CN210279249U - Chemistry experiment room test tube fixing device - Google Patents
Chemistry experiment room test tube fixing device Download PDFInfo
- Publication number
- CN210279249U CN210279249U CN201921215190.3U CN201921215190U CN210279249U CN 210279249 U CN210279249 U CN 210279249U CN 201921215190 U CN201921215190 U CN 201921215190U CN 210279249 U CN210279249 U CN 210279249U
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- arc
- test tube
- shaped
- adjusting rod
- limiting plate
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Abstract
The utility model discloses a chemistry experiment room test tube fixing device, including the protecting frame, the inner wall bottom fixedly connected with positioning seat of protecting frame, the top of positioning seat is inlayed and is had the arc sliding chamber, the inner wall top welding of protecting frame has \21274;, the shape frame, \21274;, the inner wall bottom of shape frame is provided with the loading board, it has the bracing piece to run through in the loading board, and bracing piece and loading board are mutual welding, fixedly connected with spring between the inner wall top of loading board and protecting frame. This chemistry experiment room test tube fixing device, through upwards pulling the regulating block, the bracing piece at this moment drives the arc limiting plate and shifts up, under the effect of hinge pin, the cooperation leading wheel realizes adjusting the pole and slides in the arc sliding cavity, puts into the downside of arc limiting plate with the test tube this moment again, after loosening the regulating block, pushes loading board and bracing piece under the effect of spring, reaches the effect of the bottom chucking test tube of arc limiting plate to the convenient test tube to different apertures is fixed.
Description
Technical Field
The utility model belongs to the technical field of chemical experiment equipment, concretely relates to chemistry experiment room test tube fixing device.
Background
The instruments used in chemical experiments are called chemical instruments. The materials may be metered or reacted. Mainly divided into a measuring instrument and a reaction instrument. Utensil in the chemistry experiment commonly used has the buret, the pipette, the graduated flask, the test tube, the flask, the evaporating dish, the crucible, the wide-necked bottle, the thin-necked bottle, wash the gas bottle, the funnel, separating funnel, the evaporating dish, the flask, the condenser, crucible and beaker etc., when the test tube of different diameters needs to be fixed, just need with different test-tube racks, the test-tube rack that a large amount of is put and is occupied area than, make a round trip to take and also produce collision each other easily, it is inconvenient to use, lead to its single test tube fixing device can not fixed the test tube of different diameter size simultaneously, can not be fine satisfy people's demand, need to improve to this.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chemistry experiment room test tube fixing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a test tube fixing device for a chemical laboratory comprises a protective frame, wherein a positioning seat is fixedly connected to the bottom end of the inner wall of the protective frame, an arc-shaped sliding cavity is inlaid at the top end of the positioning seat, a v-21274-shaped frame is welded to the top end of the inner wall of the protective frame, a bearing plate is arranged at the bottom end of the inner wall of the v-21274-shaped frame, a supporting rod penetrates through the bearing plate and is welded to the bearing plate, a spring is fixedly connected between the bearing plate and the top end of the inner wall of the protective frame, the top end of the supporting rod penetrates through the protective frame and extends to the upper side of the protective frame to be fixedly connected with an adjusting block, the bottom end of the supporting rod penetrates through the v-21274-shaped frame and extends to the lower side of the v-shaped frame to be fixedly connected with an arc-shaped limiting plate, a first hinge shaft and a second hinge shaft are respectively arranged at two end parts of the arc-shaped, and a second adjusting rod is rotatably connected to the second hinge shaft, and a second guide wheel is arranged at the end part of the second adjusting rod.
This setting is used for through upwards pulling the regulating block, and the bracing piece at this moment drives the arc limiting plate and shifts up, and under the effect of hinge pin, the cooperation leading wheel realizes adjusting the pole and slides in the arc sliding cavity, puts into the downside of arc limiting plate with the test tube this moment again, loosens the regulating block after, pushes loading board and bracing piece under the effect of spring, reaches the effect of the bottom chucking test tube of arc limiting plate to the convenience is fixed the test tube in different apertures.
