CN219391275U

CN219391275U - Tightness detection device for rubber pipe fitting

Info

Publication number: CN219391275U
Application number: CN202320815050.XU
Authority: CN
Inventors: 茅宇宸
Original assignee: Haihua Rubber & Plastic Co ltd
Current assignee: Haihua Rubber & Plastic Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-21
Anticipated expiration: 2033-04-13

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

Tightness detection device for rubber pipe fitting

Technical Field

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

Background

The rubber tube is a tube for gas conveying, and has the characteristics of physiological inertia, ultraviolet resistance, ozone resistance, high and low temperature resistance, high transparency, strong resilience force, compression resistance, permanent deformation resistance, oil resistance, stamping resistance, acid and alkali resistance, wear resistance, flame resistance, voltage resistance, electric conduction and other performances, and is a flexible tube, and when the sealing detection is carried out, the sealing of the rubber tube is difficult to realize, which is the difficulty in the sealing detection of the rubber tube;

chinese patent publication No. CN211262610U provides a sealing detection device of rubber pipe fitting, it does benefit to inside and outside two sets of clamping structure and realizes the orificial sealing of rubber pipe fitting, and through putting pipe fitting and device into water, observe whether to produce the bubble, judge whether its gas tightness is good, however, the clamping manner in the above-mentioned technique needs to operate inside and outside two sets of clamping structure alone, the operation procedure is loaded down with trivial details, and it has inconvenience to put into the aquatic and detect, occupy a large amount of detection time, in addition, the bubble that the tiny defect of rubber pipe fitting caused is little, this detection accuracy who leads to the naked eye to survey is poor, be unfavorable for the sealing detection of rubber pipe fitting, for this the utility model provides a sealing detection device of rubber pipe fitting is used for solving above-mentioned problem.

Disclosure of Invention

The utility model provides a tightness detection device for a rubber pipe fitting, which solves the technical problems that the port clamping mode of the tightness detection device for the rubber pipe fitting needs to independently operate an inner clamping structure and an outer clamping structure, the operation steps are complicated, the detection in water is inconvenient, a large amount of detection time is occupied, in addition, the bubbles caused by the tiny defects of the rubber pipe fitting are small, the detection accuracy of naked eyes is poor, and the tightness detection of the rubber pipe fitting is not facilitated.

In order to solve the technical problems, the tightness detection device for the rubber pipe fitting comprises a sliding table, wherein a first baffle is fixedly connected to the upper side of the sliding table, a screw is rotationally connected to one side of the first baffle, a second baffle is connected to the outer side of the screw in a threaded mode, a detection pipe and an inflating valve are fixedly embedded in the second baffle, one end of the detection pipe is fixedly connected with a barometer, an inner support and a plurality of clamping blocks which are arranged around the inner support are arranged on the adjacent sides of the first baffle and the second baffle, a transmission bin is arranged in each of the first baffle and the second baffle, and a synchronous mechanism is arranged in each of the transmission bin, and the part of the synchronous mechanism penetrating out of the transmission bin is fixedly connected with each clamping block, so that the rubber pipe fitting 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 inflating valve are both positioned in the inner supports, and the outer edges of the end parts of the inner supports are both provided with chamfer surfaces.

Preferably, the synchronous mechanism comprises a driving ring which is sleeved on the outer side of the inner support and a screw rod which is rotationally embedded between the upper inner wall and the lower inner wall of the transmission bin, wherein a chute is arranged on the driving ring, a toothed ring is arranged on the outer side of the driving ring, a rack is connected with the outer side of the screw rod in a threaded manner, the screw rod is meshed with the toothed ring and connected, and the top end of the screw rod penetrates out of the transmission bin and is fixedly connected with a handle.

Preferably, the adjacent sides of the first baffle and the second baffle are respectively provided with a plurality of straight grooves which are arranged around the inner support, the clamping blocks are of arc structures, one side of each clamping block is fixedly connected with a connecting rod, one end of each connecting rod passes through the adjacent straight grooves and the adjacent chute and then is fixedly connected with a limiting block, and the connecting rods can linearly slide along the straight grooves.

