CN206087407U - Piston filling device - Google Patents

Abstract

The utility model discloses a piston filling device, including hopper, filling portion and top cap, the upper end of hopper is provided with the top cap, is provided with the piston in the top cap, and the piston includes piston rod and piston body, is provided with the annular on the piston body, and the cover has elastic sealing ring in the annular, the cross -section radius of elastic sealing ring's body equals the degree of depth of annular, the hopper is made by transparent material, and the inner wall of hopper is provided with a plurality of partition annular grooves, corresponds to be provided with corresponding scale on the outer wall of hopper, the wall portion diameter size unanimity of the inner wall diameter of the diameter size of piston when elastic sealing ring is in normal condition and top cap and the annular groove round of hopper. Through the annular groove that sets up even partition on the inner wall of hopper, correspond to set up corresponding scale on the outer wall of hopper, thereby meet the filling volume that what annular grooves measurements extruded through the measurement piston at the in -process that moves down then, solved and had the technical problem that the precision was measured when prior art carries out the filling to the dense magma body.

Description

A kind of piston type quantitative filling apparatus

Technical field

The utility model belongs to filling apparatus technical field, more particularly to a kind of piston type quantitative filling apparatus.

Background technology

At present, filling liquid is widely used in the every profession and trades such as food, medicine, daily use chemicals, grease in prior art, can be to difference High viscosity fluid carries out filling.However, when being that dense fluids carries out filling to high viscosity fluid, relying solely on dense fluids itself Limited mobility come carry out it is filling can not meet requirement, and this method operating efficiency is extremely low, be this and if using Although filling pump carry out it is filling can improve filling efficiency, filling pump high cost, use range compares limitation, and filling Pump once goes wrong and keeps in repair more difficult；In addition, being difficult to filling amount when carrying out filling to dense fluids in prior art Hold, and then cause filling accuracy not enough, it, due to the poor fluidity of dense fluids itself, is on the other hand filling that this aspect is The measurable device of device neither one itself can be measured to each filling amount.

Utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of filling dress of piston type quantitative Put.

For achieving the above object, the utility model adopts following technical proposals：

A kind of piston type quantitative filling apparatus, including hopper, filling portion and top cover；The hopper is placed in filling in back taper At the upper end open in portion, the inverted cone-shaped structure of the corresponding hopper is opened in corresponding taper at the upper end open in the filling portion Mouthful；The lower end of the hopper is provided with liquid outlet, inlet is provided with the upper end open in the filling portion, in the hopper Inlet relative engagement in liquid outlet and the filling portion；A total check valve is provided with the middle part of the filling portion；It is described The lower end in filling portion is provided with filling mouth, and a point check valve is additionally provided between the filling mouth and filling portion；The hopper it is upper End is provided with the top cover being matched therewith, and piston is provided with the top cover, and the piston includes piston rod and is connected to described The piston body of piston rod end, is provided with annular groove on the piston body, in the annular groove elastic sealing ring is cased with；The elasticity is close The section radius of the body of seal ring are equal to the depth of the annular groove；The hopper is made of clear material, the inwall of the hopper Multiple decile annular grooves are provided with, the annular groove of the differing heights on the inwall of the correspondence hopper is in the outer of the hopper Corresponding scale is provided with wall；Diameter dimension and the top of the piston when the elastic sealing ring is in normal condition The wall portion diameter dimension that the inner diameter of lid is enclosed with the annular groove one of the hopper is consistent；The piston in the hopper on Lower movement.

Preferably, the recessed depth capacity of the inwall of the relatively described hopper of the annular groove is equal to the elastic sealing ring Body section radius.

Preferably, the annular groove on the piston body has two circles, and the elastic sealing ring also has two circles to correspond to respectively to be enclosed within institute In stating two ring grooves, two planes that the two rings groove is located are parallel to each other, and the distance between described two rings groove is equal to institute State the distance between two adjacent rings annular groove in hopper.

Preferably, diameter of the diameter of the liquid outlet in the hopper less than the inlet in filling portion.

Preferably, the filling mouth has multiple, and the filling mouth is around the lower circumferential formula spread configuration in filling portion.

Preferably, total check valve is straight check valve, and described point of check valve is angle check valve.

