Plumb bob for detecting perpendicularity of civil air defense door
By designing a hanging wire hammer with mounting device, the device is clamped on the civil defense door by the combination of rubber blocks and movable screws, the problem of existing hanging wire hammers being difficult to fix on the civil defense door is solved, and high-precision verticality detection and convenient device carrying are achieved.
Patent Information
- Application Number
- CN202422241414.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The existing hanging line hammer used for verticality detection of the human defense door is simple in structure and difficult to be conveniently fixed on the human defense door, affecting the detection accuracy.
A hanging wire hammer consisting of an outer shell, a connecting rod, a hanging wire, a hanging hammer, an installation device, etc. is designed. The device is clamped on the human security door by cooperating with the rubber block and the movable screw in the installation device.
It realizes the stable fixation of the hanging wire hammer, which facilitates the verticality detection of the human security door, improves the accuracy and practicality of the detection. At the same time, the hanging wire hammer can also be convenient for storage and carrying.
Smart Images

Figure CN223005543U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of civil air defense detection, in particular to a plumb bob for detecting the verticality of civil air defense doors. Background Technique
[0002] The civil air defense door is the door of the entrance and exit of the people's air defense project. The classification of civil air defense doors is relatively distinct, including ordinary single and double leaf airtight doors and airtight doors, single and double leaf airtight doors and airtight doors with movable thresholds and other civil air defense equipment. The plumb bob is a measuring instrument and belongs to a kind of construction tool. It is mainly used to measure verticality. When using the plumb bob for measurement, technicians judge the verticality by observing whether the plumb bob and the object to be measured are in a straight line. This method is simple and intuitive, so it is widely used in engineering. The existing plumb bob for detecting the verticality of civil air defense doors has a simple structure and is usually composed of a suspension line and a plumb bob. It is difficult to be conveniently fixed on the civil air defense door, which affects the detection of the verticality of the civil air defense door. Content of the Utility Model
[0003] Aiming at the deficiencies of the prior art, the utility model provides a plumb bob for detecting the verticality of civil air defense doors to solve the problems presented in the above background technique.
[0004] To achieve the above objectives, the utility model is realized through the following technical solutions: A plumb bob for detecting the verticality of civil air defense doors includes an outer shell body. The inner surface of the outer shell body is rotatably connected with a connecting rotating rod. A suspension line is fixedly connected to the outer surface of the connecting rotating rod. The output end of the suspension line is fixedly connected with a plumb bob. A first rotating block is arranged on the outer surface of the connecting rotating rod. A limiting insertion rod is fixedly connected to the outer surface of the first rotating block. A sliding block is fixedly connected to the inner surface of the first rotating block. A sliding groove is opened on the outer surface of the connecting rotating rod. The bottom of the outer shell body is threadedly connected with a cover. An installation device is fixedly connected to the outer surface of the outer shell body. The installation device includes a connecting seat. A fixed screw sleeve is fixedly connected to the inside of the connecting seat. A movable screw rod is threadedly connected to the inner surface of the fixed screw sleeve. A second rotating block is fixedly connected to the end of the movable screw rod. A rubber pressing block is fixedly connected to the end of the movable screw rod far away from the second rotating block.
[0005] Preferably, the outer surface of the connecting rotating rod penetrates through the outer shell body and extends to the outside, and the first rotating block is arranged outside the outer shell body.
[0006] Preferably, the output end of the limiting insertion rod is in pressing fit with the inner surface of the limiting hole, and the limiting holes are arranged annularly with the connecting rotating rod as the axis.
[0007] Preferably, the outer surface of the sliding block is slidably connected with the inner surface of the sliding groove, and the outer surface of the plumb bob is sleeved and adapted to the inner surface of the outer shell body.
[0008] Preferably, the outer surface of the connecting seat is fixedly connected to the outer surface of the outer casing. The fixed sleeves are symmetrically arranged on both sides of the connecting seat, and the outer surface of the movable screw rod penetrates through the fixed sleeves.
