CN215847223U

CN215847223U - Suction head assembly of liquid suction pipe

Info

Publication number: CN215847223U
Application number: CN202122112539.4U
Authority: CN
Inventors: 曾宪献; 许可会; 赵宗红
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-18
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a liquid suction pipe suction head assembly which comprises a suction head and a suction head seat, wherein one end of the suction head is connected with a water suction pipe, the other end of the suction head is inserted below the liquid level, a first through hole for liquid flowing is formed in the suction head, and the first through hole is communicated with the water suction pipe; the suction head seat is used for being installed on a machine tool body, a second through hole which is parallel to the axial direction of the first through hole and is used for the suction head to penetrate through is formed in the suction head seat, and the suction head is movably installed in the second through hole so that the position of the suction head in the direction perpendicular to the liquid level can be adjusted. The suction head assembly of the liquid suction pipe disclosed by the utility model can adjust the position of the suction head according to the height of the liquid level, can liberate manpower when liquid with low liquid level is sucked, and has high liquid suction efficiency.

Description

Suction head assembly of liquid suction pipe

Technical Field

The utility model relates to the technical field of liquid suction, in particular to a suction head assembly of a liquid suction pipe.

Background

The machine tool needs to use various liquids such as cutting fluid, hydraulic oil and the like during working. When the machine tool has a liquid leakage phenomenon and needs to be maintained, the leaked liquid needs to be sucked clean. When the existing liquid suction pipe suction head sucks the accumulated liquid with a lower liquid level, the suction head is often manually held for suction, so that the liquid suction efficiency is low.

Therefore, it is desirable to provide a new pipette tip assembly that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a liquid pumping pipe suction head assembly, and aims to solve the technical problem that the liquid pumping efficiency of the existing liquid pumping pipe suction head is low when low-liquid-level accumulated liquid is sucked.

In order to achieve the above purpose, the suction tube and suction head assembly of the liquid suction tube provided by the utility model comprises a suction head and a suction head seat, wherein one end of the suction head is used for being connected with the water suction tube, the other end of the suction head is used for being inserted below the liquid level, a first through hole for liquid flowing is formed in the suction head, and the first through hole is communicated with the water suction tube; and a second through hole which is parallel to the axial direction of the first through hole and is used for the suction head to pass through is formed in the suction head seat, and the suction head is movably arranged in the second through hole so that the position of the suction head in the direction vertical to the liquid level can be adjusted.

Optionally, the suction head comprises an installation pipe and a connecting pipe, the installation pipe and the connecting pipe are in butt joint to form the first through hole, an external thread is arranged on the outer wall of the installation pipe, an internal thread meshed with the external thread is arranged on the inner wall of the second through hole, and the connecting pipe is connected with the water suction pipe.

Optionally, the connecting pipe outwards bulges and forms a butt joint platform, one side of the butt joint platform is abutted with the suction head seat, and the butt joint platform is located on one side of the connecting pipe close to the installation pipe.

Optionally, the abutting table comprises a first abutting portion and a second abutting portion, the second through hole comprises a counter bore section and a matching section, a step surface is formed between the first abutting portion and the second abutting portion, the step surface abuts against the suction head seat, the outer wall of the second abutting portion abuts against the inner wall of the counter bore section, and the matching section is used for being connected with the installation pipe.

Optionally, the connecting pipe is clamped with the water suction pipe, and an annular groove is formed in the outer wall of the connecting pipe.

Optionally, the suction head seat includes a first section and a second section, the second through hole is located in the first section, a receiving groove communicated with the second through hole is formed in the second section, and the liquid suction pipe suction head assembly further includes a filter, and the filter is received in the receiving groove.

Optionally, the diameter of the second section is greater than the diameter of the first section.

Optionally, the inner wall of the filter abuts against the outer wall of the container.

Optionally, a plurality of liquid passing openings are formed in the groove wall of the accommodating groove, and the openings of the liquid passing openings face towards the direction deviating from the first section.

Optionally, the tip is a rigid tip.

In the utility model, the suction head seat is arranged on the machine tool body, the relative position of the suction head and the suction head seat can be adjusted according to the height of the liquid level of accumulated liquid, when the accumulated liquid is more and the liquid level is higher, the suction head can be adjusted to enable the suction head to be far away from the bottom of the liquid level, and the flow rate of liquid during suction is improved; when the accumulated liquid is less and the liquid level is lower, the distance between the suction head and the bottom of the liquid level can be reduced, the liquid at the bottom can be pumped by the suction head, and air leakage is avoided. Meanwhile, the suction head is arranged on the suction head seat, so that the labor can be liberated, the liquid suction efficiency is improved, and the labor cost is saved.

