CN210852732U - Clamping quick-release device - Google Patents

Abstract

The utility model discloses a clamping quick-release device, which comprises a wrench, a C-shaped clamping ring and an installation shaft, wherein two installation lugs of the C-shaped clamping ring are sleeved on the installation shaft in a sliding manner, the wrench is provided with one or two fixing parts, an ejection assembly is arranged between the fixing part and the installation lugs, the ejection assembly comprises a first slider, a second slider and at least two rolling bodies, the rolling bodies are cylindrical or truncated cone-shaped, and the second slider is positioned and installed on the installation lugs; the first sliding block is positioned and arranged on the fixed part; the face of the first sliding block opposite to the face of the second sliding block is provided with an accommodating groove and a spiral groove, the rolling body is limited in the accommodating groove, when the wrench is rotated, the wrench can drive the first sliding block to rotate, and meanwhile, the rolling body is driven to rotate in the spiral groove by taking the installation shaft as the center, so that the function of clamping or loosening the pipe fitting in the C-shaped clamping ring is realized. The utility model discloses press from both sides tight fixing device, the structural design is ingenious, and convenient to use is reliable.

Description

Clamping quick-release device

Technical Field

The utility model relates to a clamping device especially relates to a press from both sides tight quick detach device.

Background

The clamping quick-release device is also called as clamping quick-release and is widely applied to telescopic pipe fittings of bicycles, electric vehicles and the like to quickly clamp or loosen the telescopic pipe fittings, so that the purpose of adjusting the height of the telescopic pipe fittings is achieved, for example, a seat post of a bicycle can realize the function of quickly adjusting the height of the seat post through the clamping quick-release device. The clamping quick-release device generally comprises a wrench, a C-shaped clamping ring or a C-shaped collar and an ejection assembly, wherein the ejection assembly comprises a first sliding block and a second sliding block, and the position of the second sliding block relative to the first sliding block is changed by operating the wrench to rotate, so that the C-shaped clamping ring can be driven to clamp or loosen, and the function of quickly clamping or loosening the pipe fitting is realized. However, in the prior art, when the first slider and the second slider of the ejection assembly interact with each other, the interaction between the surfaces is usually the interaction between the surfaces, the friction force is large, and the operation is laborious.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a press from both sides tight quick detach device has reduced the frictional force between the first slider of ejecting subassembly and the second slider, has improved the convenience of operation.

In order to achieve the above purpose, the utility model discloses a technical scheme be: a clamping quick-release device comprises a wrench, a C-shaped clamping ring and an installation shaft, wherein two free ends of the C-shaped clamping ring are oppositely arranged to form two installation lugs, a gap is formed between the two installation lugs, the two installation lugs are slidably sleeved in the middle of the installation shaft, the wrench is provided with two fixing parts, for example, the fixing parts can be U-shaped, one fixing part is installed at one end of the installation shaft, and the other fixing part is installed at the other end of the installation shaft; an ejection assembly is arranged between one fixing part and the adjacent mounting lug or between two fixing parts and the adjacent mounting lug, the ejection assembly comprises a first sliding block, a second sliding block and at least two rolling bodies, the rolling bodies are cylindrical or truncated cone-shaped, the first sliding block and the second sliding block are sequentially sleeved on the mounting shaft, and the second sliding block is positioned and mounted on the mounting lug or integrally formed with the mounting lug and can slide along the mounting shaft; the first sliding block is positioned and installed on the fixing part or integrally formed with the fixing part, and can rotate relative to the second sliding block and the installation lug under the driving of the wrench; in two opposite surfaces of the first sliding block and the second sliding block, one surface is provided with a containing groove corresponding to the rolling bodies one to one, the other surface is provided with a spiral groove corresponding to the rolling bodies one to one, the rolling bodies are arranged between the corresponding containing grooves and the corresponding spiral grooves, and the first sliding block can drive the rolling bodies to roll and rotate in the spiral grooves by taking the installing shafts as centers under the limit of the containing grooves.

Furthermore, a positioning groove is formed at the top end of the spiral groove, a stop edge is formed between the spiral groove and the positioning groove, and the top surface of the stop edge is an arc surface.

