阅读说明：本技术 便携机械式气动夹具 (Portable mechanical pneumatic clamp ) 是由 陈星� 李微 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种便携机械式气动夹具,包括可吸附待夹持件的气夹头,与气夹头连接用于向气夹头供气或泄气从而使气夹头与待夹持件吸附或解吸附的气动机构,所述气动机构包括气缸组件、与气缸组件啮合用于拨动气缸做往复运动的拨动机构。本发明利用气动机构与气夹头的配合作用,在无气泵的情况下,仍可以通过机械运动实现夹具的夹取；利用棘轮运动机构实现气缸组件的往复运动,以实现对气夹头的供气和泄气,继而实现夹取工作；本发明的拨动爪、把手、拨杆及齿轮齿条的相互配合,实现齿轮的正反运动,并依靠齿轮与气缸组件上的齿条的啮合作用,便利的实现气缸组件的往复运动；本发明结构简单、成本低、使用方便。(The invention discloses a portable mechanical pneumatic clamp which comprises an air chuck capable of adsorbing a to-be-clamped piece and a pneumatic mechanism connected with the air chuck and used for supplying air or releasing air to the air chuck so as to enable the air chuck and the to-be-clamped piece to be adsorbed or desorbed. The clamping of the clamp can be realized through mechanical movement under the condition of no air pump by utilizing the matching action of the pneumatic mechanism and the air chuck; the reciprocating motion of the cylinder assembly is realized by utilizing the ratchet wheel motion mechanism so as to realize the air supply and air release of the air chuck and further realize the clamping work; the poking claw, the handle, the poking rod and the gear rack are mutually matched to realize the forward and backward movement of the gear, and the reciprocating movement of the cylinder assembly is conveniently realized by means of the meshing action of the gear and the rack on the cylinder assembly; the invention has simple structure, low cost and convenient use.)

1. The utility model provides a portable mechanical type pneumatic fixture, its characterized in that, is used for making gas chuck (3) and pneumatic mechanism (4) of waiting that holder (5) adsorbs or desorb including adsorbable gas chuck (3) of waiting holder (5), thereby be connected with gas chuck (3) and be used for to gas chuck (3) air feed or lose heart, pneumatic mechanism (4) include the cylinder subassembly, be used for stirring the cylinder with the cylinder subassembly meshing and be used for stirring the toggle mechanism that the cylinder was reciprocating motion.

2. The portable mechanical pneumatic clamp of claim 1, wherein the toggle mechanism comprises a rack disposed on the cylinder assembly, a gear (43) engaged with the rack, and a toggle member (44) that toggles the gear (43) to rotate.

3. The portable mechanical pneumatic clamp of claim 2, wherein the toggle member (44) is a ratcheting mechanism.

4. Portable mechanical pneumatic clamp according to claim 2, wherein the toggle member (44) comprises a toggle claw (441) engaging with the gear (43), a handle (443) fixedly connected to the toggle claw (441) and rotatable, and a toggle lever (464) movable relative to the handle (443) for moving the toggle claw (441).

5. The portable mechanical pneumatic clamp of claim 4, further comprising a spring (45) disposed between the toggle claw (441) and the toggle lever (464) for resetting the toggle claw (441) after toggling.

6. The portable mechanical pneumatic clamp of claim 4, wherein the poking claw (441) and the handle (443) are provided with two opposite poking claws, the poking rod (464) is provided between the two handles (443), and the two handles (443) and the poking rod (464) respectively form relative motion for controlling the gear (43) to rotate in two opposite directions so as to realize the reciprocating motion of the cylinder assembly.

7. The portable mechanical pneumatic clamp of claim 1, wherein the cylinder assembly comprises a cylinder (41), a piston disposed in the cylinder (41), and a connecting rod on the piston is connected to a toggle mechanism to control the reciprocating motion of the piston.

8. The portable mechanical pneumatic clamp according to claim 1, wherein the air chuck (3) comprises a carrying tube (32) provided with a through hole, and an air bubble (33) arranged in the carrying tube (32), wherein the air bubble (33) passes through the through hole to be adsorbed and desorbed with the member to be clamped (5) under the air supply and release of the pneumatic assembly.

9. Portable mechanical pneumatic clamp according to claim 1, wherein a connection tube (2) for gas transport is provided between the gas cartridge (3) and the cylinder assembly, the connection tube (2) comprising a flexible inner tube as a gas passage and a flexible outer tube as a connection and support.

