Dimension measuring instrument for fire protection and maintenance

Abstract

The utility model relates to the technical field of fire protection and maintenance, and discloses a size measuring instrument for fire protection and maintenance, which comprises a shell, a worm is rotatably connected in the shell, the worm is meshed and connected with a worm gear, a screw rod is fixedly arranged in the middle of the worm gear, the screw rod is in threaded connection with a first clamping plate, a second clamping plate is fixedly arranged on one side of the shell, and the second clamping plate is in threaded connection with the worm gear. A guide column for guiding the first clamping plate is fixedly arranged on one side of the second clamping plate, and a measuring scale is fixedly arranged on the surface of the guide column; the motor drives the worm, the worm can drive the lead screw to rotate through the worm gear, the distance between the first clamping plate and the second clamping plate can be adjusted, the first clamping plate and the second clamping plate clamp bolts and other objects, the guide column can guide the first clamping plate, the first clamping plate can be prevented from inclining, and size measurement can be conducted in cooperation with the measuring scale. The inner diameter measuring assembly is unfolded from the storage groove and is attached to the inner wall of the object, so that the inner diameter of the object can be measured conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire protection technical field, concretely is a size measuring instrument for fire protection. BACKGROUND

[0002] Fire facilities refer to the equipment, building and system for preventing and extinguishing fire, controlling fire spreading, guaranteeing personnel safety and property safety, fire protection refers to checking, testing, repairing and maintaining various fire facilities and equipment to ensure that they are in normal working condition, thereby preventing fire accidents and enabling timely and effective fire extinguishing and rescue when fire occurs.

[0003] The application number thereof is "202023242636.7" and discloses a "fire maintenance with calliper", which "includes a calliper body, a fixing bolt and a positioning block, a scale sleeve is fixedly installed on the outer side of the center of the calliper body, and a measuring scale is movably installed in the scale sleeve, a moving groove is formed in the outer side of the center of the scale sleeve, a pull handle is fixedly installed on the right end of the measuring scale through the movable groove, and a handle is fixedly installed on the lower end of the right side of the calliper body.

[0004] However, the above-mentioned method has the following defects: the measuring scale and the chain can integrate the measuring function and the nut dismounting function, but it is inconvenient to measure the inner diameter of the object, and the chain is relatively soft and difficult to maintain the clamping force of the nut, which can easily cause the fixing bolt to slip during the stress process, and the stability is poor. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a size measuring instrument for fire protection, which has the advantages of convenient measurement of the inner diameter of the object and the ability to maintain the clamping force, solving the problems raised in the above background art.

[0006] The utility model provides the following technical scheme: a size measuring instrument for fire protection, which comprises a shell, a worm is rotatably connected in the shell, the worm is meshed with a worm wheel, a lead screw is fixedly arranged in the middle of the worm wheel, a clamping plate one is threadedly connected with the lead screw, a clamping plate two is fixedly arranged on one side of the shell, a guide column is fixedly arranged on one side of the clamping plate two, a measuring scale is fixedly arranged on the surface of the guide column, a receiving groove is formed in one end of the clamping plate one and one end of the clamping plate two, an inner diameter measuring assembly is arranged in the receiving groove, a motor is fixedly arranged on the other side of the shell and drives the worm, and a holding assembly is arranged on the other side of the shell.

[0007] As a preferred technical scheme of the utility model, the inside rotation connection of the screw rod and the shell, the inside wall fixed establishment of the shell is equipped with the guide rail, the other end fixed establishment of the clamping plate one is equipped with the sliding block, the sliding block is connected with the guide rail slidingly, the inside fixed establishment of the shell is equipped with the battery.

[0008] As a preferred technical scheme of the utility model, the top of the shell is fixedly installed with a cover plate through screws, a plate groove is formed in one side of the shell, and the clamping plate one is slidingly connected with the inside of the plate groove.

[0009] As a preferred technical scheme of the utility model, the inside diameter measuring assembly comprises a supporting block, a rotating shaft is fixedly arranged on the surface of the supporting block, rivets for limiting the rotating shaft are fixedly arranged at both ends of the rotating shaft, a rubber ring is arranged on one side of the rivet, and a measuring rod is fixedly arranged on one side of the supporting block.

[0010] As a preferred technical scheme of the utility model, one end of the clamping plate one and one end of the clamping plate two are both provided with an axle hole in communication with the storage groove, and the rotating shaft is rotationally connected with the inside of the axle hole.

