CN205686837U

CN205686837U - Liquid pump closing device and include the liquid pump of this liquid pump closing device

Info

Publication number: CN205686837U
Application number: CN201620547190.3U
Authority: CN
Inventors: 丁要武
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-07
Filing date: 2016-06-07
Publication date: 2016-11-16
Anticipated expiration: 2026-06-07

Abstract

A kind of liquid pump closing device includes: fixed part, when liquid pump closing device is arranged on liquid pump, this fixed part coordinates in the cylinder head of described liquid pump, and the cooperation between fixed part and cylinder head stops fixed part move upward relative to cylinder head and/or rotate, pressure head auxiliary section, one end of this pressure head auxiliary section is connected on fixed part, the other end of pressure head auxiliary section is free end, and it is formed with insert, the shape of insert and/or be sized to match with the oral area of liquid pump head, and when liquid pump closing device is arranged on liquid pump, insert inserts in this oral area.By this liquid pump closing device, it is possible to be surely closed off liquid pump, prevent liquid pump to be accidentally opened in accumulating, sales process, and this device is difficult to impaired.Also disclose a kind of liquid pump with this liquid pump closing device.

Description

Liquid pump closing device and include the liquid pump of this liquid pump closing device

Technical field

This utility model relates to a kind of liquid pump closing device, for the accumulating packed at the product with liquid pump, pin During selling sealing liquid pump, this utility model further relates to the liquid pump with this liquid pump closing device.

Background technology

The product with liquid pump in the market is packed, in their accumulating and sales process, in order to really Protect liquid pump accidentally do not opened and/or do not tried out before being sold by, generally with receiving in the finishing operation produced Contracting film by liquid pump or by liquid pump connection be provided with this liquid pump product packaging wrap up together.Consumer is purchasing After having bought such product, need to tear this shrink film off, then could open liquid pump, the product bought with use.

There are following problems in this type of packaging being wrapped in shrink film:

First, the mode typically by pyrocondensation makes shrink film be wraps closely about in product packaging at present.To product Packaging applies high temperature so that during shrink film pyrocondensation, the also easily temperature distortion of product packaging, when product is packaged as such as PET Etc material manufacture time especially true.

Second, shrink film sensitive for damages, especially easily touched brokenly because of factors such as collisions in storage and transport process.Damaged The sale of product can be had a negative impact by shrink film, the product of the shrink film breakage that people are typically reluctant in shopping goods packaging Product.

Accordingly, it would be desirable to a kind of liquid pump closing device that can overcome the problems referred to above of the prior art.

Summary of the invention

The purpose of this utility model is to provide a kind of novel liquid pump closing device, and it can be surely closed off liquid Pump, prevents liquid pump to be accidentally opened in accumulating, sales process, and is difficult to impaired.

Liquid pump closing device of the present utility model includes:

Fixed part, when liquid pump closing device is arranged on liquid pump, this fixed part coordinates the cylinder head at liquid pump On, and cooperation between fixed part and cylinder head stops fixed part move upward relative to cylinder head and/or rotate,

Pressure head auxiliary section, one end of this pressure head auxiliary section is connected on fixed part, and the other end of pressure head auxiliary section is freely End, and is formed with insert, the shape of insert and/or be sized to match with the oral area of liquid pump head, and When liquid pump closing device is arranged on liquid pump, insert inserts in this oral area.

By liquid pump closing device of the present utility model, can be surely closed off in the accumulating of product and sales process Liquid pump, specifically by coordinating between insert with liquid pump head oral area, prevent the entrance of extraneous dust with And product is from the leakage of this liquid pump.And, this liquid pump closing device still prevents liquid pump in accumulating and sales process It is accidentally opened.

Additionally, liquid pump closing device of the present utility model may further be used to indicate product to have been used.This is because, peace After having filled liquid pump closing device of the present utility model, to use product therein, it is necessary to destroy this liquid pump sealing dress Put, such as, make fixed part disconnected from each other with pressure head auxiliary section.Thus, when consumer is when buying product, if in product packaging Liquid pump closing device keeps complete, then show that this product has not been used, otherwise, if liquid pump closing device is by tear fracture, then Show that this product had been used.

Further, pressure head auxiliary section is provided with weak point.It is preferred that this weak point is arranged in pressure head auxiliary section The position being connected with fixed part.By the setting of this weak point, it is simple to consumer opens liquid after have purchased product Body pump is to use product therein.