Preferably, one end of the screw is fixedly connected with a crank, and one side of the end of the crank is rotationally connected with a rocker.

Preferably, the upside of slip table is provided with two convex grooves, the downside of second baffle corresponds the convex groove and is provided with the T type piece rather than the structure looks adaptation.

Compared with the related art, the tightness detection device for the rubber pipe fitting has the following beneficial effects:

according to the tightness detection device for the rubber pipe fitting, through the arrangement of the synchronous mechanism, the clamping blocks and the inner support, the clamping blocks are arranged at equal intervals by taking the inner support as the center, after the rubber pipe fitting is sleeved outside the inner support in an interference manner, the handle is rotated, the screw rod is driven by screw threads to drive the rack to move, the rack is meshed with the driving ring, and the chute on the driving ring extrudes the connecting rod, so that the connecting rod slides in the straight slot, each clamping block can be controlled to inwards support and gather together, the effect of clamping the end part of the rubber pipe fitting can be achieved, the installation operation is convenient and quick, and the sealing effect is good;

according to the tightness detection device for the rubber pipe fitting, the high-pressure gas is filled into the rubber pipe fitting from the inflating valve through the arrangement of the barometer and the inflating valve, after the inflating is finished, the current barometer pressure indication is recorded, after waiting for 5-10 minutes, the barometer pressure indication is re-recorded, and whether the rubber pipe fitting has a sealing defect can be judged by comparing the two groups of barometer pressure indications, so that the detection precision is effectively improved.

Drawings

FIG. 1 is an external view of a sealing performance detecting apparatus for a rubber tube according to the present utility model;

FIG. 2 is a front cross-sectional view of a sealing performance detecting apparatus for a rubber tube according to the present utility model;

FIG. 3 is a block diagram of a clamp block in a device for detecting tightness of a rubber tube according to the present utility model;

fig. 4 is a side view of a tightness testing device for rubber pipe fittings according to the present utility model.

Reference numerals in the drawings: 1. a sliding table; 11. a convex groove; 2. a first baffle; 3. a screw; 31. a crank; 32. a rocker; 4. a second baffle; 41. a T-shaped block; 5. an inner support; 6. a synchronizing mechanism; 61. a drive ring; 62. a screw rod; 63. a toothed ring; 64. a rack; 65. a chute; 66. a handle; 7. a clamping block; 71. a connecting rod; 72. a limiting block; 8. a detection tube; 81. an air pressure gauge; 9. and a valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: 1-4, the tightness detection device of the rubber pipe fitting comprises a sliding table 1, wherein a first baffle plate 2 is fixedly connected to the upper side of the sliding table 1, a screw rod 3 is rotatably connected to one side of the first baffle plate 2, a second baffle plate 4 is connected to the outer side of the screw rod 3 in a threaded manner, two convex grooves 11 are formed in the upper side of the sliding table 1, and a T-shaped block 41 matched with the structure of the second baffle plate is arranged on the lower side of the second baffle plate 4 corresponding to the convex grooves 11;

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

specifically, the screw 3 rotates, and the second baffle 4 can be driven by threads to linearly move, so that the distance between the first baffle 2 and the second baffle 4 can be adjusted, and the rubber pipe fitting with any length can be adapted.

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

specifically, the rocker 32 is held, so that the rocker 32 can be driven to rotate around the screw 3 as a center, and the screw 3 can drive the second baffle 4 to linearly move through threads.

Further, a detection tube 8 and an inflating valve 9 are fixedly embedded in the second baffle 4, wherein one end of the detection tube 8 is fixedly connected with a barometer 81, 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 inflating valve 9 are both positioned in the inner supports 5, and the outer edges of the end parts of the inner supports 5 are both provided with chamfer surfaces;

specifically, the detection tube 8 and the inflating valve 9 are both communicated with the inner space of the rubber pipe fitting to be detected, so as to realize air inlet and air pressure detection, and the inflating valve 9 can be communicated with a manual inflator or an air pump output tube so as to realize inflation operation.

