CN210603736U

CN210603736U - Pen body piston leak detector

Info

Publication number: CN210603736U
Application number: CN201921647359.2U
Authority: CN
Inventors: 魏东平
Original assignee: Changshu Ikeda Cosmetics Packaging Co Ltd
Current assignee: Changshu Ikeda Cosmetics Packaging Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-05-22
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a pen body piston machine of leaking hunting relates to the quick-witted technical field that leaks hunting, aims at solving prior art and leads to staff's the great problem of working strength. The technical scheme is characterized in that the outer side wall of the fixing ring is provided with a mounting groove in a penetrating manner, the outer side wall of the positioning carrier is provided with a through hole communicated with the mounting groove, and the mounting groove and the through hole together form a fixing groove; a fixed rod is slidably arranged in the fixed groove, one end of the fixed rod is positioned in the fixed groove, and the other end of the fixed rod penetrates through the fixed groove and is hemispherical; the outer ring is connected to the outer side wall of the fixing ring in a threaded mode, and an elastic piece for preventing the fixing rod from being separated from the fixing groove is arranged in the fixing groove. When the air tightness of the product needs to be detected, the outer ring drives the fixing rod to abut against the outer side wall of the test product, so that the test product is fixed, the worker does not need to fix the test product by hands, and the working strength of the worker is reduced.

Description

Pen body piston leak detector

Technical Field

The utility model belongs to the technical field of leak hunting machine technique and specifically relates to a pen body piston leak hunting machine is related to.

Background

The air tightness testing machine is also called an air tightness detection testing machine, is equipment widely applied to air tightness tests of various sealing elements such as a faucet cavity, an automobile cylinder body, a piston cavity, a bent pipe cavity, a pressure gauge, an air storage tank and the like, can be used for production type batch tests, and can also be used for spot check or laboratory use.

The existing Chinese patent with the authorization notice number of CN208887874U discloses an air tightness testing machine, which comprises a frame, a first linear actuator, an upper die of a jig, a lower die of the jig, a plurality of side inflation groups and a vacuumizing device, wherein the first linear actuator is fixed on the frame along the vertical direction, the upper die of the jig is positioned below the first linear actuator, the inner diameter of the lower die of the jig is larger than the outer diameter of a test product, the upper die of the jig is connected with the output end of the first linear actuator, the lower die of the jig is fixed on the frame and positioned below the upper die of the jig, the test product is positioned between the upper die of the jig and the lower die of the jig, the side inflation groups are positioned on the lower die of the jig, an air hole on the side inflation groups is positioned at. When the air tightness test is to be carried out, a worker is required to place a test product in the lower jig die, the test product is fixed by hands, the test product is sealed through the sealing piece and the push block, and the sealing property of a test part is guaranteed. The air hole penetrates through the push block along the moving direction of the push block, and after sealing is completed, the air hole vacuumizer is used for exhausting air or inflating air to a test position of a test product to detect whether the test product leaks.

However, the above prior art solutions have the following drawbacks: because the internal diameter of tool lower mould is greater than the external diameter of test product, just need the staff to fix the test product with the hand in the test procedure to this guarantees that tool upper mould is corresponding with the test product, but it is more time-consuming and laborious, has increaseed staff's working strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pen body piston leak hunting machine, it has the effect that reduces working strength.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a pen body piston leak detector comprises a rack, wherein an air cylinder is arranged on the rack in the vertical direction, the output end of the air cylinder is connected with a sealing pressure head and used for driving the sealing pressure head to move up and down, and a positioning carrier corresponding to the sealing pressure head is arranged on the rack; the outer side wall of the sealing pressure head is connected with an air duct, one end of the air duct extends into the sealing pressure head, and the other end of the air duct is connected with a vacuum pump; the outer side wall of the positioning carrier is sleeved with a fixing ring, the outer side wall of the fixing ring is provided with a mounting groove in a penetrating manner, the outer side wall of the positioning carrier is provided with a through hole communicated with the mounting groove, and the mounting groove and the through hole form a fixing groove together; a fixed rod is slidably arranged in the fixed groove, one end of the fixed rod is positioned in the fixed groove, and the other end of the fixed rod penetrates through the fixed groove and is hemispherical; the outer ring is in threaded connection with the outer side wall of the fixing ring, the outer ring is used for abutting against the hemispherical end of the fixing rod and driving the fixing rod to abut against a test product, and an elastic piece for preventing the fixing rod from being separated from the fixing groove is arranged in the fixing groove.

