Adjustable muffle furnace built-in support

Abstract

The utility model discloses an adjustable built-in support of a muffle furnace, which relates to the technical field of supports of muffle furnaces and comprises bent pipe frames arranged left and right at intervals, adjacent bent pipe frames are connected through a cross rod, a scale rod is arranged on the rear side of the cross rod, and the scale rod and the cross rod are connected with the bent pipe frames through threads. A plurality of limiting pipes are arranged between the scale rod and the cross rod at intervals, arc-shaped clamping plates are arranged at the ends, corresponding to the scale rod, of the limiting pipes, the arc-shaped clamping plates are connected to the scale rod in a clamped mode, adjustable assemblies are arranged at the ends, corresponding to the cross rod, of the limiting pipes and comprise cross rods, and the front ends and the rear ends of the cross rods are provided with limiting ends and screwing-in ends respectively. Through the arrangement of the adjustable assemblies, the distance between the limiting pipes can be conveniently adjusted, so that the adjustable test tube rack can be suitable for placement of test tubes or crucibles of different models, meanwhile, the models of the test tubes or the crucibles on the cross rods can be recognized by pasting corresponding labels on the corresponding cross rods, and the test tubes or the crucibles are easier to find.

Description

TECHNICAL FIELD

[0001] The utility model relates to muffle furnace support technical field, concretely is a built -in support of adjustable muffle furnace. BACKGROUND

[0002] The main purpose of muffle furnace is concentrated on high temperature heating and processing various materials. It is often used in the heat treatment process of metal, alloy, ceramic and other materials, such as annealing, quenching, tempering, solid solution treatment, to improve the organizational structure of materials, improve the mechanical properties and physical properties of materials.

[0003] High-temperature-resistant and corrosion-resistant shelves can be placed in the muffle furnace to ensure that the samples are not contaminated. Common materials include ceramics, quartz and heat-resistant source materials, which can withstand high temperatures and maintain good stability.

[0004] The internal of traditional muffle furnace is mostly fixed refractory brick support, which cannot be flexibly adjusted in space layout, is difficult to adapt to test tubes or crucibles of different sizes, resulting in narrow application range of the support, and is not conducive to promotion. In order to improve this problem, we propose a built-in support of adjustable muffle furnace. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a built-in support of adjustable muffle furnace to solve the problem that the internal of muffle furnace is mostly fixed refractory brick support, which cannot be flexibly adjusted in space layout, is difficult to adapt to test tubes or crucibles of different sizes, resulting in narrow application range of the support, and is not conducive to promotion.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a built-in support of adjustable muffle furnace, comprising left and right interval arranged elbow pipe frame, adjacent elbow pipe frame is connected through cross bar, the rear side of cross bar is provided with scale rod, scale rod and cross bar are connected through thread and elbow pipe frame, a plurality of limit tubes are arranged at intervals between scale rod and cross bar, one end of scale rod corresponding to limit tube is provided with arc clamping plate, arc clamping plate is clamped on scale rod, scale is arranged on scale rod, one end of limit tube corresponding to cross bar is provided with adjustable assembly.

[0007] The adjustable assembly comprises a cross rod, limit ends and screw-in ends are arranged at the front and rear ends of the cross rod respectively, the centers of the limit ends and the screw-in ends are collinear, the screw-in end is connected with the limit tube through thread, a guide sliding groove is formed in one side of the cross bar corresponding to the limit tube, and the limit end is slidingly connected in the guide sliding groove.

[0008] Preferably, the groove width of the guide sliding groove is equal to the diameter of the limit end, and the limit end is vertically inserted into the guide sliding groove.

[0009] Preferably, the limiting pipe and the crossbar, the scale rod center line are perpendicular to each other, and the crossbar and the scale rod center line are parallel to each other.

[0010] Preferably, the right front of the crossbar is provided with a label plate, and the label plate is fixed on the crossbar by screws.

[0011] Preferably, the length of the guide sliding groove is less than the length of the crossbar, and the setting direction of the guide sliding groove is parallel to the center line of the crossbar.

[0012] Preferably, the crossbar and the corresponding side scale rod are in the same horizontal plane, and the crossbar and the scale rod have equal diameters.

