Air rod compression tool

Abstract

The utility model discloses an air rod compression tool which comprises a rack, a fixed chuck fixed to the front end of the rack, a movable chuck arranged on the rack in a sleeved mode and a driving mechanism for driving the movable chuck to be close to the fixed chuck so as to clamp an air rod from the two ends of the air rod and force the air rod to contract. The driving mechanism comprises a frame body, a transmission gear and a handle, the frame body is arranged on the rack in a sleeving mode and can slide along the rack, the transmission gear is rotatably installed in the frame body through a rotating shaft, the transmission gear is meshed with the rack, the handle is provided with a hinge part, and the two ends of the rotating shaft are exposed out of the frame and connected with the hinge part; the elastic hooking and shifting assembly is arranged in the U-shaped hinging part and can drive the transmission gear to rotate along with shifting of the handle. According to the utility model, through meshing transmission of the gears, uniform stress in the contraction process of the air rod is ensured, and the force needing to be applied by workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of doors and windows, in particular to a gas rod compression tool. BACKGROUND

[0002] On large windows or windows with heavy weight, gas rods are widely used as a supporting device. The gas rod is filled with high-pressure gas, and under the action of the gas pressure, the gas rod remains in an extended state, not only can support the weight of the window, ensure smooth operation during the opening and closing process of the window, but also can firmly fix the position of the window after opening, effectively resist the interference of wind force or other external force, and maintain the stability of the window. However, during the installation of the gas rod, the worker needs to exert considerable force to overcome the above-mentioned force of the gas, so that the gas rod can be retracted to facilitate subsequent installation. SUMMARY

[0003] Therefore, in view of the above problems, the utility model provides a gas rod compression tool.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A gas rod compression tool, comprising a rack, a fixed chuck fixed on the front end of the rack, a movable chuck sleeved on the rack, and a driving mechanism for driving the movable chuck to move towards the fixed chuck to clamp the gas rod from both ends of the gas rod and force the gas rod to retract, the driving mechanism comprising a frame body sleeved on the rack and capable of sliding along the rack, a transmission gear rotatably mounted in the frame body through a rotating shaft, and a handle, the transmission gear is engaged with the rack, the handle has a hinged part, both ends of the rotating shaft are exposed outside the frame and connected with the hinged part, and further comprising a flexible hooking component arranged in the hinged part and capable of driving the transmission gear to rotate by being hooked by the handle.

[0006] By placing the gas rod in the extended state between the fixed chuck and the movable chuck, swinging the handle forward, driving the hooking flexible hooking component to drive the transmission gear to rotate in the frame body, driving the frame body to slide towards the fixed chuck, and thus driving the movable chuck to move towards the fixed chuck, the two clamping pieces can clamp the gas rod from both ends of the gas rod and force the gas rod to retract. The displacement of the movable chuck can be accurately controlled by gear engagement transmission, ensuring that the force on the gas rod during retraction is uniform, and reducing the force required by the worker to retract the gas rod.

[0007] In a specific embodiment of this utility model: the elastic hook assembly includes a hook located on the front side above the transmission gear and a first torsion spring. The hook is divided into a locking head located on the front side and locked in the tooth groove of the transmission gear, and a connecting part located on the rear side. The connecting part is installed in the hinge part through a first shaft. The connecting part has a torsion spring groove. The first torsion spring is sleeved on the first shaft and located in the torsion spring groove. One end of the first torsion spring extends outward and abuts against the top wall of the hinge part, and the other end extends inward and abuts against the inner wall of the front side of the torsion spring groove.

[0008] In a specific embodiment of this utility model: the frame is provided with an elastic anti-reverse component to prevent the transmission gear from retracting.

[0009] In a specific embodiment of this utility model: the anti-reverse component includes a stop block and a second torsion spring located behind the transmission gear. The stop block has an opening on its side. The stop block is installed in the frame through a second shaft and its lower end is locked in the tooth groove of the transmission gear. The second torsion spring is sleeved on the second shaft and located inside the stop block. One end of the second torsion spring extends out from the opening and abuts against the rear side wall of the frame, and the other end abuts against the inner side wall opposite to the opening.

