CN215213894U

CN215213894U - Novel antifouling pump head

Info

Publication number: CN215213894U
Application number: CN202121648450.3U
Authority: CN
Inventors: 孙秉忠; 陈文涛
Original assignee: Wuxi Sunmart Technology Co ltd
Current assignee: Wuxi Sunmart Technology Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-17
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a novel antifouling pump head relates to pump head technical field. The utility model discloses a snap, a cover body, plastic spring and seal cover, snap axle center department is fixed with fixed cover outside by interior in proper order, the position sleeve, outer cover and guide pin bushing, discharge gate on the snap and the space intercommunication between fixed cover and the outer cover, the seal cover is the U-shaped cover structure, the opening end of seal cover is fixed in fixed cover, seal cover week side is fixed with oblique edge, the main aspects on oblique edge is towards the snap, by being fixed with the pipe outside interior in proper order on the lid, constant head tank and interior cover, the internal wall of endotheca is fixed with a plurality of guide edges. The utility model discloses a set up the plastic spring and replace original metal spring, replace original ball through the seal cover, compare in original pump head, can possess the anticorrosive anti-pollution effect of efficient, simple structure simultaneously, occupation space is less, the production and the installation of being convenient for to save manufacturing cost.

Description

Novel antifouling pump head

Technical Field

The utility model belongs to the technical field of the pump head, especially, relate to a novel antifouling pump head.

Background

Set up the spring in present pump head and be used for the reseing of snap, play the effect of check valve through built-in ball simultaneously, however the condition of polluting the material can appear in spring and ball direct contact material to influence the service standard of material in the bottle, the condition of corruption can appear along with live time's extension to spring and ball simultaneously, thereby can influence the life and the result of use of pump head.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel antifouling pump head, through setting up the plastic spring and replacing original metal spring, replace original ball through the seal cover, compare in original pump head, can possess the anticorrosive anti-pollution effect of efficient, simple structure simultaneously, occupation space is less, is convenient for produce and install to save manufacturing cost.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a novel antifouling pump head, which comprises a snap fastener, a cover body, a plastic spring and a sealing sleeve;

a fixed sleeve, a positioning sleeve, an outer sleeve body and a guide sleeve are sequentially fixed on the axle center of the pressing head from inside to outside, and a discharge port on the pressing head is communicated with a space between the fixed sleeve and the outer sleeve body;

the sealing sleeve is of a U-shaped sleeve structure, the open end of the sealing sleeve is fixed in the fixed sleeve, an inclined edge is fixed on the peripheral side face of the sealing sleeve, and the large opening direction of the inclined edge faces the press head;

a guide pipe, a positioning groove and an inner sleeve body are sequentially fixed on the cover body from inside to outside, and a plurality of guide edges are fixed on the inner wall of the inner sleeve body;

the plastic spring comprises a corrugated part, an upper sleeve body and a lower sleeve body are respectively fixed at two ends of the corrugated part, a seal cover is fixed on the inner wall of the lower sleeve body through a plurality of support edges, an upper positioning edge and a lower positioning edge are respectively fixed on the upper sleeve body and the lower sleeve body, and a plurality of notches are formed in the lower positioning edge;

the upper sleeve body is arranged in the outer sleeve body, the outer side of the inclined edge is attached to the inner wall of the upper sleeve body, the lower positioning edge is positioned in the inner sleeve body and is in sliding connection with the inner sleeve body through the notch and the guide edge, the end part of the lower sleeve body is opposite to the positioning groove in position and is in clearance fit with the positioning groove in position, and the sealing cover is opposite to the end part of the catheter in position and is in clearance fit with the catheter in position.

Furthermore, an assembly opening is formed in the positioning sleeve, an assembly raised head is fixed at one end of the upper sleeve body, and the assembly raised head is located in the assembly opening and is in clearance fit with the assembly opening.

Furthermore, a guide cavity is arranged on the cover body, and the guide sleeve is located in the guide cavity and is in sliding connection with the guide cavity.

Furthermore, a lower limiting edge is fixed on the inner wall of the pressing head, an upper limiting edge is arranged on the outer side of the end part of the inner sleeve body, the lower limiting edge is attached to the outer wall of the inner sleeve body along the inner wall, and the upper limiting edge is attached to the inner wall of the guide sleeve along the outer wall.

Furthermore, the cross section of the inclined edge is of an inverted splayed structure, and the angle between the inclined edge and the side wall of the sealing sleeve is set in the range of 15-30 degrees.

