Fixing device for sampling head of flue gas sampler

Abstract

The utility model discloses a sampling head fixing device of a flue gas sampler. The sampling head fixing device comprises a sleeve; the sampling head is inserted into the sleeve; the annular blocks are symmetrically arranged at two ends of the sleeve and are in threaded assembly; and the locking blocks are circumferentially arrayed on the side wall of the annular block and are wound on the sampling head. According to the sampling head fixing device of the flue gas sampler provided by the utility model, the annular blocks which are symmetrically arranged rotate towards two opposite directions, so that the annular blocks rotate and move towards the interior of the sleeve, and meanwhile, the annular blocks drive the locking blocks to rotate and tighten, so that the locking blocks are wound on the side wall of the sampling head, and the sampling head is fixed in the sleeve; clamping force is applied to the side wall of the whole sampling head through the locking block, so that the sampling head can be effectively prevented from being deformed in the long-time clamping process, the sampling head can be stably fixed for a long time, the sampling head is prevented from being loosened in the use process, the working efficiency of workers is not influenced, and the flue gas collection effect is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke sampling, in particular to a sampling head fixing device for a smoke sampler. Background Art

[0002] As today's society pays more and more attention to air pollution, many factories need to conduct flue gas detection regularly to prevent the flue gas pollutants generated in industrial production from exceeding the standard and causing air pollution. In the detection of flue gas, the flue gas sampling head needs to be fixed on the telescopic rod and extended into the chimney or flue to collect the flue gas in and out before the flue gas can be inspected. The traditional fixing method is to fix the flue gas sampling head by bolt-driven clamping blocks. Since the flue gas sampling head has a hollow structure inside and is used in conjunction with a suction pump to collect flue gas, the clamping block causes the flue gas sampling head to deform during the long-term clamping of the flue gas sampling head, and when the sampling head is cylindrical, the clamping block cannot stably clamp the sampling head for a long time, thereby reducing the flue gas collection effect. Utility Model Content

[0003] The utility model aims to provide a sampling head fixing device for a smoke sampler, so as to solve the above-mentioned problem.

[0004] In order to achieve the above purpose, the utility model provides the following technical solution: a smoke sampler sampling head fixing device, comprising:

[0005] Sleeve;

[0006] A sampling head inserted into the sleeve;

[0007] An annular block symmetrically arranged on the end face of the sleeve and threadedly assembled;

[0008] The circumferential array is arranged on the side wall of the annular block and is wound around the locking block on the sampling head.

[0009] Preferably, the sampling head is provided with a groove, and a barb block is fixedly installed in the groove.

[0010] Preferably, the annular block is provided with clamping jaws in a circular array, a protrusion is fixedly mounted on the top of the clamping jaw, the bottom end of the clamping jaw extends into the groove, and the bottom end of the clamping jaw is movably connected to the barbed block.

[0011] Preferably, an annular rubber block is fixedly mounted on the side wall of the sampling head.

[0012] Preferably, friction balls in a linear array are fixedly mounted on the bottom end of the locking block, and the friction balls abut against the annular rubber block.

[0013] In the above technical scheme, the utility model provides a sampling head fixing device for a smoke sampler, which has the following beneficial effects: by rotating the symmetrically arranged annular blocks in opposite directions, the annular blocks are rotated and moved into the sleeve, and at the same time, the annular blocks drive the locking blocks to rotate and tighten, so that the locking blocks are wrapped around the side walls of the sampling head, thereby fixing the sampling head in the sleeve, and applying a clamping force to the side walls of the entire sampling head through the locking blocks, which can not only effectively prevent the sampling head from being deformed during a long period of clamping, but also can stably fix the sampling head for a long time, thereby preventing the sampling head from loosening during use and affecting the work efficiency of workers, and effectively improving the smoke collection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the locking block structure of the utility model.

[0018] Description of reference numerals:

[0019] 1. Sleeve; 2. Ring block; 4. Locking block; 5. Friction ball; 6. Ring rubber block; 7. Clamping claw; 8. Bump; 9. Groove; 10. Barb block; 11. Sampling head. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1-3 As shown, a sampling head fixing device for a smoke sampler comprises:

[0022] Sleeve 1;

[0023] A sampling head 11 inserted into the sleeve 1;

[0024] Annular blocks 2 symmetrically arranged at both ends of the sleeve 1 and threadedly assembled;

[0025] The locking blocks 4 are arranged in a circumferential array on the side wall of the annular block 2 and are wrapped around the sampling head 11 .

[0026] Specifically, the annular block 2 is threadedly matched with the sleeve 1, so that the annular block 2 can move horizontally into the sleeve 1 during the rotation process, and the symmetrically arranged annular blocks 2 rotate in opposite directions at the same time, so that the annular block 2 pulls the locking block 4 to wrap around the side wall of the sampling head 11, and the locking block 4 is gradually tightened during the movement of the annular block 2 into the sleeve 1, so that the locking block 4 clamps the sampling head 11 in the sleeve 1, which can effectively prevent the sampling head 11 from loosening and deformation during use, thereby improving the fixing effect of the sampling head 11.

