively The peak and another side wall of annular receiving groove risen contradicts connection, the groove width of the annular receiving groove and the width of sealing ring body The ratio of degree is 0.18.

2. a kind of centrifugation chemical pump according to claim 1, it is characterized in that：Several described raised peaks are in circular arc Shape.

3. a kind of centrifugation chemical pump according to claim 1, it is characterized in that：The motor is provided with the 3rd supporter, the Three supporters are provided with the first annular groove, and the first annular groove includes first side, the first bottom surface and second side, and the first bottom surface is placed in Between first side and second side, first side, the first bottom surface and second side formed with section shape in a rectangular trapezoid Two strengthen area, connector are provided between the 3rd supporter and the pump housing, connector is mutual by soket head cap screw and the 3rd supporter Connection.

4. a kind of centrifugation chemical pump according to claim 1, it is characterized in that：The inner chamber of the pump housing is provided with first and strengthened Muscle, the first reinforcement are in arc-shaped, and the first enhancement layer is additionally provided with the pump housing, and the first enhancement layer is provided with and the first reinforcement The first groove being adapted, the first enhancement layer and pump housing integrally connected.