CN213917896U

CN213917896U - Easy-to-assemble clamping and fixing device

Info

Publication number: CN213917896U
Application number: CN202022839351.5U
Authority: CN
Inventors: 郑红宇
Original assignee: Kunshan Jinghongli Hardware Technology Co ltd
Current assignee: Kunshan Jinghongli Hardware Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-10
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an easy assembly presss from both sides tight fixing device, including embracing tight circle and spanner, it is provided with two free ends and forms two connection lugs relatively to embrace tight circle, correspond on the spanner connection lug is provided with two connecting portion, connecting portion with it rotates to connect the lug and connects, connecting portion with install ejection mechanism between the connection lug, ejection mechanism includes slider and cam piece, cam piece fixed mounting is in on the connection lug, the cam piece orientation slider one side is provided with ejecting boss, slider fixed mounting is in on the connecting portion, the slider orientation cam piece one side is provided with the helicla flute, the helicla flute has different first end and the second end of depth of flute, the helicla flute increases from its first end to its second end depth of depth gradually. The utility model relates to an easy assembly presss from both sides tight fixing device uses spare part few, reduces the cost input, and easily assembly improves production efficiency.

Description

Easy-to-assemble clamping and fixing device

Technical Field

The utility model relates to a clamping device technical field, in particular to easy assembly presss from both sides tight fixing device.

Background

The clamping and fixing device is generally used for clamping and fixing two telescopic rod-shaped or tubular components, when the device is clamped, the relative position between the two components is fixed, and when the device is loosened, the two components can move relatively to adjust the position, so that the device is widely applied to telescopic pipe fittings of bicycles, electric bicycles and the like to realize the quick adjustment of the height of the seat.

The existing clamping and fixing device generally uses more parts and complex structure, so that the assembly is complicated, time is consumed, the cost is high, and the production efficiency is low; and adopt the steel ball mostly between current spanner and the clamping ring to reduce the frictional force between it, easily cause the part to lose during the maintenance, be not convenient for maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that an easy assembly presss from both sides tight fixing device is provided to overcome prior art and press from both sides the defect that tight fixing device structure is complicated, production efficiency is low, with high costs, be not convenient for maintain.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: an easy-to-assemble clamping fixture comprising: the clamping ring is provided with two free ends oppositely to form two connecting lugs, the wrench is provided with two connecting parts corresponding to the connecting lugs, the connecting parts are rotatably connected with the connecting lugs, an ejection mechanism is arranged between the connecting parts and the connecting lugs and comprises a slider and a cam block rotatably connected with the slider, the cam block is fixedly arranged on the connecting lugs, one side of the cam block, facing the slider, is provided with at least one ejection boss, the slider is fixedly arranged on the connecting parts, one side of the slider, facing the cam block, is provided with a spiral groove matched with the ejection boss, the spiral groove is provided with a first end and a second end which have different groove depths, and the depth of the spiral groove is gradually increased from the first end to the second end; when the connecting lug is clamped, the wrench is pressed downwards, and the ejection boss slides from the second end to the first end of the spiral groove, so that the distance between the two connecting lugs is reduced.

As a further improvement, the cam block is provided with two around the central axis symmetry ejecting boss, the helicla flute correspondence is provided with two, two the helicla flute head and tail end links to each other, and all is provided with the backstop reason in head and tail end junction.

As a further improvement of the present invention, two of the helical grooves are arranged around the rotation axis of the wrench.

As a further improvement of the utility model, two install between the connecting portion to the lock screw, two it is in to connect the lug to rotate the suit on the lock screw.

As a further improvement, two the connecting lug outside all is provided with positioning groove, be provided with on the cam piece with positioning groove matches's location boss.

As a further improvement, the slider with be provided with stop gear between the connecting portion, stop gear is for setting up the hexagonal boss and the setting of slider one side are in the spacing hole of interior hexagonal of connecting portion.

As a further improvement, the clasping ring is made of metal and has elastic deformation capacity, so that the two clasping rings can be connected with the connecting lugs in opposite directions.

