CN216879427U - Reaction tube convenient to equipment - Google Patents

Abstract

The utility model belongs to the field of experimental appliances, and particularly relates to a reaction tube convenient to assemble, which comprises a reaction tube body, an air inlet pipe, a connecting pipe, a sleeve and a pushing assembly, wherein the reaction tube body is provided with a plurality of through holes; the gas inlet pipe is fixedly connected to the top of the reaction pipe body; the end part of the air inlet pipe is inserted into the sleeve and is fixedly connected with the sleeve; the connecting pipe is inserted into the sleeve and is in sliding connection with the sleeve; a first groove and a second groove are formed in the sleeve; the rigid coupling has annular rubber bag in the first recess, and through setting up the sleeve, barrel, slide cartridge, down tube, gasbag, annular rubber gasbag and trachea, at the installation, the staff only needs rotatory barrel can accomplish to connect fixedly, carries out the mode contrast sealed with trompil on the rubber stopper, and its installation is more convenient, is difficult for leading to the connecting pipe fracture because of the strength is excessive simultaneously.

Description

Reaction tube convenient to equipment

Technical Field

The utility model relates to the field of experimental appliances, in particular to a reaction tube convenient to assemble.

Background

The reaction tube is a container for experimental reaction, which is generally made of glass material, and the top of the reaction tube is provided with a rubber plug for sealing.

Among the prior art at present, can assemble corresponding connecting pipe on the reaction tube, the connecting pipe generally is the glass material, carries out equipment connection through the rubber buffer between connecting pipe and the reaction tube, has seted up the hole on the rubber buffer, and during the equipment, the staff runs through the rubber buffer with the connecting pipe from the hole, relies on the rubber buffer to seal it.

However, due to the sealing mode of the rubber plug, a worker is required to forcibly insert the connecting pipe into the rubber plug during assembly, the assembly is inconvenient, and the connecting pipe is easy to break due to overlarge insertion force; therefore, a reaction tube which is easy to assemble has been proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the reaction tube convenient to assemble comprises a reaction tube body, an air inlet pipe, a connecting pipe, a sleeve and a pushing assembly, wherein the reaction tube body is provided with a plurality of through holes; the gas inlet pipe is fixedly connected to the top of the reaction pipe body; the end part of the air inlet pipe is inserted into the sleeve and is fixedly connected with the sleeve; the connecting pipe is inserted into the sleeve and is in sliding connection with the sleeve; a first groove and a second groove are formed in the sleeve; an annular rubber bag is fixedly connected in the first groove; an air bag is fixedly connected to one side of the second groove, which is close to the first groove; the air bag and the annular rubber bag are communicated with each other through an air pipe; the promotion subassembly is established on the sleeve, when using through the device, and the staff only needs rotatory spiral shell section of thick bamboo can accomplish to connect fixedly, carries out the mode contrast sealed with trompil on through the rubber plug, and its installation is more convenient, is difficult for leading to the connecting pipe fracture because of the strength is excessive simultaneously.

Preferably, the pushing assembly comprises a screw cylinder, a sliding cylinder and an inclined rod; the screw cylinder and the sliding cylinder are sleeved on the surface of the sleeve; the screw cylinder is connected with the sleeve through threads; the sliding cylinder is connected with the sleeve in a sliding manner; an extrusion groove is formed in the inner side wall of the sliding barrel; the inclined rod is rotatably connected to the side wall of the second groove, and the end part of the inclined rod is inserted into the extrusion groove, so that the air bag is extruded.

Preferably, a pair of sliding grooves are symmetrically formed in two sides of the second groove; a sliding block is connected in the sliding groove in a sliding manner; a fixed plate is fixedly connected between the pair of sliding blocks; a rubber pad is fixedly connected to the side surface of the fixed plate; the fixing plate is positioned on one side of the inclined rod away from the sliding cylinder; the side face of the sliding block is fixedly connected with a first spring, so that the connecting pipe can be clamped and fixed and is not easy to move, and the connecting pipe is not easy to fall off.

Preferably, a housing is fixedly connected to one side of the screw cylinder, which is far away from the sliding cylinder; a sliding groove is formed in the inner side wall of the housing; the sliding groove is internally and slidably connected with a connecting plate; a graphite block is fixedly connected to the bottom side of the connecting plate; one side rigid coupling that the connecting plate kept away from telescopic has the second spring, relies on graphite powder can lubricate the sleeve surface to the staff of being convenient for rotates the spiral shell section of thick bamboo.

