Device for detecting aperture and depth of conical pipe orifice of steel pipe

Abstract

The utility model provides a device for detecting the aperture and depth of a conical pipe orifice of a steel pipe, and relates to the field of steel pipe detection devices. A vernier scale is slidably connected to the outside of the ruler body, a fastening screw is connected to the top of the vernier scale through threads, and a fastening hand wheel is arranged at the upper end of the fastening screw; the top of the vernier scale is provided with a locking mechanism on the right side of the fastening screw. Through cooperation of an anti-loosening gear and a locking mechanism, after a fastening screw is tightened, a driving handle clamped in a limiting notch can be taken out, two locking strips make close contact with the right side of the peripheral face of the anti-loosening gear, and the situation that the fastening screw is prone to being stressed and loosened is effectively avoided; the influence on the detection precision of the vernier caliper on the automobile oil return steel pipe is avoided; the problem that in the using process of an existing vernier caliper, a tightened fastening screw is prone to loosening due to stress, and then the detection precision of the vernier caliper on the automobile oil return steel pipe is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe detection equipment, in particular to a steel pipe tapered pipe mouth aperture and depth detection equipment. Background Art

[0002] At present, when producing automobile oil return steel pipes, in order to ensure the production quality of the oil return steel pipes, the diameter and depth of the tapered pipe opening on the oil return steel pipes are often measured by a vernier caliper; and during the use of the existing vernier caliper, although a fastening screw is threadedly connected to the top of the vernier caliper, the vernier caliper with the measured size can be fixed by tightening the fastening screw, but the fastening screw is easily loosened due to force after tightening, thereby affecting the detection accuracy of the vernier caliper for the automobile oil return steel pipe. In addition, when the vernier caliper is used in a dark environment, it is affected by the environment, making the values ​​on the vernier caliper less intuitive when viewed. Utility Model Content

[0003] The disclosed embodiment relates to a tool for detecting the aperture and depth of a tapered pipe mouth of a steel pipe. Through the cooperation of an anti-loosening gear and a locking mechanism, after the fastening screw is tightened, the driving handle stuck in the limiting notch can be taken out, so that the two locking strips are in close contact with the right side of the outer peripheral surface of the anti-loosening gear, thereby effectively locking the anti-loosening gear and the fastening screw, thereby effectively preventing the fastening screw from being easily loosened due to stress, and avoiding affecting the detection accuracy of the vernier caliper on the automobile oil return steel pipe.

[0004] The utility model provides a steel pipe tapered pipe mouth aperture and depth detection device, specifically comprising: a ruler body; a vernier ruler is slidably connected to the outside of the ruler body, and a fastening screw is connected to the top of the vernier ruler through a thread, and a fastening handwheel is provided on the upper end of the fastening screw; a locking mechanism is provided on the top of the vernier ruler and located on the right side of the fastening screw; a battery box is installed on the rear end surface of the vernier ruler; an outer measuring claw is provided on the left side of the ruler body and the bottom of the vernier ruler, and an inner measuring claw is provided on the left side of the ruler body and the top of the vernier ruler.

[0005] In at least some embodiments, a strip groove is provided on the rear end face of the ruler body, and a depth measuring scale is slidably connected inside the strip groove, and the depth measuring scale is fixedly connected to the inside of the vernier scale; a limit plate is installed on the right side of the rear end face of the ruler body, and the limit plate is used to limit the depth measuring scale.

[0006] In at least some embodiments, a light bar support block is installed on the front end surface of the lower portion of the vernier scale, and an LED light bar is provided on the rear inclined surface of the light bar support block.

[0007] In at least some embodiments, the outside of the fastening screw is fixedly connected to two annular limit plates and an anti-loosening gear, and the two annular limit plates are located above the anti-loosening gear; the outside of the fastening screw is provided with a ring between the two annular limit plates, and the ring is connected to a connecting rope, and the other end of the connecting rope is fixedly connected to the top surface of the vernier scale.

