CN220817451U - Laboratory air supply system - Google Patents

Abstract

The application relates to a laboratory air supply system, which comprises an air storage tank and an air transmission pipeline, wherein the air transmission pipeline is communicated with the air storage tank; the gas pipeline is detachably arranged on a wall body, a pipe clamp is arranged on the wall body and used for limiting and fixing the gas pipeline and the wall body, the pipe clamp comprises a first connecting block and a second connecting block, the second connecting block is buckled with the first connecting block, and the first connecting block is fixedly connected with the wall body; a positioning concave part is concavely arranged on one side, far away from the wall body, of the first connecting block, and a first clamping groove is formed in the inner wall of the positioning concave part; the second clamping groove is formed in one side, close to the first connecting block, of the second connecting block, and when the first connecting block is buckled with the second connecting block, the axes of the first clamping groove and the second clamping groove are arranged in a collinear mode. The application has the effect of reducing the possibility that the gas pipeline pops out of the pipe clamp when the pipe clamp is opened by a worker.

Description

Laboratory air supply system

Technical Field

The application relates to the field of chemical test equipment, in particular to a laboratory air supply system.

Background

A centralized air supply system is an air supply mode which is increasingly commonly adopted by most laboratories. The centralized air supply system in the prior art mainly comprises an air storage tank, an air transmission pipeline, a switching device, a pressure regulating device, an air point for a terminal, an alarm device and the like. The centralized gas supply system conveys the gas in the gas storage tank to each dispersed gas point for the terminal through the gas pipeline after passing through the switching device and regulating the pressure.

Laboratory requirements for laboratory safety are very high, so that workers need to regularly inspect and replace gas pipelines. The number of the gas pipelines in the centralized gas supply system is very large, and currently, workers usually use pipe clamps to fix the gas pipelines; when a worker checks and replaces the gas pipeline, the pipe clamp is required to be opened and then the gas pipeline is required to be treated. However, when the pipe clamp is opened by a worker, the limit that the external force is lost by the gas transmission pipeline is easily popped out of the pipe clamp, so that other equipment is easily driven to shake, and the safety is low.

Disclosure of utility model

In order to reduce the likelihood that a gas line will pop out of the clamp when the clamp is opened by a worker, the present application provides a laboratory gas supply system.

The laboratory air supply system provided by the application adopts the following technical scheme:

The laboratory air supply system comprises an air storage tank and an air transmission pipeline, wherein the air transmission pipeline is communicated with the air storage tank; the gas pipeline is detachably arranged on a wall body, a pipe clamp is arranged on the wall body and used for limiting and fixing the gas pipeline and the wall body, the pipe clamp comprises a first connecting block and a second connecting block, the second connecting block is buckled with the first connecting block, and the first connecting block is fixedly connected with the wall body; a positioning concave part is concavely arranged on one side of the first connecting block far away from the wall body, an included angle between two adjacent side walls of the positioning concave part is 120-160 degrees, and a first clamping groove is formed in the inner wall of the positioning concave part; the second clamping groove is formed in one side, close to the first connecting block, of the second connecting block, and when the first connecting block is buckled with the second connecting block, the axes of the first clamping groove and the second clamping groove are arranged in a collinear mode.

Through adopting the technical scheme, the gas storage tank conveys gas into the gas pipeline, and then conveys the gas into the gas pipeline through the gas pipeline when a worker uses the pipe clamp to limit and fix the gas pipeline, the gas pipeline is firstly buckled into the first clamping groove, and then the second connecting block is buckled with the first connecting block; the inner wall contained angle of location concave part is 120 ~ 160, can effectually increase the perisporium area of the open cladding gas-supply pipeline of first draw-in groove to when increasing first draw-in groove joint gas-supply pipeline, the stability of gas-supply pipeline and first draw-in groove joint, when the staff changes and dismantles gas-supply pipeline, remove the back to the direction of keeping away from the wall body with the second connecting block, can reduce the gas-supply pipeline and follow the possibility that falls out and pop out in the first draw-in groove, and then can improve the security when the staff overhauls the pipeline.