Through adopting above-mentioned technical scheme, when the gas tightness of product is detected to needs, the staff at first places the product of testing back in the location carrier, then rotates the outer loop and makes outer loop and dead lever be hemispherical tip and offset for the dead lever removes to test product direction, and makes the dead lever offset with the lateral wall of test product, thereby firmly fixes the test product. When the leak hunting work is carried out, the worker does not need to fix the test product by hand, thereby reducing the working strength of the worker.

The utility model discloses further set up to: the inner side wall of the fixed groove is provided with a positioning groove, the fixed rod is connected with a limiting block, and the limiting block is positioned in the positioning groove; the elastic component is a spring, one end of the spring is connected with the limiting block, and the other end of the spring is connected with the positioning groove.

Through adopting above-mentioned technical scheme, when rotating the outer loop, make the dead lever to test product direction and when offseting with the test product, the spring is compressed, when the reversal outer loop makes the outer loop break away from the dead lever, the dead lever resumes to initial position under the elastic force of spring to the effect of being convenient for reset has been reached.

The utility model discloses further set up to: the positioning device is characterized in that a sliding groove communicated with the fixing groove is formed in the inner side wall of the positioning carrier, a butting block is arranged in the sliding groove, one end of the butting block is connected with the fixing rod, the other end of the butting block is connected with a rubber pad, and the rubber pad can be abutted to a test product.

Through adopting above-mentioned technical scheme, the butt piece has increased the area of contact of dead lever with the test product to can firmly fix the test product. And the dead lever is at the gliding in-process, and the rubber pad is compressed, and the frictional force increase between and the test product can further firmly fix the test product. On the other hand, the direct contact of the abutting block and the test product can be avoided, and the test product can be prevented from being damaged.

The utility model discloses further set up to: the one end that the outer loop is close to the dead lever is provided with the groove of stepping down, the groove of stepping down extends to on the inside wall of outer loop.

Through adopting above-mentioned technical scheme, when rotating the outer loop, make outer loop and dead lever offset and drive fixed ring and test the product direction and slide, the groove of stepping down can reduce the outer loop and cause wearing and tearing to the screw thread when rotating the in-process and dead lever contact, and the position of on the other hand restriction outer loop prevents that the outer loop from breaking away from solid fixed ring at the pivoted in-process.

The utility model discloses further set up to: and a baffle is fixedly connected to one side of the outer ring away from the abdicating groove and positioned on the outer side wall of the fixing ring.

Through adopting above-mentioned technical scheme, the position of outer loop can be restricted to the baffle, prevents that the outer loop from breaking away from solid fixed ring at the pivoted in-process.

The utility model discloses further set up to: and a lug is arranged on the outer side wall of the outer ring.

By adopting the technical scheme, the lug is beneficial to screwing with the outer ring, and the effect of convenient operation is achieved.

The utility model discloses further set up to: the positioning carrier and the sealing pressure heads are provided with two corresponding positioning carriers and two corresponding sealing pressure heads which are respectively connected with the two driving pieces.

Through adopting above-mentioned technical scheme, two location carriers and sealed pressure head for can test two products simultaneously, thereby can improve work efficiency.

The utility model discloses further set up to: a support plate is vertically arranged on the rack, a connecting groove is vertically arranged on any side wall of the support plate along the width of the rack, a fixing plate is arranged in the connecting groove in a sliding mode along the vertical direction, and the fixing plate is detachably connected with the connecting groove; the air cylinder is fixedly connected to the fixing plate, and the output end of the air cylinder penetrates through the fixing plate to be connected with the sealing pressure head.

Through adopting above-mentioned technical scheme, because sealed pressure head is located the below of fixed plate, when the highly being greater than the distance between sealed pressure head and the location carrier of test product, can adjust the backup pad and come the distance between sealed pressure head and the location carrier in the position of spread groove, use an equipment just can test the product of co-altitude not, need not change equipment to reach the effect of convenient operation, on the other hand has practiced thrift manufacturing cost.

