阅读说明：本技术 Voc治理监测设备的过滤装置用锁紧块组件 (VOC administers latch segment subassembly for monitoring facilities's filter equipment ) 是由 廖益斌 王澎蛟 张春超 罗潇 于 2019-11-29 设计创作，主要内容包括：本发明VOC治理监测设备的过滤装置用锁紧块组件,包括对称设置在底板两端且结构相同的锁紧机构,所述锁紧机构包括底座,所述底座一侧固定连接拨手,另一侧螺纹连接有接头,所述拨手与底座之间形成锥形容纳部,所述锥形容纳部内装设有锥形接头组件,所述锥形接头组件上螺纹连接四角螺帽,所述锥形接头组件、四角螺帽、接头同轴。其目的是为了提供一种结构简单、精密性高、可靠性强、成本低且便于拆装的VOC治理监测设备的过滤装置用锁紧块组件。(The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises locking mechanisms which are symmetrically arranged at two ends of a bottom plate and have the same structure, wherein each locking mechanism comprises a base, one side of each base is fixedly connected with a shifting handle, the other side of each base is in threaded connection with a connector, a conical accommodating part is formed between the shifting handle and the corresponding base, a conical connector assembly is arranged in each conical accommodating part, a four-corner nut is in threaded connection with each conical connector assembly, and the conical connector assembly, the four-corner nut and the connectors are coaxial. Its purpose is in order to provide a simple structure, precision height, good reliability, with low costs and be convenient for the VOC administers latch segment subassembly for monitoring facilities's filter equipment of dismouting.)

1. The utility model provides a VOC administers check out lock block subassembly for monitoring facilities's filter equipment which characterized in that: set up at bottom plate (9) both ends and the same locking mechanism of structure including the symmetry, locking mechanism includes base (1), base (1) one side fixed connection dials hand (8), and opposite side threaded connection has joint (3), form toper portion of holding between dialling hand (8) and base (1), the built-in toper joint subassembly that is equipped with of toper portion of holding, threaded connection four corners nut (4) on the toper joint subassembly, four corners nut (4), joint (3) are coaxial.

2. The VOC remediation monitoring device clamp block assembly of claim 1, wherein: the taper joint subassembly includes taper joint (5), annular membrane seat (6), spacer sleeve (7), taper joint (5) are including radius bench portion (51) and rather than coaxial integrative cylinder portion (52) of being connected, annular groove has been seted up along circumference to radius bench portion (51) terminal surface, annular membrane seat (6) embedding in the annular groove, radius bench portion (51) embedding this terminal surface of back in the toper portion of holding with base (1) support and tightly laminate.

3. The VOC remediation monitoring device clamp block assembly of claim 2, wherein: the shifting handle (8) is of a 6-shaped structure formed by integrally connecting a base portion (81) and a handle portion (82), the edge of the base portion (81) is partially cut along the circumferential direction to form a section of conical curved surface (811), and the conical curved surface (811) is in extrusion type surface contact with the inverted circular truncated part (51).

4. The VOC remediation monitoring device latch block assembly of claim 3, wherein: one side of the base (1) protrudes to form a bearing part (11), a pressure-bearing curved surface (12) attached to the side surface of the inverted circular truncated part (51) is formed on the bearing part (11), and the inverted circular truncated part (51) is squeezed between the conical curved surface (811) and the pressure-bearing curved surface (12).

5. A locking block assembly for a filter unit of VOC abatement monitoring apparatus according to claim 3 or 4, wherein: connect (3) including nut portion (31), external screw thread portion (32) and base (1) threaded connection, inverted circular base portion (51) middle part coaxial arrangement spacer sleeve (7), tapered sealing washer (33) have been installed between spacer sleeve (7) and external screw thread portion (32), cutting ferrule (34) have been installed to external screw thread portion (32) inside.

6. The VOC remediation monitoring device clamp block assembly of claim 5, wherein: the base (1) is provided with a screw hole C (14) at a position close to the bearing part (11), and the center of the conical joint (5) is provided with a step hole (53) coaxial with the screw hole C (14).

