CN218382112U

CN218382112U - Pressure resistance detection device for production sampling inspection of automobile silencer

Info

Publication number: CN218382112U
Application number: CN202222008320.4U
Authority: CN
Inventors: 余刚; 邓华; 余安林
Original assignee: Zhongxiang Mingdong Muffler Co ltd
Current assignee: Zhongxiang Mingdong Muffler Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-24
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a pressure resistance detection device for production sampling inspection of an automobile silencer, which belongs to the technical field of production of automobile accessories, and comprises a pressure-resistant detection box with an opening on the upper surface, wherein a chute is formed in the inner wall of the pressure-resistant detection box, two sliders are slidably mounted in the chute, a support rod is fixedly mounted on the upper surface of each slider, and a clamping mechanism for clamping and unlocking a workpiece is arranged on each support rod; through setting up the screw rod, it drives the screw rod rotation to rotate the hand wheel, the screw rod drives the regulating block side to side motion when rotating, the regulating block drives four fixed plate relative motion respectively through four regulation poles, realize carrying out the centre gripping fixed with the unblock effect to the work piece of different diameters size, through setting up two sliders, the realization is to the regulatory action of distance between two bracing pieces, it is fixed to realize carrying out the centre gripping to the work piece of different length, the cooperation bolt is fixed and the unblock to the slider, guarantee the stability of centre gripping work piece, it is more accurate to the fixed back detected data of work piece centre gripping, and convenient for produces and uses.

Description

Pressure resistance detection device for production sampling inspection of automobile silencer

Technical Field

The utility model belongs to the technical field of auto-parts produces, concretely relates to automobile muffler production selective examination is with resistance to pressure detection device.

Background

The automobile silencer is an essential part on an automobile, plays a role in silencing noise generated by automobile exhaust in the automobile running process, and needs to detect the pressure borne by the automobile silencer in the production process of the automobile silencer.

The existing automobile silencer detection device is used for clamping and fixing the silencer when the pressure resistance is detected, so that the detection data is not accurate, the quality of the produced silencer cannot be guaranteed, damage is easily caused in the use process, and inconvenience is brought to automobile use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car silencer production selective examination is with resistance to pressure detection device to it is fixed for carrying out the centre gripping to the silencer to solve the current car silencer detection device that proposes in the above-mentioned background art when the resistance to pressure detects, it is not accurate to lead to the detected data, makes the silencer quality of producing can not obtain the guarantee, causes the harm easily in the use, uses for the car and brings inconveniently.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a car silencer production selective examination is with resistance to pressure detection device, has the withstand voltage detection case of open-ended including the upper surface, the spout has been seted up to withstand voltage detection case inner wall, slidable mounting has two sliders in the spout, fixed surface installs the bracing piece on the slider, be provided with the fixture that is used for pressing from both sides tight and unblock work piece on the bracing piece, withstand voltage detection case opening part articulates there is withstand voltage glass cover, and withstand voltage glass covers fixed mounting and has the handle, be provided with the locking mechanical system who is used for unblock and the withstand voltage glass cover of locking on the withstand voltage detection case, fixed mounting has the intake pipe on the withstand voltage detection case, and installs the valve in the intake pipe, fixed mounting has the air pump on the withstand voltage detection case, the outlet duct and the intake pipe of air pump are linked together.

Adopt above-mentioned scheme, realize treating the fixed and unblock effect of centre gripping of work piece to different diameters through setting up bracing piece and fixture, through setting up two sliders, reach the regulating action to distance between two bracing pieces, it is fixed to realize carrying out the centre gripping to the work piece of different length, through setting up locking mechanical system, realize the unblock and the effect of locking to withstand voltage glass lid, through setting up the air pump, inflate and carry out the pressure boost to the internal portion of muffler when the air pump starts, thereby reach the withstand voltage detection effect to the muffler, the valve in the cooperation intake pipe plays and plays the sealing action to the inside air of muffler, avoid gas to spill in the testing process, lead to the testing result inaccurate.

In the above scheme, it should be noted that the air pump is electrically connected to the external power supply.

As a preferred embodiment, a bolt is installed on the sliding block in a threaded manner, and a plurality of threaded holes matched with the bolt for use are formed in the sliding groove.

By adopting the scheme, the bolt moves upwards and unlocks the sliding block when being far away from the threaded hole by arranging the two bolts, so that the unlocking effect of the left-right movement of the supporting rod and the clamping mechanism is achieved, the bolt moves downwards to the threaded hole and locks the sliding block, the whole realizing device can be suitable for workpieces with different lengths, the detection and the use are convenient, and the detection range is wide.