For the ease of fixed part fixing, on the surface that the outer wall with cylinder head of fixed part is facing in cylinder head It is provided with prominent welding muscle.

By the way of welding, fixed part can be fixed in cylinder head.Such as, fixed part in the following manner in extremely On few a kind of outer wall being fixed on cylinder head: ultrasonic bonding, thermal weld and IR welding.

Preferably implement in structure at another, the upper surface of pressure head auxiliary section is provided with at least two projection, extremely Distance between few two projections is configured to, and when liquid pump closing device is arranged on liquid pump, is arranged on pressure head bottom Projection be accommodated between this at least two projection.

By the setting of at least two projection herein, pressure head auxiliary section can be fixed relative to pressure head.So, rotating When pressure head is to open liquid pump, pressure head auxiliary section will not be distorted because of the rotation of pressure head, and such distortion can affect liquid Body pump closing device successfully disconnects.

A kind of form of implementation of the fixed part of liquid pump closing device is the fixed part of banding, when liquid pump closing device is pacified When being contained on liquid pump, the fixed part of banding extends round the outer wall of described cylinder head and is fixed on described outer wall.

A kind of form of implementation of fixed part is ring for fixing, i.e. do not install with under mounted state, this fixed part all in Complete is ring-type.

In the situation that fixed part is ring for fixing, can be by the corresponding component (such as cylinder head etc.) of ring for fixing with liquid pump Snap-fit stop moving upward of ring for fixing.Now, the structure of the welding muscle being before previously mentioned just becomes optional structure.Change Yan Zhi, on the premise of can moving upward stoping ring for fixing, it is allowed to ring for fixing rotates.

In a kind of structure, the internal diameter of ring for fixing is less than the external diameter of cylinder head, thus is mounted at liquid pump closing device Time on liquid pump, ring for fixing is made to be sandwiched between facing and the cylinder head of liquid pump.

Or, snap ring can be formed on the inwall of ring for fixing, when liquid pump closing device is installed on liquid pump, card Ring matches with the stage portion on the outer wall of cylinder head, by the snap-fit between snap ring and stage portion, stops described ring for fixing phase Cylinder head is moved upward.

This utility model further relates to a kind of liquid pump, and this liquid pump includes liquid pump closing device as described above.

Accompanying drawing explanation

Fig. 1 a shows the front view of liquid pump closing device first embodiment of the present utility model.

Fig. 1 b shows the sectional view of the first embodiment of the liquid pump closing device of the line A-A intercepting along Fig. 1 a.

Fig. 1 c shows the top perspective view of the liquid pump closing device shown in Fig. 1 a.

Fig. 1 d shows the face upwarding stereogram of the liquid pump closing device shown in Fig. 1 a, this face upwarding stereogram be by from Direction contrary for Fig. 1 c is seen and is obtained.

Fig. 2 a shows adaptively and the liquid pump closing device shown in Fig. 1 a is installed to the process on liquid pump.

Fig. 2 b shows the longitudinal section of liquid pump, has wherein been mounted with the liquid pump envelope shown in Fig. 1 a on this liquid pump Mouth device.

Fig. 3 a is the front view of the liquid pump being mounted with liquid pump closing device shown in Fig. 1 a～1d.

Fig. 3 b is the side view of the liquid pump being mounted with liquid pump closing device shown in Fig. 1 a～1d.

Fig. 4 shows the axonometric chart of the second embodiment of liquid pump closing device of the present utility model.

Fig. 5 shows the partial bottom perspective view of the liquid pump matched with the liquid pump closing device shown in Fig. 4, wherein Demonstrate the projection being formed at liquid pump head bottom.

Axonometric chart in Fig. 6 schematically shows and the liquid pump closing device shown in Fig. 4 is installed to the liquid shown in Fig. 5 On body pump.

Fig. 7 shows the axonometric chart of the 3rd embodiment of liquid pump closing device of the present utility model.

Fig. 8 is the sectional view of the liquid pump being mounted with the closing device of liquid pump shown in Fig. 7.

Fig. 9 shows the axonometric chart of the 4th embodiment of liquid pump closing device of the present utility model.

Figure 10 is the sectional view of the liquid pump being mounted with the closing device of liquid pump shown in Fig. 9.

