Sampling device for soil detection

Abstract

The utility model discloses a sampling device for soil detection, which comprises a sampling barrel, an operating rod and a plurality of extension rods, the top ends of the sampling barrel and the extension rods are fixedly connected with internal thread barrels, and the bottom ends of the extension rods and the operating rod are provided with connecting mechanisms matched with the internal thread barrels. The connecting mechanism comprises a connecting rod fixedly installed at the bottom end of the extension rod and the bottom end of the operating rod, the bottom end of the outer wall of the connecting rod is provided with an external thread matched with the internal thread cylinder, the outer wall of the connecting rod is sleeved with a non-return mechanism, and a plurality of inclined grooves are formed in the top end of the internal thread cylinder in a circumferential distribution mode. When the sampling device is used, after the bottom end of the sampling barrel is inserted into soil, the sleeve slides up and down on the operating rod, so that the baffle is continuously impacted by the sleeve, and the sampling barrel can gradually go deep into the soil by utilizing the impact force of the sleeve on the baffle; only the required number of extension rods need to be additionally arranged between the operating rod and the sampling barrel, and operation is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil sampling technology field, specifically a soil detection is with sampling device. BACKGROUND

[0002] The soil needs to be sampled and detected in the work of geological exploration and environmental management in different fields, through the search, the patent with the announcement number CN221594327U discloses a kind of soil sampling device for environmental detection, it is combined by hand strength and foot strength, solve when the soil collection is carried out in some hard soil, only rely on hand strength is more difficult, even cannot the problem that sampling cylinder is inserted into soil, simultaneously different from traditional foot treads fixed installation in the both sides of main rod, the foot treads of the application are installed between main rod and insertion rod, that is, on the center line of main rod, so that the force of foot can be all perpendicular to sampling cylinder, so that sampling cylinder is better inserted into hard soil.

[0003] The above scheme can improve the depth of the sampling cylinder inserted into the soil by the cooperation of the lower limbs and the foot treads during the initial insertion of the sampling cylinder into the soil, but when the sampling cylinder needs to be further inserted into the soil, the lower limbs are difficult to continue to exert force on the foot treads, and the length of the device is fixed, which greatly limits the sampling depth and has great limitations in use, and needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of soil detection is with sampling device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of soil detection is with sampling device, including sampling cylinder, operating rod and multiple extension rods, the top of sampling cylinder and extension rod is all fixedly connected with internal thread cylinder, the bottom of extension rod and operating rod is all installed with the connecting mechanism compatible with internal thread cylinder, the connecting mechanism includes the connecting rod fixedly installed in the bottom of extension rod and operating rod, the outer wall bottom of connecting rod is provided with the external thread compatible with internal thread cylinder, the outer wall of connecting rod is equipped with non-return mechanism, the top of internal thread cylinder is circumferentially distributed and is provided with multiple inclined grooves, the inclined groove is compatible with non-return mechanism, the top of operating rod is fixedly connected with handle, the outer wall of operating rod is fixedly sleeved with baffle, the outer wall of operating rod above baffle is slidably sleeved with sleeve.

[0007] As a further scheme of the utility model: the outer wall bottom of sleeve is fixedly sleeved with check ring.

[0008] As a further scheme of the utility model: the bottom of the baffle is fixedly connected with multiple rib plates, and the rib plates are fixedly connected with the outer wall of the operating rod.

[0009] As a further scheme of the utility model: the reverse prevention mechanism comprises a sliding sleeve sleeved on the connecting rod, the sliding sleeve can slide in the length direction of the connecting rod, the bottom of the sliding sleeve is circumferentially provided with multiple bevel gears, and the bevel gears are matched with the bevel grooves.

[0010] As a further scheme of the utility model: the outer wall of the sliding sleeve is provided with a guide groove, and a guide pin is arranged in the guide groove, and the guide pin is fixedly connected with the connecting rod.