[0011] As a preferred technical scheme of the utility model, a threaded sleeve is fixedly arranged on one side of the clamping plate one, the threaded sleeve is threadedly connected with the screw rod, a column groove is formed in the surface of the clamping plate one, and the clamping plate one is slidingly connected with the guide column through the column groove.

[0012] As a preferred technical scheme of the utility model, a supporting plate is fixedly arranged at one end of the guide column, two rib plates are fixedly arranged on one side of the supporting plate, and one side of the supporting plate is fixedly connected with one side of the shell.

[0013] As a preferred technical scheme of the utility model, the holding assembly comprises a handle, two reinforcing plates are fixedly arranged at one end of the handle, one end of the handle is welded to the middle of one side of the shell through the reinforcing plates, an antiskid sleeve is sleeved on the surface of the handle, and a baffle is fixedly arranged at one end of the antiskid sleeve.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The motor drives the worm, the worm drives the screw rod through the worm gear, the screw rod drives the clamping plate one to move horizontally, the distance between the clamping plate one and the clamping plate two can be adjusted, the clamping plate one and the clamping plate two clamp the bolt and other objects, the guide column guides the clamping plate one, the inclination of the clamping plate one is prevented, the size measurement is carried out in cooperation with the measuring scale, the fire protection and maintenance activities are facilitated, the inside diameter measuring assembly is unfolded from the storage groove, the inside diameter measuring assembly is attached to the inner wall of the object, and the inside diameter of the object is measured.

[0016] 2、the distance between the clamping plate one and the clamping plate two is adjusted, the worm can realize the self-locking of the screw rod through the angular friction between the worm and the worm wheel, when the holding assembly rotates the shell, the clamping plate one and the clamping plate two can be tightened or loosened to the nut, the screw rod is prevented from rotating and causing the displacement of the clamping plate two, and the stability of the adhesion between the clamping plate one and the clamping plate two and the nut and the clamping force can be maintained. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is one of structural schematic diagrams of the utility model;

[0018] Fig. 2 It is the second structural schematic diagram of the utility model;

[0019] Fig. 3 It is the structural schematic diagram of the shell inside the utility model;

[0020] Fig. 4 It is the structural schematic diagram of the clamping plate two of the utility model;

[0021] Fig. 5 It is the structural schematic diagram of the clamping plate one of the utility model;

[0022] Fig. 6 It is the structural schematic diagram of the inner diameter measuring assembly of the utility model.

[0023] In the drawing: 1, shell; 2, worm; 3, worm wheel; 4, screw rod; 5, clamping plate one; 6, clamping plate two; 7, storage groove; 8, inner diameter measuring assembly; 801, support block; 802, rotating shaft; 803, rivet head; 804, rubber ring; 805, measuring rod; 9, guide column; 10, measuring scale; 11, support plate; 12, rib plate; 13, plate groove; 14, holding assembly; 1401, handle; 1402, reinforcing plate; 1403, anti-skid sleeve; 1404, baffle; 15, motor; 16, sliding block; 17, guide rail; 18, cover plate; 19, battery; 20, threaded sleeve; 21, column groove; 22, shaft hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figs. 1-6The utility model provides a size measuring instrument for fire protection maintenance, including the casing 1, the inside of casing 1 is rotatably connected with worm 2 through bearing, worm 2 is connected with worm wheel 3 in meshing, the middle part of worm wheel 3 is fixed with screw rod 4, screw rod 4 is connected with the clamping plate no. 5 in screw thread, one side of casing 1 is fixed with the clamping plate two 6, one side of clamping plate two 6 is fixed with the guide column 9 that guides the clamping plate no. 5, the surface of guide column 9 is fixed with measuring scale 10, one end of clamping plate no. 5 and one end of clamping plate two 6 are all set up and receive the groove 7, the inside of receiving groove 7 is equipped with the inside diameter measuring assembly 8 that measures the inside diameter of object, the other side of casing 1 is fixedly installed with motor 15 that drives worm 2 through bolt, worm 2 is driven through motor 15, worm 2 can drive screw rod 4 to rotate through worm wheel 3, screw rod 4 can drive the clamping plate no. 5 horizontal motion, can adjust the distance between the clamping plate no. 5 and clamping plate two 6, guide column 9 can guide the clamping plate no. 5, can prevent the clamping plate no. 5 from tilting, the distance between the clamping plate no. 5 and clamping plate two 6 can be observed through measuring scale 10, the other side of casing 1 is equipped with the holding assembly 14 that supports casing 1, by holding holding assembly 14, can rotate casing 1, can carry out the nut dismounting activity;

