CN210242965U

CN210242965U - Sealing structure and weighing device

Info

Publication number: CN210242965U
Application number: CN201920920384.7U
Authority: CN
Inventors: Siyu He; 何司宇; Renxiong He; 何仁雄; Xingrong Chen; 谌荥荣; Biao Zhang; 张彪
Original assignee: SHENZHEN HENGRUIXING AUTOMATION EQUIPMENT CO Ltd
Current assignee: SHENZHEN HENGRUIXING AUTOMATION EQUIPMENT CO Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-04-03
Anticipated expiration: 2029-06-18

Abstract

The utility model is suitable for a weighing-appliance technical field provides a seal structure and weighing device. The sealing structure is arranged between the support cup and the shell, a through hole for connecting the support cup and the weighing module is formed in the shell, the sealing structure comprises a first sealing assembly arranged around the through hole, and the first sealing assembly comprises a sealing groove; the sealing structure further comprises a second sealing assembly, one end of the second sealing assembly is fixedly connected with the support cup, the other end of the second sealing assembly is used for being inserted into the sealing groove, and the first sealing assembly forms a communication channel for connecting the support cup and the weighing module. The weighing device comprises a shell with an installation cavity, a supporting cup and a weighing module, wherein the weighing module is arranged in the installation cavity, a through hole for connecting the supporting cup and the weighing module is formed in the shell, and the sealing structure is arranged between the supporting cup and the shell. The utility model discloses well seal structure's setting realizes effective sealed between through-hole and the support cup, has promoted the accuracy that weighing device weighed and the life-span of using.

Description

Sealing structure and weighing device

Technical Field

The utility model belongs to the technical field of the weighing-appliance, especially, relate to a seal structure and weighing device.

Background

Today, in different industries, many products are subjected to heavy demands in production, and therefore, in a corresponding weighing process, weighing devices are used to quantify the weight of the products as required. Such as weighing the battery to determine the amount of priming to ensure that the product will eventually meet production requirements.

At present, weighing device's structure does for place the support cup setting of treating weighing the work piece in the outside of casing, and the weighing module setting that is used for weighing is in the casing, and the support cup is movable for the casing can reciprocating motion. Therefore, the shell is provided with a through hole, so that the support cup can be connected with the weighing module through the through hole. In order to avoid damaging the weighing module in the shell body into which outside dirt such as dust, water and the like enters from the through hole, the through hole needs to be sealed, and the existing sealing mode has poor sealing reliability.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a seal structure and weighing device to solve the poor problem of through-hole department sealing reliability.

The technical scheme of the utility model is that: a sealing structure is arranged between a supporting cup for bearing a workpiece to be weighed and a shell provided with a weighing module, a through hole for connecting the supporting cup and the weighing module is formed in the shell, the sealing structure comprises a first sealing assembly arranged around the through hole, and the first sealing assembly comprises a sealing groove for containing sealing liquid; the sealing structure further comprises a second sealing assembly, one end of the second sealing assembly is fixedly connected with the support cup, the other end of the second sealing assembly is inserted into the sealing groove, and the first sealing assembly forms a communicating channel for connecting the support cup and the weighing module.

Specifically, the first seal assembly further comprises a first seal ring disposed around the through-hole and a second seal ring disposed around the first seal ring, the seal groove being formed between the first seal ring and the second seal ring.

Specifically, the second sealing assembly comprises a sealing cylinder, one end of the sealing cylinder is fixedly connected to the bottom of the support cup, and the other opposite end of the sealing cylinder is inserted into the sealing groove.

Further, seal structure still including be used for to annotate the notes liquid hole of sealed liquid and being used for the confession in the seal groove sealed liquid flows out the drain hole, annotate the liquid hole with the drain hole all sets up on the lateral wall of second sealing ring.

Preferably, the liquid injection hole is arranged at a position higher than the position at which the liquid drainage hole is arranged.

The utility model also provides a weighing device, including the casing that has the installation cavity, be used for bearing the support cup of waiting to weigh the work piece and be used for weighing wait to weigh the weighing module of work piece mass, weighing module sets up in the installation cavity, the confession has been seted up on the casing hold in the palm the cup with the through-hole that weighing module connects, hold in the palm the cup with be provided with foretell seal structure between the casing.

Specifically, the weighing device further comprises a conduction piece, wherein the conduction piece is movably arranged in the communication channel in a penetrating mode, one end of the conduction piece is connected with the support cup, and the other end, opposite to the end, of the conduction piece is connected with the weighing module.

