CN210646481U

CN210646481U - Clamping device for flask

Info

Publication number: CN210646481U
Application number: CN201921100604.8U
Authority: CN
Inventors: 李晓敏
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-02
Anticipated expiration: 2029-07-15

Abstract

The utility model belongs to the technical field of the anchor clamps technique and specifically relates to a clamping device for flask is related to, the utility model discloses an iron stand platform is fixed with the dead lever on, is equipped with solid fixed cylinder on the dead lever, and sliding fixture is equipped with the slide bar in the solid fixed cylinder, and the bottom of slide bar is equipped with anchor clamps, is equipped with first retaining member on the solid fixed cylinder. The flask is clamped and fixed through the clamp, and the height of the flask is adjusted through the sliding of the sliding rod in the fixed cylinder, so that the water bath effect is ensured, and the experimental efficiency of a water bath experiment is improved; can fix the slide bar locking in fixed cylinder through first retaining member to the stability of flask in the water bath process has been guaranteed. The utility model provides the high experimental efficiency of water bath experiment.

Description

Clamping device for flask

Technical Field

The utility model belongs to the technical field of the anchor clamps technique and specifically relates to a clamping device for flask is related to.

Background

When the solution requires a long reaction time, a flask is generally selected as the container. When the solution in the flask is used for a water bath experiment, the flask is clamped and fixed by using a clamp firstly, and then the clamp is arranged on an iron support outside a water bath container to be fixed.

In order to immerse the flask in the liquid in the water bath container as much as possible, the clamp is required to be tightly attached to the upper end of the water bath container, and meanwhile, the liquid level of the solution in the water bath container is required to be as high as possible so as to meet the water bath effect on the flask.

However, in the flask with a low height, since the solution is only present at the bottom of the flask, if the water bath container is filled with water, the water bath effect on the solution in the flask can be ensured, but the heating speed is slow due to a large amount of water, which affects the experimental efficiency of the water bath experiment, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

The not enough to above-mentioned prior art, the utility model aims at providing a clamping device for flask has improved the experimental efficiency of water bath experiment.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a clamping device for flask, including the iron stand platform of locating water bath container one side, be fixed with the dead lever that is located water bath container upside on the iron stand platform, the dead lever is kept away from directly over the one end of iron stand platform is located water bath container, the dead lever is kept away from and is served in one of iron stand platform and is equipped with the solid fixed cylinder that extends along vertical direction, it is equipped with the slide bar to slide to inlay in the solid fixed cylinder, the bottom of slide bar is equipped with the anchor clamps that are used for the centre gripping flask, be equipped with on the solid fixed cylinder.

By adopting the technical scheme, the flask is clamped and fixed through the clamp, then the height of the flask is adjusted through the sliding of the sliding rod in the fixed cylinder, when the flask is moved and the bottom of the flask is arranged in a gap with the bottom of the water bath container, only water overflowing the liquid level of the solution in the flask is added into the water bath container, so that the water bath effect is ensured, and the experimental efficiency of a water bath experiment is improved; can fix the slide bar locking in fixed cylinder through first retaining member to the stability of flask in the water bath process has been guaranteed.

The utility model discloses further set up to: the outer wall of the fixed cylinder is provided with a threaded through groove, the first locking piece is a bolt in threaded fit with the threaded through groove, and the bolt abuts against the side wall of the sliding rod.

Through adopting above-mentioned technical scheme, through screwing up the bolt and support tightly in the slide bar lateral wall, can support tightly the slide bar to fix in fixed section of thick bamboo to guarantee the stability of flask.

The utility model discloses further set up to: the inner wall of the fixed cylinder is provided with a chute communicated with the threaded through groove, the chute is internally and slidably provided with a butting block which is pushed by the rotation of the bolt to butt against the side wall of the slide bar, and the bolt is rotatably connected with the butting block.

Through adopting above-mentioned technical scheme, can drive through rotatory bolt and support the tight piece and slide in the spout and support tightly in the slide bar lateral wall, support the area of contact between tight piece and the slide bar and be greater than the area of contact between bolt and the slide bar to the tight fixed effect of supporting of slide bar has been improved.

The utility model discloses further set up to: one side of the abutting block towards the sliding rod is fixed with a clamping tooth, a plurality of clamping grooves which are sequentially arranged along the extension direction of the sliding rod are formed in the side wall of the sliding rod, and the clamping tooth is clamped in the clamping grooves.

Through adopting above-mentioned technical scheme, can will drive the latch joint on the tight piece in the draw-in groove through rotatory bolt for the tight fixed transform of supporting of tight piece to the slide bar is fixed to the joint of slide bar to the latch, thereby has further improved the tight fixed effect of supporting to the slide bar.