To sum up, the utility model discloses a beneficial technological effect does:

1. the working strength of workers is reduced by arranging the fixing grooves, the fixing rods and the outer ring;

2. through the arrangement of the abdicating groove and the baffle plate, the outer ring is prevented from being separated from the fixed ring in the rotating process;

3. through the setting of backup pad, spread groove, fixed plate, practiced thrift manufacturing cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a pen body piston leak detector according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a positioning carrier according to an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a frame; 11. a support plate; 12. connecting grooves; 13. a fixing plate; 14. a connecting plate; 15. a bolt; 16. a cylinder; 2. sealing the pressure head; 21. positioning a carrier; 22. an air duct; 23. a vacuum pump; 3. a fixing ring; 31. mounting grooves; 311. a through hole; 312. fixing grooves; 32. positioning a groove; 33. a sliding groove; 34. fixing the rod; 35. a butting block; 36. a rubber pad; 37. a limiting block; 38. a spring; 4. an outer ring; 41. a yielding groove; 42. a bump; 43. and a baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a pen body piston leak hunting machine, including frame 1, vertically on the frame 1 be provided with two backup pads 11 to one of them backup pad 11 is the example, and backup pad 11 runs through on the lateral wall along 1 width direction of frame and is provided with two spread grooves 12, and backup pad 11 slides along vertical direction and is provided with fixed plate 13, and fixed plate 13 is close to the one end of backup pad 11 and is connected with connecting plate 14, is connected with bolt 15 jointly in connecting plate 14 and the spread groove 12 for firmly fix dead lever 34 and backup pad 11.

Referring to fig. 1, two fixing plates 13 are connected to an air cylinder 16, for example, one of the air cylinders 16 is connected to an output end of the air cylinder 16, which penetrates through the fixing plate 13, to be connected to a sealing press head 2 and is used for driving the sealing press head 2 to move up and down, and a positioning carrier 21 corresponding to the sealing press head 2 is fixedly disposed on the frame 1. The outer side wall of the sealing pressure head 2 is connected with an air duct 22, one end of the air duct 22 extends into the sealing pressure head 2, and the other end of the air duct 22 is connected with a vacuum pump 23.

Referring to fig. 2 and 3, the cover is equipped with solid fixed ring 3 on the lateral wall of location carrier 21, solid fixed ring 3's lateral wall has three mounting groove 31 that runs through the setting along its circumference evenly distributed, and solid fixed ring 3 is by two parts about being evenly divided into along vertical direction, be provided with the through-hole 311 that is linked together with mounting groove 31 on the lateral wall of location carrier 21, mounting groove 31 is formed with fixed slot 312 with through-hole 311 jointly, be provided with constant head tank 32 on fixed slot 312's the inside wall, and constant head tank 32's aperture is greater than fixed slot 312's aperture, in this embodiment, constant head tank 32 and mounting groove 31 form jointly by solid fixed ring. The inner side wall of the positioning carrier 21 is provided with a sliding groove 33 communicated with the fixing groove 312, and the aperture of the sliding groove 33 is larger than that of the fixing groove 312.

Referring to fig. 2 and 3, a fixing rod 34 is commonly inserted into the fixing groove 312, the positioning groove 32 and the sliding groove 33, one end of the fixing rod 34 penetrates through the fixing groove 312 and is hemispherical, the other end of the fixing rod 34 is located in the sliding groove 33 and is connected with a butting block 35, and the butting block 35 is in an arc shape matched with a test product. One end of the abutting block 35, which is far away from the fixing rod 34, is connected with a rubber pad 36, and the rubber pad 36 is in an arc shape matched with a test product. The outer side wall of the fixing rod 34 is sleeved with a limiting block 37, and the limiting block 37 is annular and is located in the positioning groove 32. Be provided with the elastic component in the constant head tank 32, in this embodiment, the elastic component is spring 38, and the one end and the stopper 37 of spring 38 offset, and the other end and the diapire of constant head tank 32 of spring 38 offset. Firstly, the lower part of the fixing ring 3 is welded with the positioning carrier 21, then the limiting block 37 and the spring 38 are placed in the positioning groove 32, the fixing rod 34 connected with the abutting block 35 penetrates through the sliding groove 33 and the positioning groove 32 from the positioning carrier 21 and penetrates out of the fixing groove 312, then the fixing rod 34 and the limiting block 37 are welded together, finally, the upper part of the fixing ring 3 is attached to the lower part of the fixing ring 3, and then the fixing ring 3 is welded into a whole.

Referring to fig. 2, threaded connection has outer ring 4 on the lateral wall of solid fixed ring 3, and the one end that outer ring 4 is close to dead lever 34 is provided with the groove of stepping down 41, and the groove of stepping down 41 extends to on the inside wall of outer ring 4, and evenly is provided with a plurality of lugs 42 along its circumference on the lateral wall of outer ring 4, just is located one side fixedly connected with baffle 43 that the groove of stepping down 41 was kept away from to outer ring 4 on the lateral wall of solid fixed ring 3, and baffle 43 is cyclic annular.

