Size detection device for building fire-fighting acceptance

Abstract

The utility model discloses a size detection device for building fire protection acceptance, which comprises a base and a range finder main body, the bottom of the base is fixedly connected with a vertical rod, the bottom of the base is provided with three support rods which are arranged circumferentially, the vertical rod is provided with a limiting component, the top of the base is provided with an adjusting component, the support rods are hinged with the base, and the range finder main body is arranged on the base. According to the utility model, through the arrangement of the base, the range finder main body, the vertical rod, the supporting rod and the limiting part, the problem that the range finder can be fixed and cannot be used for fixing the range finder when an existing detection device is used is solved; the problems that range finders of different sizes can be fixed, but when the range finder is moved, after a plurality of first supporting rods are gathered together, the range finder is very easy to open again and inconvenient to carry and move, and the detection height of the range finder is inconvenient to adjust, so that the practicability is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building fire fighting equipment, in particular to a size detection device for building fire fighting acceptance. Background Art

[0002] Fire inspection and acceptance refers to the fire department's qualified investigation of fire inspections on enterprises and institutions when they are completed and put into operation. A rangefinder is a tool for measuring length or distance. During the fire inspection and acceptance of a building, a rangefinder is required for dimensional detection.

[0003] The existing patent CN216558811U discloses a size detection device for building fire inspection, including a placement block, a rectangular groove is provided on the surface of the placement block, a fixing block is provided on the inner wall of the rectangular groove, a spiral spring is fixedly connected to the surface of the fixing block, a rectangular strip is provided on the inner wall of the rectangular groove, a first fixing frame is fixedly connected to the surface of the rectangular strip, a fixing plate is fixedly connected to the surface of the first fixing frame, a mounting groove is provided on the surface of the placement block, a torsion spring is fixedly installed on the inner wall of the mounting groove, a second fixing frame is fixedly connected to the surface of the torsion spring, and the second fixing frame is movably connected to the placement block through the torsion spring; the rectangular strip on the surface of the first fixing frame slides in the rectangular groove, and the spiral spring on the surface of the rectangular strip makes the first fixing frame elastic, so that the distance measuring instrument can be fixed quickly and conveniently, and the second support rod and the second connecting block can fix the first support rod, and the arrangement is convenient for folding and carrying.

[0004] Based on the search of the above patents and in combination with the detection devices in the prior art, it is found that although the above detection device can fix the rangefinder when in use, it can fix rangefinders of different sizes. However, when it is moved, the multiple first support rods are gathered together and it is easy to open again, which is inconvenient to carry and move. In addition, it is inconvenient to adjust the detection height of the rangefinder, which leads to poor practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a size detection device for building fire inspection and acceptance, so as to solve the problem that the existing detection device proposed in the above background technology can fix the rangefinder when in use, and can fix rangefinders of different sizes, but when it is moved, after the multiple first support rods are gathered together, it is easy to open again, which is inconvenient to carry and move, and the detection height of the rangefinder is inconvenient to adjust, which leads to poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a size detection device for building fire inspection, comprising a base and a rangefinder body, the bottom of the base is fixedly connected with a vertical rod, the bottom of the base is provided with three support rods arranged in a circle, the vertical rod is provided with a limiting component, the top of the base is provided with an adjustment component, and the support rod is hinged with the base;

[0007] The limiting component includes a fixed plate fixedly connected to the outer side of the vertical rod, three receiving openings arranged in a circle on the outer side of the fixed plate, grooves respectively opened on both sides of the receiving openings, a push rod connected to the grooves, a first spring fixedly connected to one end of the push rod, and a limiting plate fixedly connected to the other end of the push rod, the push rod is slidably connected to the groove, the limiting plate is arc-shaped, and the receiving openings correspond one-to-one to the support rods.

[0008] Preferably, the adjusting component includes a fixed cylinder connected to the top of the base, a screw connected to the top of the fixed cylinder, a driving plate connected to the outside of the screw, connecting plates respectively connected to the two sides of the top of the driving plate, a placement seat connected to the top of the connecting plate, a driven bevel gear connected to the outside of the screw, an active bevel gear connected to the driven bevel gear, a rotating shaft connected to the active bevel gear, and a knob connected to one end of the rotating shaft, the screw is threadedly connected to the driving plate, the screw is rotatably connected to the fixed cylinder, the connecting plate penetrates the fixed cylinder upward and is slidably connected to the fixed cylinder, the active bevel gear and the driven bevel gear are meshed, and the rotating shaft is rotatably connected to the fixed cylinder.