Optionally, the lateral wall of first connecting block with the lateral wall of second connecting block rotates to be connected, the second connecting block is kept away from one side of first connecting block wears to be equipped with lock and bolt, lock and bolt are used for right first connecting block with the second connecting block carries out spacing fixedly.

Through adopting above-mentioned technical scheme, first connecting block rotates with the second connecting block to be connected and makes the staff examine and repair when changing gas-supply pipeline, and the second connecting block can be connected with first connecting block all the time to reduce the staff and examine and repair the possibility that the first connecting block leads to first connecting block to lose when changing gas-supply pipeline by accident touching.

Optionally, an anti-slip gasket is arranged on the bottom wall of the first clamping groove in a covering mode.

Through adopting above-mentioned technical scheme, the friction force between diapire and the gas transmission pipeline perisporium of first draw-in groove can be increased to reduce the possibility that gas transmission pipeline drops in from first draw-in groove, and then can improve the security when opening the pipe clamp to the gas transmission pipeline with the staff.

Optionally, a fastening component is arranged on the second connecting block, and the fastening component is used for limiting and fixing the gas pipeline and the pipe clamp.

By adopting the technical scheme, the fastening component is used for limiting and fixing the gas pipeline and the pipe clamp; after the gas pipeline is buckled into the pipe clamp, the fastening component can enable stability between the pipe clamp and the gas pipeline to be improved, so that the possibility that equipment connected with the gas pipeline is affected due to shaking of the gas pipeline is reduced, and safety of a laboratory is improved.

Optionally, the fastening component comprises a fastening bolt, the fastening bolt is penetrated and rotatably connected to the second connecting block, and the length direction of the fastening bolt is perpendicular to the wall body; the end wall of the fastening screw, which is close to one end of the wall, is abutted with the peripheral wall of the gas pipeline.

Through adopting above-mentioned technical scheme, fastening bolt can be to being close to or keep away from the direction reciprocating motion of wall body, after the staff detained the gas-supply pipeline into the pipe clamp, remove fastening bolt to the direction that is close to first connecting block for fastening bolt is close to the perisporium butt of wall body's one end and gas-supply pipeline, thereby realizes the fixed to pipe clamp and gas-supply pipeline.

Optionally, the fastening bolt is close to the one end rotation of first linkage piece is provided with the butt piece, the butt piece adopts elastic material.

Through adopting above-mentioned technical scheme, fastening bolt's tip is harder, and the butt piece of elastic material is with gas-supply pipeline butt, can reduce fastening bolt's hard tip and will lead to the fact the possibility of wearing and tearing to gas-supply pipeline to can prolong gas-supply pipeline's life.

Optionally, a side of the abutting block, which is close to the first connecting block, is curved.

Through adopting above-mentioned technical scheme, the butt piece is the curved surface setting and can increase the area of contact between butt piece and the gas pipeline when the pipe clamp is fixed to the gas pipeline to the stability of gas pipeline in the pipe clamp has been improved.

Optionally, the butt piece is kept away from one side of first connecting block is fixed and is provided with the sleeve, telescopic one end with butt piece fixed connection, the other end with fastening bolt threaded connection, telescopic outer wall is the prism setting.

