CN218834574U

CN218834574U - Test tube clamp for experiments with bearing function

Info

Publication number: CN218834574U
Application number: CN202222006126.2U
Authority: CN
Inventors: 程丽贤
Original assignee: Colpalmer Experimental Equipment Shanghai Co ltd
Current assignee: Colpalmer Experimental Equipment Shanghai Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-04-11
Anticipated expiration: 2032-08-01

Abstract

The utility model belongs to the technical field of the experiment auxiliary appliance is relevant, a test tube clamp for experiments with supporting function is provided, which comprises a clamping mechanism arranged on a frame, a supporting mechanism, a linkage mechanism and an angle adjusting mechanism, wherein the switching of the clamping state of the clamping mechanism is realized by the positive and negative rotation of a first clamping gear; the supporting mechanism is arranged on the rack and positioned below the clamping mechanism, and the rotating angle of the supporting mechanism towards the direction far away from the arc-shaped clamping plate is adjusted through the angle adjusting mechanism; the angle adjusting mechanism comprises two rotating shafts and two sliding rods, the two rotating shafts are respectively positioned at the top and the bottom of the bearing mechanism and are respectively connected with the two sides of the bearing mechanism, and the end part of each rotating shaft, far away from the bearing mechanism, is rotatably connected with the rack; the supporting mechanism who is used for supporting the test tube sets up at fixture, adjusts the angle of supporting mechanism through angle adjustment mechanism, loosens the back with the test tube at fixture, with supporting mechanism towards operator's one side slope, is convenient for take out the test tube.

Description

Test tube clamp for experiments with bearing function

Technical Field

The utility model belongs to the technical field of the experiment appurtenance is relevant, especially, relate to a test tube clamp for experiments with bearing function.

Background

In the experiment that needs used the test tube, carry out the centre gripping to the test tube through the test tube clamp usually, traditional test tube clamp only carries out the centre gripping to the test tube to when the test tube is taken off to needs, need one hand to hold the test tube, the test tube clamp is adjusted to the other hand, and then there is the inconvenient problem of test tube of taking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test tube clamp for experiments with bearing function, when aiming at solving to take off the test tube from the test tube clamp, need hold the test tube on one hand, the test tube clamp is adjusted to the other hand, and then there is the inconvenient problem of test tube of taking.

The embodiment of the utility model provides a realize like this, a test tube clamp for experiments with bearing function, including the fixture who installs in the frame, the switching of fixture centre gripping state is realized through the positive and negative rotation of first centre gripping gear, still includes bearing mechanism, link gear and angle adjustment mechanism; the supporting mechanism is arranged on the rack and positioned below the clamping mechanism, and the rotating angle of the supporting mechanism towards the direction far away from the arc-shaped clamping plate is adjusted through the angle adjusting mechanism; angle adjustment mechanism is including pivot and the slide bar that is located bearing mechanism top and bottom respectively, the pivot is equipped with two and is connected with bearing mechanism both sides respectively, bearing mechanism's tip is kept away from in the pivot rotates with the frame to be connected, and the rotation of pivot drives through link gear, link gear still is connected with first centre gripping gear, the slide bar is equipped with two and is connected with bearing mechanism's both sides respectively, the slide bar is kept away from the arc guide way sliding connection of seting up on bearing mechanism's the tip and the frame conch wall, the centre of a circle of arc guide way coincides with the centre of a circle of pivot.

Preferably, the linkage mechanism comprises a lifting screw, a first linkage gear, a second linkage gear, a first bevel gear, a second linkage gear, a connecting rod, a linkage shaft and a third bevel gear, the first linkage gear is arranged at the bottom of the first clamping gear at intervals and is rotationally connected with the frame, a threaded hole coincident with the circle center of the first clamping gear is formed in the first linkage gear, the lifting screw is inserted into the first clamping gear and is in threaded connection with the lifting screw, the lifting screw is also in threaded fit with the threaded hole of the first linkage gear, the lifting screw is also in sliding connection with the frame through a connecting piece, the lifting screw makes reciprocating linear motion towards the direction of the supporting mechanism, one side of the first linkage gear is also in meshed connection with the second linkage gear, the second linkage gear is rotationally connected with the rack through a connecting rod, a first bevel gear is further installed on the periphery of the connecting rod, the first bevel gear is meshed with a second bevel gear, one end, far away from the first bevel gear, of the second bevel gear is connected with a third bevel gear through a linkage shaft, the third bevel gear is meshed with a fourth bevel gear installed on the periphery of one of the rotating shafts, when the clamping mechanism is located in a clamping state, an interval is reserved between the end portion, close to the first linkage gear, of the lifting screw rod and the first linkage gear, when the clamping mechanism is switched to a loosening state from the clamping state, the lifting screw rod moves towards the direction of the first linkage gear, and the bearing mechanism swings towards the direction far away from the arc-shaped clamping plate.