Furthermore, the rolling bodies are arranged in three numbers, the surface of the first sliding block facing the second sliding block is provided with three accommodating grooves at intervals along the circumferential direction, and the surface of the second sliding block facing the first sliding block is provided with three spiral grooves at intervals along the circumferential direction.

Furthermore, the first sliding block is disc-shaped, a positioning column is formed on the surface of the first sliding block facing the fixing part, a positioning hole is formed on the fixing part, and the positioning column is inserted into the positioning hole; the second slider is disc-shaped, at least two positioning clamping pins are formed on the surface of the second slider facing the installation lug, positioning clamping grooves in one-to-one correspondence with the positioning clamping pins are formed on the installation lug, and the positioning clamping pins are inserted into the corresponding positioning clamping grooves.

Furthermore, the mounting shaft is a main screw and a secondary screw, and the two fixing parts, the two mounting lugs and the ejection assembly between the fixing parts and the mounting lugs are clamped and positioned between two cap parts of the main screw and the secondary screw.

In order to achieve the above purpose, the utility model discloses a another kind of technical scheme is: a clamping quick-release device comprises a wrench, a C-shaped clamping ring and an installation shaft, wherein two free ends of the C-shaped clamping ring are oppositely arranged to form two installation lugs, a gap is formed between the two installation lugs, the two installation lugs are sleeved in the middle of the installation shaft in a sliding manner, the wrench is provided with a fixing part, and the fixing part is installed at one end of the installation shaft; an ejection assembly is arranged between the fixing part and the adjacent mounting lug and comprises a first sliding block, a second sliding block and at least two rolling bodies, the rolling bodies are cylindrical or truncated cone-shaped, the first sliding block and the second sliding block are sequentially sleeved on the mounting shaft, and the second sliding block is positioned and mounted on the mounting lug or integrally formed with the mounting lug and can slide along the mounting shaft; the first sliding block is positioned and installed on the fixing part or integrally formed with the fixing part, and can rotate relative to the second sliding block and the installation lug under the driving of the wrench; in two opposite surfaces of the first sliding block and the second sliding block, one surface is provided with a containing groove corresponding to the rolling bodies one to one, the other surface is provided with a spiral groove corresponding to the rolling bodies one to one, the rolling bodies are arranged between the corresponding containing grooves and the corresponding spiral grooves, and the first sliding block can drive the rolling bodies to roll and rotate in the spiral grooves by taking the installing shafts as centers under the limit of the containing grooves.

Furthermore, a positioning groove is formed at the top end of the spiral groove, a stop edge is formed between the spiral groove and the positioning groove, and the top surface of the stop edge is an arc surface.

Furthermore, the accommodating groove is formed in the surface, facing the second sliding block, of the first sliding block, and the spiral groove is formed in the surface, facing the first sliding block, of the second sliding block.

Furthermore, the first sliding block is disc-shaped, a positioning column is formed on the surface of the first sliding block facing the fixing part, a positioning hole is formed on the fixing part, and the positioning column is inserted into the positioning hole; the second slider is disc-shaped, at least two positioning clamping pins are formed on the surface of the second slider facing the installation lug, positioning clamping grooves in one-to-one correspondence with the positioning clamping pins are formed on the installation lug, and the positioning clamping pins are inserted into the corresponding positioning clamping grooves.

Furthermore, the mounting shaft is a primary and secondary screw, and the fixing part, the ejection assembly and the two mounting lugs are sequentially clamped and positioned between two cap parts of the primary and secondary screw.

The utility model has the advantages that: the utility model provides a press from both sides tight quick detach device through set up two at least columniform or round platform shape's rolling element between the first slider and the second slider at ejecting subassembly to through set up storage tank and helicla flute on the face that first slider is relative with the second slider, realized ejecting subassembly and rotated ejecting function. Like this, the rolling element is spacing in the storage tank, when rotating the spanner, the spanner can drive first slider and rotate, drives the rolling element simultaneously and uses the installation axle to rotate at the helicla flute internal rotation as the center, because the degree of depth of helicla flute reduces gradually from the bottom to the top, consequently, the rolling element can drive the second slider along endwise slip in the helicla flute internal rotation, and then exerts pressure and give two installation lugs of C type clamping ring, makes the breach between two installation lugs reduce to reach the purpose of pressing from both sides the pipe fitting that tightly sets up in C type clamping ring. In the mode, the rolling body is cylindrical or truncated cone-shaped in the operation process, surface contact is replaced by rolling, and compared with the prior art, the rolling device is smoother, the friction force between the first sliding block and the second sliding block of the ejection assembly can be reduced, and the convenience in operation is improved. The utility model discloses press from both sides tight fixing device, the structural design is ingenious, and convenient to use is reliable.

