CN211623987U - Automatic locking and clamping device convenient to operate - Google Patents

Abstract

The utility model discloses an automatic locking chucking device of convenient operation, include: the clamping structure, the clamping structure is an annular structure, and it is including pressing from both sides tight go-between, it is equipped with card core subassembly, first snap ring and second snap ring to pressing from both sides tight go-between from inside to outside in proper order to press from both sides tight go-between, first snap ring and second snap ring are abreast and hug closely the setting each other, just press from both sides the peripheral round cover of tight go-between and be equipped with the spring, the one end joint of spring is on first snap ring, the other end joint of spring is on the second snap ring, solid fixed ring, gu on fixed ring is fixed in another terminal surface of clamping structure, and gu be equipped with fixed interval between solid fixed ring and the. According to the utility model discloses, its simple structure is practical, can lift this clamping device off fast when installing and dismantling parts on the counter shaft, does not need extra instrument moreover to dismantle and install, has improved workman's work efficiency greatly.

Description

Automatic locking and clamping device convenient to operate

Technical Field

The utility model relates to a chucking technical field, in particular to automatic locking chucking device of convenient operation.

Background

Other spare parts can be fixed to general cylinder or axle head for drive the rotation of other spare parts or play the effect of transmission, but other spare parts are all fixed through the mode of key-type connection to general axle head fixed, perhaps fix and fix a position the spare part with the mode of shell fragment and card type shell fragment, generally under the high-speed pivoted motion circumstances of axle, can adopt fixed modes such as bolts to fixed spare part on the axle, guarantee that fixed spare part stability is high.

However, the existing clamping device has certain problems, and firstly, the existing clamping device takes time to replace or disassemble parts fixed on a shaft, and is inconvenient to disassemble, the maintenance efficiency can be influenced, and further the working efficiency of a production line can be influenced. Secondly, the general situation will need to be dismantled and installed with the help of extra associated tools, which will increase the labor of workers and sometimes make it inconvenient for one person to dismantle and install.

In view of the above, there is a need to develop an automatic locking and clamping device with convenient operation, so as to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the prior art, the utility model aims at providing an automatic locking chucking device of convenient operation, its simple structure is practical, can lift this clamping device off fast when spare part is installed and is dismantled to the counter shaft, does not need extra instrument to dismantle and install moreover, has improved workman's work efficiency greatly. In order to realize the basis of the utility model discloses an above-mentioned purpose and other advantages provide an automatic locking chucking device of convenient operation, include:

the clamping structure, the clamping structure is an annular structure, and it is including pressing from both sides tight go-between, it is equipped with card core subassembly, first snap ring and second snap ring to pressing from both sides tight go-between from inside to outside in proper order to press from both sides tight go-between, first snap ring and second snap ring are abreast and hug closely the setting each other, just press from both sides the peripheral round cover of tight go-between and be equipped with the spring, the one end joint of spring is on first snap ring, the other end joint of spring is on the second snap ring.

The retaining ring is fixed on one end face of the clamping structure and plays a limiting role in the clamping structure; and

and the fixing ring is fixed on the other end surface of the clamping structure, and a fixing interval is arranged between the fixing ring and the clamping structure and used for accommodating a fixed object.

Preferably, the clamping connection ring comprises a fixing portion, a loading portion is integrally connected to one end face of the fixing portion, and at least two connection holes are formed in one surface of the loading portion.

Preferably, the loading part is provided with a spring accommodating groove along the periphery, the spring accommodating groove is used for accommodating a spring, and the loading part is provided with a notch, so that the loading part forms a C-shaped structure.

Preferably, a first limiting ring, a second limiting ring and a third limiting ring are sequentially and fixedly connected in the fixing part along the axial direction, and the diameters of the first limiting ring, the second limiting ring and the third limiting ring are sequentially decreased progressively along the axial direction.

Preferably, the first snap ring comprises a first annular part, a first connecting part is integrally connected to the first annular part, a first spring connecting hole is formed in the first connecting part, and a first carrying handle part is integrally connected to the first connecting part.