Preferably, the connecting piece comprises a sliding block, the sliding block is fixedly connected with the end part of the lifting screw far away from the first linkage gear, and the sliding block is further connected with a sliding groove arranged on the rack in a sliding manner.

Preferably, fixture includes second centre gripping gear, swinging arms and arc grip block, the arc grip block is equipped with two and interval setting in the both sides of supporting mechanism, two the one end of arc grip block is respectively through swinging arms and two second centre gripping gear connection, wherein the one end of swinging arms is articulated with the arc grip block, and the other end and second centre gripping gear fixed connection, two second centre gripping gear meshing is connected and is rotated with the frame respectively and be connected, one of them second centre gripping gear still is connected with first centre gripping gear meshing.

Preferably, fixture still includes two supplementary articulated arms, two supplementary articulated arms are located the interval department between two arc grip blocks and are connected with two arc grip blocks respectively, and every supplementary articulated arm's both ends are articulated with arc grip block, frame respectively, and when two when the arc grip block is located the clamping state, centre gripping center between two arc grip blocks and the bearing center of supporting mechanism coincide at the perpendicular.

Preferably, the supporting mechanism comprises a supporting seat with a supporting groove formed in the top, a rotating shaft and a sliding rod are mounted on the side wall of the supporting seat, and the center of the supporting groove is a supporting center.

1. The embodiment of the utility model provides a set up the bearing mechanism who is used for supporting the test tube at fixture, but also adjust the angle of bearing mechanism through angle adjustment mechanism to can loosen the test tube at fixture after, incline bearing mechanism towards operator's one side, play the effect of being convenient for take out the test tube; the problem of when taking off the test tube from the test tube clamp, need hold the test tube by one hand, the test tube clamp is adjusted to the other hand, and then has the test tube inconvenient of taking is solved.

2. The embodiment of the utility model provides a link gear can drive bearing mechanism again after fixture loosens the test tube through link gear's effect and swing towards the direction of keeping away from the arc grip block, plays the effect of being convenient for take out the test tube from bearing mechanism.

Drawings

Fig. 1 is a three-dimensional view of an experimental test tube clamp with a supporting function according to an embodiment of the present invention;

fig. 2 is a partial three-dimensional view of an experimental test tube clamp with a supporting function according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of an experimental test tube clamp with a supporting function according to an embodiment of the present invention in a top view;

fig. 4 is a cross-sectional view of the side view state of the experimental test tube clamp with a supporting function provided by the embodiment of the present invention.

