CN210581530U - Cleaning brush for chemistry experiments - Google Patents

Abstract

The utility model discloses a cleaning brush for chemistry experiments, including the back pipe fitting, the one end of back pipe fitting can be dismantled and be connected with preceding pipe fitting, the inside swing joint of back pipe fitting has interior push rod, the one end fixedly connected with push rod end of interior push rod, the other end fixedly connected with barocock, the one end swing joint that the back pipe fitting was kept away from to preceding pipe fitting has the switch separation blade, the one end of switch separation blade has seted up the cavity, and the internally mounted of cavity has interior calorie of axle and torsional spring, the both ends of interior calorie of axle are connected with the inner wall of front pipe fitting, the torsional spring cup joints in the outside of interior calorie of axle, and the one end of torsional spring is connected with the interior calorie of axle, the other end is connected with the switch separation blade; through setting up the ejector sleeve formula cleaning brush, can pour the washing liquid into to ejector sleeve inside, when wasing, only need promote inside push rod and extrude inside washing liquid to the cotton overhead of washing, can wash very conveniently.

Description

Cleaning brush for chemistry experiments

Technical Field

The utility model belongs to the technical field of the chemistry experiment, concretely relates to cleaning brush for chemistry experiments.

Background

In a chemical laboratory, after a chemical experiment is carried out, stains and chemical reagents generally remain on a laboratory table, and need to be cleaned by means of a cleaning brush, and chemical instruments in different shapes such as test tubes, beakers, conical flasks and the like also need to be cleaned after being used;

however, in the conventional cleaning brush, cleaning solution needs to be poured into the container before cleaning, the cleaning solution is continuously dipped while being brushed, and once too much cleaning solution is poured, the cleaning solution cannot be returned, so that waste is caused; and the cleaning brush is inconvenient to move together with a container containing cleaning solution, so that the labor intensity of a cleaner is increased, and therefore the cleaning brush for the chemical experiment is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cleaning brush for chemistry experiments to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cleaning brush for chemistry experiments comprises a rear pipe fitting, wherein one end of the rear pipe fitting is detachably connected with a front pipe fitting, the inner part of the rear pipe fitting is movably connected with an inner push rod, one end of the inner push rod is fixedly connected with a push rod end, the other end of the inner push rod is fixedly connected with a pressure plug, one end of the front pipe fitting, which is far away from the rear pipe fitting, is movably connected with a switch catch, one end of the switch catch is provided with a cavity, an inner clamping shaft and a torsion spring are arranged inside the cavity, two ends of the inner clamping shaft are connected with the inner wall of the front pipe fitting, the torsion spring is sleeved outside the inner clamping shaft, one end of the torsion spring is connected with the inner clamping shaft, the other end of the torsion spring is connected with the switch catch, the inner wall of the front pipe fitting corresponds to a position of the end part of the switch catch, a cleaning cotton block is, the cleaning cotton block is characterized in that a bolt connection sleeve is embedded in one end, close to the front pipe fitting, of the cleaning cotton block, an external thread is formed in the position, corresponding to the bolt connection sleeve, of the outer wall of the front pipe fitting, an internal thread is formed in one end, close to the rear pipe fitting, of the front pipe fitting and fixedly connected with an internal connection solenoid, and an internal thread is formed in the inner wall, close to the front pipe fitting, of one end.

Preferably, the symmetrical limiting grooves are formed in the outer side of the rear pipe fitting, the anti-protection sleeve is filled in the limiting grooves, and the anti-protection sleeve and the rear pipe fitting are fixed through strong glue in a bonding mode.

Preferably, the end of the front pipe fitting, which is provided with the switch blocking piece, is positioned in the washing liquid injection cavity after the front pipe fitting is completely screwed with the screwing sleeve, and a gap exists between the switch blocking piece and the inner wall of the washing cotton block.

Preferably, the switch separation blade and the torsion spring are in a natural state after the front pipe fitting is completely closed, and one end, away from the inner clamping shaft, of the switch separation blade is matched with the limiting block.

Preferably, the inscription screwed pipe and preceding pipe fitting integrated into one piece, preceding pipe fitting and back pipe fitting stretch into the inside of back pipe fitting through the inscription screwed pipe and carry out the spiro union with preceding pipe fitting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the ejector sleeve formula cleaning brush, can pour the washing liquid into to ejector sleeve inside, when wasing, only need promote inside push rod and extrude inside washing liquid to the cotton overhead of washing, can wash, it is very convenient.