7. The VOC remediation monitoring device clamp block assembly of claim 6, wherein: the base plate (9) is provided with a screw hole B, and the base (1) is fixed on the base plate (9) through screws.

8. The VOC remediation monitoring device clamp block assembly of claim 7, wherein: the sealing film is arranged in the annular groove, the sealing film is tightly pressed in the annular groove by the annular film seat (6), and a sealing ring (41) is arranged in a threaded hole of the four-corner nut (4).

9. The VOC remediation monitoring device clamp block assembly of claim 8, wherein: the base (81) is provided with a cylindrical counter bore (812), the end head of the handle (82) is provided with a through hole (821), and a fastening screw (2) penetrates into the cylindrical counter bore (812) to fix the hand-pulling member (8) on the base (1).

10. The VOC remediation monitoring device clamp block assembly of claim 9, wherein: and a long hole which penetrates through the connector (3) in the axial direction and is coaxial with the screw hole C (14) is formed in the connector.

Technical Field

The present invention relates to an apparatus for testing or analyzing a material by measuring a chemical or physical property of the material using adsorption, absorption or the like, or separating the material into components using ion exchange, such as chromatography, and more particularly, to a locking block assembly for a filter device of a VOC abatement monitoring apparatus.

Background

VOC (volatile organic compounds) is a short name of volatile organic compounds, has various VOC types and wide distribution, is an atmospheric pollutant seriously harming environmental ecology and human health, has toxicity, irritation and even carcinogenicity, and is easy to generate photochemical reaction with nitrogen oxides to form photochemical smog and cause secondary pollution. Along with the continuous promotion of national environmental protection requirement and the increasing severity of environmental control problem, various equipment specially used for controlling and monitoring VOC appear in the market, all be equipped with filter equipment in this kind of equipment, filter equipment passes through the locking mechanism as shown in figure 1 and fixes, specifically, common locking mechanism includes two 1/4 commentaries on classics 1/16 double-cassette straight-through connector subassemblies 1 ', wear to be equipped with glass pipe support 2 ' in the subassembly 1 ', during the use, penetrate two glass pipe support 2 ' the both ends of the glass pipe 3 ' that the inside was filled with alkali asbestos respectively, glass pipe 3 ' is just framed between two subassemblies 1 '. The locking mechanism is too simple in structural form, only adopts common threaded connection, is poor in sealing performance, tedious in connection and low in strength, and cannot achieve an accurate effect. Moreover, tools such as a large wrench are needed for dismounting, the operation is very inconvenient, the production efficiency is low, and the production requirement cannot be met.

Disclosure of Invention

The invention aims to provide a locking block assembly for a filtering device of VOC (volatile organic compound) treatment monitoring equipment, which has the advantages of simple structure, high precision, strong reliability, low cost and convenience in disassembly and assembly.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises locking mechanisms which are symmetrically arranged at two ends of a bottom plate and have the same structure, wherein each locking mechanism comprises a base, one side of each base is fixedly connected with a shifting handle, the other side of each base is in threaded connection with a connector, a conical accommodating part is formed between the shifting handle and the corresponding base, a conical connector assembly is arranged in each conical accommodating part, a four-corner nut is in threaded connection with each conical connector assembly, and the conical connector assembly, the four-corner nut and the connectors are coaxial.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a conical joint, an annular membrane seat and a blocking sleeve, wherein the conical joint comprises an inverted circular truncated cone part and a cylindrical part coaxially and integrally connected with the inverted circular truncated cone part, an annular groove is formed in one end face of the inverted circular truncated cone part along the circumferential direction, the annular membrane seat is embedded into the annular groove, and the end face is abutted and attached to the base after the inverted circular truncated cone part is embedded into the conical accommodating part.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment is characterized in that the shifting handle is of a 6-shaped structure formed by integrally connecting a base part and a handle part, the edge of the base part is partially cut along the circumferential direction to form a section of conical curved surface, and the conical curved surface is in extrusion type surface contact with the inverted circular truncated part.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a base, wherein one side of the base protrudes to form a supporting part, a pressure-bearing curved surface attached to the side surface of an inverted circular table part is formed on the supporting part, and the inverted circular table part is extruded between the conical curved surface and the pressure-bearing curved surface.

