Leakage-proof centrifugal tube with strong sealing property

Abstract

The utility model discloses a leakproof strong-sealing leakproof centrifugal tube which comprises a centrifugal tube body, a tube cover is arranged at the top of the centrifugal tube body, and a locking mechanism is arranged in the tube cover. The locking mechanism comprises an adjusting screw rod, a lifting block, first connecting blocks, second connecting blocks, a sliding block, a connecting rod and a locking rod, the adjusting screw rod is rotationally connected to the interior of the pipe cover, the lifting block is movably connected to the outer portion of the adjusting screw rod in a threaded mode, and the four first connecting blocks are fixedly installed outside the lifting block at equal intervals; the rotary knob drives the adjusting screw rod to rotate, when the adjusting screw rod rotates to drive the surface lifting block to move downwards, the multiple sliding blocks are driven to move outwards through the connecting rods, at the moment, when the sliding blocks move, locking rods on the outer sides are inserted into locking holes in the centrifugal tube body, and therefore the tube cover is locked to the top of the centrifugal tube body. The fixing effect between the tube cover and the centrifugal tube body is enhanced, so that the leakage-proof effect of the centrifugal tube body is improved, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal tube technical field especially is related to a leakproof strong seal formula leakproof centrifugal tube. BACKGROUND

[0002] Centrifugal tube is a kind of common experimental container for laboratory and industrial applications, mainly used for separating and analyzing the particles or components in liquid suspension. Centrifugal tube separates the particles or components in sample by using centrifugal force.

[0003] The existing centrifugal tube is separated by centrifugal force, and the liquid in the centrifugal tube is easy to overflow from the gap between the centrifugal tube and the cover when the cover is not tightened or loose. Therefore, the leakage prevention effect of the centrifugal tube needs to be strengthened. To solve the above-mentioned problems, a leakproof strong seal formula leakproof centrifugal tube is proposed. SUMMARY

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the utility model aims at providing a leakproof strong seal formula leakproof centrifugal tube, which can solve the problem that the liquid in the centrifugal tube is easy to overflow from the gap between the centrifugal tube and the cover when the cover is not tightened or loose.

[0006] To solve the above technical problems, the utility model provides a leakproof strong seal formula leakproof centrifugal tube, which adopts the following technical scheme: including centrifugal tube body, the centrifugal tube body top is equipped with cover, the cover inside is equipped with locking mechanism;

[0007] The locking mechanism includes adjusting screw, lifting block, first connecting block, second connecting block, sliding block, connecting rod and locking rod, the adjusting screw is rotatably connected in the cover, and the adjusting screw is movably connected with the lifting block outside, the lifting block is fixedly installed with four first connecting blocks at equal distance outside, the cover inner cavity bottom is slidably provided with four sliding blocks along the circumferential direction, the second connecting block is fixedly installed on the top of each sliding block, the connecting rod is movably connected between the second connecting block and the first connecting block, and the locking rod is fixedly installed on the side away from each sliding block;

[0008] The connecting sleeve is internally provided with four locking holes equidistantly arranged in the circumferential direction, and each locking rod is respectively inserted into the corresponding locking hole.

[0009] Optionally, the bottom of the inner cavity of the pipe cover is provided with four sliding grooves equidistantly arranged in the circumferential direction, each sliding block is respectively slidingly arranged in the corresponding sliding groove, and the sliding grooves are internally provided with sliding rods fixedly arranged on both sides.

[0010] Optionally, the sliding rod penetrates through the corresponding sliding block, the bottom of the sliding block is slidingly arranged outside the corresponding sliding rod, an elastic spring is sleeved outside the sliding rod, and the elastic spring is located between the sliding block and the inner wall of the sliding groove.

[0011] Optionally, the inner cavity of the pipe cover is embedded and slidingly arranged with a knob, and the knob is fixedly arranged at the top end of the adjusting screw.

[0012] Optionally, the bottom end of the pipe cover is externally sleeved with a sealing sleeve, and the outer side of the sealing sleeve is attached to the inner wall of the centrifugal tube body.