Preferably, the inner side surface of the first annular part is provided with a first sliding groove, a second sliding groove and a third sliding groove in an equidistance manner, the groove depths of the first sliding groove, the second sliding groove and the third sliding groove are increased progressively along the clockwise direction, and the first sliding groove is divided into a first loose section and a first clamping section.

Preferably, the second snap ring comprises a second annular part, a second connecting part is integrally connected to the second annular part, a second spring connecting hole is formed in the second connecting part, and a second carrying handle part is integrally connected to the second connecting part.

Preferably, the inner side surface of the second annular portion is provided with a first moving groove, a second moving groove and a third moving groove at equal intervals, the groove depths of the first moving groove, the second moving groove and the third moving groove decrease progressively along the clockwise direction, and the first moving groove is divided into a second loosening section and a second clamping section.

Preferably, the clamping core assembly comprises a clamping column and a clamping column ring, at least two clamping column grooves are formed in the clamping column ring, a first relative arc-shaped surface and a second relative plane are arranged in the clamping column grooves, the width of an upper opening of the first relative arc-shaped surface is a first width value, the width of a lower opening of the first relative arc-shaped surface is a second width value, the diameter of the clamping column is smaller than the first width value, and the diameter of the clamping column is larger than the second width value.

Preferably, the first sliding groove, the second sliding groove and the third sliding groove respectively correspond to the first moving groove, the second moving groove and the third moving groove one by one in sequence.

Compared with the prior art, the utility model, its beneficial effect is:

(1) the first lifting handle part and the second lifting handle part are connected through the spring, and the spring is always in a stretched state, so that the first lifting handle part and the second lifting handle part can always receive a pair of opposite forces, and the holding clamping device is always in a clamping state;

(2) when the clamping device needs to be taken down or installed, a person can hold the first carrying handle part and the second carrying handle part simultaneously by only one hand, and the first carrying handle part and the second carrying handle part move oppositely respectively, so that the clamping device can be in an open state;

(3) when the clamping device is installed on the shaft, the clamping device can also fix the ring body piece for blocking the shaft or playing a role in other roles, so that the clamping device has strong applicability.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional explosion structure of an automatic locking chucking device according to the present invention, which is conveniently operated, in a chucking structure locking state;

fig. 2 is a front view of a clamping structure of the automatic locking clamping device according to the present invention, which is convenient to operate;

fig. 3 is a schematic three-dimensional structure diagram of a clamping structure of the automatic locking clamping device according to the present invention, which is convenient to operate;

fig. 4 is a schematic three-dimensional structure of a clamping connection ring of the automatic locking and clamping device according to the present invention, which is convenient to operate;

fig. 5 is a front view of a second snap ring of the automatic locking and clamping device according to the present invention, which is convenient to operate;

fig. 6 is a front view of a first snap ring of the automatic locking and clamping device according to the present invention, which is easy to operate;

fig. 7 is a front view of the first snap ring and the second snap ring of the automatic locking and clamping device according to the present invention, which is convenient to operate;

fig. 8 is a schematic three-dimensional structure of a core assembly of the automatic locking and clamping device according to the present invention, which is convenient to operate;

fig. 9 is an elevational cross-sectional view of fig. 8.