[0010] In a specific embodiment of this utility model: a sleeve is fitted onto the rack, the sleeve can slide along the rack, and the movable clamp is fixed on the sleeve.

[0011] In summary, in this invention, the extended air rod is placed between the fixed clamp and the movable clamp. By swinging the handle forward, the hook swings and drives the transmission gear to rotate, causing the frame to slide towards the fixed clamp. This causes the movable clamp to move closer to the fixed clamp, so that the two clamping parts clamp the air rod from both ends and force the air rod to retract, effectively reducing the force required for the worker to retract the air rod. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] Figure 1 This is a schematic diagram of the structure of a pneumatic compression tool according to the present invention;

[0014] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 This is a schematic diagram of the hook structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the stop block of this utility model. Detailed Implementation

[0017] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0018] Please refer to Figure 1 As shown in the figure, the utility model is a kind of air rod compression tool, including rack 10, fixed in the front end of rack 10 fixed chuck 11, set in the rack 10 movable chuck 12, and drive mechanism 20 driving movable chuck 12 to be close to fixed chuck to be clamped from air rod both ends air rod and force the air rod to contract.

[0019] In the present embodiment, sleeve 13 is sleeved on rack 10. The inner diameter of sleeve 13 is greater than the inner diameter of rack 10, and sleeve 13 can slide along the rack

[0020] Drive mechanism 20 includes frame 21 sleeved on rack 10 and can slide along rack 10, transmission gear 22 rotatably mounted in frame 21 by rotating shaft, and handle 23. The frame is of rectangular structure. Transmission gear 22 is engaged with rack 10. Handle 23 has U-shaped hinged part 231, both ends of the rotating shaft are exposed outside the frame 21 and connected with the hinged part 231. It also includes elastic hooking component 24 arranged in the hinged part 231, which can drive transmission gear 22 to rotate with the swinging of handle 23. The displacement of movable chuck can be accurately controlled by gear engagement transmission, and the force uniformity during air rod contraction is ensured, and the force required by workers to contract air rod is reduced.

[0021] In combination Figure 2 And Figure 3 As shown in the figure, in the present embodiment, elastic hooking component 24 includes hooking 25 on the front side above transmission gear and first torsional spring 26. The hooking 25 is divided into clamping head part 251 on the front side which can be clamped in the tooth groove of transmission gear 22 and connecting part 252 on the rear side. Connecting part 252 is installed in the hinged part 231 through the first shaft. Connecting part 252 has torsional spring groove 253. First torsional spring 26 is sleeved on the first shaft and located in torsional spring groove 253, one end of first torsional spring 26 extends outward and abuts against the top wall of U-shaped hinged part 231, and the other end extends inward and abuts against the front side inner wall of torsional spring groove 253. Hooking 25 is made of wear-resistant material. In the process of handle swinging, the hooking swings with the handle. The elastic force of first torsional spring 26 ensures that hooking 25 stably abuts against transmission gear 22, guarantees the continuity and accuracy of transmission. At the same time, after the handle swings forward once, the elastic force of first torsional spring 26 makes the hooking reset to the initial state, and prepares for the next forward swing of the handle.

[0022] Thus, the air rod in the extended state is placed between the fixed clamp head 11 and the movable clamp head 12. Then, the handle 23 is swung forward to drive the hook 25 to swing and drive the transmission gear 22 to rotate in the frame 21. The rotating transmission gear 22 is engaged with the rack 10, which is converted into the sliding of the frame 21 along the rack 10. The frame 21 slides towards the fixed clamp head 11 to drive the movable clamp head 12 to approach the fixed clamp head 11. The movable clamp head 12 gradually approaches the fixed clamp head 11 with the sliding of the frame 21, and the two clamping members clamp the air rod from both ends and force the air rod to contract until the desired contracted state is reached. After each forward swing of the handle, the elastic force of the first torsional spring resets the hook to the initial state, preparing for the next forward swing of the handle.

