CN213205900U

CN213205900U - Filling pump with easily-detachable piston

Info

Publication number: CN213205900U
Application number: CN202022083708.1U
Authority: CN
Inventors: 林锐文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-14
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a filling pump of easy dismouting of piston, includes the pump body and fills the unit, and the pump body has the filling chamber of horizontal extension, fills the unit slidable and installs on filling the chamber of filling the pump, its characterized in that: fill the unit and include the sliding sleeve, the piston rod, adjustable piston and adjusting nut, the sliding sleeve left end is equipped with right centre gripping step, the piston rod left end is equipped with left centre gripping step, the right-hand member be equipped with can with adjusting nut complex screw thread, the right-hand member of piston rod passes adjustable piston, the sliding sleeve in proper order to stretch out from the right-hand member export of sliding sleeve, adjusting nut installs on the screw thread of piston rod right-hand member and adjusting nut supports the export of sliding sleeve right-hand member, left centre gripping step and right centre gripping step clip adjustable piston. Compared with the prior art, the utility model has the advantages that the structure of the filling pump is improved, so that the piston is easy to be detached and installed from the pump body, thereby effectively improving the working efficiency and prolonging the service life of the filling pump; the flushing cavity is arranged, so that the filling cavity is more convenient to flush.

Description

Filling pump with easily-detachable piston

Technical Field

The utility model relates to a thick liquid fill equipment, especially relate to a piston can be swiftly, conveniently dismantle, the pump that fills of installation.

Background

The filling pump is a very important component in a food filling and filling apparatus, and determines the accuracy of filling. When viscous liquid carries out the filling, remaining trace viscous liquid adheres to on pump body inside wall and piston easily after the filling, leads to filling pump inside to breed the mould easily, produces the peculiar smell. Therefore, after working for a period of time, the worker needs to disassemble and flush the filling pump. To flush the fill pump, the operator needs to remove the piston from the pump body. However, due to the close fit between the piston and the inner side wall of the pump body, it is difficult for the worker to detach the piston from the pump body, and thus the worker needs to spend a lot of time to detach and install the piston. In addition, the piston is easy to damage when the structure is adopted for disassembly and assembly, so that the matching precision between the piston and the pump body is influenced, and the service life of the filling pump is greatly influenced. In addition, the piston is worn after long-term use, so that liquid leakage is caused, and great waste is caused.

Disclosure of Invention

The utility model aims at providing a filling pump of easy dismouting of piston, the filling pump of the easy dismouting of this kind of piston improves through the structure to filling the pump for the piston is easily dismantled, is installed, effectively improves work efficiency, prolongs the life of filling the pump. The technical scheme is as follows:

the utility model provides a filling pump of easy dismouting of piston, includes the pump body and fills the unit, and the pump body has the filling chamber of horizontal extension, fills the unit slidable and installs in the filling chamber of filling pump, its characterized in that: fill the unit and include sliding sleeve, piston rod, adjustable piston and adjusting nut, the sliding sleeve left end is equipped with right centre gripping step, the piston rod left end is equipped with left centre gripping step, the piston rod right-hand member be equipped with can with adjusting nut complex screw thread, the right-hand member of piston rod passes adjustable piston, sliding sleeve in proper order to stretch out from the right-hand member export of sliding sleeve, adjusting nut installs on the screw thread of piston rod right-hand member and adjusting nut supports the export of sliding sleeve right-hand member, adjustable piston is cliied to left centre gripping step and right centre gripping step. When adjusting nut screws up, the piston rod moves right for the sliding sleeve to press from both sides tight adjustable piston, make the diameter of adjustable piston enlarge, and then make adjustable piston and fill the inside wall in chamber and paste each other tightly.

According to a preferred scheme, two sides of the adjustable piston are respectively provided with an extrusion positioning groove. Left centre gripping step and right centre gripping step are located two extrusion constant head tanks respectively, can be convenient for carry out extrusion deformation to the adjustable piston like this.

More preferably, the peripheral face of the adjustable piston is provided with a variable groove, so that the cross section of the adjustable piston is in an X shape. Above-mentioned structure can improve the deformation volume of adjustable piston for the global laminating that can fill the chamber of adjustable piston can be inseparabler with the inside wall in chamber.

