CN210427098U

CN210427098U - Sampling device

Info

Publication number: CN210427098U
Application number: CN201921283183.7U
Authority: CN
Inventors: 苏惠明; 裴正才
Original assignee: CRRC Tangshan Co Ltd
Current assignee: CRRC Tangshan Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-28
Anticipated expiration: 2029-08-08

Abstract

The utility model provides a sampling device, which belongs to the technical field of sewage treatment and comprises a sampling rod, a tray and a gland, wherein a sampling measuring cylinder is arranged on the rod body of the sampling rod; the tray is used for supporting the sampling measuring cylinder and is fixedly arranged on the sampling rod; the gland is connected to the sampling rod through a quick-release clamp, is used for downwards compressing the sampling measuring cylinder and is provided with a water inlet, and is provided with an occupying block for adjusting the volume of the sampling measuring cylinder; the utility model provides a sampling device need not carry out the secondary with sample solution after taking out and shifts, can prevent to lead to detecting inaccurate problem because of mud subsides.

Description

Sampling device

Technical Field

The utility model belongs to the technical field of sewage treatment, more specifically say, relate to a sampling device.

Background

When sewage is treated by an activated sludge method, the settlement ratio of sludge in the reaction chamber needs to be regularly detected, and the sludge content in the reaction chamber and the coagulation and settlement performance of the sludge are monitored. The existing sampling process is that a certain amount of sample solution is taken out from a reaction chamber through a container, then poured into a measuring cylinder and kept stand for 30 minutes; the sample solution after standing can be used for detection. In the process, the sample solution is required to be left in the container for a period of time before being poured into the measuring cylinder, and the sludge in the sample solution can be rapidly settled in the period of time, so that the detection result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device aims at solving among the above-mentioned prior art because of sample solution stops in the container, and mud subsides fast and leads to detecting inaccurate problem.

In order to achieve the above object, the utility model adopts the technical scheme that a sampling device is provided, include:

the sampling rod is provided with a sampling measuring cylinder;

the tray is used for supporting the sampling measuring cylinder and is fixedly arranged on the sampling rod; and

the gland is connected on the sampling rod through a quick-release clamp, the gland is used for compressing tightly downwards the sampling measuring cylinder is provided with a water inlet, and the gland is provided with a position occupying block used for adjusting the sampling measuring cylinder.

Further, the gland lower extreme is equipped with and is used for the butt spacing briquetting of sample graduated flask upper end, the briquetting is equipped with first outer circular conical surface.

Furthermore, a cylindrical surface used for limiting the sampling measuring cylinder is further arranged on the pressing block.

Furthermore, the occupation block is detachably arranged at the lower end of the pressing block.

Further, the quick detach clamp include with gland fixed connection's elasticity hoop, elasticity hoop is equipped with the opening, elasticity hoop is in with the help of setting up the quick detach subassembly cramp or loosen at the opening part.

Furthermore, the quick release assembly comprises a connecting rod penetrating through two side walls of the opening of the elastic hoop and an eccentric handle hinged to one end of the connecting rod, and the eccentric handle is used for changing the size of the opening.

Further, the sampling rod is a telescopic rod, the sampling rod comprises an inner rod and an outer rod which are sleeved in a sliding mode, and the inner rod and the outer rod are relatively fixed through a locking mechanism.

Further, the sample graduated flask sets firmly in the outer pole lower extreme, locking mechanism includes:

the locking seat is fixedly arranged at the upper end of the outer rod and is provided with an external thread and an internal conical surface;

the locking sleeve is sleeved on the inner rod in a sliding manner, and an inner thread used for being screwed with the locking seat is arranged on the inner wall of the locking sleeve; and

the elastic taper sleeve is used in cooperation with the inner conical surface of the locking seat, the elastic taper sleeve is slidably sleeved on the inner rod and located between the locking seat and the locking sleeve, the outer conical surface of the elastic taper sleeve is evenly provided with a dividing groove, and the locking sleeve is used for pushing the elastic taper sleeve axially to enable the elastic taper sleeve to clamp the inner rod.

