CN217801155U - Pliers for clamping square crucible - Google Patents

Abstract

The utility model discloses a pliers for pressing from both sides get square crucible relates to and gets crucible technical field, including the tong pole, two the tong pole middle part is passed through the axis of rotation and is connected, the left side lower extreme fixedly connected with fixed plate, the right side of tong pole the tong pole includes the shell, shell right side top is provided with the gasbag, rubber tube and inflator pump intercommunication are passed through in the gasbag left side, carry out the power limitation to the gear through the power limitation device, make adjustable jaw's position can not change at will again, realized that pliers press from both sides the stability of getting the process, through pressing the adjustable jaw hour hand rotation of gasbag bevel gear B rather than being connected, realized can adjusting jaw according to the inclination of crucible, when the experiment finishes, put down the pliers gasbag and will resume the former state, the pressure in the inflator pump also can diminish, the piston also can get back to original position because of spring to make adjustable jaw income tong pole, be convenient for next use.

Description

Pliers for clamping square crucible

Technical Field

The utility model relates to a press from both sides and get crucible technical field, specifically be a pliers for pressing from both sides and get square crucible.

Background

The square crucible is generally used in a muffle furnace for high-temperature experiments, and is clamped by crucible tongs in the experiment process, and the crucible tongs commonly used at present are clamped at the side position of the square crucible, so that the clamping has some defects.

The jaw of a common crucible clamp is difficult to adapt to the inclination angle of the side face of the crucible, and the clamping process is easy to shake or even slide due to uneven stress, so that the experiment efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a pliers for pressing from both sides get square crucible has solved the problem of proposing in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a pliers for pressing from both sides and get square crucible, includes the tong pole, two the tong pole middle part is passed through the axis of rotation and is rotated the connection, the left side lower extreme fixedly connected with fixed plate, the right side of tong pole include the shell, shell right side top is provided with the gasbag, the gasbag left side is passed through rubber tube and inflator pump intercommunication, the inside and piston sliding connection of inflator pump, piston lower extreme fixedly connected with rack bar, the opening and the inflator pump sliding connection that rack bar was seted up through the inflator pump below, rack bar lower extreme and gear engagement, the gear is connected in the shell with bevel gear A coaxial rotation, the gear left side is provided with the limit force device, bevel gear A lower extreme and bevel gear B meshing, the dwang and the adjustable fixed connection of keeping silent of bevel gear B lower extreme, adjustable keeping silent is connected with the shell rotation.

Preferably, the upper part of the piston is connected with the inner part of the inflator through a spring.

Preferably, the force limiting device comprises a shell, the shell is connected with a force limiting rod in a sliding mode, and the left end of the force limiting rod is connected with the shell through a spring.

Preferably, the lower end of the right side clamp rod is provided with a quarter-circle notch.

Preferably, a closed space is arranged above the piston.

Preferably, the clamp lever is Z-like shaped.

The utility model provides a pair of pliers for clamping square crucible. The method has the following beneficial effects:

(1) This pliers for getting square crucible carries out the limit force to the gear through setting up the limit force device, after the pliers fixes the crucible, exerts pressure to the gasbag again, because the effect of limit force pole, the rotation of gear has received the resistance, so the motion of piston also receives the resistance to make the position of adjustable keeping silent can not take place the change at will again, realized the pliers and got the stability of process.

(2) This pliers for pressing from both sides and getting square crucible is through setting up the gasbag, press down the gasbag and make the inside pressure increase of inflator pump 102 and then promote the piston and move down, simultaneously rather than the rack bar downstream drive gear and bevel gear A clockwise rotation that are connected, and then drive bevel gear B and the adjustable nipper hour hand that is connected and rotate, thereby realized can adjusting keeping silent according to the inclination of crucible, when the experiment finishes, put down the pliers gasbag and will resume the former state, the pressure in the inflator pump also can diminish, the piston also can get back to original position because of the spring, thereby make adjustable nipper income tong pole, be convenient for use next time.

Drawings

Fig. 1 is a schematic structural view of a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of a cross-sectional view of the clamp bar of the present invention;

fig. 3 is a schematic structural view of the jaw of the present invention.