Preferably, a first ring body is fixedly connected to the inner side wall of the sleeve; the connecting pipe is fixedly connected with a second ring body; the section of the second ring body is trapezoidal; the fixing plate is provided with an inclined plane at a position corresponding to the second ring body, so that the fitting degree of the annular rubber bag and the first ring body and the second ring body is improved, and the sealing effect is further improved.

Preferably, the screw cylinder is provided with a containing groove; the containing groove is internally hinged with a handle, and the handle is arranged, so that a worker can conveniently rotate the screw cylinder, and the use of the screw cylinder is facilitated.

The utility model has the advantages that:

1. according to the utility model, through arranging the sleeve, the screw barrel, the sliding barrel, the inclined rod, the air bag, the annular rubber air bag and the air pipe, during installation, a worker can complete connection and fixation only by rotating the screw barrel, compared with a mode of sealing through an opening on the rubber plug, the installation is more convenient, and meanwhile, the connecting pipe is not easy to break due to over-exertion.

2. According to the utility model, by arranging the fixing plate, the rubber pad, the sliding block and the spring, when the connecting pipe is used, the inclined rod rotates, then one end of the inclined rod positioned in the second groove can rotate to extrude the fixing plate, so that the fixing plate moves towards the connecting pipe, and then the rubber pad on the fixing plate is contacted with the connecting pipe, so that the connecting pipe can be clamped and fixed, and is not easy to move, and the connecting pipe is not easy to fall off.

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 drawings without creative efforts.

FIG. 1 is a schematic view of a reaction tube according to the first embodiment;

FIG. 2 is a schematic view of a sleeve structure according to the first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural diagram according to the first embodiment;

fig. 5 is a schematic structural view of the rubber sleeve of the second embodiment.

In the figure: 11. a reaction tube body; 12. an air inlet pipe; 13. a connecting pipe; 14. a sleeve; 15. a first groove; 16. a second groove; 17. an air bag; 18. an annular rubber bladder; 21. a screw cylinder; 22. a slide cylinder; 23. a diagonal bar; 31. a fixing plate; 32. a rubber pad; 33. a slider; 41. graphite blocks; 42. a connecting plate; 51. a first ring body; 52. a second ring body; 6. a grip; 7. a rubber sleeve.

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.

Example one

Referring to fig. 1-4, a reaction tube convenient for assembly includes a reaction tube body 11, an air inlet tube 12, a connecting tube 13, a sleeve 14 and a pushing assembly; the gas inlet pipe 12 is fixedly connected to the top of the reaction pipe body 11; the end part of the air inlet pipe 12 is inserted into the sleeve 14 and is fixedly connected with the sleeve; the connecting pipe 13 is inserted into the sleeve 14 and is connected with the sleeve in a sliding way; a first groove 15 and a second groove 16 are formed in the sleeve 14; an annular rubber bag 18 is fixedly connected in the first groove 15; an air bag 17 is fixedly connected to one side, close to the first groove 15, of the second groove 16; the air bag 17 and the annular rubber bag 18 are communicated with each other through an air pipe; the pushing assembly is arranged on the sleeve 14; the pushing assembly comprises a screw cylinder 21, a sliding cylinder 22 and an inclined rod 23; the screw cylinder 21 and the sliding cylinder 22 are sleeved on the surface of the sleeve 14; the screw cylinder 21 is connected with the sleeve 14 through threads; the sliding cylinder 22 is connected with the sleeve 14 in a sliding manner; an extrusion groove is formed in the inner side wall of the sliding barrel 22; the inclined rod 23 is rotatably connected to the side wall of the second groove 16, and the end part of the inclined rod is inserted into the extrusion groove; when in use, a worker firstly inserts the connecting pipe 13 into the sleeve 14, then the worker rotates the screw cylinder 21, the screw barrel 21 is driven to move through the screw thread, then the screw barrel 21 pushes the slide barrel 22 to move, the slide barrel 22 moves to push the inclined rod 23 to rotate, one end of the inclined rod 23, which is positioned in the second groove 16, can extrude the air bag 17, then air in the air bag 17 enters the annular rubber bag 18 through the air pipe, so that the annular rubber bag 18 is expanded, then the inner diameter is contracted to fix the connection pipe 13 and seal the connection pipe 13, thereby fixing the connection pipe 13 and the reaction tube body 11, when the device is used, a worker can complete connection and fixation by only rotating the screw cylinder 21, compared with the mode of sealing by opening a hole on the rubber plug, the installation is more convenient, and the connecting pipe 13 is not easy to break due to excessive force.

