CN219189954U

CN219189954U - Civil air defense engineering valve gas tightness detection device

Info

Publication number: CN219189954U
Application number: CN202320123553.0U
Authority: CN
Inventors: 柳荣政; 黄江辉
Original assignee: Guangdong Jinbaishun Civil Defense Engineering Co ltd
Current assignee: Guangdong Jinbaishun Civil Defense Engineering Co ltd
Priority date: 2023-01-15
Filing date: 2023-01-15
Publication date: 2023-06-16
Anticipated expiration: 2033-01-15

Abstract

The utility model relates to the technical field of detection devices, in particular to a civil air defense engineering valve air tightness detection device which comprises a test table, wherein a sliding groove is formed in the upper end face of the test table, rotating parts are rotatably connected to the left end and the right end of the sliding groove, screw rods are oppositely arranged at the opposite ends of the two groups of rotating parts, fixing components extending to the upper part of the test table are slidably connected to the peripheries of the two groups of screw rods, rotating shafts extending to the positions between the two groups of screw rods are rotatably connected to the front end and the rear end of the test table, a first gear and a second gear are respectively arranged at the opposite ends of the two groups of screw rods and the end, facing the screw rods, of the rotating shafts, of the first gear is meshed with the second gear, and the civil air defense engineering valve air tightness detection device overcomes the defects of complex structure, high production cost and the like in the prior art.

Description

Civil air defense engineering valve gas tightness detection device

Technical Field

The utility model relates to the technical field of detection devices, in particular to a civil air defense engineering valve air tightness detection device.

Background

The civil air defense engineering valve generally adopts an airtight valve, and the airtight valve plays a role in the airtight performance of engineering, so that the airtight detection of the civil air defense engineering valve is often carried out by utilizing a detection device before delivery or use in order to ensure the quality and effectiveness of the civil air defense engineering valve.

A detection device for civil air defense engineering valve detects when using need be fixed in detection device with the valve body on to ensure the stability when the civil air defense engineering valve detects, but be used for fixed civil air defense engineering valve's fixed knot to construct on the current detection device and construct for the structure is complicated mostly to electronic drive, and manufacturing cost is higher, has increased detection device's cost, just so needs a simple structure, fixed knot that the cost is lower constructs.

Disclosure of Invention

The utility model aims to solve the defects of complex structure, higher production cost and the like in the prior art, and provides a civil air defense engineering valve air tightness detection device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a people's air tightness detection device of air defense engineering valve, includes the testboard, the sliding tray has been seted up on the up end of testboard, both ends all rotate about the sliding tray are connected with the rotation piece, two sets of the relative one end of rotation piece all is opposite directions are provided with the lead screw, two sets of the equal sliding connection of periphery of lead screw has and extends to the fixed subassembly of testboard top, both ends all rotate around the testboard are connected with and extend to two sets of pivot between the lead screw, two sets of the relative one end of lead screw with the pivot orientation one end of lead screw is provided with first gear and second gear respectively, first gear with second gear engagement, the one end activity grafting in the pivot outside have with the locking component of the outside terminal surface activity joint of testboard.

Preferably, the fixed subassembly include sliding connection in the inside sliding block of sliding tray, the inside rotation of sliding block be connected with lead screw matched with lead screw, the upper end fixedly connected with of sliding block extends to the top of testboard, the upper end fixed mounting of sliding block has the mounting panel, the upper end fixed mounting of mounting panel has clamping device.

Preferably, the locking component comprises spline grooves formed in the outer end face of the rotating shaft, spline pins are movably inserted in the spline grooves, a rotary table is fixedly connected with one end of the outer side of each spline pin, and clamping teeth which are movably clamped with each other are formed in the end face of one side, opposite to the test bench, of each rotary table.

Preferably, a permanent magnet is movably connected between the spline pin and the inner side end surface of the spline groove.

Preferably, the first gear and the second gear are bevel gears.

The utility model provides a civil air defense engineering valve air tightness detection device, which has the beneficial effects that:

through the pivot that sets up, when rotating the axis of rotation, the pivot drives two sets of first gears through the second gear and makes two sets of lead screws reverse rotation, and then drives two sets of fixed subassembly subtends or dorsad and remove to play fixed or unblock effect, simple structure simultaneously, the production of being convenient for, and the operation of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the main structure of a device for detecting the air tightness of a civil air defense engineering valve;

fig. 2 is a schematic cross-sectional structure diagram of an air tightness detection device for a civil air defense engineering valve according to the present utility model;

fig. 3 is a schematic longitudinal sectional structure diagram of an air tightness detection device for a civil air defense engineering valve provided by the utility model;

fig. 4 is an enlarged schematic diagram of a region a of the air tightness detection device for the civil air defense engineering valve.