The invention relates to a locking block assembly for a filtering device of VOC treatment monitoring equipment, wherein a joint comprises a nut part and an external thread part, the external thread part is in threaded connection with a base, the middle part of an inverted circular table part is coaxially provided with a blocking sleeve, a conical sealing ring is arranged between the blocking sleeve and the external thread part, and a clamping sleeve is arranged inside the external thread part.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a base, a bearing part and a conical joint, wherein the base is provided with a screw hole C at a position close to the bearing part, and the center of the conical joint is provided with a step hole coaxial with the screw hole C.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a base plate, wherein a screw hole B is formed in the base plate, and the base is fixed on the base plate through screws.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a locking block, wherein a sealing film is arranged in an annular groove, the sealing film is tightly pressed in the annular groove by an annular film seat, and a sealing ring is arranged in a threaded hole of a four-corner nut.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a base, a handle and a locking block, wherein the base is provided with a cylindrical counter bore, the end head of the handle is provided with a through hole, and a fastening screw penetrates into the cylindrical counter bore to fix the hand on the base.

The locking block assembly for the filtering device of the VOC treatment monitoring equipment comprises a locking block, wherein a long hole which penetrates through the locking block in the axial direction and is coaxial with a screw hole C is formed in the connector.

Compared with the existing locking mechanism, the locking block component for the filtering device of the VOC treatment monitoring equipment at least has the following beneficial effects:

the 1/4-1/16 double-clamping-sleeve straight-through joint component of the existing locking mechanism is directly replaced by the locking block component, so that the geometric shapes of parts are more visual, the contact surfaces of the base, the conical joint, the shifting handle and other related components are obviously increased, the positions are relatively fixed, the installation is orderly, the integral precision and reliability of the components are ensured, and the integral strength and rigidity of the components are enhanced. Meanwhile, the base, the conical joint, the shifting handle, the joint, the four-corner screw cap and other parts are matched and connected through the American threads, the sealing piece and the conical surface, and the connection precision is further improved. Furthermore, the multi-surface contact connection mode increases the strength of the parts and facilitates assembly and disassembly. For example, the hand-pulling device can be conveniently and quickly assembled and disassembled only by using a small screwdriver, great convenience is provided for cleaning and replacing glass tubes or other parts, and the production efficiency is greatly improved. In a word, the locking block component for the filtering device of the VOC treatment monitoring equipment provided by the invention has the advantages that the product functionality is realized, the production quality of the product is ensured, the assembly condition is improved, and the production cost of the product is reduced.

The following describes the locking block assembly for the filtering device of the VOC treatment monitoring device according to the present invention with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a prior art locking mechanism;

FIG. 2 is an isometric view of a locking block assembly for a filter assembly of the VOC abatement monitoring apparatus of the present invention;

FIG. 2a is a front view of a locking block assembly for a filter assembly of the VOC abatement monitoring apparatus of the present invention;

FIG. 2b is a cross-sectional view taken along line A-A of FIG. 2 a;

FIG. 2c is an enlarged view of a portion of FIG. 2B at B;

FIG. 2d is a top view of the locking block assembly for the filtration device of the VOC abatement monitoring apparatus of the present invention;

FIG. 3 is a schematic structural view of a base in a locking block assembly for a filtering device of the VOC treatment monitoring device of the present invention;

FIG. 4 is a schematic structural view of a cone-shaped joint in a locking block assembly for a filter device of the VOC treatment monitoring apparatus of the present invention;

fig. 5a is an isometric view of a thumb wheel in a locking block assembly for a filtration device of the VOC treatment monitoring apparatus of the present invention;

FIG. 5b is another isometric view of a thumb wheel in the locking block assembly for a filtration device of the VOC abatement monitoring apparatus of the present invention;

