CN213467862U

CN213467862U - Heating frame that high school's chemistry experiments were used

Info

Publication number: CN213467862U
Application number: CN202022039169.1U
Authority: CN
Inventors: 刘兆杭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-18
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a heating frame that high school's chemistry experiments were used relates to chemistry experiments heating frame technical field, including base and adjusting device, the spout has been seted up on the surface of base, and the inside sliding connection of spout has the slide, the surface of slide is provided with the slide rail, and the sliding surface of slide rail is connected with the sleeve pipe, and the inside card of sheathed tube has the alcohol burner, the surface of base is provided with adjusting device, adjusting device includes the round bar, the bottom and the base fixed connection of round bar, the sliding surface of round bar is connected with the slide, the surface of slide is inserted and is equipped with first screw rod, the bottom and the base of first screw rod rotate to be connected. The utility model discloses, through setting up adjusting device, solved traditional heating frame and inconvenient carry out angle regulation at the in-process of test tube heating, the alcohol burner also can not be fine removes, can't contact the outer flame of alcohol burner with the bottom of test tube, has brought very big inconvenient problem for the chemistry experiment.

Description

Heating frame that high school's chemistry experiments were used

Technical Field

The utility model relates to a chemistry experiment heating frame technical field especially relates to a heating frame that high school's chemistry experiments were used.

Background

The rack is a support for placing articles, a shed frame for supporting vines or other plants, a self-made expression or posture for mold making, and multipurpose accessories such as square hole hanging plates and shutter hanging plates which are used for material arrangement and are combined with back-hanging part boxes and various hooks.

Chemistry of high school often needs to use the heating frame when doing the experiment, and the test tube generally all needs inclination when heating, and traditional heating frame is inconvenient carries out angle regulation at the in-process of test tube heating, and the alcohol burner also can not be fine removes, can't contact the outer flame of alcohol burner with the bottom of test tube, has brought very big inconvenience for the chemistry experiment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heating frame for high school chemistry experiments.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a heating frame for high school chemistry experiments comprises a base and an adjusting device, wherein a sliding groove is formed in the surface of the base, a sliding plate is connected to the inside of the sliding groove in a sliding mode, a sliding rail is arranged on the surface of the sliding plate, a sleeve is connected to the surface of the sliding rail in a sliding mode, an alcohol lamp is clamped inside the sleeve, an adjusting device is arranged on the surface of the base and comprises a round rod, the bottom of the round rod is fixedly connected with the base, a sliding seat is connected to the surface of the round rod in a sliding mode, a first screw rod is inserted into the surface of the sliding seat, the bottom end of the first screw rod is rotatably connected with the base, the surface of the first screw rod is in threaded connection with the sliding seat, an accommodating groove is formed in the surface of the base, the bottom end of the first screw rod penetrates through the accommodating groove, a first bevel gear is fixedly connected to the bottom end of the first, the port of connecting axle rotates and is connected with first circle piece, the first spring of one end fixedly connected with of connecting axle is kept away from to first circle piece, the one end and the round hole fixed connection of first circle piece are kept away from to first spring, the surface cover of connecting axle has the round gear, and the inner wall and the connecting axle fixed connection of round gear, the connecting axle is kept away from one side of keeping away from the connecting axle of the one end fixedly connected with square of first circle piece and has been seted up the spout, and the inside of spout is provided with extrusion ring and atress ring, and atress ring and spout fixed connection, the surface and the spout sliding connection of extrusion ring, the surface of extrusion ring is inserted and is equipped with the second screw rod, the surface and the extrusion ring threaded connection of second screw rod, and the port and the atress ring rotation of second screw rod are connected.

Preferably, a tooth socket is formed in the round hole of the sliding seat, and the tooth socket is matched with the round gear.

Preferably, one side, close to each other, of each of the extrusion ring and the stress ring is fixedly connected with a telescopic rod, the other end of each telescopic rod is fixedly connected with a compression ring, a second spring is sleeved on the surface of each telescopic rod, and two ends of each second spring are fixedly connected with the compression ring and the extrusion ring respectively.