[0026] In the embodiment, preferably, the inside diameter measuring assembly 8 includes a support block 801, the surface of the support block 801 is fixedly provided with a rotating shaft 802, both ends of the rotating shaft 802 are fixedly provided with rivets 803 for limiting the rotating shaft 802, one side of each rivet 803 is provided with a rubber ring 804, one side of the support block 801 is fixedly provided with a measuring rod 805, one end of the clamping plate no. 5 and one end of the clamping plate two 6 are both provided with an axle hole 22 in communication with the receiving groove 7, the rotating shaft 802 is rotatably connected with the inside of the axle hole 22, the support block 801 can be positioned by the rotating shaft 802, the measuring rod 805 can be conveniently rotated, the measuring rod 805 can be unfolded and folded, the receiving groove 7 and the support block 801 can limit the unfolding angle of the measuring rod 805 after the measuring rod 805 is unfolded, one side of the measuring rod 805 can be located on the same straight line with the clamping plate no. 5 and the clamping plate two 6, and the inside diameter of an object can be measured, the rotating shaft 802 is not prone to shaking and has good stability by the rotating damping provided by the rivets 803 and the rubber rings 804;

[0027] In the embodiment, preferably, the holding assembly 14 includes a handle 1401, two reinforcing plates 1402 are fixedly provided at one end of the handle 1401, the handle 1401 is welded to the middle part of one side of the casing 1 through the reinforcing plates 1402, the handle 1401 can be reinforced by the reinforcing plates 1402, an anti-slip sleeve 1403 is sleeved on the surface of the handle 1401, a baffle 1404 is fixedly provided at one end of the anti-slip sleeve 1403, the anti-slip ability of the handle 1401 can be improved by the anti-slip sleeve 1403, the stability of the handle 1401 can be ensured when the handle 1401 is held;

[0028] In the embodiment, preferably, the screw rod 4 is rotatably connected to the inside of the shell 1, the inner wall of the shell 1 is fixedly provided with a guide rail 17, the other end of the clamping plate 5 is fixedly provided with a sliding block 16, the sliding block 16 is slidably connected to the guide rail 17, the linear motion of the clamping plate 5 can be ensured through the guide rail 17 and the sliding block 16, the inside of the shell 1 is fixedly provided with a battery 19, the motor 15 can be powered through the battery 19, the top end of the shell 1 is fixedly provided with a cover plate 18 through screws, one side of the shell 1 is provided with a plate groove 13, the clamping plate 5 is slidably connected to the inside of the plate groove 13, the linear motion of the clamping plate 5 can be ensured through the plate groove 13;

[0029] In the embodiment, preferably, the clamping plate 5 is fixedly provided with a threaded sleeve 20 on one side, the threaded sleeve 20 is threadedly connected to the screw rod 4, the rotational motion of the screw rod 4 can be converted into the linear motion of the clamping plate 5 through the threaded sleeve 20, the surface of the clamping plate 5 is provided with a column groove 21, the clamping plate 5 is slidably connected to the guide column 9 through the column groove 21, the setting of the column groove 21 can make the clamping plate 5 slide on the guide column 9, one end of the guide column 9 is fixedly provided with a support plate 11, two rib plates 12 are fixedly provided on one side of the support plate 11, one side of the support plate 11 is fixedly connected to one side of the shell 1, the guide column 9 can be stably supported at one end through the support plate 11 and the rib plate 12.

[0030] In use, the staff drives the worm 2 through the motor 15, the worm 2 drives the screw rod 4 to rotate through the worm gear 3, the screw rod 4 converts the rotational motion into the horizontal motion of the clamping plate 5 through the threaded sleeve 20, the distance between the clamping plate 5 and the clamping plate 6 can be adjusted, the object such as a bolt is clamped through the clamping plate 5 and the clamping plate 6, the guide column 9 can guide the clamping plate 5, which can prevent the clamping plate 5 from tilting, the size measurement can be performed in cooperation with the measuring ruler 10, when the inner diameter of the object needs to be measured, the measuring rod 805 is unfolded from the storage groove 7 through the rotation of the rotating shaft 802 of the inner diameter measuring assembly 8, the storage groove 7 and the support block 801 can limit the unfolding angle of the measuring rod 805 after the measuring rod 805 is unfolded, one side of the measuring rod 805 can be located on the same straight line with the clamping plate 5 and the clamping plate 6, then the clamping plate 5 and the clamping plate 6 are attached to the inner wall of the object, the inner diameter of the object can be measured during the fire maintenance activity, after the measurement is completed, the measuring rod 805 can be stored in the storage groove 7, the rivet head 803 and the rubber ring 804 can provide rotational damping, the measuring rod 805 is not easy to shake;