[0013] Preferably, the pipe diameter of the elbow bracket is greater than the pipe diameter of the crossbar, and the opening of the elbow bracket faces downward.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The adjustable built-in support of the muffle, by setting the crossbar and the scale rod between the adjacent elbow brackets, connecting the crossbar and the scale rod with the elbow bracket in a threaded manner, setting the limiting pipe between the crossbar and the scale rod, and setting the adjustable assembly on the side of the limiting pipe corresponding to the crossbar, the distance between the limiting pipe and the crossbar is less than the distance between the scale rod center line and the groove bottom of the guide sliding groove, the limiting pipe can slide on the crossbar along the center line direction of the crossbar, so that the distance between the adjacent limiting pipes can be adjusted as required, and after the crossbar is rotated in the opposite direction, the crossbar can be rotated out of the limiting pipe by a certain distance, so that the end of the crossbar is attached to the groove bottom of the guide sliding groove, and the arc-shaped clamping plate is clamped on the scale rod, in this state, the limiting pipe cannot slide in the guide sliding groove on the crossbar, so that the position of the limiting pipe is fixed, and the corresponding type of test tube or crucible is placed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a front view schematic view of the utility model;

[0018] Figure 3 It is a top view schematic view of the utility model;

[0019] Figure 4 It is a Figure 3 enlarged schematic view of M of the utility model;

[0020] Figure 5 The utility model discloses a limiting pipe structure schematic view;

[0021] Figure 6 The utility model discloses an adjustable assembly structure schematic view.

[0022] In the drawing: 1, elbow frame; 2, cross bar; 21, guide chute; 3, label plate; 4, scale rod; 5, scale; 6, adjustable assembly; 61, cross rod; 62, limiting end; 63, screwing end; 7, limiting pipe; 8, arc clamping plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment: please refer to Figures 1-6 The utility model provides a kind of technical solutions: a adjustable muffle built-in support, including left and right interval setting elbow frame 1, wherein, elbow frame 1 is hollow inside pipe bending and becomes.In adjacent elbow frame 1 between by cross bar 2 connection, the pipe diameter of elbow frame 1 is greater than the pipe diameter of cross bar 2, and elbow frame 1 opening faces downwards.Elbow frame 1 is set with scale rod 4 in the rear side of cross bar 2, and cross bar 2 and the scale rod 4 of corresponding side are all in same horizontal plane, and the pipe diameter of cross bar 2 and scale rod 4 is equal.Scale rod 4 and cross bar 2 are all connected with elbow frame 1 by thread, by the setting of cross bar 2 and scale rod 4, adjacent elbow frame 1 can be connected, and cross bar 2 and scale rod 4 are fixed with elbow frame 1 using the way of thread, can facilitate the disassembly of entire support, make it more easily transportable.

[0025] Please refer to Figures 1-3 Among them, multiple limiting pipes 7 are interval set between scale rod 4 and cross bar 2, and one end of limiting pipe 7 corresponding scale rod 4 is provided with arc clamping plate 8, arc clamping plate 8 is clamped on scale rod 4, and scale 5 is set on scale rod 4, and one end of limiting pipe 7 corresponding cross bar 2 is provided with adjustable assembly 6;The center line of limiting pipe 7 and cross bar 2, scale rod 4 is all perpendicular to each other, and the center line of cross bar 2 and scale rod 4 is parallel to each other.Through the observation of scale 5 on scale rod 4, the interval between adjacent limiting pipes 7 can be known, so that it can be suitable for different pipe diameter test tube and crucible placement, it is worth mentioning that, the setting number of limiting pipe 7 can be selected according to actual use needs.

[0026] Please refer to figure Figure 3 , Figure 4 And Figure 6Wherein, the adjustable component 6 comprises a cross bar 61, the cross bar 61 is manufactured by turning process, a limiting end 62 and a screwing end 63 are arranged at the front and rear end of the cross bar 61 respectively, the limiting end 62 and the screwing end 63 are integrated, the limiting end 62 is a light pole, and the screwing end 63 is provided with threads outside, the cross bar 61 can be screwed into the limiting tube 7 through the threads,

[0027] Further, a guide sliding groove 21 is arranged at the side of the cross bar 2 corresponding to the limiting tube 7, the limiting end 62 is slidingly connected in the guide sliding groove 21, the groove width of the guide sliding groove 21 is equal to the diameter of the limiting end 62, and the limiting end 62 is vertically inserted into the guide sliding groove 21, the length of the guide sliding groove 21 is less than the length of the cross bar 2, and the setting direction of the guide sliding groove 21 is parallel to the center line of the cross bar 2, the guide sliding groove 21 can guide the position of the cross bar 61 on the cross bar 2, so that the cross bar 61 can slide along the center line direction of the cross bar 2, thereby only the spacing adjustment of the adjacent limiting tube 7 can be realized, and the use requirement can be met.