More preferably, the adjustable piston is provided with at least one first oil seal groove along the circumferential direction, and oil seals are respectively arranged in all the first oil seal grooves. The structure can effectively improve the sealing performance between the adjustable piston and the inner side wall of the filling cavity.

Preferably, the pump body comprises a shell and an end cover, the end cover is installed on the shell, and a filling cavity is formed between the end cover and the shell. The pump body is assembled, so that workers can install and disassemble the filling pump more conveniently, and the working efficiency is greatly improved.

More preferably, the end cover is provided with at least one second oil seal groove along the circumferential direction, and oil seals are arranged in all the second oil seal grooves. The structure can greatly improve the sealing performance of the filling cavity.

More preferred scheme still is equipped with in the pump body that is located and fills the chamber rear and washes the chamber, and the top medial surface that washes the chamber is opened there is the inlet opening, and it has the apopore to wash to open on the bottom medial surface in chamber, the inlet opening sets up with the apopore relatively, washes the chamber and fills the chamber and communicates each other, and inlet opening, apopore communicate each other with washing the chamber respectively. This makes flushing of the filling cavity more convenient.

Preferably, the filling pump further comprises a stainless steel rotary valve, and the stainless steel rotary valve is installed on the opening at the left end of the filling cavity.

Compared with the prior art, the utility model has the advantages that the structure of the filling pump is improved, so that the piston is easy to be detached and installed from the pump body, thereby effectively improving the working efficiency and prolonging the service life of the filling pump; the flushing cavity is arranged, so that the filling cavity is more convenient to flush; because the first oil seal groove is formed in the adjustable piston and the second oil seal groove is formed in the end cover, the sealing performance of the filling pump can be effectively improved; when the adjustable piston is slightly worn, the adjustable piston can be extruded to recover the use precision, and the service life of the piston is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

Detailed Description

As shown in fig. 1, a filling pump of piston easy dismouting, including the pump body 1 and fill unit 2, the pump body 1 has the chamber 101 that fills that transversely extends, fill unit 2 slidable and install in filling chamber 101 that fills the pump, fill unit 2 and include sliding sleeve 201, piston rod 202, adjustable piston 203 and adjusting nut 204, sliding sleeve 201 left end is equipped with right centre gripping step 2011, piston rod 202 left end is equipped with left centre gripping step 2021, piston rod 202 right-hand member is equipped with can with adjusting nut 204 complex screw thread, adjustable piston 203, sliding sleeve 201 are passed in proper order to the right-hand member of piston rod 202 to stretch out from the right-hand member export of sliding sleeve 201, adjusting nut 204 installs on the screw thread of piston rod 202 right-hand member and adjusting nut 204 supports sliding sleeve 201 right-hand member export, adjustable piston 203 is cliied to left centre gripping step 2021 and right centre gripping. When the adjusting nut 204 is tightened, the piston rod 202 moves rightward relative to the sliding sleeve 201, so as to clamp the adjustable piston, so as to pressurize the adjustable piston 203, so that the diameter of the adjustable piston 203 is enlarged, and the adjustable piston 203 and the inner side wall of the filling cavity 101 are tightly attached to each other.

The cross section of the right clamping step 2011 is isosceles trapezoid, and the cross section of the left clamping step 2021 is isosceles trapezoid. By adopting the structure, the adjustable piston 203 can be better extruded, and the diameter of the adjustable piston 203 is forced to be increased.

And extrusion positioning grooves 2031 are respectively arranged at two sides of the adjustable piston 203. Left centre gripping step 2021 and right centre gripping step 2011 are located two extrusion constant head tank 2031 respectively, can be convenient for carry out extrusion deformation to adjustable piston 203 like this.

The adjustable piston 203 is provided with a variable groove 2032 on the circumferential surface thereof, so that the cross section of the adjustable piston 203 is shaped like an 'X'. The above structure can improve the deformation amount of the adjustable piston 203, so that the circumferential surface of the adjustable piston 203 can be attached to the inner side wall of the filling cavity 101 more tightly.

The adjustable piston 203 is provided with two first oil seal grooves 2033 along the circumferential direction, and oil seals 205 are respectively installed in the two first oil seal grooves 2033. This structure can effectively improve the leakproofness between adjustable piston 203 and the inside wall of filling chamber 101.

