CN114562617A - Anti-vibration vacuum clamp - Google Patents

Anti-vibration vacuum clamp Download PDF

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Publication number
CN114562617A
CN114562617A CN202210110625.8A CN202210110625A CN114562617A CN 114562617 A CN114562617 A CN 114562617A CN 202210110625 A CN202210110625 A CN 202210110625A CN 114562617 A CN114562617 A CN 114562617A
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CN
China
Prior art keywords
snap ring
locking
ring
threaded rod
vibration
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CN202210110625.8A
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CN114562617B (en
Inventor
邵佳
李欢
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Jingjiang Jiajia Precision Machinery Technology Co ltd
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Jingjiang Jiajia Precision Machinery Technology Co ltd
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Publication of CN114562617A publication Critical patent/CN114562617A/en
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Publication of CN114562617B publication Critical patent/CN114562617B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/06Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
    • F16L21/065Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention provides an anti-vibration vacuum hoop which comprises a first clamping ring (1) and a second clamping ring (2), articulated piece (6), first snap ring (1) and second snap ring (2) are connected through articulated piece (6), the vacuum clamp still includes threaded rod (3) of being connected with first snap ring (1), establish lock sleeve (4) on threaded rod (3) at the cover, locking groove (201) have been seted up on the outer peripheral face of keeping away from articulated piece (6) of second snap ring (2), be equipped with opening (202) on the terminal surface of keeping away from articulated piece (6) of second snap ring (2), locking groove (201) and opening (202) intercommunication, threaded rod (3) are worn to establish in locking groove (201) through opening (202), the outer peripheral face of lock sleeve (4) evenly is equipped with draw-in groove (401) that a plurality of axial was arranged, be equipped with on second snap ring (2) with draw-in groove (401) complex retainer (5). The invention has good vibration and loosening prevention effect, impact resistance and long service life.