Drawings

Fig. 1 is a perspective view of the open state of the clamping and quick-release device of the present invention;

fig. 2 is a front view of the open state of the clamping and quick-release device of the present invention;

FIG. 3 is a side view of the open state of the clamping and quick-release device of the present invention;

fig. 4 is an exploded view of the open state of the clamping quick release device of the present invention;

fig. 5 is an exploded view of the ejector assembly of the present invention;

FIG. 6 is a schematic view of the first slider cooperating with the rolling element according to the present invention;

fig. 7 is a schematic structural view of a second slide block in the present invention;

fig. 8 is a perspective view of the locking state of the clamping quick release device of the present invention.

Detailed Description

In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention. The components in the structures of the drawings of the embodiments are not necessarily to scale, and do not represent actual relative sizes of the structures in the embodiments. The upper side or upper side of the structure or surface includes the case where other layers are interposed.

Example 1

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a clamping and quick-release device includes a wrench 1, a C-shaped clamping ring 2 and a mounting shaft 3, two free ends of the C-shaped clamping ring are oppositely arranged to form two mounting lugs 21, a gap 22 is formed between the two mounting lugs, the two mounting lugs are slidably sleeved in the middle of the mounting shaft, the wrench has two fixing portions 11, one of the fixing portions is mounted at one end of the mounting shaft, and the other fixing portion is mounted at the other end of the mounting shaft; an ejection assembly 4 is arranged between one fixing part and the adjacent mounting lug or the ejection assemblies 4 are arranged between two fixing parts and the adjacent mounting lug, each ejection assembly comprises a first sliding block 41, a second sliding block 42 and at least two rolling bodies 43, each rolling body is cylindrical or truncated cone-shaped, the first sliding block and the second sliding block are sequentially sleeved on the mounting shaft, namely the first sliding block is provided with a first shaft hole 413, the second sliding block is provided with a second shaft hole 428, and the second sliding block is positioned and mounted on the mounting lug or integrally formed with the mounting lug and can slide along the mounting shaft; the first sliding block is positioned and installed on the fixing part or integrally formed with the fixing part, and can rotate relative to the second sliding block and the installation lug under the driving of the wrench; in two opposite surfaces of the first sliding block and the second sliding block, one surface is provided with a containing groove 411 which is in one-to-one correspondence with the rolling bodies, the other surface is provided with a spiral groove 421 which is in one-to-one correspondence with the rolling bodies, the rolling bodies are arranged between the corresponding containing grooves and the corresponding spiral grooves, and the first sliding block can drive the rolling bodies to roll and rotate in the spiral grooves by taking the installing shafts as centers under the limit of the containing grooves.

In the structure, at least two cylindrical or truncated cone-shaped rolling bodies are arranged between the first sliding block and the second sliding block of the ejection assembly, and the accommodating groove and the spiral groove are formed in the surface, opposite to the second sliding block, of the first sliding block, so that the function of rotary ejection of the ejection assembly is realized. Like this, the rolling element is spacing in the storage tank, when rotating the spanner, the spanner can drive first slider and rotate, drives the rolling element simultaneously and uses the installation axle to rotate at the helicla flute internal rotation as the center, because the degree of depth of helicla flute reduces gradually from the bottom to the top, consequently, the rolling element can drive the second slider along endwise slip in the helicla flute internal rotation, and then exerts pressure and give two installation lugs of C type clamping ring, makes the breach between two installation lugs reduce to reach the purpose of pressing from both sides the pipe fitting that tightly sets up in C type clamping ring. In the mode, the rolling body is cylindrical or truncated cone-shaped in the operation process, surface contact is replaced by rolling, and compared with the prior art, the rolling device is smoother, the friction force between the first sliding block and the second sliding block of the ejection assembly can be reduced, and the convenience in operation is improved. The utility model discloses press from both sides tight fixing device, the structural design is ingenious, and convenient to use is reliable.