Specifically, a groove is formed in one surface, facing the conducting piece, of the support cup, and the conducting piece is inserted into the groove.

Specifically, a fixing groove is formed in one end, connected with the weighing module, of the conduction piece, and the weighing module is correspondingly inserted into the fixing groove.

Specifically, an accommodating cavity is formed in the support cup, and the workpiece to be weighed is placed in the accommodating cavity.

The utility model provides a seal structure and weighing device is provided with seal structure through the adoption between casing and support cup to seal through sealed liquid. Thereby, realized waiting to weigh the quality of work piece and accurately transmit to the weighing module when weighing with holding in the palm on the cup, can also realize effective sealed between through-hole and the support cup, avoided appearing external debris and enter into the casing from the through-hole and will become the condition emergence that the weighing module damaged. This seal structure sets up, provides effective protection for the weighing module in the casing, has promoted the accuracy that weighing device weighed and the life-span of using.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a weighing apparatus provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of a weighing apparatus provided in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a weighing apparatus according to an embodiment of the present invention.

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 merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

As shown in fig. 1, an embodiment of the present invention provides a sealing structure 1, which is disposed between a tray 21 for bearing a workpiece to be weighed and a housing 22 with a weighing module 23 (see fig. 3), and the housing 22 is provided with a through hole 220 for connecting the tray 21 and the weighing module 23. Due to the arrangement of the through hole 220, the inside of the casing 22 is communicated with the outside, and the weighing module 23 arranged inside the casing 22 is a precise part, and the weighing precision of the weighing module 23 is affected when impurities such as water or dust are contaminated. Therefore, in order to prevent foreign objects from entering the housing 22 through the through hole 220, the through hole 220 needs to be sealed. In the present embodiment, it is thus adopted that the sealing structure 1 is provided between the saucer 21 and the housing 22, and by this sealing structure 1, it is achieved that the through hole 220 can be effectively sealed while ensuring accurate transfer of the weighing mass.

For convenience of explanation of advantageous effects of the sealing structure 1, in the present embodiment, the sealing structure 1 is exemplified as being used in a weighing device that weighs an injection amount of an electrolyte in a battery. Since the electrolyte is corrosive, the electrolyte can be prevented from flowing into the case 22 through the through-hole 220 by the sealing action of the sealing structure 1. It will be appreciated by the person skilled in the art that the scope of application of the sealing structure 1 is not limited. The sealing structure can also be used for sealing weighing equipment in the aspects of medicines, foods and the like.

As shown in fig. 1 to 3, the sealing structure 1 includes a first sealing assembly 11 disposed around the through hole 220, the first sealing assembly 11 includes a sealing groove 111 for containing a sealing liquid, the sealing structure 1 further includes a second sealing assembly 12 having one end fixedly connected to the holder cup 21 and the other end inserted into the sealing groove 111, and the first sealing assembly 11 forms a communication channel 114 for connecting the holder cup 21 and the weighing module 23. The first seal assembly 11 is disposed on the housing 22 around the through hole 220 to seal the edge of the through hole 220, and the first seal assembly 11 includes a seal groove 111 for containing a sealing liquid. Therefore, when the tray 21 is mounted, the portion of the tray 21 for connection with the weighing module 23 is connected to the weighing module 23 through the communication passage 114, and one end of the second seal member 12 is fixedly connected to the tray 21, so that the other end is inserted into the seal groove 111, and the seal liquid is contained in the seal groove 111. Thus, after the second seal assembly 12 is inserted into the seal groove 111, the sealing liquid seals the gap between the first seal assembly 11 and the second seal assembly 12, so as to achieve the effect of sealing the through hole 220, so that the electrolyte cannot enter the casing 22 through the through hole 220, and the quality of the weighing module 23 in the casing 22 is ensured.

In the above, the sealing liquid that sets up in seal groove 111 can be kerosene or silicon oil etc. and the resistance is little and can effectively isolated the air, has realized under the transmission that does not influence the quality of weighing, can reliably seal. Meanwhile, it is understood that in other designs, a plurality of sealing rings may be disposed on the housing 22 to form a plurality of sealing grooves 111, and a plurality of sealing cylinders may be disposed correspondingly, so that the sealing is performed by the cooperation of the plurality of sealing grooves 111 and the sealing cylinders. Further improving the sealing reliability.

