CN209795893U - Plunger type filling pump convenient to wash - Google Patents

Abstract

The utility model relates to a material quantitative filling technical field specifically relates to a plunger type filling pump is convenient for wash. A plunger filling pump convenient to wash, comprising a plunger rod and a pump body, wherein: the plunger rod is inserted into the first through hole, one end of the plunger rod is a first end, the first end is provided with a mounting hole, the plunger rod is provided with a shaft shoulder, the shaft shoulder is arranged on the first end, the shaft sleeve sealing ring, the transition sleeve and the guide sealing piece are sequentially sleeved on the first end, and the fastener is detachably and fixedly connected with the mounting hole. The utility model discloses an in inserting the pump body with the one end of plunger rod, axle sleeve sealing washer, transition cover and direction sealing member are established to the rethread at the other pot head of plunger rod, and rethread fastener fastening to in realizing quantitative filling, be convenient for dismantle the washing with this plunger type filling pump of being convenient for wash, in order to avoid causing the pollution to the material of its filling.

Description

Plunger type filling pump convenient to wash

Technical Field

The utility model relates to a material quantitative filling technical field specifically relates to a plunger type filling pump is convenient for wash.

Background

In the production of medicines, cosmetics, foods and the like, quantitative filling of materials with certain viscosity is often involved, and for example, in the production of medicines, gels, ointments and the like are often involved.

Filling pumps used in the existing market mostly adopt a double-sealing structure between a pump body and a plunger rod, namely an O-shaped sealing ring and a lip-shaped sealing ring. Because the lip-shaped sealing ring structure is provided with the groove ring and the framework groove, materials are easy to store and not easy to clean, and the filled materials are easy to be polluted.

SUMMERY OF THE UTILITY MODEL

In order to solve the difficult technical problem who dismantles the washing so that pollute its filling material of filling pump among the correlation technique, the embodiment of the utility model provides a be convenient for wash plunger type filling pump, its aim at avoids causing the pollution to the material of its filling in fact, and then avoids polluting the product of required production, improves production efficiency.

The utility model provides a plunger type filling pump is convenient for wash, including the plunger rod and the pump body, wherein: the plunger rod is inserted into the first through hole, one end of the plunger rod is a first end, the first end is provided with a mounting hole, the plunger rod is provided with a shaft shoulder, the shaft shoulder is arranged on the first end, the shaft sleeve sealing ring, the transition sleeve and the guide sealing piece are sequentially sleeved on the first end, and the fastener is detachably and fixedly connected with the mounting hole.

The plunger rod is inserted into the pump body, so that the plunger rod can move transversely and reciprocally relative to the pump body, and the quantitative filling purpose can be realized conveniently; through establish axle sleeve sealing washer, transition cover and direction sealing member at the first pot head of plunger rod, rethread fastener fastening to in realize good leakproofness, be convenient for dismantle it and wash, in order to avoid causing the pollution to this material of being convenient for wash plunger type filling pump filling.

Optionally, the shaft shoulder is sleeved with a first gasket, and the transition sleeve is sleeved with a second gasket.

The shaft shoulder and the transition sleeve are respectively provided with the first gasket and the second gasket, so that the sealing performance of the extending end of the plunger rod and a sealed cavity formed inside the pump body is improved.

Optionally, a first clamping groove is formed in the shaft shoulder, the first gasket is arranged in the first clamping groove, the outer diameter of the first gasket is not smaller than that of the shaft shoulder, a second clamping groove is formed in the transition sleeve, the second gasket is arranged in the second clamping groove, and the outer diameter of the second gasket is not smaller than that of the transition sleeve.

The first clamping groove and the second clamping groove are arranged, so that the first gasket and the second gasket are positioned conveniently, the first gasket is prevented from displacing after being sleeved on the shaft shoulder, and the second gasket is prevented from displacing after being sleeved on the transition sleeve; in addition, through the setting to first packing ring external diameter and second packing ring external diameter to ensure the leakproofness of the airtight appearance chamber that stretches into end and the pump body inside formation of plunger rod, prevent that the surface interval that the surface of shaft shoulder and/or transition cover and the pump body inside constitutes first through-hole is too big in order to avoid destroying the leakproofness.

Optionally, the outer diameter of the shaft shoulder, the outer diameter of the shaft sleeve sealing ring, the outer diameter of the transition sleeve and the outer diameter of the guide sealing piece are not larger than the aperture of the first through hole.

