CN209306148U - Emulsion pumps - Google Patents

Abstract

A kind of emulsion pumps include flexible restoring organ.The flexible restoring organ includes at least one elastic strip, and elastic strip is shaped to, and when seeing along the axial direction of emulsion pumps, at least part of elastic strip around the periphery of the cylinder of emulsion pumps extends.In this way, the compact-sized of emulsion pumps can be made, convenient for the transport and storage of product.

Description

Emulsion pumps

Technical field

The utility model relates to a kind of emulsion pumps, in particular to a kind of all-plastic lotion pump.

Background technique

Emulsion pumps are widely used in such as daily chemical products of hand cleanser, shower cream etc, for from such as bottle it Product is pumped out in the container of class, for using.Current market sales of emulsion pumps largely have metal spring, make After being pressed emulsion pumps pumping out a certain amount of product for use from container, which can make for employment Emulsion pumps reset, to prepare for the next use.

In recent years, with the raising to environmental requirement, it is desirable that recycled to emulsion pumps, to realize the recyclable benefit of resource With.In order to facilitate the recycling and reusing of emulsion pumps, is proposed in emulsion pumps manufacturing field and replaces metal spring with plastics spring, That is all-plastic lotion pump.The common form of plastics spring includes plastic whorl spring, plastics semielliptic spring, bellows-type spring etc. Deng.But, there are some problems for plastics spring, such as after plastics spring is compressed by long-time, it may occur that yield deformation makes The elastic force of plastics spring is decayed, until cannot achieve spring effect.To avoid plastics spring from failing due to by compressing for a long time, A solution is all-plastic lotion pump to be arranged to uplock capitiform formula, and make emulsion pumps when in non-working condition, modeling Material spring is in the free relaxation state not suffered oppression.

It is shown in Figure 29 a kind of illustratively with the emulsion pumps of plastics spring.Wherein, emulsion pumps 1 have pressure head 10, Facing 20, cylinder 30 and piston rod 40, one end of spring 50 are connected on piston 40, and the other end is connected on cylinder 30.When pressing When pressing pressure head 10, piston rod 40 moves downward therewith, so that spring 50 be made to compress, and works as and removes the pressure being applied on pressure head 10 When, under the resilient force of spring 50, pressure head 10 resets.The emulsion pumps 1 shown in Figure 29 are uplock capitiform formula Emulsion pumps, when being in non-working condition, such as during the transport of product and display are sold, pressure head 10 is in its stroke Highest point so that spring 50 is in the lesser state of compressing force, in this way, can make spring 50 will not in non-working condition because Be it is compressed, lead to yield deformation and fail.

It can be seen that above-mentioned emulsion pump is the emulsion pumps of uplock head dummy.For the emulsion pumps of upper tapered end, sometimes It is difficult to meet requirement of the electric business transport to packaging, and height ratio of the emulsion pumps of upper tapered end in initial unused state It is higher, to also have higher requirement to carton height, pallet height etc..

Therefore, in emulsion pumps field, it is still desirable to be further improved the emulsion pumps with plastics spring of structure, energy Enough meets the needs of electric business transport, and further, additionally it is possible to solve the problems, such as that plastics spring elastic force is decayed.

Utility model content

The utility model is to solve the problems of above-described prior art emulsion pumps and make.This is practical Novel purpose be to provide it is a kind of improve structure emulsion pumps, the emulsion pumps it is compact-sized.Further, which can Realize the next tapered end.Meets the needs of electric business transport as a result,.

The emulsion pumps of the utility model include movable part and fixed part, wherein movable part includes pressure head, piston rod And piston, wherein piston rod is connected to the lower part of pressure head, and is provided with piston on the piston rod, and fixed part includes that facing is gentle Cylinder, wherein cylinder is connected with facing, and the part in piston rod at least provided with piston extends to cylinder interior, wherein should Emulsion pumps further include: flexible restoring organ, one end of flexible restoring organ are in contact or are connected with movable part, elastic reset The other end of mechanism is fixed on fixed part, wherein flexible restoring organ includes at least one elastic strip, and the shape of elastic strip is set It is set to, when seeing along the axial direction of emulsion pumps, at least part of elastic strip around the periphery of cylinder extends.

By above structure, the part of the structure of the emulsion pumps of the utility model, especially facing spring included below Structure is more compact, to further be convenient for transport, the storage etc. of product.

Preferably, flexible restoring organ further include: the cricoid spring seat of honour, the upper end of elastic strip are connected to the spring seat of honour On and/or cricoid spring lower seat, the lower end of elastic strip be connected on spring lower seat.

Preferably, elastic strip is connected to the spring seat of honour and/or spring lower seat by pivot part, wherein when elastic reset fills It sets when being compressed, pivot part is pivoted and folded.

