CN212540820U

CN212540820U - Lens fixed knot constructs for gas chromatograph easy to assemble

Info

Publication number: CN212540820U
Application number: CN202021437109.9U
Authority: CN
Inventors: 陈志华; 杨献珍; 黄贤基; 张燕芬; 冯雪萍
Original assignee: Fujian Fushian Testing Technology Co ltd
Current assignee: Fujian Fushian Testing Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-02-12
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a lens fixed knot constructs for gas chromatograph easy to assemble, including mount pad and lens body, the base has been placed to the upper end of mount pad, adjust pole through connection inside the upper end of stopper, and be connected through waterproof spring between the lower extreme monomer of stopper, the spacing groove has been seted up to the inner wall of mount pad, the upper end fixedly connected with connecting block of stopper, and the connecting block is placed in orbital inside, the upper end fixedly connected with connecting axle of base, and the upper end of connecting axle has placed the connection lid, connecting axle through connection is on the loading board, and the outer end of loading board has seted up the mounting groove, the inside at the lag is placed to the left end of loading board. This lens fixed knot constructs for gas chromatograph easy to assemble, and angle regulation uses different lenses easily to the lens loading board has the wearability, avoids the dust to fall on the lens.

Description

Lens fixed knot constructs for gas chromatograph easy to assemble

Technical Field

The utility model relates to a relevant technical field of gas chromatograph specifically is a lens fixed knot constructs for gas chromatograph easy to assemble.

Background

The gas chromatograph is used for analyzing complicated mixtures, and at present, a lens fixing structure is widely applied to the aspects of petroleum, medicines, foods and the like, and the gas chromatograph needs to be matched with lenses for use.

However, general lens fixed knot constructs for gas chromatograph, inconvenient install the lens on gas chromatograph, be difficult to angle regulation and use different lenses, the lens loading board does not have the wearability, and the dust falls on the lens easily, the utility model aims to provide a lens fixed knot constructs for gas chromatograph easy to assemble to solve the problem that above-mentioned background art provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens fixed knot constructs for gas chromatograph easy to assemble to solve most of the lens fixed knot constructs for gas chromatograph that propose in the above-mentioned background art, inconvenient installation, and be difficult to angle regulation and use different lenses, and the lens loading board does not have the wearability, and the dust falls the problem on the lens easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lens fixed knot constructs for gas chromatograph easy to assemble, includes mount pad and lens body, the base has been placed to the upper end of mount pad, and the inside of base rotates and is connected with the regulation pole, adjust pole through connection inside the upper end of stopper, and be connected through waterproof spring between the lower extreme monomer of stopper, the spacing groove has been seted up to the inner wall of mount pad, the upper end fixedly connected with connecting block of stopper, and the connecting block is placed in orbital inside to the track is seted up inside the upper end of base, the upper end fixedly connected with connecting axle of base, and the upper end of connecting axle has placed the connecting lid, connecting axle through connection is on the loading board, and the mounting groove has been seted up to the loading board outer end to the block is connected with the lens body on the mounting groove, the inside at the lag.

Preferably, the longitudinal section shapes of the base and the mounting seat are both concave, and the outer surface of the adjusting rod rotatably connected in the base is of a bidirectional threaded structure.

Preferably, the limiting blocks are symmetrically arranged in front and back of the longitudinal central axis of the base, the limiting blocks and the rails form a sliding structure, and the longitudinal section of each limiting block is L-shaped.

Preferably, the connection mode of connecting axle and loading board is the bearing connection, and the equidistant setting of loading board is on the connecting axle to the connection mode of connecting axle and connection lid is threaded connection.

Preferably, the loading board includes skin, tie coat, butadiene-acrylonitrile rubber layer and nexine, and outer lower extreme is pasted and is connected with the tie coat, installs butadiene-acrylonitrile rubber layer between the tie coat monomer, and the lower extreme on butadiene-acrylonitrile rubber layer is pasted and is connected with the nexine.

Preferably, the sum of the inner width of the protective sleeve and the width between the bearing plate monomers is equal, and the mounting groove formed in the bearing plate is matched with the lens body.