Description

Anti-vibration vacuum clamp
Technical Field
The invention relates to the field of fasteners, in particular to an anti-vibration vacuum hoop.
Background
The vacuum hoop is also named as a clamping type vacuum quick-release flange, is a convenient and fast firm part for quickly connecting a vacuum pipeline, and is divided into two types, namely stainless steel and aluminum alloy according to the material. The vacuum clamp is used in combination with the vacuum joint, the central support and the vacuum blind plate, and can also be used in combination with a vacuum valve, a vacuum tee joint, a vacuum elbow, a vacuum four-way joint, a vacuum corrugated pipe, a vacuum adapter and a vacuum cavity. The method is widely applied to high and new technology industries such as semiconductor manufacturing, national defense scientific research, aerospace, bio-pharmaceuticals, liquid crystal, photovoltaic solar energy and the like.
The vacuum clamp can not lock the junction of pipeline well, the performance of pipeline is related to, if locking effect is poor, then can destroy vacuum environment, harmful substance in the vacuum pipeline also takes place to reveal easily, wherein the leading problem is, vacuum pipeline's operational environment is abominable, a lot of vacuum pipeline are in the operational environment of high vibration, can receive very big impact force, traditional vacuum clamp receives the vibration easily and becomes flexible, and some enterprises have proposed a technical scheme, through set up the spring on the screw rod, and tighten the nut and come compression spring, prevent with the elasticity of spring that the nut is not flexible, but this kind of scheme is only applicable to the operational environment that the impact force is little, the spring is easy to break or loses elasticity easily, the anti-vibration effect is not good. Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an anti-vibration vacuum hoop which has the advantages of excellent locking effect, vibration prevention, good impact resistance, high strength, high safety coefficient and long service life.
In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: the utility model provides an anti-vibration vacuum clamp, includes first snap ring, second snap ring, articulated piece, first snap ring and second snap ring are connected through articulated piece, the vacuum clamp still includes threaded rod, the cover of being connected with first snap ring and establishes the lock sleeve on the threaded rod, the locking groove has been seted up on the outer peripheral face of keeping away from articulated piece of second snap ring, be equipped with the opening on the terminal surface of keeping away from articulated piece of second snap ring, locking groove and opening intercommunication, the threaded rod wears to establish in the locking inslot through the opening, the outer peripheral face of lock sleeve evenly is equipped with the draw-in groove of a plurality of axial arrangement, be equipped with on the second snap ring with draw-in groove complex retainer.
As a preferred technical scheme: the retainer is a spherical collision bead, and the bottom surface of the clamping groove is matched with the structure of the collision bead.
As a preferred technical scheme: the stop piece is a stop column, one end of the stop column is hemispherical, and the bottom surface of the clamping groove is matched with a hemispherical structure.
As a preferred technical scheme: the opening part is provided with a limiting step, the structure of the limiting step is matched with the structure of one end of the locking sleeve, and one end of the locking sleeve is abutted against the limiting step.
As a preferred technical scheme: and a locking gasket is arranged between the locking sleeve and the limiting step, and the threaded rod is sleeved with the locking gasket.
As a preferred technical scheme: the one end of lock sleeve towards spacing step is the toper.
As a preferred technical scheme: be equipped with the connecting block on the threaded rod, the threaded rod passes through the connecting block and is connected with first snap ring rotation, the cover is equipped with balanced gasket on the connecting block, a surface of balanced gasket offsets with the terminal surface of first snap ring, another surface of balanced gasket offsets with the terminal surface of second snap ring.
As a preferred technical scheme: and an L-shaped clearance is arranged on the peripheral surface of the second snap ring and is arranged in a short distance of the locking groove.
As a preferable technical scheme: arc grooves are formed in the inner peripheral surface of the first clamping ring and the inner peripheral surface of the second clamping ring, and a crescent arc is arranged on the groove wall of the arc groove at the joint of the first clamping ring and the second clamping ring.
As a preferable technical scheme: the first clamping ring and the second clamping ring are of eccentric structures.
The beneficial effects of the invention are: the utility model provides an anti-vibration vacuum clamp, compares with traditional scheme:
1) the locking sleeve is limited through the locking groove and is in threaded connection with the threaded rod, the first clamping ring and the second clamping ring are locked by screwing the threaded sleeve, meanwhile, the clamping groove is formed in the locking sleeve, the stop piece enters the clamping groove, vibration can be counteracted, meanwhile, the locking sleeve is prevented from being loosened due to vibration or shaking, the locking effect is greatly improved, the strength is high, the impact resistance is good, and the service life is prolonged;
2) preferably, the retainer is a spherical collision bead or a hemispherical stop column, and the bottom surface of the clamping groove is matched with the retainer in structure, so that the retainer extends into the clamping groove to achieve good limiting and anti-loosening effects, and meanwhile, when the locking sleeve is rotated, the rotation is more convenient and smooth;
3) preferably, the locking sleeve abuts against the limiting step to lock the first clamping ring and the second clamping ring, and further preferably, a locking gasket is arranged between the locking sleeve and the limiting step to reduce pressure, so that the structure is compact, the locking sleeve is not easy to loosen, the locking effect is further improved, the impact resistance is better, and the service life is prolonged;