Preferably, the first guide groove is formed on one in the inside and cylinder at the spring seat of honour, in the spring seat of honour The first guide ribs are formed on another in side and cylinder, the first guide groove and the first guide ribs match；And/or under spring It is formed with the second guide groove on one in the inside and cylinder of seat, is formed on another in the inside and cylinder of spring lower seat There are the second guide ribs, the second guide groove and the second guide ribs match.

In further preferably structure, the lower part of cylinder is provided with back-off portion, the fixed flexible restoring organ in back-off portion Spring lower seat.

Further, the emulsion pumps of the utility model may also include switching mechanism, and switching mechanism is configured to multiple with elasticity Position mechanism matches, so that when making pressure head be rotated in a first direction and/or move upwards, one end edge of flexible restoring organ First position is moved to towards the direction of the other end of flexible restoring organ, so that elasticity of compression resetting-mechanism, makes elastic reset Mechanism enters stand-by state, and when pressure head is along the second direction rotation opposite with first direction and/or moves downward, elasticity is multiple One end of position mechanism moves to the second position along the direction of the other end far from flexible restoring organ, enters flexible restoring organ Non- stand-by state.

By the setting of the switching mechanism, flexible restoring organ can switch between applicable state and non-applicable state, And in non-working condition, flexible restoring organ compression very little can be made or be not pressurized.This structure for plastics spring especially Favorably, it can prolong its service life.

Detailed description of the invention

In the accompanying drawings:

Fig. 1 is the side view of the emulsion pumps of the first embodiment of the utility model.

Fig. 2 is the partial cross sectional views of emulsion pumps shown in Fig. 1, shows the structure inside the emulsion pumps.

Fig. 3 is the partial perspective view of emulsion pumps shown in Fig. 1, including the piston rod, spring and fulcrum bearing of emulsion pumps.

Fig. 4 shows the cross-sectional view of emulsion pumps shown in Fig. 1, and wherein the emulsion pumps are in the lock state.

Fig. 5 shows another cross-sectional view of emulsion pumps shown in Fig. 1, and wherein the emulsion pumps are stood by.

Fig. 6 a~6d shows the fulcrum bearing of emulsion pumps shown in Fig. 1, and wherein Fig. 6 a is the cross-sectional view of fulcrum bearing, and Fig. 6 b is branch Another cross-sectional view of seat is held, Fig. 6 c is the top view of fulcrum bearing, and Fig. 6 d is the perspective view of fulcrum bearing.

Fig. 7 a and 7b show the piston rod of emulsion pumps shown in Fig. 1, and wherein Fig. 7 a is the side view of piston rod 150, Fig. 7 b It is the front view of piston rod.

Fig. 8 a~8c shows the perspective view of fulcrum bearing and piston rod interaction, wherein fulcrum bearing is opposite in Fig. 8 a It is in first position in piston rod, in figure 8b, fulcrum bearing is moved relative to piston rod towards the second position, and in Fig. 8 c, Fulcrum bearing reaches the second position.

Fig. 9 a~9f shows the spring of emulsion pumps shown in Fig. 1, and wherein Fig. 9 a is the front view of spring, and Fig. 9 b is spring Perspective view, Fig. 9 c are the top views of spring, Fig. 9 d is the bottom view of spring, and Fig. 9 e shows state of the spring around cylinder Schematic diagram, and Fig. 9 f then shows the sectional view that the line A-A in Fig. 9 e is obtained.

Figure 10 is the front view of the cylinder of emulsion pumps shown in Fig. 1.

Figure 11 a and 11b show the facing of emulsion pumps shown in Fig. 1, and wherein Figure 11 a is the front view of facing, and Figure 11 b is tooth The top view of set.

Figure 12 a and 12b show the cross-sectional view of the emulsion pumps of the second embodiment of the utility model, and wherein Figure 12 a is shown The lock state of the emulsion pumps, Figure 12 b show the dormant state of the emulsion pumps.

Figure 13 a~13d shows the fulcrum bearing of emulsion pumps shown in Figure 12 a and 12b, wherein Figure 13 a is the vertical view of fulcrum bearing Figure, Figure 13 b is the cross-sectional view of fulcrum bearing, and Figure 13 c is another cross-sectional view of fulcrum bearing, and Figure 13 d is the perspective view of fulcrum bearing.

Figure 14 a and 14b show the piston rod of emulsion pumps shown in Figure 12 a and 12b, and wherein Figure 14 a is facing for piston rod Figure, Figure 14 b is the perspective view of piston rod.

Figure 15 a and 15b show the perspective view of fulcrum bearing and piston rod interaction, wherein in fig. 15 a, fulcrum bearing phase First position is in for piston rod, and in Figure 15 b, fulcrum bearing is in the second position.

Figure 16 a and 16b show the cross-sectional view of the emulsion pumps of the 3rd embodiment of the utility model, and wherein Figure 16 a is shown The lock state of the emulsion pumps, Figure 16 b show the dormant state of the emulsion pumps.