The utility model has the advantages that: the utility model provides an easy assembly presss from both sides tight fixing device, through installing ejection mechanism between embracing tight circle and spanner, install the cam piece on embracing tight circle, the slider is installed on the spanner, and be provided with the helicla flute that one end groove depth degree crescent to the other end on the slider, it rotates to drive the slider through rotatory spanner, make ejecting boss on the cam piece slide at the helicla flute, two connection lugs that make to embrace tight circle are close to each other or keep away from, and then realize embracing tight circle and press from both sides tightly or loosen the process, reasonable in design is ingenious, fine clamping effect has, use spare part few, reduce the cost and drop into, easily assembly, and the production efficiency is improved, and easy maintenance.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of the slider of the present invention;

fig. 4 is a perspective view of the slider of the present invention from another view angle;

fig. 5 is a cross-sectional view of the slider of the present invention;

FIG. 6 is a perspective view of the cam block of the present invention;

fig. 7 is a perspective view of the wrench of the present invention.

The following description is made with reference to the accompanying drawings:

1-a holding ring; 101-connecting lugs;

102-positioning groove; 2-a wrench;

201-connecting part; 202-inner hexagonal limiting hole;

3-a slide block; 301-helical groove;

302-stop edge; 303-hexagonal boss;

4-cam block; 401 — ejecting boss;

402-positioning boss; 5-locking screw;

501-female nail; 502-sub-nail.

Detailed Description

The following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.

Referring to fig. 1 to 7, the utility model provides an easy assembly presss from both sides tight fixing device, including embracing tight ring 1 and spanner 2, embracing tight ring 1 and being provided with two free ends of two free ends relatively and forming two connecting lugs 101, forming adjustable interval between two connecting lugs 101, two connecting lugs 101 are close to each other or keep away from and are used for realizing embracing tight ring 1 and press from both sides tightly or loosen the process. Two connecting parts 201 are arranged on the wrench 2 corresponding to the connecting lugs 101, the two connecting parts 201 are respectively positioned at the outer sides of the corresponding connecting lugs 101, and the connecting parts 201 are rotatably connected with the connecting lugs 101. A locking screw 5 is arranged between the two connecting parts 201, and the two connecting lugs 101 are rotatably sleeved on the locking screw 5. To locking screw 5 including female nail 501 and sub-nail 502, female nail 501 is used for spanner 2 to rotate for embracing tight ring 1 as the round pin axle, and female nail 501's one end is provided with spacing portion, and spacing portion keeps out on the connecting portion 201 of one side, and female nail 501's the other end is provided with the screw, and sub-nail 502 threaded connection is in the screw to it is spacing on the connecting portion 201 of opposite side.

Referring to fig. 2, 4 and 6, an ejection mechanism is installed between the connecting portion 201 and the connecting lug 101, the ejection mechanism includes a slider 3 and a cam block 4 rotatably connected to the slider 3, and both the slider 3 and the cam block 4 are rotatably sleeved on the female nail 501. The cam block 4 is fixedly installed on the connecting lug 101, two ejecting bosses 401 are arranged on one side, facing the sliding block 3, of the cam block 4, and the two ejecting bosses 401 are symmetrically distributed around the central axis of the cam block 4. Slider 3 fixed mounting is on connecting portion 201, and slider 3 is provided with spiral groove 301 with ejecting boss 401 cooperation use towards cam block 4 one side, and spiral groove 301 corresponds and is provided with two, and two spiral grooves 301 arrange around spanner 2's axis of rotation, and two spiral grooves 301 end to all be provided with backstop edge 302 in end to end junction, backstop edge 302 has the backstop effect to ejecting boss 401. The spiral groove 301 has a first end and a second end having different groove depths, the spiral groove 301 increasing in depth from the first end to the second end thereof.

Referring to fig. 2 and 6, the outer sides of the two connecting lugs 101 are both provided with a positioning groove 102, one side of the cam block 4, which is opposite to the connecting lug 101, is provided with a positioning boss 402 matched with the positioning groove 102, the positioning boss 402 of the cam block 4 is placed along the positioning groove 102, so that the cam block 4 is quickly mounted on the connecting lug 101, and the cam block 4 and the clasping ring 1 are relatively fixed.

Referring to fig. 5 and 7, a limiting mechanism is arranged between the slider 3 and the connecting portion 201, the limiting mechanism is a hexagonal boss 303 arranged on one side of the slider 3 and an inner hexagonal limiting hole 202 arranged in the connecting portion 201, the hexagonal boss 303 of the slider 3 is placed along the inner hexagonal limiting hole 202, the slider 3 is rapidly installed on the connecting portion 201, and the wrench 2 can drive the slider 3 to rotate synchronously. Of course, the limiting mechanism is not limited to this, and the wrench 2 can drive the sliding block 3 to rotate synchronously.

