CN219391275U - A leak detection device for rubber pipe fittings - Google Patents

Abstract

The utility model discloses a tightness detection device for a rubber pipe fitting, which comprises a sliding table, wherein a first baffle is fixedly connected to the upper side of the sliding table, one side of the first baffle is rotationally connected with a screw rod, the outer side of the screw rod is in threaded connection with a second baffle, a detection pipe and a valve mouth are fixedly embedded on the second baffle, one end of the detection pipe is fixedly connected with a barometer, an inner support and a plurality of clamping blocks arranged around the inner support are arranged on the adjacent sides of the first baffle and the second baffle, the clamping blocks are arranged at equal intervals by taking the inner support as a center through a synchronous mechanism, the clamping blocks and the inner support, after the rubber pipe fitting is sleeved on the outer side of the inner support in an interference manner, a handle is rotated, a screw rod is in threaded driving with a rack to drive a driving ring, and a chute on the driving ring extrudes a connecting rod, so that the connecting rod slides in a straight groove and can control each clamping block to gather inwards, and the function of clamping the end part of the rubber pipe fitting can be clamped.

Description

A leak detection device for rubber pipe fittings

technical field

The utility model relates to the technical field of air tightness detection, in particular to a rubber pipe fitting airtightness detection device.

Background technique

The rubber tube refers to the tube used for gas transportation. The characteristics of the rubber tube include physiological inertia, UV resistance, ozone resistance, high and low temperature resistance, high transparency, strong resilience, compression resistance, permanent deformation resistance, oil resistance, stamping resistance, acid and alkali resistance, wear resistance, flame retardancy, voltage resistance, and electrical conductivity.

Chinese Patent Publication No. CN211262610U provides a sealing test device for rubber pipe fittings, which is beneficial to the sealing of the mouth of the rubber pipe fitting by the two sets of clamping structures inside and outside, and by putting the pipe fitting and the device into water, observing whether bubbles are generated, and judging whether its airtightness is good. The detection accuracy of naked eye observation is poor, which is not conducive to the tightness detection of rubber pipe fittings. Therefore, the present invention provides a rubber pipe fittings tightness detection device to solve the above problems.

Utility model content

The utility model provides a sealing performance detection device for rubber pipe fittings, which solves the problem that the port clamping method of the sealing performance detection device for rubber pipe fittings needs to be operated separately for the two sets of clamping structures inside and outside. The operation steps are cumbersome, and it is inconvenient to put it into water for detection, which takes up a lot of detection time. In addition, the small bubbles caused by the tiny defects of rubber pipe fittings lead to poor detection accuracy by naked eye observation, which is not conducive to the technical problem of rubber pipe fitting sealing performance detection.

In order to solve the above-mentioned technical problems, the utility model provides a leak detection device for rubber pipe fittings, which includes a slide table. The upper side of the slide table is fixedly connected with a first baffle, one side of the first baffle is rotatably connected with a screw, and the outer side of the screw is threadedly connected with a second baffle. Both the baffle plate and the second baffle plate are provided with a transmission chamber, and a synchronization mechanism is installed in the transmission chamber. The part of the synchronization mechanism passing through the transmission chamber is fixedly connected with each clamping block, so that the rubber pipe is clamped between the inner support and each clamping block.

Preferably, the two inner supports are respectively fixedly embedded in the side walls of the first baffle and the second baffle, the detection tube and the air valve are located in the inner supports, and the outer edges of the ends of the inner supports are provided with chamfered surfaces.

Preferably, the synchronization mechanism includes a drive ring that is rotatably sleeved on the outer side of the inner support and a screw rod that is rotatably embedded between the upper and lower inner walls of the transmission compartment, wherein the drive ring is provided with a chute, the outside of the drive ring is provided with a gear ring, the outer side of the screw rod is threaded with a rack, the screw rod is meshed with the gear ring, and the top end of the screw rod passes through the transmission compartment and is fixedly connected with a handle.

Preferably, the adjacent sides of the first baffle and the second baffle are provided with a plurality of straight grooves surrounding the inner support, the clamping block has an arc-shaped structure, one side of the clamping block is fixedly connected with a connecting rod, and one end of the connecting rod passes through the adjacent straight grooves and inclined grooves and then is fixedly connected to the limiting block, and the connecting rod can slide linearly along the straight groove.

Preferably, a crank is fixedly connected to one end of the screw, and a rocker is rotatably connected to one end of the crank.

Preferably, two convex grooves are provided on the upper side of the slide table, and T-shaped blocks corresponding to the convex grooves are arranged on the lower side of the second baffle plate to match its structure.