Preferably, a rotating shaft is inserted into the side wall of the base, a second bevel gear is fixedly connected to one end of the rotating shaft close to the first bevel gear, the first bevel gear is meshed with the second bevel gear, and a rotating handle is fixedly connected to one end of the rotating shaft far away from the second bevel gear.

Preferably, the both sides of base all are provided with auxiliary device, auxiliary device includes the bull stick, the port and the base of bull stick rotate to be connected, the one end that the bull stick is close to the base rotates and is connected with the connecting rod, the slot hole has been seted up for the surface of connecting rod to the base, and the connecting rod runs through the slot hole to the one end that the bull stick was kept away from to the connecting rod rotates and is connected with manual pole, the surface of bull stick is inserted and is equipped with the cylinder, and cylindrical surface and bull stick sliding connection to cylindrical port fixedly connected with second circle piece, the fixed surface of second circle piece is connected with the third spring, and the inner wall cover of third spring is on cylindrical surface, and the one end and the bull stick fixed connection of second circle piece are kept away from to the third spring.

Preferably, the manual lever is L-shaped, and the surface of the L-shaped manual lever is rotatably connected with the base.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, through arranging the adjusting device, when heating the test tube, firstly, the test tube is placed in the extrusion ring, the second screw rod is used for clamping, the action of the second spring and the clamping ring prevents the extrusion ring from being too strong, the test tube is clamped into pieces, then the connecting shaft is pulled out, the circular gear is separated from the gear groove, the whole connecting shaft is rotated, the connecting shaft is rotated on the first round block, the angle is adjusted, after the proper position of the angle adjustment is reached, the connecting shaft is released, the circular gear and the gear groove are mutually clamped and fixed under the action of the first spring, the rotating shaft is rotated according to the position, the rotating shaft drives the first screw rod to rotate through the first bevel gear and the second bevel gear, thereby the whole slide seat is adjusted up and down, the alcohol lamp is placed in the sleeve, the position of the alcohol lamp is adjusted by the movement of the slide plate and the sleeve, make the outer flame of alcohol burner and the bottom of test tube contact mutually, solved traditional heating frame and inconvenient carry out angle regulation at the in-process of test tube heating, the alcohol burner also can not be fine removes, can't contact the outer flame of alcohol burner and the bottom of test tube, has brought very big inconvenient problem for the chemistry experiment.

2. The utility model discloses in, through setting up auxiliary device, when heating, whole heating frame is not fixed, may be askew because of the atress falls, at this moment, utilize base and bull stick to clip the desktop, then rotate manual pole, make manual pole drive the connecting rod and remove, thereby make the bull stick rotatory and shift up, press from both sides the desktop tightly, the disk can extrude the desktop through extruding the third spring, make the desktop receive the effort of third spring all the time, thereby fix the surface at the desk with whole base, even adjust the heating frame, also reduce the possibility that the heating frame collapsed.

Drawings

Fig. 1 is a schematic perspective view of a heating rack for high school chemistry experiments according to the present invention;

FIG. 2 is a schematic view of a connecting shaft structure of a heating rack for a high school chemistry experiment of the present invention;

fig. 3 is a side view of the heating rack of fig. 1 for high school chemistry experiments;

fig. 4 is a schematic view of the utility model provides an auxiliary device of a heating rack for high school's chemistry experiments.

Illustration of the drawings: 1. a base; 2. a slide plate; 3. a sleeve; 4. an adjustment device; 401. a first screw; 402. a round bar; 403. a slide base; 404. a square block; 405. a second screw; 406. an extrusion ring; 407. a rotating shaft; 408. a circular gear; 409. a connecting shaft; 410. a first round block; 411. a first spring; 412. a compression ring; 413. a second spring; 5. an auxiliary device; 51. a rotating rod; 52. a connecting rod; 53. a manual lever; 54. a third spring; 55. and a second round block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a heating frame for high school's chemistry experiments, including base 1 and adjusting device 4, the spout has been seted up on the surface of base 1, and the inside sliding connection of spout has slide 2, and the surface of slide 2 is provided with the slide rail, and the surface sliding connection of slide rail has sleeve pipe 3, and the inside card of sleeve pipe 3 has the alcohol burner.