[0011] As a further scheme of the utility model: the outer wall bottom end of the connecting rod is fixedly sleeved with a baffle ring, the sliding sleeve is located below the baffle ring, and the connecting rod is sleeved with a spring on the outer wall between the baffle ring and the sliding sleeve.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] When the utility model is used, the bottom end of the sampling cylinder is inserted into the soil, the sleeve is slid up and down on the operating rod, the sleeve continuously impacts the baffle, the impact force of the sleeve on the baffle can make the sampling cylinder gradually penetrate into the soil, when deep soil layer needs to be sampled, the required number of extension rods can be installed between the operating rod and the sampling cylinder, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a sampling device for soil detection.

[0015] Figure 2 It is Figure 1 the local enlarged view.

[0016] Figure 3 It is a structural schematic view of a connecting rod in a sampling device for soil detection.

[0017] Among them, the sampling cylinder 1, the extension rod 2, the operating rod 3, the handle 4, the baffle 5, the rib plate 6, the sleeve 7, the baffle ring 8, the inner thread cylinder 9, the bevel groove 10, the connecting mechanism 11, the connecting rod 12, the baffle ring 13, the sliding sleeve 14, the spring 15, the guide pin 16, the guide groove 17 and the bevel gear 18. CONCRETE EMBODIMENT

[0018] The technical solutions in the embodiments of the present utility model will be apparently and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0019] Please refer to Figures 1 to 3 In the embodiments of the present utility model, a sampling device for soil detection comprises a sampling cylinder 1, an operating rod 3 and multiple extension rods 2, the top end of the sampling cylinder 1 and the extension rod 2 is fixedly connected with an internally threaded cylinder 9, the bottom end of the extension rod 2 and the operating rod 3 is installed with a connecting mechanism 11 matched with the internally threaded cylinder 9, the connecting mechanism 11 comprises a connecting rod 12 fixedly installed at the bottom end of the extension rod 2 and the operating rod 3, the outer wall bottom end of the connecting rod 12 is provided with external threads matched with the internally threaded cylinder 9, the outer wall of the connecting rod 12 is sleeved with a non-return mechanism, the top end of the internally threaded cylinder 9 is circumferentially provided with multiple inclined grooves 10, the inclined grooves 10 are matched with the non-return mechanism, the top end of the operating rod 3 is fixedly connected with a handle 4, the outer wall of the operating rod 3 is fixedly sleeved with a baffle 5, and the outer wall of the operating rod 3 above the baffle 5 is slidably sleeved with a sleeve 7.

[0020] The present utility model discloses a sampling device for soil detection, which comprises a sampling cylinder, an operating rod and multiple extension rods.

[0021] Specifically combined Figure 2 In one embodiment of the present utility model, the outer wall bottom end of the sleeve 7 is fixedly sleeved with a retaining ring 8, through the setting of the retaining ring 8, the hands of the operator can be blocked at the bottom end of the sleeve 7, so as to avoid the hands of the operator being clamped between the bottom surface of the sleeve 7 and the top surface of the baffle 5, thereby avoiding the harm to the operator.

[0022] Specifically combined Figure 2 In one embodiment of the present utility model, the bottom of the baffle 5 is fixedly connected with multiple rib plates 6, and the rib plates 6 are fixedly connected with the outer wall of the operating rod 3, through the setting of the multiple rib plates 6, the connection strength of the baffle 5 and the operating rod 3 and the impact resistance of the baffle 5 can be effectively improved, thereby improving the service life of the device.

[0023] Specifically combined with the drawings and Figure 3In an embodiment of the utility model, the reverse prevention mechanism includes the sleeve 14 that sets up on connecting rod 12, sleeve 14 can slide in the length direction of connecting rod 12, the bottom of sleeve 14 is circumferentially distributed with multiple bevel teeth 18, bevel tooth 18 is adapted with inclined groove 10.

[0024] When the outer thread bottom end of connecting rod 12 is screwed into inner thread cylinder 9, under the cooperation of bevel tooth 18 and inclined groove 10, whenever bevel tooth 18 falls into inclined groove 10, and connecting rod 12 continues to rotate relative to inner thread cylinder 9, bevel tooth 18 will slide up along inclined groove 10, thereby pushing sleeve 14 to slide up on connecting rod 12, so that the bottom end of connecting rod 12 can be smoothly screwed into inner thread cylinder 9, and when connecting rod 12 and inner thread cylinder 9 are cooperated in place, each bevel tooth 18 at the bottom end of sleeve 14 just falls into the corresponding inclined groove 10, so that connecting rod 12 cannot be turned off on inner thread cylinder 9, to avoid loosening between operating rod 3, connecting rod 2 and sampling cylinder 1 during use of the device.