As a preferred embodiment, fixture includes the sleeve pipe, sleeve pipe fixed mounting is in the bracing piece upper end, rotate on the sleeve pipe and install the screw rod, and screw rod one end fixed mounting has the hand wheel, threaded mounting has the regulating block on the screw rod, the sleeve pipe all articulates with the regulating block surface has four regulation poles, two of same one side the regulation pole other end articulates there is same fixed plate.

By adopting the scheme, the hand wheel is rotated to drive the screw rod to rotate by arranging the screw rod, the adjusting block is driven to move left and right when the screw rod rotates, the adjusting block drives four fixing plates to move relatively through four adjusting rods, workpieces with different diameters are clamped, fixed and unlocked, and the device is simple in structure, wide in application range and high in practicability.

As a preferred embodiment, the locking mechanism comprises two first L-shaped rods, two of the first L-shaped rods are respectively and fixedly installed on two side surfaces of the pressure-resistant detection box, the upper ends of the first L-shaped rods are hinged to second L-shaped rods, fixing screws are installed on the second L-shaped rods in a threaded mode, handles are fixedly installed at the upper ends of the fixing screws, and fixing blocks are fixedly installed at the lower ends of the fixing screws.

Adopt above-mentioned scheme, through setting up clamping screw, the handle drives clamping screw and rotates, clamping screw drives the fixed block up-and-down motion, realize the locking and the unblock effect to withstand voltage glass lid, and realize the folding and the opening effect to clamping screw under the cooperation of L shape pole one and L shape pole two, play the sealed effect to withstand voltage detection case when the withstand voltage glass lid of fixed block locking, it leads to detecting inaccurate to avoid withstand voltage detection case to leak gas, be convenient for take out the work piece when the withstand voltage glass lid of fixed block unblock and centre gripping fixed, make things convenient for the staff to use.

As a preferred embodiment, the first L-shaped rod and the second L-shaped rod are both fixedly provided with hollow tubes, the two hollow tubes are provided with T-shaped rods in a sliding mode, springs are sleeved on the outer surfaces of the T-shaped rods, and the two ends of each spring are fixedly connected with the opposite surfaces of the hollow tubes and the T-shaped rods below respectively.

Adopt above-mentioned scheme, through setting up T shape pole, pulling T shape pole, unblock two motions of L shape pole when the top hollow tube is kept away from to T shape pole, realize the folding and the effect of opening to locking mechanism, loosen T shape pole and in the hollow tube that the T shape pole resets to the top under the elastic action of spring, realize the locking effect to L shape pole two, guarantee the stability of the withstand voltage glass lid of clamping screw locking on the L shape pole two.

As a preferred embodiment, an air pressure gauge and a timing meter are fixedly mounted on the upper surface of the pressure-resistant glass cover, a sealing strip is fixedly mounted at an opening of the pressure-resistant detection box, and the upper surface of the sealing strip is attached to the lower surface of the pressure-resistant glass cover.

Adopt above-mentioned scheme, through setting up barometer and chronometer, the barometer is measured the pressure of withstand voltage detection incasement, if the work piece is damaged gas leakage in withstand voltage testing process, the pressure in withstand voltage detection incasement can change, if the work piece is damaged and gas leakage not appear in withstand voltage testing process, pressure in withstand voltage detection incasement can not change, and carry out the record to the inside withstand voltage time of work piece under the effect of chronometer, realize further sealed effect of advancing between withstand voltage glass lid and withstand voltage detection case through setting up the sealing strip, avoid withstand voltage detection case gas leakage, guarantee that the measured data is accurate.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the pressure resistance detection device for the production sampling inspection of the automobile silencer, the screw rod is arranged, the hand wheel is rotated to drive the screw rod to rotate, the screw rod drives the adjusting block to move left and right when rotating, the adjusting block drives the four fixing plates to move relatively through the four adjusting rods respectively, clamping, fixing and unlocking of workpieces with different diameters are achieved, the adjusting effect of the distance between the two supporting rods is achieved through the arrangement of the two sliding blocks, the workpieces with different lengths are clamped and fixed, the sliding blocks are fixed and unlocked through the cooperation of bolts, the stability of the clamped workpieces is guaranteed, the whole device is suitable for the workpieces with different lengths and diameters, the detection range is wide, the practicability is high, detection data are more accurate after the workpieces are clamped and fixed, and the production and the use are convenient;