[0028] Please refer to Figure 1 In the embodiment, a label plate 3 is arranged at the right front of the cross bar 2, and the label plate 3 is fixed on the cross bar 2 by screws, labels can be pasted on the label plate 3 according to the requirement, and the model of the test tube or the crucible corresponding to the cross bar 2 can be marked on the labels, thereby the label plate 3 can facilitate the searching.

[0029] Working principle: the adjustable muffle furnace built-in support, before use, the spacing of the adjacent limiting tube 7 is adjusted according to the requirement, when adjusting, the scale 5 on the scale rod 4 is observed, and the screwing end 63 of the cross bar 61 is screwed into the limiting tube 7, at this time, the maximum distance between the limiting tube 7 and the cross bar 61 is less than the distance between the center line of the scale rod 4 and the groove bottom of the guide sliding groove 21, at this time, the limiting tube 7 can slide on the cross bar 2 along the center line direction of the cross bar 2, thereby the spacing of the adjacent limiting tube 7 can be adjusted according to the requirement, and after the cross bar 61 is reversely rotated, the cross bar 61 can be screwed out of the limiting tube 7 by a certain distance, the end of the cross bar 61 is attached to the groove bottom of the guide sliding groove 21, and the arc-shaped clamping plate 8 is clamped into the scale rod 4, in this state, the limiting tube 7 cannot slide in the guide sliding groove 21 on the cross bar 2, thereby the position of the limiting tube 7 is fixed, the test tube or the crucible of the corresponding model can be placed, and after the placement is completed, the whole support can be placed in the muffle furnace.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable built-in bracket for a muffle, comprising a left and right spaced apart elbow bracket (1), characterized in that: The adjacent elbow racks (1) are connected by cross bars (2), the rear side of the cross bar (2) is provided with a scale bar (4), the scale bar (4) and the cross bar (2) are connected with the elbow rack (1) through threads, a plurality of limiting tubes (7) are arranged between the scale bar (4) and the cross bar (2), the limiting tube (7) is provided with an arc-shaped clamping plate (8) at one end corresponding to the scale bar (4), the arc-shaped clamping plate (8) is clamped on the scale bar (4), the scale bar (4) is provided with a scale (5), and the limiting tube (7) is provided with an adjustable assembly (6) at one end corresponding to the cross bar (2). The adjustable assembly (6) comprises a cross bar (61), the cross bar (61) is provided with a limiting end (62) and a screwing end (63) at the front and rear ends respectively, the center lines of the limiting end (62) and the screwing end (63) are collinear, the screwing end (63) is connected with the limiting tube (7) through threads, and the cross bar (2) is provided with a guide sliding groove (21) on one side corresponding to the limiting tube (7).

2. The adjustable built-in stand for a muffle according to claim 1, characterized in that: The groove width of the guide sliding groove (21) is equal to the diameter of the limiting end (62), and the limiting end (62) is vertically inserted into the guide sliding groove (21).

3. The adjustable built-in stand for a muffle according to claim 1, characterized in that: The center lines of the limiting tube (7), the cross bar (2) and the scale bar (4) are perpendicular to each other, and the center lines of the cross bar (2) and the scale bar (4) are parallel to each other.

4. The adjustable built-in stand for a muffle as claimed in claim 1, wherein: The cross bar (2) is provided with a label plate (3) in front of the right side, and the label plate (3) is fixed on the cross bar (2) by screws.

5. The adjustable maranette built-in shelf of claim 1, wherein: The length of the guide sliding groove (21) is less than the length of the cross bar (2), and the setting direction of the guide sliding groove (21) is parallel to the center line of the cross bar (2).

6. The adjustable maranette built-in shelf of claim 1, wherein: The cross bar (2) and the corresponding side scale bar (4) are in the same horizontal plane, and the pipe diameters of the cross bar (2) and the scale bar (4) are equal.

7. The adjustable maranette built-in shelf of claim 1, wherein: The pipe diameter of the elbow rack (1) is greater than the pipe diameter of the cross bar (2), and the opening of the elbow rack (1) faces downward.

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