[0025] Specifically combined Figure 2 In an embodiment of the utility model, the outer wall of sleeve 14 is provided with guide slot 17, and guide pin 16 is arranged in guide slot 17, guide pin 16 is fixedly connected with connecting rod 12, through the cooperation of guide pin 16 and guide slot 17, sleeve 14 can be guided on connecting rod 12, so that sleeve 14 cannot rotate relative to connecting rod 12, and the movement range of sleeve 14 on connecting rod 12 can be limited, in addition, when it is needed to screw connecting rod 12 out of inner thread cylinder 9, sleeve 14 only needs to slide on connecting rod 12, so that each bevel tooth 18 is separated from inclined groove 10, then the tool such as pin and screwdriver is clamped in the space above guide pin 16 of guide slot 17, sleeve 14 cannot continue to move on connecting rod 12, so that bevel tooth 18 cannot cooperate with inclined groove 10 again, at this time, connecting rod 12 can be easily rotated on inner thread cylinder 9.

[0026] Specifically combined Figure 2 And Figure 3 In an embodiment of the utility model, the outer wall bottom end of connecting rod 12 is fixedly sleeved with stop ring 13, sleeve 14 is located below stop ring 13, and spring 15 is sleeved on the outer wall between stop ring 13 and sleeve 14 of connecting rod 12.

[0027] Through the setting of stop ring 13 and spring 15, a downward thrust can be always applied to sleeve 14, to ensure the stability of the cooperation between bevel tooth 18 and inclined groove 10 under non-human operation.

[0028] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sampling device for soil testing, characterized by: The utility model relates to a sampling device, including sampling cylinder (1), operating rod (3) and a plurality of extension rods (2), the top of sampling cylinder (1) and extension rod (2) are fixedly connected with internal thread cylinder (9), the bottom of extension rod (2) and operating rod (3) are installed with the connecting mechanism (11) of being suitable for internal thread cylinder (9), the connecting mechanism (11) includes the connecting rod (12) of fixed mounting in the bottom of extension rod (2) and operating rod (3), the outer wall bottom of connecting rod (12) is provided with the external thread of being suitable for internal thread cylinder (9), the outer wall of connecting rod (12) is equipped with the non-return mechanism, the top of internal thread cylinder (9) is circularly distributed and is provided with a plurality of inclined grooves (10), the inclined groove (10) is suitable for non-return mechanism, the top of operating rod (3) is fixedly connected with handle (4), the outer wall of operating rod (3) is fixedly sleeved with baffle (5), the outer wall of operating rod (3) is slidably sleeved with sleeve (7) above baffle (5).

2. A sampling device for soil testing according to claim 1, characterized in that: The outer wall bottom of sleeve (7) is fixedly sleeved with baffle ring (8).

3. The sampling device for soil testing according to claim 1, characterized in that: The bottom of baffle (5) is fixedly connected with a plurality of rib plates (6), and rib plate (6) is fixedly connected with the outer wall of operating rod (3).

4. The sampling device for soil testing according to claim 1, characterized in that: The non-return mechanism includes sleeve (14) on connecting rod (12), sleeve (14) can slide in the length direction of connecting rod (12), the bottom of sleeve (14) is circularly distributed and is provided with a plurality of inclined teeth (18), and inclined tooth (18) is suitable for inclined groove (10).

5. A sampling device for soil testing according to claim 4, characterised in that: The outer wall of sleeve (14) is provided with guide groove (17), and guide pin (16) is arranged in guide groove (17), and guide pin (16) is fixedly connected with connecting rod (12).

6. A sampling device for soil testing according to claim 4, characterized in that: The outer wall bottom of connecting rod (12) is fixedly sleeved with baffle ring (13), sleeve (14) is below baffle ring (13), and the outer wall of connecting rod (12) between baffle ring (13) and sleeve (14) is sleeved with spring (15).

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