CN217384579U - Fast-assembling anchor clamps are used in gas tightness test - Google Patents
Fast-assembling anchor clamps are used in gas tightness test Download PDFInfo
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- CN217384579U CN217384579U CN202221199406.3U CN202221199406U CN217384579U CN 217384579 U CN217384579 U CN 217384579U CN 202221199406 U CN202221199406 U CN 202221199406U CN 217384579 U CN217384579 U CN 217384579U
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- piston
- hole
- clamping jaw
- guide sleeve
- anchor clamps
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Abstract
The utility model discloses a fast-assembling anchor clamps are used in gas tightness test, including the anchor clamps main part, anchor clamps main part one end is equipped with air source interface, and the inside air source interface position of following of anchor clamps main part sets up the air supply passageway, the anchor clamps main part other end is equipped with the uide bushing, the inside piston that is equipped with of anchor clamps main part, be equipped with the clamping jaw between piston and the uide bushing, and the clamping jaw cooperatees with the uide bushing, piston central point puts and is equipped with through-hole one, clamping jaw central point puts and is equipped with through-hole two, air source passageway, through-hole one and through-hole two communicate in proper order. The utility model discloses a set up piston, clamping jaw and uide bushing inside the anchor clamps body and realize pneumatic clamping function, and piston, clamping jaw and the inside air supply passageway of anchor clamps body are linked together and realize the function of ventilating, and fast-assembling anchor clamps through new design can realize the quick-witted clamp tight like this, can ventilate to the valve inside again, carry out the gas tightness and detect, are showing and are improving work piece detection efficiency.
Description
Technical Field
The utility model relates to a fast-assembling anchor clamps technical field, concretely relates to fast-assembling anchor clamps are used in gas tightness test.
Background
The valve body air tightness test is an important detection index of the valve body, is a necessary flow after the valve body is processed and before the valve body is sold, and aims to ensure that the quality of the sold valve body is qualified; the valve core is one of valve bodies, and particularly belongs to a one-way valve, the valve core is generally composed of a valve body and a connecting pipe, and the connecting pipe is generally connected with the valve body in a welding mode; after welding, the air tightness of the welding seam is required to be detected, so that the phenomenon of air leakage is prevented; at present, no special clamp is arranged in the air tightness test process of the valve core, detection is carried out by detection personnel in a handheld mode, time and labor are wasted, and therefore the special clamp for the air tightness test of the valve core needs to be developed urgently to solve the defects.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a high structural design is reasonable, simple and convenient fast-assembling anchor clamps are used in test of detection efficiency.
The technical scheme of the utility model as follows:
the utility model provides a fast-assembling anchor clamps are used in gas tightness test, includes the anchor clamps main part, anchor clamps main part one end is equipped with air source interface, and the inside air source passageway that sets up from putting at air source interface of anchor clamps main part, the anchor clamps main part other end is equipped with the uide bushing, the inside piston that is equipped with of anchor clamps main part, be equipped with the clamping jaw between piston and the uide bushing, and the clamping jaw cooperatees with the uide bushing, piston central point puts and is equipped with through-hole one, clamping jaw central point puts and is equipped with through-hole two, air source passageway, through-hole one and through-hole two communicate in proper order to under high-pressure gas's effect, the drive piston promotes the clamping jaw and moves along the uide bushing, and then realizes the centre gripping and ventilating to the test workpiece.
Furthermore, a return spring is arranged between the clamping jaw and the guide sleeve, one end of the return spring is in limit fit with the guide sleeve, and the other end of the return spring is in limit fit with the clamping jaw.
Further, the inside piston mounting hole and the uide bushing mounting hole of being equipped with of anchor clamps main part, the piston mounting hole communicates with the uide bushing mounting hole, and the uide bushing mounting hole is greater than the piston mounting hole, the piston sets up in the piston mounting hole with the clamping jaw cooperation, the uide bushing cooperation sets up in the uide bushing mounting hole.
Furthermore, the piston is of a convex structure, the clamping jaw is of a reversed V-shaped structure, the clamping jaw is matched with the piston in an inserting mode, and the position of the through hole II corresponds to that of the through hole.
Furthermore, the center of the guide sleeve is provided with an inner taper hole, one end of each clamping jaw is provided with an outer conical surface, the center of each clamping jaw is provided with a deformation groove, and the guide sleeve and the clamping jaws are matched with each other through the inner taper hole and the outer conical surfaces to control the deformation of the deformation grooves and achieve the clamping function.
Furthermore, the aperture of the air source channel is larger than that of the first through hole in the center of the piston.