4) Preferably, one end of the locking sleeve is conical, the conical locking sleeve forms a closed opening to tightly press the locking gasket, so that a better locking effect is achieved;
5) preferably, when the first clamping ring and the second clamping ring are locked, the balance gasket can reduce the pressure between the first clamping ring and the second clamping ring, the surface base is stably sealed, and the balance of stress is adjusted under the free gravity state, so that the seating surfaces of the first clamping ring and the second clamping ring are stable, and the first clamping ring and the second clamping ring still have good stability even if the vacuum pipeline vibrates;
6) preferably, the L-shaped clearance prevents interference when the locking sleeve is rotated forwards or reversely;
7) preferably, the crescent arc has the function of flexible contraction, so that the vacuum pipeline is locked better;
8) preferably, first snap ring and second snap ring through screwing up the lock sleeve, and first snap ring and second snap ring tighten up to locking vacuum pipe, eccentric design makes the cooperation inseparabler, locks vacuum pipe better, during the vibration, prevents that the vacuum clamp from droing.
Drawings
FIG. 1 is a three-dimensional view of the present invention;
FIG. 2 is a front view of embodiment 1;
FIG. 3 is a front view of embodiment 2;
FIG. 4 is a right side view of the first snap ring;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a top view of the first snap ring;
FIG. 7 is a left side view of the second snap ring;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
FIG. 9 is a top view of the second snap ring;
in fig. 1-9, 1, a first snap ring; 101. a first arc-shaped slot; 102. a rotating groove; 2. a second snap ring; 201. a locking groove; 202. an opening; 203. l-shaped space avoidance; 204. a second arc-shaped slot; 205. a limiting step; 2051. a bottom step; 2052. an upper step; 3. a threaded rod; 301. connecting blocks; 4. a locking sleeve; 401. a card slot; 5. a stopper; 6. a hinged block; 7. a locking washer; 8. a balance pad; 9. a rotating shaft; 10. a crescent arc; 11. a self-tapping screw; 12. and locking the nut.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "top", "bottom", "left", "right", "front", "back", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description of the present invention, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-9, the present inventors propose the following technical solutions: an anti-vibration vacuum clamp comprises a first clamp ring 1 and a second clamp ring 2, wherein the first clamp ring 1 and the second clamp ring 2 are connected through a hinge device, the vacuum clamp further comprises a threaded rod 3 connected with the first clamp ring 1 and a locking sleeve 4 sleeved on the threaded rod 3, a locking groove 201 is formed in the outer peripheral surface, far away from a hinge block 6, of the second clamp ring 2, an opening 202 is formed in the end surface, far away from the hinge block 6, of the second clamp ring 2, the locking groove 201 is communicated with the opening 202, the threaded rod 3 penetrates through the locking groove 201 through the opening 202, a plurality of axially-arranged clamping grooves 401 are uniformly formed in the outer peripheral surface of the locking sleeve 4, and a retainer 5 matched with the clamping grooves 401 is arranged on the second clamp ring 2; threaded rod 3 establishes in locking groove 201, lock sleeve 4 and 3 threaded connection of threaded rod, and locking groove 201 is spacing to lock sleeve 4, screws up lock sleeve 4, locks first snap ring 1 and second snap ring 2, and this is that retainer 5 stretches into draw-in groove 401, and is spacing to draw-in groove 401, and lock sleeve 4 just can not become flexible because of the vibration like this to the locking performance offsets the vibration, and impact resistance is good, and locking effect is good, and anti-vibration is effectual, and intensity is high, and life is longer.
As shown in fig. 1 to 9, in some embodiments, an end of the locking sleeve 4 facing away from the second snap ring 2 is provided with a locking nut 12, and in particular, the locking nut 12 and the locking sleeve 4 are of an integral structure.
Referring to fig. 1-9, in some embodiments, the vacuum clamp of the present invention is manufactured by precision machining stainless steel, and the distance between two adjacent slots 401 is less than 0.5mm, so that the rotation of the locking sleeve 4 is smoother, and even if the rotation angle is small, the stop member 5 can enter the slot 401, thereby ensuring that the stop member 5 can easily enter the slot 401 during the rotation of the locking sleeve 4.
As shown in fig. 1 to 9, in some embodiments, the stop member 5 is a spherical collision bead, the bottom surface of the slot 401 matches with the structure of the collision bead, and the spherical surface of the collision bead matches with the bottom surface of the slot 401, so that not only a good anti-loosening effect is achieved, but also the locking sleeve 4 can be rotated more smoothly, the friction force during rotation is reduced, the abrasion is reduced, and the service life is prolonged.
As shown in fig. 1 to 9, in some embodiments, the stopper 5 is a stopper column, one end of the stopper column is a hemisphere, the bottom surface of the clamping groove 401 is matched with the hemisphere, and no matter the stopper column or the stopper bead is provided, as long as the end of the stopper 5 facing the locking sleeve 4 is a spherical surface, it is ensured that the stopper column has a good anti-loosening effect, and meanwhile, when rotating, the stopper column does not have too much resistance, has small friction force, and rotates more smoothly, and in actual production, the end of the stopper 5 facing the locking sleeve 4 is polished smoothly and polished.
As shown in fig. 1 to 9, in some embodiments, the stop piece 5 is embedded at one end of the tapping screw 11, the tapping screw 11 is arranged in the second snap ring 2 by means of interference fit or the like, the stop piece 5 is fixed on the bottom surface of the locking groove 201 through the tapping screw 11, the tapping screw 11 is connected with the second snap ring 2 through a bolt, the bolt radially penetrates through the tapping screw and penetrates through one surface of the first snap ring 2, and the axis of the stop piece 5 is perpendicular to the axis of the locking sleeve 4, so that a better anti-loosening effect can be achieved.