[0008] In at least some embodiments, the locking mechanism includes a shell, a sliding block, a tightening block, a pulling rod, a driving handle, a limiting plate and a locking strip. The shell is fixedly mounted on the top of the vernier caliper, and the sliding block is slidably connected to the inside of the shell; the left end of the sliding block is provided with a tightening block penetrating the left side wall of the shell, and the left end face of the tightening block is provided with two locking strips; the right end face of the sliding block is provided with a pulling rod penetrating the right side wall of the shell, and the outside of the pulling rod is provided with a spring sleeved inside the shell, and the right end of the pulling rod is rotatably connected to the driving handle; a limiting plate is fixedly connected to the right side of the front end face of the shell, and a limiting notch is opened in the middle of the right side face of the limiting plate.

[0009] In at least some embodiments, when the locking mechanism is in a locked limit state, the two locking strips are in close contact with the right side of the outer peripheral surface of the anti-loosening gear.

[0010] In at least some embodiments, a removable battery is installed inside the battery box, and a control switch is provided on the battery box; the removable battery inside the battery box is electrically connected to the control switch, and the control switch is electrically connected to the LED light strip.

[0011] The utility model provides a steel pipe tapered pipe opening aperture and depth detection device, which has the following beneficial effects:

[0012] 1. Through the cooperation of the anti-loosening gear and the locking mechanism, after the fastening screw is tightened, the driving handle stuck in the limit notch can be taken out, so that the two locking strips are in close contact with the right side of the outer peripheral surface of the anti-loosening gear, so that the anti-loosening gear and the fastening screw are effectively locked, effectively avoiding the situation where the fastening screw is easily loosened due to force, and avoiding affecting the detection accuracy of the vernier caliper on the automobile oil return steel pipe.

[0013] 2. Through the cooperation of the battery box, the control switch and the LED light bar, when it can be used in a dimly lit environment, the measurement personnel manually turn on the control switch so that the removable battery in the battery box starts to power the LED light bar, and then the LED light bar starts to glow. Under the action of the inclined surface on the rear side of the light bar support block, the light emitted by the LED light bar just shines on the vernier scale and the scale body, thereby improving the intuitiveness of the values ​​on the vernier caliper when viewing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0015] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0016] In the attached picture:

[0017] Figure 1 A structural diagram showing the overall structure of the present application;

[0018] Figure 2 A schematic diagram showing the structure of the present application from a rear perspective;

[0019] Figure 3 A schematic diagram of the structure of the present application in a split state is shown;

[0020] Figure 4 A schematic diagram showing the structure of the light bar support block and the LED light bar of the present application is shown;

[0021] Figure 5 A schematic diagram of the structure of the anti-loosening gear and the locking mechanism of the present application is shown;

[0022] Figure 6 A schematic diagram of the structure of the fastening screw, the annular limiting plate, the collar and the connecting rope of the present application is shown;

[0023] Figure 7 A schematic diagram of the structure of the locking mechanism of the present application after disassembly is shown.

[0024] Reference numerals list

[0025] 1. Ruler body; 101. Vernier ruler; 102. External measuring claw; 103. Internal measuring claw; 104. Depth measuring ruler; 105. Light bar support block; 106. LED light bar; 107. Strip groove; 108. Limit plate;

[0026] 2. Tightening hand wheel; 201. Anti-loosening gear; 202. Annular limit plate; 203. Ring; 204. Connecting rope; 205. Tightening screw;

[0027] 3. Locking mechanism; 301. Housing; 302. Sliding block; 303. Clamping block; 304. Pull rod; 305. Driving handle; 306. Limiting plate; 307. Locking strip;

[0028] 4. Battery box; 401. Control switch. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.

[0030] Example 1: Please refer to Figures 1 to 7 :

[0031] The utility model proposes a steel pipe tapered pipe opening aperture and depth detection device, comprising: a ruler body 1; a vernier ruler 101 is slidably connected to the outside of the ruler body 1, and a fastening screw 205 is connected to the top of the vernier ruler 101 through a thread, and a fastening handwheel 2 is provided at the upper end of the fastening screw 205; a locking mechanism 3 is provided at the top of the vernier ruler 101 and located on the right side of the fastening screw 205; a battery box 4 is installed on the rear end surface of the vernier ruler 101; an outer measuring claw 102 is provided on the left side of the bottom of the ruler body 1 and the vernier ruler 101, and an inner measuring claw 103 is provided on the left side of the top of the ruler body 1 and the vernier ruler 101.