Detailed description of the invention

Below with reference to accompanying drawing, detailed description of the invention of the present utility model is described in detail.It is to be appreciated that in accompanying drawing Shown is only preferred embodiment of the present utility model, and it is not intended that the restriction to scope of the present utility model.This area Technical staff on the basis of embodiment shown in the drawings, this utility model can be carried out various obvious amendment, change Type, equivalence are replaced, and, on the premise of not contradicting, the technical characteristic in different embodiments discussed below is permissible Combination in any, and these all fall within protection domain of the present utility model.

Fig. 1 a～1d respectively illustrates the front view of the first embodiment of liquid pump closing device 1 of the present utility model, cuts open View, front perspective view and rear perspective view.As it can be seen, liquid pump closing device 1 includes two parts: fixed part 10 and pressure Head auxiliary section 20.Wherein, fixed part 10 in the first embodiment under non-installment state in banding.

During liquid pump closing device 1 is installed on liquid pump 2 (as shown in Figure 2 a), the fixed part in banding 10 bend (such as arrow R indication) round the cylinder head 30 of liquid pump 2, and are subsequently fastened on the outer surface 31 of cylinder head 30, Thus be formed as ring-type or part cyclic, as shown in Fig. 2 b clearly.

In order to more securely fixed part 10 is fixed in cylinder head 30, it is preferred that at fixed part 10 towards cylinder head A side surface on be provided with at least one welding muscle 11.In the preferred construction shown in Fig. 1 c, at the fixed part 10 of banding Multiple welding muscle 11 it is both provided with on two ends and mid portion.By such as ultrasonic bonding, thermal weld, IR welding with And other alternate manner well known in the prior art, fixed part 10 is securely fixed on the outer surface 31 of cylinder head 30.

One end of pressure head auxiliary section 20 is connected on fixed part 10, and the other end is free end.It is preferred that it is shown in the figure In structure, pressure head auxiliary section 20 extends along the length direction generally perpendicular direction with fixed part 10.Certainly, pressure head auxiliary section 20 extend along other direction also dependent on needs.The free end of pressure head auxiliary section 20 is formed insert 21.Such as Fig. 1 a～ Shown in 1d, insert 21 is folded over 180 degree relative to the other parts of pressure head auxiliary section 20 and extends.Further, this insert 21 Size and/or shape be configured to the oral area 41 of the pressure head 40 with liquid pump 2 and match.Specifically, seal when liquid pump When device 1 is arranged on liquid pump 2, insert 21 can be plugged into, in the oral area in the pressure head 40 of liquid pump 2, thus stoping just Product leaks out from this oral area 41.

Being provided with weak point 22 on pressure head auxiliary section 20, this weak point 22 is preferably disposed in pressure head auxiliary section 20 The position being connected with fixed part 10.Fig. 1 d more clearly show this weak point 22.Weak point 22 can take various shape Formula, such as, shown in Fig. 1 c and 1d, the thickness of the other parts of the thickness specific head auxiliary section 20 of weak point 22 is little, also Less than the thickness of fixed part 10, thus be formed as thinner wall section.In alternate manner, weak point 22 may be alternatively formed to what part was connected Breakpoint portion.

By the pressure head 40 of rotating liquid pump 2, liquid pump closing device 1 can be made to disconnect at weak point 22.

The assembling of liquid pump closing device of the present utility model explained below and use principle.

In filling product into packaging, and after installing liquid pump 2 on the packaging, as shown in Figure 2 a, first will insert Enter in the oral area 41 of the pressure head 40 that part 21 is inserted into liquid pump 2.Then, as shown in the arrow R in Fig. 2 a, round liquid pump The cylinder head 30 of 2 bends fixed part 10, is allowed to formation and surrounds the circulus of cylinder head 30 (as shown in the sectional view of Fig. 2 b).

Then, by the way of such as ultrasonic bonding, thermal weld, IR welding etc, fixed part 10 is made to be fixed on On the outer surface 31 of cylinder head 30.It is preferred that fixed part 10 is fixed in cylinder head 30 via the welding muscle 11 shown in Fig. 1 c.

