Sampling device for lithium carbonate product

Abstract

The utility model belongs to the field of sampling devices, and particularly relates to a lithium carbonate product sampling device which comprises a hollow pipe, a fixing ring is fixedly connected to the inner side of the hollow pipe, a sliding rod is slidably connected to the interior of the fixing ring, a push disc is fixedly connected to the bottom of the sliding rod, and three connecting arms are hinged to the bottom of the hollow pipe. The tail end of each connecting arm is fixedly connected with a clamping jaw, the adjacent clamping jaws make contact with each other, and the upper section of a rod body of the sliding rod is fixedly connected with a movable ring. A hollow pipe is arranged, then a sliding rod capable of sliding is arranged in the hollow pipe, a pushing disc is arranged at the tail end of the sliding rod, and when the pushing disc is pushed downwards, the pushing disc enables all connecting arms to retract inwards, so that clamping jaws at the tail ends of the connecting arms are folded together, lithium carbonate product samples are sampled and grabbed, and the products are prevented from being polluted during sampling.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sampling device field, concretely relates to a sampling device of lithium carbonate product. BACKGROUND

[0002] Lithium carbonate (Li2CO3) is an inorganic compound, white crystalline powder. It is an important compound of lithium, widely used in lithium ion battery, glass ceramic, metallurgy, medicine and other fields. Lithium carbonate is an important raw material for positive electrode material in lithium ion battery, which can be converted into lithium iron phosphate (LiFePO4), lithium manganate (LiMn2O4) and other lithium ion battery positive electrode materials through chemical reaction. At the same time, lithium carbonate can also be directly used as lithium ion source in the electrolyte of lithium ion battery. In addition, lithium carbonate is also used to produce glass and ceramic materials, in which lithium ion can enhance the chemical stability and heat resistance of glass. In the field of metallurgy, lithium carbonate can be used to extract metallic lithium. In the field of medicine, lithium carbonate also has some applications, such as the treatment of bipolar disorder and other mental illnesses. In short, lithium carbonate is an important lithium compound, which has wide application in energy, materials and medicine.

[0003] Battery grade lithium carbonate product requires purity of 99.5% or more, especially the content of magnetic material has strict requirement, sampling analysis is the necessary means to judge the quality of product, and the existing sampling device is easy to leak when sampling, and the sample is easy to be contaminated. Therefore, it needs to be improved. SUMMARY

[0004] The utility model discloses a sampling device of lithium carbonate product solves the problem that the existing sampling device is easy to leak when sampling, and the sample is easy to be contaminated.

[0005] In order to achieve the above purpose, the utility model provides a sampling device of lithium carbonate product, including the hollow tube, the inside fixed connection of hollow tube has the fixed ring, the inside slip connection of fixed ring has the slide, the bottom fixed connection of slide has the push disc, the bottom of hollow tube is hinged with three connecting arms, and the end of every connecting arm is fixedly connected with the clamping jaw, and the adjacent clamping jaw is in contact with each other, the rod body upper segment fixed connection of slide has the movable ring, and movable ring slip connection in the inside of hollow tube, the spring no.

[0006] The utility model discloses a principle lies in: using, first index finger and middle finger buckle on two buckle barrels, and the palm heart is just to touch at the push block, then index finger and middle finger buckle in, make the push block stress move towards the direction of the hollow tube, then push block drives the slide bar to go down, and the movable ring on the slide bar is combined fixed ring and carries out compression to spring one, and the push disc of the bottom of slide bar can slide at each connecting arm, and each connecting arm stress is retracted, and then make the clamping jaw of the bottom of connecting arm close together, thereby sampling and grabbing lithium carbonate product sample, avoid the product from being polluted when sampling, and after the slide bar and push disc reach the position, the locking rod can be inserted into the slide bar under the action of the elastic force of spring two, thereby guaranteeing the stability of the push disc below the slide bar, further guarantee the stability of each clamping jaw after grabbing sample, and it is not easy to leak.

[0007] The utility model discloses the beneficial effect lies in: through setting a hollow tube, then hollow tube is set in a slide bar that can slide, the end of slide bar sets the push disc, when push disc is pushed down, and push disc makes each connecting arm retract, thereby making the clamping jaw of the end of connecting arm close together, thereby sampling and grabbing lithium carbonate product sample, avoid the product from being polluted when sampling.

[0008] Through setting the locking rod that is elastically limited through spring two on the outside of the hollow tube, the locking rod is inserted into the slide bar after penetrating the hollow tube, and the slide bar is locked, thereby guaranteeing the stability of the push disc below the slide bar, further guarantee the stability of each clamping jaw after grabbing sample, and it is not easy to leak.

[0009] Further, the connecting arm is a curved plate, and the connecting arm penetrates the push disc and is in sliding connection with the push disc. Through the setting of the curved connecting arm, the force opening and closing of the push disc is realized.