[0013] In summary, the utility model has at least one beneficial effect as follows: 1. By arranging the locking mechanism, when the staff inserts the pipe cover into the top of the centrifugal tube body, the knob is rotated, the knob drives the adjusting screw to rotate, the adjusting screw drives the surface lifting block to move downwards, the connecting rod drives the plurality of sliding blocks to move outward, the locking rod on the outside of the sliding block is inserted into the locking hole on the centrifugal tube body, the pipe cover is locked on the top of the centrifugal tube body, the fixing effect between the pipe cover and the centrifugal tube body is improved, the leakage prevention effect of the centrifugal tube body is improved, and the utility is strong.

[0014] 2. By arranging the sliding groove and the elastic spring in the sliding groove, when the staff rotates the knob to pull out the pipe cover, the sliding block is moved to the adjusting screw direction under the action of the elastic spring and the connecting rod, the locking rod is pulled out of the locking hole on the centrifugal tube body, the sealing effect between the bottom of the pipe cover and the centrifugal tube body is improved by arranging the sealing sleeve, and the utility is strong. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2The whole internal section view schematic diagram of the utility model;

[0018] Figure 3 The utility model discloses a Figure 2 The enlarged schematic view of A in the middle;

[0019] Figure 4 The centrifugal tube body and the tube cover separation structure schematic diagram of the utility model.

[0020] Mark explanation: 1, centrifugal tube body, 2, tube cover, 3, adjusting screw, 4, lifting block, 5, first connecting block, 6, second connecting block, 7, sliding block, 8, connecting rod, 9, locking rod, 10, connecting sleeve, 11, locking hole, 12, sliding slot, 13, sliding rod, 14, extension spring, 15, knob, 16, sealing sleeve. Specific implementation

[0021] The following will be combined with the attached Figures 1-4 The utility model will be further explained in detail.

[0022] Example one, refer to Figures 1-4 In order to be able to solve the problem that the existing centrifugal tube is separated from solid and liquid by centrifugal force, the tube cover is installed on the top of the centrifugal tube by thread connection mode, the liquid in the centrifugal tube is easy to overflow from the gap between the centrifugal tube and the tube cover when the tube cover is not tightened or loose, and the leakage prevention effect of the centrifugal tube needs to be strengthened in the embodiment, the utility model discloses a leakage prevention strong sealing type leakage prevention centrifugal tube,

[0023] Including centrifugal tube body 1, the top of centrifugal tube body 1 is equipped with tube cover 2, and the inside of tube cover 2 is equipped with locking mechanism;

[0024] Locking mechanism includes adjusting screw 3, lifting block 4, first connecting block 5, second connecting block 6, sliding block 7, connecting rod 8 and locking rod 9, adjusting screw 3 is rotatably connected in the inside of tube cover 2, and lifting block 4 is movably connected with the outside of adjusting screw 3, four first connecting blocks 5 are fixedly installed at the outside of lifting block 4 at equal distances, four sliding blocks 7 are slidably arranged at the bottom of the inner cavity of tube cover 2 along the circumferential direction at equal distances, the second connecting block 6 is fixedly installed at the top of each sliding block 7, and the connecting rod 8 is movably hinged between the first connecting block 5 and the second connecting block 6, and the locking rod 9 is fixedly installed on the side away from each sliding block 7.

[0025] Connecting sleeve 10 is fixedly installed at the top of centrifugal tube body 1, four locking holes 11 are formed in the inside of connecting sleeve 10 along the circumferential direction at equal distances, and each locking rod 9 is inserted into the inside of the corresponding locking hole 11.

[0026] The bottom of the inner cavity of the pipe cover 2 is provided with four sliding grooves 12 equidistantly in the circumferential direction, each sliding block 7 is slidably arranged in the corresponding sliding groove 12, and each sliding groove 12 is fixedly provided with a sliding rod 13 on both sides of the inner cavity.

[0027] The sliding rod 13 penetrates the corresponding sliding block 7, the bottom of the sliding block 7 is slidably arranged outside the corresponding sliding rod 13, the sliding rod 13 is sleeved with a telescopic spring 14, and the telescopic spring 14 is located between the sliding block 7 and the inner wall of the sliding groove 12.

[0028] The sliding block 7 can stably move on the sliding groove 12 and the sliding rod 13, and the telescopic spring 14 can push the sliding block 7 to the direction of the adjusting screw 3 after the lifting block 4 moves upward, so that the locking rod 9 is conveniently pulled out of the locking hole 11.