FIG. 5c is a rear view of the handle of the locking block assembly for a filtration device of the VOC abatement monitoring apparatus of the present invention;

FIG. 5d is a front view of a handle of the locking block assembly for a filtration device of the VOC abatement monitoring apparatus of the present invention;

FIG. 5e is a top view of the shifting handle of the locking block assembly for a filtering device of the VOC treatment monitoring apparatus of the present invention;

fig. 6a is an isometric view of a fitting in a lock block assembly for a filter assembly of the VOC abatement monitoring apparatus of the present invention;

FIG. 6b is a front view of a fitting in a locking block assembly for a filter assembly of the VOC abatement monitoring apparatus of the present invention;

FIG. 6C is a cross-sectional view taken along line C-C of FIG. 6 b; .

Detailed Description

As shown in fig. 2 to fig. 3, the locking block assemblies for the filtering device of the VOC treatment monitoring device of the present invention have the same locking mechanism symmetrically disposed at the left and right ends of the bottom plate 9, and in this embodiment, only the structure of the locking mechanism disposed at the right end is described, and the locking mechanism at the left end is not described again. The locking mechanism arranged at the right end comprises a special-shaped base 1, a bearing part 11 is formed by protruding the left side of the base 1, a bearing curved surface 12 is formed on the bearing part 11, a screw hole A13 is formed in the part, located in front of the bearing part 11, of the base 1, and a screw hole C14 is formed in the position close to the bearing part 11. The base plate 9 is provided with a screw hole B, the base 1 is fixed on the base plate 9 through screws and is perpendicular to the base plate 9, and the base is fixed so as to be convenient to disassemble, assemble, maintain, clean and replace. The front end of the left side of the base 1 is fixedly connected with a shifting handle 8, and the right side of the base is in threaded connection with a connector 3.

As shown in fig. 5a to 5e, the hand-piece 8 is a 6-shaped structure formed by integrally connecting the base 81 and the handle 82, the base 81 is provided with a cylindrical counterbore 812 coaxial with the screw hole a13, and the fastening screw 2 sequentially passes through the cylindrical counterbore 812 and the screw hole a13 to fix the hand-piece 8 on the base 1. Preferably, the fastening screw 2 adopts fine-tooth connecting threads, so that the appearance is attractive, and the assembly and disassembly are convenient. The lower edge (i.e., the arc-shaped edge portion) of the base 81 is partially cut in the circumferential direction (partially cut means that the cutting start is located at the middle of the lower edge as viewed in the thickness D direction of the hand 8) to form a tapered curved surface 811, wherein the uncut portion of the lower edge acts as a stopper for the tapered joint 5, and restricts the axial displacement thereof. The shank 82 is formed at its end with a through hole 821 to which a spring or other member can be attached as necessary to increase the fixing strength and further improve the ease of assembly and disassembly. A conical accommodating part is formed between the conical curved surface 811 on the shifting handle 8 and the pressure-bearing curved surface 12 on the base 1, a conical joint assembly is arranged in the conical accommodating part, and the conical joint assembly comprises a conical joint 5, an annular membrane seat 6 and a baffle sleeve 7.