Further, a transmission bin is arranged in each of the first baffle 2 and the second baffle 4, a synchronizing mechanism 6 is arranged in each transmission bin, each synchronizing mechanism 6 comprises a driving ring 61 rotatably sleeved on the outer side of the inner support 5 and a screw rod 62 rotatably embedded between the upper inner wall and the lower inner wall of each transmission bin, a chute 65 is arranged on the driving ring 61, a toothed ring 63 is arranged on the outer side of the driving ring 61, a rack 64 is connected with the outer side of each screw rod 62 in a threaded manner, the screw rods 62 are in meshed connection with the toothed rings 63, and the top ends of the screw rods 62 penetrate out of the transmission bins and are fixedly connected with handles 66;

specifically, the rack 64 slides in contact with the inner wall of the transmission bin, the handle 66 is rotated, the screw rod 62 is screwed, the rack 64 can be meshed with the toothed ring 63 to rotate, the toothed ring 63 drives the driving ring 61 to rotate, and the linear motion is converted into the rotary motion, so that the operation of operators is facilitated.

Further, the portion of the synchronizing mechanism 6 penetrating out of the transmission bin is fixedly connected with each clamping block 7, so that the rubber pipe fitting is clamped between the inner support 5 and each clamping block 7, the adjacent sides of the first baffle plate 2 and the second baffle plate 4 are respectively provided with the inner support 5 and a plurality of clamping blocks 7 arranged around the inner support 5, the adjacent sides of the first baffle plate 2 and the second baffle plate 4 are respectively provided with a plurality of straight grooves arranged around the inner support 5, the clamping blocks 7 are of arc structures, one side of each clamping block 7 is fixedly connected with a connecting rod 71, one end of each connecting rod 71 is fixedly connected with a limiting block 72 after passing through the adjacent straight groove and the corresponding chute 65, and the connecting rod 71 can slide along the straight groove in a straight line;

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, and it is worth to be noted that a rectangular block is fixed on the outer side of the connecting rod 71, and the rectangular block is matched with the width of the straight slot, so that the clamping block 7 can only slide along the straight line;

specifically, the plurality of clamping blocks 7 jointly enclose a circular structure, and the circular structure is matched with the diameter of the rubber pipe fitting, so that the clamping blocks 7 can clamp the outer wall of the rubber pipe fitting after being spliced to form the circular structure;

specifically, the inclined grooves 65 are equidistantly arranged around the inner support 5, the inclined grooves 65 are uniformly inclined, the width of the inclined grooves 65 is consistent with the diameter of the connecting rod 71, and when the driving ring 61 rotates, the staggered positions of the inclined grooves 65 and the straight grooves change to drive the connecting rod 71 to slide along the straight grooves.

Specifically, the inner support 5 is of an annular structural design, the diameter of the inner support 5 is slightly larger than that of the rubber pipe fitting, when the rubber pipe fitting is installed, the pipe orifice of the rubber pipe fitting is aligned with the chamfer surface to be inserted, the rubber pipe fitting is extruded forcefully until the rubber pipe fitting is completely sleeved outside the inner support 5, and the pipe orifice of the rubber pipe fitting deforms and expands, so that the tightness of a contact surface can be ensured.