[0009] Preferably, two movable grooves are provided on one side of the receiving opening, a movable block is fixedly connected to one side of the limiting plate, and the movable block is slidably connected to the movable groove.

[0010] Preferably, first sliding grooves are respectively provided on both sides of the top of the placement seat, a first sliding block is slidably connected in the first sliding groove, a second spring is fixedly connected to one side of the first sliding block, and a positioning plate is fixedly connected to the top of the first sliding block.

[0011] Preferably, a second sliding groove is opened on one side of the positioning plate, a second slider is slidably connected in the second sliding groove, a third spring is fixedly connected to the bottom of the second slider, a hinge rod is provided between the second slider and the placement seat, and both ends of the hinge rod are respectively hinged to the second slider and the placement seat.

[0012] Preferably, a fourth spring is provided between the moving block and the moving groove, and two ends of the fourth spring are fixedly connected to the moving block and the inner wall of the moving groove respectively.

[0013] Preferably, a rotation-stopping rod is fixedly connected to one side of the top of the fixed cylinder, and the rotation-stopping rod passes through the driving plate and is slidably connected to the driving plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting the base, the rangefinder body, the vertical rod, the support rod and the limiting component, the support rod can be unfolded to stably support the base, and then support the rangefinder body, which is convenient for size detection. When the support rod is stored, it can enter the storage port, and the support rod can squeeze the limiting plates on both sides of the storage port. The limiting plates are squeezed and the top rod is driven to move, which can cause the first spring to deform. After the support rod moves to the middle position of the two limiting plates, the first spring can push the limiting plate to move, fix the support rod, and prevent the support rod from being unfolded again during movement, thereby ensuring the convenience of movement and greatly improving the practicality of the device;

[0016] 2. By providing an adjustment component, the rotating shaft and the active bevel gear can be driven to rotate by turning the knob, and then the driven bevel gear and the screw can be driven to rotate. The screw can drive the driving plate to move vertically, and then the connecting plate and the placement seat can be driven to move up and down, and then the rangefinder body can be driven to move up and down, so that the use height of the rangefinder body can be conveniently adjusted, the applicable range can be increased, and the practicality can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0018] Figure 2 A left side view provided for the utility model;

[0019] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0020] Figure 4 The utility model provides Figure 3 Enlarged view of point C in the middle;

[0021] Figure 5 The utility model provides Figure 2 A three-dimensional cross-section view at the middle BB;

[0022] Figure 6 The utility model provides Figure 5 Enlarged view of point D in the middle.

[0023] In the figure: 1, base; 11, rangefinder body; 12, vertical rod; 13, support rod; 21, fixed plate; 22, storage port; 23, groove; 24, top rod; 25, first spring; 26, limiting plate; 31, fixed cylinder; 32, screw; 33, drive plate; 34, connecting plate; 35, placement seat; 36, driven bevel gear; 37, active bevel gear; 38, rotating shaft; 39, knob; 41, moving groove; 42, moving block; 51, first slide groove; 52, first slider; 53, second spring; 54, positioning plate; 61, second slide groove; 62, second slider; 63, third spring; 64, hinged rod; 71, fourth spring; 81, anti-rotation rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The utility model provides a technical solution: a size detection device for building fire inspection, including a base 1 and a rangefinder body 11, a vertical rod 12 is fixedly connected to the bottom of the base 1, three support rods 13 arranged in a circle are arranged at the bottom of the base 1, a limiting component is arranged on the vertical rod 12, an adjustment component is arranged on the top of the base 1, the support rod 13 is hinged to the base 1, and the limiting component includes a fixed plate 21 fixedly connected to the outside of the vertical rod 12, three receiving ports 22 arranged in a circle are respectively opened on the outside of the fixed plate 2 ... The grooves 23 are provided on both sides of the receiving opening 22, the push rod 24 connected to the grooves 23, the first spring 25 fixedly connected to one end of the push rod 24, and the limiting plate 26 fixedly connected to the other end of the push rod 24. The push rod 24 is slidably connected to the grooves 23, the limiting plate 26 is arc-shaped, the receiving opening 22 corresponds to the support rod 13 one by one, the support rod 13 can be rotated into the receiving opening 22, the support rod 13 can squeeze the limiting plates 26 on both sides of the receiving opening 22, and the limiting plates 26 will drive the push rod 24 to move after being squeezed, and the push rod 24 will move. The movement of the first spring 25 can deform the first spring 25, and the thrust generated by the deformation of the first spring 25 can be used to push the limiting plate 26 to fix the support rod 13, so as to prevent the support rod 13 from unfolding when moving, which is convenient to carry. After the support rod 13 is opened, the base 1 and the rangefinder body 11 can be stably supported, which is convenient for size detection. Two moving grooves 41 are provided on one side of the storage port 22, and a moving block 42 is fixedly connected to one side of the limiting plate 26. The moving block 42 is slidably connected to the moving groove 41. The movement of the limiting plate 26 can drive the moving block 42 to move, and the moving block 42 can support and guide the movement of the limiting plate 26 to ensure that it will not deviate or tilt when moving. A fourth spring 71 is provided between the moving block 42 and the moving groove 41, and the two ends of the fourth spring 71 are respectively fixedly connected to the moving block 42 and the inner wall of the moving groove 41. The moving block 42 can squeeze the fourth spring 71 to deform it, and the reaction force generated by the deformation of the fourth spring 71 can further improve the fixing stability of the support rod 13 to prevent it from leaving the storage port 22.