The pump body 1 comprises a housing 102 and a cover 103, wherein the cover 103 is mounted on the housing 102, and a filling cavity 101 is formed between the cover 103 and the housing 102. The pump body 1 is assembled, so that workers can install and disassemble the filling pump more conveniently, and the working efficiency is greatly improved.

The end cover 103 is provided with two second oil seal grooves 1031 along the circumferential direction, and oil seals 205 are respectively installed in the two second oil seal grooves 1031. This structure can greatly improve the sealing property of the filling chamber 101.

A washing cavity 104 is further arranged in the pump body 1 behind the filling cavity 101, a water inlet 105 is formed in the inner side surface of the top of the washing cavity 104, a water outlet 106 is formed in the inner side surface of the bottom of the washing cavity 104, the water inlet 105 and the water outlet 106 are arranged oppositely, the washing cavity 104 is communicated with the filling cavity 101, and the water inlet 105 and the water outlet 106 are communicated with the washing cavity 104 respectively. This makes flushing of the filling chamber 101 easier.

The filling pump further comprises a stainless steel rotary valve 3, and the stainless steel rotary valve 3 is installed on the opening at the left end of the filling cavity 101.

The following operation is described with reference to fig. 1:

when the filling pump sucks the viscous liquid, the stainless steel rotary valve 3 rotates until the feeding hole is communicated with the filling cavity 101, the filling unit 2 moves backwards, and the viscous liquid is pumped into the filling cavity 101 through the feeding hole; when the filling pump fills the viscous liquid, the stainless steel rotary valve 3 rotates until the discharge port is communicated with the filling cavity 101, the filling unit 2 moves forwards to push the viscous liquid out through the discharge port, and filling is carried out; when the filling pump is cleaned, the adjusting nut 204 is detached from the piston rod 202, so that the left clamping step 2021 and the right clamping step 2011 are loosened from the adjustable piston 203, at the moment, the diameter of the adjustable piston 203 is reduced, and a worker can easily detach several components of the filling unit 2 from the pump body 102 respectively to clean the components respectively; an external water source enters the washing cavity 104 through the water inlet hole 105 to quickly wash the filling cavity 101, and then the washed sewage is discharged through the water outlet hole 106.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a filling pump of easy dismouting of piston, includes the pump body and fills the unit, and the pump body has the filling chamber of horizontal extension, fills the unit slidable and installs in the filling chamber of filling pump, its characterized in that: fill the unit and include sliding sleeve, piston rod, adjustable piston and adjusting nut, the sliding sleeve left end is equipped with right centre gripping step, the piston rod left end is equipped with left centre gripping step, the piston rod right-hand member be equipped with can with adjusting nut complex screw thread, the right-hand member of piston rod passes adjustable piston, sliding sleeve in proper order to stretch out from the right-hand member export of sliding sleeve, adjusting nut installs on the screw thread of piston rod right-hand member and adjusting nut supports the export of sliding sleeve right-hand member, adjustable piston is cliied to left centre gripping step and right centre gripping step.

2. The filling pump of claim 1, wherein: and extrusion positioning grooves are respectively arranged on two sides of the adjustable piston.

3. The filling pump of claim 2, wherein: the peripheral face of the adjustable piston is provided with a variable groove, so that the cross section of the adjustable piston is in an X shape.

4. The filling pump of claim 3, wherein: the adjustable piston is provided with at least one first oil seal groove along the circumferential direction, and oil seals are respectively arranged in all the first oil seal grooves.

5. The filling pump of claim 1, wherein: the pump body comprises a shell and an end cover, the end cover is installed on the shell, and a filling cavity is formed between the end cover and the shell.

6. The filling pump of claim 5, wherein: the end cover is provided with at least one second oil seal groove along the circumferential direction, and oil seals are respectively arranged in all the second oil seal grooves.

7. The filling pump of claim 6, wherein: still be equipped with in the pump body that is located and fills the chamber rear and wash the chamber, the top medial surface that washes the chamber is opened there is the inlet opening, and it has the apopore to wash to open on the bottom medial surface in chamber, the inlet opening sets up with the apopore relatively, washes the chamber and fills the chamber and communicates each other, inlet opening, apopore respectively with wash the chamber and communicate each other.

8. The filling pump of claim 1, wherein: the filling pump also comprises a stainless steel rotary valve, and the stainless steel rotary valve is arranged on the opening at the left end of the filling cavity.