Having installed the liquid pump 2 of liquid pump closing device 1 as best shown in figures 3 a and 3b, wherein Fig. 3 a is front view, Fig. 3 b It it is side view

After being installed on liquid pump 2 by liquid pump closing device 1 of the present utility model, insert 21 seals liquid pump The oral area 41 of the pressure head 40 of 2, thus on the one hand prevent dust in oral area 41 enters liquid pump 2, on the other hand prevent in packaging Product leak from oral area 41.The fixed part 10 of liquid pump closing device 1 is fixed on the outer surface 31 of the cylinder head 30 of liquid pump 2 On, thus the pressure head 40 of emulsion pumps 2 can be prevented to be opened in accumulating and sales process.

And when consumer have purchased need after product use time, can be along opening direction rotary press head 40, now pressure head Auxiliary section 20 will rotate along with pressure head 40, and fixed part 10 is fixed in cylinder head 30 simultaneously, so, and liquid pump closing device 1 can be torn at weak point 22, makes fixed part 10 and pressure head auxiliary section 20 disconnected from each other.Afterwards, pressure head can be joined by consumer Conjunction portion 20 takes off, normally to use emulsion pumps.

It will be seen that in above structure, owing to fixed part 10 is fixed in cylinder head 30, therefore fixed part 10 relative to Moving upward and rotating of cylinder head 30 is all prevented from.It is evidenced from the above discussion that, it is possible to by method well known in the prior art Only stop fixed part 10 relative to the one in the moving upward and rotate of cylinder head 30, be capable of above-described equally Operating principle.

Fig. 4～6 shows the second embodiment of liquid pump closing device 1 of the present utility model.Hereinafter will mainly describe The feature that two embodiments are exclusive, unless otherwise defined, is equally applicable to above with respect to the content described by first embodiment Second embodiment, is not repeated.Similarly, on the premise of not producing contradiction, described in the second embodiment Feature is equally applicable in first embodiment.

As shown in Figure 4, the upper surface 23 of pressure head auxiliary section 20 is provided with two projections 24.The two projection 24 is mutual Spaced apart.Corresponding, it is formed with projection 42 in pressure head 40 bottom of the liquid pump 2 that will install this liquid pump closing device 1, As shown in Figure 5.When liquid pump closing device 1 is installed on liquid pump 2, the projection 42 of pressure head 40 bottom is accommodated in two Between projection 24.

So, during opening liquid pump 2, pressure head auxiliary section 20 will not be distorted because of the rotation of pressure head 40, And guarantee that liquid pump closing device 1 breaks apart at its weak point 22.

Further, the quantity of projection 24 can also be the quantity of plural any appropriate, as long as in installment state Under make the projection 42 of pressure head 40 of liquid pump 2 can be received and be fixed between these projections 24.

Fig. 7 and 8 shows the 3rd embodiment of liquid pump closing device 1 of the present utility model.Hereinafter will mainly describe The feature that two embodiments are exclusive, except as otherwise noted, the suitableeest above with respect to the content described by the first and second embodiments For the 3rd embodiment, it is not repeated.Similarly, on the premise of not producing contradiction, the 3rd embodiment is retouched The feature stated is equally applicable in the first and second embodiments.

As it is shown in fig. 7, in the third embodiment, fixed part 10 under non-installment state and installment state the most in the form of a ring. Therefore, the form in ring for fixing of the fixed part 10 in the 3rd embodiment.

As shown in Figure 8, when liquid pump closing device 1 is installed on liquid pump, the fixed part of liquid pump closing device 1 10 are between the cylinder head 30 of liquid pump and facing 50.For realizing such installation effect, can be by the internal diameter of fixed part 10 It is set smaller than the external diameter of cylinder head 30.So, under the mounted state shown in Fig. 8, when seeing along the longitudinal direction of liquid pump Time, overlap at least in part between fixed part 10 with cylinder head 30, thus cylinder head 30 can stop fixed part 10 fortune upwards Dynamic.

In the third embodiment, fixed part 10 is sandwiched between the cylinder head 30 of liquid pump and facing 50 such that it is able to logical Cross cylinder head 30 to stop fixed part 10 motion upwards.By such structure so that the weldering in the first and second embodiments Connect muscle 11 and become optional feature.I.e., it is possible to fixed part 10 is fixed on liquid pump by welding, such as with cylinder head 30 Fixing connection, it is also possible to save Welding Structure, stop moving upward of fixed part 10 merely with cylinder head 30.