4. A baffle ring; 5. a fixing ring; 7. a shaft; 8. a clamping structure; 81. clamping the connecting ring; 82. a cartridge assembly; 83. a first snap ring; 84. a second snap ring; 85. a spring; 86. a first fixing surface; 87. a second stationary surface; 88. a third fixing surface; 811. a fixed part; 812. a loading section; 813. a first limit ring; 814. a second stop collar; 815. a third limit ring; 8121. a notch; 8122. a spring accommodating groove; 8123. connecting holes; 821. clamping the column; 8211. a first clamp post; 8212. a second clamping column; 8213. a third clamping column; 822. a clamp ring; 8221. a column clamping groove; 8222. a first inclined surface; 831. a first handle part; 832. a first connection portion; 8321. a first spring attachment hole; 833. a first annular portion; 834. a first chute; 835. a second chute; 836. a third chute; 8341. a first slack section; 8342. a first clamping section; 841. a second carrying handle part; 842. a second connecting portion; 8421. a second spring attachment hole; 843. a second annular portion; 844. a first moving slot; 845. a second moving slot; 846. a third moving slot; 8441. a second slack section; 8442. a second clamping section.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a clamping structure 8, where the clamping structure 8 is an annular structure, so that a shaft 7 to be fixed can pass through the middle of the clamping structure 8, and thus the clamping structure 8 can be fixed on a shaft to be fixed on any equipment, the clamping structure 8 includes a clamping connection ring 81, the clamping connection ring 81 is sequentially provided with a clamping core assembly 82, a first clamping ring 83 and a second clamping ring 84 from inside to outside, the first clamping ring 83 and the second clamping ring 84 are arranged side by side and closely attached to each other, a spring 85 is sleeved around the periphery of the clamping connection ring 81, one end of the spring 85 is clamped on the first clamping ring 83, the other end of the spring 85 is clamped on the second clamping ring 84, the spring 85 is in a tensioned state, and a tension is always applied to the first clamping ring 83 and the second clamping ring 84, so that the first clamping ring 83 is subjected to a clockwise tension, the second clamping ring 84 is pulled counterclockwise to stop the ring 4, the stop ring 4 is fixed on one end face of the clamping structure 8, the stop ring 4 has a limiting effect on the clamping structure 8, and when the clamping core assembly 82, the first clamping ring 83 and the second clamping ring 84 in the clamping connection ring 81 are sequentially installed, the stop ring 4 is fixed on one end face of the clamping structure 8 through bolts, the clamping structure 8 is fixed, and internal parts cannot loosen; solid fixed ring 5, gu fixed ring 5 is fixed in on another terminal surface of chucking structure 8, and be equipped with between solid fixed ring 5 and the chucking structure 8 between fixed ring 5 and the chucking structure 8 between fixed ring for the fixed object, gu pass through the bolt fastening between fixed ring 5 and the chucking structure 8, when needs are at solid fixed ring 5 and the chucking structure 8 between the fixed ring body, can adjust the distance between solid fixed ring 5 and the chucking structure 8 through the bolt adjustment, adjust certain space and fix other by the mounting, when solid fixed ring 5 is fixed in chucking structure 8 and need not fix other by the mounting, gu fixed ring 5 is fixed in and closely laminates through the bolt between the chucking structure 8 this moment, need not leave the.

Referring to fig. 4, the clamping connection ring 81 includes a fixing portion 811, a mounting portion 812 is integrally connected to an end surface of the fixing portion 811, at least two connection holes 8123 are formed in a surface of the mounting portion 812, when the retainer ring 4 is fixed to the surface of the mounting portion 812 by a bolt, the bolt passes through the connection holes 8123, a spring accommodating groove 8122 is formed along an outer periphery of the mounting portion 812, the spring accommodating groove 8122 is used for accommodating the spring 85, a notch 8121 is formed in the mounting portion 812, so that the mounting portion 812 forms a C-shaped structure, the first snap ring 83 and the second snap ring 84 are placed in the mounting portion 812, outer surfaces of the first snap ring 83 and the second snap ring 84 are attached to an inner surface of the mounting portion 812, and the first handle portion 831 of the first snap ring 83 and the second handle portion 841 of the second snap ring 84 extend upward through the notch 8121.

Furthermore, a first limiting ring 813, a second limiting ring 814 and a third limiting ring 815 are sequentially and fixedly connected in the fixing portion 811 along the axial direction, the diameters of the first limiting ring 813, the second limiting ring 814 and the third limiting ring 815 are sequentially reduced in an axial direction, one end face of the core clamping assembly 82 abuts against the first limiting ring 813, the other end face of the core clamping assembly 82 abuts against the baffle ring 4, one end of the first snap ring 83 abuts against the second limiting ring 814, one end face of the second snap ring 84 abuts against the third limiting ring 815, the other end faces of the first snap ring 83 and the second snap ring 84 are tightly attached to each other, and accordingly, the structure enables parts in the whole clamping device to be fixed into a whole.