according to the pressure resistance detection device for the automobile muffler production spot check, the fixing screw is arranged, the handle drives the fixing screw to rotate, the fixing screw drives the fixing block to move up and down, the locking and unlocking effects on the pressure-resistant glass cover are realized, the folding and opening effects on the fixing screw are realized under the matching of the L-shaped rod I and the L-shaped rod II, the sealing effect on the pressure-resistant detection box is realized when the pressure-resistant glass cover is locked by the fixing block, the inaccuracy of detection caused by air leakage of the pressure-resistant detection box is avoided, the workpiece can be conveniently taken out and clamped and fixed when the pressure-resistant glass cover is unlocked by the fixing block, and the pressure resistance detection device is convenient for workers to use;

this pressure resistance detection device for production selective examination of car silencer is through setting up barometer and chronometer, the barometer is measured the pressure in the withstand voltage detection case, if the work piece is in withstand voltage testing process breakage gas leakage appears, the pressure in the withstand voltage detection case can change, if the work piece does not appear breakage and gas leakage in withstand voltage testing process, the pressure in the withstand voltage detection case can not change, and carry out the record to the inside withstand voltage time of work piece under the effect of chronometer, further sealed effect of going forward between withstand voltage glass lid and the withstand voltage detection case is realized through setting up the sealing strip, avoid withstand voltage detection case gas leakage, guarantee that the detected data is accurate inerrably.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the cross section of the pressure-resistant detection box of the present invention;

FIG. 3 is a schematic view of the locking mechanism of the present invention;

fig. 4 is a schematic structural diagram of the clamping mechanism of the present invention.

In the figure: 1. a pressure-resistant detection box; 2. a slider; 3. a support bar; 4. a pressure-resistant glass cover; 5. an air inlet pipe; 6. an air pump; 7. a sleeve; 8. a screw; 9. an adjusting block; 10. adjusting a rod; 11. a fixing plate; 12. an L-shaped rod I; 13. a second L-shaped rod; 14. fixing the screw rod; 15. a fixed block; 16. a hollow tube; 17. a T-shaped rod; 18. a spring; 19. a barometer; 20. a chronograph watch; 21. a sealing strip; 22. and (4) bolts.

Detailed Description

Please refer to fig. 1-4, the utility model provides a pressure resistance detection device for production spot check of automobile muffler, including that the upper surface has open-ended withstand voltage detection case 1, withstand voltage detection case 1 inner wall has seted up the spout, slidable mounting has two sliders 2 in the spout, the screw thread is installed bolt 22 on slider 2, set up a plurality of screw holes that use with bolt 22 cooperation in the spout, through setting up two bolts 22, when bolt 22 moves upward and keeps away from the screw hole, unblock slider 2, reach the unblock effect to bracing piece 3 and fixture side-to-side movement, play the locking effect to slider 2 when bolt 22 moves downward to the screw hole, the whole realization device can be applicable to the work piece of length difference, convenient to detect and use, detection range is wide;

the upper surface of the sliding block 2 is fixedly provided with a supporting rod 3, the supporting rod 3 is provided with a clamping mechanism for clamping and unlocking a workpiece, the clamping mechanism comprises a sleeve 7, the sleeve 7 is fixedly arranged at the upper end of the supporting rod 3, a screw 8 is rotatably arranged on the sleeve 7, one end of the screw 8 is fixedly provided with a hand wheel, an adjusting block 9 is arranged on the screw 8 in a threaded manner, the outer surfaces of the sleeve 7 and the adjusting block 9 are respectively hinged with four adjusting rods 10, the other ends of the two adjusting rods 10 on the same side are hinged with a same fixing plate 11, the screw 8 is arranged, the hand wheel is rotated to drive the screw 8 to rotate, the adjusting block 9 is driven to move left and right when the screw 8 rotates, the adjusting block 9 drives the four fixing plates 11 to move relatively through the four adjusting rods 10, the clamping, the workpiece with different diameters can be clamped, fixed and unlocked, the device is simple in structure, the application range is wide, and the practicability is strong;