[0026] See also Figure 1 , Figure 2 , Figure 5 as well as Figure 6The adjusting component includes a fixed cylinder 31 connected to the top of the base 1, a screw 32 connected to the top of the fixed cylinder 31, a driving plate 33 connected to the outside of the screw 32, a connecting plate 34 connected to both sides of the top of the driving plate 33, a placement seat 35 connected to the top of the connecting plate 34, a driven bevel gear 36 connected to the outside of the screw 32, an active bevel gear 37 connected to the driven bevel gear 36, a rotating shaft 38 connected to the active bevel gear 37, and a knob 39 connected to one end of the rotating shaft 38. The screw 32 is screwed to the driving plate 33, the screw 32 is rotatably connected to the fixed cylinder 31, and the connecting plate 34 passes through the fixed cylinder 31 upward and is slidably connected to the fixed cylinder 31 Then, the active bevel gear 37 and the driven bevel gear 36 are meshed, and the rotating shaft 38 is rotatably connected with the fixed cylinder 31. The rangefinder body 11 can be placed on the top of the placement seat 35. By turning the knob 39, the rotating shaft 38 can be driven to rotate. The rotating shaft 38 can drive the active bevel gear 37 to rotate, and then the driven bevel gear 36 can be driven to rotate, and then the screw 32 can be driven to rotate, so that the driving plate 33 can drive the connecting plate 34 to move up and down, so as to adjust the use height of the rangefinder body 11, and the applicable range can be improved. First sliding grooves 51 are respectively provided on both sides of the top of the placement seat 35, and a first sliding block 52 is slidably connected in the first sliding groove 51. A second spring 53 is fixedly connected to one side of a slider 52, and a positioning plate 54 is fixedly connected to the top of the first slider 52. The movement of the positioning plate 54 can drive the first slider 52 to move, and the first slider 52 can squeeze the second spring 53 to deform it. The thrust generated by the deformation of the second spring 53 can push the positioning plate 54 to fix the rangefinder body 11, which is convenient for fixing rangefinder bodies 11 of different sizes. A second sliding groove 61 is opened on one side of the positioning plate 54, and a second slider 62 is slidably connected in the second sliding groove 61. The bottom of the second slider 62 is fixedly connected to a third spring 63, and a hinge rod 64 is provided between the second slider 62 and the placement seat 35. The two ends of the hinged rod 64 are hinged to the second slider 62 and the placement seat 35 respectively. When the positioning plate 54 moves, due to the existence of the hinged rod 64, the second slider 62 can slide in the second slide groove 61, and then can drive the third spring 63 to deform. The elasticity of the third spring 63 can be used to improve the fixing stability of the rangefinder body 11 to prevent it from falling and being damaged. A stop rod 81 is fixedly connected to one side of the top of the fixed cylinder 31. The stop rod 81 penetrates the drive plate 33 and is slidably connected to the drive plate 33. The existence of the stop rod 81 can prevent the drive plate 33 from rotating in the fixed cylinder 31, and can ensure the vertical movement stability of the drive plate 33.