[0010] Further, the top of the slide bar is fixedly connected with a push block, and the push block is made of plastic. Through the setting of the push block, the slide bar is facilitated to be pushed.

[0011] Further, the side of the movable ring is provided with a ball, and the ball is in contact with the inner wall of the hollow tube. Through the setting of the ball, the friction between the movable ring and the hollow tube can be reduced.

[0012] Further, the outside upper portion of the hollow tube is fixedly connected with a buckle barrel, the inside of the buckle barrel is in sliding connection with a locking rod, the locking rod penetrates the hollow tube and is in sliding connection with the hollow tube, one end of the locking rod in the inside of the hollow tube is in plug connection with the slide bar, the pin body middle section of the locking rod is fixedly connected with a blocking ring, the blocking ring is in sliding connection with the inside of the buckle barrel, and the outside of the locking rod is sleeved with spring two. Through the locking rod, the slide bar after reaching the position can be locked and limited.

[0013] Further, the end of the locking rod away from the slide bar is fixedly connected with a pull ring, and the pull ring is made of plastic. Through the setting of the pull ring, the locking rod is facilitated to be pulled horizontally.

[0014] Further, one end of the spring two is fixedly connected with the blocking ring, and the other end of the spring two is fixedly connected to the inner surface of the buckle barrel. Through the arrangement of the spring two, the elastic force can be applied to the locking rod through the blocking ring. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure perspective view of the sampling device for lithium carbonate product according to the embodiment of the present application;

[0016] Figure 2 It is a whole structure perspective view of the sampling device for lithium carbonate product according to the embodiment of the present application; Figure 1 It is a front view of the sampling device for lithium carbonate product according to the embodiment of the present application;

[0017] Figure 3 It is a whole structure perspective view of the sampling device for lithium carbonate product according to the embodiment of the present application; Figure 1 It is a schematic view of the clamping jaw structure of the sampling device for lithium carbonate product according to the embodiment of the present application. DETAILED DESCRIPTION

[0018] The following will be further described in detail through specific embodiments:

[0019] The reference signs in the drawings of the specification include: hollow pipe 1, fixed ring 2, sliding rod 3, push disc 4, connecting arm 5, clamping jaw 6, push block 7, movable ring 8, ball 9, spring one 10, guide block 11, buckle barrel 12, locking rod 13, pull ring 14, blocking ring 15, spring two 16.

[0020] As shown in Figure 1 , Figure 2 , Figure 3 The embodiment provides a sampling device for lithium carbonate product, which comprises a hollow pipe 1, the inner side of the hollow pipe 1 is fixedly connected with a fixed ring 2, the inside of the fixed ring 2 is slidingly connected with a sliding rod 3, the bottom of the sliding rod 3 is fixedly connected with a push disc 4, the bottom of the hollow pipe 1 is hingedly connected with three connecting arms 5, and the distal end of each connecting arm 5 is fixedly connected with a clamping jaw 6, the adjacent clamping jaws 6 are in contact with each other, the connecting arm 5 is a curved plate, and the connecting arm 5 penetrates through the push disc 4 and is slidingly connected with the push disc 4. Through the arrangement of the curved connecting arm 5, the force opening and closing of the push disc 4 is realized, the inner side of the fixed ring 2 is fixedly connected with a guide block 11, and the guide block 11 is slidingly connected with the sliding rod 3.

[0021] As shown in Figure 2As shown, the rod body upper segment of the slide rod 3 is fixedly connected with a movable ring 8, and the movable ring 8 is slidingly connected to the inner side of the hollow tube 1, and the movable ring 8 and the fixed ring 2 are jointly fixedly connected with a spring I 10 between them and on the outer side of the slide rod 3. The top of the slide rod 3 is fixedly connected with a push block 7, and the push block 7 is made of plastic material. Through the arrangement of the push block 7, the slide rod 3 is facilitated to be pushed. The side edge of the movable ring 8 is provided with a ball 9, and the ball 9 is in contact with the inner wall of the hollow tube 1. Through the arrangement of the ball 9, the friction between the movable ring 8 and the hollow tube 1 can be reduced.

[0022] As shown in the drawings, Figure 2 As shown, the outer side upper segment of the hollow tube 1 is fixedly connected with a buckle barrel 12, the inside of the buckle barrel 12 is slidingly connected with a locking rod 13, the locking rod 13 penetrates through the hollow tube 1 and is slidingly connected with the hollow tube 1, one end of the locking rod 13 located on the inner side of the hollow tube 1 is inserted with the slide rod 3, the pin body middle segment of the locking rod 13 is fixedly connected with a blocking ring 15, and the blocking ring 15 is slidingly connected to the inner side of the buckle barrel 12, and the outer side of the locking rod 13 is sleeved with a spring II 16. Through the locking rod 13, the slide rod 3 after reaching the position can be locked and limited. The end of the locking rod 13 away from the slide rod 3 is fixedly connected with a pull ring 14, and the pull ring 14 is made of plastic material. Through the arrangement of the pull ring 14, the locking rod 13 is facilitated to be pulled horizontally. One end of the spring II 16 is fixedly connected with the blocking ring 15, and the other end of the spring II 16 is fixedly connected to the inner surface of the buckle barrel 12. Through the arrangement of the spring II 16, the elastic force can be applied to the locking rod 13 through the blocking ring 15.

