Building mortar on-site sampler

Abstract

The utility model relates to the technical field of building construction, and discloses a building mortar on-site sampler which comprises a sampling pipe, a sample containing groove is formed in the left end of the sampling pipe, the sampling pipe is of a hollow structure, the sample containing groove is communicated with the sampling pipe, and a piston block is arranged on the inner wall of the sampling pipe in a sliding mode. A drawing rod is fixedly connected to the outer wall of one side of the piston block and extends to the outer side of the sampling pipe, and a mounting rod is fixedly connected to the end, located on the outer side of the sampling pipe, of the drawing rod. According to the utility model, the sealing block is rotationally screwed out from the end part of the mounting rod through the threaded end and the threaded groove, and after the sealing block is screwed out, the first inserting rod at the end part of the sealing block is inserted into the inserting groove, so that the sealing block is attached to the end part of the sampling tube, and then the positioning rod is inserted into the first positioning groove opening; the sealing block is positioned, so that the sampling tube can be well sealed, and the sampling tube sealing device is practical and suitable for being widely popularized and used.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a building mortar on-site sampler. Background Art

[0002] Concrete is put into construction and production as a wall material. Before the concrete is used, it needs to be tested to prevent the building from collapsing due to poor concrete quality. When testing the quality of concrete, a sampling device is first needed to sample the concrete mortar.

[0003] A search of CN219608515U discloses a mortar sampler, comprising a sampling tube and an insertion tube rotatably connected to the bottom end of the sampling tube, the bottom end of the sampling tube is a funnel-shaped structure, the top end of the sampling tube is threadedly connected to a blocking cover, a guide tube is vertically fixed on the top of the blocking cover, a lifting rod is vertically movably provided inside the guide tube, a cross bar is laterally fixed to the top end of the lifting rod, a dynamic sealing plate is horizontally provided in the lower part of the sampling tube, and the bottom end of the lifting rod is fixed to the top of the dynamic sealing plate; the utility model facilitates the mortar entering the insertion tube to be sucked into the sampling tube during the mortar sampling operation through the cooperation of the sampling tube, the insertion tube and the dynamic sealing plate, and at the same time, the sampling port for the mortar to enter is closed during the sampling operation, and at the same time, the taken mortar sample can be quickly discharged from the sampling tube, thereby improving the convenience of mortar sampling.

[0004] However, the inventors have discovered through exploration that the technical solution still has at least the following defects: in the above-mentioned device, a sealing plug is provided to seal the sampling tube to prevent the mortar from leaking out of the sampling port, but the sealing plug has a hollow structure, which may cause part of the mortar to remain in the sealing plug and cannot be well treated.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A construction mortar on-site sampler comprises a sampling tube, a sample holding groove is installed at the left end of the sampling tube, the sampling tube is a hollow structure, and the sample holding groove is communicated with the sampling tube, a piston block is slidably arranged on the inner wall of the sampling tube, a pull-out rod is fixedly connected to the outer wall of one side of the piston block, the pull-out rod extends to the outside of the sampling tube, one end of the pull-out rod located at the outside of the sampling tube is fixedly connected to a mounting rod, a sealing block is screwed and installed at the end position of the mounting rod, the sealing block is a circular structure, the diameter of the sealing block is the same as the diameter of the sampling tube, a symmetrically arranged first plug-in rod is fixedly connected to the outer wall of one side of the sealing block, a first positioning notch is provided on the first plug-in rod, a symmetrically arranged plug-in groove is provided at the left end of the sampling tube, the first plug-in rod is adapted to the plug-in groove, a symmetrically arranged second plug-in rod is fixedly connected to the outer wall of one side of the sample holding groove, the second plug-in rod has the same specification as the first plug-in rod, and the second plug-in rod is adapted to the plug-in groove.

[0008] As a preferred embodiment of the utility model, a non-slip handle is fixedly connected to the right end of the sampling tube, a through hole is opened in the middle of the non-slip handle, and a pull rod is slidably arranged on the inner wall of the through hole.

[0009] As a preferred embodiment of the utility model, the end of the mounting rod is provided with a threaded end, a threaded groove is opened in the middle of one side of the sealing block, and the threaded end is screwed on the inner wall of the threaded groove.

[0010] As a preferred embodiment of the utility model, symmetrically arranged movable grooves are provided on both sides of the sampling tube, and positioning rods are provided inside the two movable grooves, and the positioning rods are adapted to the first positioning notch.