In the above structure of the present embodiment, the rolling element may be cylindrical or truncated cone, and a truncated cone is more preferable. Thus, the truncated cone-shaped rolling body is more convenient to rotate.

In the above-mentioned structure of this embodiment, the helicla flute is the structure that the degree of depth reduces from the bottom to the top gradually, and the inboard and the outside of helicla flute are located same level, and is preferred, and the inboard of helicla flute is slightly less than the outside, and the helicla flute is the high interior low tilt state in outer promptly, and the rolling element of being convenient for rolls in the helicla flute, provides the smooth and easy performance of rolling element.

In the above structure of this embodiment, the wrench has two fixing portions, preferably, the wrench is U-shaped, and more preferably, the middle portion connecting the two fixing portions is bent upward to form an arc.

Preferably, referring to fig. 7, a positioning groove 422 is formed at the top end of the spiral groove, a stop edge 423 is formed between the spiral groove and the positioning groove, and the top surface of the stop edge is an arc surface. Like this, through set up the constant head tank in the top position department of helicla flute to set up the backstop reason between helicla flute and constant head tank, can fix a position the rolling element, the rolling element location corresponds the locking state of C type clamp ring in the constant head tank, can prevent that C type clamp ring from loosening and taking off. The top surface of the stop edge is an arc surface, so that the rolling body can conveniently turn over the stop edge and enter the positioning groove.

Preferably, referring to fig. 7, a positioning plane 425 is formed at the bottom end of the spiral groove, and the spiral groove and the positioning plane are in transition connection through an arc surface. Like this, form the locating plane through the bottom position at the helicla flute, can fix a position the rolling element in the unclamping position, prevent that unclamping position spanner from rocking.

Preferably, referring to fig. 6 and 7, three rolling bodies are provided, three accommodating grooves are circumferentially arranged on a surface of the first slider facing the second slider at intervals, and three spiral grooves are circumferentially arranged on a surface of the second slider facing the first slider at intervals. In this embodiment, three rolling bodies are provided, three accommodating grooves are provided on the first slider, and three spiral grooves are provided on the second slider, but the present invention is not limited thereto, and two, four or more rolling bodies may be provided according to actual needs. And here, the accommodating groove is arranged on the first slider, and the spiral groove is arranged on the second slider, in other embodiments, the spiral groove may be arranged on the first slider on the second slider with the accommodating groove.

Preferably, referring to fig. 6 and 7, the first slider is in a shape of a circular disc, a positioning column 412 is formed on a surface of the first slider facing the fixing portion, a positioning hole 111 is formed on the fixing portion, and the positioning column is inserted into the positioning hole; the second slider is disc-shaped, at least two positioning clamping pins 424 are formed on the surface of the second slider facing the installation lug, positioning clamping grooves 211 corresponding to the positioning clamping pins in a one-to-one mode are formed on the installation lug, and the positioning clamping pins are inserted into the corresponding positioning clamping grooves. Like this, through the grafting of reference column and locating hole, can fix a position first slider on the fixed part of spanner, through the grafting of locator card foot and locator card groove, can fix a position second slider on the installation lug of C type clamp ring. But not limited to, in other embodiments, the first sliding block may be positioned and mounted on the fixing portion of the wrench, and the second sliding block may be positioned and mounted on the mounting lug of the C-shaped clamping ring, so as to implement the function that the first sliding block can be rotated in the axial direction, and implement the function that the second sliding block can only slide in the axial direction but cannot be rotated. More preferably, an annular groove 426 is formed in one surface of the second slider, and the first slider is partially or completely embedded in the annular groove. Through designing into first slider discoid, also design into discoid with the second slider to set up the circular ring groove in the one side of second slider, can inlay the first slider and locate the circular ring inslot of second slider one side, and first slider can rotate by the relative second slider, and is preferred, behind first slider embedding second slider, the lateral surface that best makes first slider and the opening parallel and level in circular ring groove. Therefore, the rolling bodies (such as the balls) can be prevented from sliding out of the accommodating grooves in the clamping position, and the problem of ball serial grooves is solved. And first slider inlays and locates the ring groove of second slider in, has formed a relative confined space, can add more lubricated grease wherein, makes the roll and the rotation of rolling element more smooth and easy, and is difficult to flow from it after the grease melts, has improved the durability of using.