In the figure: 1. a test bench; 2. a sliding groove; 3. a rotating member; 4. a screw rod; 5. a sliding block; 6. a mounting plate; 7. a clamping device; 8. a first gear; 9. a rotating shaft; 10. a second gear; 11. spline grooves; 12. a spline pin; 13. a permanent magnet; 14. a turntable; 15. and (5) clamping teeth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a civil air defense engineering valve air tightness detection device comprises a test bench 1, wherein a detection device is arranged on the test bench 1, a sliding groove 2 is formed in the upper end face of the test bench 1, the sliding groove 2 is of a T-shaped structure, rotating pieces 3 are rotatably connected to the left end and the right end of the sliding groove 2, screw rods 4 are oppositely arranged at opposite ends of the two groups of rotating pieces 3, fixing components extending to the upper side of the test bench 1 are slidably connected to the peripheries of the two groups of screw rods 4, rotating shafts 9 extending to the positions between the two groups of screw rods 4 are rotatably connected to the front end and the rear end of the test bench 1, one ends, opposite to the two groups of screw rods 4, of the rotating shafts 9, facing to one end of the screw rods 4 are respectively provided with a first gear 8 and a second gear 10, the first gear 8 is meshed with the second gear 10, and one end of the outer side of the rotating shaft 9 is movably inserted with a locking component movably clamped with the outer side end face of the test bench 1.

The fixed subassembly includes sliding connection in the inside sliding block 5 of sliding tray 2, and the inside rotation of sliding block 5 is connected with the lead screw 4 with lead screw 4 matched with, and the upper end fixedly connected with of sliding block 5 extends to the top of testboard 1, and the upper end fixed mounting of sliding block 5 has mounting panel 6, and the upper end fixed mounting of mounting panel 6 has clamping device 7, plays the fixed effect to the valve.

The locking component comprises a spline groove 11 formed in the outer side end face of the rotating shaft 9, a spline pin 12 is movably inserted in the spline groove 11, a rotary table 14 is fixedly connected to one end of the outer side of the spline pin 12, clamping teeth 15 which are movably clamped with each other are formed in the end face of one side, opposite to the test bench 1, of the rotary table 14, and when the rotary table 14 is clamped with the test bench 1 through the clamping teeth, the locking effect can be achieved.

A permanent magnet 13 is movably connected between the spline pin 12 and the inner side end surface of the spline groove 11 in a suction way, so that the turntable 14 is clamped with the test bench 1 through the clamping teeth in a natural state.

The first gear 8 and the second gear 10 are bevel gears, and have the effect of steering transmission.

The working mode is as follows; during operation, the turntable 14 is pulled outwards, the clamping teeth 15 between the turntable 14 and the test bench 1 are separated from each other, the rotating shaft 9 can be rotated, the rotating shaft 9 drives the second gear 10 to rotate, the second gear 10 is meshed with the two groups of first gears 8, the two groups of screw rods 4 are enabled to move reversely, and then the two groups of fixing components are driven to move oppositely or back to play a role in fixing the valve.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a civil air defense engineering valve gas tightness detection device, includes testboard (1), its characterized in that: the test bench is characterized in that a sliding groove (2) is formed in the upper end face of the test bench (1), rotating parts (3) are connected to the left end and the right end of the sliding groove (2) in a rotating mode, two groups of rotating parts (3) are oppositely arranged at opposite ends of the rotating parts, screw rods (4) are arranged at the periphery of the screw rods (4) in a sliding mode, fixing components extending to the upper portion of the test bench (1) are connected to the front end and the rear end of the test bench (1) in a sliding mode, rotating shafts (9) extending to the two groups of the screw rods (4) are connected to the front end and the rear end of the test bench (1) in a rotating mode, a first gear (8) and a second gear (10) are arranged at one end, opposite to the rotating shafts (9), of the first gear (8) and the second gear (10) are meshed, and one end of the outer side of the rotating shafts (9) is movably inserted with locking components movably clamped with the outer end face of the test bench (1).

2. The civil air defense engineering valve tightness detection device according to claim 1, wherein: the fixing assembly comprises a sliding block (5) which is connected to the inside of the sliding groove (2) in a sliding mode, the inside of the sliding block (5) is rotationally connected with a screw rod (4) matched with the screw rod (4), the upper end of the sliding block (5) is fixedly connected with a clamping device (7) which extends to the upper side of the test table (1), and the upper end of the sliding block (5) is fixedly provided with a mounting plate (6).

3. The civil air defense engineering valve tightness detection device according to claim 1, wherein: the locking assembly comprises spline grooves (11) formed in the outer side end face of the rotating shaft (9), spline pins (12) are movably inserted into the spline grooves (11), a rotary table (14) is fixedly connected to one end of the outer side of each spline pin (12), and clamping teeth (15) which are movably clamped with each other are formed in the end face of one side, opposite to the test bench (1), of each rotary table (14).

4. A civil air defense engineering valve tightness detection device according to claim 3, characterized in that: a permanent magnet (13) is movably connected between the spline pin (12) and the inner side end surface of the spline groove (11).

5. The civil air defense engineering valve tightness detection device according to claim 1, wherein: the first gear (8) and the second gear (10) are bevel gears.