The shaft shoulder, the transition sleeve and the outer diameter of the guide sealing piece are arranged, so that the plunger rod is convenient to insert into the first through hole.

Optionally, a second through hole is formed in the guide sealing element, the first end penetrates through the second through hole, and the fastening piece is arranged on the guide sealing element and is connected with the mounting hole in a meshed mode.

In order to facilitate the guide sealing element to be sleeved on the plunger rod, the guide sealing element is provided with a second through hole, and the shaft sleeve sealing ring, the transition sleeve and the guide sealing element are fastened on the first end of the plunger rod conveniently through the arrangement of the fastening piece.

Optionally, a groove is formed in the guide sealing element, the fastening element is arranged in the groove, and the fastening element is inserted into the mounting hole.

Because the shaft sleeve sealing ring, the transition sleeve and the guide sealing element are sequentially sleeved on the plunger rod, in order to fit the shaft sleeve sealing ring, the transition sleeve and the guide sealing element, a groove needs to be formed in the guide sealing element, a fastening piece is arranged in the groove, and the fastening piece is screwed in the mounting hole so that the shaft sleeve sealing ring, the transition sleeve and the guide sealing element are fastened on the plunger rod.

Optionally, the groove is a trapezoidal groove; or the groove is a rectangular groove.

In order to facilitate the guide sealing element to be sleeved on the plunger rod, the guide sealing element, the transition sleeve and the shaft sleeve sealing ring are fixed when the fastener penetrates into the mounting hole to be matched with the mounting hole, and therefore the shape of the groove can be matched and arranged according to the shape of the fastener.

Optionally, the other end of the plunger rod is a second end, a bearing is clamped in the first through hole, and the bearing is sleeved at the second end of the plunger rod.

The bearing is clamped in the first through hole, and the second end of the plunger rod penetrates through the bearing, namely the bearing is sleeved on the second end, so that the sealing performance of the first end is not influenced when the plunger rod is inserted into the first through hole.

Optionally, one end of the pump body is provided with a fixed seat, and the other end of the pump body is provided with a quick coupler.

Through the setting to pump body both ends, be convenient for the pump body to link to each other with crank rotation mechanism, in addition, insert the plunger rod from the one end that the pump body was equipped with the fixing base, can be convenient for insert the plunger rod and the axle sleeve sealing washer, the transition cover and the direction sealing member that establish on it smoothly in the pump body after, locate the bearing card in the first through-hole.

Optionally, the mounting hole is an internal threaded hole.

The mounting holes are arranged so that the mounting holes are in threaded engagement with the fasteners to facilitate removal of the fasteners from the end of the plunger rod.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is the utility model provides a pair of be convenient for wash plunger type filling pump's schematic structure.

In the figure: 100. a plunger rod; 110. mounting holes; 120. a shaft shoulder; 121. a first gasket; 122. a first card slot; 130. a first end; 140. a second end; 200. a pump body; 210. a first through hole; 220. a fixed seat; 300. a shaft sleeve sealing ring; 400. a transition sleeve; 410. a second gasket; 420. a second card slot; 500. a guide seal; 510. a groove; 600. a fastener; 700. and a bearing.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Filling pumps used in the existing market mostly adopt a double-sealing structure between a pump body and a plunger rod, namely an O-shaped sealing ring and a lip-shaped sealing ring. Because the lip-shaped sealing ring structure is provided with the groove ring and the framework groove, materials are easy to store and not easy to clean, and the filled materials are easy to be polluted.

In order to solve the difficult technical problem who dismantles the washing so that pollute its filling material of filling pump among the correlation technique, the embodiment of the utility model provides a be convenient for wash plunger type filling pump, its aim at avoids causing the pollution to the material of its filling in fact, and then avoids polluting the product of required production, improves production efficiency. The structure for facilitating the cleaning of the plunger-type filling pump will be described below by way of example with reference to fig. 1.

The plunger type filling pump convenient to clean comprises a plunger rod 100 and a pump body 200, wherein a first through hole 210 is formed in the pump body 200, one end of the plunger rod 100 is a first end 130, the first end 130 is inserted into the first through hole 210, and furthermore, the plunger rod 100 can perform a transverse reciprocating motion relative to the pump body 200. In the actual design process, both plunger rod 100 and pump body 200 are made of stainless steel. The plunger type filling pump convenient to clean further comprises a shaft sleeve sealing ring 300, a transition sleeve 400, a guide sealing part 500 and a fastener 600, wherein a shaft shoulder 120 is arranged on the plunger rod 100, the shaft shoulder 120 is arranged at the first end 130 of the plunger rod 100, the shaft sleeve sealing ring 300, the transition sleeve 400 and the guide sealing part 500 are sequentially sleeved on the first end 130, and the fastener 600 is detachably and fixedly connected with the mounting hole 110.