Figure 17 is the partial enlarged view of the part A in Figure 16 b.

Figure 18 a shows the cross-sectional view of the emulsion pumps of the fourth embodiment of the utility model.

Figure 18 b shows the perspective view of emulsion pumps shown in Figure 18 a.

Figure 19 a and 19b show the cross-sectional view of the emulsion pumps of the 5th embodiment of the utility model, and wherein Figure 19 a is shown The lock state of the emulsion pumps, Figure 19 b show the dormant state of the emulsion pumps.

Figure 20 shows the side view of the pressure head of the emulsion pumps in Figure 19 a and 19b.

Figure 21 shows the cross-sectional view of the piston rod of the emulsion pumps of Figure 19 a and 19b.

Figure 22 shows the cross-sectional view of the piston of the emulsion pumps of Figure 19 a and 19b.

Figure 23 shows the cross-sectional view that the piston in piston rod and Figure 22 in Figure 21 fits together.

Figure 24 shows the cross-sectional view of the piston rod in a kind of emulsion pumps of distressed structure.

Figure 25 a shows the top view of the casing in the emulsion pumps of the distressed structure.

Figure 25 b shows the cross-sectional view of the casing in Figure 25 a.

Figure 26 shows the cross-sectional view of the piston in the emulsion pumps of the distressed structure.

Figure 27 shows the cross-sectional view that piston rod, casing and piston in Figure 24~26 fit together.

Figure 28 a and 28b show the cross-sectional view of the emulsion pumps of the sixth embodiment of the utility model, and wherein Figure 28 a is shown The lock state of the emulsion pumps, Figure 28 b show the dormant state of the emulsion pumps.

Figure 29 shows a kind of cross-sectional view of the emulsion pumps of prior art.

Specific embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It is to be appreciated that in attached drawing Shown in be only the utility model preferred embodiment, do not constitute the limitation to the scope of the utility model.This field Technical staff various obvious modifications, change can be carried out to the utility model on the basis of embodiment shown in the drawings Type, equivalence replacement, also, unless indicated to the contrary or obviously contradictory, different specific embodiment mode as described below In feature can arbitrarily combine.These all fall within the scope of the present invention.

<first embodiment>

Fig. 1~11b shows the emulsion pumps 100 of the first embodiment of the utility model, is provided with and puts in the emulsion pumps 100 Loose mechanism.Wherein, Fig. 1 shows the side view of emulsion pumps 100, Fig. 2 shows the perspective view of the local cutting of emulsion pumps 100, Therefrom it can be seen that the internal structure of emulsion pumps 100.

Emulsion pumps 100 include pressure head 110, facing 120 and cylinder 130.Cylinder 130 is connected with facing 120, in cylinder 130 outsides are provided with the flexible restoring organ of such as spring 140 etc around the periphery of cylinder 130.Further, such as Fig. 2 Shown, emulsion pumps 100 further include piston rod 150, and 150 one end of piston rod is connected to pressure head 110, is connected with piston on the other end, And it extend into inside cylinder 130.Also, it further include fulcrum bearing 160 in the emulsion pumps of the utility model 100, the fulcrum bearing 160 It is arranged in cylinder 130 around piston rod 150, so that the upper end of spring 140 is supported on the fulcrum bearing 160, lower end is then supported In cylinder 130, specifically it is supported on the lower part of cylinder 130.

It can be seen that pressure head 110 is able to drive piston rod 150 and is connected to piston rod in the emulsion pumps 100 of first embodiment Piston on 150 is moved relative to cylinder 130, facing 120 etc. together, and the components such as cylinder 130, facing 120 are being installed to appearance When on device, always it is kept fixed relative to the container or static state.Therefore, in the emulsion pumps 100, pressure head 110, piston Piston on bar 150 and piston rod 150, which can consider, constitutes at least part movable part of emulsion pumps 100, correspondingly, Cylinder 130 and facing 120 then constitute at least part fixed part of emulsion pumps 100.

The connection played the role of in the emulsion pumps 100 of the utility model between the associated components loosened is shown in Fig. 3 to close System.Figure 4 and 5 then respectively illustrate the cross-sectional view in unused state and the emulsion pumps of opening state 100.

The specific structure of each component of the emulsion pumps 100 to first embodiment is illustrated respectively below, and in this base Interconnection and interactively between each component is described in conjunction with Fig. 3~5, the cream of first embodiment is explicitly described on plinth The structure and operating principle of liquid pump 100.

Fulcrum bearing and piston rod:

In the present invention, uncoupling gear is realized by the interaction between piston rod 150 and fulcrum bearing 160 Function.It is described in detail below.

Fig. 6 a~6d shows each view of the fulcrum bearing 160 of the emulsion pumps 100 of first embodiment, and wherein Fig. 6 a and 6b are The cross-sectional view of fulcrum bearing 160 obtained from cutting from different directions, Fig. 6 c are the top views of fulcrum bearing 160, and Fig. 6 d is then branch Hold the perspective view of seat 160.