Furthermore, the first through hole in the center of the piston is a stepped hole, the aperture of the end close to the air source channel is smaller than the aperture of the end far away from the air source channel, and the aperture of the end far away from the air source channel on the piston is equal to the aperture of the second through hole in the center of the clamping jaw.
Furthermore, a first sealing ring is arranged on a groove in the outer wall of the piston; and a second sealing ring is arranged on an inner wall of the first through hole of the piston in a groove manner.
The utility model has the advantages as follows: the pneumatic clamping function is realized by arranging the piston, the clamping jaw and the guide sleeve in the clamp body, and the piston, the clamping jaw and the air source channel in the clamp body are communicated to realize the ventilation function, so that the quick clamping can be realized through the newly designed quick-assembly clamp, the air valve core can be ventilated, the air tightness detection is carried out, and the workpiece detection efficiency is obviously improved.
Drawings
FIG. 1 is a schematic view of the overall connection structure of the present invention;
fig. 2 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the structure of the valve core of the present invention;
in the figure: 1. a clamp body; 2. a first sealing ring; 3. a piston; 4. a clamping jaw; 5. a return spring; 6. a guide sleeve; 7. an air source channel; 8. a piston mounting hole; 9. a first through hole; 10. a second sealing ring; 11. a second through hole; 12. an air source interface; 13. a guide sleeve mounting hole; 14. a valve core.
Detailed Description
The invention is further described with reference to the accompanying drawings.
As shown in fig. 1-3, a quick-mounting fixture for an air-tightness test includes a fixture main body 1, a first seal ring 2, a piston 3, a clamping jaw 4, a return spring 5, a guide sleeve 6, a gas source channel 7, a piston mounting hole 8, a first through hole 9, a second seal ring 10, a second through hole 11, a gas source interface 12, and a guide sleeve mounting hole 13.
An air source interface 12 is arranged at one end of the clamp main body 1, an air source channel 7 is arranged in the clamp main body 1 from the position of the air source interface 12, and the clamp main body can be directly connected with an external air source connecting pipe through the air source interface 12.
The other end of the clamp body 1 is provided with a guide sleeve 6, a piston 3 is arranged inside the clamp body 1, a clamping jaw 4 is arranged between the piston 3 and the guide sleeve 6, the clamping jaw 4 is matched with the guide sleeve 6, a piston mounting hole 8 and a guide sleeve mounting hole 13 are arranged inside the clamp body 1, the piston mounting hole 8 is communicated with the guide sleeve mounting hole 13, the guide sleeve mounting hole 13 is larger than the piston mounting hole 8 (a limiting step is formed), the guide sleeve 6 is convenient to mount, the piston 3 is arranged in the piston mounting hole 8 in a matching mode with the clamping jaw 4, and the guide sleeve 6 is arranged in the guide sleeve mounting hole 13 in a matching mode.
The center of the piston 3 is provided with a first through hole 9, the center of the clamping jaw 4 is provided with a second through hole 11, and the air source channel 7, the first through hole 9 and the second through hole 11 are communicated in sequence. In this embodiment, the first through hole 9 in the center of the piston 3 is a stepped hole, the aperture of the end close to the air source channel 7 is smaller than the aperture of the end far away from the air source channel 7, and the aperture of the end far away from the air source channel 7 on the piston 3 is equal to the aperture of the second through hole 11 in the center of the clamping jaw.
Piston 3 is type structure, and clamping jaw 4 is type structure a little, just clamping jaw 4 and piston 3 grafting cooperation, and through-hole two 11 and through-hole one 9 position are corresponding. The plug-in fit structure of the piston 3 and the clamping jaw 4 can greatly reduce the occupied space of the clamp, so that the clamp structure is more compact.
The center of the guide sleeve 6 is provided with an inner taper hole, one end of the clamping jaw 4 is provided with an outer conical surface, the center of the clamping jaw 4 is provided with a deformation groove, the guide sleeve 6 is matched with the clamping jaw 4 through the inner taper hole and the outer conical surface, the deformation of the deformation groove is controlled, and the clamping function is achieved.
In order to guarantee the utility model discloses the smoothness nature that anchor clamps used is equipped with reset spring 5 between clamping jaw 4 and uide bushing 6, 5 one end of reset spring and the spacing cooperation of uide bushing 6, and the other end can automatic re-setting after the clamping jaw 4 of cutting off the gas like this, loosens the work piece with the spacing cooperation of clamping jaw 4.
In order to ensure the air tightness inside the clamp of the utility model, a first sealing ring 2 is arranged on the outer wall of the piston 3; and a second sealing ring 10 is arranged on the inner wall of the first through hole 9 of the piston 3.