Preferably, the two springs are symmetrically arranged by taking the support rod as a center, and the springs are compression springs.
Preferably, the adjacent inner walls of the arc-shaped sliding cavity and the arc-shaped limiting plate are fixedly connected with rubber pads.
Preferably, the first adjusting rod and the second adjusting rod are both arranged inside the arc-shaped sliding cavity, and the first adjusting rod and the second adjusting rod are both arc-shaped.
Preferably, the first guide wheel and the second guide wheel are both in contact with the inner wall of the arc-shaped sliding cavity.
Preferably, the surface of regulating block coats and is had the rubber sleeve, and the surface of rubber sleeve is provided with anti-skidding granule.
The utility model discloses a technological effect and advantage: this chemistry experiment room test tube fixing device, through upwards pulling the regulating block, the bracing piece at this moment drives the arc limiting plate and shifts up, under the effect of hinge pin, the cooperation leading wheel realizes adjusting the pole and slides in the arc sliding cavity, puts into the downside of arc limiting plate with the test tube this moment again, after loosening the regulating block, pushes loading board and bracing piece under the effect of spring, reaches the effect of the bottom chucking test tube of arc limiting plate to the convenient test tube to different apertures is fixed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the arc-shaped sliding chamber of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1. a protective frame; 2. positioning seats; 3. an arc-shaped sliding cavity; 4. \ 21274and a shape frame; 5. a carrier plate; 6. a support bar; 7. a spring; 8. an adjusting block; 9. an arc limiting plate; 10. a first hinge axis; 11. a second hinge axis; 12. a first adjusting lever; 13. a first guide wheel; 14. a second adjusting lever; 15. a second guide wheel.
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.
The utility model provides a chemical laboratory test tube fixing device as shown in figures 1-3, which comprises a protective frame 1, wherein the bottom end of the inner wall of the protective frame 1 is fixedly connected with a positioning seat 2, the top end of the positioning seat 2 is inlaid with an arc-shaped sliding cavity 3, the top end of the inner wall of the protective frame 1 is welded with a v-shaped frame 4, the v-shaped frame 4 is provided with a bearing plate 5 at the bottom end of the inner wall, a supporting rod 6 penetrates through the bearing plate 5 and is welded with the bearing plate 5, a spring 7 is fixedly connected between the bearing plate 5 and the top end of the inner wall of the protective frame 1, the top end of the supporting rod 6 penetrates through the protective frame 1 and extends to the upper side of the protective frame 1 to be fixedly connected with an adjusting block 8, the bottom end of the supporting rod 6 penetrates through the v-shaped frame 4 and extends to the v-shaped frame 4, the lower side of the v-shaped frame 4 is fixedly connected with an arc-shaped limiting plate 9, the two end parts of the, a first adjusting rod 12 is rotatably connected to the first hinge shaft 10, a first guide wheel 13 is arranged at the end of the first adjusting rod 12, a second adjusting rod 14 is rotatably connected to the second hinge shaft 11, and a second guide wheel 15 is arranged at the end of the second adjusting rod 14.
Specifically, the two springs 7 are symmetrically arranged with the support rod 6 as a center, and the springs 7 are compression springs.
Specifically, the adjacent inner walls of the arc-shaped sliding cavity 3 and the arc-shaped limiting plate 9 are fixedly connected with rubber pads.
Specifically, the first adjusting rod 12 and the second adjusting rod 14 are both arranged inside the arc-shaped sliding cavity 3, and the first adjusting rod 12 and the second adjusting rod 14 are both arc-shaped.
Specifically, the first guide wheel 13 and the second guide wheel 15 are both in contact with the inner wall of the arc-shaped sliding cavity 3.
Specifically, the surface of regulating block 8 coats and has the rubber sleeve, and the surface of rubber sleeve is provided with anti-skidding granule.