From the figure, it can be seen that the shape of fulcrum bearing 160 be it is substantially a ring-shaped, around piston rod 150 be arranged in piston The outside of bar 150 is set in the outside of piston rod 150 in other words (see Fig. 2).The outside of fulcrum bearing 160 is provided at least one A, preferably a pair of opposing guide pad 161, which cooperates with the short slot 131 in cylinder 130 makees With to limit the movement of fulcrum bearing 160, this be will hereafter be described in more detail.

At least one helical groove 162 is provided on the inside of the annular body of fulcrum bearing 160.Shown in Fig. 6 a~6d Preferred embodiment in, fulcrum bearing 160 include two helical grooves 162 being oppositely arranged.Correspond ground, such as Fig. 7 a and Shown in 7b, at least one helical form that can be matched with helical groove 162 is provided on the outer peripheral surface of piston rod 150 Raised line 151, such as a pair of helical form raised line 151 shown in Fig. 7 a and 7b.Preferably, the top of helical form raised line 151 also It is provided with annular flange 153, when fulcrum bearing 160 is in the position of its stroke highest point, the annular flange 153 is to fulcrum bearing 160 play backstop action, prevent fulcrum bearing 160 from continuing up and keep helical groove 162 and helical form raised line 151 de- It opens.

Tapered end block 152 is additionally provided on piston rod 150, be formed in it is on facing 120, be specifically formed in facing On 120 top 121 phase of notch cooperation, to allow pressure head 110 switch between lock state and dormant state, such as with Under be more fully described.

The schematic perspective view matched between piston rod 150 and fulcrum bearing 160 is shown in Fig. 8 a~8c.It is specific next It says, when rotary press head 110 rotates connected piston rod 150 in turn, in helical groove 162 and helical form raised line Under interaction between 151, fulcrum bearing 160 can be moved downward relative to piston rod 150, as shown in Figure 8 b.Also, into one Step ground rotary-piston bar 150, can be such that the helical form raised line 151 of piston rod 150 deviates from from the helical groove 162 of fulcrum bearing 160, And it is connected to the lower end surface of helical form raised line 151 on the upper surface of fulcrum bearing 160, state as shown in Figure 8 c.In this way, can make Spring 140 enters the stand-by state of compression from non-stand-by state.

Spring:

Fig. 9 a~9d shows the various views of spring 140, wherein Fig. 9 a shows the front view of spring 140, and Fig. 9 b shows The perspective view of spring 140 is gone out, Fig. 9 c then shows the top view of spring 140, and 9d then shows the bottom view of spring 140.

As shown in Fig. 9 a~9c, spring 140 has the spring seat of honour 141 annular in shape and spring lower seat 142 annular in shape, until The both ends of a few elastic strip 143 are connected on the spring seat of honour 141 and spring lower seat 142.Spring 140 shown in figure Including two elastic strips 143, but those of skill in the art would appreciate that it can according to need the elasticity of setting any suitable number Item 143, such as an elastic strip 143 or three or more elastic strips 143.

In the end that elastic strip 143 is connected with the spring seat of honour 141 and/or spring lower seat 142, preferably may be provided with Pivot part 146.The pivot part 146 is sheet, and when spring 140 is pressurized, the pivot part 146 of the sheet can be pivoted and be folded into On 141/ spring lower seat 142 of the spring seat of honour.

Preferably, as is shown in fig. 9 c, it is formed at least one guide groove 144 in the inside at the spring seat of honour 141 of spring 140, It is matched with the spring guide ribs 132 (see Figure 10) formed on the outer peripheral surface of cylinder 130, with the movement of guide springs 140, such as It will be described below.

As shown in figure 9d, it can also be formed with guide groove 145 in the inside of the spring lower seat 142 of spring 140, is easy to cylinder 130 Upper corresponding spring guide ribs 132 match.

In addition preferably, elastic strip 143 is shaped to, projection of the elastic strip in the axial direction of emulsion pumps 100 In generally arcuate.In other words, when the axial direction along emulsion pumps 100 is seen, elastic strip 143 around the periphery of the cylinder extremely Few a part extends, as shown in Fig. 9 e and 9f.In this way, the structure of emulsion pumps 100, especially 120 or less facing can be made to wrap The structure for including the part of spring 140 is more compact.

Certainly, Fig. 9 a~9f shows the preferred construction of spring 140.It can also modify for the structure or omit it In some structure divisions.Such as, it is convenient to omit 144 He of guide groove being separately positioned in the spring seat of honour 141 and spring lower seat 142 Guide groove 145.Further, spring 140 also may not include the spring seat of honour 141 and spring lower seat 142, and each elastic strip 143 is distinguished It is fixed in fulcrum bearing 160 and the lower part of cylinder 130.