The utility model discloses further set up to: the anchor clamps are including locating the mount of slide bar bottom, are equipped with two sets of "L" shape settings and the common holder of centre gripping in the flask that are on the mount, be equipped with same slide along the horizontal direction on two sets of holders and connect in the slider of mount, the holder is including rotating the second grip block of connecting in the first grip block of mount and rotating the connection in the slider, first grip block rotates and connects in the second grip block, thereby be equipped with the drive slider on the mount and slide and keep away from in the slide bar and make the drive piece of two sets of holders centre gripping in the flask.

Through adopting above-mentioned technical scheme, place the flask between two sets of holders earlier, the rethread drives the slider and slides and keep away from in the slide bar, and first grip block and second grip block will rotate in step, and contained angle between the two with grow and common centre gripping in the flask, realized the centre gripping to different specification flasks, and only need can stabilize centre gripping, convenient operation with the flask through driving.

The utility model discloses further set up to: the driving piece is a spring, and two ends of the spring are respectively connected to the fixed frame and the sliding block.

By adopting the technical scheme, before the flask is clamped, the sliding block needs to slide close to the sliding rod and urge the spring to be in a deformation state, and the included angle between the first clamping plate and the second clamping plate is reduced, so that the first clamping plate and the second clamping plate can clamp the large-size flask; after the flask is placed between two sets of holders, the spring will reply to natural state and drive the slider and slide and keep away from in the slide bar, and first grip block and second grip block will rotate in step, and contained angle between the two will grow and centre gripping in the flask jointly, have realized the centre gripping to different specification flasks.

The utility model discloses further set up to: the limiting device is characterized in that a limiting rod is fixed on the sliding block, a limiting barrel for the limiting rod to be embedded in a sliding mode is fixed on the fixing frame, the extending directions of the limiting rod and the limiting barrel are the same as the sliding direction of the sliding block, a plurality of through grooves are formed in the outer wall of the limiting barrel in the circumferential direction, abutting balls are embedded in the through grooves in a rolling mode, and pushing pieces for pushing all the abutting balls to abut against the side wall of the limiting rod are arranged on the limiting barrel.

By adopting the technical scheme, in the sliding process of the sliding block, the limiting rod slides in the limiting barrel, after the two groups of first clamping plates and the two groups of second clamping plates are clamped in the flask together, all the clamping balls are driven to be tightly clamped on the side wall of the limiting rod through the pushing piece, the sliding block can be locked and fixed, and therefore the clamping effect of the two groups of clamping pieces on the flask is improved.

The utility model discloses further set up to: the pushing piece is a pushing ring which is sleeved outside the limiting cylinder in a sliding mode, a pushing face which inclines towards the limiting rod is arranged at one end, facing the tight ball, of the pushing ring, the surface, facing the tight ball, protrudes out of the penetrating groove and abuts against the pushing face, and a second locking piece used for locking and fixing the pushing ring is arranged on the limiting cylinder.

Through adopting above-mentioned technical scheme, through sliding the promotion ring and being close to in supporting tight ball, can make the promotion face contradict in all support tight ball surfaces to impel to support tight ball and support tightly in the gag lever post lateral wall, thereby it is fixed to lock the slider.

To sum up, the utility model discloses following beneficial effect has:

1. the arrangement of the fixed cylinder, the slide bar and the bolt can adjust the height of the flask, and only water overflowing the liquid level of the solution in the flask needs to be added into the water bath container, so that the experimental efficiency of the water bath experiment is improved;

2. the fixing frame, the first clamping plates, the second clamping plates, the sliding blocks and the springs are arranged, so that the two groups of first clamping plates and the two groups of second clamping plates are clamped on the flasks together, the flasks with different specifications are clamped, the flasks can be stably clamped only through the springs, and the experimental efficiency of a water bath experiment is improved;

3. the setting of gag lever post, spacing section of thick bamboo, push ring, support tight ball can be fixed the slide bar locking on the mount, has improved the centre gripping effect of two sets of holders to the flask.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is a schematic sectional structure view of the whole in the embodiment of the present invention;

FIG. 3 is an enlarged partial schematic view at A in FIG. 2;

fig. 4 is a schematic structural diagram illustrating a fixing frame according to an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view at B in fig. 2.