2. The utility model discloses in, through setting up the division light separation blade by torsional spring coupling in push tube bottom, can be so that the cleaning brush not time spent and push tube closure form sealedly for remaining washing liquid is preserved in the push tube, so that next time use can not cause the waste.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic view of the switch catch mounting structure of the present invention;

fig. 3 is the schematic view of the pipe assembly structure of the present invention.

In the figure: 1. the end of the push rod; 2. a rear pipe fitting; 3. a protective sheathing member; 4. an inner push rod; 5. a front pipe fitting; 6. a limiting block; 7. cleaning the cotton block; 8. a threaded connection kit; 9. a gas pressure plug; 10. an inner clamping shaft; 11. a torsion spring; 12. a switch catch; 13. a washing liquid injection chamber; 14. the spiral pipe is internally connected.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a cleaning brush for chemical experiments comprises a rear pipe fitting 2, one end of the rear pipe fitting 2 is detachably connected with a front pipe fitting 5, the interior of the rear pipe fitting 2 is movably connected with an inner push rod 4, one end of the inner push rod 4 is fixedly connected with a push rod end 1, the other end of the inner push rod is fixedly connected with a pneumatic plug 9, one end of the front pipe fitting 5, which is far away from the rear pipe fitting 2, is movably connected with a switch catch 12, one end of the switch catch 12 is provided with a cavity, an inner clamping shaft 10 and a torsion spring 11 are arranged in the cavity, two ends of the inner clamping shaft 10 are connected with the inner wall of the front pipe fitting 5, the torsion spring 11 is sleeved outside the inner clamping shaft 10, one end of the torsion spring 11 is connected with the inner clamping shaft 10, the other end of the torsion spring is connected with the switch catch 12, a limiting block 6 is fixedly connected at a position, which corresponds to the end part of the switch catch 12, the, promote push rod end 1 and make the inside of pneumatic plug 9 pipe fitting 5 in the front remove to the one end at switch separation blade 12 place, at this moment because pressure acts on, switch separation blade 12 atress can be rotatory along interior calorie of axle 10, and torsional spring 11 is in the distortion state, the inside washing liquid of pipe fitting 5 in the front can be extruded and get into inside washing liquid injection chamber 13, wash cotton piece 7 until infiltrating, the back is extruded to the washing liquid, switch separation blade 12 can be automatic under torsional action of torsional spring 11 and be close to towards pipe fitting 5 is rotatory before, the one end and the stopper 6 of pipe fitting 5 in the front laminate completely, switch separation blade 12 and pipe fitting 5 are sealed promptly, make the inside washing liquid of pipe fitting 5 in the front can not continue to discharge, stopper 6 plays limiting displacement.

Wherein, the one end fixedly connected with inscription screwed pipe 14 that preceding pipe fitting 5 is close to back pipe fitting 2, and the one end inner wall that back pipe fitting 2 is close to preceding pipe fitting 5 is seted up there is the internal thread, makes back pipe fitting 2 rotatory break away from preceding pipe fitting 5 earlier, at this moment pours into the washing liquid into to the inside of preceding pipe fitting 5, then rotatory back pipe fitting 2 passes through inscription screwed pipe 14 and preceding pipe fitting 5 spiro union.

Wherein, the spacing groove of symmetry is seted up in the outside of back pipe fitting 2, and the inside packing of spacing groove has protective sleeve spare 3, and protective sleeve spare 3 is fixed through the bonding of glue by force with back pipe fitting 2, and the spacing groove conveniently takes back pipe fitting 2, and protective sleeve spare 3 plays the guard action.

Wherein, wash cotton piece 7's one end that is close to preceding pipe fitting 5 inside inlays and is equipped with spiro union external member 8, and the position department that the outer wall of preceding pipe fitting 5 corresponds spiro union external member 8 has seted up the external screw thread, and preceding pipe fitting 5 has the one end of switch separation blade 12 to be in inside washing liquid injection chamber 13 after 8 complete spiro unions of spiro union external member, and switch separation blade 12 has the clearance apart from the inner wall that washs cotton piece 7.

Wherein, the torsion spring 11 is in a natural state after the switch catch 12 and the front pipe fitting 5 are completely closed, and one end of the switch catch 12 far away from the inner clamping shaft 10 is matched with the limiting block 6.

The internal connecting solenoid 14 and the front pipe fitting 5 are integrally formed, and the front pipe fitting 5 and the rear pipe fitting 2 extend into the rear pipe fitting 2 through the internal connecting solenoid 14 to be screwed with the front pipe fitting 5.