By adopting the technical scheme, a worker drives the sleeve to move along the direction approaching to or separating from the wall body by controlling the fastening bolt to axially rotate around the axis direction of the worker, so that the position of the abutting block is adjusted; the butt piece and the sleeve are rotationally connected, so that the butt piece can only move along the direction perpendicular to the wall body, the possibility that the butt piece rotates along with the rotation of the fastening screw to enable the curved surface of the butt piece to deviate is reduced, and the stability between the gas pipeline and the pipe clamp is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the pipe clamp is used for limiting and fixing the gas pipeline, the peripheral wall of the gas pipeline is buckled into the first clamping groove, the second connecting block rotates towards the direction close to the first connecting block, so that the other part of the gas pipeline is buckled into the second clamping groove, and the lock and the bolt are used for limiting and fixing the first connecting block and the second connecting block; the worker can rotate through controlling the fastening bolt, so that the sleeve and the abutting block are driven to move towards the direction close to the bottom wall of the first clamping groove, the gas transmission pipeline is attached to the pipe clamp, and the possibility that the gas transmission pipeline falls off due to shaking is reduced; when the gas pipeline needs to be overhauled, a worker pulls the second connecting block to rotate in the direction away from the first connecting block after unlocking the lock and the bolt, the circumferential wall area of the gas pipeline buckled into the first clamping groove is larger than that of the second clamping groove, and most of the circumferential wall of the gas pipeline is still abutted to the bottom wall of the first clamping groove after unlocking the pipe clamp, so that the possibility that the gas pipeline falls and pops out from the first clamping groove is reduced, and the safety of the worker when overhauling the gas pipeline can be improved.

Drawings

FIG. 1 is a schematic diagram of a laboratory air supply system according to the present application;

FIG. 2 is a schematic structural view of a pipe clamp;

FIG. 3 is a schematic view of the pipe clamp in another state;

Fig. 4 is a partial cross-sectional view of the pipe clamp.

Reference numerals illustrate: 1. a gas storage tank; 2. a gas line; 3. a pipe clamp; 31. a first connection block; 311. a positioning concave part; 312. a first clamping groove; 313. an anti-slip gasket; 32. a second connection block; 321. positioning convex parts; 322. a second clamping groove; 323. a through groove; 4. a fastening assembly; 41. a fastening bolt; 42. a sleeve; 43. an abutment block; 5. locks and bolts.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

The embodiment of the application discloses a laboratory air supply system.

Referring to fig. 1 and 2, a laboratory gas supply system includes a gas storage tank 1, a gas pipeline 2 detachably arranged on a wall, a pipe clamp 3 and a fastening assembly 4, wherein the gas pipeline 2 is communicated with the gas storage tank 1, and gas in the gas storage tank 1 can be transmitted to a gas point for a laboratory terminal through the gas pipeline 2; the pipe clamp 3 can limit and fix the gas pipeline 2 and the wall body; the fastening assembly 4 can limit and fix the gas pipeline 2 and the pipe clamp 3. The embodiment is provided with a plurality of gas storage tanks 1 and a plurality of groups of gas transmission pipelines 2, and the plurality of gas storage tanks 1 and the plurality of gas transmission pipelines 2 are arranged one to one so as to convey different gases to an experiment place.

Referring to fig. 1 and 2, the pipe clamp 3 includes a first connection block 31 and a second connection block 32 which are stacked; the first connecting block 31 is fixedly connected with the wall body, and the side wall of the second connecting block 32 in the height direction is rotationally connected with the side wall of the first connecting block 31 in the height direction; one side of the second connecting block 32 far away from the first connecting block 31 is provided with a lock and a bolt 5, and the lock and the bolt 5 sequentially penetrate through the second connecting block 32 and the first connecting block 31, so that limiting fixation of the first connecting block 31 and the second connecting block 32 is realized.

Referring to fig. 3, when the worker overhauls and replaces the gas pipe 2, the second connection block 32 is always hinged to the first connection block 31, so that the possibility that the worker accidentally touches the first connection block 31 to cause the first connection block 31 to be lost when overhauling and replacing the gas pipe 2 can be reduced.

Referring to fig. 2 and 3, a positioning concave portion 311 is concavely disposed on a side of the first connecting block 31 away from the wall, a projection plane of the positioning concave portion 311 along the height direction of the first connecting block 31 is a concave waveform, an included angle between two adjacent side walls of the positioning concave portion 311 is 120 ° -160 °, and the included angle adopted in the embodiment is 140 °; the second connecting block 32 is provided with a positioning convex portion 321 near one side of the first connecting block 31, and when the first connecting block 31 is buckled with the second connecting block 32, the positioning convex portion 321 can be buckled into the positioning concave portion 311, and the side wall of the positioning convex portion 321 is attached to the side wall of the positioning concave portion 311.