Working principle: when the device is used, the length of the rubber pipe fitting is measured firstly, the rocker 32 is rotated, the first baffle plate 2 is driven by the screw 3 to move to a proper position by threads, the distance between the first baffle plate 2 and the second baffle plate 4 is matched with the length of the rubber pipe fitting, then the end part of the rubber pipe fitting is aligned to the inner support 5 and embedded, the inclined surface can squeeze the inner pipe wall of the rubber pipe fitting, the rubber pipe fitting is fully supported, the rubber pipe fitting and the outer wall of the inner support 5 are in interference fit, sealing can be realized, after the two ends of the rubber pipe fitting are respectively positioned, the handle 66 is rotated, the rack 64 is driven by the screw 62 to move by threads, the rack 64 is meshed with the driving ring 61, the connecting rod 71 is extruded by the chute 65 on the driving ring 61, so that the connecting rod 71 slides in the straight groove, each clamping block 7 can be controlled to gather inwards until the end part of the rubber pipe fitting is clamped, the rubber pipe fitting is prevented from falling off, the sealing effect is guaranteed, then high-pressure gas is filled into the rubber pipe fitting from the air valve 9, after the air charging is finished, the current air pressure indication of the air pressure gauge 81 is recorded, after waiting for 5-10 minutes, the air pressure indication of the air pressure gauge 81 is recorded again, whether the two groups of air pressure indication of the air pressure is compared with the air pressure indication of whether the two groups of air pressure defect sealing pipe fitting can be judged.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leakproofness detection device of rubber tube spare, includes slip table (1), its characterized in that, the upside of slip table (1) sets up fixedly connected with first baffle (2), one side rotation of first baffle (2) is connected with screw rod (3), the outside threaded connection of screw rod (3) has second baffle (4), fixed inlay on second baffle (4) is equipped with detection tube (8) and inflating valve (9), wherein, the one end fixedly connected with barometer (81) of detection tube (8), the adjacent side of first baffle (2), second baffle (4) all is provided with interior support (5) and a plurality of grip blocks (7) that set up around interior support (5), just all be provided with in first baffle (2), second baffle (4) and drive storehouse, all install synchro mechanism (6) in the drive storehouse, the part and each grip block (7) of synchro mechanism (6) wear out the drive storehouse for rubber tube spare centre gripping is in between interior support (5) and each grip block (7).

2. The tightness detection device for the rubber pipe fitting according to claim 1, wherein the two inner supports (5) are fixedly embedded in the side walls of the first baffle plate (2) and the second baffle plate (4) respectively, the detection pipe (8) and the inflating valve (9) are both positioned in the inner supports (5), and chamfer surfaces are arranged on the outer edges of the end parts of the inner supports (5).

3. The tightness detection device for the rubber pipe fitting according to claim 1, wherein the synchronization mechanism (6) comprises a driving ring (61) rotatably sleeved on the outer side of the inner support (5) and a screw rod (62) rotatably embedded between the upper inner wall and the lower inner wall of the transmission bin, a chute (65) is arranged on the driving ring (61), a toothed ring (63) is arranged on the outer side of the driving ring (61), a rack (64) is connected to the outer side of the screw rod (62) in a threaded manner, the screw rod (62) is meshed with the toothed ring (63), and the top end of the screw rod (62) penetrates out of the transmission bin to be fixedly connected with a handle (66).

4. The tightness detection device for the rubber pipe fitting according to claim 1, wherein a plurality of straight grooves surrounding an inner support (5) are formed in adjacent sides of the first baffle (2) and the second baffle (4), the clamping block (7) is of an arc-shaped structure, a connecting rod (71) is fixedly connected to one side of the clamping block (7), a limiting block (72) is fixedly connected to one end of the connecting rod (71) after passing through the adjacent straight grooves and the inclined groove (65), and the connecting rod (71) can slide along the straight grooves in a straight line.

5. The tightness detection device for the rubber pipe fitting according to claim 1, wherein one end of the screw rod (3) is fixedly connected with a crank (31), and one side of the end part of the crank (31) is rotatably connected with a rocker (32).

6. The tightness detection device for the rubber pipe fitting according to claim 1, wherein two convex grooves (11) are formed in the upper side of the sliding table (1), and a T-shaped block (41) matched with the structure of the second baffle plate (4) is arranged on the lower side of the second baffle plate corresponding to the convex grooves (11).