Furthermore, be equipped with the spacer pin on the tray, be equipped with on the sample graduated flask be used for with the pinhole of spacer pin adaptation, the sample graduated flask with the tray is with the help of the spacing joint of spacer pin and pinhole.

Furthermore, the edge of the tray is provided with a flange, and the tray is provided with a water leakage hole.

Compared with the prior art, the sampling device provided by the utility model has the advantages that the sampling measuring cylinder is extended into the reaction chamber through the sampling rod for sampling, and is fixed on the sampling rod through the gland and the tray; the occupation block arranged on the pressing block can reduce the volume of the sampling measuring cylinder and adjust the volume of the sampling measuring cylinder to the required size; the sample solution that takes out can directly be used for detecting in the sample graduated flask, has saved the process of pouring to the graduated flask from the container, has prevented that the sample solution from taking place the problem that mud subsides and leads to detecting inaccurate because of stopping in the container.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a sampling device according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic side view of a sampling device according to an embodiment of the present invention;

FIG. 4 is an enlarged view at B of FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 3;

fig. 6 is a schematic structural view of the connection between the other gland and the upper end of the sampling measuring cylinder according to the embodiment of the present invention shown in fig. 4;

fig. 7 is a schematic structural view of a quick release clamp according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an elastic taper sleeve according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a tray according to an embodiment of the present invention.

In the figure: 1. a sampling rod; 11. an inner rod; 12. an outer rod; 2. a tray; 21. a spacing pin; 22. blocking edges; 23. a water leakage hole; 3. a gland; 31. a bit occupying block; 32. briquetting; 33. a cylindrical surface; 4. sampling a measuring cylinder; 5. a quick release clamp; 51. an elastic band; 52. a connecting rod; 53. an eccentric handle; 54. a side wall; 6. a locking mechanism; 61. a locking seat; 62. a locking sleeve; 63. an elastic taper sleeve; 631. and (6) dividing the groove.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2 and fig. 4 together, the sampling device of the present invention will now be described. The sampling device comprises a sampling rod 1, a tray 2 and a gland 3; a sampling measuring cylinder 4 is arranged on the rod body of the sampling rod 1; the tray 2 is used for supporting the sampling measuring cylinder 4 and is fixedly arranged on the sampling rod 1; gland 3 is connected on sample arm 1 through quick detach clamp 5, and gland 3 is used for compressing tightly sample graduated flask 4 downwards and is equipped with the water inlet, is equipped with the placeholder 31 that is arranged in putting into sample graduated flask 4 on gland 3.

Compared with the prior art, the sampling device provided by the utility model has the advantages that the sampling measuring cylinder 4 is extended into the reaction chamber through the sampling rod 1 for sampling, and the sampling measuring cylinder 4 is fixed on the sampling rod 1 through the gland 3 and the tray 2; the occupying block 31 arranged on the pressing block 32 can reduce the volume of the sampling measuring cylinder 4 and adjust the volume of the sampling measuring cylinder 4 to a required size; the sample solution that takes out can directly be used for detecting in sample graduated flask 4, has saved the process of pouring to the graduated flask from the container, has prevented that sample solution from taking place the problem that mud subsides and lead to detecting inaccurate because of staying in the container.

The utility model provides a sampling device, which is used for placing a sampling measuring cylinder 4 on a tray 2, loosening a quick-release clamp 5 to enable a gland 3 to press the upper end of the sampling measuring cylinder 4 downwards from top to bottom, and fixing the sampling measuring cylinder 4 on a sampling rod 1; a sampling rod 1 extends into the reaction chamber, and liquid enters a sampling measuring cylinder 4 from a water inlet on a gland 3; after waiting that sample graduated flask 4 is full of liquid, take out the reaction chamber with sample graduated flask 4 through thief rod 1, loosen quick detach clamp 5, make gland 3 no longer compress tightly sample graduated flask 4 upper end, take off sample graduated flask 4 from tray 2, accomplish the sample process.

