CN214954290U

CN214954290U - Window assembly and instrument

Info

Publication number: CN214954290U
Application number: CN202121273832.2U
Authority: CN
Inventors: 周鸣亮; 申建庭; 张鹏
Original assignee: SHANGHAI FLUKO TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: SHANGHAI FLUKO TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-30
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a window subassembly and instrument. The window assembly includes: a spring; the sight glass is provided with a first through hole; the fixed support rod consists of a rod head, a rod body and a rod tail, and a scraper is arranged on the rod head; the handle is fixedly connected with the rod tail; the sleeve is internally provided with a pipe hole for accommodating the rod body; wherein a sealing structure is arranged between the fixed support rod and the sight glass; the spring is sleeved on the rod body, and elastic force acts on the fixed supporting rod, so that the scraper arranged on the rod head is pressed on the sight glass. The apparatus comprises: including container and above-mentioned window subassembly, the window subassembly install in the container. The beneficial effects of the utility model reside in that under the sealed prerequisite of assurance, can guarantee to look at the good cleaning effect of mirror from the outside.

Description

Window assembly and instrument

Technical Field

The utility model relates to a window subassembly and instrument.

Background

The sight glasses are installed on some closed and non-closed containers needing to observe the internal conditions, the current market sight glasses are mainly divided into two types, one type is a pressure-resistant sight glass without a scraper, and only the containers or equipment are ensured to have no leakage and no cleaning function; the other is for taking the scraper blade sight glass, the inside easy steam or material sputtering of container cause the place that the sight glass observes the difficulty, need not to pull down the sight glass and clear up, can directly use scraper blade clearance container inside sight glass surface material and steam, but take the scraper blade sight glass on the market to make the subassembly setting that the scraper blade compresses tightly the sight glass surface at the sight glass inboard, when the condition of keeping away from the sight glass surface or hugging closely the sight glass surface appears in the scraper blade, if want to adjust the packing force of scraper blade to the sight glass surface, then must pull down the sight glass and just can realize, the operation is very inconvenient, and in pressure-bearing or vacuum state or sealed effect is not good, because of sealing member and sight glass round hole direct contact very easily cut apart the damage and lead to revealing simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a window subassembly.

Another object of the present invention is to provide an apparatus.

According to the utility model discloses a window subassembly of an aspect, include: a spring; the sight glass is provided with a first through hole; the fixed support rod consists of a rod head, a rod body and a rod tail, and a scraper is arranged on the rod head; the handle is fixedly connected with the rod tail; the sleeve is internally provided with a pipe hole for accommodating the rod body; wherein a sealing structure is arranged between the fixed support rod and the sight glass; the spring is sleeved on the rod body, and elastic force acts on the fixed supporting rod, so that the scraper arranged on the rod head is pressed on the sight glass.

In an alternative embodiment, the sleeve has a first stepped bore including the tube bore and a first spring receiving cavity for receiving the spring.

In an alternative embodiment, the handle has a second stepped bore, the second stepped bore including a connection bore fixedly connected to the shank end, the second stepped bore further including a second spring receiving cavity for receiving the spring; the shaft body is provided with a mounting flange extending from the shaft body in the radial direction and is accommodated in the second spring accommodating cavity, one end of the spring is abutted against the first spring accommodating cavity, and the other end of the spring is abutted against the mounting flange.

In an alternative embodiment, the connection hole is a threaded hole and is in threaded connection with the rod tail, and the handle further has a first hole through which a set screw abuts against the rod tail.

In an optional embodiment, the window assembly further includes a bushing sleeved on the shaft, the bushing includes a sleeve portion, the sleeve portion is received in the first through hole and the pipe hole, the bushing has a second through hole, the second through hole receives the shaft, and the sealing structure includes a first sealing ring sealing the sleeve portion and the shaft.

In an alternative embodiment, the bushing further comprises a base portion extending radially from an axial end of the sleeve portion, the base portion compressing the sight glass, the sealing structure further comprising a second sealing ring sealing the base portion and the sight glass.

In an alternative embodiment, the shaft has a plurality of first seal ring grooves in the direction of extension thereof, in which a plurality of first seal rings are correspondingly mounted, and the base has a second seal ring groove, in which a second seal ring is correspondingly mounted.