The specific arrangement and function of the adjusting device 4 and the auxiliary device 5 will be described in detail below.

As shown in fig. 1 and fig. 2, the surface of the base 1 is provided with an adjusting device 4, the adjusting device 4 comprises a round bar 402, the bottom of the round bar 402 is fixedly connected with the base 1, the surface of the round bar 402 is slidably connected with a slide carriage 403, the surface of the slide carriage 403 is inserted with a first screw 401, the bottom end of the first screw 401 is rotatably connected with the base 1, the surface of the first screw 401 is in threaded connection with the slide carriage 403, the surface of the base 1 is provided with an accommodating groove, the bottom end of the first screw 401 penetrates through the accommodating groove, the bottom end of the first screw 401 is fixedly connected with a first bevel gear, the side wall of the slide carriage 403 is provided with a round hole, the inside of the round hole is slidably connected with a connecting shaft 409, the port of the connecting shaft 409 is rotatably connected with a first round block 410, the end of the first round block 410, far away from the connecting shaft 409, is fixedly connected, the surface of the connecting shaft 409 is sleeved with a circular gear 408, the inner wall of the circular gear 408 is fixedly connected with the connecting shaft 409, one end of the connecting shaft 409, which is far away from the first circular block 410, is fixedly connected with a square block 404, one side of the square block 404, which is far away from the connecting shaft 409, is provided with a sliding chute, an extrusion ring 406 and a stress ring are arranged inside the sliding chute, the stress ring is fixedly connected with the sliding chute, the surface of the extrusion ring 406 is slidably connected with the sliding chute, a second screw 405 is inserted on the surface of the extrusion ring 406, the surface of the second screw 405 is in threaded connection with the extrusion ring 406, the port of the second screw 405 is in rotational connection with the stress ring, a tooth socket is arranged inside the circular hole of the sliding seat 403, the tooth socket is matched with the circular gear 408, one side of the extrusion ring 406, which is close to the stress ring, is fixedly connected with, the two ends of the second spring 413 are fixedly connected with the compression ring 412 and the extrusion ring 406 respectively, a rotating shaft 407 is inserted into the side wall of the base 1, a second bevel gear is fixedly connected to one end of the rotating shaft 407 close to the first bevel gear, the first bevel gear is meshed with the second bevel gear, and a rotating handle is fixedly connected to one end of the rotating shaft 407 far away from the second bevel gear.

The whole adjusting device 4 achieves the effects that by arranging the adjusting device 4, when a test tube is heated, the test tube is firstly placed in the extrusion ring 406 and is clamped by the second screw 405, the action of the second spring 413 and the clamping ring prevents the extrusion ring 406 from exerting too much force to clamp the test tube, then the connecting shaft 409 is pulled out to separate the circular gear 408 from the gear groove, the whole connecting shaft 409 is rotated to enable the connecting shaft 409 to rotate on the first round block 410 for angle adjustment, after the proper position of the angle adjustment is reached, the connecting shaft 409 is released, the circular gear 408 and the gear groove are mutually clamped and fixed under the action of the first spring 411, the rotating shaft 407 is rotated according to the position to enable the rotating shaft 407 to drive the first screw 401 to rotate through the first bevel gear and the second bevel gear, so that the whole sliding seat 403 is adjusted up and down, the alcohol lamp is placed in the sleeve 3, utilize slide 2 and telescopic removal to adjust the position of alcohol burner, make the outer flame of alcohol burner and the bottom of test tube contact mutually, solved traditional heating frame inconvenient carry out angle regulation at the in-process of test tube heating, the alcohol burner also can not be fine removes, can't contact the outer flame of alcohol burner and the bottom of test tube, has brought very big inconvenient problem for the chemistry experiment.