[0029] The pipe cover 2 is embedded and slidably provided with a rotary knob 15, and the rotary knob 15 is fixedly installed at the top end of the adjusting screw 3.

[0030] The bottom end of the pipe cover 2 is externally sleeved with a sealing sleeve 16, and the outer side of the sealing sleeve 16 is attached to the inner wall of the centrifugal tube body 1.

[0031] The sealing sleeve 16 is arranged, so that the sealing effect between the bottom of the pipe cover 2 and the centrifugal tube body 1 is improved.

[0032] Specific working principle is: first, the staff inserts the pipe cover 2 into the top of the centrifugal tube body 1, rotates the rotary knob 15, the rotary knob 15 drives the adjusting screw 3 to rotate, the adjusting screw 3 drives the surface lifting block 4 to move downward through the connecting rod 8, and the plurality of sliding blocks 7 are driven to move outward, at this time, the locking rod 9 on the outside of the sliding block 7 is inserted into the locking hole 11 on the centrifugal tube body 1, so that the pipe cover 2 is locked on the top of the centrifugal tube body 1, at this time, the sealing sleeve 16 at the bottom of the pipe cover 2 is tightly attached to the inner wall of the centrifugal tube body 1, and the installation of the pipe cover 2 is completed, when the centrifugal operation is completed, the staff rotates the rotary knob 15 in the opposite direction, the lifting block 4 is driven to move upward through the adjusting screw 3, and the sliding block 7 moves to the direction of the adjusting screw 3 through the action of the connecting rod 8 and the telescopic spring 14, so that the locking rod 9 is pulled out of the locking hole 11 on the centrifugal tube body 1, at this time, the pipe cover 2 can be pulled out of the top of the centrifugal tube body 1.

[0033] The above are preferred embodiments of the utility model, which do not limit the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A leakproof, strong seal, leakproof centrifuge tube comprising a centrifuge tube body (1), characterised in that: The centrifugal tube body (1) top is equipped with tube cover (2), the tube cover (2) inside is equipped with locking mechanism; The locking mechanism includes adjusting screw (3), lifting block (4), first connecting block (5), second connecting block (6), sliding block (7), connecting rod (8) and locking rod (9), the adjusting screw (3) is rotatably connected in the tube cover (2), and the adjusting screw (3) is movably connected with lifting block (4) outside, the lifting block (4) is fixedly installed with four first connecting blocks (5) at equal distances outside, the tube cover (2) inner cavity bottom is slidably provided with four sliding blocks (7) at equal distances along the circumferential direction, each sliding block (7) top is fixedly installed with second connecting block (6), the second connecting block (6) and first connecting block (5) are movably hinged with connecting rod (8), each sliding block (7) is fixedly installed with locking rod (9) on the side away from each other. The centrifugal tube body (1) top is fixedly installed with connecting sleeve (10), the connecting sleeve (10) is slidably provided with four locking holes (11) at equal distances inside along the circumferential direction, each locking rod (9) is respectively inserted in the inside of corresponding locking hole (11).

2. A leakproof, strongly sealed leakproof centrifuge tube according to claim 1, characterized in that: The tube cover (2) inner cavity bottom is slidably provided with four sliding grooves (12) at equal distances along the circumferential direction, each sliding block (7) is slidably provided in the corresponding sliding groove (12), and each sliding groove (12) is fixedly installed with sliding rod (13) on both sides of the inner cavity.

3. A leakproof, strongly sealed leakproof centrifuge tube according to claim 2, characterized in that: The sliding rod (13) bottom penetrates the inside of the corresponding sliding block (7), and the sliding block (7) is slidably provided outside the corresponding sliding rod (13), the sliding rod (13) is sleeved with telescopic spring (14) outside, and the telescopic spring (14) is located between the sliding block (7) and the inner wall of the sliding groove (12).

4. A leakproof, strongly sealed leakproof centrifuge tube according to claim 1, characterized in that: The tube cover (2) inner cavity is embedded and slidably provided with knob (15), and the knob (15) is fixedly installed at the top end of the adjusting screw (3).

5. A leakproof, strongly sealed leakproof centrifuge tube according to claim 1, characterized in that: The tube cover (2) bottom is sleeved with sealing sleeve (16) outside, and the sealing sleeve (16) is attached to the inner wall of the centrifugal tube body (1) outside.

Images