CN209158300U - A kind of anti-skidding crank - Google Patents

Abstract

The utility model discloses a kind of anti-skidding cranks, including antiskid handle, the antiskid is including supportive body, Anti-slip cover and sealing cover, the supportive body is located at the inside of antiskid handle, the outboard end of the supportive body is movably arranged on the inner end of Anti-slip cover, the front end of the Anti-slip cover is fixedly connected on the rear end of sealing cover, the supportive body includes baffle ring, first rotating shaft, helicla flute and pumping main body, the baffle ring is located at the inside of supportive body, the inner end of the baffle ring is fixedly connected on the rear outside end of first rotating shaft, the helicla flute is provided with the outboard end that first rotating shaft deviates from baffle ring, the lower part rear end of the pumping main body is fixedly connected on the front end center of first rotating shaft, the Anti-slip cover includes cylinder outer race, suction hole and fixing groove.It while the utility model can be improved the frictional force between hand and hand handle, rotate crank can only along correct direction, better meet and use needs.

Description

A kind of anti-skidding crank

Technical field

The utility model relates to crank equipment technical field, specially a kind of anti-skidding crank.

Background technique

Crank manually drives one of the important component of machine operation, by the way that crank to be connect with mechanical component, passes through The mode of crank is driven to drive machine operation manually, the crank of feel can not judge whether operative orientation is correct, the hand handle of crank Non-skid feature mainly increases frictional force by single addition anti-skid chequer, and anti-skidding limitation leads to the anti-skidding of existing crank The problem of degree is difficult to improve, so being badly in need of wanting a kind of device for being able to solve the above problem.

Utility model content

The purpose of this utility model is to provide a kind of anti-skidding cranks, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of anti-skidding crank, including antiskid handle, For the antiskid including supportive body, Anti-slip cover and sealing cover, the supportive body is located at the inside of antiskid handle, the branch The outboard end of support main body is movably arranged on the inner end of Anti-slip cover, after the front end of the Anti-slip cover is fixedly connected on sealing cover End, the supportive body include that baffle ring, first rotating shaft, helicla flute and pumping main body, the baffle ring are located at the inside of supportive body, The inner end of the baffle ring is fixedly connected on the rear outside end of first rotating shaft, and the helicla flute is provided with first rotating shaft away from gear The lower part rear end of the outboard end of ring, the pumping main body is fixedly connected on the front end center of first rotating shaft, and the Anti-slip cover includes Cylinder outer race, suction hole and fixing groove, the pumping main body include the first unidirectional oxygen therapy valve, fixed frame, the second shaft, venthole, Second unidirectional oxygen therapy valve, first gear, second gear and capsul, the described first unidirectional oxygen therapy valve are located at the first unidirectional oxygen therapy valve Inside, the side of the described first unidirectional oxygen therapy valve is fixedly connected on the side of fixed frame, the described first unidirectional oxygen therapy valve and solid The inner space perforation for determining frame is connected, and the rear end of second shaft is fixedly connected on the upper news inner end center of fixed frame, institute The inner end that the symmetrical hollow out of venthole is provided with fixed frame is stated, the side of the described second unidirectional oxygen therapy valve is fixedly connected on fixed frame Away from the side of the first unidirectional oxygen therapy valve, the inner space of the described first unidirectional oxygen therapy valve, fixed frame and the second unidirectional oxygen therapy valve It is connected by venthole perforation, the inner end of the first gear is rotatably installed in the outboard end of the second shaft, first tooth For the lower end elongate support of wheel in the upper end of second gear, the inner end of the second gear is fixedly installed with connecting rod, the company The lower rotational that extension bar passes through fixed frame is mounted on the lower inside end center of fixed frame, and the rear end of the capsul is fixedly connected In the front end of fixed frame, the outboard end movable supporting of the first gear and second gear is in the inside of fixed frame and capsul End, the described first unidirectional oxygen therapy valve includes the first tube body, baffle, spring and the second tube body, and it is single that first tube body is located at first To the inside of oxygen therapy valve, the baffle movable supporting is fixedly connected on baffle in the inner end of baffle, the side of the spring Side, the spring are fixedly connected on the side of the second tube body away from the side of baffle.

Preferably, outboard end of the inner end movable supporting of the cylinder outer race in first rotating shaft.

Preferably, the inner end of the fixing groove is fixedly connected on the outboard end of fixed frame and capsul.

Preferably, the second gear is fixed by the connecting rod the front end center for being mounted on first rotating shaft.

Preferably, the internal structure of the described first unidirectional oxygen therapy valve and the second unidirectional oxygen therapy valve is identical, second tube body It is fixedly connected on the side of fixed frame.