A pair of sliding grooves are symmetrically formed in two sides of the second groove 16; a sliding block 33 is connected in the sliding groove in a sliding manner; a fixed plate 31 is fixedly connected between the pair of sliding blocks 33; a rubber pad 32 is fixedly connected to the side surface of the fixed plate 31; the fixed plate 31 is positioned on one side of the inclined rod 23 far away from the sliding cylinder 22; a first spring is fixedly connected to the side surface of the sliding block 33; when the device is used, the inclined rod 23 rotates, then one end in the second groove 16 can rotate to extrude the fixing plate 31, so that the fixing plate 31 moves towards the connecting pipe 13, then the rubber pad 32 on the fixing plate 31 contacts with the connecting pipe 13, so that the fixing connecting pipe 13 can be clamped and fixed, the connecting pipe 13 is not easy to move, so that the connecting pipe 13 is not easy to fall off, meanwhile, the sliding block 33 can slide in the sliding groove, when the connecting rod needs to be disassembled, the screw cylinder 21 rotates reversely by a worker, then the sliding block 33 and the fixing plate 31 are pushed by the first spring to reset, so that the inclined rod 23 rotates to reset, then gas in the annular rubber bag 18 enters the air bag 17, and the resetting of the device is completed.

A housing is fixedly connected to one side of the screw cylinder 21 far away from the sliding cylinder 22; a sliding groove is formed in the inner side wall of the housing; a connecting plate 42 is connected in the sliding groove in a sliding manner; a graphite block 41 is fixedly connected to the bottom side of the connecting plate 42; a second spring is fixedly connected to one side of the connecting plate 42 away from the sleeve 14; when using, the rotatory in-process of barrel 21, it can drive graphite piece 41 and sleeve 14 surface production friction, and the friction can produce graphite powder, relies on graphite powder can lubricate sleeve 14 surface to the staff of being convenient for rotates barrel 21, and second spring extrusion graphite piece 41 makes it keep contacting with sleeve 14.

A first ring body 51 is fixedly connected to the inner side wall of the sleeve 14; a second ring body 52 is fixedly connected to the connecting pipe 13; the second ring 52 has a trapezoidal cross section; an inclined surface is arranged at the position of the fixed plate 31 corresponding to the second ring body 52; the screw cylinder 21 is provided with a containing groove; a handle 6 is hinged in the accommodating groove; when using, can restrict annular rubber gasbag 17's inflation position through first ring body 51 and second ring body 52, stretch out the back at fixed plate 31 simultaneously, the inclined plane on its fixed plate 31 contacts with the inclined plane of second ring body 52, later can produce horizontal thrust, and then extrude annular rubber bag 18, thereby improve annular rubber bag 18 and first ring body 51 and second ring body 52's laminating degree, and then improve sealed effect, when using, through setting up handle 6, with this can be convenient for the staff to rotate barrel 21, make things convenient for its use.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a rubber sleeve 7 is fixedly connected to a surface of the grip 6, and when in use, the rubber sleeve 7 increases friction between the palm and the grip 6, thereby facilitating a worker to rotate the screw tube 21.

