Vibration-proof vacuum clamp
By designing the special thread structure on screw A and screw B in the vacuum clamp, combining the spring and pressure plate, the problem of the screw sleeve loosening in the high vibration environment is solved, and a tighter connection is achieved.
Patent Information
- Application Number
- CN202421813641.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing vacuum clamps can easily cause the screw sleeve to loosen and not tightly connected in high vibration environments.
A vacuum clamp that is anti-vibration is designed, using the threads on screw A and screw B as orthodontic and reverse teeth, combining the structure of spring and pressure plate to prevent the screw sleeve from loosening due to vibration.
It effectively prevents the screw sleeve from loosening due to vibration, ensures that the vacuum clamps are connected tightly, and solves the problem that the existing vacuum clamps are not tightly connected in the vibration environment.
Smart Images
Figure CN222911033U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a vibration-proof vacuum clamp. Background Art
[0002] A vacuum clamp, also known as a clamping-type vacuum quick-release flange, is a convenient fastener for quickly connecting vacuum pipes. Vacuum clamps are divided into two types according to the material: stainless steel and aluminum alloy. Vacuum clamps are usually used in combination with vacuum connectors and can also be used in cooperation with vacuum valves.
[0003] Existing vacuum clamps usually use a screw sleeve for locking. However, when a vacuum clamp is in a high-vibration working environment, existing vacuum clamps usually do not have a vibration-proof function. When the vacuum clamp is vibrated for a long time, it is easy to cause the problem of loosening of the screw sleeve, resulting in the problem of loose connection of the vacuum clamp. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a vibration-proof vacuum clamp to solve the problems mentioned in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A vibration-proof vacuum clamp includes clamp A, clamp B rotatably arranged on the right side of clamp A, a sealing gasket, chuck A and chuck B respectively located on the front and back sides of the sealing gasket, and screw A. Slots A and B are respectively opened on the top walls of clamp A and clamp B. One end of screw A is located inside slot A and is rotatably connected to clamp A. It is characterized in that: an anti-vibration component is arranged on screw A. The anti-vibration component includes a screw sleeve A threadedly connected to screw A, a spring A and a pressure plate A sleeved on screw A, a screw B fixedly arranged on the right side of screw A, a screw sleeve B threadedly connected to screw B, a spring B and a pressure plate B sleeved on screw B. Spring A and pressure plate A are both located on the left side of screw sleeve A. The left and right ends of spring A are respectively fixedly connected to pressure plate A and screw sleeve A. Spring B and pressure plate B are both located on the left side of screw sleeve B. The left and right ends of spring B are respectively fixedly connected to pressure plate B and screw sleeve B. The thread on screw A is a right-hand thread, and the thread on screw B is a left-hand thread.
[0006] Preferably, an anti-disengagement component is arranged on clamp B. The anti-disengagement component includes a fixed block fixedly arranged above clamp B and located behind slot B, an iron plate rotatably arranged on the fixed block, and a magnetic plate fixedly arranged on the top wall of clamp B and located in front of slot B.
[0007] Preferably, sealing rings are fixedly arranged on both the front and back sides of the sealing gasket. Sealing grooves matching the sealing rings are respectively opened on the side walls of chuck A and chuck B facing the sealing gasket. The sealing rings are located inside the sealing grooves and are in contact connection with chuck A and chuck B.
[0008] Preferably, the anti-loosening component further includes a magnetic post fixedly arranged at the rear side of the clamp B, and the top wall of the magnetic post is flush with the top wall of the clamp B.
[0009] Preferably, the sealing gasket and the sealing ring are both made of fluororubber.
[0010] Preferably, the diameter of the screw A is larger than that of the screw B.
[0011] Preferably, torsion plates are fixedly arranged on both the screw sleeve A and the screw sleeve B.