In the figure: 1. an iron stand; 11. fixing the rod; 12. a fixed cylinder; 13. a slide bar; 14. a bolt; 15. a chute; 16. a propping block; 17. clamping teeth; 18. a card slot; 2. a fixed mount; 21. a clamping member; 22. a slider; 23. a first clamping plate; 24. a second clamping plate; 25. a limiting groove; 26. a spring; 3. a limiting rod; 31. a limiting cylinder; 32. a through groove; 33. tightly pressing the ball; 34. a push ring; 35. pushing the surface; 36. a threaded segment.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a clamping device for flask, including locating the iron stand platform 1 of water bath container one side, be fixed with the dead lever 11 that is located the water bath container upside on the iron stand platform 1, dead lever 11 is kept away from the one end that iron stand platform 1 is located the water bath container directly over, and should serve and be fixed with along the solid fixed cylinder 12 of vertical direction extension, sliding fit is equipped with slide bar 13 in the solid fixed cylinder 12, slide bar 13's bottom is equipped with the anchor clamps (see fig. 2) that are used for the centre gripping flask, can adjust the height that the flask is located through the slip of slide bar 13 in solid fixed cylinder 12, only need to add in the water bath container to spill the water of solution liquid level in the flask can, the experimental efficiency of water bath experiment has been improved again when having guaranteed.

As shown in fig. 3, a threaded through groove is formed in the outer wall of the fixed cylinder 12, a first locking member is arranged in the threaded through groove, the first locking member is a bolt 14 in threaded fit with the threaded through groove, the end of the bolt 14 is rotatably connected with a resisting block, and an arc-shaped surface attached to the side wall of the sliding rod 13 is arranged on one side, facing the sliding rod 13, of the resisting block; a sliding groove 15 communicated with the threaded through groove is formed in the inner wall of the fixed cylinder 12, and the abutting block is embedded in the sliding groove 15 in a sliding manner; one side of the abutting block facing the sliding rod 13 is fixed with a latch 17, the side wall of the sliding rod 13 is provided with a plurality of clamping grooves 18 which are sequentially arranged along the extending direction of the sliding rod 13, and the latch 17 is clamped in the clamping grooves 18. The clamping teeth 17 on the driving abutting block can be clamped in the clamping grooves 18 by rotating the bolt 14, so that the sliding rod 13 is clamped and fixed in the fixed cylinder 12, and the stability of the flask in the use process is ensured.

As shown in fig. 4, the fixture includes a fixing frame 2 fixed at the bottom of the sliding rod 13, the fixing frame 2 is in a frame shape, two sets of clamping pieces 21 arranged in an "L" shape are arranged on the fixing frame 2, two sets of clamping pieces 21 are provided with a same sliding block 22, the clamping pieces 21 are connected to a first clamping plate 23 of the fixing frame 2 in a rotating manner and connected to a second clamping plate 24 of the sliding block 22 in a rotating manner, the first clamping plate 23 is connected to the second clamping plate 24 in a rotating manner, a limiting groove 25 for the sliding and embedding of the sliding block 22 is arranged on the inner walls of two opposite sides of the fixing frame 2, and the limiting groove 25 extends along the horizontal direction, so that the sliding block 22 can slide along the horizontal direction and drive.

As shown in fig. 4, two sets of driving members are arranged on the fixed frame 2, the driving members are springs 26, two ends of each spring 26 are respectively and fixedly connected to the fixed frame 2 and the sliding block 22, when the springs 26 are in a natural state, the first clamping plate 23 and the second clamping plate 24 are located on the same plane, so that after a flask is placed between the two sets of clamping members 21, the springs 26 drive the two sets of clamping members 21 to clamp the flask.

As shown in fig. 4, a limiting rod 3 is fixed on the sliding block 22, a limiting cylinder 31 for slidably embedding the limiting rod 3 is fixed on the fixing frame 2, and the extending directions of the limiting rod 3 and the limiting cylinder 31 are the same as the sliding direction of the sliding block 22. As shown in fig. 5, two sets of through grooves 32 are circumferentially formed in the outer wall of the limiting cylinder 31, a holding ball 33 is embedded in the through grooves 32 in a rolling manner, and the surface of the holding ball 33 protrudes out of the through grooves 32; the limiting cylinder 31 is provided with a pushing part, the pushing part is a pushing ring 34 which is sleeved outside the limiting cylinder 31 in a sliding manner, and one end of the pushing ring 34 facing the abutting ball 33 is provided with a pushing surface 35 which inclines towards the limiting rod 3. After the two sets of first clamping plates 23 and the two sets of second clamping plates 24 are clamped in the flask together, the sliding block 22 can be locked and fixed by abutting the pushing surface 35 on the pushing ring 34 against the surfaces of all the abutting balls 33.

As shown in fig. 5, the limiting cylinder 31 is provided with a second locking member, the second locking member is a threaded section 36 arranged on the outer wall of the limiting cylinder 31, the inner wall of the push ring 34 is provided with a threaded groove in threaded fit with the threaded section 36, and the push ring 34 is locked and fixed on the limiting cylinder 31 by the fit of the threaded section 36 and the threaded groove.

The implementation principle of the embodiment is as follows: slide block 22 earlier and be close to slide bar 13, place the flask between two sets of holders 21 again, then loosen the pressing to slide block 22, spring 26 will drive slide block 22 and slide and keep away from slide bar 13, and first grip block 23 and second grip block 24 will rotate in step, and the contained angle between the two will grow and centre gripping in the flask jointly, have realized the centre gripping to different specification flasks.