In an alternative embodiment, the outer wall of the sleeve portion has an external threaded section, the inner wall of the pipe hole has an internal threaded section, and the sleeve portion and the pipe hole are fixedly connected through the matching of the external threaded section and the internal threaded section.

In an alternative embodiment, the sleeve is connected to the mirror via a first buffer portion, and the base is connected to the club head via a second buffer portion.

According to another aspect of the present invention, an instrument comprises a container and a window assembly as described above, wherein the window assembly is mounted to the container for viewing the interior of the container.

The beneficial effects of the utility model reside in that:

the window subassembly guarantees need not to dismantle the window subassembly when the inboard clearance of sight glass when the viewing aperture does not leak under vacuum or pressure-bearing state, through the setting of spring, set up the subassembly in the outside of sight glass and can realize compressing tightly of scraper blade to the sight glass, realized guaranteeing under the prerequisite of sealing performance, to the clean effect that the sight glass is good, and can adjust the packing force between scraper blade and sight glass through adjusting the elastic force from the outside, need not pull down the window subassembly and can keep the scraper blade to have good clean effect all the time.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention when taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of a window assembly;

FIG. 2 is a schematic view of a bushing;

FIG. 3 is a schematic view of a bushing;

FIG. 4 is a schematic view of a fixation strut;

fig. 5 is a schematic view of the handle.

Reference numerals:

1-handle, 100-second step hole, 101-connecting hole, 102-second spring accommodating cavity and 103-first hole;

2-spring, 21-mounting flange;

3-a sleeve, 30-a first step hole, 31-a pipe hole, 311-an internal thread section, and 32-a first spring accommodating cavity;

4-sight glass, 41-first through hole;

5-bushing, 51-base, 511-second seal ring groove, 52-sleeve, 521-external thread section, 53-second through hole;

6-fixed support rod, 61-rod head, 611-scraper installation groove, 62-rod body, 621-first seal ring groove, 622-first seal ring groove, 63-rod tail, 631-external thread;

7-a scraper;

81-first buffer, 82-second buffer, 83-second seal, 84-first seal, 841-first seal, 842-first seal;

9-set screw.

Detailed Description

Reference will now be made in detail to the various embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below. While the present invention will be described in conjunction with the exemplary embodiments, it will be appreciated that this description is not intended to limit the invention to those exemplary embodiments. On the contrary, the invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.

In the following description of the embodiments, the terms "outer", "top", "radial", "axial", "up", "down" or other terms of orientation or positional relationship indicate the orientation or positional relationship shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

A window assembly, such as an equipment mirror, is a component of a container for chemical, petroleum, cosmetic, pharmaceutical and other industrial equipment to observe changes in the media within the container. The operator adjusts or controls the filling amount according to the displayed condition, thereby ensuring that the medium in the container is always in a normal range. For example, vessels such as liquefied gas storage tanks, tank cars, gas-liquid phase reactors, and reaction kettles are required to be equipped with sight glasses to prevent accidents caused by overfilling or unbalanced material reaction caused by excessive feeding. In order to guarantee that the internal condition of the container can be clearly observed, the sight glass needs to be kept clean, the sight glass assembly is provided, the sight glass assembly does not need to be detached under the condition that a medium does not leak, and the cleaning effect of the sight glass can be adjusted from the outside.

Referring to fig. 1 in conjunction with fig. 2 and 4, in one embodiment, the window assembly includes a spring 2, a sight glass 4, a fixed strut 6, a handle 1, and a sleeve 3. The sight glass 4 is provided with a first through hole 41. The fixed support rod 6 consists of a rod head 61, a rod body 62 and a rod tail 63, and the rod head 61 is provided with a scraper 7. A sealing structure is arranged between the fixed supporting rod 6 and the sight glass 4. The handle 1 is fixedly connected with the rod tail 63 of the fixed supporting rod 6. The sleeve 3 is provided with a hole 31 inside to receive the shaft 61 of the fixed support 6. The spring 2 is sleeved on the shaft 62 of the fixed support 6, and elastic force acts on the fixed support 6, so that the scraper 7 arranged on the rod head 61 is pressed on the sight glass 4. For example, as shown in fig. 1, the spring 2 is a compressed spring, and an upward elastic force acts on the shaft 62 of the fixed support 6 to lift the shaft 62, so that the blade 7 of the club head 61 is pressed against the mirror 4. The elastic force may be applied directly to the fixing stays 6 or indirectly to the fixing stays 6. Through the setting of spring 2, set up the subassembly in the outside of sight glass 4 and can realize that scraper blade 7 compresses tightly to sight glass 4, realized guaranteeing under the prerequisite of sealing performance, to the good clean effect of sight glass 4, and can adjust the packing force between scraper blade 7 and sight glass 4 through adjusting the elastic force from the outside, need not pull down the window subassembly and can keep scraper blade 7 to have good clean effect all the time. The sight glass 4 can be made of transparent material, such as glass, according to actual requirements.