[0012] The beneficial effects of the present utility model are as follows: When the present utility model is in use, first fixedly connect the chuck A and the chuck B to the external connection end A and the external connection end B respectively, then place the sealing gasket between the chuck A and the chuck B, and make the sealing ring located inside the sealing groove and in contact connection with the chuck A and the chuck B, which plays a sealing role; sleeve the clamp A and the clamp B on the chuck A and the chuck B, rotate the screw A to make it located inside the slot A and the slot B, tighten the screw sleeve A to make the screw sleeve A squeeze the spring A, the spring A squeezes the pressure plate A, and the pressure plate A squeezes the clamp B, so that the clamp A and the clamp B are fixedly connected to the chuck A and the chuck B, and the sealing gasket and the sealing ring are fixedly arranged between the chuck A and the chuck B; since the left and right ends of the spring A are respectively fixedly connected to the pressure plate A and the screw sleeve A, after the screw sleeve A is tightened, the spring A will give the screw sleeve A an elastic force, making the thread of the screw sleeve A abut against the thread of the screw A, which plays a role in preventing the screw sleeve A from loosening due to vibration. The diameter of the pressure plate A is larger than that of the spring A, which plays a role in increasing the force-bearing surface when the pressure plate A squeezes the clamp B; tighten the screw sleeve B to make the screw sleeve B squeeze the spring B, the spring B squeezes the pressure plate B, and the pressure plate B squeezes the screw sleeve A. Since the thread on the screw A is a right-hand thread and the thread on the screw B is a left-hand thread, when the screw sleeve A rotates due to vibration, the pressure plate B will block the screw sleeve A, which plays a further role in preventing the screw sleeve A from loosening due to vibration; in summary, the present utility model has the beneficial effect of preventing the screw sleeve A from loosening due to vibration, solves the problem that the existing vacuum clamp usually does not have an anti-vibration function, and the vacuum clamp is easily loosened due to long-term vibration, resulting in the problem of loose connection of the vacuum clamp. Description of the Drawings
[0013] Attached Figure 1 is a structural schematic diagram of the present utility model;
[0014] Attached Figure 2 is a rear structural schematic diagram of the present utility model;
[0015] Attached Figure 3 is a front view of the present utility model;
[0016] Attached Figure 4 is the sectional view at A-A in the attached Figure 3 as shown in
[0017] In the figure: clamp A1, clamp B2, gasket 3, chuck A4, chuck B5, screw A6, slot A7, slot B8, screw sleeve A9, spring A10, pressure plate A11, screw B12, screw sleeve B13, spring B14, pressure plate B15, fixing block 16, iron plate 17, magnetic plate 18, sealing ring 19, sealing groove 20, magnetic column 21, torsion plate 22. Specific implementation manner
[0018] The purpose of the present utility model is to provide an anti-vibration vacuum clamp to solve the problems raised in the above background technology.
[0019] To achieve the above object, the present utility model provides the following technical solution: An anti-vibration vacuum clamp, comprising a clamp A1, a clamp B2 rotatably provided on the right side of the clamp A1, a sealing gasket 3, a chuck A4 and a chuck B5 respectively located on the front and rear sides of the sealing gasket 3, and a screw A6. Slots A7 and slots B8 are respectively formed on the top walls of the clamp A1 and the clamp B2. One end of the screw A6 is located inside the slot A7 and is rotatably connected to the clamp A1. An anti-vibration component is provided on the screw A6. The anti-vibration component includes a sleeve A9 threadedly connected to the screw A6, a spring A10 and a pressure plate A11 sleeved on the screw A6, a screw B12 fixedly provided on the right side of the screw A6, a sleeve B13 threadedly connected to the screw B12, a spring B14 and a pressure plate B15 sleeved on the screw B12. The spring A10 and the pressure plate A11 are both located on the left side of the sleeve A9. The left and right ends of the spring A10 are respectively fixedly connected to the pressure plate A11 and the sleeve A9. The spring B14 and the pressure plate B15 are both