In the sliding process of the sliding block 22, the limiting rod 3 slides in the limiting cylinder 31, after the two groups of clamping pieces 21 are clamped in the flask, the pushing ring 34 is rotated to make the pushing surface 35 abut against the surfaces of all the abutting balls 33, and the abutting balls 33 abut against the side wall of the limiting rod 3, so that the limiting rod 3 and the sliding block 22 are locked and fixed, and the stability of the two groups of clamping pieces 21 for clamping the flask is ensured.

Then adjust the height that the flask was located through the slip of slide bar 13 in fixed cylinder 12, wait that the flask altitude mixture control accomplishes the back, screw up bolt 14 and make to support tightly the piece and support tightly in slide bar 13 lateral wall to make latch 17 joint in draw-in groove 18, slide bar 13 will be fixed in fixed cylinder 12 by the joint, in order to guarantee the stability of flask in the water bath experiment.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a clamping device for flask, is fixed with dead lever (11) that are located water bath container upside including iron stand platform (1) of locating water bath container one side on iron stand platform (1), and dead lever (11) are kept away from the one end of iron stand platform (1) and are located water bath container directly over, its characterized in that: dead lever (11) are kept away from and are served fixed cylinder (12) that extend along vertical direction in one of iron stand platform (1), and sliding fit is equipped with slide bar (13) in fixed cylinder (12), and the bottom of slide bar (13) is equipped with the anchor clamps that are used for the centre gripping flask, is equipped with on fixed cylinder (12) to be used for locking fixed first retaining member with slide bar (13).

2. A clamping device for a flask as claimed in claim 1, wherein: the outer wall of the fixed cylinder (12) is provided with a threaded through groove, the first locking piece is a bolt (14) in threaded fit with the threaded through groove, and the bolt (14) abuts against the side wall of the sliding rod (13).

3. A clamping device for a flask as claimed in claim 2, wherein: the inner wall of the fixed cylinder (12) is provided with a sliding groove (15) communicated with the threaded through groove, the sliding groove (15) is internally embedded with a pressing block (16) which is rotationally pushed by a bolt (14) to tightly press against the side wall of the sliding rod (13), and the bolt (14) is rotationally connected with the pressing block (16).

4. A clamping device for a flask as claimed in claim 3, wherein: one side of the abutting block (16) towards the sliding rod (13) is fixed with a clamping tooth (17), the side wall of the sliding rod (13) is provided with a plurality of clamping grooves (18) which are sequentially arranged along the extending direction of the sliding rod (13), and the clamping tooth (17) is clamped in the clamping grooves (18).

5. A clamping device for a flask as claimed in claim 1, wherein: anchor clamps are including locating mount (2) of slide bar (13) bottom, be equipped with on mount (2) two sets ofly and be "L" shape setting and common centre gripping in holder (21) of flask, be equipped with same slide block (22) of connecting in mount (2) along the horizontal direction on two sets of holder (21), holder (21) are including rotating first grip block (23) of connecting in mount (2) and rotating second grip block (24) of connecting in slider (22), first grip block (23) rotate to be connected in second grip block (24), thereby be equipped with on mount (2) and drive slider (22) and slide and keep away from in slide bar (13) and make two sets of holders (21) centre gripping in the driving piece of flask.

6. A clamping device for a flask as claimed in claim 5, wherein: the driving piece is a spring (26), and two ends of the spring (26) are respectively connected to the fixed frame (2) and the sliding block (22).

7. A clamping device for a flask as claimed in claim 6, wherein: the limiting rod (3) is fixed on the sliding block (22), the limiting barrel (31) for the limiting rod (3) to be embedded in a sliding mode is fixed on the fixing frame (2), the extending directions of the limiting rod (3) and the limiting barrel (31) are the same as the sliding direction of the sliding block (22), a plurality of through grooves (32) are circumferentially formed in the outer wall of the limiting barrel (31), the through grooves (32) are internally embedded with the abutting balls (33) in a rolling mode, and pushing pieces for pushing all the abutting balls (33) to abut against the side wall of the limiting rod (3) are arranged on the limiting barrel (31).

8. A clamping device for a flask as claimed in claim 7, wherein: the pushing piece is a pushing ring (34) which is sleeved outside the limiting cylinder (31) in a sliding mode, a pushing face (35) which inclines towards the limiting rod (3) is arranged at one end, facing towards the abutting ball (33), of the pushing ring (34), the surface of the abutting ball (33) protrudes out of the through groove (32) and abuts against the pushing face (35), and a second locking piece used for locking and fixing the pushing ring (34) is arranged on the limiting cylinder (31).