As shown in fig. 1 to 9, in some embodiments, the opening 202 is provided with a limiting step 205, the structure of the limiting step 205 is matched with the structure of one end of the locking sleeve 4, one end of the locking sleeve 4 abuts against the limiting step 205, the limiting step 205 limits the locking sleeve 4 to prevent the locking sleeve 4 from rotating out of the locking groove 201 around the first snap ring 1, one end of the locking sleeve 4 abuts against the limiting step 205, so that the first snap ring 1 and the second snap ring 2 form a better locking effect on the vacuum pipe, the anti-vibration effect is better, the vacuum clamp is not easy to fall off, specifically, the locking groove 201 penetrates through the outer circumferential surface of the second snap ring 2, the bottom surface of the locking groove 201 is arc-shaped, the opening is U-shaped, the limiting step 205 comprises a bottom step 2051 and an upper step 2052, the bottom step 2051 is U-shaped, the upper step 2052 is arranged on the bottom step 2051, the upper step 2052 is matched with the structure of one end of the locking sleeve 4, the upper step 2052 prevents the locking sleeve 4 from rotating out of the locking sleeve 4 around the first snap ring 1, the bottom step 2051 providing an axial pressing force.
As shown in fig. 1 to 9, in some embodiments, a locking washer 7 is disposed between the locking sleeve 4 and the limiting step 205, the locking washer 7 is sleeved on the threaded rod 3, after the locking sleeve 4 is screwed, the locking sleeve 4 and the threaded rod 3 both bear a large load, and the locking washer 7 can reduce pressing force and increase friction force, and forms an easily-tightened and anti-loose structure in cooperation with the retainer 5, so that not only are the loads of the locking sleeve 4 and the threaded rod 3 reduced, but also the locking effect is improved, and particularly, the locking washer 7 is a double-folded self-locking washer, so that the locking effect is better.
As shown in fig. 1 to 9, in some embodiments, one end of the locking sleeve 4 facing the limiting step 205 is tapered, and one end of the locking sleeve 4 is tapered to form a closed end, so that after the locking sleeve 4 is screwed down, the locking sleeve 4 and the limiting step 205 form a tapered fit, thereby achieving a better limiting effect, and the locking sleeve 4 is less prone to loosening.
As shown in fig. 1 to 9, in some embodiments, a connecting block 301 is disposed on the threaded rod 3, the threaded rod 3 is rotatably connected to a first snap ring 1 through the connecting block 301, a rotating groove 102 is disposed on the first snap ring 1, the connecting block 301 is disposed in the rotating groove 102, a rotating shaft 9 is disposed on the connecting block 301, the rotating shaft 9 is rotatably disposed on the first snap ring 1, the connecting block 301 is fixedly connected to the rotating shaft 9, a balance gasket 8 is sleeved on the connecting block 301, one surface of the balance gasket 8 abuts against an end surface of the first snap ring 1, the other surface of the balance gasket 8 abuts against an end surface of a second snap ring 2, if the balance gasket 8 is not disposed between the first snap ring 1 and the second snap ring 2, the first snap ring 1 and the second snap ring 2 have poor stability, and easily deviate during vibration, the locking effect is poor, and the locking force is large, first snap ring 1 and the easy production impressed watermark of 2 direct contact of second snap ring, can produce the crackle when serious, even the fracture, consequently, balanced gasket 8 can steadily closely face the base, the equilibrium of regulating the atress under the free gravity state, make the seating surface of first snap ring 1 and second snap ring 2 steady, even vacuum pipe vibrates like this, first snap ring 1 and second snap ring 2 still have fine stationarity, and balanced gasket 8 can also balance the pressure of first snap ring 1 and second snap ring 2, prevent that first snap ring 1 and second snap ring 2 from producing the crackle because the atress is too big.
As shown in fig. 1 to 9, in some embodiments, the second snap ring 2 is provided with an L-shaped clearance 203, and the L-shaped clearance 203 is arranged at a short distance from the locking groove 201, so that when the locking sleeve 4 is rotated, no interference is caused to the second snap ring 2 whether the locking sleeve is rotated in the forward direction or in the reverse direction.
As shown in fig. 1 to 9, in some embodiments, a first arc-shaped groove 101 is formed in an inner circumferential surface of the first snap ring 1, a second arc-shaped groove 204 is formed in an inner circumferential surface of the second snap ring 2, crescent arcs 10 are formed on inner groove walls at two ends of the first arc-shaped groove 101, and crescent arcs 10 are formed on inner groove walls at two ends of the second arc-shaped groove 204, so that a flexible tightening effect is achieved, the vacuum clamp is prevented from falling off during vibration, and tightening is firmer.
As shown in fig. 1 to 9, in some embodiments, the first clamping ring 1 and the second clamping ring 2 are eccentric structures, and after the locking sleeve 4 is screwed down, the vacuum pipe is hooped by the eccentric structures, so that the vacuum pipe cannot slide or rotate on the vacuum pipe, the locking effect on the vacuum pipe is better, and the anti-vibration effect is good.
Referring to fig. 1-9, in some embodiments, the first and second snap rings 1 and 2 are made of seamless stainless steel tubing and are precision machined, and the following two methods are currently used for vacuum clamps made of stainless steel: 1. the casting process is completed through simple assembly processes such as vibration rolling friction and the like, the process appearance is rough, the service life is short, and the structural strength is low; 2. the aluminum alloy material is formed by die casting, and then is simply assembled by electrolytic polishing. The two finished products have simple and rough structures, can not meet the requirements of different customers, and can not achieve ideal effects, so that the inventor adopts a stainless steel seamless steel pipe to perform precision machining to manufacture the first clamping ring 1 and the second clamping ring 2, thereby avoiding mechanical degradation, prolonging the service life, having very obvious advantages in the aspect of delaying aging failure, having more excellent strength and more reliable use.