Compared with related technologies, the utility model provides a sealing detection device for rubber pipe fittings, which has the following beneficial effects:

The utility model is a sealing performance detection device for rubber pipe fittings. Through the setting of the synchronous mechanism, the clamping block and the inner support, the clamping blocks are set equidistantly with the inner support as the center, and after the rubber pipe fitting is overfitted to the outside of the inner support, the handle is turned, the screw thread drives the rack to move, the rack meshes with the transmission drive ring, and the chute on the drive ring squeezes the connecting rod, so that the connecting rod slides in the straight groove, which can control the inward support of each clamping block. It can play the role of clamping and clamping the end of the rubber pipe fitting. ;

The utility model relates to a sealing performance detection device for rubber pipe fittings. Through the setting of the air pressure gauge and the valve nozzle, high-pressure gas is charged into the rubber pipe fitting from the valve mouth. After the inflation is completed, the current air pressure indication of the air pressure gauge is recorded. After waiting for 5-10 minutes, the air pressure indication of the air pressure gauge is re-transcribed, and the rubber pipe fitting is judged whether there is a sealing defect by comparing the two sets of air pressure indications, which effectively improves the detection accuracy.

Description of drawings

Fig. 1 is the exterior view of a kind of leak detection device of rubber pipe fitting of the present invention;

Fig. 2 is a front sectional view of a rubber pipe fitting leak detection device of the present invention;

Fig. 3 is a structural diagram of a clamping block in a sealing detection device of a rubber pipe fitting of the present invention;

Fig. 4 is a side view of a leak detection device for rubber pipe fittings of the present invention.

Symbols in the figure: 1, slide table; 11, convex groove; 2, first baffle plate; 3, screw rod; 31, crank; 32, rocker; 4, second baffle plate; 41, T-shaped block; 5, inner support; 6, synchronous mechanism; 61, drive ring; 62, screw rod; 81. Barometer; 9. Air valve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of them; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work, all belong to the scope of protection of the present invention.

Embodiment: As shown in Figures 1-4, a leak detection device for rubber pipe fittings of the present invention includes a slide table 1, the upper side of the slide table 1 is fixedly connected with a first baffle plate 2, one side of the first baffle plate 2 is rotatably connected with a screw 3, the outer side of the screw rod 3 is threadedly connected with a second baffle plate 4, the upper side of the slide table 1 is provided with two convex grooves 11, and the lower side of the second baffle plate 4 is provided with a T-shaped block 41 corresponding to the convex groove 11;

Specifically, the T-shaped block 41 can slide linearly along the convex groove 11, playing a guiding role;

Specifically, the rotation of the screw 3 can threadly drive the second baffle 4 to move linearly, and then the distance between the first baffle 2 and the second baffle 4 can be adjusted, and can be adapted to rubber pipes of any length.

Further, one end of the screw rod 3 is fixedly connected with a crank 31, and one side of the end of the crank 31 is rotatably connected with a rocker 32;

Specifically, holding the rocker 32 can drive the rocker 32 to rotate around the screw 3 as the center, so that the screw 3 can screw the screw to drive the second baffle 4 to move linearly.

Further, the second baffle 4 is fixedly embedded with a detection tube 8 and a valve 9, wherein one end of the detection tube 8 is fixedly connected with a barometer 81, and the two inner supports 5 are respectively fixedly embedded in the side walls of the first baffle 2 and the second baffle 4, the detection tube 8 and the valve 9 are located in the inner support 5, and the outer edges of the ends of the inner supports 5 are provided with oblique cut surfaces;

Specifically, both the detection tube 8 and the air valve 9 communicate with the inner space of the rubber pipe to be tested for realizing air intake and air pressure detection, and the air valve 9 can be connected with the manual air cylinder or the output pipe of the air pump to realize the inflation operation.

Further, the first baffle plate 2 and the second baffle plate 4 are provided with a transmission bin, and a synchronous mechanism 6 is installed in the transmission bin. The synchronous mechanism 6 includes a drive ring 61 which is rotatably sleeved on the outside of the inner support 5 and a screw rod 62 which is rotatably embedded between the upper and lower inner walls of the transmission bin. Wherein, the drive ring 61 is provided with a chute 65, the outside of the drive ring 61 is provided with a gear ring 63, and the outer side of the screw rod 62 is threaded with a rack 64, and the screw rod 62 is meshed with the gear ring 63. , and the top end of the screw rod 62 passes through the transmission chamber and is fixedly connected with a handle 66;

Specifically, the rack 64 contacts and slides with the inner wall of the transmission chamber, and when the handle 66 is turned, the threaded rack 64 of the threaded rod 62 slides, the rack 64 can engage with the gear ring 63 to rotate, and the gear ring 63 drives the drive ring 61 to rotate, and the linear motion is converted into a rotary motion, which is convenient for the operator to operate.

Further, the part of the synchronization mechanism 6 passing through the transmission chamber is fixedly connected with each clamping block 7, so that the rubber pipe is clamped between the inner support 5 and each clamping block 7, the adjacent sides of the first baffle 2 and the second baffle 4 are provided with an inner support 5 and a plurality of clamping blocks 7 arranged around the inner support 5, the adjacent sides of the first baffle 2 and the second baffle 4 are provided with a plurality of straight grooves arranged around the inner support 5, the clamping block 7 is in an arc structure, and one side of the clamping block 7 is fixedly connected with a connecting rod 71, one end of the connecting rod 71 passes through the adjacent straight groove and the inclined groove 65 and is fixedly connected to the limit block 72, and the connecting rod 71 can slide linearly along the straight groove;