Preferably, referring to fig. 6 and 7, an oil hole 427 is formed on the side wall of the circular groove, and a hole plug is arranged in the oil hole. More preferably, the oil filler point communicates the helicla flute, like this, when pressing from both sides tight quick detach ejecting structure and being applied to the bicycle, when causing lubricating grease to melt and flow out because outdoor insolate, can add lubricating grease to the helicla flute through the oil filler point to improve the lubricity and the durability in use of product.

Preferably, referring to fig. 4, the mounting shaft is a male-female screw, and the two fixing portions, the two mounting lugs, and the ejection assembly between the fixing portions and the mounting lugs are clamped and positioned between two cap portions 31 of the male-female screw. Like this, through primary and secondary screw or primary and secondary bolt or two caps of primary and secondary screw, can realize the function of each part on the pole portion of centre gripping location installation primary and secondary screw, and can adjust the elasticity degree of centre gripping.

Example 2

In the above embodiment 1, the wrench has two fixing portions, and in the embodiment 2, the wrench has one fixing portion, that is, the wrench and the ejector assembly are disposed on one side of the two mounting lugs of the C-shaped clamping ring. The detailed structure is as follows:

a clamping quick-release device comprises a wrench, a C-shaped clamping ring and an installation shaft, wherein two free ends of the C-shaped clamping ring are oppositely arranged to form two installation lugs, a gap is formed between the two installation lugs, the two installation lugs are sleeved in the middle of the installation shaft in a sliding manner, the wrench is provided with a fixing part, and the fixing part is installed at one end of the installation shaft; an ejection assembly is arranged between the fixing part and the adjacent mounting lug and comprises a first sliding block, a second sliding block and at least two rolling bodies, the rolling bodies are cylindrical or truncated cone-shaped, the first sliding block and the second sliding block are sequentially sleeved on the mounting shaft, and the second sliding block is positioned and mounted on the mounting lug or integrally formed with the mounting lug and can slide along the mounting shaft; the first sliding block is positioned and installed on the fixing part or integrally formed with the fixing part, and can rotate relative to the second sliding block and the installation lug under the driving of the wrench; in two opposite surfaces of the first sliding block and the second sliding block, one surface is provided with a containing groove corresponding to the rolling bodies one to one, the other surface is provided with a spiral groove corresponding to the rolling bodies one to one, the rolling bodies are arranged between the corresponding containing grooves and the corresponding spiral grooves, and the first sliding block can drive the rolling bodies to roll and rotate in the spiral grooves by taking the installing shafts as centers under the limit of the containing grooves.

The technical principle of the embodiment 2 is the same as that of the embodiment 1, that is, at least two cylindrical or truncated cone-shaped rolling bodies are arranged between the first sliding block and the second sliding block of the ejection assembly, and the accommodating groove and the spiral groove are arranged on the surface of the first sliding block opposite to the second sliding block, so that the function of rotary ejection of the ejection assembly is realized. Like this, the rolling element is spacing in the storage tank, when rotating the spanner, the spanner can drive first slider and rotate, drives the rolling element simultaneously and uses the installation axle to rotate at the helicla flute internal rotation as the center, because the degree of depth of helicla flute reduces gradually from the bottom to the top, consequently, the rolling element can drive the second slider along endwise slip in the helicla flute internal rotation, and then exerts pressure and give two installation lugs of C type clamping ring, makes the breach between two installation lugs reduce to reach the purpose of pressing from both sides the pipe fitting that tightly sets up in C type clamping ring. In the mode, the rolling body is cylindrical or truncated cone-shaped in the operation process, surface contact is replaced by rolling, and compared with the prior art, the rolling device is smoother, the friction force between the first sliding block and the second sliding block of the ejection assembly can be reduced, and the convenience in operation is improved. The utility model discloses press from both sides tight fixing device, the structural design is ingenious, and convenient to use is reliable.

Preferably, a positioning groove is formed at the top end of the spiral groove, a stop edge is formed between the spiral groove and the positioning groove, and the top surface of the stop edge is an arc surface. Like this, through set up the constant head tank in the top position department of helicla flute to set up the backstop reason between helicla flute and constant head tank, can fix a position the rolling element, the rolling element location corresponds the locking state of C type clamp ring in the constant head tank, can prevent that C type clamp ring from loosening and taking off. The top surface of the stop edge is an arc surface, so that the rolling body can conveniently turn over the stop edge and enter the positioning groove.