located on the left side of the sleeve B13. The left and right ends of the spring B14 are respectively fixedly connected to the pressure plate B15 and the sleeve B13. The thread on the screw A6 is a right-hand thread, and the thread on the screw B12 is a left-hand thread. When the present utility model is used, first fixedly connect the chuck A4 and the chuck B5 to the external connection end A and the external connection end B respectively, then place the sealing gasket 3 between the chuck A4 and the chuck B5, and make the sealing ring 19 located inside the sealing groove 20 and in contact connection with the chuck A4 and the chuck B5, which plays a sealing role; sleeved the clamp A1 and the clamp B2 on the chuck A4 and the chuck B5, rotate the screw A6 to make it located inside the slot A7 and the slot B8, tighten the sleeve A9 to make the sleeve A9 squeeze the spring A10, the spring A10 squeezes the pressure plate A11, and the pressure plate A11 squeezes the clamp B2, so that the clamp A1 and the clamp B2 are fixedly connected to the chuck A4 and the chuck B5, and the sealing gasket 3 and the sealing ring 19 are fixedly arranged between the chuck A4 and the chuck B5; since the left and right ends of the spring A10 are respectively fixedly connected to the pressure plate A11 and the sleeve A9, after the sleeve A9 is tightened, the spring A10 will give a elastic force to the sleeve A9, so that the thread of the sleeve A9 is in tight contact with the thread of the screw A6, which plays a role in preventing the sleeve A9 from loosening due to vibration. The diameter of the pressure plate A11 is larger than the diameter of the spring A10. When the pressure plate A11 squeezes the clamp B2, it plays a role in increasing the force-bearing surface; tighten the sleeve B13 to make the sleeve B13 squeeze the spring B14, the spring B14 squeezes the pressure plate B15, and the pressure plate B15 squeezes the sleeve A9. Since the thread on the screw A6 is a right-hand thread and the thread on the screw B12 is a left-hand thread, when the sleeve A9 rotates due to vibration, the pressure plate B15 will block the sleeve A9, which plays a role in further preventing the sleeve A9 from loosening due to vibration; in summary, the present utility model has the beneficial effect of preventing the sleeve A9 from loosening due to vibration, solves the problem that the existing vacuum clamp usually does not have an anti-vibration function, and the vacuum clamp is easily loosened due to long-term vibration, resulting in the problem that the connection of the vacuum clamp is not tight.
[0020] Preferably, an anti - detachment component is provided on the clamp B2. The anti - detachment component includes a fixed block 16 fixedly arranged above the clamp B2 and behind the slot B8, an iron plate 17 rotatably arranged on the fixed block 16, and a magnetic plate 18 fixedly arranged on the top wall of the clamp B2 and in front of the slot B8. Since the iron plate 17 is rotatably arranged on the fixed block 16 and the magnetic plate 18 is fixedly arranged on the top wall of the clamp B2, when the screw A6 is inside the slot B8, rotating the iron plate 17 makes the iron plate 17 magnetically connected to the magnetic plate 18, and the iron plate 17 is located above the screw A6, which plays a role in preventing the screw A6 from detaching from the inside of the slot B8.
[0021] Preferably, sealing rings 19 are fixedly arranged on both the front and rear sides of the gasket 3. Sealing grooves 20 matching the sealing rings 19 are formed on the side walls of the chuck A4 and the chuck B5 facing the gasket 3. The sealing rings 19 are located inside the sealing grooves 20 and are in contact connection with the chuck A4 and the chuck B5. Since the sealing rings 19 are located inside the sealing grooves 20 and are in contact connection with the chuck A4 and the chuck B5, a sealing effect is achieved.
[0022] Preferably, the anti - detachment component further includes a magnetic column 21 fixedly arranged at the rear of the clamp B2, and the top wall of the magnetic column 21 is flush with the top wall of the clamp B2. Since the top wall of the magnetic column 21 is flush with the top wall of the clamp B2, when the screw A6 is to be rotated out of the inside of the slot B8, rotating the iron plate 17 makes the iron plate 17 magnetically connected to the magnetic column 21, which plays a role in facilitating the rotation of the screw A6 out.