As shown in fig. 4, the taper joint 5 includes an inverted circular truncated cone portion 51 and a cylindrical portion 52 coaxially and integrally connected therewith, a right end surface (i.e., a lower bottom surface of the circular truncated cone) of the inverted circular truncated cone portion 51 abuts against and is attached to the base 1, a left end surface (i.e., an upper bottom surface of the circular truncated cone) is connected to the cylindrical portion 52, and front and rear side surfaces thereof abut against the pressure-bearing curved surface 12 and the tapered curved surface 811 in an extrusion manner, respectively. Annular groove has been seted up along circumference to radius circular table portion 51 right end face, and annular membrane seat 6 imbeds in the annular groove, easy dismounting, quick. Preferably, in order to realize the sealing effect, a sealing film is arranged in the annular groove, and the annular film seat 6 compresses the sealing film in the annular groove. Annular spacer sleeve 7 is installed to radius circular table portion 51 coaxial middle part, and spacer sleeve 7 is located annular membrane seat 6 inboardly, adopts 304 stainless steel to make, and the appearance is little, and the precision is high, installs between cone-shaped joint 5 and base 1, and easy dismounting just plays fine support and sealed effect. The center of the conical joint 5 is provided with a stepped hole 53 coaxial with the screw hole C14, the stepped hole 53 comprises a cylindrical hole A positioned in the inverted circular truncated part 51 and a cylindrical hole B positioned in the cylindrical part 52, and the aperture of the cylindrical hole B is larger than that of the cylindrical hole A. The stepped hole can achieve a good sealing effect, and precise matching is achieved. When the tapered housing part is used, the inverted circular truncated cone part 51 is embedded into the tapered housing part, and the shape of the tapered housing part is matched with the shape of the inverted circular truncated cone part 51, so that the front and back of the inverted circular truncated cone part 51 are respectively in extrusion surface contact with the tapered curved surface 811 and the pressure-bearing curved surface 12, and the fastening screw 2 is locked after the tapered joint 5 is ensured to be extruded and can not rotate. In the scheme, the conical surface matching mode is adopted among the conical curved surface 811, the pressure bearing curved surface 12 and the conical joint 5, the contact area is large, the matching precision is high, and the conical joint 5 is ensured to be fastened in the base 1 and is not easy to shift. The cylindrical portion 52 is provided with a fine thread external thread, through which the four-angle nut 4 having a four-angle symmetrical shape is coaxially connected. Preferably, in order to ensure the sealing performance and prevent air leakage, a sealing ring 41 is arranged in the threaded hole of the four-corner nut 4. The conical joint 5 is connected with related components through short threads, so that the conical joint is convenient to disassemble and assemble, the conical surface matching structure is good in centering performance, and the conical matching surface has good self-locking performance and sealing performance after being matched and ground.

As shown in fig. 6a to 6C, the joint 3 includes a nut portion 31 and an external thread portion 32, the external thread portion 32 is coaxially connected with a screw hole C14, after the connection, a gap is formed between the retaining sleeve 7 and the external thread portion 32 along the axial direction, in order to ensure the sealing effect, a conical sealing ring 33 is coaxially installed at the gap, and the end of the conical sealing ring 33 with the smaller diameter faces the retaining sleeve 7. The joint 3 is internally provided with a long hole which penetrates through the axial direction of the joint and is coaxial with the screw hole C14, the long hole comprises a cylindrical threaded hole 35 positioned in the nut part 31, a tapered hole 36 and a small cylindrical hole 37 which are connected with the cylindrical threaded hole 35 and positioned in the external threaded part 32, the external threaded part 32 is internally provided with a clamping sleeve 34 matched with the tapered hole 36 and the small cylindrical hole 37 in shape, and the clamping sleeve 34 is matched with a sealing gasket to play a sealing role and is used for fixing a silanized pipe connected with the sealing sleeve. The slot is used for connecting a hose with a diameter of about 1.5 MM.

Preferably, the hand lever 8, the fastening screw 2, the four-corner screw cap 4, the conical joint 5, the annular membrane seat 6 and the like are all made of 304 stainless steel, so that the stainless steel is not easy to rust, can be used indoors and outdoors, has long service life and is beneficial to reducing the cost.

When the glass tube is installed, the base 1 is firstly fixed on the bottom plate 9, the conical joint 5 is placed at the pressure bearing curved surface 12 of the base 1, the base 1 and the conical joint are connected and fixed through threads, then the hand lever 8 is connected with the base 1 through the fastening screw 2, the conical curved surface 811 of the hand lever 8 presses the conical joint 5, then one end of the glass tube is placed in the stepped hole 53 of the conical joint 5, the edge of the glass tube is attached to the hole, finally the four-corner nut 4 is rotatably meshed with the conical joint 5, and the installation mode of the other end of the glass tube is the same as that of the glass tube.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.