The utility model discloses a theory of operation and use flow: firstly, the rear pipe fitting 2 is rotated to be separated from the front pipe fitting 5, then, washing liquid is injected into the front pipe fitting 5, then, the rear pipe fitting 2 is rotated to be in threaded connection with the front pipe fitting 5 through the internally-connected spiral pipe 14, then, the push rod end 1 is pushed to enable the air pressure plug 9 to move towards one end where the switch blocking piece 12 is located in the front pipe fitting 5, at this time, due to the pressure effect, the switch blocking piece 12 rotates along the internally-clamped shaft 10 under the stress force, the torsion spring 11 is in a twisting state, the washing liquid in the front pipe fitting 5 can be extruded into the washing liquid injection cavity 13 until the washing liquid soaks the cotton block 7, after the washing liquid is extruded, the switch blocking piece 12 automatically rotates towards the front pipe fitting 5 to be close to the front pipe fitting 5 under the torsion effect of the torsion spring 11 until one end of the front pipe fitting 5 is completely attached to the limiting block 6, namely, the switch, at this moment can be so that the outward appearance contact laboratory bench or the chemistry experiment instrument that wash cotton piece 7 wash can, in the washing process, in case wash cotton 7 inside washing liquid exhausts, can promote push rod end 1 once more and extrude the inside washing liquid of preceding pipe fitting 5, the limit is washd the limit and is extruded, and is very convenient, and the spacing groove conveniently takes back pipe fitting 2, and lag spare 3 plays the guard action.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a cleaning brush for chemistry experiments, includes back pipe fitting (2), its characterized in that: one end of the rear pipe fitting (2) is detachably connected with a front pipe fitting (5), the inner movable connection of the rear pipe fitting (2) is provided with an inner push rod (4), one end of the inner push rod (4) is fixedly connected with a push rod end (1), the other end of the inner push rod is fixedly connected with a pressure plug (9), one end of the front pipe fitting (5) far away from the rear pipe fitting (2) is movably connected with a switch catch (12), one end of the switch catch (12) is provided with a cavity, an inner clamping shaft (10) and a torsion spring (11) are arranged inside the cavity, two ends of the inner clamping shaft (10) are connected with the inner wall of the front pipe fitting (5), the torsion spring (11) is sleeved outside the inner clamping shaft (10), one end of the torsion spring (11) is connected with the inner clamping shaft (10), the other end of the torsion spring is connected with the switch catch (12), the inner wall of the front pipe fitting (5) is fixedly connected with a, the washing cotton piece (7) has been cup jointed in the outside of preceding pipe fitting (5), wash the inside of cotton piece (7) and offer washing liquid injection chamber (13) with preceding pipe fitting (5) looks adaptation, wash the inside spiro union external member (8) that is equipped with that inlays of one end that is close to preceding pipe fitting (5) of cotton piece (7), the position department that the outer wall of preceding pipe fitting (5) corresponds spiro union external member (8) has seted up the external screw thread, preceding pipe fitting (5) are close to one end fixedly connected with inscription screwed pipe (14) of back pipe fitting (2), the one end inner wall that back pipe fitting (2) are close to preceding pipe fitting (5) is seted up there is the internal thread.

2. The cleaning brush for chemical experiments according to claim 1, wherein: symmetrical limiting grooves are formed in the outer side of the rear pipe fitting (2), the limiting grooves are filled with the protective sleeve (3), and the protective sleeve (3) is fixed with the rear pipe fitting (2) through strong glue in a bonding mode.

3. The cleaning brush for chemical experiments according to claim 1, wherein: preceding pipe fitting (5) and spiro union external member (8) complete spiro union back preceding pipe fitting (5) have the one end of switch separation blade (12) to be in inside washing liquid injection chamber (13), just there is the clearance switch separation blade (12) apart from the inner wall of wasing cotton piece (7).

4. The cleaning brush for chemical experiments according to claim 1, wherein: the switch separation blade (12) is in a natural state with the torsion spring (11) after the front pipe fitting (5) is completely closed, and one end of the switch separation blade (12) far away from the inner clamping shaft (10) is matched with the limiting block (6).

5. The cleaning brush for chemical experiments according to claim 1, wherein: the inner connecting solenoid (14) and the front pipe fitting (5) are integrally formed, and the front pipe fitting (5) and the rear pipe fitting (2) stretch into the inner part of the rear pipe fitting (2) through the inner connecting solenoid (14) to be in threaded connection with the front pipe fitting (5).

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