The operation principle of the 3rd embodiment is as follows: when consumer's product to be used, need rotary press head 40, to disengage pressure Connection between 40 and cylinder head 30.In the process, pressure head 40 can constantly rise, and drives liquid pump closing device 1 Pressure head auxiliary section 20 rises together.And now, due to the cylinder head 30 barrier effect to fixed part 10, fixed part 10 cannot be upwards Motion.So, along with the rising of pressure head 40, the weakness of (or between pressure head auxiliary section 20 and fixed part 10) on pressure head auxiliary section 20 Portion 22 can be by tear fracture.The weak point 22 of tear fracture can indicate that this liquid pump is previously opened.

Fig. 9 and 10 shows the 4th embodiment of liquid pump closing device 1 of the present utility model.Hereinafter will mainly describe The feature that two embodiments are exclusive, except as otherwise noted, the suitableeest above with respect to the first～the 3rd content described by embodiment For the 4th embodiment, it is not repeated.Similarly, on the premise of not producing contradiction, the 4th embodiment is retouched The feature stated is equally applicable to first～the 3rd in embodiment.

As it is shown in figure 9, the fixed part 10 of shown liquid pump closing device 1 is also the form in ring for fixing.Further, In the fourth embodiment, the inwall of fixed part 10 is formed with snap ring 12.Accordingly, this liquid pump closing device is being installed It is formed with stage portion 31 on the outer wall of the cylinder head 30 of the liquid pump of 1.This stage portion 31 matches with snap ring 12.So, at liquid When body pump closing device 1 is installed on liquid pump, the snap ring 12 of fixed part 10 and the mutual snap-fit of stage portion 31 in cylinder head 30.

Snap-fit between snap ring 12 and stage portion 31 makes fixed part 10 cannot move upward relative to cylinder head 30.

Claims

1. a liquid pump closing device, it is characterised in that described liquid pump closing device includes:

Fixed part, when described liquid pump closing device is arranged on liquid pump, described fixed part coordinates at described liquid pump In cylinder head, and the cooperation between described fixed part and described cylinder head stops described fixed part relative to described cylinder head upwards Motion and/or rotation, and

Pressure head auxiliary section, one end of described pressure head auxiliary section is connected on described fixed part, the other end of described pressure head auxiliary section For free end, and it is formed with insert, the shape of described insert and/or be sized to and described liquid pump head Oral area matches, and when described liquid pump closing device is arranged on described liquid pump, described insert inserts described oral area In.

2. liquid pump closing device as claimed in claim 1, it is characterised in that be provided with weakness on described pressure head auxiliary section Portion.

3. liquid pump closing device as claimed in claim 2, it is characterised in that described weak point is arranged on described pressure head and coordinates The position being connected with described fixed part in portion.

4. liquid pump closing device as claimed in claim 1, it is characterised in that at described fixed part with described cylinder head Prominent welding muscle it is provided with on the surface that outer wall is facing.

5. liquid pump closing device as claimed in claim 4, it is characterised in that described fixed part in the following manner in extremely On few a kind of described outer wall being fixed on described cylinder head: ultrasonic bonding, thermal weld and IR welding.

6. liquid pump closing device as claimed in claim 1, it is characterised in that set on the upper surface of described pressure head auxiliary section Being equipped with at least two projection, the distance between described at least two projection is configured to, when described liquid pump closing device is installed Time on described liquid pump, the projection being arranged on described pressure head bottom is accommodated between described at least two projection.

7. the liquid pump closing device as according to any one of claim 1～6, it is characterised in that described fixed part is banding, When described liquid pump closing device is arranged on liquid pump, the described fixed part of banding prolongs round the outer wall of described cylinder head Stretch and be fixed on described outer wall.

8. the liquid pump closing device as according to any one of claim 1～6, it is characterised in that described fixed part is in fixing The form of circle.

9. liquid pump closing device as claimed in claim 8, it is characterised in that the internal diameter of described ring for fixing is less than described cylinder The external diameter of lid, thus when described liquid pump closing device is installed on described liquid pump, described ring for fixing is sandwiched in described Between facing and the described cylinder head of liquid pump.

10. liquid pump closing device as claimed in claim 8, it is characterised in that be formed with card on the inwall of described ring for fixing Ring, when described liquid pump closing device is installed on described liquid pump, on the outer wall of described snap ring and described cylinder head Stage portion matches, and stops described ring for fixing to move upward relative to described cylinder head.

11. 1 kinds of liquid pumps, it is characterised in that described liquid pump includes the liquid as according to any one of claim 1～10 Pump closing device.