Specifically, the spacing between the limiting block 72 and the clamping block 7 is consistent with the thickness of the driving ring 61 and the baffle plate. It is worth noting that a rectangular block is fixed on the outside of the connecting rod 71, and the rectangular block is adapted to the width of the straight groove, so that the clamping block 7 can only slide along a straight line;

Specifically, a plurality of clamping blocks 7 together form a circular structure, and the circular structure is adapted to the diameter of the rubber pipe, so that after the clamping blocks 7 are combined to form a circular structure, the outer wall of the rubber pipe can be clamped;

Specifically, the chute 65 is equidistantly arranged around the inner support 5, and the chute 65 is all inclined in the same direction. The width of the chute 65 is set in accordance with the diameter of the connecting rod 71. When the driving ring 61 rotates, the alternate position of the chute 65 and the straight groove changes, which can drive the connecting rod 71 to slide along the straight groove.

Specifically, the inner support 5 is designed in a ring structure, and the diameter of the inner support 5 is slightly larger than the diameter of the rubber pipe fitting. When installing, align the mouth of the rubber pipe fitting with the oblique cut surface and insert it, and squeeze the rubber pipe fitting until it is completely sleeved outside the inner support 5. After that, the mouth of the rubber pipe fitting deforms and expands, which can ensure the sealing of the contact surface.

Working principle: When using this device, first measure the length of the rubber pipe, turn the rocker 32, and the screw 3 threads drive the first baffle 2 to move to a suitable position, so that the distance between the first baffle 2 and the second baffle 4 matches the length of the rubber pipe, and then align the end of the rubber pipe with the inner support 5 and insert it. Turn the handle 66, the threaded screw rod 62 drives the rack 64 to move, the rack 64 meshes with the drive ring 61, the chute 65 on the drive ring 61 squeezes the connecting rod 71, so that the connecting rod 71 slides in the straight groove, and can control the clamping blocks 7 to gather inwardly 5 until the end of the rubber pipe is clamped, preventing the rubber pipe from falling off and ensuring the sealing effect. After waiting for 5-10 minutes, re-transcribe the air pressure indication of the barometer 81, and compare the two sets of air pressure indications to determine whether there is a sealing defect in the rubber pipe fitting.

It should be noted that in this document, 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 such actual relationship or order between these entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements but also other elements not expressly listed or which are inherent to such process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A leak detection device for rubber pipe fittings, comprising a slide table (1), characterized in that the upper side of the slide table (1) is fixedly connected with a first baffle plate (2), one side of the first baffle plate (2) is rotatably connected with a screw rod (3), the outer side of the screw rod (3) is threadedly connected with a second baffle plate (4), and the second baffle plate (4) is fixedly embedded with a detection tube (8) and a valve (9), wherein one end of the detection tube (8) is fixedly connected with a barometer (8) 1), the adjacent sides of the first baffle plate (2) and the second baffle plate (4) are provided with an inner support (5) and a plurality of clamping blocks (7) arranged around the inner support (5), and the first baffle plate (2) and the second baffle plate (4) are provided with a transmission compartment, and a synchronization mechanism (6) is installed in the transmission compartment. between. 2. A leak detection device for rubber pipe fittings according to claim 1, characterized in that the two inner supports (5) are respectively fixedly embedded in the side walls of the first baffle (2) and the second baffle (4), the detection tube (8) and the valve (9) are located in the inner support (5), and the outer edge of the end of the inner support (5) is provided with a beveled surface. 3. A leak detection device for rubber pipe fittings according to claim 1, characterized in that the synchronous mechanism (6) includes a drive ring (61) which is rotatably sleeved on the outside of the inner support (5) and a screw rod (62) which is rotatably embedded between the upper and lower inner walls of the transmission chamber, wherein a chute (65) is provided on the drive ring (61 ), a gear ring ( 63 ) is provided on the outside of the drive ring ( 61 ), and a rack ( 64 ) is threaded on the outside of the screw rod ( 62 ). The screw mandrel (62) is engaged with the gear ring (63), and the top end of the screw mandrel (62) passes through the transmission chamber and is fixedly connected with a handle (66). 4. A leak detection device for rubber pipe fittings according to claim 1, characterized in that the adjacent sides of the first baffle (2) and the second baffle (4) are provided with a plurality of straight grooves surrounding the inner support (5), the clamping block (7) is in an arc-shaped structure, one side of the clamping block (7) is fixedly connected with a connecting rod (71), and one end of the connecting rod (71) is fixedly connected to the limiting block (72) after passing through the adjacent straight groove and chute (65), and the connecting The rod (71) can slide linearly along the straight groove. 5. A leak detection device for rubber pipe fittings according to claim 1, characterized in that, one end of the screw (3) is fixedly connected to a crank (31), and one side of the end of the crank (31) is rotatably connected to a rocker (32). 6. The leak detection device for a rubber pipe fitting according to claim 1, characterized in that, two convex grooves (11) are provided on the upper side of the slide table (1), and a T-shaped block (41) corresponding to the convex groove (11) on the lower side of the second baffle plate (4) is provided with its structure.