In the drawings: 1. a frame; 2. an arc-shaped clamping plate; 3. an auxiliary hinge rod; 4. a lifting screw; 5. a first linkage gear; 6. a first bevel gear; 7. a second linkage gear; 8. a bearing seat; 9. a supporting groove; 10. a fourth bevel gear; 11. a rotating shaft; 12. a linkage shaft; 13. a second bevel gear; 14. a connecting rod; 15. a swing lever; 16. a chute; 17. a slider; 18. a first clamping gear; 19. a second clamping gear; 20. a third bevel gear; 21. a slide bar; 22. an arc-shaped guide groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1 to 4, an experimental test tube clamp with a supporting function according to an embodiment of the present invention includes a clamping mechanism mounted on a frame 1, wherein the clamping mechanism is switched between a clamping state and a clamping state by forward and backward rotation of a first clamping gear 18, and further includes a supporting mechanism, a linkage mechanism, and an angle adjusting mechanism; the supporting mechanism is arranged on the rack 1 and is positioned below the clamping mechanism, and the rotating angle of the supporting mechanism towards the direction far away from the arc-shaped clamping plate 2 is adjusted through the angle adjusting mechanism; angle adjustment mechanism is including pivot 11 and the slide bar 21 that is located bearing mechanism top and bottom respectively, pivot 11 is equipped with two and is connected with the bearing mechanism both sides respectively, bearing mechanism's tip is kept away from in pivot 11 rotates with frame 1 to be connected, and the rotation of pivot 11 passes through the link gear and drives, the link gear still is connected with first centre gripping gear 18, slide bar 21 is equipped with two and is connected with the both sides of bearing mechanism respectively, slide bar 21 keeps away from the arc guide way 22 sliding connection of seting up on bearing mechanism's tip and the 1 conch wall of frame, the centre of a circle of arc guide way 22 and the coincidence of the centre of a circle of pivot 11.

In this embodiment, the first clamping gear 18 is rotatably connected to the frame 1.

The utility model discloses an embodiment, put the test tube in the bearing mechanism during the experiment, then through the fixture centre gripping, after the experiment, fixture loosens the test tube, in the centre gripping all can drive first centre gripping gear 18 rotation with the in-process that loosens, first centre gripping gear 18 drives pivot 11 rotation through the effect of link gear, when unclamping the test tube just drive the bearing mechanism towards the direction swing of keeping away from fixture through the rotation of pivot 11, the slide bar 21 of bottom slides in arc guide way 22 this moment, arc guide way 22 can provide the effect of direction for the swing of bearing mechanism, thereby be convenient for take out the test tube from the bearing mechanism.

As shown in fig. 1 to 4, as a preferred embodiment of the present invention, the linkage mechanism includes a lifting screw 4, a first linkage gear 5, a second linkage gear 13, a first bevel gear 6, a second linkage gear 7, a connecting rod 14, a linkage shaft 12 and a third bevel gear 20, the first linkage gear 5 is arranged at the bottom of the first clamping gear 18 at intervals and is rotationally connected with the frame 1, a threaded hole which is superposed with the circle center of the first clamping gear 18 is arranged on the first linkage gear 5, a lifting screw rod 4 is inserted into the first clamping gear 18 and is in threaded connection with the lifting screw rod 4, the lifting screw rod 4 is also in threaded fit with a threaded hole of the first linkage gear 5, the lifting screw rod 4 is also in sliding connection with the machine frame 1 through a connecting piece, the lifting screw rod 4 makes reciprocating linear motion towards the direction of the supporting mechanism, one side of the first linkage gear 5 is also connected with a second linkage gear 7 in a meshing manner, the second linkage gear 7 is rotationally connected with the machine frame 1 through a connecting rod 14, a first bevel gear 6 is further mounted on the periphery of the connecting rod 14, the first bevel gear 6 is meshed with a second bevel gear 13, one end of the second bevel gear 13 far away from the first bevel gear 6 is connected with a third bevel gear 20 through a linkage shaft 12, the third bevel gear 20 is engaged with a fourth bevel gear 10 installed on the periphery of one of the rotating shafts 11, when the clamping mechanism is in a clamping state, a gap is formed between the end part of the lifting screw rod 4 close to the first linkage gear 5 and the first linkage gear 5, when the clamping mechanism is switched from the clamping state to the loosening state, the lifting screw rod 4 moves towards the direction of the first linkage gear 5, and the bearing mechanism swings towards the direction far away from the arc-shaped clamping plate 2.

In one aspect of this embodiment, the connecting member includes a sliding block 17, the sliding block 17 is fixedly connected to an end portion of the lifting screw 4 away from the first linkage gear 5, and the sliding block 17 is further slidably connected to a sliding groove 16 formed in the frame 1.