As shown in fig. 3 and 4, the auxiliary device 5 is disposed on both sides of the base 1, the auxiliary device 5 includes a rotating rod 51, a port of the rotating rod 51 is rotatably connected with the base 1, one end of the rotating rod 51 close to the base 1 is rotatably connected with a connecting rod 52, a long hole is formed on the surface of the base 1 opposite to the connecting rod 52, and the connecting rod 52 penetrates through the long hole, and one end of the link 52, which is far away from the rotating rod 51, is rotatably connected with a manual lever 53, a cylinder is inserted on the surface of the rotating rod 51, the surface of the cylinder is connected with the rotating rod 51 in a sliding way, and the end of the cylinder is fixedly connected with a second round block 55, the surface of the second round block 55 is fixedly connected with a third spring 54, the inner wall of the third spring 54 is sleeved on the surface of the cylinder, and one end of the third spring 54 far from the second round block 55 is fixedly connected with the rotating rod 51, the manual lever 53 is L-shaped, and the surface of the L-shaped manual lever 53 is rotatably connected with the base 1.

The effect that its whole auxiliary device 5 reaches is, through setting up auxiliary device 5, when heating, whole heating rack is not fixed, can be askew because of the atress, at this moment, utilize base 1 and bull stick 51 to clip the desktop, then rotate manual lever 53, make manual lever 53 drive connecting rod 52 and remove, thereby make bull stick 51 rotatory and shift up, press from both sides the desktop tightly, the circle can be through extrudeing the desktop that extrudees third spring 54, make the desktop receive the effort of third spring 54 all the time, thereby fix whole base 1 on the surface of desk, even adjust the heating rack, also reduce the possibility that the heating rack collapses.

The whole working principle is that by arranging the adjusting device 4, when heating the test tube, the test tube is firstly placed in the extrusion ring 406 and is clamped by the second screw 405, the situation that the extrusion ring 406 is crushed by excessive force is prevented by the action of the second spring 413 and the clamping ring, then the connecting shaft 409 is pulled out, the circular gear 408 is separated from the gear groove, the whole connecting shaft 409 is rotated, the connecting shaft 409 is rotated on the first circular block 410 to adjust the angle, after the proper position of the angle adjustment is reached, the connecting shaft 409 is loosened, the circular gear 408 and the gear groove are mutually clamped and fixed under the action of the first spring 411, the rotating shaft 407 is rotated according to the position, the rotating shaft 407 drives the first screw 401 to rotate through the first bevel gear and the second bevel gear, so that the whole 403 is adjusted up and down, the alcohol lamp slide seat is placed in the sleeve 3, the position of the alcohol lamp is adjusted by moving the sliding plate 2 and the sleeve, so that the outer flame of the alcohol lamp is contacted with the bottom of the test tube, the problem that the traditional heating frame is inconvenient to adjust the angle in the process of heating the test tube, the alcohol lamp cannot well move, the outer flame of the alcohol lamp cannot be contacted with the bottom of the test tube, and great inconvenience is brought to a chemical experiment is solved, by arranging the auxiliary device 5, the whole heating frame is not fixed during heating and can be inclined due to stress, at the moment, the table top is clamped by the base 1 and the rotating rod 51, then the manual rod 53 is rotated, the manual rod 53 drives the connecting rod 52 to move, so that the rotating rod 51 rotates to move upwards, the table top is clamped, a round block can extrude the table top by extruding the third spring 54, the table top is always acted by the third spring 54, and the whole base 1 is fixed on the surface of the table, even if the heating rack is adjusted, the possibility of collapse of the heating rack is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a heating frame that high school's chemistry experiments were used, includes base (1) and adjusting device (4), its characterized in that: the surface of the base (1) is provided with a sliding groove, the sliding groove is connected with a sliding plate (2) in a sliding manner, the surface of the sliding plate (2) is provided with a sliding rail, the surface of the sliding rail is connected with a sleeve (3) in a sliding manner, an alcohol lamp is clamped inside the sleeve (3), the surface of the base (1) is provided with an adjusting device (4), the adjusting device (4) comprises a round rod (402), the bottom of the round rod (402) is fixedly connected with the base (1), the surface of the round rod (402) is connected with a sliding seat (403) in a sliding manner, a first screw (401) is inserted into the surface of the sliding seat (403), the bottom end of the first screw (401) is rotatably connected with the base (1), the surface of the first screw (401) is connected with the sliding seat (403) in a threaded manner, an accommodating groove is formed in the surface of the base (1), and the bottom end of the, a first bevel gear is fixedly connected to the bottom end of the first screw rod (401), a round hole is formed in the side wall of the sliding seat (403), a connecting shaft (409) is connected to the inside of the round hole in a sliding manner, a first round block (410) is connected to the port of the connecting shaft (409) in a rotating manner, a first spring (411) is fixedly connected to one end, far away from the connecting shaft (409), of the first round block (410), the round hole is fixedly connected to one end, far away from the first round block (410), of the first spring (411), a round gear (408) is sleeved on the surface of the connecting shaft (409), the inner wall of the round gear (408) is fixedly connected to the connecting shaft (409), a square block (404) is fixedly connected to one end, far away from the connecting shaft (409), of the square block (404), a sliding groove is formed in one side, far away from the connecting shaft (409), and an extrusion ring (406, the stress ring is fixedly connected with the sliding groove, the surface of the extrusion ring (406) is in sliding connection with the sliding groove, a second screw (405) is inserted into the surface of the extrusion ring (406), the surface of the second screw (405) is in threaded connection with the extrusion ring (406), and the port of the second screw (405) is in rotating connection with the stress ring.