The beneficial effects of the utility model are, by the annular groove that uniform decile is arranged on the inwall of hopper, correspondence The annular groove of differing heights arranges corresponding scale on the outer wall of hopper on the inwall of hopper, is existed by metering piston then How many annular grooves are run into during moving down so as to measure the filling amount for squeezing out.

Description of the drawings

Fig. 1 is the structure sectional view of the utility model piston type quantitative filling apparatus；

Fig. 2,3 be piston in the utility model piston type quantitative filling apparatus structural representation；

Fig. 4 is b close-up schematic views in Fig. 1.

Wherein：1. hopper, 11. liquid outlets, 12. annular grooves, 2. filling portion, 21. inlets, 3. top cover, 4. piston, 41. piston rods, 42. piston bodies, 43. annular grooves, 44. elastic sealing rings, 5. total check valve, 6. point check valve, 7. filling mouth.

Specific embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples.

As Figure 1-4, a kind of piston type quantitative filling apparatus, including hopper 1, filling portion 2 and top cover 3；Wherein hopper 1 It is placed at the upper end open in filling portion 2 in back taper, and the inverted cone-shaped structure of corresponding hopper 1 is at the upper end open in filling portion 2 Corresponding tapered opening；The lower end of hopper 1 is provided with liquid outlet 11, and inlet 21 is provided with the upper end open in filling portion 2, The relative engagement of inlet 21 in liquid outlet 11 wherein in hopper 1 and filling portion 2, and the diameter of the liquid outlet 11 in hopper 1 Less than the diameter of the inlet 21 in filling portion 2；The middle part in filling portion 2 is provided with a total check valve 5, and it is controllable from feed liquor Whether the dense fluids that mouth 21 is entered continue the dirty lower end for reaching filling portion 2；The lower end in filling portion 2 is provided with filling mouth 7, and Point check valve 6 is additionally provided between filling mouth 7 and filling portion 2；The upper end of hopper 1 is provided with the top cover 3 being matched therewith, and pushes up Piston 4 is provided with lid 3, piston 4 includes piston rod 41 and is connected to the piston body 42 of the end of piston rod 41, sets on piston body 42 Annular groove 43 is equipped with, elastic sealing ring 44 is cased with annular groove 43, the wherein section radius of the body of elastic sealing ring 44 are equal to annular groove 43 Depth；Hopper 1 is made of clear material, and the inwall of hopper 1 is provided with multiple decile annular grooves 12, correspondence hopper 1 The annular groove 12 of the differing heights on inwall is provided with corresponding scale on the outer wall of hopper 1；Annular groove 12 is relative to expect The recessed depth capacity of inwall of bucket 2 is equal to the section radius of the body of elastic sealing ring 44；And piston 4 is at elastic sealing ring 44 The wall portion diameter dimension that diameter dimension when normal condition is enclosed with the inner diameter of top cover 3 and the annular groove 12 1 of hopper 1 Unanimously, i.e., when piston 4 is located at 12 position of annular groove of hopper 1, when the elastic sealing ring 44 on piston 4 is in normal condition； When top cover 3 and hopper 1 are coordinated, piston 4 can be moved up and down in hopper 1；When piston 4 is moved down in hopper 1 During wall position, there is elastic deformation in the elastic sealing ring 44 on piston 4 because of the extruding by the inwall of hopper 1；When piston 4 after It is continuous when moving down so that elastic sealing ring 44 is located just in the annular groove 12 in hopper 1, the recovery bullet of elastic sealing ring 44 Property deformation, here, piston 4 represents the filling liquid for being pressed down against quantity per running into an annular groove 12 downwards, tire out successively The annular groove 12 that meter amount filling as needed makes piston 4 travel downward through corresponding number of times.

Preferably, the annular groove 43 on piston body 42 has two circles, and accordingly elastic sealing ring 44 also has two circles to correspond to set respectively In two ring grooves 43, two planes that two ring groove 43 is located are parallel to each other, and the distance between two ring grooves 43 are equal to material The distance between two adjacent rings annular groove 12 in bucket.

Preferably, filling mouth 7 has multiple, and around the lower circumferential formula spread configuration in filling portion 2.

Preferably, total check valve 5 is straight check valve, and point check valve 6 is angle check valve.