The working principle is that when the device is used, a worker firstly inserts the connecting pipe 13 into the sleeve 14, then rotates the screw barrel 21, drives the screw barrel 21 to move through threads, then the screw barrel 21 pushes the sliding barrel 22 to move, the sliding barrel 22 pushes the inclined rod 23 to rotate, one end of the inclined rod 23, which is positioned in the second groove 16, can extrude the air bag 17, then air in the air bag 17 enters the annular rubber bag 18 through an air pipe, so that the annular rubber bag 18 is expanded, then the inner diameter of the annular rubber bag is contracted, the connecting pipe 13 can be fixed, meanwhile, the connecting pipe 13 can be sealed, so that the connecting pipe 13 and the reaction pipe body 11 are fixed, when the device is used, the worker only needs to rotate the screw barrel 21 to complete connection and fixation, compared with the mode of sealing through an opening on a rubber plug, the device is more convenient to install, meanwhile, the connecting pipe 13 is not easy to break due to excessive force, when the device is used, the inclined rod 23 rotates, then one end in the second groove 16 rotates to extrude the fixing plate 31, so that the fixing plate 31 moves towards the connecting pipe 13, then the rubber pad 32 on the fixing plate 31 is contacted with the connecting pipe 13, so that the fixing connecting pipe 13 can be clamped and fixed, the connecting pipe 13 is not easy to move, so that the connecting pipe 13 is not easy to fall off, meanwhile, the sliding block 33 slides in the sliding groove, when the connecting rod needs to be disassembled, a worker reversely rotates the screw cylinder 21, then the first spring pushes the sliding block 33 and the fixing plate 31 to reset, so that the inclined rod 23 rotates and resets, then, gas in the annular rubber bag 18 enters the air bag 17, so that the resetting of the device is completed, and in the rotating process of the screw cylinder 21, the graphite block 41 and the surface of the sleeve 14 are driven to generate friction, the friction can produce graphite powder, rely on graphite powder to lubricate sleeve 14 surface, thereby be convenient for the staff to rotate barrel 21, second spring extrusion graphite block 41, make it keep and sleeve 14 contact, can restrict annular rubber gasbag 17's inflation position through first ring body 51 and second ring body 52, stretch out the back at fixed plate 31 simultaneously, the inclined plane on its fixed plate 31 contacts with the inclined plane of second ring body 52, later can produce horizontal thrust, and then extrude annular rubber bag 18, thereby improve annular rubber bag 18 and first ring body 51 and second ring body 52's laminating degree, and then improve sealed effect, when using, through setting up handle 6, with this can be convenient for the staff to rotate barrel 21, make things convenient for its use.

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 utility model. 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 foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. A reaction tube convenient for assembly, characterized in that: comprises a reaction tube body (11), an air inlet tube (12), a connecting tube (13), a sleeve (14) and a pushing assembly; the gas inlet pipe (12) is fixedly connected to the top of the reaction pipe body (11); the end part of the air inlet pipe (12) is inserted into the sleeve (14) and is fixedly connected with the sleeve; the connecting pipe (13) is inserted into the sleeve (14) and is connected with the sleeve in a sliding way; a first groove (15) and a second groove (16) are formed in the sleeve (14); an annular rubber bag (18) is fixedly connected in the first groove (15); an air bag (17) is fixedly connected to one side, close to the first groove (15), of the second groove (16); the air bag (17) and the annular rubber bag (18) are communicated with each other through an air pipe; the pushing assembly is arranged on the sleeve (14).

2. A reactor tube for ease of assembly as set forth in claim 1, wherein: the pushing assembly comprises a screw cylinder (21), a sliding cylinder (22) and an inclined rod (23); the screw cylinder (21) and the sliding cylinder (22) are sleeved on the surface of the sleeve (14); the screw cylinder (21) is in threaded connection with the sleeve (14); the sliding cylinder (22) is connected with the sleeve (14) in a sliding manner; an extrusion groove is formed in the inner side wall of the sliding barrel (22); the inclined rod (23) is rotatably connected to the side wall of the second groove (16), and the end part of the inclined rod is inserted into the extrusion groove.

3. A reactor tube for ease of assembly as set forth in claim 2, wherein: a pair of sliding grooves are symmetrically formed in the two sides of the second groove (16); a sliding block (33) is connected in the sliding groove in a sliding manner; a fixed plate (31) is fixedly connected between the pair of sliding blocks (33); a rubber pad (32) is fixedly connected to the side surface of the fixed plate (31); the fixed plate (31) is positioned on one side of the inclined rod (23) far away from the sliding cylinder (22); the side surface of the sliding block (33) is fixedly connected with a first spring.

4. A reactor tube for ease of assembly as set forth in claim 3, wherein: a housing is fixedly connected to one side of the screw cylinder (21) far away from the sliding cylinder (22); a sliding groove is formed in the inner side wall of the housing; a connecting plate (42) is connected in the sliding groove in a sliding manner; a graphite block (41) is fixedly connected to the bottom side of the connecting plate (42); and a second spring is fixedly connected to one side of the connecting plate (42) far away from the sleeve (14).

5. A reactor tube for ease of assembly as set forth in claim 4, wherein: a first ring body (51) is fixedly connected to the inner side wall of the sleeve (14); a second ring body (52) is fixedly connected to the connecting pipe (13); the section of the second ring body (52) is trapezoidal; the fixing plate (31) is provided with an inclined surface at the position corresponding to the second ring body (52).

6. A reactor tube for ease of assembly as set forth in claim 5, wherein: the screw cylinder (21) is provided with a containing groove; a handle (6) is hinged in the containing groove.

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