Drawings

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

FIG. 1 is a schematic perspective disassembled view of an embodiment of the pipette tip assembly of the present invention;

FIG. 2 is a cross-sectional view of an embodiment of the pipette tip assembly of the present invention;

FIG. 3 is a schematic cross-sectional view of one embodiment of a suction head according to the present invention;

fig. 4 is a schematic cross-sectional view illustrating a suction head base according to an embodiment of the utility model.

Examples reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Suction head	210	Second through hole
110	First through hole	211	Counter bore section
				120	Mounting tube	212	Mating segment
130	Connecting pipe	220	First stage
				131	Annular groove	230	Second section
140	Butting table	240	Containing groove
				141	First contact part	241	Liquid through port
142	Second abutting part	300	Water suction pipe
				200	Suction head seat	400	Filter

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are 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 addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a suction head assembly of a liquid suction pipe.

Referring to fig. 1 and 2, the present invention provides a liquid suction pipe and suction head assembly, which comprises a suction head 100 and a suction head seat 200, wherein one end of the suction head 100 is used for connecting with a suction pipe 300, the other end is used for being inserted below the liquid level, a first through hole 110 for liquid to flow is formed in the suction head 100, and the first through hole 110 is communicated with the suction pipe 300; a second through hole 210 is formed in the pipette tip holder 200 in parallel with the axial direction of the first through hole 110 and through which the pipette tip 100 passes, and the pipette tip 100 is movably installed in the second through hole 210 so that the position of the pipette tip 100 in the direction perpendicular to the liquid surface is adjustable.

When liquid is required to be pumped, the liquid pumping suction head assembly is placed on a machine tool perpendicular to the liquid level of the accumulated liquid, and the distance between the suction head 100 and the bottom of the liquid level is adjusted according to the height of the liquid level until one end of the suction head 100 is placed below the liquid level. When the accumulated liquid is more and the liquid level is higher, the suction head 100 can be adjusted to be properly far away from the bottom of the liquid level, so that the suction speed during liquid suction is improved. And as the liquid level descends, the distance between the suction head 100 and the bottom of the liquid level can be reduced, and air leakage is avoided. Wherein the cleaner head 100 is detachably mounted in the second through-hole 210, such as by a screw connection, a snap connection, etc. The suction head 100 is also detachably connected with the suction pipe 300, so that the replacement of parts is convenient. The suction head base 200 may be mounted on a machine tool, or may stand on the machine tool without external force. Through setting up suction head seat 200, suction head 100 can keep relatively stable, when absorbing hydrops, especially the lower hydrops of liquid level, does not need the workman to hand the suction head and take out liquid, has liberated the manual work, has improved work efficiency, has practiced thrift the cost of labor.

In the present embodiment, the liquid suction pipe suction head assembly of the present invention is applied to a machine tool for sucking liquid on the machine tool, and in other embodiments, the liquid suction pipe suction head assembly can also be applied to other occasions requiring liquid suction.

Specifically, the suction head 100 includes a mounting pipe 120 and a connecting pipe 130, the mounting pipe 120 and the connecting pipe 130 are butted to form a first through hole 110, an outer wall of the mounting pipe 120 is provided with an external thread, an inner wall of the second through hole 210 is provided with an internal thread engaged with the external thread, and the connecting pipe 130 is connected to the suction pipe 300. Through the threaded connection between the mounting tube 120 and the second through hole 210, when the height of the suction head 100 needs to be adjusted, the suction head 100 is rotated to move axially in the second through hole, and the operation is convenient and fast. In other embodiments, the mounting tube 120 may be snap-fit with the second through-hole 210. For example, a clamping groove is formed on the outer wall of the installation tube 120, and accordingly, a plurality of teeth that are clamped with the clamping groove are formed on the inner wall of the second through hole 210, and the plurality of teeth are uniformly arranged along the axial direction of the second through hole 210. The position of the suction head 100 in the second through hole 210 can be adjusted by clamping the clamping grooves with the clamping teeth at different positions, so that the distance between the suction head 100 and the bottom of the liquid level can be adjusted.