2. The heating rack for high school chemistry experiments according to claim 1, characterized in that: tooth grooves are formed in the round holes of the sliding base (403), and the tooth grooves are matched with the round gears (408).

3. The heating rack for high school chemistry experiments according to claim 1, characterized in that: the extrusion ring (406) and the stressed ring are both fixedly connected with a telescopic rod on one side close to each other, the other end of the telescopic rod is fixedly connected with a compression ring (412), a second spring (413) is sleeved on the surface of the telescopic rod, and two ends of the second spring (413) are respectively fixedly connected with the compression ring (412) and the extrusion ring (406).

4. The heating rack for high school chemistry experiments according to claim 1, characterized in that: a rotating shaft (407) is inserted into the side wall of the base (1), a second bevel gear is fixedly connected to one end, close to the first bevel gear, of the rotating shaft (407), the first bevel gear is meshed with the second bevel gear, and a rotating handle is fixedly connected to one end, far away from the second bevel gear, of the rotating shaft (407).

5. The heating rack for high school chemistry experiments according to claim 1, characterized in that: auxiliary devices (5) are arranged on two sides of the base (1), each auxiliary device (5) comprises a rotating rod (51), the port of the rotating rod (51) is rotationally connected with the base (1), one end of the rotating rod (51) close to the base (1) is rotationally connected with a connecting rod (52), the surface of the base (1) corresponding to the connecting rod (52) is provided with a long hole, the connecting rod (52) penetrates through the long hole, and one end of the connecting rod (52) far away from the rotating rod (51) is rotatably connected with a manual rod (53), a cylinder is inserted into the surface of the rotating rod (51), the surface of the cylinder is connected with the rotating rod (51) in a sliding way, a second round block (55) is fixedly connected with the end of the cylinder, a third spring (54) is fixedly connected with the surface of the second round block (55), the inner wall of the third spring (54) is sleeved on the surface of the cylinder, and one end of the third spring (54) far away from the second round block (55) is fixedly connected with the rotating rod (51).

6. The heating rack for high school chemistry experiments of claim 5, wherein: the manual lever (53) is L-shaped, and the surface of the L-shaped manual lever (53) is rotatably connected with the base (1).