The working principle is as follows:
firstly, inserting one end of a connecting pipe of a valve core 14 from a through hole II in the center of a clamping jaw, penetrating through the through hole II and then entering the through hole I until the connecting pipe reaches the step surface position of the through hole I, and installing in place;
then, the air pipe is connected with the air source interface 12, after ventilation, the piston 3 is driven to push the clamping jaw 4 to move along the guide sleeve 6 under the action of a part of high-pressure air, clamping of a test workpiece is realized through the clamping jaw 4, meanwhile, the other part of high-pressure air enters the air valve core 14 through the first through hole and the second through hole, so that the test product is filled with the high-pressure air, is immersed in water, and is observed whether bubbles overflow at a test part or not, and whether the air tightness of the product is good or not is judged;
after the test is finished, cutting off gas; the return spring pushes the jaw 4 to release it and take out the test product.
The utility model has compact and small integral structure and convenient use; when the pipeline and the special-shaped pipeline are tested, the special auxiliary clamp is not needed to be used.
Claims (8)
1. The fast-assembling clamp for the airtightness test is characterized by comprising a clamp body (1), wherein one end of the clamp body (1) is provided with an air source interface (12), an air source channel (7) is arranged inside the clamp body (1) from the air source interface (12), the other end of the clamp body (1) is provided with a guide sleeve (6), a piston (3) is arranged inside the clamp body (1), a clamping jaw (4) is arranged between the piston (3) and the guide sleeve (6), the clamping jaw (4) is matched with the guide sleeve (6), a through hole I (9) is arranged at the central position of the piston (3), a through hole II (11) is arranged at the central position of the clamping jaw (4), the air source channel (7), the through hole I (9) and the through hole II (11) are sequentially communicated, and under the action of high-pressure gas, the piston (3) is driven to push the clamping jaw (4) to move along the guide sleeve (6), thereby realizing the clamping and ventilation of the test workpiece.
2. The quick-assembling jig for the airtightness test according to claim 1, wherein a return spring (5) is disposed between the clamping jaw (4) and the guide sleeve (6), and one end of the return spring (5) is in limit fit with the guide sleeve (6) and the other end is in limit fit with the clamping jaw (4).
3. The quick-assembling jig for the airtightness test as claimed in claim 1, wherein a piston mounting hole (8) and a guide sleeve mounting hole (13) are provided in the jig main body (1), the piston mounting hole (8) is communicated with the guide sleeve mounting hole (13), the guide sleeve mounting hole (13) is larger than the piston mounting hole (8), the piston (3) and the clamping jaw (4) are cooperatively disposed in the piston mounting hole (8), and the guide sleeve (6) is cooperatively disposed in the guide sleeve mounting hole (13).
4. The quick-assembling jig for airtightness testing according to claim 1, wherein the piston (3) has a convex structure, the clamping jaws (4) have a zigzag structure, the clamping jaws (4) are inserted into and engaged with the piston (3), and the second through holes (11) correspond to the first through holes (9).
5. The quick-assembling jig for the airtightness test according to claim 1, wherein an inner tapered hole is formed in the center of the guide sleeve (6), an outer tapered surface is formed at one end of the clamping jaw (4), a deformation groove is formed in the center of the clamping jaw (4), and the deformation of the deformation groove is controlled by matching the inner tapered hole and the outer tapered surface between the guide sleeve (6) and the clamping jaw (4) to realize the clamping function.
6. The quick clamp for gas tightness tests according to claim 1, characterized in that the aperture of said gas source channel (7) is larger than the aperture of the first through hole (9) in the center of the piston (3).
7. The quick-assembling jig for the airtightness test according to claim 6, wherein the first through hole (9) in the center of the piston (3) is a stepped hole, the aperture of the end close to the air supply channel (7) is smaller than the aperture of the end far from the air supply channel (7), and the aperture of the end far from the air supply channel (7) on the piston (3) is equal to the aperture of the second through hole (11) in the center of the clamping jaw.
8. The quick-assembling jig for the airtightness test as claimed in claim 2, wherein a first seal ring (2) is provided in a groove formed in an outer wall of the piston (3); and a sealing ring II (10) is arranged on an inner wall of the through hole I (9) of the piston (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221199406.3U CN217384579U (en) | 2022-05-19 | 2022-05-19 | Fast-assembling anchor clamps are used in gas tightness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221199406.3U CN217384579U (en) | 2022-05-19 | 2022-05-19 | Fast-assembling anchor clamps are used in gas tightness test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384579U true CN217384579U (en) | 2022-09-06 |
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ID=83087519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221199406.3U Active CN217384579U (en) | 2022-05-19 | 2022-05-19 | Fast-assembling anchor clamps are used in gas tightness test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217384579U (en) |
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2022
- 2022-05-19 CN CN202221199406.3U patent/CN217384579U/en active Active
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