Example 1
An anti-vibration vacuum clamp comprises a first clamp ring 1, a second clamp ring 2 and a hinge block 6, wherein the first clamp ring 1 and the second clamp ring 2 are connected through the hinge block 6, the vacuum clamp further comprises a threaded rod 3 connected with the first clamp ring 1 and a locking sleeve 4 sleeved on the threaded rod 3, a locking groove 201 is formed in the outer peripheral surface, away from the hinge block 6, of the second clamp ring 2, an opening 202 is formed in the end surface, away from the hinge block 6, of the second clamp ring 2, the locking groove 201 is communicated with the opening 202, the threaded rod 3 is arranged in the locking groove 201 in a penetrating mode through the opening 202, a plurality of axially-arranged clamping grooves 401 are uniformly formed in the outer peripheral surface of the locking sleeve 4, a stopping piece 5 matched with the clamping grooves 401 is arranged on the second clamp ring 2, the stopping piece 5 is a spherical collision bead, the bottom surface of the clamping groove 401 is matched with the structure of the collision bead, and an opening is formed in one end, facing the first clamp ring 1, of the locking groove 201, the opening part is provided with a limit step 205, the structure of the limit step 205 is matched with the structure of one end of a locking sleeve 4, one end of the locking sleeve 4 is abutted against the limit step 205, a locking gasket 7 is arranged between the locking sleeve 4 and the limit step 205, the locking gasket 7 is sleeved on a threaded rod 3, one end of the locking sleeve 4 facing the limit step 205 is conical, the threaded rod 3 is provided with a connecting block 301, the threaded rod 3 is rotatably connected with a first snap ring 1 through the connecting block 301, the connecting block 301 is sleeved with a balance gasket 8, one surface of the balance gasket 8 is abutted against the first snap ring 1, the other surface of the balance gasket 8 is abutted against a second snap ring 2, the second snap ring 2 is provided with an L-shaped clearance 203, the L-shaped clearance 203 is arranged at a position not far away from the locking groove 201, arc-shaped grooves are arranged on the inner arc surface of the first snap ring 1 and the inner arc surface of the second snap ring 2, be equipped with crescent 10 on the cell wall of the arc wall of the junction of first snap ring 1 and second snap ring 2, first snap ring 1 and second snap ring 2 are eccentric structure.
Example 2
An anti-vibration vacuum clamp comprises a first clamp ring 1, a second clamp ring 2 and a hinge block 6, wherein the first clamp ring 1 is connected with the second clamp ring 2 through the hinge block 6, the vacuum clamp further comprises a threaded rod 3 connected with the first clamp ring 1 and a locking sleeve 4 sleeved on the threaded rod 3, a locking groove 201 is formed in the outer peripheral surface, away from the hinge block 6, of the second clamp ring 2, an opening 202 is formed in the end surface, away from the hinge block 6, of the second clamp ring 2, the locking groove 201 is communicated with the opening 202, the threaded rod 3 penetrates through the locking groove 201 through the opening 202, a plurality of axially-arranged clamping grooves 401 are uniformly formed in the outer peripheral surface of the locking sleeve 4, a retainer 5 matched with the clamping grooves 401 is arranged on the second clamp ring 2, the retainer 5 is a retaining column, one end of the retaining column is of a hemispherical shape, the bottom surface of the clamping groove 401 is matched with the hemispherical structure, an opening is formed in one end, facing the first clamping ring 1, of the locking groove 201, a limiting step 205 is arranged at the opening, the structure of the limiting step 205 is matched with that of one end of the locking sleeve 4, one end of the locking sleeve 4 abuts against the limiting step 205, a locking gasket 7 is arranged between the locking sleeve 4 and the limiting step 205, the locking gasket 7 is sleeved on the threaded rod 3, one end, facing the limiting step 205, of the locking sleeve 4 is conical, a connecting block 301 is arranged on the threaded rod 3, the threaded rod 3 is rotatably connected with the first clamping ring 1 through the connecting block 301, a balance gasket 8 is sleeved on the connecting block 301, one surface of the balance gasket 8 abuts against the first clamping ring 1, the other surface of the balance gasket 8 abuts against the second clamping ring 2, an L-shaped clearance 203 is arranged on the second clamping ring 2, and the L-shaped clearance 203 is arranged at a position which is not far away from the locking groove 201, all be equipped with the arc wall on the intrados of first snap ring 1 and the intrados of second snap ring 2, be equipped with crescent 10 on the cell wall of the arc wall of the junction of first snap ring 1 and second snap ring 2, first snap ring 1 and second snap ring 2 are eccentric structure.
Vacuum clamp performance test
The vacuum clamp sleeve in the embodiment 1 is arranged at the joint of the two vacuum pipes, the locking sleeve is screwed down to lock the two vacuum pipes, the two vacuum pipes are pulled by an axial tension tester to test the average axial tension borne by the vacuum clamp in the embodiment 1, a radial pressure tester is used for applying load to the vacuum clamp in the embodiment 1 to test the average radial pressure borne by the vacuum clamp in the embodiment 1, and the average axial tension borne by the vacuum clamp in the embodiment 1 is 68.45KN and the average radial pressure borne by the vacuum clamp in the embodiment 1 is 59.63KN, while the average axial tension borne by the vacuum clamp in the market at present is only 20.86KN and the average radial pressure borne by the vacuum clamp in the market is 19.02 KN.
The foregoing examples are given solely for the purpose of illustrating the invention and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the invention.