As a specific embodiment of the sampling device provided in the present invention, please refer to fig. 4, the lower end of the gland 3 is provided with a pressing block 32 for abutting the upper end of the spacing sampling measuring cylinder 4, and the pressing block 32 is provided with a first external conical surface. Specifically, the first external conical surface is inverted, the diameter of the bottom surface is smaller than that of the top surface, and the spacer 31 is arranged at the lower end of the pressing block 32; the gland 3, the pressing block 32 and the position occupying block 31 are generally of an integrated structure, can also be of a split structure, and are connected in a threaded or clamping manner and the like; the water inlet on the gland 3 vertically penetrates through the gland 3, the pressing block 32 and the occupying block 31, and the liquid in the reaction chamber can flow into the sampling measuring cylinder 4 through the water inlet. The bottom surface diameter of the first outer conical surface is smaller than the inner diameter of the sampling measuring cylinder 4, so that the first outer conical surface can conveniently extend into the sampling measuring cylinder 4, the outer conical surface is abutted against and pressed against the upper end of the sampling measuring cylinder 4 from top to bottom, and the outer conical surface is fixed between the tray 2 and the gland 3.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, a cylindrical surface 33 for limiting the sampling cylinder 4 is further disposed on the pressing block 32. In fig. 6, for convenience of illustration, the pressure piece 32 is not in contact with the upper end of the sampling cylinder 4. In this embodiment, the first external conical surface on the pressing block 32 is used for guiding the pressing block 32 when extending into the sampling measuring cylinder 4, so that the pressing block 32 can conveniently extend into the sampling measuring cylinder 4; and then the cylindrical surface 33 is attached to the inner wall of the sampling measuring cylinder 4 to limit and clamp the sampling measuring cylinder 4. Specifically, the cylindrical surface 33 is generally an outer cylindrical surface, and the diameter of the cylindrical surface is equal to the inner diameter of the sampling measuring cylinder 4, the lower end of the cylindrical surface 33 is connected to the upper end of the first outer cylindrical surface, the outer cylindrical surface enters the sampling measuring cylinder 4 and then coincides with the inner wall of the sampling measuring cylinder 4, and the upper end of the sampling measuring cylinder 4 abuts against the lower surface of the gland 3 and is pressed downward. Compared with the previous embodiment in which the first external conical surface abuts and limits the upper end of the sampling measuring cylinder 4 through point contact, the present embodiment limits the upper end of the sampling measuring cylinder through the surface contact between the cylindrical surface 33 and the cylindrical surface of the sampling measuring cylinder 4, and the connection is more reliable and stable. In this embodiment, gland 3 carries out spacing from top to bottom to sample graduated flask 4, and face of cylinder 33 carries out circumference spacing to sample graduated flask 4, prevents that the upper end circumference of sample graduated flask 4 from rocking.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 6, the occupying block 31 is detachably disposed at the lower end of the pressing block 32. Thereby realize adjusting the volume of sample graduated flask 4 to not equidimension through the placeholder 31 of changing different specifications, satisfy multiple use occasion. Specifically, the occupying block 31 is connected to the lower end of the pressing block 32 and can be detachably connected with the pressing block 32 through threaded connection; the position block 31 is a hollow cylinder, and can be set to different volumes by setting different lengths and wall thicknesses to form different specifications, and occupies different internal spaces of the sampling measuring cylinder 4, so that the volume of the sampling measuring cylinder 4 can be adjusted. Specifically, the volume of the sampling cylinder 4 is 100 ml or 1000 ml.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 7, the quick release clamp 5 includes an elastic hoop 51 fixedly connected to the gland 3, the elastic hoop 51 is provided with an opening, and the elastic hoop 51 is tightened or loosened by the quick release component disposed at the opening. The quick release assembly is used for changing the size of the opening so as to adjust the size of the inner diameter of the elastic hoop ring 51; when the opening is smaller and the inner diameter of the elastic band 51 is smaller, the elastic band 51 can be tightened on the sampling rod 1, and when the opening is larger and the inner diameter of the elastic band 51 is larger, a gap is formed between the elastic band 51 and the sampling rod 1, and the elastic band 51 can slide along the sampling rod 1.