[0011] As a preferred embodiment of the present invention, the second plug-in rod is provided with a second positioning notch, the first positioning notch and the second positioning notch have the same inner diameter, and the positioning rod is matched with the second positioning notch.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] According to the utility model, after the sample tank is stabilized, the staff holds the non-slip grip to insert the sample tank and the sampling tube into the concrete mortar. After the front ends of the sample tank and the sampling tube are inserted into the concrete mortar, the pull-out rod is pulled to move horizontally, and the pull-out rod drives the piston block to move horizontally, thereby forming negative pressure. Under the action of the negative pressure suction force, the mortar is drawn into the sampling tube through the sample tank, and the sampling work of the mortar is realized. When the sampling is completed, the sample tank and the sampling tube are drawn out of the concrete mortar by holding the non-slip grip. After the drawing out, the positioning rod is pulled out from the second After the sample holding tank is disassembled, the sealing block is rotated and unscrewed from the end position of the mounting rod through the set threaded end and the threaded groove. After unscrewing, the first connecting rod at the end position of the sealing block is inserted into the plug-in groove, so that the sealing block fits the end position of the sampling tube, and then the positioning rod is inserted into the first positioning groove to realize the positioning of the sealing block, thereby achieving a better sealing effect on the sampling tube.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In the attached picture:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the sealing block structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the sample holding tank structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the sampling tube of the utility model from top view;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the sealing block of the utility model;

[0021] Figure 6 It is a schematic diagram of a partial top view and cross-section structure of the sampling tube of the utility model.

[0022] In the figure: 1. sampling tube; 2. non-slip grip; 3. sample holding slot; 4. pull-out rod; 5. sealing block; 6. mounting rod; 7. first plug-in rod; 8. first positioning notch; 9. movable slot; 10. positioning rod; 11. piston block; 12. threaded end; 13. threaded slot; 14. second plug-in rod; 15. plug-in slot; 16. second positioning notch. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0024] like Figures 1 to 6 Shown

[0025] A construction mortar on-site sampler comprises a sampling tube 1, a sample holding slot 3 is installed at the left end of the sampling tube 1, the sampling tube 1 is a hollow structure, and the sample holding slot 3 is communicated with the sampling tube 1, a non-slip handle 2 is fixedly connected to the right end of the sampling tube 1, a through hole is opened in the middle of the non-slip handle 2, and a pull rod 4 is slidably arranged on the inner wall of the through hole, a piston block 11 is slidably arranged on the inner wall of the sampling tube 1, and a pull rod 4 is fixedly connected to the outer wall of one side of the piston block 11, and the pull rod 4 extends to the outside of the sampling tube 1, and one end of the pull rod 4 located on the outside of the sampling tube 1 is fixedly connected to the installation After the sample tank 3 is stabilized, the staff holds the non-slip handle 2 to insert the sample tank 3 and the sampling tube 1 into the concrete mortar. After the front ends of the sample tank 3 and the sampling tube 1 are inserted into the concrete mortar, the pull-out rod 4 is pulled to move horizontally, and the pull-out rod 4 drives the piston block 11 to move horizontally, thereby forming a negative pressure. Under the action of the negative pressure suction, the mortar is drawn into the sampling tube 1 through the sample tank 3 to achieve the sampling of the mortar. The end position of the installation rod 6 is screwed with a sealing block 5, which is a circular structure. The diameter is the same as that of the sampling tube 1. A threaded end 12 is provided at the end of the mounting rod 6. A threaded groove 13 is provided in the middle of one side of the sealing block 5. The threaded end 12 is screwed on the inner wall of the threaded groove 13. A symmetrically arranged first plug-in rod 7 is fixedly connected to the outer wall of one side of the sealing block 5. The first plug-in rod 7 is provided with a first positioning notch 8. A symmetrically arranged plug-in groove 15 is provided at the left end of the sampling tube 1. The first plug-in rod 7 is adapted to the plug-in groove 15. When the sample tank 3 is disassembled, the sealing block 5 is removed from the mounting rod 6 through the threaded end 12 and the threaded groove 13. The end position of the mounting rod 6 is rotated and unscrewed. After unscrewing, the first plug-in rod 7 at the end position of the sealing block 5 is inserted into the plug-in groove 15, so that the sealing block 5 fits the end position of the sampling tube 1, and then the positioning rod 10 is inserted into the first positioning groove 8 to achieve the positioning effect on the sealing block 5, so that the sampling tube 1 can have a better sealing effect. A symmetrically arranged second plug-in rod 14 is fixedly connected to the outer wall of one side of the sample holding groove 3. The second plug-in rod 14 has the same specifications as the first plug-in rod 7, and the second plug-in rod 14 is adapted to the plug-in groove 15.

[0026] In a specific embodiment, symmetrically arranged movable grooves 9 are provided on both sides of the sampling tube 1, and positioning rods 10 are provided inside the two movable grooves 9, and the positioning rods 10 are adapted to the first positioning notch 8, and the second plug-in rods 14 are provided with second positioning notches 16, and the first positioning notch 8 and the second positioning notch 16 have the same inner diameter, and the positioning rods 10 are adapted to the second positioning notch 16, and the sample tank 3 is installed at the end position of the sampling tube 1 through the second plug-in rods 14 and the plug-in grooves 15, so that the second plug-in rods 1 4 is inserted into the plug-in slot 15, and the sample holding slot 3 contacts the opposite end of the sampling tube 1, and then the positioning rod 10 is inserted into the second positioning slot 16 to realize the positioning of the sample holding slot 3. When the sampling is completed, the sample holding slot 3 and the sampling tube 1 are pulled out of the concrete mortar by holding the non-slip handle 2. After being pulled out, the positioning rod 10 is taken out from the second positioning slot 16, and then the sample holding slot 3 is pulled to move, so that the second plug-in rod 14 slides out of the plug-in slot 15, and the sample holding slot 3 is disassembled.