the pressure-resistant detection box comprises a pressure-resistant detection box 1, a pressure-resistant glass cover 4 is hinged to an opening of the pressure-resistant detection box 1, a handle is fixedly mounted on the pressure-resistant glass cover 4, a locking mechanism used for unlocking and locking the pressure-resistant glass cover 4 is arranged on the pressure-resistant detection box 1, the locking mechanism comprises two L-shaped rods I12, the two L-shaped rods I12 are fixedly mounted on two side faces of the pressure-resistant detection box 1 respectively, the upper ends of the L-shaped rods I12 are hinged to L-shaped rods II 13, fixing screws 14 are mounted on the L-shaped rods II 13 in a threaded mode, the upper ends of the fixing screws 14 are fixedly mounted with the handle, fixing blocks 15 are fixedly mounted at the lower ends of the fixing screws 14, hollow pipes 16 are fixedly mounted on the L-shaped rods I12 and the L-shaped rods II 13 respectively, T-shaped rods 17 are mounted on the two hollow pipes 16 in a sliding mode, springs 18 are sleeved on the outer surfaces of the T-shaped rods 17, and two ends of the springs 18 are fixedly connected with opposite surfaces of the hollow pipes 16 and the T-shaped rods 17 below;

by arranging the fixing screw 14, the handle drives the fixing screw 14 to rotate, the fixing screw 14 drives the fixing block 15 to move up and down, the locking and unlocking effects on the pressure-resistant glass cover 4 are realized, the folding and opening effects on the fixing screw 14 are realized under the cooperation of the first L-shaped rod 12 and the second L-shaped rod 13, the sealing effect on the pressure-resistant detection box 1 is realized when the fixing block 15 locks the pressure-resistant glass cover 4, the inaccurate detection caused by air leakage of the pressure-resistant detection box 1 is avoided, the workpiece can be conveniently taken out and clamped and fixed when the pressure-resistant glass cover 4 is unlocked by the fixing block 15, the use by a worker is facilitated, the T-shaped rod 17 is pulled by arranging the T-shaped rod 17, the second L-shaped rod 13 is unlocked to move when the T-shaped rod 17 is far away from the upper hollow tube 16, the folding and opening effects on the locking mechanism are realized, the T-shaped rod 17 is loosened under the elastic action of the spring 18, the T-shaped rod 17 is reset into the upper hollow tube 16, the locking effect on the second L-shaped rod 13 is realized, and the stability of the fixing screw 14 on the second L-shaped rod 13 for locking the pressure-resistant glass cover 4 is ensured;

an air inlet pipe 5 is fixedly arranged on the pressure-resistant detection box 1, a valve is arranged on the air inlet pipe 5, an air pump 6 is fixedly arranged on the pressure-resistant detection box 1, an air outlet pipe of the air pump 6 is communicated with the air inlet pipe 5, a barometer 19 and a timing meter 20 are fixedly arranged on the upper surface of the pressure-resistant glass cover 4, a sealing strip 21 is fixedly arranged at an opening of the pressure-resistant detection box 1, and the upper surface of the sealing strip 21 is attached to the lower surface of the pressure-resistant glass cover 4;

through setting up barometer 19 and chronometer 20, barometer 19 measures the pressure in the withstand voltage detection case 1, the work piece is if appear damaged gas leakage in withstand voltage testing process, the pressure in withstand voltage detection case 1 can change, if the work piece does not appear damaged and gas leakage in withstand voltage testing process, pressure in withstand voltage detection case 1 can not change, and carry out the record to the inside withstand voltage time of work piece under the effect of chronometer 20, further sealed effect of going on between withstand voltage glass cover 4 and withstand voltage detection case 1 is realized through setting up sealing strip 21, avoid withstand voltage detection case 1 gas leakage, guarantee that the detection data is accurate inerrably.