[0009] Preferably, the second rotating block is arranged outside the connecting seat, and the rubber pressing block is arranged inside the cavity of the connecting seat. Beneficial effects
[0010] The utility model provides a plumb bob for detecting the perpendicularity of a civil air defense door, which has the following beneficial effects:
[0011] (1). For the plumb bob for detecting the perpendicularity of a civil air defense door, through the installation device, with the cooperation of the fixed sleeve, the movable screw rod, the second rotating block and the rubber pressing block, by squeezing the civil air defense door with the two rubber pressing blocks and utilizing the relatively large friction force of the rubber material, the whole device can be clamped on the door frame of the civil air defense door, so that the whole device can be conveniently installed on the civil air defense door for perpendicularity detection.
[0012] (2). For the plumb bob for detecting the perpendicularity of a civil air defense door, through the outer casing and the cover, the storage and carrying of the plumb bob can be facilitated to prevent the plumb bob from being damaged. And through the cooperation between the connecting rotating rod, the first rotating block, the sliding groove, the sliding block, the limiting hole and the limiting insertion rod, the plumb bob can be at any height, which is convenient for detecting the perpendicularity of civil air defense doors of different sizes and improves the practicability of the device. Brief description of the drawings
[0013] Figure 1 It is a schematic structural diagram of the whole of the utility model;
[0014] Figure 2 It is a schematic cross-sectional structural diagram of the whole of the utility model;
[0015] Figure 3 It is a schematic structural diagram of the whole of the utility model in the using state;
[0016] Figure 4 It is a schematic structural diagram of the installation device of the utility model.
[0017] In the figure: 1. Outer casing; 2. Connecting rotating rod; 3. Plumb line; 4. Plumb bob; 5. Installation device; 51. Connecting seat; 52. Fixed sleeve; 53. Movable screw rod; 54. Second rotating block; 55. Rubber pressing block; 6. Cover; 7. Limiting hole; 8. First rotating block; 9. Sliding groove; 10. Sliding block; 11. Limiting insertion rod. Detailed implementation manners
[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Embodiment 1:
[0019] As Figures 1-4 shown, the present utility model provides a plumb bob for detecting the perpendicularity of a civil air defense door, including an outer shell 1, a connecting rotating rod 2 is rotatably connected to the inner surface of the outer shell 1, a suspension line 3 is fixedly connected to the outer surface of the connecting rotating rod 2, a plumb bob 4 is fixedly connected to the output end of the suspension line 3, a first rotating block 8 is arranged on the outer surface of the connecting rotating rod 2, a limiting insertion rod 11 is fixedly connected to the outer surface of the first rotating block 8, a slider 10 is fixedly connected to the inner surface of the first rotating block 8, a chute 9 is opened on the outer surface of the connecting rotating rod 2, a cover 6 is threadedly connected to the bottom of the outer shell 1, and a mounting device 5 is fixedly connected to the outer surface of the outer shell 1. The mounting device 5 includes a connecting seat 51, a fixed screw sleeve 52 is fixedly connected to the inside of the connecting seat 51, a movable screw rod 53 is threadedly connected to the inner surface of the fixed screw sleeve 52, a second rotating block 54 is fixedly connected to the end of the movable screw rod 53, and a rubber pressing block 55 is fixedly connected to the end of the movable screw rod 53 away from the second rotating block 54.
[0020] Specifically, the outer surface of the connecting rotating rod 2 penetrates through the outer shell 1 and extends to the outside, and the first rotating block 8 is arranged outside the outer shell 1.
[0021] Specifically, the output end of the limiting insertion rod 11 is in press fit with the inner surface of the limiting hole 7, and the limiting holes 7 are arranged annularly with the connecting rotating rod 2 as the axis.
[0022] Specifically, the outer surface of the slider 10 is slidably connected to the inner surface of the chute 9, and the outer surface of the plumb bob 4 is sleeved and adapted to the inner surface of the outer shell 1.
[0023] Specifically, the outer surface of the connecting seat 51 is fixedly connected to the outer surface of the outer shell 1, the fixed screw sleeves 52 are symmetrically arranged on both sides of the connecting seat 51, and the outer surface of the movable screw rod 53 penetrates through the fixed screw sleeve 52.
[0024] Specifically, the second rotating block 54 is arranged outside the connecting seat 51, and the rubber pressing block 55 is arranged inside the cavity of the connecting seat 51.
[0025] The working principle and beneficial effects of the above embodiments.