Referring to fig. 1 in conjunction with fig. 2, in some embodiments, the specific structure of the spring 2 acting on the fixing strut may be indirectly acting, the sleeve 3 has a first stepped hole 30, the first stepped hole 30 includes a pipe hole 31 and a first spring receiving cavity 32, and the first spring receiving cavity 32 is used for receiving and placing the spring 2. One end of the spring 2 abuts against one end of the first spring housing chamber 32, the other end abuts against the handle 1, the spring 2 is in a compressed state, and an elastic force is applied to the handle 1 upwards, that is, indirectly to the fixed support rod 6, so that the rod head 61 is pressed against the sight glass 4 upwards. The arrangement of the first spring accommodating cavity 32 can better compress the spring 2, and meanwhile, the spring 2 is placed in the first spring accommodating cavity 32, so that compared with the situation that the spring 2 is exposed outside, the sleeve 3 also has a certain protection effect on the spring 2.

Referring to fig. 1 in conjunction with fig. 5, in some embodiments, the specific structure of the spring acting on the fixing strut may be directly acting, the handle 1 has a second stepped hole 100, the second stepped hole 100 includes a connecting hole 101 fixedly connected with the rod tail 63, and the second stepped hole 100 further includes a second spring receiving cavity 102 for receiving the spring 2. The shaft 62 has a mounting flange 21 extending radially therefrom, and is placed in the second spring accommodating chamber 102, one end of the spring 2 abuts against the first spring accommodating chamber 32, the other end abuts against the mounting flange 21, and the mounting flange 21 abuts against the top wall of the second spring accommodating chamber 102, thereby enhancing the upward lifting force on the fixed support rod 6. In an alternative embodiment, the mounting flange 21 is snap-fit to the shaft 62 of the fixed post 6 for ease of installation.

Referring to fig. 1 in conjunction with fig. 4 and 5, in some embodiments, the handle 1 is fixedly connected to the fixing strut 6 by screw threads, the connecting hole 101 of the second stepped hole 100 of the handle 1 is a threaded hole, the rod tail 63 has external threads 631, the handle 1 is connected to the rod tail 63 by screw threads, the handle 1 further has a first hole 103, and a set screw 9 is screwed to the rod tail 63 through the first hole 103. Handle 1 and fixed branch 6's threaded connection mode simple structure and simple operation install holding screw 9 additional and can prevent that fixed branch 63 and handle 1 from taking place relative rotation, prevent that the operator when turning handle 1, the pole tail 63 of fixed branch 6 and handle 1 from taking place to loosen.

Referring to fig. 1 in conjunction with fig. 2 and 3, in some embodiments, the window assembly further includes a sleeve 5, the sleeve 5 being disposed over the shaft 62. The bush 5 includes a sleeve portion 52, and the sleeve portion 52 is accommodated in the first through hole 41 of the scope 4 and the tube hole 31 of the grommet 3. The bush 5 also has a second through hole 53, the second through hole 53 receiving a shank 62 of the fixing strut 6. A first sealing ring 84 is arranged between the sleeve part 52 and the shaft 62 to seal the sleeve part 52 and the shaft 62. The arrangement of the bushing 5 isolates the first sealing ring 84 from the first through hole 41, and the first sealing ring 84 is prevented from being cut by the sight glass to cause leakage risk. In an alternative embodiment, the first sealing ring 84 may be made of teflon.

Referring to fig. 1 in conjunction with fig. 3, in some embodiments, the bushing 5 further includes a base portion 51, the base portion 51 extends radially from one axial end of the sleeve portion 52, the base portion 51 presses the viewing mirror 4, and a second sealing ring 83 is disposed between the viewing mirror 4 and the base portion 51, and forms a multiple sealing with the first sealing ring 84, so as to enhance the sealing effect. In an alternative embodiment, the second sealing ring 83 may be made of teflon.