Cylinder:

Figure 10 shows the front view of cylinder 130.As shown in Figure 10, short slot 131 is formed on the outer wall of cylinder 130, The guide pad 161 of fulcrum bearing 160 is slidably received in the short slot 131, so that fulcrum bearing 160 can only be relative to cylinder 130 move along longitudinal direction, and can not rotate.

Preferably, spring guide ribs 132 are additionally provided on the periphery of cylinder 130, the spring seat of honour with spring 140 The guide groove 145 in guide groove 144 and/or spring lower seat 142 in 141 matches, to play the role of guide springs 140.

The setting of guide groove and guide ribs also can be interchanged, that is, guidance is formed on 141/ spring lower seat 142 of the spring seat of honour Item, and guide groove is formed on cylinder 130.

In addition preferably, being formed with back-off portion 133 in the bottom of 130 outer wall of cylinder, the spring lower seat with spring 140 142 match, and with seat 142 under fixed spring, prevent spring lower seat 142 from moving upwards relative to cylinder 130.

Facing:

Figure 11 a and 11b respectively illustrate the front view and top view of facing 120.As shown, on facing 120, especially It is to form jagged 121 at the top of facing 120.Tapered end block 152 is directed at the notch 121 when piston rod 150 is rotated When, tapered end block 152 may pass through the notch 121, so that piston rod 150 and its pressure head 110 connected pop up, thus lotion Pump 100 enters dormant state.

The operation of emulsion pumps:

It is illustrated hereinafter with reference to operating principle of the Figure 4 and 5 to the emulsion pumps 100 of first embodiment.

As shown in figure 4, emulsion pumps 100 are in the lock state, which can be used for the fields such as the transport of emulsion pumps 100, sale It closes.At this point, the fulcrum bearing 160 in emulsion pumps 100 is located at the highest point of its stroke, and the helical groove 162 of fulcrum bearing 160 with Helical form raised line 151 in piston rod 150 matches.Emulsion pumps 100 are operated after having purchased product to use When product, user drives the piston rod 150 being connected on pressure head 110 to rotate together along opening direction rotary press head 110.

Helical form raised line 151 and fulcrum bearing 160 during piston rod 150 rotates, on the outer surface of piston rod 150 On helical groove 162 interact, move downward fulcrum bearing 160 relative to piston rod 150, i.e., along towards spring 140 Direction movement, until helical form raised line 151 and helical groove 162 disengage.In the process, fulcrum bearing 160 is to spring 140 Apply compressing force, and compressing force is gradually increased.After helical form raised line 151 and helical groove 162 disengage, continues rotation and live Stopper rod 150 offsets helical groove 162 with helical form raised line 151, so that the lower end of helical form raised line 151 is connected to spiral shell On the upper surface for revolving shape groove 162.At this point, spring 140 enters stand-by state from freely non-stand-by state.

With the rotation of piston rod 150, tapered end block 152 can also moved to and is aligned with the notch 121 at the top of facing 120 Position.At this point, tapered end block 152 may pass through notch 121, so that pressure head 110 be made to bounce dormant state.

After usage, if desired emulsion pumps 100 come back to lock state, then pressure head 110 are depressed into its stroke Minimum point, then towards the closing direction rotary press head 110 opposite with opening direction.In the process, the spiral of piston rod 150 Shape raised line 151 can be cooperated to again in the helical groove 162 of fulcrum bearing 160, and with the rotation of piston rod 150, helical form Raised line 151 and helical groove 162 interact, and move upwards fulcrum bearing 160, i.e., move along the direction for leaving spring 140, Reduce the compressing force being applied on spring 140, so that spring 140 comes back to non-stand-by state.Even, 160 energy of fulcrum bearing It is enough to be detached from and the contact of spring 140.Herein, it can be seen that helical form raised line 151 can make spring 140 in non-stand-by state and standby Switched between state, that is, plays the role of switching mechanism.In addition, it is also contemplated that helical form raised line 151, which plays, passes through branch It holds seat 160 and makes the effect of the movable part split-phase clutch of spring 140 and emulsion pumps 100.

Preferably, by the relative position of helical form raised line 151 and tapered end block 152 in piston rod 150 and be sized to, Before tapered end block 152 is aligned with the notch 121 of facing 120, helical form raised line 151 is deviate from from helical groove 162.This Sample can prevent during pressing pressure head 110 carrys out pumping production, and helical form raised line 151 enters helical groove 162 again In.

In addition, the longitudinal length of tapered end block 152 is also preferably arranged to, pressing pressure head 110 come pumping production and During pressure head 110 is sprung back, tapered end block 152 moves in notch 121 always, in this way, in use, can prevent because of pressure First 110 rotate and enter helical form raised line 151 in helical groove 162.

Although at this it should be particularly noted that, playing the role of the spiral shell of switching mechanism in the above specifically described structure It revolves shape raised line 151 to be formed on the piston rod, but switching mechanism also may be formed at any other of the movable part of emulsion pumps 100 On component and other positions, this is equally within the open scope of the utility model.