Preferably, the accommodating groove is formed in the surface, facing the second slider, of the first slider, and the spiral groove is formed in the surface, facing the first slider, of the second slider.

Preferably, the first sliding block is disc-shaped, a positioning column is formed on the surface of the first sliding block facing the fixing part, a positioning hole is formed on the fixing part, and the positioning column is inserted into the positioning hole; the second slider is disc-shaped, at least two positioning clamping pins are formed on the surface of the second slider facing the installation lug, positioning clamping grooves in one-to-one correspondence with the positioning clamping pins are formed on the installation lug, and the positioning clamping pins are inserted into the corresponding positioning clamping grooves. Like this, through the grafting of reference column and locating hole, can fix a position first slider on the fixed part of spanner, through the grafting of locator card foot and locator card groove, can fix a position second slider on the installation lug of C type clamp ring. But not limited to, in other embodiments, the first sliding block may be positioned and mounted on the fixing portion of the wrench, and the second sliding block may be positioned and mounted on the mounting lug of the C-shaped clamping ring, so as to implement the function that the first sliding block can be rotated in the axial direction, and implement the function that the second sliding block can only slide in the axial direction but cannot be rotated.

Preferably, the mounting shaft is a primary and secondary screw, and the fixing part, the ejection assembly and the two mounting lugs are sequentially clamped and positioned between two cap parts of the primary and secondary screw. Like this, through primary and secondary screw or primary and secondary bolt or two caps of primary and secondary screw, can realize the function of each part on the pole portion of centre gripping location installation primary and secondary screw, and can adjust the elasticity degree of centre gripping.

The utility model discloses press from both sides tight quick detach device's theory of operation as follows:

under the state of relaxing the pipe fitting, the rolling element is in the bottom in helicla flute, the deepest in groove promptly, and at this moment, be close to relatively between first slider and the second slider, the size of C type clamp ring's breach is great relatively, and C type clamp ring does not exert pressure to the pipe fitting. When needs press from both sides tightly, rotate the spanner, the spanner will drive first slider and the storage tank on it rotates, at this moment, the storage tank will drive the rolling element and roll in the helicla flute, because the degree of depth of helicla flute reduces from the bottom gradually to the top, consequently, the rolling element can drive the second slider along endwise slip in the helicla flute internal rotation rolling, and then apply pressure and give two installation lugs of C type clamp ring, make the breach between two installation lugs reduce, when the rolling element rolls to the constant head tank of helicla flute top department in, the pipe fitting can be tightened to C type clamp ring, press from both sides the pipe fitting tightly.

The utility model discloses press from both sides tight quick detach device can be applied to the altitude mixture control of the saddle of bicycle, also can be applied to other needs can the quick clamping or loosen on the pipe fitting centre gripping.

The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.

Claims (10)

1. The utility model provides a press from both sides tight quick detach device which characterized in that: the C-shaped clamping ring comprises a wrench (1), a C-shaped clamping ring (2) and an installation shaft (3), wherein two free ends of the C-shaped clamping ring are oppositely arranged to form two installation lugs (21), a gap (22) is formed between the two installation lugs, the two installation lugs are slidably sleeved in the middle of the installation shaft, the wrench is provided with two fixing parts (11), one fixing part is installed at one end of the installation shaft, and the other fixing part is installed at the other end of the installation shaft; an ejection assembly (4) is arranged between one fixing part and the adjacent mounting lug or ejection assemblies (4) are arranged between two fixing parts and the adjacent mounting lug, each ejection assembly comprises a first sliding block (41), a second sliding block (42) and at least two rolling bodies (43), each rolling body is cylindrical or truncated cone-shaped, the first sliding blocks and the second sliding blocks are sequentially sleeved on the mounting shafts, and the second sliding blocks are positioned and mounted on the mounting lugs or integrally formed with the mounting lugs and can slide along the mounting shafts; the first sliding block is positioned and installed on the fixing part or integrally formed with the fixing part, and can rotate relative to the second sliding block and the installation lug under the driving of the wrench; in two opposite faces of the first sliding block and the second sliding block, one face of the first sliding block is provided with a containing groove (411) corresponding to the rolling bodies one to one, the other face of the first sliding block is provided with a spiral groove (421) corresponding to the rolling bodies one to one, the rolling bodies are arranged between the corresponding containing grooves and the corresponding spiral grooves, and the first sliding block can drive the rolling bodies to roll and rotate in the spiral grooves by taking the mounting shafts as centers.