Referring to fig. 1 in conjunction with fig. 3 and 4, in some embodiments, the base 51 has a second seal ring groove 511 for receiving a second seal ring 83; the shaft 62 has

first seal grooves

621, 622 in its axial extension for receiving first seals 841, 842. Providing the seal ring grooves on the base 51 and stem 62 facilitates ease of processing and installation. In the embodiment shown in fig. 1 in conjunction with fig. 4, the shaft 62 has two first

seal ring grooves

621 and 622, and it is understood that the number of the first seal ring grooves and the corresponding first seal rings is not limited to two as shown in the figure, and may be three or more. Set up a plurality of first sealing washers and compare in the sealing washer of a big monolithic, the area of contact of a plurality of sealing washers is little, and frictional force is little, makes the handle drive the rotatory easier easy more of scraper blade, and a plurality of sealing washers constitute multiple sealed, makes sealed effect better.

Referring to fig. 1 in combination with fig. 2 and 3, the outer wall of the sleeve portion 52 of the bushing 5 has an external thread section 521, the inner wall of the pipe hole 31 of the sleeve 3 has an internal thread section 311, and the sleeve portion 52 and the pipe hole 31 are fixedly connected through the matching of the external thread section 521 and the internal thread section 311. The fixed bushing 5 is connected with the sleeve 3 in a threaded manner to form static seal, so that the sealing effect of the sight glass is enhanced.

Referring to fig. 1, the sleeve 3 is connected to the mirror 4 by a first buffer 82, and the base 31 of the bush 5 is connected to the head 61 of the fixing stay 6 by a second buffer 81. The arrangement of the first buffer part 82 and the second buffer part 81 enhances the sealing effect, and can avoid the damage of the components caused by extrusion between the contact surfaces. In an alternative embodiment, the first buffer 82 and the second buffer 81 are sealing gaskets, and may be made of teflon.

Referring to fig. 1 and fig. 4, the rod head 61 of the fixing support rod 6 is provided with a scraper installation groove 611 for fixedly connecting the scraper 7, and the scraper 7 can be continuously used only by replacing the scraper 7 after the scraper 7 is aged and worn. In an alternative embodiment, the scraper 7 is made of silicone.

When the window assembly shown in fig. 1 is assembled, the second sealing ring 83 is installed in the second sealing ring groove 511 of the bushing 5, the sleeve portion 52 of the bushing 5 is inserted through the first through hole 41 of the viewing mirror 4, the second buffer portion 82 is additionally installed on the outer side of the sleeve portion 52, and then the sleeve 3 is screwed with the fixing bushing 5 to form a static seal, so that the base portion 51 of the fixing bushing 5 is tightly attached to the lower surface of the viewing mirror 4, and the second buffer portion 82 is pressed against the upper surface of the viewing mirror 4 by the lower end surface of the sleeve 3. The scraper 7 is installed on the fixed support rod 6, the first buffer part 81 is sleeved above the rod head 61, the first sealing ring 841 and the first sealing ring 842 are respectively installed in the first sealing ring groove 621 and the first sealing ring groove 622, then the rod body 62 passes through the second through hole 53 of the bushing 5 to form double dynamic sealing, and the rod head 61 drives the first buffer part 81 to be attached to the lower surface of the base part 51 of the bushing 5. The spring 2 fixedly connected with the mounting flange 21 is arranged on the rod body 62 in a penetrating way, the mounting flange 21 is fixed on the rod body 62, the lower part of the spring 2 is placed in the first spring accommodating cavity 32 of the sleeve 3, and the mounting flange 21 and part of the spring 2 are placed in the second spring accommodating cavity 12 of the handle 1. Make the connecting hole 101 of handle 1 aim at the pole tail 63 of fixed branch 6, the twist grip 1 makes pole tail 63 and handle 1 screw thread fixed connection, and after screwing up, handle 1 and sleeve pipe 3 cooperation make spring 2 compressed, and the elasticity of spring 2 passes through mounting flange 21 and produces ascending support power to fixed branch 6 and handle 1, can make scraper blade 7 hug closely the lower surface of sight glass 4, guarantees clean effect. Finally, a set screw 9 is additionally arranged at the threaded connection part of the rod tail 63 and the handle 1 to prevent the rod tail 63 and the handle 1 from loosening.