[0027] Working principle: When working, push the two positioning plates 54, the positioning plates 54 can drive the first slider 52 to move, the movement of the first slider 52 can cause the second spring 53 to deform, due to the existence of the hinged rod 64, the second slider 62 will slide in the second slide groove 61, the second slider 62 can drive the third spring 63 to deform, and then put the rangefinder body 11 on the top of the placement seat 35, and then release the positioning plate 54, the thrust generated by the deformation of the second spring 53 and the third spring 63 can push the positioning plate 54 to position and fix the rangefinder body 11, and then the support rod 13 can be pulled outward, the support rod 13 is separated from the two limiting plates 26, and the base 1 can be supported, and then the rangefinder body 11 can be used for detection, when the height of the rangefinder body 11 needs to be adjusted, turn the knob 39, the knob 39 can drive the rotating shaft 38 and the active bevel gear 37 to rotate, and then can drive The driven bevel gear 36 and the screw rod 32 rotate, and the rotation of the screw rod 32 can make the driving plate 33 move up, and the driving plate 33 can drive the connecting plate 34 and the placement seat 35 to move up, and then can drive the rangefinder body 11 to move up and adjust to the specified position. After use, the support rod 13 is reset, and the support rod 13 is collected in the storage port 22. The support rod 13 can squeeze the limiting plate 26, and the limiting plate 26 can drive the moving block 42 and the push rod 24 to move. The push rod 24 can deform the first spring 25, and the movement of the moving block 42 can deform the fourth spring 71. The reaction force generated by the deformation of the first spring 25 and the fourth spring 71 can fix the limiting plate 26 to the support rod 13 to prevent it from rotating, so that it can be convenient to carry and move. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A size detection device for building fire inspection, comprising a base (1) and a rangefinder body (11), characterized in that: The bottom of the base (1) is fixedly connected to a vertical rod (12); the bottom of the base (1) is provided with three support rods (13) arranged in a circle; the vertical rod (12) is provided with a limiting component; the top of the base (1) is provided with an adjustment component; the support rod (13) is hinged to the base (1); The limiting component comprises a fixing plate (21) fixedly connected to the outside of the vertical rod (12), three receiving openings (22) respectively arranged in a circumferential manner on the outside of the fixing plate (21), grooves (23) respectively opened on both sides of the receiving openings (22), a push rod (24) connected to the grooves (23), a first spring (25) fixedly connected to one end of the push rod (24), and a limiting plate (26) fixedly connected to the other end of the push rod (24), the push rod (24) is slidably connected to the grooves (23), the limiting plate (26) is arc-shaped, and the receiving openings (22) correspond one to one with the support rods (13).

2. A size detection device for building fire inspection and acceptance according to claim 1, characterized in that: The adjustment component comprises a fixing cylinder (31) connected to the top of the base (1), a screw rod (32) connected to the top of the fixing cylinder (31), a driving plate (33) connected to the outside of the screw rod (32), a connecting plate (34) respectively connected to both sides of the top of the driving plate (33), a placement seat (35) connected to the top of the connecting plate (34), a driven bevel gear (36) connected to the outside of the screw rod (32), an active bevel gear (37) connected to the driven bevel gear (36), A rotating shaft (38) connected to the active bevel gear (37) and a knob (39) connected to one end of the rotating shaft (38), the screw rod (32) is threadedly connected to the driving plate (33), the screw rod (32) is rotationally connected to the fixed cylinder (31), the connecting plate (34) penetrates the fixed cylinder (31) upwards and is slidably connected to the fixed cylinder (31), the active bevel gear (37) is meshed with the driven bevel gear (36), and the rotating shaft (38) is rotationally connected to the fixed cylinder (31).

3. A size detection device for building fire inspection and acceptance according to claim 1, characterized in that: Two movable grooves (41) are provided on one side of the receiving opening (22); a movable block (42) is fixedly connected to one side of the limiting plate (26); and the movable block (42) is slidably connected to the movable groove (41).

4. A size detection device for building fire inspection and acceptance according to claim 2, characterized in that: The top of the placement seat (35) is respectively provided with first sliding grooves (51), a first sliding block (52) is slidably connected in the first sliding groove (51), a second spring (53) is fixedly connected to one side of the first sliding block (52), and a positioning plate (54) is fixedly connected to the top of the first sliding block (52).

5. A size detection device for building fire inspection and acceptance according to claim 4, characterized in that: A second sliding groove (61) is provided on one side of the positioning plate (54), a second sliding block (62) is slidably connected in the second sliding groove (61), a third spring (63) is fixedly connected to the bottom of the second sliding block (62), a hinge rod (64) is provided between the second sliding block (62) and the placement seat (35), and two ends of the hinge rod (64) are respectively hinged to the second sliding block (62) and the placement seat (35).

6. A size detection device for building fire inspection and acceptance according to claim 3, characterized in that: A fourth spring (71) is provided between the moving block (42) and the moving groove (41), and two ends of the fourth spring (71) are respectively fixedly connected to the moving block (42) and the inner wall of the moving groove (41).

7. A size detection device for building fire inspection and acceptance according to claim 2, characterized in that: A rotation-stop rod (81) is fixedly connected to one side of the top of the fixed cylinder (31), and the rotation-stop rod (81) penetrates the driving plate (33) and is slidably connected to the driving plate (33).

Images