[0032] A strip groove 107 is provided on the rear end face of the ruler body 1, and a depth measuring scale 104 is slidably connected inside the strip groove 107, and the depth measuring scale 104 is fixedly connected to the inside of the vernier scale 101; a limit plate 108 is installed on the right side of the rear end face of the ruler body 1, and the limit plate 108 is used to limit the depth measuring scale 104.

[0033] The outside of the fastening screw 205 is fixedly connected to two annular limit plates 202 and an anti-loosening gear 201, and the two annular limit plates 202 are located above the anti-loosening gear 201; the outside of the fastening screw 205 is provided with a ring 203 between the two annular limit plates 202, and the ring 203 is connected to a connecting rope 204, and the other end of the connecting rope 204 is fixedly connected to the top surface of the vernier scale 101.

[0034] The locking mechanism 3 includes a shell 301, a sliding block 302, a tightening block 303, a pulling rod 304, a driving handle 305, a limiting plate 306 and a locking strip 307. The shell 301 is fixedly installed on the top of the vernier ruler 101, and the sliding block 302 is slidably connected inside the shell 301; the left end of the sliding block 302 is provided with a tightening block 303 that passes through the left side wall of the shell 301, and the left end face of the tightening block 303 is provided with two locking strips 307; the right end face of the sliding block 302 is provided with a pulling rod 304 that passes through the right side wall of the shell 301, and the outside of the pulling rod 304 is located inside the shell 301 and is sleeved with a spring, and the right end of the pulling rod 304 is rotatably connected to the driving handle 305; the limiting plate 306 is fixedly connected to the right side of the front end face of the shell 301, and a limited position notch is provided in the middle of the right side face of the limiting plate 306;

[0035] When the locking mechanism 3 is in the locking limit state, the two locking strips 307 are in close contact with the right side of the outer peripheral surface of the anti-loosening gear 201 .

[0036] Embodiment 2, based on embodiment 1, as Figure 1 , Figure 2 and Figure 4 As shown, a light bar support block 105 is installed on the front end surface of the lower part of the vernier scale 101, and an LED light bar 106 is provided on the rear inclined surface of the light bar support block 105;

[0037] A removable battery is installed inside the battery box 4 , and a control switch 401 is provided on the battery box 4 ; the removable battery inside the battery box 4 is electrically connected to the control switch 401 , and the control switch 401 is electrically connected to the LED light bar 106 .

[0038] The working principle of this embodiment: when in use, the outer diameter of the automobile oil return steel pipe is detected by two outer measuring claws 102, the aperture size of the tapered pipe mouth of the automobile oil return steel pipe is detected by two inner measuring claws 103, and the depth of the tapered pipe of the automobile oil return steel pipe is detected by a depth measuring ruler 104.

[0039] During the measurement process, before sliding the vernier ruler 101, the driving handle 305 is pulled to the right, so that the driving handle 305 moves to the right with the pulling rod 304, the sliding block 302, the tightening block 303 and the two locking strips 307, and then the driving handle 305 is rotated ninety degrees, and the driving handle 305 is stuck in the limiting notch opened in the middle of the right side of the limiting plate 306, so that the driving handle 305 is limited, and at this time the pulling rod 304, the sliding block 302, the tightening block 303 and the two locking strips 307 cannot move to the left; then the sliding vernier ruler 101 is moved left and right, and one of the outer measuring claws 102, one of the inner measuring claws 103 and the depth measuring ruler 104 move left and right, so as to complete the measurement respectively. Measure the outer diameter, aperture and depth of paired oil return steel pipes; after the measurement, tighten the fastening screw 205 by tightening the hand wheel 2, so that the lower end of the fastening screw 205 is in close contact with the upper part of the ruler body 1, thereby fixing the sliding vernier ruler 101. After the fastening screw 205 is tightened, the driving handle 305 stuck in the limiting notch is taken out, so that the driving handle 305 loses its limiting effect. Then, the sliding block 302 moves to the left with the tightening block 303 and the two locking strips 307 under the action of the external spring force of the pulling rod 304, and then the two locking strips 307 are in close contact with the right side of the outer circumference of the anti-loosening gear 201, so that the anti-loosening gear 201 and the fastening screw 205 are effectively locked.