Furthermore, the seal cover is of an inverted U-shaped cover structure, a protruding portion is arranged at the axis of the seal cover, and the protruding direction of the protruding portion is far away from the press head.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the plastic spring and replace original metal spring, replace original ball through the seal cover, compare in original pump head, can possess the anticorrosive anti-pollution effect of efficient, simple structure simultaneously, occupation space is less, the production and the installation of being convenient for to save manufacturing cost.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a novel anti-fouling pump head of the present invention;

FIG. 2 is a schematic structural view of a plastic spring;

FIG. 3 is a bottom view of the plastic spring structure;

in the drawings, the components represented by the respective reference numerals are listed below:

1-snap, 2-cover, 3-plastic spring, 4-sealing sleeve, 101-fixing sleeve, 102-positioning sleeve, 103-outer sleeve, 104-guide sleeve, 105-discharge port, 106-lower positioning edge, 201-guide pipe, 202-positioning groove, 203-inner sleeve, 204-guide edge, 205-guide cavity, 206-upper positioning edge, 301-corrugated part, 302-upper sleeve, 303-lower sleeve, 304-support edge, 305-sealing cover, 306-upper positioning edge, 307-lower positioning edge, 308-notch, 309-assembling convex head, 310-convex part and 401-oblique edge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to a novel anti-fouling pump head, which comprises a snap fastener 1, a cover body 2, a plastic spring 3 and a sealing sleeve 4;

a fixed sleeve 101, a positioning sleeve 102, an outer sleeve 103 and a guide sleeve 104 are sequentially fixed on the axle center of the snap 1 from inside to outside, and a discharge port 105 on the snap 1 is communicated with the space between the fixed sleeve 101 and the outer sleeve 103;

the sealing sleeve 4 is of a U-shaped sleeve structure, the open end of the sealing sleeve 4 is fixed in the fixing sleeve 101, the peripheral side surface of the sealing sleeve 4 is fixed with an inclined edge 401, and the large opening direction of the inclined edge 401 faces the thumb press 1;

a guide pipe 201, a positioning groove 202 and an inner sleeve body 203 are sequentially fixed on the cover body 2 from inside to outside, and a plurality of guide edges 204 are fixed on the inner wall of the inner sleeve body 203;

the plastic spring 3 comprises a corrugated part 301, an upper sleeve body 302 and a lower sleeve body 303 are respectively fixed at two ends of the corrugated part 301, a seal cover 305 is fixed on the inner wall of the lower sleeve body 303 through a plurality of support edges 304, an upper positioning edge 306 and a lower positioning edge 307 are respectively fixed on the upper sleeve body 302 and the lower sleeve body 303, and a plurality of notches 308 are formed in the lower positioning edge 307;

the upper sleeve body 302 is arranged in the outer sleeve body 103, the outer side of the inclined edge 401 is attached to the inner wall of the upper sleeve body 302, the lower positioning edge 307 is positioned in the inner sleeve body 203 and is in sliding connection with the inner sleeve body 203 through the notch 308 and the guide edge 204, the end part of the lower sleeve body 303 is opposite to and in clearance fit with the positioning groove 202, and the sealing cover 305 is opposite to and in clearance fit with the end part of the guide pipe 201.

As shown in fig. 1-3, the positioning sleeve 102 is provided with an assembling opening, an assembling protrusion 309 is fixed at one end of the upper sleeve body 302, and the assembling protrusion 309 is located in the assembling opening and is in clearance fit with the assembling opening.

As shown in fig. 1, a guide cavity 205 is disposed on the cover 2, and the guide sleeve 104 is located in the guide cavity 205 and slidably connected to the guide cavity 205.

As shown in fig. 1-3, a lower limit edge 106 is fixed on the inner wall of the snapper 1, an upper limit edge 206 is arranged on the outer side of the end portion of the inner sleeve 203, the inner wall of the lower limit edge 106 is attached to the outer wall of the inner sleeve 203, and the outer wall of the upper limit edge 206 is attached to the inner wall of the guide sleeve 104.

As shown in figure 1, the cross section of the inclined edge 401 is of an inverted splayed structure, and the angle between the inclined edge 401 and the side wall of the sealing sleeve 4 is set in the range of 15-30 degrees.

As shown in fig. 1-3, the cover 305 is an inverted U-shaped cover structure, a protrusion 310 is disposed at the axial center of the cover 305, and the protrusion direction of the protrusion 310 is far away from the snapper 1.