When the pressure-resistant glass cover is used, firstly, the handle is rotated, the handle drives the fixed screw 14 to rotate, the fixed screw 14 drives the fixed block 15 to move upwards, the unlocking effect on the pressure-resistant glass cover 4 is realized, then the T-shaped rod 17 is pulled, the T-shaped rod 17 is far away from the upper hollow tube 16 to unlock the L-shaped rod II 13, the L-shaped rod II 13 rotates on the L-shaped rod I12 to fold the fixed screw 14 and the fixed block 15, then the pressure-resistant glass cover 4 is opened, the distance between the two sliders 2 is adjusted according to the length of the silencer, the bolts 22 on the two sides are rotated firstly to move upwards to unlock the sliders 2, then the sliders 2 drive the support rods 3 to slide in the sliding grooves, the bolts 22 are rotated to lock the sliders 2 when the distance between the two support rods 3 slides properly, then the left end opening of the silencer is blocked by a wood plug with a connecting pipe, and the connecting pipe on the wood plug is connected with the air inlet pipe 5, then the hand wheel is rotated, the hand wheel drives the screw rod 8 to rotate, the screw rod 8 drives the adjusting block 9 to move left and right when rotating, the adjusting block 9 drives the four fixing plates 11 to move relatively through the four adjusting rods 10, the hand wheel is stopped when the distance between the fixing plates 11 on the two sides is matched with the two ends of the silencer respectively, the two ends of the silencer are placed between the fixing plates 11 on the two sides respectively, then the hand wheel is continuously rotated to lock the workpiece, then the pressure-resistant glass cover 4 is closed, the L-shaped rod II 13 is rotated, then the T-shaped rod 17 and the L-shaped rod II 13 are pulled to rotate to the unfolding position, the T-shaped rod 17 is loosened, the pressure-resistant glass cover 4 is reset to the upper hollow tube 16 under the elastic action of the spring 18 to lock the L-shaped rod II 13 to move, then the operation is repeated to lock the pressure-resistant glass cover 4, then the valve on the air inlet pipe 5 is opened and the air pump 6 is started, the air pump 6 and the valves on the air inlet pipe 5 are closed after the internal pressure of the silencer is boosted, and then starting a timer, detecting the muffler according to the required detection time, if the workpiece is damaged and leaks air, and the barometer 19 changes at the moment, the pressure resistance detection of the workpiece is unqualified, if the barometer 19 does not change within the specified time, the pressure resistance detection of the workpiece is qualified, repeating the operation to open the pressure resistant glass cover 4 after the detection is finished, then rotating the hand wheel to unlock the workpiece, and recording the result of the pressure resistance detection according to the data of the barometer 19 and the condition of the outer surface of the workpiece.

Claims

1. The utility model provides a car silencer production selective examination is with resistance to pressure detection device which characterized in that: have open-ended withstand voltage detection case (1) including the upper surface, the spout has been seted up to withstand voltage detection case (1) inner wall, slidable mounting has two sliders (2) in the spout, fixed surface installs bracing piece (3) on slider (2), be provided with the fixture that is used for pressing from both sides tight and unblock work piece on bracing piece (3), withstand voltage detection case (1) opening part articulates there is withstand voltage glass cover (4), and fixed mounting has the handle on withstand voltage glass cover (4), be provided with the locking mechanical system who is used for unblock and the withstand voltage glass cover of locking (4) on withstand voltage detection case (1), fixed mounting has intake pipe (5) on withstand voltage detection case (1), and installs the valve on intake pipe (5), fixed mounting has air pump (6) on withstand voltage detection case (1), the outlet duct and intake pipe (5) of air pump (6) are linked together.

2. The pressure resistance detection device for the production sampling inspection of the automobile muffler, according to claim 1, is characterized in that: the slider (2) is provided with a bolt (22) in a threaded manner, and the sliding groove is internally provided with a plurality of threaded holes matched with the bolt (22) for use.

3. The pressure resistance detection device for the production sampling inspection of the automobile muffler, according to claim 1, is characterized in that: fixture includes sleeve pipe (7), sleeve pipe (7) fixed mounting is in bracing piece (3) upper end, rotate on sleeve pipe (7) and install screw rod (8), and screw rod (8) one end fixed mounting has a hand wheel, regulating block (9) are installed to the screw thread on screw rod (8), sleeve pipe (7) all articulate with regulating block (9) surface has four to adjust pole (10), with two of one side it articulates to have same fixed plate (11) to adjust pole (10) other end.

4. The pressure resistance detection device for the production sampling inspection of the automobile muffler according to claim 1, characterized in that: locking mechanical system includes two L shape pole one (12), two L shape pole one (12) respectively fixed mounting is at the both sides face of withstand voltage detection case (1), L shape pole one (12) upper end articulates there is L shape pole two (13), threaded mounting has clamping screw (14) on L shape pole two (13), clamping screw (14) upper end fixed mounting has the handle, clamping screw (14) lower extreme fixed mounting has fixed block (15).

5. The pressure resistance detection device for the production sampling inspection of the automobile muffler, according to claim 4, is characterized in that: equal fixed mounting has hollow tube (16), two on L shape pole (12) and L shape pole two (13) slidable mounting has T shape pole (17) on hollow tube (16), T shape pole (17) surface cover is equipped with spring (18), and the both ends of spring (18) respectively with the opposite face fixed connection of below hollow tube (16) and T shape pole (17).

6. The pressure resistance detection device for the production sampling inspection of the automobile muffler, according to claim 1, is characterized in that: fixed surface installs barometer (19) and chronometer (20) on withstand voltage glass lid (4), withstand voltage detection case (1) opening part fixed mounting has sealing strip (21), sealing strip (21) upper surface laminates mutually with withstand voltage glass lid (4) lower surface.