In the figure: 1. a clamp rod; 101. a housing; 102. an inflator; 103. a piston; 104. a bevel gear A; 105. a force limiting device; 106. a bevel gear B; 107. a gear; 108. a rack bar; 2. a rotating shaft; 3. an air bag; 4. the jaw can be adjusted; 5. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pair of pliers for clamping a square crucible comprises two pliers rods 1, wherein the two pliers rods 1 are Z-like in shape and relatively accord with the characteristics of pliers, the middle parts of the two pliers rods 1 are rotatably connected through a rotating shaft 2, the lower end of the left side of the two pliers rods 1 is fixedly connected with a fixing plate 5, the lower end of the right side of the two pliers rods 1 is provided with a quarter-circle notch, in order to be matched with an adjustable jaw, the right side of the pliers rod 1 comprises a shell 101, an air bag 3 is arranged above the right side of the shell 101, the left side of the air bag 3 is communicated with an inflator 102 through a rubber tube, the inside of the inflator 102 is in sliding connection with a piston 103, the upper part of the piston 103 is connected with the inside of the inflator 102 through a spring, the piston 103 can return to the initial position, the lower end of the piston 103 is fixedly connected with a rack rod 108, the upper part of the piston 103 is a closed space, and the pressure above the piston 103 is increased by increasing the density of air above the piston 103, a rack rod 108 is connected with the inflator 102 in a sliding way through an opening arranged below the inflator 102, the lower end of the rack rod 108 is meshed with a gear 107, the gear 107 and a bevel gear A104 are coaxially and rotatably connected with the shell 101, a force limiting device 105 is arranged on the left side of the gear 107, the force limiting device 105 comprises a shell, the shell is connected with the force limiting rod in a sliding way, the left end of the force limiting rod is connected with the shell through a spring, the gear 107 is limited through the force limiting device 105, after a crucible is fixed by pliers, the air bag 3 is pressurized, and due to the action of the force limiting rod, the rotation of the gear 107 is subjected to resistance, so that the movement of the piston 103 is also subjected to resistance, the position of the adjustable jaw 4 cannot be changed at will, the clamping process of the pliers is stable, the lower end of the bevel gear A104 is meshed with the bevel gear B106, a rotating rod at the lower end of the bevel gear B106 is fixedly connected with the adjustable jaw 4, and the adjustable jaw 4 is rotatably connected with the shell 101, through setting up gasbag 3, press down gasbag 3 and make the inside pressure increase of inflator pump 102 and then promote piston 103 and move down, rack bar 108 downstream drive gear 107 and bevel gear A104 clockwise rotation connected with it simultaneously, and then drive bevel gear B106 and the adjustable 4 hour rotations of keeping silent connected with it, thereby realized can adjusting the angle of keeping silent according to the inclination of crucible, when the experiment is ended, put down pliers gasbag 3 and will resume the former state, the pressure in inflator pump 102 also can diminish, piston 103 also can be because the spring gets back to original position, thereby make adjustable 4 income nipper arms 1 of keeping silent, be convenient for use next time.

The working principle is as follows: when the pliers are used, the jaws are arranged above a square crucible to be clamped, the pliers are controlled to clamp the fixing plate 5 of the right jaw at the outer edge of the crucible, the left jaw is clamped at the inner edge of the crucible, then the air bag 3 is pressed through the pliers to increase the internal pressure of the inflator 102 and further push the piston 103 to move downwards, meanwhile, the rack rod 108 connected with the pliers moves downwards to drive the gear 107 and the bevel gear A104 to rotate clockwise, further the bevel gear B106 is driven to rotate clockwise with the adjustable jaw 4 connected with the bevel gear B106, so that the jaws can be adjusted according to the inclination angle of the crucible, when the crucible is adjusted to a proper angle, an experiment can be carried out, when the experiment is finished, the pliers air bag 3 is put down to restore the original shape, the pressure in the inflator 102 is also reduced, the piston 103 returns to the original position due to the spring, and the adjustable jaw 4 is taken in the pliers rod 1 to facilitate the next use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pliers for pressing from both sides get square crucible, includes claw beam (1), its characterized in that: the clamp rod (1) is provided with two clamp rods, the middle parts of the two clamp rods (1) are rotatably connected through a rotating shaft (2), the left side is fixedly connected with a fixing plate (5) at the lower end of the left side of the clamp rod (1), the right side is provided with a shell (101), an air bag (3) is arranged above the right side of the shell (101), the left side of the air bag (3) is communicated with an inflator pump (102) through a rubber tube, the inside of the inflator pump (102) is slidably connected with a piston (103), the lower end of the piston (103) is fixedly connected with a rack rod (108), the utility model discloses a pneumatic inflator is characterized in that rack rod (108) are through opening and inflator pump (102) sliding connection that inflator pump (102) below was seted up, rack rod (108) lower extreme and gear (107) meshing, gear (107) and bevel gear A (104) coaxial rotation are connected in shell (101), gear (107) left side is provided with limit force device (105), bevel gear A (104) lower extreme and bevel gear B (106) meshing, the dwang and the adjustable jaw (4) fixed connection of bevel gear B (106) lower extreme, adjustable jaw (4) are connected with shell (101) rotation.

2. The pliers according to claim 1, wherein: the upper part of the piston (103) is connected with the inner part of the inflator pump (102) through a spring.

3. The pliers according to claim 1, wherein: the force limiting device (105) comprises a shell, the shell is connected with a force limiting rod in a sliding mode, and the left end of the force limiting rod is connected with the shell through a spring.

4. The pliers according to claim 1, wherein: the lower end of the right side clamp rod (1) is provided with a quarter-circle notch.

5. The pliers according to claim 1, wherein: and a closed space is arranged above the piston (103).

6. The pliers according to claim 1, wherein: the clamp rod (1) is Z-like.

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