Compared with the prior art, the beneficial effects of the utility model are that: the lens fixing structure for the gas chromatograph convenient to mount is convenient to mount, different lenses are used by adjusting angles easily, and the lens bearing plate has abrasion resistance, so that dust is prevented from falling on the lenses;

1. the outer surface of the adjusting rod is of a bidirectional threaded structure, so that the rotating directions of the limiting block monomers are opposite, the L-shaped limiting block slides to the outer end and is clamped in the limiting groove, and the limiting block is conveniently mounted on a gas chromatograph;

2. the lens is characterized in that the bearing plates and the connecting shaft are arranged, the bearing plates are arranged on the connecting shaft at equal intervals, the connecting shaft is connected with bearings of the bearing plates, so that the positions of the bearing plate monomers can be adjusted on the connecting shaft in a rotating mode, and the lens bodies are connected in the mounting grooves in a clamping mode, so that different lens bodies can be used conveniently;

3. be equipped with butadiene-acrylonitrile rubber layer and lag, the nexine is installed between the tie coat monomer, installs between skin and nexine through the tie coat to increase outer wearability, the width of lag equals with the width sum between the loading board monomer, makes the lag block on the loading board, avoids the dust to fall on the lens body.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the left side view of the cross-section of the present invention;

FIG. 3 is a schematic diagram of the structure of the bearing plate of the present invention;

FIG. 4 is a schematic view of the structure of the present invention showing the connection between the bearing plate and the protective sleeve;

fig. 5 is a schematic view of the overlooking structure of the connection between the bearing plate and the lens body of the present invention.

In the figure: 1. a mounting seat; 2. a base; 3. adjusting a rod; 4. a limiting block; 5. a limiting groove; 6. connecting blocks; 7. a track; 8. a connecting shaft; 9. a connecting cover; 10. a carrier plate; 1001. an outer layer; 1002. a bonding layer; 1003. a nitrile rubber layer; 1004. an inner layer; 11. mounting grooves; 12. a lens body; 13. a waterproof spring; 14. a protective sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a lens fixing structure for a gas chromatograph convenient to install comprises an installation seat 1, a base 2, an adjusting rod 3, a limiting block 4, a limiting groove 5, a connecting block 6, a track 7, a connecting shaft 8, a connecting cover 9, a bearing plate 10, an installation groove 11, a lens body 12, a waterproof spring 13 and a protective cover 14, wherein the base 2 is placed at the upper end of the installation seat 1, the adjusting rod 3 is rotatably connected inside the base 2, the adjusting rod 3 is connected inside the upper end of the limiting block 4 in a penetrating manner, the lower end monomers of the limiting block 4 are connected through the waterproof spring 13, the limiting groove 5 is formed in the inner wall of the installation seat 1, the connecting block 6 is fixedly connected to the upper end of the limiting block 4 and is placed inside the track 7, the track 7 is arranged inside the upper end of the base 2, the connecting shaft 8 is fixedly connected to the upper end of the base, connecting axle 8 through connection is on loading board 10, and mounting groove 11 has been seted up to the outer end of loading board 10 to the block is connected with lens body 12 on the mounting groove 11, and the inside at lag 14 is placed to the left end of loading board 10.

As shown in the figures 1 and 2, the longitudinal section shapes of the base 2 and the mounting seat 1 are both in a concave shape, the outer surface of the adjusting rod 3 rotatably connected inside the base 2 is in a bidirectional threaded structure, the base 2 is conveniently placed at the upper end of the mounting seat 1, the limiting blocks 4 are conveniently installed inside the base 2, the moving directions of the limiting blocks 4 on the adjusting rod 3 are opposite, the limiting blocks 4 are symmetrically arranged in the front-back direction of the longitudinal central axis of the base 2, the limiting blocks 4 and the rails 7 form a sliding structure, the longitudinal section shape of the limiting blocks 4 is in an L shape, the base 2 is firmly installed on the mounting seat 1 through the limiting blocks 4, the limiting blocks 4 can slide back and forth on the rails 7, the positions of the limiting blocks 4 in the mounting seat 1 are adjusted, the limiting blocks 4 are clamped in the limiting grooves 5, and the connecting mode of the connecting shaft 8 and the bearing plate, the bearing plates 10 are arranged on the connecting shaft 8 at equal intervals, the connecting shaft 8 is in threaded connection with the connecting cover 9, the bearing plates 10 can rotate on the connecting shaft 8, different lens bodies 12 are connected to the corresponding bearing plates 10 in a clamping mode, and the connecting cover 9 blocks the upper end of the connecting shaft 8;

as shown in fig. 3, the bearing plate 10 comprises an outer layer 1001, an adhesive layer 1002, a nitrile rubber layer 1003 and an inner layer 1004, wherein the adhesive layer 1002 is adhesively connected to the lower end of the outer layer 1001, the nitrile rubber layer 1003 is installed between monomers of the adhesive layer 1002, the inner layer 1004 is adhesively connected to the lower end of the nitrile rubber layer 1003, and the nitrile rubber layer 1003 is installed between the outer layer 1001 and the inner layer 1004 through the adhesive layer 1002, so that the wear resistance is improved;

as shown in fig. 4 and 5, the sum of the inner width of the protective sleeve 14 and the width between the single bearing plates 10 is equal, the mounting groove 11 formed on the bearing plate 10 is matched with the lens body 12, the protective sleeve 14 is clamped on the bearing plate 10, so as to prevent dust from falling on the lens body 12, and the outer wall of the lens body 12 is completely attached to the inner wall of the mounting groove 11.