[0031] When the nut needs to be disassembled, the worker holds the handle 1401 of the holding assembly 14, the anti-skid sleeve 1403 can improve the anti-skid ability of the handle 1401, then the distance between the clamping plate two 6 and the clamping plate one 5 is adjusted, then the clamping plate two 6 and the clamping plate one 5 are placed on both sides of the nut and are attached to the nut, then the handle 1401 is rotated, the nut can be disassembled, in the process, the worm 2 can realize the self-locking of the screw rod 4 through the angular friction between the worm 2 and the worm wheel 3, the rotation of the screw rod 4 can be prevented, the displacement of the clamping plate two 6 can be prevented, the attachment degree and the clamping force between the clamping plate one 5, the clamping plate two 6 and the nut can be maintained.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A size measuring instrument for fire maintenance, comprising a housing (1), characterized in that: The inside of the shell (1) is rotatably connected with a worm (2), the worm (2) is meshingly connected with a worm wheel (3), the middle part of the worm wheel (3) is fixedly provided with a lead screw (4), the lead screw (4) is threadedly connected with a clamping plate one (5), one side of the shell (1) is fixedly provided with a clamping plate two (6), one side of the clamping plate two (6) is fixedly provided with a guide column (9), the surface of the guide column (9) is fixedly provided with a measuring scale (10), one end of the clamping plate one (5) and one end of the clamping plate two (6) are both provided with a receiving groove (7), the inside of the receiving groove (7) is provided with an inner diameter measuring assembly (8), the other side of the shell (1) is fixedly installed with a motor (15), the other side of the shell (1) is provided with a holding assembly (14).

2. The size measuring instrument for fire maintenance according to claim 1, characterized by: The lead screw (4) is rotatably connected with the inside of the shell (1), the inner wall of the shell (1) is fixedly provided with a guide rail (17), the other end of the clamping plate one (5) is fixedly provided with a sliding block (16), the sliding block (16) is slidably connected with the guide rail (17), the inside of the shell (1) is provided with a battery (19).

3. The fire maintenance size measuring instrument according to claim 1, characterized by: The top end of the shell (1) is fixedly installed with a cover plate (18) through a screw, one side of the shell (1) is provided with a plate groove (13), the clamping plate one (5) is slidably connected with the inside of the plate groove (13).

4. The fire maintenance size measuring instrument according to claim 1, characterized by: The inner diameter measuring assembly (8) comprises a supporting block (801), the surface of the supporting block (801) is fixedly provided with a rotating shaft (802), both ends of the rotating shaft (802) are fixedly provided with a rivet head (803), one side of the rivet head (803) is provided with a rubber ring (804), one side of the supporting block (801) is fixedly provided with a measuring rod (805).

5. The fire maintenance size measuring instrument according to claim 4, characterized by: One end of the clamping plate one (5) and one end of the clamping plate two (6) are both provided with an axle hole (22) communicated with the receiving groove (7), the rotating shaft (802) is rotatably connected with the inside of the axle hole (22).

6. The fire maintenance size measuring instrument according to claim 1, characterized by: One side of the clamping plate one (5) is fixedly provided with a threaded sleeve (20), the threaded sleeve (20) is threadedly connected with the lead screw (4), the surface of the clamping plate one (5) is provided with a column groove (21), the clamping plate one (5) is slidably connected with the guide column (9) through the column groove (21).

7. The fire maintenance size measuring instrument according to claim 1, characterized by: One end of the guide column (9) is fixedly provided with a supporting plate (11), one side of the supporting plate (11) is fixedly provided with two rib plates (12), one side of the supporting plate (11) is fixedly connected with one side of the shell (1).

8. The fire maintenance size measuring instrument according to claim 1, characterized by: The holding assembly (14) comprises a handle (1401), one end of the handle (1401) is fixedly provided with two reinforcing plates (1402), one end of the handle (1401) is welded with the middle part of one side of the shell (1) through the reinforcing plates (1402), the surface of the handle (1401) is sleeved with an antiskid sleeve (1403), one end of the antiskid sleeve (1403) is fixedly provided with a baffle (1404).

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