Referring to fig. 6, the first snap ring 83 includes a first annular portion 833, the first annular portion 833 is integrally connected to a first connecting portion 832, the first connecting portion 832 is provided with a first spring connecting hole 8321, the first connecting portion 832 is integrally connected to a first carrying handle portion 831, the inner surface of the first annular portion 833 is provided with a first sliding groove 834, a second sliding groove 835 and a third sliding groove 836 which are equally separated from each other, the groove depths of the first sliding groove 834, the second sliding groove 835 and the third sliding groove 836 increase in a clockwise direction, the first sliding groove 834 is divided into a first loose section 8341 and a first clamping section 8342, the second sliding groove 835 and the third sliding groove 836 are divided into a same clamping section and a same loose section as the first sliding groove 834, when the clamping device is in the clamping state, the snap column 821 is located in the first clamping section 8342, the first snap ring 83 has an acting force perpendicular to the axis of the snap column 821, when the first handle 831 is rotated counterclockwise, the clamp cylinder 821 is gradually rotated from the first clamping section 8342 to the first loosening section 8341, so that the first clamp ring 83 has no force on the clamp cylinder 821.

Referring to fig. 5, the second snap ring 84 includes a second annular portion 843, the second connecting portion 842 is integrally connected to the second annular portion 843, the second connecting portion 842 is provided with a second spring connecting hole 8421, the second connecting portion 842 is integrally connected to a second handle portion 841, a first moving groove 844, a second moving groove 845 and a third moving groove 846 are equidistantly formed on an inner side surface of the second annular portion 843, groove depths of the first moving groove 844, the second moving groove 845 and the third moving groove 846 decrease in a clockwise direction, the first moving groove 844 is divided into a second loosening section 8441 and a second clamping section 8442, when the clamping device is in the clamping state, the clamping column is located in the second clamping section 8442, when the second snap ring 84 applies a force perpendicular to an axis of the clamping column 821 to the clamping column 821, when the second handle portion 841 rotates in a clockwise direction, the clamping column is gradually rotated from being located in the second clamping section 8442 to being located in the second loosening section 8441, so that second snap ring 84 has no force on snap post 821.

Referring to fig. 8 to 9, the card core assembly 82 includes a card cylinder 821 and a card cylinder ring 822, the card cylinder ring 822 has three card cylinder slots 8221, a first opposite arc-shaped surface 8222 and a second opposite plane are arranged in the card cylinder slot 8221, the second opposite plane is attached to an end surface of the card cylinder 821, and the first opposite arc-shaped surface 8222 is arranged, when the card cylinder 821 moves in the card cylinder slot 8221, the card cylinder slot will not contact and rub with the first opposite arc-shaped surface 8222, abrasion of the card cylinder 821 is avoided, a width of an upper opening of the first opposite arc-shaped surface 8222 is a first width value, a width of a lower opening of the first opposite arc-shaped surface 8222 is a second width value, a diameter of the card cylinder 821 is smaller than the first width value, when the card cylinder 821 moves in the card cylinder slot 8221, the card cylinder slot 821 can smoothly move in the card cylinder slot 8221, the card cylinder slot 821 diameter is larger than the second width value, when the card cylinder is placed in the card cylinder slot 8221, the lower surface of the clamp cylinder 821 protrudes out of the inner surface of the clamp cylinder ring 822, the clamp cylinder ring 822 is equally divided into three clamp cylinder grooves 8221, and a first clamp cylinder 8211, a second clamp cylinder 8212 and a third clamp cylinder 8213 are sequentially arranged in each clamp cylinder groove 8221.

Referring to fig. 7, the first sliding groove 834, the second sliding groove 835 and the third sliding groove 836 correspond to the first moving groove 844, the second moving groove 845 and the third moving groove 846 one by one, when the clamping device is in a clamping state, the first clamping section 8342 of the first sliding groove 834 of the first snap ring 83 and the second clamping section 8442 of the first moving groove 844 of the second snap ring 84 form a first clamping surface 88, at this time, the first clamping column 8211 is pressed against the first clamping surface 88, the other surface of the first clamping column 8211 is pressed against the surface of the shaft 7, so that the clamping section of the second sliding groove 835 and the clamping section of the second moving groove 845 form a second clamping surface 86, the clamping section of the third sliding groove 836 and the clamping section of the third moving groove 846 form a third clamping surface 87, the second clamping column 8212 is pressed against the third clamping surface 87, and the second clamping column 8212 is pressed against the surface of the shaft 7, the third clamping post 8213 abuts the second clamping surface 86 such that the third clamping post 8213 is forced against the surface of the shaft 7.