During the use, can clockwise or anticlockwise rotation handle clear up, the light simple and convenient and strike off the effect better of operation, and the inside vacuum of container or pressure do not have the decay when external handle is rotatory, and the sight glass does not have the seepage.

In one embodiment, the instrument comprises a container and the window assembly, wherein the window assembly is mounted in the container and used for observing the inside of the container, and the cleaning effect of the sight glass can be ensured from the outside without disassembling the window assembly.

In summary, the window assembly and the instrument described in the above embodiments have the following advantages, including but not limited to one or a combination of the following:

1. through the setting of spring, set up the subassembly in the outside of sight glass and can realize compressing tightly of scraper blade to the sight glass, realized guaranteeing under sealing performance's the prerequisite, to the good clean effect of sight glass, and can adjust the packing force between scraper blade and sight glass through adjusting the elastic force from the outside, need not pull down the window subassembly and can keep the scraper blade to have good clean effect all the time.

2. The setting of bush is completely cut apart first sealing washer and first through-hole, prevents that first sealing washer from being cut bad emergence leakage risk by the sight glass.

3. The arrangement of the first sealing ring and the second sealing ring and the threaded connection of the bushing and the sleeve form multiple sealing, and the sealing effect of the sight glass is enhanced.

4. A plurality of first sealing washer compare in the setting of a big whole piece sealing washer, and the area of contact of a plurality of sealing washers is little, and frictional force is little, makes the handle drive the rotatory light easy more of scraper blade.

5. The instrument with the window assembly ensures that the observation port does not leak under a vacuum or pressure-bearing state, and the inner side of the sight glass is cleaned without disassembling the window assembly.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention, all without departing from the content of the technical solution of the present invention, fall within the scope of protection defined by the claims of the present invention.

Claims

1. A window assembly, comprising:

a spring;

the sight glass is provided with a first through hole;

the fixed support rod consists of a rod head, a rod body and a rod tail, and a scraper is arranged on the rod head;

the handle is fixedly connected with the rod tail;

the sleeve is internally provided with a pipe hole for accommodating the rod body;

wherein a sealing structure is arranged between the fixed support rod and the sight glass; the spring is sleeved on the rod body, and elastic force acts on the fixed supporting rod, so that the scraper arranged on the rod head is pressed on the sight glass.

2. The window assembly of claim 1, wherein said sleeve has a first stepped bore, said first stepped bore including said tube bore and a first spring receiving cavity for receiving said spring.

3. The window assembly of claim 2, wherein said handle has a second stepped bore, said second stepped bore including a connecting bore fixedly connected to said rod tail, said second stepped bore further including a second spring receiving cavity for receiving said spring; the shaft body is provided with a mounting flange extending from the shaft body in the radial direction and is accommodated in the second spring accommodating cavity, one end of the spring is abutted against the first spring accommodating cavity, and the other end of the spring is abutted against the mounting flange.

4. The window assembly of claim 3, wherein said attachment aperture is a threaded aperture in threaded engagement with said shank, said handle further having a first aperture through which a set screw is passed to tighten said shank.

5. The window assembly of claim 1, further comprising a bushing disposed about the shaft, the bushing including a sleeve portion received in the first aperture and the tube aperture, the bushing having a second aperture receiving the shaft, the sealing structure including a first seal ring sealing the sleeve portion and the shaft.

6. The window assembly of claim 5, wherein the bushing further comprises a base portion extending radially from an axial end of the sleeve portion, the base portion compressing the mirror, the sealing structure further comprising a second seal ring sealing the base portion to the mirror.

7. The window assembly of claim 6, wherein said body includes a plurality of first gasket grooves in an extension thereof for receiving a corresponding plurality of said first gaskets, and said base includes a second gasket groove for receiving a corresponding second gasket.

8. The window assembly of claim 5 wherein said sleeve portion has an outer threaded section on an outer wall thereof and said tube aperture has an inner threaded section on an inner wall thereof, said sleeve portion being fixedly secured to said tube aperture by engagement of said outer threaded section with said inner threaded section.

9. The window assembly of claim 6, wherein the sleeve is coupled to the mirror by a first bumper and the base is coupled to the head by a second bumper.

10. An instrument comprising a container and the window assembly of claims 1-9 mounted to the container for viewing the interior of the container.