The implementation principle of the embodiment is as follows:

when the gas tightness of product needs to be detected, the worker firstly places the test product in the positioning carrier 21, then rotates the outer ring 4 to make the outer ring 4 abut against the hemispherical end of the fixing rod 34, so that the fixing rod 34 moves towards the test product, and the fixing rod 34 is in the receding groove 41, at the moment, the rubber pad 36 abuts against the outer side wall of the test product, so that the test product is firmly fixed. When the leak hunting work is carried out, the worker does not need to fix the test product by hand, thereby reducing the working strength of the worker.

After the test product is fixed in the positioning carrier 21, the air cylinder 16 is started, and the driving shaft of the air cylinder 16 drives the sealing pressure head 2 to move downwards, so that the sealing pressure head 2 is in contact with the test product, and the test product is in a sealed state. The vacuum pump 23 evacuates the gas inside the test product through the gas guide tube 22, thereby detecting the leakage state of the product.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A pen body piston leak detector comprises a rack (1), wherein an air cylinder (16) is arranged on the rack (1) along the vertical direction, the output end of the air cylinder (16) is connected with a sealing pressure head (2) and is used for driving the sealing pressure head (2) to move up and down, and a positioning carrier (21) corresponding to the sealing pressure head (2) is arranged on the rack (1); the method is characterized in that: the outer side wall of the sealing pressure head (2) is connected with an air duct (22), one end of the air duct (22) extends into the sealing pressure head (2), and the other end of the air duct (22) is connected with a vacuum pump (23); the outer side wall of the positioning carrier (21) is sleeved with a fixing ring (3), the outer side wall of the fixing ring (3) is provided with a mounting groove (31) in a penetrating mode, the outer side wall of the positioning carrier (21) is provided with a through hole (311) communicated with the mounting groove (31), and the mounting groove (31) and the through hole (311) jointly form a fixing groove (312); a fixing rod (34) is slidably arranged in the fixing groove (312), one end of the fixing rod (34) is positioned in the fixing groove (312), and the other end of the fixing rod (34) penetrates through the fixing groove (312) and is hemispherical; the outer wall of the fixing ring (3) is connected with an outer ring (4) in a threaded mode, the outer ring (4) is used for abutting against the hemispherical end portion of the fixing rod (34) and driving the fixing rod (34) to abut against a test product, and an elastic piece for preventing the fixing rod (34) from being separated from the fixing groove (312) is arranged in the fixing groove (312).

2. The pen body piston leak detector as claimed in claim 1, wherein: the inner side wall of the fixing groove (312) is provided with a positioning groove (32), the fixing rod (34) is connected with a limiting block (37), and the limiting block (37) is positioned in the positioning groove (32); the elastic part is a spring (38), one end of the spring (38) is connected with the limiting block (37), and the other end of the spring (38) is connected with the positioning groove (32).

3. The pen body piston leak detector as claimed in claim 2, wherein: be provided with on the inside wall of location carrier (21) and slide groove (33) that are linked together with fixed slot (312), be provided with butt piece (35) in slide groove (33), the one end of butt piece (35) is connected with dead lever (34), the other end of butt piece (35) is connected with rubber pad (36), rubber pad (36) can offset with the test product.

4. The pen body piston leak detector as claimed in claim 1, wherein: one end of the outer ring (4) close to the fixing rod (34) is provided with a yielding groove (41), and the yielding groove (41) extends to the inner side wall of the outer ring (4).

5. The pen body piston leak detector as claimed in claim 4, wherein: and the outer side wall of the fixing ring (3) is positioned on one side, far away from the abdicating groove (41), of the outer ring (4), and is fixedly connected with a baffle (43).

6. The pen body piston leak detector as claimed in claim 4, wherein: the outer side wall of the outer ring (4) is provided with a convex block (42).

7. The pen body piston leak detector as claimed in claim 1, wherein: the positioning carrier (21) and the sealing pressure heads (2) are both provided with two, the positioning carrier (21) corresponds to the two sealing pressure heads (2) respectively, and the two sealing pressure heads (2) are connected with the two cylinders (16) respectively.

8. The pen body piston leak detector as claimed in claim 1, wherein: a support plate (11) is vertically arranged on the rack (1), a connecting groove (12) is vertically arranged on any side wall of the support plate (11) along the width of the rack (1), a fixing plate (13) is slidably arranged in the connecting groove (12) along the vertical direction, and the fixing plate (13) is detachably connected with the connecting groove (12); the air cylinder (16) is fixedly connected to the fixing plate (13), and the output end of the air cylinder (16) penetrates through the fixing plate (13) to be connected with the sealing pressure head (2).