Referring to fig. 3, a first clamping groove 312 for buckling a part of the peripheral wall of the gas pipeline 2 is concavely formed at the bottom of the positioning concave part 311; the convex part of the positioning convex part 321 is concavely provided with a second clamping groove 322 which can be used for buckling part of the peripheral wall of the gas pipeline 2; the peripheral wall area of the gas pipeline 2 buckled into the first clamping groove 312 is larger than the peripheral wall area of the buckled into second clamping groove 322, so that the possibility that the gas pipeline 2 falls and pops out from the first clamping groove 312 when the second connecting block 32 moves to the side far away from the first connecting block 31 is reduced, and the safety of workers in overhauling the pipeline can be improved.

Referring to fig. 1 and 3, the first grooved bottom wall is covered with an anti-slip pad 313, and when the gas pipe 2 abuts against the bottom wall of the first clamping groove 312, the anti-slip pad 313 can increase friction between the bottom wall of the first clamping groove 312 and the peripheral wall of the gas pipe 2, thereby reducing the possibility that the gas pipe 2 falls off from the first clamping groove 312, and further improving the safety of a worker when the pipe clamp 3 is opened to overhaul the gas pipe 2.

Referring to fig. 4, the fastening assembly 4 includes a fastening bolt 41 and a sleeve 42, a through groove 323 is formed at a side of the second connection block 32 away from the wall, and an extending direction of the through groove 323 is parallel to a width direction of the second connection block 32; the sleeve 42 is inserted into the through groove 323, and the sleeve 42 can slide back and forth along the extending direction of the through groove 323; the fastening bolt 41 is in threaded connection with one end of the sleeve 42 far away from the first connecting block 31, and one end of the sleeve 42 near the first connecting block 31 is provided with an abutting block 43; when the pipe clamp 3 limits and fixes the gas pipeline 2, one side of the abutting block 43 away from the bottom wall of the second clamping groove 322 abuts against the peripheral wall of the gas pipeline 2.

Referring to fig. 3, the abutment block 43 is made of an elastic material, and in this embodiment, the abutment block 43 is made of a rubber material. When the abutting block 43 abuts against the gas pipeline 2, the abutting block 43 made of elastic materials can deform elastically, the shape of the peripheral wall of the gas pipeline 2 can be adapted to the abutting block 43, the abutting block 43 can be attached to the peripheral wall of the gas pipeline 2, and therefore stability of the gas pipeline 2 in the pipe clamp 3 can be improved.

Referring to fig. 4, the fastening bolt 41 is a countersunk bolt, and the fastening bolt 41 is embedded in a side wall of the second connection block 32 on a side far away from the first connection block 31, so that the possibility that the fastening bolt 41 protrudes from the second connection block 32 and is scratched by passers-by staff can be reduced.

After the gas pipeline 2 is buckled between the first connecting block 31 and the second connecting block 32, a worker can move the traction sleeve 42 and the abutting block 43 to a direction close to the bottom wall of the first clamping groove 312 by rotating the fastening bolt 41, so that the gas pipeline 2 can be tightly attached to the pipe clamp 3, and the stability of the gas pipeline 2 in the pipe clamp 3 is improved.

Referring to fig. 4, the abutting block 43 is disposed in a curved surface on a side close to the bottom wall of the first clamping groove 312, so that the contact area between the abutting block 43 and the gas pipeline 2 when the gas pipeline 2 is fixed by the pipe clamp 3 can be increased, and the stability of the gas pipeline 2 in the pipe clamp 3 can be improved.