In another case of this embodiment, since the clamping mechanism drives the first clamping gear 18 to rotate during clamping and unclamping, when the test tube is placed in the position of the supporting mechanism and the clamping mechanism clamps the test tube, there is a gap between the end of the lifting screw 4 close to the first linkage gear 5 and the first linkage gear 5; work as fixture switches to the in-process of unclamping the state by the clamping state, lifting screw 4 is earlier the direction motion towards first linkage gear 5, moves to the threaded hole that inserts first linkage gear 5 and when continuing to descend when lifting screw 4, and lifting screw 4 can drive first linkage gear 5 and rotate, and first linkage gear 5 drives second bevel gear 13 and rotates to the realization drives bearing mechanism towards the direction swing of keeping away from arc grip block 2 again after fixture unclamps the test tube, and then is convenient for take out the test tube from bearing mechanism.

As shown in fig. 1-4, as a preferred embodiment of the present invention, the clamping mechanism includes a second clamping gear 19, a swinging rod 15 and an arc-shaped clamping plate 2, the arc-shaped clamping plate 2 is provided with two and spaced two sides of the supporting mechanism, two one end of the arc-shaped clamping plate 2 is connected with the two second clamping gears 19 through the swinging rod 15, respectively, wherein one end of the swinging rod 15 is hinged to the arc-shaped clamping plate 2, the other end is fixedly connected with the second clamping gear 19, two the second clamping gear 19 is engaged and connected with the frame 1, and one of the second clamping gear 19 is engaged and connected with the first clamping gear 18.

In order to play supplementary effect to the centre gripping action of two arc grip blocks 2, in a condition of this embodiment, fixture still includes two supplementary articulated arms 3, two supplementary articulated arms 3 are located the interval department between two arc grip blocks 2 and are connected with two arc grip blocks 2 respectively, and every supplementary articulated arms 3's both ends are articulated with arc grip block 2, frame 1 respectively, work as two when arc grip block 2 is located the clamping state, centre gripping between two arc grip blocks 2 and bearing mechanism's bearing center coincide at the perpendicular.

In another case of this embodiment, the supporting mechanism comprises a supporting base 8 with a supporting groove 9 formed at the top, the side wall of the supporting base 8 is provided with a rotating shaft 11 and a sliding rod 21, and the center of the supporting groove 9 is the supporting center.

In a condition of this embodiment, during the use, insert the test tube in bearing groove 9, then through the corotation of one of them second centre gripping gear 19 of motor drive, thereby drive two arc grip blocks 2 through the effect of swinging arms 15 and carry out the in-process support block 8 that centre gripping to the test tube towards the angle swing that is close to each other and drive support block 8 and put forward, also can manually promote support block 8 and put forward the back, lifting screw 4 revolves out from first linkage gear 5 in, can link two arc grip blocks 2 towards the direction motion that is close to each other in this process, then further centre gripping the test tube through the corotation of motor drive second centre gripping gear 19 again; when the test tube is loosened to needs, the 19 reversals of second centre gripping gear, it descends to drive lifting screw 4, when lifting screw 4 begins to insert in first linkage gear 5, interval between two arc grip blocks 2 is greater than the test tube external diameter, the test tube can move about between two arc grip blocks 2, continue to open along with two arc grip blocks 2, lifting screw 4 continues to descend, thereby it is rotatory towards the direction of keeping away from arc grip block 2 to drive bearing seat 8 through link gear's effect, make bearing seat 8's top towards 1 lopsidedness of frame, play the effect of being convenient for take out the test tube in the bearing groove 9.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The experimental test tube clamp with the bearing function comprises a clamping mechanism arranged on a rack (1), wherein the clamping state of the clamping mechanism is switched by positive and negative rotation of a first clamping gear (18), and the experimental test tube clamp is characterized by further comprising a bearing mechanism, a linkage mechanism and an angle adjusting mechanism;

the supporting mechanism is arranged on the rack (1) and is positioned below the clamping mechanism, and the rotating angle of the supporting mechanism towards the direction far away from the arc-shaped clamping plate (2) is adjusted through the angle adjusting mechanism;