The working principle is as follows: when the clamping device is not sleeved on the shaft 7, the clamping device is always in a clamping state, so when the clamping device is sleeved on the shaft 7, the first carrying handle part 831 and the second carrying handle part 841 are simultaneously held, the first carrying handle part 831 rotates towards the anticlockwise direction, at the same time, the second carrying handle part 841 rotates towards the direction close to the first carrying handle part 831, therefore, the first carrying handle part 831 drives the first annular part 833 to rotate towards the direction close to the second carrying handle part 841, the first clamping column 8211 gradually rotates from being positioned in the first clamping section 8342 to being positioned in the first loosening section 8341, so that the first annular part 833 has no acting force on the first clamping column 8211, the motion conditions of the second clamping column 8212 and the third clamping column 8213 are the same as the motion conditions of the first clamping column 8211, the second carrying handle part 841 drives the second annular part 843 to rotate towards being positioned in the first loosening section 8341, and the first clamping column 8211 gradually rotates from being positioned in the second clamping section 8442 to being positioned in the second loosening section 8441, so that the second ring portion 843 has no acting force on the first locking post 8211, the second locking post 8212 and the third locking post 8213 have the same movement condition as the first locking post 8211, and the first ring portion 833 and the second ring portion 843 have no acting force on the first locking post 8211, the second locking post 8212 and the third locking post 8213, and at this time, when the locking device is fitted over the shaft 7, the first locking post 8211, the second locking post 8212 and the third locking post 8213 on the locking post ring 822 are subjected to an acting force of the shaft 7, so that the first locking post 8211, the second locking post 8212 and the third locking post 8213 are moved in the locking post groove 8221 in a direction perpendicular to the axial direction of the locking post 822, and the first locking post 8211, the second locking post 8212 and the third locking post 8213 are not subjected to an acting force with each other with the shaft 7, and thus the locking device can be fitted over the shaft 7, and at this time, the handle 831 and the first lifting portion 841 and the second lifting portion are elastically acted under the tensile force of the spring 85, the first carrying handle 831 rotates in a direction away from the second carrying handle 841 to drive the first ring-shaped portion 833 to rotate in a direction away from the second carrying handle 841, the second carrying handle 841 rotates in a direction away from the first carrying handle 831 to drive the second ring-shaped portion 843 to rotate in a direction away from the first carrying handle 831, at this time, a clamping section of the first ring-shaped portion 833 and a clamping section of the second ring-shaped portion 843 sequentially form a first clamping surface 88, a second clamping surface 86 and a third clamping surface 87, meanwhile, a first clamping column 8211, a second clamping column 8212 and a third clamping column 8213 respectively rotate to positions at the first clamping surface 88, the second clamping surface 86 and the third clamping surface 87 from a loosening section at the first ring-shaped portion 833 and a loosening section at the second ring-shaped portion 843, the first clamping column 8211 and the first clamping surface 88 are mutually abutted, the second clamping column 8212 and the second abutting and the clamping surface 87 are mutually abutted, and stressed with the third clamping column 8213 and the third stressed surface 87, therefore, the first clamping column 8211, the second clamping column 8212 and the third clamping column 8213 are abutted against the surface of the shaft 7 and are stressed, and the spring 85 is in a relaxed state all the time, so that the first handle part 831 and the second handle part 841 are always under the elastic tension action of the spring 85, and the clamping device is clamped and fixed on the shaft 7.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. An automatic locking and clamping device convenient to operate is characterized by comprising:

the clamping structure (8) is an annular structure and comprises a clamping connection ring (81), a clamping core assembly (82), a first clamping ring (83) and a second clamping ring (84) are sequentially arranged on the clamping connection ring (81) from inside to outside, the first clamping ring (83) and the second clamping ring (84) are arranged side by side and are tightly attached to each other, a spring (85) is sleeved on the periphery of the clamping connection ring (81), one end of the spring (85) is clamped on the first clamping ring (83), and the other end of the spring (85) is clamped on the second clamping ring (84);

the retaining ring (4) is fixed on one end face of the clamping structure (8), and the retaining ring (4) plays a limiting role in the clamping structure (8); and

and the fixing ring (5) is fixed on the other end face of the clamping structure (8) by the fixing ring (5), and a fixing interval is arranged between the fixing ring (5) and the clamping structure (8) and used for accommodating a fixed object.

2. An automatic locking and clamping device with convenient operation as claimed in claim 1, wherein the clamping and connecting ring (81) comprises a fixing part (811), a loading part (812) is integrally connected to one end surface of the fixing part (811), and at least two connecting holes (8123) are formed on one surface of the loading part (812).

3. The automatic locking and clamping apparatus with easy operation as claimed in claim 2, wherein the loading part (812) is formed with a spring receiving groove (8122) along the outer circumference, the spring receiving groove (8122) is used for receiving the spring (85), and the loading part (812) is formed with a notch (8121) so that the loading part (812) forms a C-shaped structure.

4. The automatic locking and clamping device with convenient operation as claimed in claim 2, wherein the fixing portion (811) is fixed with a first limiting ring (813), a second limiting ring (814) and a third limiting ring (815) along the axial direction in turn, and the diameters of the first limiting ring (813), the second limiting ring (814) and the third limiting ring (815) decrease progressively along the axial direction in turn.

5. The automatic locking and clamping device convenient to operate as claimed in claim 1, wherein the first snap ring (83) comprises a first annular portion (833), the first annular portion (833) is integrally connected with a first connecting portion (832), the first connecting portion (832) is provided with a first spring connecting hole (8321), and the first connecting portion (832) is integrally connected with a first carrying handle portion (831).

6. The automatic locking and clamping device with convenient operation as claimed in claim 5, wherein the inner side surface of the first annular portion (833) is provided with a first sliding groove (834), a second sliding groove (835) and a third sliding groove (836) which are equally separated, the groove depth of the first sliding groove (834), the groove depth of the second sliding groove (835) and the groove depth of the third sliding groove (836) are increased along the clockwise direction, and the first sliding groove (834) is divided into a first loose section (8341) and a first clamping section (8342).

7. The easy-to-operate automatic lock clamping device according to claim 1, wherein the second snap ring (84) comprises a second annular portion (843), a second connecting portion (842) is integrally connected to the second annular portion (843), a second spring connecting hole (8421) is formed in the second connecting portion (842), and a second handle portion (841) is integrally connected to the second connecting portion (842).

8. The automatic locking and clamping device convenient to operate as claimed in claim 7, wherein a first moving groove (844), a second moving groove (845) and a third moving groove (846) are equally spaced on the inner side surface of the second annular portion (843), the groove depths of the first moving groove (844), the second moving groove (845) and the third moving groove (846) are decreased progressively in a clockwise direction, and the first moving groove (844) is divided into a second loosening section (8441) and a second clamping section (8442).

9. The automatic locking and clamping device convenient to operate as claimed in claim 1, wherein the clamping core assembly (82) comprises a clamping column (821) and a clamping column ring (822), at least two clamping column grooves (8221) are formed in the clamping column ring (822), a first relative arc-shaped surface (8222) and a second relative plane are arranged in the clamping column groove (8221), the width of an upper opening of the first relative arc-shaped surface (8222) is a first width value, the width of a lower opening of the first relative arc-shaped surface (8222) is a second width value, the diameter of the clamping column (821) is smaller than the first width value, and the diameter of the clamping column (821) is larger than the second width value.

10. The automatic locking and clamping device with convenient operation as claimed in claim 8, wherein the first sliding groove (834), the second sliding groove (835) and the third sliding groove (836) are respectively corresponding to the first moving groove (844), the second moving groove (845) and the third moving groove (846) one by one.

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