Specifically, when the fastening member 600 is engaged and locked with the mounting hole 110, the sleeve gasket 300 is engaged with the shoulder 120, the transition sleeve 400 is engaged with the sleeve gasket 300, and the guide sealing member 500 is engaged with the transition sleeve 400. In this embodiment, the outer diameter of plunger rod 100 at the connection of sleeve sealing ring 300 and plunger rod 100 is larger than the outer diameter of plunger rod 100 at the connection of transition sleeve 400 and/or guide sealing member 500 and plunger rod 100, i.e. first end 130 of plunger rod 100 has a stepped shaft structure, so as to improve the sealing performance at the end of plunger rod 100.

Optionally, the sleeve sealing ring 300 and/or the guiding sealing element 500 are made of teflon, and the transition sleeve 400 is made of stainless steel.

In a specific implementation manner, the first washer 121 is sleeved on the shaft shoulder 120, and the second washer 410 is sleeved on the transition sleeve 400. In the actual design process, in order to prevent the first washer 121 and the second washer 410 from moving after being respectively sleeved on the shaft shoulder 120 and the transition sleeve 400, the shaft shoulder 120 is provided with a first clamping groove 122, the first washer 121 is arranged in the first clamping groove 122, the outer diameter of the first washer 121 is not smaller than the outer diameter of the shaft shoulder 120, the transition sleeve 400 is provided with a second clamping groove 420, the second washer 410 is arranged in the second clamping groove 420, and the outer diameter of the second washer 410 is not smaller than the outer diameter of the transition sleeve 400.

In order to facilitate the smooth insertion of the plunger rod 100 into the pump body 200 after the shaft sleeve sealing ring 300, the transition sleeve 400 and the guide sealing element 500 are sleeved on the plunger rod 100, the outer diameter of the shaft shoulder 120, the outer diameter of the shaft sleeve sealing ring 300, the outer diameter of the transition sleeve 400 and the outer diameter of the guide sealing element 500 are not larger than the aperture of the first through hole 210.

In the actual design process, the guide sealing member 500 is provided with a second through hole, the first end 130 of the plunger rod 100 passes through the second through hole, and the fastening member 600 is arranged on the guide sealing member 500 and is engaged with the mounting hole 110. Specifically, the guide seal 500 is provided with a groove 510, the fastener 600 is disposed in the groove 510, and the fastener 600 is inserted into the mounting hole 110. To facilitate engagement of the fastener 600 with the mounting hole 110, the mounting hole 110 is an internally threaded hole and the fastener 600 is externally threaded.

Optionally, the fastener 600 is a screw with a hex nut; alternatively, the fastener 600 is a bolt. In the present embodiment, the fastener 600 is made of a stainless steel material.

Optionally, the groove 510 is a trapezoidal groove; alternatively, the groove 510 is a rectangular groove. In the actual design process, the shape of the groove 510 is matched according to the shape of the fastener 600, which is not further limited in this application.

In order to facilitate the plunger rod 100 to perform a transverse movement relative to the pump body 200, a bearing 700 is sleeved on the plunger rod 100, the bearing 700 is adjacent to one end of the plunger rod 100 provided with external threads, the bearing 700 is clamped in the first through hole 210, the other end of the plunger rod 100 is a second end 140, and the bearing 700 is sleeved on the second end 140 of the plunger rod 100. In this embodiment, the bearing 700 is made of a composite self-lubricating material.

Generally, the second end 140 of the plunger rod 100 has a stepped shaft structure, that is, the second end 140 includes a large diameter end and a small diameter end, the small diameter end is connected to the large diameter end, the small diameter end is located at the end of the plunger rod 100, and the bearing 700 is sleeved on the large diameter end.