the angle adjusting mechanism comprises a rotating shaft (11) and a sliding rod (21) which are respectively positioned at the top and the bottom of the supporting mechanism, two rotating shafts (11) are respectively connected with two sides of the supporting mechanism, the end part, far away from the supporting mechanism, of each rotating shaft (11) is rotatably connected with the rack (1), the rotating shafts (11) are driven by a linkage mechanism, the linkage mechanism is further connected with a first clamping gear (18), two sliding rods (21) are respectively connected with two sides of the supporting mechanism, the end part, far away from the supporting mechanism, of each sliding rod (21) is slidably connected with an arc-shaped guide groove (22) formed in the wall of the rack (1), the circle center of each arc-shaped guide groove (22) is coincided with the circle center of the corresponding rotating shaft (11), the linkage mechanism comprises a lifting screw (4), a first linkage gear (5), a first bevel gear (13), a first bevel gear (6), a second linkage gear (7), a connecting rod (14), a linkage shaft (12) and a third bevel gear (20), the first linkage gear (5) is arranged at the bottom of the first clamping gear (18) at intervals and is connected with the rack (1) in a rotating manner, the first clamping gear (4) is provided with the circle center of the first linkage gear (4), the first linkage gear (4) and a screw hole (18) is inserted in threaded connection with the lifting screw (4), the lifting screw (4) is in threaded fit with a threaded hole of the first linkage gear (5), the lifting screw (4) is in sliding connection with the rack (1) through a connecting piece, the lifting screw (4) makes reciprocating linear motion towards the direction of the supporting mechanism, one side of the first linkage gear (5) is connected with a second linkage gear (7) in a meshed mode, the second linkage gear (7) is in rotating connection with the rack (1) through a connecting rod (14), a first bevel gear (6) is further installed on the periphery of the connecting rod (14), the first bevel gear (6) is connected with a second bevel gear (13) in a meshed mode, one end, far away from the first bevel gear (6), of the second bevel gear (13) is connected with a third bevel gear (20) through a linkage shaft (12), the third bevel gear (20) is connected with a fourth bevel gear (10) installed on the periphery of one rotating shaft (11) in a meshed mode, when the clamping mechanism is located in a clamping state, the end, close to the first linkage gear (5), a linkage gear (5) is located between the end, and when the clamping mechanism is in a clamping state, the clamping mechanism is in a swinging direction, the clamping mechanism is switched to the lifting screw (4) and the swinging direction, and the clamping mechanism is switched to the supporting mechanism (2).

2. The test tube clamp with the bearing function for the experiment as claimed in claim 1, wherein the connecting member comprises a sliding block (17), the sliding block (17) is fixedly connected with the end portion, far away from the first linkage gear (5), of the lifting screw (4), and the sliding block (17) is further connected with a sliding groove (16) formed in the frame (1) in a sliding manner.

3. The test tube clamp with the bearing function for the experiment is characterized in that the clamping mechanism comprises second clamping gears (19), a swing rod (15) and arc-shaped clamping plates (2), two arc-shaped clamping plates (2) are arranged at two sides of the clamping mechanism at intervals, one end of each of the two arc-shaped clamping plates (2) is connected with the two second clamping gears (19) through the swing rod (15), one end of each swing rod (15) is hinged to the corresponding arc-shaped clamping plate (2), the other end of each swing rod is fixedly connected with the corresponding second clamping gear (19), the two second clamping gears (19) are connected in a meshed mode and are respectively connected with the rack (1) in a rotating mode, and one of the second clamping gears (19) is further connected with the first clamping gear (18) in a meshed mode.

4. The test tube clamp with the bearing function for the experiment according to any one of claims 1-3, wherein the clamping mechanism further comprises two auxiliary hinge rods (3), the two auxiliary hinge rods (3) are located at the interval between the two arc-shaped clamping plates (2) and are respectively connected with the two arc-shaped clamping plates (2), two ends of each auxiliary hinge rod (3) are respectively hinged with the arc-shaped clamping plates (2) and the frame (1), and when the two arc-shaped clamping plates (2) are located in the clamping state, the clamping center between the two arc-shaped clamping plates (2) and the bearing center of the bearing mechanism coincide in a vertical plane.

5. The test tube clamp with the bearing function for the experiment as claimed in claim 4, wherein the bearing mechanism comprises a bearing seat (8) with a bearing groove (9) formed at the top, a rotating shaft (11) and a sliding rod (21) are mounted on the side wall of the bearing seat (8), and the center of the bearing groove (9) is a bearing center.