10. Portable mechanical pneumatic clamp according to claim 1, wherein the pneumatic mechanism (4) is provided with a handle (1) for easy access.

Technical Field

The invention relates to a universal clamping tool, in particular to a portable mechanical pneumatic clamp.

Background

In daily life work, it is common activity to carry out quick object removal through the instrument, and pneumatic tool is the mode of commonly using, and pneumatic tool all needs the support of gas compression pump usually, and the noise of air pump and the requirement of space have restricted the application range of instrument, also can't use in the place that does not have the power in the field, and it has practical application meaning to design a clamping transfer tool that pneumatic force is provided by the mechanical form and utilize the nature that gas can make the elastic object bump the shrink to realize clamping and relaxing to this design.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a portable mechanical pneumatic clamp which can still clamp without being supported by an air pump.

The technical scheme is as follows: the invention relates to a portable mechanical pneumatic clamp which comprises an air chuck capable of adsorbing a to-be-clamped piece and a pneumatic mechanism connected with the air chuck and used for supplying air or releasing air to the air chuck so as to enable the air chuck and the to-be-clamped piece to be adsorbed or desorbed.

The toggle mechanism comprises a rack arranged on the air cylinder assembly, a gear meshed with the rack and a toggle piece for toggling the gear to rotate.

Wherein, the poking piece is a ratchet wheel motion mechanism.

The poking part comprises a poking claw engaged with the gear, a handle fixedly connected with the poking claw and capable of rotating, and a poking rod capable of moving relative to the handle to drive the poking claw to move.

The poking piece further comprises a spring which is arranged between the poking claw and the poking rod and used for enabling the poking claw to reset after poking.

The shifting claw is provided with two opposite handles, the two handles are provided with two opposite handles, the shifting rod is arranged between the two handles, and the two handles and the shifting rod respectively form relative motion to control the gear to rotate along two opposite directions so as to realize the reciprocating motion of the air cylinder assembly.

The cylinder assembly comprises a cylinder body and a piston arranged in the cylinder body, and a connecting rod on the piston is connected with a shifting mechanism so as to control the reciprocating motion of the piston.

The air chuck comprises a bearing pipe provided with a through hole, and air bubbles arranged in the bearing pipe, wherein the air bubbles are adsorbed and desorbed with the to-be-clamped piece through the through hole under the air supply and release of the pneumatic assembly; wherein the air bubbles are high-elasticity air bubbles. The air chuck is in various specifications, namely the diameters of the bearing pipes are different in size so as to be suitable for different clamping pieces, and the proper specification is selected and matched according to the requirements when the air chuck is used.

And a connecting pipe for conveying gas is arranged between the gas chuck and the cylinder assembly, and the connecting pipe comprises a flexible inner pipe used as a gas channel and a bendable outer pipe used for connecting and supporting. The connecting pipe can be bent into different states according to space requirements; the connecting pipe is respectively connected with the air chuck and the pneumatic mechanism through threads.

Wherein, the pneumatic mechanism is provided with a handle which is convenient for taking and placing; the handle includes grab handle and go-between, and the handle passes through the go-between to install at pneumatic mechanism outside to realize fixing through the brake screw, the handle can carry out circumferential position as required and change.

Has the advantages that: compared with the prior art, the invention has the following remarkable effects: 1. by utilizing the matching action of the pneumatic mechanism and the air chuck, the clamping of the clamp can be realized through mechanical movement under the condition of no air pump; 2. The reciprocating motion of the cylinder assembly is realized by utilizing the ratchet wheel motion mechanism so as to realize the air supply and air release of the air chuck and further realize the clamping work; 3. the poking claw, the handle, the poking rod and the gear rack are mutually matched to realize the forward and backward movement of the gear, and the reciprocating movement of the cylinder assembly is conveniently realized by means of the meshing action of the gear and the rack on the cylinder assembly. 4. The invention has simple structure, low cost and convenient use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the gas chuck of the present invention;

FIG. 3 is a schematic view of the external structure of the pneumatic mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the pneumatic mechanism of the present invention;

FIG. 5 is a schematic structural view of the toggle member of the present invention;

FIG. 6 is a schematic view of the driving lever assembly of the present invention;

fig. 7 is a structural view of the handle of the present invention.

Detailed Description

The present invention is described in further detail below.

As shown in fig. 1, the present invention provides a portable mechanical pneumatic clamp, which comprises a handle 1, a connecting pipe 2, a pneumatic clamp head 3, and a pneumatic mechanism 4.