Further, switching mechanism also may be formed on the fixed part of emulsion pumps 100, such as can be in cylinder 130 Helical form raised line is formed on wall, and accordingly, spiral groove can be formed on the periphery of fulcrum bearing 160.Alternatively, in certain structures Emulsion pumps in, be formed with helical form raised line piston rod be emulsion pumps fixed part, and cylinder be movable part (situation It will explain in detail in the following embodiments).These are also all without departing from the open scope of the utility model.

<second embodiment>

Figure 12 a~15b shows the emulsion pumps 200 of the second embodiment of the utility model.Wherein, for implementing with first The same or similar technical characteristic of emulsion pumps 100 of example is no longer described in detail, and only in the emulsion pumps of second embodiment 200 Disclosed technical characteristic is not described in the first embodiment.Unless there are there is conflict in opposite statement or structure, first Technical characteristic disclosed in embodiment is applied equally to second embodiment.

The emulsion pumps that Figure 12 a and Figure 12 b respectively illustrate the emulsion pumps 200 being in the lock state and stands by 200.Emulsion pumps 200 include pressure head 210, facing 220, cylinder 230, spring 240 and piston rod 250.It is provided in cylinder 230 Fulcrum bearing 260.It is identical with the first embodiment, short slot 231, the guide pad of fulcrum bearing 260 is formed in the outer wall of cylinder 230 261 are slidably received in short slot 231, so that fulcrum bearing 260 can only move along longitudinal direction relative to piston rod 250.

Figure 13 a~13d shows the various views of the fulcrum bearing 260 in the emulsion pumps 200 of second embodiment, wherein scheming 13a shows the top view of fulcrum bearing 260, and Figure 13 b shows the sectional view of fulcrum bearing 260, and Figure 13 c shows fulcrum bearing 260 Another sectional view, and Figure 13 d then shows the perspective view of fulcrum bearing 260.

Fulcrum bearing 260 in the emulsion pumps 200 of second embodiment is also substantially annular in shape, has at least one guide pad 261 (two guide pads 261 being oppositely arranged are shown in the figure).The inside of fulcrum bearing 260 be formed at least one, preferably Ground is the fulcrum bearing notch 262 of a pair of opposing of diagram.At least one is also preferably formed in the inside of fulcrum bearing 260 Fulcrum bearing block 263 is preferably respectively formed fulcrum bearing block 263 in the upper and lower part of the inside of fulcrum bearing 260.

Figure 14 a and 14b respectively illustrate the front view and perspective view of piston rod 250.Corresponding to setting in fulcrum bearing 260 Fulcrum bearing notch 262, be formed with gib block 251 on the periphery of piston rod 250.In addition, on the periphery of piston rod 250 also compared with It is formed with the upper clamping block 252 for being located at 251 the upper side and lower side of gib block and lower clamping block 253 goodly.Upper 252 He of clamping block Lower clamping block 253 is matched with fulcrum bearing block 263, rotate piston rod 250 can only along preset direction.

Piston rod 250 and fulcrum bearing 260 as shown in figs. 15 a and 15b as cooperate.

The mode of operation of the emulsion pumps 200 of second embodiment is described below with reference to Figure 12 a, 12b, 15a and 15b.

As shown in Figure 12 a and 15a, when emulsion pumps 200 are in the lock state, fulcrum bearing 260 is located at leading for piston rod 250 To the top of item 251, and fulcrum bearing notch 262 is staggered with gib block 251, so that fulcrum bearing 260 is relative to piston rod 250 Position fix.

When needing using emulsion pumps 200, to opening direction rotary press head 210, make fulcrum bearing notch 262 and gib block 251 alignments, at this point, pressure head 210 can be manually brought up to the highest point of its stroke, fulcrum bearing 260 is relative to piston rod 250 Move to 251 lower section of gib block.Rotary press head 210 is then proceeded to, fulcrum bearing notch 262 is made to be staggered once again with gib block 251, from And gib block 251 limits fulcrum bearing 260 at position thereunder.At this point, spring 240 loads, so as to pass through pressing pressure First 210 carry out pump action.

After usage, lock state is come back to emulsion pumps 200, then can rotates in the reverse direction pressure head 210, make to prop up It holds a notch 262 to be aligned again with gib block 251, then pressure head 210 can be pressed onto manually the minimum point of its stroke, then proceeded to Rotary press head 210 makes fulcrum bearing notch 262 be staggered with gib block 251, to make fulcrum bearing 260 be maintained at it by gib block 251 At the position of top.

It is arranged preferably, being provided on piston rod 250 in upper clamping block 252 and lower clamping block 253 and fulcrum bearing 260 In the situation for having fulcrum bearing block 263, interaction between upper and lower clamping block 252 and 253 and fulcrum bearing block 263 so that User can only be according to preset direction rotary press head 210.