[0027] The implementation principle of a construction mortar on-site sampler of this embodiment is as follows:

[0028] When in use, the sample holding groove 3 is installed at the end position of the sampling tube 1 through the second plug-in rod 14 and the plug-in groove 15, so that the second plug-in rod 14 is inserted into the plug-in groove 15, and the sample holding groove 3 contacts the opposite end of the sampling tube 1, and then the positioning rod 10 is inserted into the second positioning groove 16 to realize the positioning of the sample holding groove 3. When the sample holding groove 3 is stabilized, the staff holds the non-slip handle 2 to insert the sample holding groove 3 and the sampling tube 1 into the concrete mortar. When the front ends of the sample holding groove 3 and the sampling tube 1 are inserted into the concrete mortar, the pulling rod 4 is pulled to move horizontally, and the pulling rod 4 drives the piston block 11 to move horizontally, thereby forming negative pressure. Under the action of the negative pressure suction, the mortar is drawn into the sampling tube 1 through the sample holding groove 3 to realize the sampling of the mortar. When the sampling is completed, the non-slip handle 2 is held to remove the sample holding groove 3 and the sampling tube 1 from the concrete mortar. After the sample tank 3 is disassembled, the sealing block 5 is rotated and unscrewed from the end position of the mounting rod 6 through the provided threaded end 12 and the threaded groove 13. After unscrewing, the first plug-in rod 7 at the end position of the sealing block 5 is inserted into the plug-in groove 15, so that the sealing block 5 fits the end position of the sampling tube 1, and then the positioning rod 10 is inserted into the first positioning groove 8 to realize the positioning of the sealing block 5, so that the sampling tube 1 can have a better sealing effect. After the sampling tube 1 is sealed, the sampling tube 1 filled with mortar can be transferred to the mortar quality testing site, and then the mortar in the sampling tube 1 can be discharged to test the mortar quality.

Claims

1. A construction mortar on-site sampler, comprising a sampling tube (1), characterized in that: A sample holding groove (3) is installed at the left end of the sampling tube (1); the sampling tube (1) is a hollow structure, and the sample holding groove (3) is communicated with the sampling tube (1); a piston block (11) is slidably arranged on the inner wall of the sampling tube (1); a pull-out rod (4) is fixedly connected to the outer wall of one side of the piston block (11); the pull-out rod (4) extends to the outside of the sampling tube (1); an end of the pull-out rod (4) located outside the sampling tube (1) is fixedly connected to a mounting rod (6); a sealing block (5) is screwed and installed at the end of the mounting rod (6); the sealing block (5) is a circular structure; the sealing block (5) The diameter of the sealing block (5) is the same as the diameter of the sampling tube (1); a symmetrically arranged first plug rod (7) is fixedly connected to the outer wall of one side of the sealing block (5); the first plug rod (7) is provided with a first positioning notch (8); a symmetrically arranged plug groove (15) is provided at the left end of the sampling tube (1); the first plug rod (7) is matched with the plug groove (15); a symmetrically arranged second plug rod (14) is fixedly connected to the outer wall of one side of the sample holding tank (3); the second plug rod (14) has the same specifications as the first plug rod (7); and the second plug rod (14) is matched with the plug groove (15).

2. A construction mortar on-site sampler according to claim 1, characterized in that: The right end of the sampling tube (1) is fixedly connected to a non-slip handle (2), a through hole is provided in the middle of the non-slip handle (2), and a pull rod (4) is slidably arranged on the inner wall of the through hole.

3. A construction mortar on-site sampler according to claim 1, characterized in that: The end of the mounting rod (6) is provided with a threaded end (12), a threaded groove (13) is provided in the middle of one side of the sealing block (5), and the threaded end (12) is screwed onto the inner wall of the threaded groove (13).

4. A construction mortar on-site sampler according to claim 1, characterized in that: The sampling tube (1) is provided with symmetrically arranged movable grooves (9) on both sides, and positioning rods (10) are arranged inside the two movable grooves (9), and the positioning rods (10) are adapted to fit the first positioning notches (8).

5. A construction mortar on-site sampler according to claim 4, characterized in that: The second plug-in rod (14) is provided with a second positioning notch (16), the first positioning notch (8) and the second positioning notch (16) have the same inner diameter, and the positioning rod (10) is adapted to fit the second positioning notch (16).

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