The clasping ring 1 is made of metal and has elastic deformation capability, so that the two connecting lugs 101 have opposite tension.

Further explaining the embodiment, the clasping ring 1 has two states of clamping and unclamping, during the clamping action, the wrench 2 is pressed down, the sliding block 3 rotates along with the wrench, the ejection boss 401 slides from the second end of the spiral groove 301 to the first end and abuts against the stop edge 302, the two cam blocks 4 respectively drive the two connecting lugs 101 to move relatively, the distance between the two connecting lugs 101 is reduced, and the clasping ring 1 is in the clamping state; when the wrench 2 is lifted up, the sliding block 3 rotates along with the wrench, the ejection boss 401 slides from the first end to the second end of the spiral groove 301 and abuts against the stop edge 302, and the two cam blocks 4 are driven to move oppositely under the action of the elastic force of the two connecting lugs 101, so that the distance between the two connecting lugs 101 is increased, and the clasping ring 1 is in a unclamped state.

Therefore, the utility model relates to an easy assembly presss from both sides fastening fixing device, through installing ejection mechanism between enclasping circle and spanner, install the cam piece on enclasping circle, the slider is installed on the spanner, and be provided with the helicla flute that one end groove depth increases gradually to the other end on the slider, it rotates to drive the slider through rotatory spanner, make ejecting boss on the cam piece slide at the helicla flute, make two connection lugs of enclasping circle be close to each other or keep away from, and then realize enclasping circle and press from both sides tightly or loosen the process, reasonable in design is ingenious, fine clamping effect has, use spare part is few, reduce the cost input, easily assembly, and the production efficiency is improved, and easy to maintain.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an easy assembly presss from both sides tight fixing device, includes cohesion ring (1) and spanner (2), cohesion ring (1) is provided with two free ends relatively and forms two connecting lug (101), spanner (2) are last to be corresponded connecting lug (101) are provided with two connecting portion (201), connecting portion (201) with connecting lug (101) rotate to be connected its characterized in that: an ejection mechanism is arranged between the connecting part (201) and the connecting lug (101), the ejection mechanism comprises a sliding block (3) and a cam block (4) rotatably connected with the sliding block (3), the cam block (4) is fixedly arranged on the connecting lug (101), at least one ejection boss (401) is arranged on one side, facing the sliding block (3), of the cam block (4), the sliding block (3) is fixedly arranged on the connecting part (201), a spiral groove (301) matched with the ejection boss (401) is arranged on one side, facing the cam block (4), of the sliding block (3), the spiral groove (301) is provided with a first end and a second end which are different in groove depth, and the depth of the spiral groove (301) is gradually increased from the first end to the second end; when the connecting lug (101) is clamped, the wrench (2) is pressed downwards, the ejection boss (401) slides from the second end to the first end of the spiral groove (301), and the distance between the two connecting lugs (101) is reduced.

2. The easy-to-assemble clamping fixture of claim 1, wherein: the cam block (4) is symmetrically provided with two around the central axis ejecting bosses (401), the spiral grooves (301) are correspondingly provided with two ends, two ends of the spiral grooves (301) are connected, and stopping edges (302) are arranged at the joints of the ends.

3. The easy-to-assemble clamping fixture of claim 2, wherein: the two helical grooves (301) are arranged around the axis of rotation of the wrench (2).

4. The easy-to-assemble clamping fixture of claim 1, wherein: two install between connecting portion (201) to locking screw (5), two connect lug (101) to rotate the suit on locking screw (5).

5. The easy-to-assemble clamping fixture of claim 1, wherein: positioning grooves (102) are formed in the outer sides of the two connecting lugs (101), and positioning bosses (402) matched with the positioning grooves (102) are arranged on the cam block (4).

6. The easy-to-assemble clamping fixture of claim 1, wherein: the limiting mechanism is arranged between the sliding block (3) and the connecting portion (201), and the limiting mechanism is a hexagonal boss (303) arranged on one side of the sliding block (3) and an inner hexagonal limiting hole (202) arranged in the connecting portion (201).

7. The easy-to-assemble clamping fixture of claim 1, wherein: the clasping ring (1) is made of metal and has elastic deformation capacity, so that the two connecting lugs (101) have opposite tension.