Claims (10)

1. An anti-vibration vacuum hoop comprises a first snap ring (1), a second snap ring (2) and a hinge block (6), the first clamping ring (1) and the second clamping ring (2) are connected through a hinging block (6), it is characterized in that the vacuum clamp also comprises a threaded rod (3) connected with the first snap ring (1) and a locking sleeve (4) sleeved on the threaded rod (3), a locking groove (201) is arranged on the outer peripheral surface of the second snap ring (2) far away from the hinge block (6), an opening (202) is arranged on the end face, far away from the hinge block (6), of the second clamping ring (2), the locking groove (201) is communicated with the opening (202), the threaded rod (3) is arranged in the locking groove (201) in a penetrating way through the opening (202), a plurality of axially arranged clamping grooves (401) are uniformly arranged on the peripheral surface of the locking sleeve (4), and a stop piece (5) matched with the clamping groove (401) is arranged on the second clamping ring (2).
2. An anti-vibration vacuum clamp according to claim 1, characterized in that the stop member (5) is a spherical ball-shaped catch, and the bottom surface of the locking groove (401) matches the structure of the ball-shaped catch.
3. An anti-vibration vacuum clamp according to claim 1, characterized in that the stop member (5) is a stop post, one end of the stop post is hemispherical, and the bottom surface of the clamping groove (401) matches with a hemispherical structure.
4. The vibration-proof vacuum clamp according to claim 1, wherein the opening (202) is provided with a limit step (205), the structure of the limit step (205) is matched with the structure of one end of the locking sleeve (4), and one end of the locking sleeve (4) is abutted against the limit step (205).
5. An anti-vibration vacuum clamp according to claim 4, characterized in that a locking washer (7) is arranged between the locking sleeve (4) and the limiting step (205), and the locking washer (7) is sleeved on the threaded rod (3).
6. An antivibration vacuum clamp as claimed in claim 5, wherein the end of the locking sleeve (4) facing the stop step (205) is tapered.
7. An anti-vibration vacuum clamp according to claim 1, wherein a connecting block (301) is provided on the threaded rod (3), the threaded rod (3) is rotatably connected with the first snap ring (1) through the connecting block (301), a balance gasket (8) is sleeved on the connecting block (301), one surface of the balance gasket (8) abuts against the end surface of the first snap ring (1), and the other surface of the balance gasket (8) abuts against the end surface of the second snap ring (2).
8. An anti-vibration vacuum clamp according to claim 1, characterized in that the second snap ring (2) is provided with an L-shaped clearance (203) on its outer circumferential surface, said L-shaped clearance (203) being provided shortly after the locking groove (201).
9. The vibration-proof vacuum clamp according to claim 1, wherein the inner peripheral surface of the first snap ring (1) and the inner peripheral surface of the second snap ring (2) are both provided with arc-shaped grooves, and the wall of the arc-shaped groove at the joint of the first snap ring (1) and the second snap ring (2) is provided with a crescent arc (10).
10. An anti-vibration vacuum clamp according to claim 1, characterized in that the first snap ring (1) and the second snap ring (2) are of eccentric construction.
CN202210110625.8A 2022-01-29 2022-01-29 Anti-vibration vacuum clamp Active CN114562617B (en)