2. The clamping quick release device of claim 1, wherein: a positioning groove (422) is formed at the top end of the spiral groove, a stop edge (423) is formed between the spiral groove and the positioning groove, and the top surface of the stop edge is an arc surface.

3. The clamping quick release device of claim 1, wherein: the three rolling bodies are arranged, the surface of the first sliding block facing the second sliding block is provided with three accommodating grooves at intervals along the circumferential direction, and the surface of the second sliding block facing the first sliding block is provided with three spiral grooves at intervals along the circumferential direction.

4. The clamping quick release device of claim 1, wherein: the first sliding block is disc-shaped, a positioning column (412) is formed on the surface, facing the fixing part, of the first sliding block, a positioning hole (111) is formed in the fixing part, and the positioning column is inserted into the positioning hole; the second slider is disc-shaped, the second slider is formed with two at least location card feet (424) towards on the face of installation lug, be formed with on the installation lug with location card foot one-to-one's location draw-in groove (211), the location card foot is inserted and is arranged in the location draw-in groove that corresponds.

5. The clamping quick release device of claim 1, wherein: the mounting shaft is a primary and secondary screw, and the two fixing parts, the two mounting lugs and the ejection assembly between the fixing parts and the mounting lugs are clamped and positioned between two cap parts (31) of the primary and secondary screw.

6. The utility model provides a press from both sides tight quick detach device which characterized in that: the C-shaped clamping ring comprises a wrench, a C-shaped clamping ring and an installation shaft, wherein two free ends of the C-shaped clamping ring are oppositely arranged to form two installation lugs, a gap is formed between the two installation lugs, the two installation lugs are sleeved in the middle of the installation shaft in a sliding mode, the wrench is provided with a fixing portion, and the fixing portion is installed at one end of the installation shaft; an ejection assembly is arranged between the fixing part and the adjacent mounting lug and comprises a first sliding block, a second sliding block and at least two rolling bodies, the rolling bodies are cylindrical or truncated cone-shaped, the first sliding block and the second sliding block are sequentially sleeved on the mounting shaft, and the second sliding block is positioned and mounted on the mounting lug or integrally formed with the mounting lug and can slide along the mounting shaft; the first sliding block is positioned and installed on the fixing part or integrally formed with the fixing part, and can rotate relative to the second sliding block and the installation lug under the driving of the wrench; in two opposite surfaces of the first sliding block and the second sliding block, one surface is provided with a containing groove corresponding to the rolling bodies one to one, the other surface is provided with a spiral groove corresponding to the rolling bodies one to one, the rolling bodies are arranged between the corresponding containing grooves and the corresponding spiral grooves, and the first sliding block can drive the rolling bodies to roll and rotate in the spiral grooves by taking the installing shafts as centers under the limit of the containing grooves.

7. The clamping quick release device of claim 6, wherein: the top end of the spiral groove is provided with a positioning groove, a stop edge is formed between the spiral groove and the positioning groove, and the top surface of the stop edge is an arc surface.

8. The clamping quick release device of claim 6, wherein: the surface of the first sliding block facing the second sliding block is provided with the accommodating groove, and the surface of the second sliding block facing the first sliding block is provided with the spiral groove.

9. The clamping quick release device of claim 6, wherein: the first sliding block is disc-shaped, a positioning column is formed on the surface, facing the fixing part, of the first sliding block, a positioning hole is formed in the fixing part, and the positioning column is inserted into the positioning hole; the second slider is disc-shaped, at least two positioning clamping pins are formed on the surface of the second slider facing the installation lug, positioning clamping grooves in one-to-one correspondence with the positioning clamping pins are formed on the installation lug, and the positioning clamping pins are inserted into the corresponding positioning clamping grooves.

10. The clamping quick release device of claim 6, wherein: the mounting shaft is a primary and secondary screw, and the fixing part, the ejection assembly and the two mounting lugs are sequentially clamped and positioned between two cap parts of the primary and secondary screw.

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