The utility model discloses a theory of operation does: pressing the thumb press 1, the thumb press 1 extrudes the sealing sleeve 4 and the plastic spring 3, the material in the space of the plastic spring 3 extrudes the inclined edge 401, the inclined edge 401 deforms and bends to the axle center of the sealing sleeve 4 to form a gap, the material is discharged out of the thumb press 1 through the gap and the discharge hole 105, the thumb press 1 is released, the thumb press 1 can be driven to reset through the elasticity of the plastic spring 3, meanwhile, the elastic force of the inclined edge 401 controls the inclined edge 401 to reset for plugging, and the function of a one-way valve is achieved, meanwhile, during the rebound process of the plastic spring 3, the plastic spring 3 is in a negative pressure state, the lower positioning edge 307 moves upwards along the guide edge 204, thereby disengaging the cap 305 from the conduit 201, placing the conduit 201 in communication with the plastic spring 3, the negative pressure in the plastic spring 3 can absorb the materials in the bottle body into the plastic spring 3, after the pressure in the plastic spring 3 is constant, the cap 305 seals off the catheter 201 with the spring force covering it to prepare for the next squeeze.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel antifouling pump head, includes snap (1) and lid (2), its characterized in that: the device also comprises a plastic spring (3) and a sealing sleeve (4);

a fixed sleeve (101), a positioning sleeve (102), an outer sleeve body (103) and a guide sleeve (104) are sequentially fixed at the axis of the snap head (1) from inside to outside, and a discharge hole (105) on the snap head (1) is communicated with the space between the fixed sleeve (101) and the outer sleeve body (103);

the pressing sleeve is characterized in that the sealing sleeve (4) is of a U-shaped sleeve structure, the open end of the sealing sleeve (4) is fixed in the fixing sleeve (101), an inclined edge (401) is fixed on the peripheral side face of the sealing sleeve (4), and the large opening direction of the inclined edge (401) faces the pressing head (1);

a guide pipe (201), a positioning groove (202) and an inner sleeve body (203) are sequentially fixed on the cover body (2) from inside to outside, and a plurality of guide edges (204) are fixed on the inner wall of the inner sleeve body (203);

the plastic spring (3) comprises a corrugated part (301), an upper sleeve body (302) and a lower sleeve body (303) are respectively fixed at two ends of the corrugated part (301), a sealing cover (305) is fixed on the inner wall of the lower sleeve body (303) through a plurality of support edges (304), an upper positioning edge (306) and a lower positioning edge (307) are respectively fixed on the upper sleeve body (302) and the lower sleeve body (303), and a plurality of notches (308) are formed in the lower positioning edge (307);

the utility model discloses a cover body, including the upper cover body (302), the upper cover body (302) sets up in the outer cover body (103), follow (401) outside and upper cover body (302) inner wall laminating to one side, down the location along (307) be located the inner cover body (203) and through breach (308) and direction along (204) and inner cover body (203) sliding connection, relative and clearance fit on the lower cover body (303) tip and constant head tank (202) position, relative and clearance fit on closing cap (305) and pipe (201) tip position.

2. A novel anti-fouling pump head according to claim 1, wherein the positioning sleeve (102) has an assembling opening, an assembling protrusion (309) is fixed at one end of the upper sleeve body (302), and the assembling protrusion (309) is located in the assembling opening and is in clearance fit with the assembling opening.

3. A novel anti-fouling pump head according to claim 1, wherein the cover body (2) is provided with a guide cavity (205), and the guide sleeve (104) is located in the guide cavity (205) and slidably connected with the guide cavity (205).

4. A novel antifouling pump head as claimed in claim 1, wherein a lower limit edge (106) is fixed to the inner wall of the thumb press (1), an upper limit edge (206) is provided on the outer side of the end of the inner sleeve (203), the inner wall of the lower limit edge (106) is attached to the outer wall of the inner sleeve (203), and the outer wall of the upper limit edge (206) is attached to the inner wall of the guide sleeve (104).

5. A novel anti-fouling pump head according to claim 1, wherein the cross-section of the beveled edge (401) is of an inverted-splayed configuration, the angle between the beveled edge (401) and the side wall of the sealing sleeve (4) being set in the range of 15-30 °.

6. A novel anti-fouling pump head according to claim 1, wherein the cover (305) is an inverted U-shaped cover structure, and a protrusion (310) is provided at the axial center of the cover (305), and the protrusion direction of the protrusion (310) is far away from the press head (1).