The piston type quantitative filling apparatus that the utility model is provided, its pouring process is as follows：

First, the piston type quantitative filling apparatus start is powered, by the filling mouth 7 of point controlling switch of check valve 6 all Close, total check valve 5 is closed, piston 4 is located in top cover 3.When dense fluids is added in hopper 1, device is started working, first Total check valve 5 is opened, and the piston 4 in top cover 3 starts to move from top to bottom and then promotes dense fluids to fill filling portion 2, Then opening each point of check valve 6 makes filling mouth 7 in opened condition, then piston 4 continue to move from top to bottom promote again it is thick It is filling that liquid makes it carry out from the extrusion of each filling mouth 7, in the process, when piston 4 moves down the inner wall position in hopper 1 When, there is elastic deformation because of the extruding by the inwall of hopper 1 in the elastic sealing ring 44 on piston 4；When piston 4 continues downwards When movement causes elastic sealing ring 44 to be located just in the annular groove 12 in hopper 1, elastic sealing ring 44 recovers elastic deformation, Here, piston 4 represents the filling liquid for being pressed down against quantity per running into an annular groove 12 downwards, add up according to need successively Filling amount is wanted to make piston 4 travel downward through the annular groove 12 of corresponding number of times, the differing heights on the inwall of correspondence hopper 1 Annular groove 12 also have corresponding scale to can be used to measure the filling amount being pressed down against on the outer wall of hopper 1.

The piston type quantitative filling apparatus that the utility model is provided, by the ring that uniform decile is arranged on the inwall of hopper Connected in star, the annular groove of differing heights arranges corresponding scale on the outer wall of hopper on the inwall of correspondence hopper, leads to then Cross metering piston and how many annular grooves are run into during moving down so as to measure the filling amount for squeezing out.

It is not new to this practicality although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work Within enclosing.

Claims (6)

1. a kind of piston type quantitative filling apparatus, is characterized in that, including hopper, filling portion and top cover；The hopper is in back taper It is placed at the upper end open in filling portion, the inverted cone-shaped structure of the corresponding hopper is in corresponding at the upper end open in the filling portion Tapered opening；The lower end of the hopper is provided with liquid outlet, and inlet, the material are provided with the upper end open in the filling portion Inlet relative engagement in liquid outlet in bucket and the filling portion；One is provided with the middle part of the filling portion always unidirectionally Valve；The lower end in the filling portion is provided with filling mouth, and a point check valve is additionally provided between the filling mouth and filling portion；The material The upper end of bucket is provided with the top cover being matched therewith, and piston is provided with the top cover, and the piston includes piston rod and connection Annular groove is provided with the piston body of the piston rod end, the piston body, in the annular groove elastic sealing ring is cased with；It is described The section radius of the body of elastic sealing ring are equal to the depth of the annular groove；The hopper is made of clear material, the hopper Inwall be provided with multiple decile annular grooves, the annular groove of the differing heights on the inwall of the correspondence hopper is in the material Corresponding scale is provided with the outer wall of bucket；The piston the elastic sealing ring be in normal condition when diameter dimension with The wall portion diameter dimension that the inner diameter of the top cover is enclosed with the annular groove one of the hopper is consistent；The piston is in the material Move up and down in bucket.

2. piston type quantitative filling apparatus as claimed in claim 1, is characterized in that, the relatively described hopper of the annular groove The recessed depth capacity of inwall is equal to the section radius of the body of the elastic sealing ring.

3. piston type quantitative filling apparatus as claimed in claim 1, is characterized in that, the annular groove on the piston body has two circles, The elastic sealing ring also has two circles to correspond to respectively to be enclosed within the two rings groove, and two planes that the two rings groove is located are mutual Parallel, the distance between described two rings groove is equal to the distance between two adjacent rings annular groove in the hopper.

4. the piston type quantitative filling apparatus as described in claim 1 or 2 or 3, is characterized in that, the liquid outlet in the hopper Diameter of the diameter less than the inlet in filling portion.

5. the piston type quantitative filling apparatus as described in claim 1 or 2 or 3, is characterized in that, the filling mouth has multiple, and Lower circumferential formula spread configuration of the filling mouth around filling portion.

6. the piston type quantitative filling apparatus as described in claim 1 or 2 or 3, is characterized in that, total check valve is through type Check valve, described point of check valve is angle check valve.