[0023] The specific implementation process of the utility model is as follows: in use, first, the index finger and the middle finger are buckled on the two buckle barrels 12, and the palm is abutted at the push block 7, then the index finger and the middle finger are buckled inwards, so that the push block 7 is forced to move towards the direction of the hollow tube 1, then the push block 7 drives the slide rod 3 to move downwards, the movable ring 8 on the slide rod 3 and the fixed ring 2 jointly compress the spring I 10, and the push disc 4 at the bottom of the slide rod 3 slides at each connecting arm 5, and each connecting arm 5 is forced to shrink inwards, thereby the clamping jaws 6 at the bottom of the connecting arm 5 are closed together, so that the lithium carbonate product sample is sampled and grabbed, and the product is prevented from being contaminated during sampling, and after the slide rod 3 and the push disc 4 reach the position, the locking rod 13 is horizontally inserted into the slide rod 3 under the elastic force of the spring II 16, so that the stability of the push disc 4 below the slide rod 3 is ensured, and the stability of each clamping jaw 6 after grabbing the sample is further ensured, and the sample is not easy to be spilled.

[0024] The scheme is provided with a hollow pipe 1, then a slide rod 3 which can slide is arranged in the hollow pipe 1, the end of the slide rod 3 is provided with a push disc 4, when the push disc 4 is pushed downward, the push disc 4 makes each connecting arm 5 retract, so that the clamping jaws 6 at the end of the connecting arm 5 are closed together, so as to sample and grab the lithium carbonate product sample, avoiding the product from being polluted during sampling; the outside of the hollow pipe 1 is provided with a locking rod 13 which is elastically limited by a spring 16, the locking rod 13 is inserted into the slide rod 3 after penetrating through the hollow pipe 1, the slide rod 3 is locked, so as to ensure the stability of the push disc 4 below the slide rod 3, further ensuring the stability of each clamping jaw 6 after sampling, and the sample is not easy to be scattered.

[0025] It should be pointed out that in the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] The above is only the embodiment of the present application, and the specific structure and characteristics of the scheme and the like are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A sampling device for a lithium carbonate product comprising a hollow tube characterised in that: The inner side of the hollow pipe is fixedly connected with a fixed ring, the inner side of the fixed ring is slidably connected with a sliding rod, the bottom of the sliding rod is fixedly connected with a push disc, the bottom of the hollow pipe is hingedly connected with three connecting arms, the distal end of each connecting arm is fixedly connected with a clamping jaw, the adjacent clamping jaws are in contact with each other, the rod body upper segment of the sliding rod is fixedly connected with a movable ring, the movable ring is slidably connected to the inner side of the hollow pipe, the spring one is fixedly connected between the movable ring and the fixed ring and located on the outer side of the sliding rod, the inner side of the fixed ring is fixedly connected with a guide block, and the guide block is slidably connected with the sliding rod.

2. A lithium carbonate product sampling device according to claim 1, characterised in that: The connecting arm is a curved plate, the connecting arm penetrates through the push disc and is slidably connected with the push disc.

3. A lithium carbonate product sampling device according to claim 1, characterised in that: The top of the sliding rod is fixedly connected with a push block, and the push block is made of plastic material.

4. A lithium carbonate product sampling device according to claim 1, characterised in that: The side of the movable ring is provided with a ball, and the ball is in contact with the inner wall of the hollow pipe.

5. A lithium carbonate product sampling device according to claim 1, characterised in that: The outer side upper segment of the hollow pipe is fixedly connected with a buckle barrel, the inner side of the buckle barrel is slidably connected with a locking rod, the locking rod penetrates through the hollow pipe and is slidably connected with the hollow pipe, one end of the locking rod located on the inner side of the hollow pipe is inserted with the sliding rod, the pin body middle segment of the locking rod is fixedly connected with a blocking ring, the blocking ring is slidably connected to the inner side of the buckle barrel, and the outer side of the locking rod is sleeved with a spring two.

6. A lithium carbonate product sampling device according to claim 5, characterised in that: The end of the locking rod away from the sliding rod is fixedly connected with a pull ring, and the pull ring is made of plastic material.

7. A lithium carbonate product sampling device according to claim 5, characterised in that: One end of the spring two is fixedly connected with the blocking ring, and the other end of the spring two is fixedly connected to the inner surface of the buckle barrel.

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