<3rd embodiment>

A~17 Figure 16 show the emulsion pumps 300 of the 3rd embodiment of the utility model.Wherein, for implementing with first Example and the same or similar technical characteristic of second embodiment are no longer described in detail, and only to the emulsion pumps of 3rd embodiment 300 In disclosed technical characteristic is not described in the first and second embodiment.Unless there are having punching in opposite statement or structure Prominent, the technical characteristic disclosed in the first and second embodiments is applied equally to 3rd embodiment.

Emulsion pumps 300 include pressure head 310, facing 320, cylinder 330, spring 340 and piston rod 350, and emulsion pumps 300 In also include fulcrum bearing 360.In the emulsion pumps 300 of 3rd embodiment, back-off ring 351 is formed on piston rod 350, it should Back-off ring 351 is formed with the first inclined-plane 352 upwardly, correspondingly, the second inclined-plane downwards is formed in fulcrum bearing 360 361。

In the latched position shown in Figure 16 a, pressure head 310 is in the minimum point of its stroke, and fulcrum bearing 360 is located at back-off ring 351 top.After pressure head 310 is rotated to open position, pressure head 310 is pulled upwardly to the highest point of its stroke, herein In the process, back-off ring 351 reaches the top of fulcrum bearing 360 up over fulcrum bearing 360.At this point, the structure resistance of back-off ring 351 Only fulcrum bearing 360 returns to the top of back-off ring 351 once again.Emulsion pumps 300 are maintained at dormant state shown in Figure 16 b as a result,.

<fourth embodiment>

Figure 18 a and 18b show the emulsion pumps 400 of the fourth embodiment of the utility model.Wherein, for first to The same or similar technical characteristic of three embodiments is no longer described in detail, and only to not existing in the emulsion pumps of fourth embodiment 400 First is described to technical characteristic disclosed in 3rd embodiment.Unless there are having conflict in opposite statement or structure, Technical characteristic disclosed in one to 3rd embodiment is applied equally to fourth embodiment.

The emulsion pumps 400 of fourth embodiment and the emulsion pumps 100 of first embodiment are substantially the same, and difference is only that omission The spring seat of honour 141 of spring 140 and spring lower seat 142.In other words, in emulsion pumps 400, the elastic strip upper end of spring 440 It is connected directly between in fulcrum bearing 460, and the lower end of elastic strip is then connected directly between the lower part of cylinder 430.

<the 5th embodiment>

As a~22 Figure 19 show the emulsion pumps 500 of the 5th embodiment of the application.Wherein, for first to fourth The same or similar technical characteristic of embodiment is no longer described in detail, and only in the emulsion pumps 500 of the 5th embodiment not One is described to technical characteristic disclosed in fourth embodiment.Unless there are there is conflict in opposite statement or structure, first The 5th embodiment is applied equally to the technical characteristic disclosed in fourth embodiment.

Figure 19 a shows the cross-sectional view of the emulsion pumps 500 in the next lock state, and Figure 19 b is shown in stand-by shape The cross-sectional view of the emulsion pumps 500 of state.It can see from Figure 19 a and 19b, in the 5th embodiment, the pressure head of emulsion pumps 500 510 lower part is equipped with external screw thread, and is fixed at latched position by the threaded connection between facing 520.In Figure 20 The external screw thread 511 on pressure head 510 is more clearly shown.Correspondingly, it is formed in the opening of facing 520 and external screw thread 511 internal screw threads to match.

Further, as shown in Figure 21~23, piston rod 550 and the piston 580 of the emulsion pumps 500 of the 5th embodiment are separated It is formed, and linked together.Helical form raised line as switching part can be formed in appointing in piston rod 550 and piston 580 On the outer surface of meaning one, or a part is formed on the outer surface of piston rod 550, and another part is formed in piston 580 On outer surface.In structure shown in the figure, helical form raised line 581 is formed on the outer surface of piston 580.

Certainly, the back-off ring in 3rd embodiment and the structure of inclined-plane cooperation can also be applied to piston shown in Figure 21~23 In the situation that bar and piston are formed separately.

Figure 24~27 show the mode of texturing of part-structure in the 5th embodiment.Wherein, piston rod 650 and piston 680 Also it is formed separately, and is then attached to together.Unlike structure shown in Figure 21~23, tied shown in Figure 24~27 In structure, it is additionally provided with casing 670, helical form raised line 671 is formed on the outer surface of the casing 670 or other types of is cut Change component.Also, the casing 670 is set on the outer surface of the piston rod 650 and piston 680 that link together, in Figure 27 Shown in.It can be also preferably formed with the structure of such as protrusion 672 etc, on the inner surface of casing 670 to facilitate and live Tight fit between the outer surface of stopper rod 650 and/or piston 680.