[0026] During use, place the door frame of the civil air defense door inside the connecting seat 51. Rotate the second rotating block 54 so that the movable screw rod 53 drives the rubber pressing block 55 to rotate and move until the rubber pressing block 55 abuts tightly against the civil air defense door. The rubber pressing block 55 on the other side of the door frame also abuts tightly against the other side of the civil air defense door through the above operation. Under the extrusion of the two rubber pressing blocks 55 and in cooperation with the relatively large friction force of the rubber material, the entire device is clamped on the door frame of the civil air defense door, realizing the fixation of the device. Unscrew the cover 6 at the bottom of the outer shell 1, pull the first rotating block 8 outwards, and the slider 10 moves along the chute 9, causing the limit insertion rod 11 to leave the limit hole 7. Under the action of the gravity of the plumb bob 4, the connecting rotating rod 2 rotates, and in cooperation with the plumb line 3, the plumb bob 4 comes out of the outer shell 1 until the plumb line 3 extends to an appropriate length. At this time, push the first rotating block 8 so that the limit insertion rod 11 is inserted into the limit hole 7 at the corresponding position to keep the plumb bob 4 in the current position. The staff conducts the verticality detection. After the detection is completed, pull the first rotating block 8 outwards to make the limit insertion rod 11 leave the limit hole 7, and rotate the first rotating block 8 so that the plumb line 3 is wound around the connecting rotating rod 2 until the plumb bob 4 returns to the outer shell 1, and then push the first rotating block 8 to make the limit insertion rod 11 inserted into the limit hole 7 at the corresponding position. Then rotate the second rotating block 54 in the reverse direction so that the rubber pressing block 55 leaves the surface of the civil air defense door, disassemble the entire device from the civil air defense door, and then cover the cover 6 on the bottom of the outer shell 1 to facilitate the carrying of the plumb bob 4.
[0027] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.
[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A plumb bob for detecting the verticality of a civil air defense door, comprising an outer shell (1), characterized in that: The inner surface of the outer shell (1) is rotatably connected to a connecting rod (2), the outer surface of the connecting rod (2) is fixedly connected to a suspension wire (3), the output end of the suspension wire (3) is fixedly connected to a hanging hammer (4), the outer surface of the connecting rod (2) is provided with a first rotating block (8), the outer surface of the first rotating block (8) is fixedly connected to a limiting plug rod (11), the inner surface of the first rotating block (8) is fixedly connected to a sliding block (10), the outer surface of the connecting rod (2) is provided with a sliding groove (9), and the outer shell (1) ) is threadedly connected to a sealing cover (6) at the bottom, the outer surface of the outer shell (1) is fixedly connected to a mounting device (5), the mounting device (5) comprises a connecting seat (51), the interior of the connecting seat (51) is fixedly connected to a fixing screw sleeve (52), the inner surface of the fixing screw sleeve (52) is threadedly connected to a movable screw rod (53), the end of the movable screw rod (53) is fixedly connected to a second rotating block (54), and the end of the movable screw rod (53) away from the second rotating block (54) is fixedly connected to a rubber pressure block (55).
2. The plumb bob for verticality detection of civil air defense doors according to claim 1, characterized in that: The outer surface of the connecting rotating rod (2) passes through the outer shell (1) and extends to the outside, and the first rotating block (8) is arranged on the outside of the outer shell (1).
3. The plumb bob for verticality detection of civil air defense doors according to claim 1, characterized in that: The output end of the limiting plug rod (11) is pressed and adapted to the inner surface of the limiting hole (7), and the limiting holes (7) are arranged in a ring with the connecting rotating rod (2) as the axis.
4. The plumb bob for verticality detection of civil air defense doors according to claim 1, characterized in that: The outer surface of the sliding block (10) is slidably connected to the inner surface of the sliding groove (9), and the outer surface of the hanging hammer (4) is sleeved and adapted to the inner surface of the outer shell (1).
5. The plumb bob for verticality detection of civil air defense doors according to claim 1, characterized in that: The outer surface of the connecting seat (51) is fixedly connected to the outer surface of the outer shell (1), the fixing screw sleeves (52) are symmetrically arranged on both sides of the connecting seat (51), and the outer surface of the movable screw rod (53) passes through the fixing screw sleeves (52).
6. The plumb bob for verticality detection of civil air defense doors according to claim 1, characterized in that: The second rotating block (54) is arranged on the outside of the connecting seat (51), and the rubber pressing block (55) is arranged in the inner cavity of the connecting seat (51).