This chemistry experiment room test tube fixing device, when using, through upwards pulling regulating block 8, bracing piece 6 at this moment drives arc limiting plate 9 and moves upward, under the effect of hinge pin, the cooperation leading wheel realizes adjusting the pole and slides in arc sliding chamber 3, put into the downside of arc limiting plate 9 with the test tube again this moment, loosen regulating block 8 back, promote loading board 5 and bracing piece 6 under the effect of spring 7, reach the effect of the bottom chucking test tube of arc limiting plate 9, thereby the convenient test tube to different apertures is fixed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a chemistry experiment room test tube fixing device, includes protective frame (1), its characterized in that: the inner wall bottom end of the protective frame (1) is fixedly connected with a positioning seat (2), the top end of the positioning seat (2) is inlaid with an arc-shaped sliding cavity (3), the inner wall top end of the protective frame (1) is welded with a v-21274, a shaped frame (4), the inner wall bottom end of the v-21274, the shaped frame (4) is provided with a bearing plate (5), a supporting rod (6) penetrates through the bearing plate (5), the supporting rod (6) and the bearing plate (5) are mutually welded, a spring (7) is fixedly connected between the bearing plate (5) and the inner wall top end of the protective frame (1), the top end of the supporting rod (6) penetrates through the protective frame (1) and extends to the upper side of the protective frame (1) to be fixedly connected with an adjusting block (8), the bottom end of the supporting rod (6) penetrates through the v-21274, the lower side of the shaped frame (4) is fixedly connected with an arc-shaped limiting plate (, the arc-shaped limiting plate is characterized in that a first hinge shaft (10) and a second hinge shaft (11) are respectively arranged at two ends of the arc-shaped limiting plate (9), a first adjusting rod (12) is connected to the first hinge shaft (10) in a rotating mode, a first guide wheel (13) is arranged at the end portion of the first adjusting rod (12), a second adjusting rod (14) is connected to the second hinge shaft (11) in a rotating mode, and a second guide wheel (15) is arranged at the end portion of the second adjusting rod (14).
2. A chemistry laboratory test tube holding apparatus according to claim 1, wherein: the two springs (7) are symmetrically arranged by taking the support rod (6) as a center, and the springs (7) are compression springs.
3. A chemistry laboratory test tube holding apparatus according to claim 1, wherein: and rubber pads are fixedly connected to the adjacent inner walls of the arc-shaped sliding cavity (3) and the arc-shaped limiting plate (9).
4. A chemistry laboratory test tube holding apparatus according to claim 1, wherein: the first adjusting rod (12) and the second adjusting rod (14) are both arranged inside the arc-shaped sliding cavity (3), and the first adjusting rod (12) and the second adjusting rod (14) are both arc-shaped.
5. A chemistry laboratory test tube holding apparatus according to claim 1, wherein: the first guide wheel (13) and the second guide wheel (15) are both in contact with the inner wall of the arc-shaped sliding cavity (3).
6. A chemistry laboratory test tube holding apparatus according to claim 1, wherein: the surface of regulating block (8) cladding has the rubber sleeve, and the surface of rubber sleeve is provided with anti-skidding granule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921215190.3U CN210279249U (en) | 2019-07-30 | 2019-07-30 | Chemistry experiment room test tube fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921215190.3U CN210279249U (en) | 2019-07-30 | 2019-07-30 | Chemistry experiment room test tube fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210279249U true CN210279249U (en) | 2020-04-10 |
Family
ID=70105344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921215190.3U Expired - Fee Related CN210279249U (en) | 2019-07-30 | 2019-07-30 | Chemistry experiment room test tube fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210279249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841690A (en) * | 2020-07-17 | 2020-10-30 | 四川炯测环保技术有限公司 | Device for storing water sample fixing agent |
-
2019
- 2019-07-30 CN CN201921215190.3U patent/CN210279249U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841690A (en) * | 2020-07-17 | 2020-10-30 | 四川炯测环保技术有限公司 | Device for storing water sample fixing agent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210730 |