As shown in fig. 1 to 3, the first seal assembly 11 includes a first seal ring 112 disposed around the through hole 220 and a second seal ring 113 disposed around the first seal ring 112, a seal groove 111 is formed between the first seal ring 112 and the second seal ring 113, and the second seal assembly 12 includes a seal cylinder 121, one end of the seal cylinder 121 is fixedly connected to the bottom of the cup holder 21, and the opposite end is inserted into the seal groove 111. That is, the seal groove 111 is formed by providing two concentric seal rings in the housing 22 and providing the first seal ring 112 and the second seal ring 113 at an interval, and the communication passage 114 is formed inside the first seal ring 112. Specifically, the shape of the seal cylinder 121 is matched to the shape of the seal groove 111, and the seal cylinder is securely inserted into the seal groove 111. Thus, by adding the sealing liquid into the sealing groove 111, after the sealing cylinder 121 is inserted into the sealing groove 111, the sealing liquid submerges and soaks the inserted end of the sealing cylinder 121, thereby achieving the effects of isolating air and sealing. The first sealing assembly 11 and the second sealing assembly 12 are simple in structure and good in design ingenuity, and the through hole 220 can be effectively sealed.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the sealing structure 1 further includes a liquid injection hole 13 for injecting the sealing liquid into the sealing groove 111 and a liquid discharge hole 14 for allowing the sealing liquid to flow out, and both the liquid injection hole 13 and the liquid discharge hole 14 are disposed on the side wall of the second sealing ring 113. Thus, the sealing liquid is heated into the sealing groove 111 through the liquid injection hole 13, and the operation is convenient. The liquid leakage hole 14 can ensure the liquid level height of the sealing liquid added into the sealing groove 111, and the overflow problem caused by excessive added sealing oil is avoided.

Preferably, the pour hole 13 is provided at a position higher than the drain hole 14. Thus, the sealing liquid having an appropriate height can be always contained in the sealing groove 111, and an effective sealing function can be achieved. The situation that the liquid level of the sealing liquid is too high or too low is avoided.

The embodiment of the present invention provides a sealing structure 1, which is provided with a first sealing ring 112 and a second sealing ring 113 around a through hole 220 on a housing 22 by adopting, and a sealing groove 111 is formed between the first sealing ring 112 and the second sealing ring 113, and a sealing cylinder 121 is correspondingly provided on a cup holder 21, and one end of the sealing cylinder is inserted into the sealing groove 111. Like this, through be provided with sealing liquid in seal groove 111 to insert the one end of a sealed cylinder 121 in seal groove 111, just realize effective sealed between through-hole 220 and the tray cup 21, still realized simultaneously that the quality of the work piece of waiting to weigh on the tray cup 21 can accurately transmit to weighing module 23 on. The sealing structure 1 has good design ingeniousness, and achieves the purpose of reliably sealing the through hole 220.

The embodiment of the utility model provides an embodiment still provides a weighing device, as shown in fig. 1 to 3, including having the casing 22 of installation cavity 221, being used for bearing the support cup 21 of waiting to weigh the work piece and being used for weighing the weighing module 23 of waiting to weigh the work piece quality, weighing module 23 sets up in installation cavity 221, offers the through-hole 220 that supplies support cup 21 and weighing module 23 to be connected on the casing 22 to be provided with foretell seal structure 1 between support cup 21 and casing 22. The sealing structure 1 is arranged around the through hole 220, so that the through hole 220 can be reliably sealed, and external sundries are prevented from entering the shell 22 from the through hole 220 to damage internal parts. The reliability of the use of the weighing device is ensured.

In specific use, a workpiece to be weighed is placed on the cup holder 21, the mass of the workpiece to be weighed is transmitted to the weighing module 23, the specific mass of the workpiece to be weighed is weighed by the weighing module 23, and the weighed mass can be displayed in real time by electrically connecting corresponding display parts. The weighing device is used for weighing the mass of the workpiece electronically, so the weighing module 23 can be a weighing sensor, and has good sensitivity and high weighing precision.

When setting up, can be directly be connected the support cup 21 with weighing module 23, and the utility model discloses, as shown in fig. 3, weighing device still includes ann conduction piece 25, ann conduction piece 25 activity is worn to establish in intercommunication passageway 114, ann conduction piece 25's one end is connected with support cup 21, and the relative other end is connected with weighing module 23. So arranged, this safety conductor 25 is located between the tray 21 and the weighing module 23, and the tray 21 and the weighing module 23 are connected to each other by the safety conductor 25, so that the mass of the workpiece to be weighed placed on the tray 21 is accurately transferred to the weighing module 23.