[0023] The elastic anti-back component 27 is arranged in the frame 21 at the rear side of the transmission gear 22.

[0024] As shown in Figure 1 , Figure 2 and Figure 4 , in the embodiment, the anti-back component 27 includes a stopper block 28 at the rear side of the transmission gear and a second torsional spring 29. The stopper block 28 has an opening 281 at the side. The stopper block is made of wear-resistant material. The stopper block 28 is installed in the frame 21 through a second shaft and the lower end is clamped in the tooth groove of the transmission gear 22. The second torsional spring 29 is sleeved on the second shaft and located in the stopper block 28. One end of the second torsional spring 29 extends out of the opening and abuts against the rear side wall of the frame 21, and the other end abuts against the inner side wall of the stopper block 28 opposite to the opening.

[0025] Thus, the air rod in the extended state is placed between the fixed clamp head 11 and the movable clamp head 12. Then, the handle 23 is swung forward to drive the hook 25 to swing and drive the transmission gear 22 to rotate in the frame 21. The rotating transmission gear 22 is engaged with the rack 10, which is converted into the sliding of the frame 21 along the rack 10. The frame 21 slides towards the fixed clamp head 11 to drive the movable clamp head 12 to approach the fixed clamp head 11. The movable clamp head 12 gradually approaches the fixed clamp head 11 with the sliding of the frame 21, and the two clamping members clamp the air rod from both ends and force the air rod to contract until the desired contracted state is reached. After each forward swing of the handle, the elastic force of the first torsional spring resets the hook to the initial state, preparing for the next forward swing of the handle.

[0026] The above has carried out the detailed description to one embodiment of the utility model, but the content described is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equal changes and improvements etc. that are made in the utility model application scope should still belong to the patent coverage scope of the utility model.

Claims

1. A gas rod compression tool, characterized by, The device comprises a rack, a fixed chuck fixed on the front end of the rack, a movable chuck sleeved on the rack, and a driving mechanism for driving the movable chuck to approach the fixed chuck to clamp the air rod from both ends of the air rod and force the air rod to contract, the driving mechanism comprising a frame body sleeved on the rack and capable of sliding along the rack, a transmission gear rotatably installed in the frame body through a rotating shaft, and a handle, the transmission gear being engaged with the rack, the handle having a hinged part, both ends of the rotating shaft being exposed outside the frame and connected with the hinged part, and further comprising an elastic hooking component arranged in the hinged part and capable of driving the transmission gear to rotate along with the handle.

2. The air rod compression tool of claim 1, wherein, The elastic hooking component comprises a hooking part and a first torsional spring located on the front side above the transmission gear, the hooking part being divided into a clamping head located on the front side and clamped in the tooth groove of the transmission gear and a connecting part located on the rear side, the connecting part being installed in the hinged part through a first shaft, the connecting part having a torsional spring groove, the first torsional spring being sleeved on the first shaft and located in the torsional spring groove, one end of the first torsional spring extending outward to abut against the top wall of the hinged part, and the other end extending inward to abut against the inner wall on the front side of the torsional spring groove.

3. The air rod compression tool of claim 1, wherein, The frame body is provided with an elastic anti-backup component for preventing the transmission gear from retreating on the rear side of the transmission gear.

4. The air rod compression tool of claim 3, wherein, The anti-backup component comprises a stopper clamping block and a second torsional spring, the stopper clamping block being open on the side, the stopper clamping block being installed in the frame body through a second shaft and having a lower end clamped in the tooth groove of the transmission gear, the second torsional spring being sleeved on the second shaft and located in the stopper clamping block, one end of the second torsional spring extending out of the opening to abut against the rear side wall of the frame body, and the other end extending inward to abut against the inner wall opposite to the opening of the stopper clamping block.

5. The air rod compression tool of claim 1, wherein, A sleeve is sleeved on the rack, the sleeve being capable of sliding along the rack, and the movable chuck being fixed on the sleeve.

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