Further, the connection pipe 130 protrudes outward to form an abutment stage 140, one side of the abutment stage 140 abuts against the tip holder 200, and the abutment stage 140 is located on the side of the connection pipe 130 close to the mounting pipe 120. The abutting table 140 is located between the mounting tube 120 and the connecting tube 130, has a diameter larger than those of the other two, and is abutted against the tip holder 200 and the suction tube 300 at two sides thereof, respectively. The abutting of the abutting table 140 and the suction head seat 200 can control the stroke of the suction head 100, and avoid the collision of the suction head 100 with the machine tool bed due to overlarge one-time stroke. The abutting of the abutting table 140 and the barrel 300 can ensure that the barrel 300 and the connecting pipe 130 have a sufficient fitting length and cannot fall off, and can avoid the difficulty in assembling and disassembling due to the excessively large fitting length of the two. In addition, the raised abutment platform 140 also improves the maneuverability of the device, and the worker can grasp the abutment platform 140 to control the movement of the cleaner head 100 when he or she needs to adjust the position of the cleaner head 100. In other embodiments, the outer wall of the abutment stage 140 may be provided with an anti-slip structure, such as a non-slip stripe formed on the outer wall of the abutment stage 140, or the surface roughness of the outer wall is improved, so as to further improve the operability of the device.

Furthermore, the abutting table 140 comprises a first abutting portion 141 and a second abutting portion 142, the second through hole 210 comprises a counter bore section 211 and a matching section 212, a step surface 143 is formed between the first abutting portion 141 and the second abutting portion 142, the step surface 143 abuts against the tip seat 200, the outer wall of the second abutting portion 142 abuts against the inner wall of the counter bore section 211, and the matching section 212 is used for being connected with the mounting tube 120. The first abutting portion 141 is adjacent to the connection pipe 130, and the second abutting portion 142 is adjacent to the mounting pipe 120. The diameter of the installation tube 120 is smaller than that of the second abutting part 142, and during installation, the outer wall of the second abutting part 142 abuts against the inner wall of the counter bore section 211, so that the installation tube 120 and the matching section 212 can be assembled more accurately, and radial displacement of the installation tube 120 in the second through hole 210 is avoided. Wherein the sum of the lengths of the mounting tube 120 and the second abutment 142 is greater than the length of the counterbore section 211. In this embodiment, the mounting tube 120 is threadedly connected to the mating segment 212, and in other embodiments, the mounting tube 120 may be snap-fit connected to the mating segment 212.

Referring to fig. 3, the connection pipe 130 is engaged with the suction pipe 300, and an annular groove 131 is formed on an outer wall of the connection pipe 130. In this embodiment, the connection pipe 130 directly abuts against the suction pipe 300, the outer wall of the connection pipe 130 abuts against the inner wall of the suction pipe 300 to prevent the liquid from leaking, and the first through hole 110 is communicated with the suction pipe 300. The plurality of annular grooves 131 reduce the contact area between the outer wall of the connecting pipe 130 and the inner wall of the suction pipe 300 by the plurality of annular grooves 131, thereby reducing the frictional resistance during the disassembly and assembly and facilitating the disassembly and assembly. The connection pipe 130 and the barrel 300 can be screwed, and a sealing member is added to increase the sealing performance of the device.

Referring to fig. 4, the pipette tip holder 200 includes a first section 220 and a second section 230, the second through hole 210 is located in the first section 220 and the second section 230, a receiving slot 240 is formed in the second section 230 and communicates with the second through hole 210, the pipette tip assembly further includes a filter 400, and the filter 400 is received in the receiving slot 240. Due to the presence of various impurities in the fluid, such as swarf, grit, and other solid particles. If the accumulated liquid is not filtered in advance, impurities in the accumulated liquid can cause blockage of the suction head 100 and the suction pipe 300, so that the maintenance frequency of the equipment is increased, and the maintenance and time cost are wasted. The receiving recess 240 is located on the side of the second through-hole 210 remote from the abutment 140 so that the filter 400 can filter out large solid contaminants from the liquid before it enters the cleaner head 100. The filter 400 may be a cartridge filter, a screen filter, a Y-filter, etc.

In a preferred embodiment, the diameter of the second section 240 is greater than the diameter of the first end 230. In the suction head of the existing liquid suction pipe, the bottom of the suction head is often not provided with a large end face, the suction head cannot stand stably automatically, and the suction head needs to be manually held during liquid suction, so that the liquid suction efficiency is low. The liquid suction pipe suction head assembly of the embodiment divides the suction head seat 200 into two sections with different diameters, the second section 240 has a larger diameter than the first end 230, the center of gravity of the whole device moves downwards and is not prone to toppling, so that the device can automatically stand without manual holding and installation on a machine tool, and labor and installation cost is saved. In addition, because the installation is not needed, the liquid suction pipe suction head assembly can be moved randomly according to the requirement, and the flexibility and the universality of the device are good.