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CN114562617B CN114562617B (en) 2022-12-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114922994A (en) * 2022-06-30 2022-08-19 靖江佳佳精密机械科技有限公司 Novel air-driven type sealing vacuum valve

Citations (8)

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CN113154157A (en) * 2021-03-16 2021-07-23 中国航发哈尔滨东安发动机有限公司 Quick assembling and disassembling device for end face flange
CN213839926U (en) * 2020-09-15 2021-07-30 溧阳市四方不锈钢制品有限公司 Anti-vibration anti-loosening clamp
CN214947085U (en) * 2021-04-15 2021-11-30 瑞安市立程标准件有限公司 Clamp with locking function

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CN105715886A (en) * 2016-04-22 2016-06-29 安徽捷迅光电技术有限公司 Heavy air pipe hoop
CN208138640U (en) * 2018-03-29 2018-11-23 无锡升滕半导体技术有限公司 A kind of clip of semiconductor pipe fitting
CN210318917U (en) * 2019-07-17 2020-04-14 昆山新莱洁净应用材料股份有限公司 Optimized hoop
CN211371549U (en) * 2019-12-23 2020-08-28 无锡巧菲雅精密机械有限公司 Locking vacuum clamp that moves
CN212273326U (en) * 2020-05-14 2021-01-01 潍坊市瑞轩管业有限公司 Locking structure that moves of clamp
CN213839926U (en) * 2020-09-15 2021-07-30 溧阳市四方不锈钢制品有限公司 Anti-vibration anti-loosening clamp
CN113154157A (en) * 2021-03-16 2021-07-23 中国航发哈尔滨东安发动机有限公司 Quick assembling and disassembling device for end face flange
CN214947085U (en) * 2021-04-15 2021-11-30 瑞安市立程标准件有限公司 Clamp with locking function

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* Cited by examiner, † Cited by third party
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CN114922994A (en) * 2022-06-30 2022-08-19 靖江佳佳精密机械科技有限公司 Novel air-driven type sealing vacuum valve
CN114922994B (en) * 2022-06-30 2023-09-15 靖江佳佳精密机械科技有限公司 Air-driven type sealing vacuum valve

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Denomination of invention: An anti vibration vacuum clamp

Effective date of registration: 20230406

Granted publication date: 20221213

Pledgee: Jingjiang Branch of Bank of China Ltd.

Pledgor: JINGJIANG JIAJIA PRECISION MACHINERY TECHNOLOGY Co.,Ltd.

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