In the actual installation process, the sleeve sealing ring 300 and the transition sleeve 400 are sequentially sleeved on the first end 130 of the plunger rod 100, the first washer 121 is sleeved on the shaft shoulder 120, the second washer 410 is sleeved on the transition sleeve 400, the guide sealing element 500 is sleeved on the first end 130, the fastening element 600 is locked in the installation hole 110, so that the shaft shoulder 120, the sleeve sealing ring 300, the transition sleeve 400 and the guide sealing element 500 are sequentially attached together, then the bearing 700 is clamped in the pump body 200 and located at one end of the pump body 200, and finally the assembled plunger rod 100 integral member is pressed into the pump body 200 from the other end of the pump body 200, and the second end 140 of the plunger rod 100 extends into the pump body 200 and then passes through the bearing 700 to extend out from the inside of the pump body 200.

Similarly, in the actual disassembly process, the assembled integral component is taken out from the interior of the pump body 200, the bearing 700 is taken out from the interior of the pump body 200, the fastening member 600 is taken off from the plunger rod 100, the guide sealing member 500 is taken off, the second gasket 410 and the first gasket 121 are taken off in sequence, and finally the transition sleeve 400 and the sleeve sealing ring 300 are taken off from the plunger rod 100 in sequence.

In this embodiment, in order to facilitate the crank rotation mechanism to connect to the plunger rod 100, one end of the pump body 200 is provided with the fixing seat 220, the bearing 700 and the second end 140 of the plunger rod 100 are located at the same end of the pump body 200, the second end 140 of the plunger rod 100 is provided with an external thread, and the crank rotation mechanism is disposed on the fixing seat 220 and connected to the second end 140 of the plunger rod 100 to drive the plunger rod 100 to perform a traverse reciprocating motion along the pump body 200, thereby achieving quantitative filling of the material.

To facilitate securing the pump body 200, the other end of the pump body 200 is provided with a quick-fit joint.

In summary, the plunger rod is inserted into the pump body so that the plunger rod can move transversely and reciprocally relative to the pump body, and the quantitative filling purpose can be realized conveniently; through establish axle sleeve sealing washer, transition cover and direction sealing member at the first pot head of plunger rod, rethread fastener fastening to in realize good leakproofness, be convenient for dismantle it and wash, in order to avoid causing the pollution to this material of being convenient for wash plunger type filling pump filling.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (10)

1. The plunger type filling pump convenient to clean comprises a plunger rod and a pump body, and is characterized by further comprising a shaft sleeve sealing ring, a transition sleeve, a guide sealing piece and a fastening piece, wherein a first through hole is formed in the pump body, the plunger rod is inserted into the first through hole, one end of the plunger rod is a first end, a mounting hole is formed in the first end, a shaft shoulder is arranged on the plunger rod and is arranged at the first end, the shaft sleeve sealing ring, the transition sleeve and the guide sealing piece are sequentially sleeved on the first end, and the fastening piece is detachably fixedly connected with the mounting hole.

2. The plunger-type filling pump convenient to clean as recited in claim 1, wherein the shaft shoulder is sleeved with a first gasket, and the transition sleeve is sleeved with a second gasket.

3. The plunger-type filling pump convenient to clean as recited in claim 2, wherein a first notch is provided on the shaft shoulder, the first gasket is disposed in the first notch, and an outer diameter of the first gasket is not smaller than an outer diameter of the shaft shoulder, and a second notch is provided on the transition sleeve, the second gasket is disposed in the second notch, and an outer diameter of the second gasket is not smaller than an outer diameter of the transition sleeve.

4. A plunger-type filling pump facilitating cleaning as set forth in claim 2 wherein an outer diameter of said shoulder, an outer diameter of said sleeve seal, an outer diameter of said transition sleeve, and an outer diameter of said pilot seal are each no larger than a bore diameter of said first throughbore.

5. A plunger-type filling pump facilitating cleaning as set forth in claim 1, wherein the guide seal member is provided with a second through hole through which the first end passes, and the fastening member is provided on the guide seal member and engaged with the mounting hole.

6. The plunger-type filling pump of claim 5, wherein the guide seal is provided with a groove, the fastener is disposed in the groove, and the fastener is inserted into the mounting hole.

7. The plunger-type filling pump of claim 6, wherein said groove is a trapezoidal groove; or the groove is a rectangular groove.

8. The plunger-type filling pump convenient to clean as recited in claim 1, wherein the other end of the plunger rod is a second end, and a bearing is clamped in the first through hole and sleeved on the second end of the plunger rod.

9. Plunger-type filling pump convenient to wash as per claim 1, characterized in that the pump body is provided with a fixed seat at one end and a quick-fit joint at the other end.

10. The plunger-type filling pump of claim 1, wherein the mounting hole is an internally threaded hole.