Referring to fig. 4, the outer wall of the filter 400 abuts against the inner wall of the receiving groove 240. In this embodiment, the filter 400 is a stainless steel filter cartridge having an opening facing the cleaner head 100, one end of the cleaner head 100, which is intended to be inserted below the liquid level, extending into the cavity of the filter cartridge. The side wall and the bottom of the filter cylinder are provided with meshes which allow liquid to pass through and remove large solid impurities. Simultaneously, compare in other filters, the cartridge filter once can allow more liquid to pass through, and the speed of drawing liquid is faster, and work efficiency is higher. The outer diameter of the filter cartridge is slightly larger than the inner diameter of the receiving groove 240, and the wall of the filter cartridge is thin and can generate a certain elastic deformation, so that the filter cartridge can be directly clamped in the receiving groove 240, and the outer wall of the filter cartridge is abutted to the inner wall of the receiving groove 240. The filter cartridge is directly abutted to the receiving groove 240, so that impurities can be prevented from entering the suction head 100 through a gap between the filter cartridge and the receiving groove, and the reliability of the device is improved. In addition, since the installation device of the filter 400 is omitted, the total weight of the device is reduced, and the production cost is reduced. In other embodiments, the filter cartridge may be removably attached to the end of the pipette tip 100 that is intended to be inserted below the liquid surface, such as by a threaded connection, a snap-fit connection, or the like.

More thinly, a plurality of liquid passing openings 241 are opened on the groove wall of the accommodating groove 240, and the openings of the liquid passing openings 241 face the direction away from the first section 220. In general, in order to suck up the accumulated liquid in the machine tool as much as possible, the bottom of the suction head base 200 is often abutted against the machine tool body, the liquid can only enter the containing groove 240 through a small gap, a cavity is easily formed in the suction process, the flow passing through the cavity in a certain time is small, and the liquid suction efficiency is low. Therefore, the liquid passing opening 241 is formed on the wall of the containing groove 240, so that the liquid can flow into the containing groove 240 more smoothly, and the air leakage during liquid pumping can be avoided. Meanwhile, the liquid flow rate is increased by arranging the liquid through port 241, more liquid flows into the suction head 100 in a certain time, and the liquid extraction efficiency is improved.

In the machining process of the machine tool, sometimes certain vibration exists, and in severe cases, the suction pipe suction head assembly of the liquid suction pipe can be deformed, the suction head 100 is clamped in the suction head seat 200, the device is scrapped, the whole device needs to be replaced, the updating cost of the device is high, therefore, the suction head 100 is preferably a rigid suction head, the deformation resistance and the vibration resistance of the rigid suction head are better, the deformation cannot easily occur when the vibration is received, and the reliability is better.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A pipette tip assembly, comprising:

the suction head is characterized in that one end of the suction head is connected with the water suction pipe, the other end of the suction head is inserted below the liquid level, a first through hole for liquid to flow is formed in the suction head, and the first through hole is communicated with the water suction pipe;

and a second through hole which is parallel to the axial direction of the first through hole and is used for the suction head to pass through is formed in the suction head seat, and the suction head is movably arranged in the second through hole so that the position of the suction head in the direction vertical to the liquid level can be adjusted.

2. The extractor tube tip assembly of claim 1 wherein the tip includes a mounting tube and a connecting tube, wherein the mounting tube and the connecting tube are mated to form the first bore, wherein the mounting tube has an outer wall with external threads, wherein the second bore has an inner wall with internal threads that engage the external threads, and wherein the connecting tube is coupled to the barrel.

3. The extractor tube tip assembly of claim 2 wherein the connecting tube projects outwardly to form an abutment, one side of the abutment abutting the tip seat, and the abutment being located on a side of the connecting tube adjacent the mounting tube.

4. The extractor tube tip assembly of claim 3 wherein the abutment platform includes a first abutment and a second abutment, the second through hole includes a counter bore section and a mating section, a step surface is formed between the first abutment and the second abutment, the step surface abuts the tip seat, an outer wall of the second abutment abuts an inner wall of the counter bore section, and the mating section is configured to couple to the mounting tube.

5. The extractor suction head assembly of claim 2 wherein the connecting tube is snap-fitted to the barrel and the outer wall of the connecting tube defines an annular groove.

6. The pipette tip assembly of claim 1 wherein the tip seat includes a first section and a second section, the second through hole being located in the first section and the second section, the second section having a receptacle formed therein in communication with the second through hole, the pipette tip assembly further including a filter received in the receptacle.

7. The extractor nozzle assembly of claim 6 wherein the diameter of the second section is greater than the diameter of the first section.

8. The extractor tube tip assembly of claim 6 wherein an inner wall of the filter abuts an outer wall of the receiving tank.

9. The pipette tip assembly of claim 8 wherein the wall of the receiving channel defines a plurality of fluid passages, the openings of the plurality of fluid passages facing away from the first section.

10. The extractor tube tip assembly of any one of claims 1-9 wherein the tip is a rigid tip.