As shown in fig. 2 and 3, a groove 211 is formed on a surface of the holder cup 21 facing the conductive member 25, and the conductive member 25 is inserted into the groove 211. That is, a groove 211 is formed on the surface of the holder cup 21 for being attached to the conductive member 25, and after the holder cup 21 and the conductive member 25 are assembled with each other, the top end of the conductive member 25 is inserted into the groove 211, thereby improving the stability of the assembly position between the two. In a particular arrangement, the shape of the horizontal cross-section of the recess 211 may be arranged to match the shape of the horizontal cross-section of the part of the conductor 25 intended to be inserted into the recess 211.

In order to improve the stability of the connection position between the conduction piece 25 and the weighing module 23, a fixing groove is formed in one end, connected with the weighing module 23, of the conduction piece 25, and when the conduction piece is installed, the weighing module 23 is correspondingly inserted into the fixing groove. After the position of the weighing module 23 is fixed, the safety conduction piece 25 can be limited to swing back and forth in the direction vertical to the length direction of the weighing module 23 under the action that the fixed groove can limit the position, and the stability of the position where the safety conduction piece 25 is installed is ensured.

As shown in fig. 1 and 2, in order to ensure stability of placing a workpiece to be weighed on the cup 21 during weighing, a receiving cavity 212 is opened in the cup 21, and the workpiece to be weighed is placed in the receiving cavity 212. Thus, the accommodating cavity 212 can limit the placing position of the workpiece to be weighed, the position of the workpiece to be weighed after being placed is prevented from being changed, and the weighing operation is stable and reliable.

As shown in fig. 1 and 3, an open groove 213 is further formed in the cup holder 21, the open groove 213 communicates with the accommodating cavity 212, and the lowest end is flush with the bottom of the accommodating cavity 212 or slightly lower than the bottom of the accommodating cavity 212. Therefore, when impurities (such as scattered electrolyte or dust) enter the accommodating cavity 212, the impurities can be removed from the open groove 213, and the convenience of cleaning the tray cup 21 is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sealing structure is arranged between a supporting cup for bearing a workpiece to be weighed and a shell provided with a weighing module, and the shell is provided with a through hole for connecting the supporting cup with the weighing module; the sealing structure further comprises a second sealing assembly, one end of the second sealing assembly is fixedly connected with the support cup, the other end of the second sealing assembly is inserted into the sealing groove, and the first sealing assembly forms a communicating channel for connecting the support cup and the weighing module.

2. The seal structure of claim 1, wherein the first seal assembly further includes a first seal ring disposed around the through-hole and a second seal ring disposed around the first seal ring, the seal groove being formed between the first seal ring and the second seal ring.

3. The seal structure of claim 2, wherein the second seal assembly includes a seal cartridge having one end fixedly attached to a bottom of the cup and an opposite end inserted in the seal groove.

4. The sealing structure according to claim 2 or 3, wherein the sealing structure further includes a liquid injection hole for injecting sealing liquid into the sealing groove and a liquid discharge hole for discharging the sealing liquid, and the liquid injection hole and the liquid discharge hole are both provided on a side wall of the second sealing ring.

5. The seal structure according to claim 4, wherein the pour hole is provided at a position higher than a position at which the drain hole is provided.

6. A weighing device is characterized by comprising a shell with an installation cavity, a support cup used for bearing a workpiece to be weighed and a weighing module used for weighing the mass of the workpiece to be weighed, wherein the weighing module is arranged in the installation cavity, a through hole used for connecting the support cup with the weighing module is formed in the shell, and a sealing structure as claimed in any one of claims 1 to 5 is arranged between the support cup and the shell.

7. The weighing apparatus of claim 6, further comprising a conductive member movably disposed through the communication channel, wherein one end of the conductive member is connected to the cup holder and the opposite end is connected to the weighing module.

8. The weighing apparatus of claim 7, wherein a surface of the cup facing the conductive member defines a recess, the conductive member being inserted into the recess.

9. The weighing apparatus of claim 7, wherein a fixing groove is formed at an end of the conduction member connected to the weighing module, and the weighing module is correspondingly inserted into the fixing groove.

10. The weighing apparatus according to any one of claims 6 to 9, wherein the support cup is provided with a receiving cavity, and the workpiece to be weighed is placed in the receiving cavity.