Referring to fig. 7, the quick release assembly includes a connecting rod 52 passing through two side walls 54 of an opening of the elastic band 51 and an eccentric handle 53 hinged to one end of the connecting rod 52, and the eccentric handle 53 is used for changing the size of the opening. By changing the size of the opening, the inner diameter of the elastic band 51 is increased or decreased, so that the elastic band 51 and the sampling rod 1 are tightened or loosened. Specifically, the connecting rod 52 penetrates through the two side walls 54 at the same time, one end of the connecting rod 52 is provided with a limiting block which can be abutted against one side wall 54, and the other end of the connecting rod 52 is hinged with an eccentric handle 53; the eccentric knob 53 is an eccentric block at the position where it contacts the side wall 54, and in the state shown in fig. 7, the distance between the rotation axis of the eccentric knob 53 and the side wall 54 is relatively long, and the eccentric knob 53 pushes the side wall 54 to reduce the opening of the opening, so that the inner diameter of the elastic band 51 is reduced, and the sampling rod 1 can be clamped; when the eccentric knob 53 is rotated outward, the distance between the rotation axis of the eccentric knob 53 and the side wall 54 becomes shorter, the opening degree of the opening becomes larger, a gap is formed between the elastic band 51 and the sampling rod 1, and the elastic band 51 can slide along the sampling rod 1. Through the concrete structure of above-mentioned quick detach subassembly, can make 3 fastening connections of gland on sample rod 1 or slide along sample rod 1, fix sample graduated flask 4 on sample rod 1 or take off from sample rod 1 from convenient and fast's realization.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, the sampling rod 1 is a telescopic rod, the sampling rod 1 includes an inner rod 11 and an outer rod 12, which are slidably sleeved, and the inner rod 11 and the outer rod 12 are relatively fixed by means of the locking mechanism 6. In general, a certain distance is reserved between the reaction chamber and a sampling port on the equipment, and the length of the telescopic rod is adjustable, so that the sampling rod 1 can adapt to different use places; meanwhile, the telescopic rod is convenient to store, and when the sampling rod is not used, the locking mechanism 6 is loosened, so that the sampling rod 1 is shortened, and the occupied space is reduced; when the sampling rod is used, the sampling rod 1 is extended, and the inner rod 11 and the outer rod 12 are fixed through the locking mechanism 6 to perform sampling. Specifically, the upper end of the inner rod 11 is provided with a handle for holding.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3, fig. 5 and fig. 8, the sampling cylinder 4 is fixedly arranged at the lower end of the outer rod 12, and the locking mechanism 6 includes a locking seat 61, a locking sleeve 62 and an elastic taper sleeve 63; the locking seat 61 is fixedly arranged at the upper end of the outer rod 12, and the locking seat 61 is provided with an external thread and an internal conical surface; the locking sleeve 62 is sleeved on the inner rod 11 in a sliding manner, and the inner wall of the locking sleeve 62 is provided with an internal thread for screwing the locking seat 61; the elastic taper sleeve 63 is used for being matched with the inner conical surface of the locking seat 61, the elastic taper sleeve 63 is slidably sleeved on the inner rod 11 and is located between the locking seat 61 and the locking sleeve 62, the outer conical surface of the elastic taper sleeve 63 is evenly provided with a dividing groove 631, and the locking sleeve 62 is used for pushing the elastic taper sleeve 63 axially to enable the elastic taper sleeve 63 to clamp the inner rod 11. Specifically, the dividing groove 631 is formed along a generatrix of the elastic taper sleeve 63 to divide the lower portion of the taper of the elastic taper sleeve 63 into a plurality of movable blocks. Specifically, the second external conical surface of the elastic taper sleeve 63 is used for being matched with the internal conical surface on the locking seat 61, and the taper of the second external conical surface is slightly smaller than that of the internal conical surface. When locking is carried out, the locking sleeve 62 is screwed to move downwards, the upper end of the locking sleeve 62 pushes the elastic taper sleeve 63 to move downwards, the inner conical surface forces the lower cone of the elastic taper sleeve 63 to contract inwards, and the inner rod 11 is clamped, so that the elastic taper sleeve 63 and the inner rod 11 are relatively fixed; at this time, the elastic taper sleeve 63 is relatively fixed with the outer rod 12 through the locking sleeve 62 and the locking seat 61, so that the inner rod 11 and the outer rod 12 are relatively fixed. When the locking sleeve 62 is unscrewed, the locking sleeve 62 moves upwards, the elastic taper sleeve 63 loses the pushing force of the locking sleeve 62, the lower taper of the elastic taper sleeve 63 is opened under the elastic action, the rod body of the inner rod 11 is not clamped, and the elastic taper sleeve 63 can slide along the inner rod 11. Specifically, the outer surface of the locking sleeve 62 may be knurled to facilitate screwing. The specific structure of the locking mechanism 6 can realize the locking or the loosening of the inner rod 11 and the outer rod 12, and the length of the sampling rod 1 can be conveniently and quickly adjusted.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 9, a limit pin 21 is disposed on the tray 2, a pin hole adapted to the limit pin 21 is disposed on the sampling measuring cylinder 4, and the sampling measuring cylinder 4 and the tray 2 are connected to each other by the limit pin 21 and the pin hole, so that the sampling measuring cylinder 4 can be stably and firmly fixed on the tray 2 during sampling, and the sampling measuring cylinder 4 is prevented from falling off from the tray 2.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 9, a flange 22 is disposed at the edge of the tray 2, and a water leakage hole 23 is disposed on the tray 2. The rib 22 further prevents the sampling cylinder 4 from falling off the tray 2. The water leakage hole 23 prevents the water from being stored in the tray 2.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sampling device, comprising:

the sampling rod is provided with a sampling measuring cylinder;

the gland is connected on the sampling rod through a quick-release clamp, the gland is used for compressing tightly downwards the sampling measuring cylinder is provided with a water inlet, and the gland is provided with a position occupying block used for being put into the sampling measuring cylinder.

2. The sampling device of claim 1, wherein the lower end of the gland is provided with a pressing block for abutting and limiting the upper end of the sampling measuring cylinder, and the pressing block is provided with a first external conical surface.

3. The sampling device of claim 2, wherein the pressing block is further provided with a cylindrical surface for limiting the sampling measuring cylinder.

4. The sampling device of claim 2, wherein the capture block is removably disposed at a lower end of the pressure block.

5. The sampling device of claim 1, wherein the quick release clamp comprises a resilient band fixedly connected to the gland, the resilient band having an opening, the resilient band being tightened or loosened by a quick release assembly disposed at the opening.

6. The sampling device of claim 5, wherein the quick release assembly comprises a connecting rod passing through two side walls of the opening of the elastic band and an eccentric handle hinged at one end of the connecting rod, and the eccentric handle is used for changing the size of the opening.

7. The sampling device of claim 1, wherein the sampling rod is a telescopic rod, the sampling rod comprises an inner rod and an outer rod which are slidably sleeved, and the inner rod and the outer rod are relatively fixed by a locking mechanism.

8. The sampling device of claim 7, wherein said sampling cylinder is fixedly attached to a lower end of said outer rod, and said locking mechanism comprises:

9. The sampling device according to claim 1, wherein a limit pin is arranged on the tray, a pin hole adapted to the limit pin is arranged on the sampling measuring cylinder, and the sampling measuring cylinder and the tray are in limit clamping connection by means of the limit pin and the pin hole.

10. The sampling device of claim 1, wherein the tray has a rim and a water leakage hole.