<sixth embodiment>

Figure 28 a and 28b show the emulsion pumps 700 of the sixth embodiment of the application.Wherein, for it is first to the 5th real It applies example and its same or similar technical characteristic of mode of texturing is no longer described in detail, and only to the emulsion pumps of sixth embodiment 700 distinctive technical characteristics are described.Moreover, first to the 5th is real unless there are mutually conflicting in opposite statement or structure It applies the technical characteristic disclosed in example and its mode of texturing and is applied equally to the 5th embodiment.

Figure 28 a shows the sectional view of the emulsion pumps 700 in down lock head state, and Figure 28 b is shown in stand-by shape The sectional view of the emulsion pumps 700 of state.Emulsion pumps 700 include pressure head 710 as seen from the figure, are connected with gas in the lower part of pressure head 710 Cylinder 730.Thus, in the sixth embodiment, the movement (such as rotation or up and down motion) of pressure head 710 drives cylinder 730 to start shipment It is dynamic, so that pressure head 710 and cylinder 730 constitute at least part movable part of emulsion pumps.

In addition, spring support 770 is connected on facing 720 in the emulsion pumps 700 of sixth embodiment, spring 750 (in Figure 28 a and 28b be specifically lower end) is supported on spring support 770 for one end, and the other end of spring 750 is (in figure being End) it is supported on spring bearing housing 760.

Piston rod 740 is also fixedly connected on spring support 770, the piston on 740 one end of piston rod extend into gas In cylinder 730.

As shown in Figure 28 a and 28b, it is formed with the first protrusion 731 and the second protrusion 732 on the outer wall of cylinder 730, and Fluted 761 are formed on the inner surface of spring bearing housing 760.With the up and down motion of pressure head 710 and cylinder 730, groove 761 can It is matched respectively with one in the first protrusion 731 and the second protrusion 732.For example, when groove 761 and the protrusion being located above 731 when matching (such as state of Figure 28 a), and spring 750 is in unloaded state, and works as groove 761 and underlying second Protrusion 732 matches, or when even on the second 732 lower section of protrusion, and spring 750 enters stress state.

Therefore, in the sixth embodiment, play the role of the first protrusion of switching mechanism being formed on 730 outer wall of cylinder 731 and second protrusion 732.Certainly, helical form raised line, gib block for mentioning in above-described embodiment etc., which implement structure, can also be applied to In sixth embodiment.

Claims (6)

1. a kind of emulsion pumps, the emulsion pumps include movable part and fixed part, wherein the movable part include pressure head, Piston rod and piston wherein the piston rod is connected to the lower part of the pressure head, and are provided with the work on the piston rod Plug, the fixed part includes facing and cylinder, wherein the cylinder is connected with the facing, and in the piston rod at least The part for being provided with the piston extends to the cylinder interior, which is characterized in that the emulsion pumps further include:

Flexible restoring organ, one end of the flexible restoring organ are in contact or are connected with the movable part, the elasticity The other end of resetting-mechanism is fixed on the fixed part, wherein the flexible restoring organ includes at least one elastic strip, institute It states elastic strip to be shaped to, when the axial direction along the emulsion pumps is seen, the elastic strip is around the outer of the cylinder At least part in week extends.

2. emulsion pumps as described in claim 1, which is characterized in that the flexible restoring organ further include:

The cricoid spring seat of honour, the upper end of the elastic strip are connected on the spring seat of honour, and/or

Cricoid spring lower seat, the lower end of the elastic strip are connected on the spring lower seat.

3. emulsion pumps as claimed in claim 2, which is characterized in that the elastic strip is connected on the spring by pivot part Seat and/or the spring lower seat, wherein when the elasticity reset device is compressed, the pivot part is pivoted and folded.

4. emulsion pumps as claimed in claim 2, which is characterized in that one in the inside and the cylinder at the spring seat of honour It is formed with the first guide groove on a, is formed with the first guidance on another in the inside and the cylinder at the spring seat of honour Item, first guide groove and first guide ribs match；And/or

It is formed with the second guide groove on one in the inside and the cylinder of the spring lower seat, in the spring lower seat The second guide ribs are formed on another in side and the cylinder, second guide groove and second guide ribs match.

5. the emulsion pumps as described in any one of claim 2~4, which is characterized in that the lower part of the cylinder is provided with back-off Portion, the spring lower seat of the fixed flexible restoring organ in the back-off portion.

6. emulsion pumps as described in any one of claims 1 to 4, which is characterized in that the emulsion pumps further include switching mechanism, The switching mechanism is configured to match with the flexible restoring organ, so that when being rotated in a first direction the pressure head And/or when moving upwards, described one end of the flexible restoring organ is along the other end towards the flexible restoring organ Direction move to first position, to compress the flexible restoring organ, the flexible restoring organ is made to enter stand-by state, And when the pressure head is along the second direction rotation opposite with first direction and/or moves downward, the flexible restoring organ Described one end moves to the second position along the direction of the other end far from the flexible restoring organ, makes the elastic reset Mechanism enters non-stand-by state.