The working principle is as follows: when the lens fixing structure for the gas chromatograph convenient to mount is used, the base 2 in the figure 1 and the figure is combined, the mounting base 1 is arranged on the gas chromatograph, the base 2 is placed at the upper end of the mounting base 1, the limiting block 4 is placed in the mounting base 1 in the concave-shaped structure, the adjusting rod 3 is rotated to enable the connecting block 6 to slide in the track 7, the sliding directions of the limiting blocks 4 are opposite when the adjusting rod 3 is rotated due to the fact that the outer surface of the adjusting rod 3 is in the bidirectional threaded structure, the limiting blocks 4 are far away from each other and clamped in the limiting groove 5, and the base 2 is mounted on the mounting base 1;

referring to fig. 1 and 5, the lens bodies 12 are connected in the mounting grooves 11 in a snap-fit manner, and different lens bodies 12 are mounted on the corresponding bearing plates 10, and because the bearing plates 10 are connected to the connecting shaft 8 in a bearing manner, when different lens bodies 12 need to be used, the corresponding bearing plates 10 can be rotated to the right end of the connecting shaft 8 for use;

with reference to fig. 3 and 4, the nitrile rubber layer 1003 is installed between the outer layer 1001 and the inner layer 1004 through the adhesive layer 1002, so the nitrile rubber layer 1003 can have wear resistance, wear to the mounting groove 11 when the lens body 12 is prevented from being mounted, and meanwhile, the nitrile rubber layer 1003 has certain elasticity, so that the lens body 12 can be clamped on the mounting groove 11, when the lens body 12 is not needed, the bearing plate 10 is rotated to rotate all the bearing plates 10 to the left end of the connecting shaft 8, the protective sleeve 14 is clamped on the bearing plate 10, dust is prevented from falling on the lens body 12, and the structure is the working principle of the lens fixing structure for the gas chromatograph convenient to mount.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lens fixed knot constructs for gas chromatograph easy to assemble, includes mount pad (1) and lens body (12), its characterized in that: the upper end of the mounting seat (1) is placed with the base (2), the inner part of the base (2) is rotatably connected with the adjusting rod (3), the adjusting rod (3) is connected with the inner part of the upper end of the limiting block (4) in a penetrating manner, the lower end monomers of the limiting block (4) are connected with each other through the waterproof spring (13), the inner wall of the mounting seat (1) is provided with the limiting groove (5), the upper end of the limiting block (4) is fixedly connected with the connecting block (6), the connecting block (6) is placed in the track (7), the track (7) is arranged in the upper end of the base (2), the upper end of the base (2) is fixedly connected with the connecting shaft (8), the upper end of the connecting shaft (8) is placed with the connecting cover (9), the connecting shaft (8) is connected with the bearing plate (10) in a penetrating manner, and the mounting groove (11) is connected with a lens body (12) in a clamping manner, and the left end of the bearing plate (10) is placed in the protective sleeve (14).

2. The lens fixing structure for a gas chromatograph easy to assemble of claim 1, wherein: the longitudinal section shapes of the base (2) and the mounting seat (1) are concave, and the outer surface of the adjusting rod (3) rotatably connected with the inside of the base (2) is of a bidirectional threaded structure.

3. The lens fixing structure for a gas chromatograph easy to assemble of claim 1, wherein: the limiting blocks (4) are symmetrically arranged front and back about a longitudinal central axis of the base (2), the limiting blocks (4) and the rails (7) form a sliding structure, and the longitudinal section of each limiting block (4) is L-shaped.

4. The lens fixing structure for a gas chromatograph easy to assemble of claim 1, wherein: the connecting shaft (8) is connected with the bearing plate (10) through a bearing, the bearing plates (10) are arranged on the connecting shaft (8) at equal intervals, and the connecting shaft (8) is connected with the connecting cover (9) through threads.

5. The lens fixing structure for a gas chromatograph easy to assemble of claim 1, wherein: the bearing plate (10) comprises an outer layer (1001), a bonding layer (1002), a nitrile rubber layer (1003) and an inner layer (1004), wherein the bonding layer (1002) is connected to the lower end of the outer layer (1001) in an adhering mode, the nitrile rubber layer (1003) is installed between monomers of the bonding layer (1002), and the inner layer (1004) is connected to the lower end of the nitrile rubber layer (1003) in an adhering mode.

6. The lens fixing structure for a gas chromatograph easy to assemble of claim 1, wherein: the inner width of the protective sleeve (14) is equal to the sum of the widths of the bearing plates (10), and the bearing plates (10) are provided with mounting grooves (11) matched with the lens bodies (12).