As shown in FIG. 2, the air chuck 3 comprises a carrying tube 32 with a through hole, a high elasticity bubble 33 is placed in the carrying tube 32, the air chuck 3 has various specifications, that is, the diameter of the carrying tube 32 is different in size to adapt to different clamping hole slots on the to-be-clamped piece 5, and the specification is selected according to the requirement when in use. The gas cartridge 3 is connected to the connection pipe 2 by a screw 31. The connecting pipe 2 is a pipe capable of being bent at will and is respectively connected with the air clamp 3 and the pneumatic mechanism 4 through threads. The connecting pipe 2 consists of a flexible inner pipe and a bendable outer pipe, the outer pipe is connected and supported, and the inner pipe is a gas channel; the connecting pipe 2 can be bent to different states according to space requirements.

As shown in fig. 3 to 6, the pneumatic mechanism 4 includes a cylinder assembly, and a toggle mechanism engaged with the cylinder assembly for toggling the cylinder to reciprocate.

The cylinder assembly comprises a cylinder connector 411, a cylinder body 412, a piston 47 and a cylinder cover 48. The piston 47 includes a T-shaped structure composed of a plug and a connecting rod, a rack is arranged on a cylindrical surface on one side of the connecting rod, and the piston 47 is placed in the cylinder 412 and can do linear reciprocating motion.

The toggle mechanism comprises a mounting box 42 fixed with the cylinder assembly, the bottom end of the mounting box 42 is provided with a mounting groove 423, and the upper part of the mounting box is provided with a gear connecting hole 421 and a toggle piece connecting hole 422; the gear 43 is fixed in the mounting box 42 through a pin shaft, the gear 43 is meshed with a rack on the cylinder assembly, and the gear fixing device further comprises a toggle piece for toggling the gear to rotate. The toggle mechanism can realize the action of forward and reverse rotation of the gear 43, the gear 43 rotates to drive the rack to do linear reciprocating motion, and the rack drives the piston 47 to do linear reciprocating motion in the cylinder body 412, so that the air supply and air release actions of the air chuck 3 are realized.

As shown in fig. 5, the toggle member 44 includes a U-shaped bracket fixed in the mounting box by a pin, two toggle claws 441 in pair are fixed at the top end of the U-shaped bracket and engaged with the gear, and two struts of the U-shaped bracket serve as two handles 443. As shown in fig. 6, the mounting structure further includes a shift lever assembly 46 disposed in the mounting box 42 through a screw, the shift lever assembly 46 includes a connecting plate 462 having two through slots, a shift lever 464 is fixed on the connecting plate 462 to form a T-shaped structure, two support rods of the U-shaped bracket are respectively inserted into the shift lever 464 correspondingly, two spring pin shafts 461 are fixed on the connecting plate 462, two spring pin shafts 444 are correspondingly disposed on the U-shaped bracket, and two compression springs 45 are respectively fixed between the shifting member 44 and the fixing member 46 through the spring pin shafts. The two handles 443 respectively form relative movement with the poking rod 464, one of the handles 443 is pinched to rotate the poking part 44 around the pin shaft, the poking claw 441 is driven to move, the poking claw 441 pushes the gear 43 to rotate intermittently and step by step, and the poking part 44 returns to the original position under the action of the spring 45 after being pinched each time.

As shown in fig. 7, the handle 1 includes a grip 11 and a connection ring 12, the handle 1 is mounted outside the cylinder connector 411 and the connection pipe 2 through the connection ring 12, and is fixed by a brake screw, and the handle 1 can be circumferentially changed as required.

The working process is as follows: the air chuck 3 is placed in a clamping hole of a piece to be clamped 5, one of the handles 443 is pinched, the gear 43 rotates, the gear 43 drives the rack to move, the rack drives the piston 47 to move to supply air to the air chuck 3, air bubbles 33 in the air chuck 3 expand and overflow through a through hole in the outer wall of the bearing pipe 32, are tightly contacted with the clamping hole of the piece to be clamped and are integrated with the piece to be clamped 5, and the clamping purpose is achieved; when the air chuck is required to be loosened, the handle 443 is pinched to move in the opposite direction, the gear 43 rotates in the opposite direction, the rack drives the piston 47 to move in the opposite direction to pump out the air in the air chuck 3, the air bubbles 33 in the air chuck 3 are deflated and retract into the bearing pipe 32, and the air chuck 3 is separated from the clamping piece 5.