Referring to fig. 4, the outer wall of the sleeve 42 is provided in a prismatic shape, and when the fastening bolt 41 rotates around the direction of its own axis, the sleeve 42 and the abutment block 43 can be driven to move along the extending direction of the through groove 323; the fastening bolt 41 easily drives the sleeve 42 and the abutting block 43 to rotate when rotating; the outer wall of the sleeve 42 is prismatic, so that the movable space in the vertical direction of the sleeve 42 can be controlled, the possibility that the sleeve 42 and the abutting block 43 rotate along with the traction of the fastening bolt 41 can be reduced, and the curved surface of the abutting block 43 is always attached to the peripheral wall of the gas pipeline 2.

The embodiment of the application provides a laboratory air supply system, which is implemented by the following principles: when the pipe clamp 3 performs limit fixing on the gas pipeline 2, a part of the peripheral wall of the gas pipeline 2 is buckled in the first clamping groove 312, the second connecting block 32 rotates towards the direction close to the first connecting block 31, so that the other part of the gas pipeline 2 is buckled in the second clamping groove 322, and the lock and the bolt 5 perform limit fixing on the first connecting block 31 and the second connecting block 32; the worker can drive the sleeve 42 and the abutting block 43 to move towards the direction close to the bottom wall of the first clamping groove 312 by controlling the fastening bolt 41 to rotate, so that the gas pipeline 2 is attached to the pipe clamp 3, and the possibility that the gas pipeline 2 falls off due to shaking is reduced;

When the gas pipeline 2 needs to be overhauled, a worker pulls the second connecting block 32 to rotate in the direction away from the first connecting block 31 after unlocking the lock and the bolt 5, the circumferential wall area of the gas pipeline 2 buckled into the first clamping groove 312 is larger than the circumferential wall area of the buckled into the second clamping groove 322, so that most of the circumferential wall of the gas pipeline 2 is still abutted to the bottom wall of the first clamping groove 312 after unlocking the pipe clamp 3, the possibility that the gas pipeline 2 falls and pops out from the first clamping groove 312 is reduced, and the safety of the worker when overhauling the gas pipeline 2 can be improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (5)

1. The laboratory air supply system comprises an air storage tank (1) and an air pipeline (2), wherein the air pipeline (2) is communicated with the air storage tank (1); the gas pipeline (2) can be dismantled and set up on the wall body, be provided with pipe clamp (3) on the wall body, pipe clamp (3) are used for right gas pipeline (2) and wall body are spacing fixed, its characterized in that: the pipe clamp (3) comprises a first connecting block (31) and a second connecting block (32), the second connecting block (32) is buckled with the first connecting block (31), and the first connecting block (31) is fixedly connected to a wall body; a positioning concave part (311) is concavely arranged on one side of the first connecting block (31) far away from the wall body, an included angle between two adjacent side walls of the positioning concave part (311) is 120-160 degrees, and a first clamping groove (312) is formed in the inner wall of the positioning concave part (311); second draw-in groove (322) have been seted up to one side that second connecting block (32) are close to first connecting block (31), work as first connecting block (31) with when second connecting block (32) are buckled, first draw-in groove (312) with the axis of second draw-in groove (322) is the collineation setting.

2. A laboratory gas supply system according to claim 1, wherein: the side wall of first connecting block (31) with the lateral wall of second connecting block (32) rotates to be connected, second connecting block (32) are kept away from one side of first connecting block (31) is worn to be equipped with lock and bolt (5), lock and bolt (5) are used for right first connecting block (31) with second connecting block (32) are spacing fixed.

3. A laboratory gas supply system according to claim 1, wherein: a bottom wall of the first clamping groove (312) is covered and provided with an anti-slip gasket (313).

4. A laboratory gas supply system according to claim 1, wherein: the second connecting block (32) is provided with a fastening component (4), and the fastening component (4) is used for limiting and fixing the gas pipeline (2) and the pipe clamp (3).

5. A laboratory gas supply system according to claim 4, wherein: the fastening assembly (4) comprises a fastening bolt (41), the fastening bolt (41) penetrates through and is rotatably connected to the second connecting block (32), and the length direction of the fastening bolt (41) is perpendicular to the wall body; the end wall of the fastening bolt (41) close to one end of the wall is abutted with the peripheral wall of the gas pipeline (2).