[0023] Preferably, the gasket 3 and the sealing rings 19 are both made of fluororubber. Since the gasket 3 and the sealing rings 19 are both made of fluororubber, they have the characteristics of strong sealing and wear resistance.
[0024] Preferably, the diameter of the screw A6 is larger than the diameter of the screw B12. Since the diameter of the screw A6 is larger than the diameter of the screw B12, it plays a role in facilitating the removal of the sleeve A9.
[0025] Preferably, torsion plates 22 are fixedly arranged on both the sleeve A9 and the sleeve B13. Since the torsion plates 22 are fixedly arranged on both the sleeve A9 and the sleeve B13, it plays a role in facilitating the rotation of the sleeve A9 and the sleeve B13.
[0026] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims
1. An anti-vibration vacuum clamp, comprising a clamp A (1), a clamp B (2) rotatably arranged on the right side of the clamp A (1), a sealing gasket (3), a chuck A (4) and a chuck B (5) respectively located on the front and rear sides of the sealing gasket (3), and a screw A (6), wherein the top walls of the clamp A (1) and the clamp B (2) are respectively provided with a slot A (7) and a slot B (8), and one end of the screw A (6) is located inside the slot A (7) and is rotatably connected to the clamp A (1), characterized in that: The screw rod A (6) is provided with an anti-vibration assembly, the anti-vibration assembly comprising a screw sleeve A (9) threadedly connected to the screw rod A (6), a spring A (10) and a pressure plate A (11) sleeved on the screw rod A (6), a screw rod B (12) fixedly arranged on the right side of the screw rod A (6), a screw sleeve B (13) threadedly connected to the screw rod B (12), a spring B (14) and a pressure plate B (15) sleeved on the screw rod B (12), the spring A (10) and the pressure plate The disc A (11) is located on the left side of the screw sleeve A (9), and the left and right ends of the spring A (10) are fixedly connected to the pressure plate A (11) and the screw sleeve A (9) respectively. The spring B (14) and the pressure plate B (15) are located on the left side of the screw sleeve B (13), and the left and right ends of the spring B (14) are fixedly connected to the pressure plate B (15) and the screw sleeve B (13) respectively. The thread on the screw rod A (6) is a positive thread, and the thread on the screw rod B (12) is a negative thread.
2. The anti-vibration vacuum clamp according to claim 1, characterized in that: The clamp B (2) is provided with an anti-slip assembly, which comprises a fixing block (16) fixedly arranged above the clamp B (2) and located at the rear side of the slot B (8), an iron plate (17) rotatably arranged on the fixing block (16), and a magnetic plate (18) fixedly arranged on the top wall of the clamp B (2) and located at the front side of the slot B (8).
3. The anti-vibration vacuum clamp according to claim 1, characterized in that: The sealing gasket (3) is fixedly provided with sealing rings (19) on both the front and rear sides. The chuck A (4) and the chuck B (5) are provided with sealing grooves (20) matching the sealing rings (19) on the side walls facing the sealing gasket (3). The sealing rings (19) are located inside the sealing grooves (20) and are in contact with the chuck A (4) and the chuck B (5).
4. The anti-vibration vacuum clamp according to claim 2, characterized in that: The anti-drop assembly further comprises a magnetic column (21) fixedly arranged on the rear side of the clamp B (2), the top wall of the magnetic column (21) being flush with the top wall of the clamp B (2).
5. The anti-vibration vacuum clamp according to claim 3, characterized in that: The sealing pad (3) and the sealing ring (19) are both made of fluororubber.
6. The anti-vibration vacuum clamp according to claim 1, characterized in that: The diameter of the screw A (6) is greater than the diameter of the screw B (12).
7. The anti-vibration vacuum clamp according to claim 1, characterized in that: The screw sleeve A (9) and the screw sleeve B (13) are both fixedly provided with a torsion plate (22).