[0027] In the above embodiment, the symmetrically arranged annular blocks 2 are rotated in opposite directions so that the annular blocks 2 are rotated and moved into the sleeve 1. At the same time, the annular blocks 2 drive the locking blocks 4 to rotate and tighten, so that the locking blocks 4 are wrapped around the side walls of the sampling head 11, thereby fixing the sampling head 11 in the sleeve 1. The locking blocks 4 apply a clamping force to the side walls of the entire sampling head 11, which can not only effectively prevent the sampling head 11 from being deformed during the long-term clamping process, but also can stably fix the sampling head 11 for a long time, thereby preventing the sampling head 11 from loosening during use, affecting the work efficiency of the workers, and effectively improving the smoke collection effect.

[0028] As an embodiment further provided by the present invention, a groove 9 is provided on the sampling head 11 , and a barb block 10 is fixedly installed in the groove 9 .

[0029] Furthermore, the annular block 2 is provided with clamping jaws 7 in a circular array, a protrusion 8 is fixedly mounted on the top of the clamping jaw 7, the bottom end of the clamping jaw 7 extends into the groove 9, and the bottom end of the clamping jaw 7 is movably connected to the barb block 10.

[0030] Specifically, in the process of the annular block 2 moving into the sleeve 1, the sleeve 1 simultaneously squeezes multiple protrusions 8 to move toward the axis of the annular block 2. The sleeve 1 squeezes the protrusions 8, so that the protrusions 8 are forced to push the clamping jaws 7 to move into the grooves 9 opened on the sampling head 11. The clamping jaws 7 move into the grooves 9 and engage with the barb blocks 10, so that the clamping jaws 7 fix the sampling head 11, thereby improving the fixing effect of the sampling head 11.

[0031] As another embodiment further provided by the present invention, a ring-shaped rubber block 6 is fixedly mounted on the side wall of the sampling head 11 .

[0032] Furthermore, friction balls 5 in a linear array are fixedly mounted on the bottom end of the locking block 4 , and the friction balls 5 abut against the annular rubber block 6 .

[0033] Specifically, the locking block 4 is wrapped around the side wall of the sampling head 11, so that the friction ball 5 installed on the locking block 4 abuts against the annular rubber block 6 installed on the sampling head 11, thereby increasing the friction between the locking block 4 and the sampling head 11 and improving the fixing effect. The annular rubber block 6 and the friction ball 5 cooperate to buffer the pressure on the sampling head 11 to avoid deformation of the sampling head 11 caused by excessive pressure.

[0034] Working principle: By rotating the two annular blocks 2 screwed on the sleeve 1 and rotating them in opposite directions at the same time, the annular block 2 pulls the locking block 4 to wrap around the side wall of the sampling head 11, and the annular block 2 moves into the sleeve 1 along the thread line, so that the locking block 4 is continuously tightened to fix the sampling head 11 during the winding process, and the friction balls 5 arrayed on the locking block 4 abut against the annular rubber block 6 installed on the sampling head 11, so that the friction force between the locking block 4 and the sampling head 11 is increased, thereby improving the locking effect of the locking block 4. In the process of the annular block 2 moving into the sleeve 1, the sleeve 1 squeezes the protrusion 8, so that the protrusion 8 pushes the clamping jaw 7 to move into the groove 9 and engage with the barb block 10, so that the clamping jaw 7 can clamp the sampling head 11, thereby improving the fixing effect.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A smoke sampler sampling head fixing device, characterized in that: include: Sleeve (1); A sampling head (11) inserted into the sleeve (1); Annular blocks (2) symmetrically arranged at both ends of the sleeve (1) and threadedly assembled; A locking block (4) is arranged in a circumferential array on the side wall of the annular block (2) and is wound around the sampling head (11).

2. A smoke sampler sampling head fixing device according to claim 1, characterized in that: The sampling head (11) is provided with a groove (9), and a barb block (10) is fixedly installed in the groove (9).

3. A smoke sampler sampling head fixing device according to claim 1, characterized in that: The annular block (2) is provided with clamping jaws (7) in a circumferential array, a protrusion (8) is fixedly mounted on the top of the clamping jaw (7), the bottom end of the clamping jaw (7) extends into the groove (9), and the bottom end of the clamping jaw (7) is movably connected to the barb block (10).

4. A smoke sampler sampling head fixing device according to claim 1, characterized in that: An annular rubber block (6) is fixedly mounted on the side wall of the sampling head (11).

5. A smoke sampler sampling head fixing device according to claim 1, characterized in that: The bottom end of the locking block (4) is fixedly mounted with friction balls (5) in a linear array, and the friction balls (5) abut against the annular rubber block (6).

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