[0040] When the vernier caliper is used in a dimly lit environment, the measurement personnel manually turns on the control switch 401, so that the removable battery in the battery box 4 starts to power the LED light bar 106, and then the LED light bar 106 starts to emit light. Under the action of the inclined surface on the rear side of the light bar support block 105, the light emitted by the LED light bar 106 just shines on the vernier scale 101 and the scale body 1, thereby improving the intuitiveness of the values ​​on the vernier caliper when viewing.

[0041] In this article, there are a few points to note:

[0042] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0043] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0044] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A steel pipe tapered orifice aperture and depth detection device, comprising: A ruler body (1); a vernier ruler (101) is slidably connected to the outside of the ruler body (1), and a fastening screw (205) is threadedly connected to the top of the vernier ruler (101), and a fastening handwheel (2) is provided at the upper end of the fastening screw (205); the top of the vernier ruler (101) is provided with a locking mechanism (3) located on the right side of the fastening screw (205); a battery box (4) is installed on the rear end surface of the vernier ruler (101); an outer measuring claw (102) is provided on the left side of the bottom of the ruler body (1) and the vernier ruler (101), and an inner measuring claw (103) is provided on the left side of the top of the ruler body (1) and the vernier ruler (101).

2. A steel pipe tapered orifice aperture and depth detection device according to claim 1, characterized in that: The rear end surface of the ruler body (1) is provided with a strip groove (107), and a depth measuring ruler (104) is slidably connected inside the strip groove (107), and the depth measuring ruler (104) is fixedly connected to the inside of the vernier ruler (101); a limit plate (108) is installed on the right side of the rear end surface of the ruler body (1), and the limit plate (108) is used to limit the depth measuring ruler (104).

3. A steel pipe tapered orifice aperture and depth detection device according to claim 1, characterized in that: A light bar support block (105) is installed on the front end surface of the lower part of the vernier ruler (101), and an LED light bar (106) is provided on the rear inclined surface of the light bar support block (105).

4. A steel pipe tapered orifice aperture and depth detection device according to claim 1, characterized in that: The fastening screw (205) is externally fixedly connected to two annular limiting plates (202) and an anti-loosening gear (201), and the two annular limiting plates (202) are located above the anti-loosening gear (201); the fastening screw (205) is externally provided with a collar (203) located between the two annular limiting plates (202), and the collar (203) is connected to a connecting rope (204), and the other end of the connecting rope (204) is fixedly connected to the top surface of the vernier scale (101).

5. The steel pipe tapered orifice aperture and depth detection device according to claim 1, characterized in that: The locking mechanism (3) comprises a housing (301), a sliding block (302), a tightening block (303), a pulling rod (304), a driving handle (305), a limiting plate (306) and a locking strip (307); the housing (301) is fixedly mounted on the top of the vernier scale (101), and the sliding block (302) is slidably connected inside the housing (301); a tightening block (303) penetrating the left side wall of the housing (301) is provided at the left end of the sliding block (302), and the tightening block (303) is The left end face of the sliding block (302) is provided with two locking strips (307); the right end face of the sliding block (302) is provided with a pulling rod (304) penetrating the right side wall of the shell (301), and the outside of the pulling rod (304) is located inside the shell (301) and is provided with a spring, and the right end of the pulling rod (304) is rotatably connected to a driving handle (305); a limiting plate (306) is fixedly connected to the right side of the front end face of the shell (301), and a limiting notch is provided in the middle of the right side face of the limiting plate (306).

6. A steel pipe tapered orifice aperture and depth detection device according to claim 5, characterized in that: When the locking mechanism (3) is in a locked limit state, the two locking strips (307) are in tight contact with the right side of the outer peripheral surface of the anti-loosening gear (201).

7. A steel pipe tapered orifice diameter and depth detection device according to claim 1, characterized in that: A removable battery is installed inside the battery box (4), and a control switch (401) is provided on the battery box (4); the removable battery inside the battery box (4) is electrically connected to the control switch (401), and the control switch (401) is electrically connected to the LED light bar (106).

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