Preferably, the inner space perforation of the cylinder outer race, the first unidirectional oxygen therapy valve, fixed frame and the second unidirectional oxygen therapy valve It is connected, the described second unidirectional oxygen therapy valve is mounted on the outboard end of cylinder outer race away from the fixed interlocking in outer end of the first unidirectional oxygen therapy valve.

Compared with prior art, the beneficial effects of the utility model are as follows:

By the rear end of baffle ring movable supporting cylinder outer race, prevents cylinder outer race from sliding from rear side, improve cylinder outer race rear end Stability, it is fixed by the dynamic front end for being mounted on first rotating shaft in cylinder outer race front end by pumping main body and fixing groove, prevent cylinder outer race It is slid in front of from first rotating shaft, improves the stability of cylinder outer race and first rotating shaft installation, facilitated using helicla flute by air-breathing The gas that hole enters is transported by helicla flute to first rotating shaft front end, equal using the exiguous space balance air-breathing gas inlet hole of helicla flute Evenness improves the uniformity of suction hole absorption, by baffle and baffle movable supporting, makes gas by energy after entering on the outside of baffle It enough pushes baffle compressed spring open, passes the gas through the first tube body and be discharged by the second tube body, gas on the contrary is entered by the second tube body to be squeezed Press baffle and the first tube body, logical powder puff suction hole blocking gas passes through, make air-flow can only one-way flow, improve airflow direction Stability cylinder outer race is facilitated around first rotating shaft rotation work, by solid by cylinder outer race and first rotating shaft movable supporting Determine frame and second gear to fix with fixing groove, improve Anti-slip cover and be evacuated the firmness of main body, passes through second gear and first Shaft is fixed, and is improved supportive body and is evacuated the firmness of main body, and the first unidirectional oxygen therapy valve and the second unidirectional oxygen therapy valve are passed through Make pumping main body that first gear and second gear positive direction can only be driven to work, reverse operation is by pumping body interior gas resistance Power influences, and the rotational resistance for increasing supportive body and Anti-slip cover prompts staff's operating mistake, is improving crank work just True rate solves the problems, such as that the anti-skidding degree of existing crank is difficult to improve.

Detailed description of the invention

Fig. 1 is the agent structure schematic diagram of the utility model；

Fig. 2 is the supportive body structural schematic diagram of the utility model；

Fig. 3 is the Anti-slip cover structural schematic diagram of the utility model；

Fig. 4 is the pumping main body fractionation structural representation of the utility model；

Fig. 5 is the first unidirectional oxygen therapy valve cutting structural schematic diagram of the utility model.

In figure: 1- antiskid handle, 2- supportive body, 3- Anti-slip cover, 4- sealing cover, 5- baffle ring, 6- first rotating shaft, 7- spiral Slot, 8- pumping main body, 9- cylinder outer race, 10- suction hole, 11- fixing groove, 12- first unidirectionally oxygen therapy valve, 13- fixed frame, 14- the Two shafts, 15- venthole, 16- second unidirectionally cure by oxygen therapy valve, 17- first gear, 18- second gear, 19- capsul, 20- first Tube body, 21- baffle, 22- spring, the second tube body of 23-.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-5, a kind of embodiment provided by the utility model: a kind of anti-skidding crank, including antiskid are prevented 1 Skating includes supportive body 2, Anti-slip cover 3 and sealing cover 41, and supportive body 2 is located at antiskid 1 inside, supportive body 2 Outboard end be movably arranged on the inner end of Anti-slip cover 3, the front end of Anti-slip cover 3 is fixedly connected on the rear end of sealing cover 4, support master Body 2 includes that baffle ring 5, first rotating shaft 6, helicla flute 7 and pumping main body 8, baffle ring 5 are located at the inside of supportive body 2, baffle ring 5 it is interior Side is fixedly connected on the rear outside end of first rotating shaft 6, and helicla flute 7 is provided with the outboard end that first rotating shaft 6 deviates from baffle ring 5, The lower part rear end of pumping main body 8 is fixedly connected on the front end center of first rotating shaft 6, and Anti-slip cover 3 includes cylinder outer race 9, suction hole 10 With fixing groove 11, being evacuated main body 8 includes the first unidirectional oxygen therapy valve 12, fixed frame 13, the second shaft 14, the 15, second list of venthole To oxygen therapy valve 16, first gear 17, second gear 18 and capsul 19, the first unidirectional oxygen therapy valve 12 is located at the first unidirectional oxygen therapy valve 12 inside, the side of the first unidirectional oxygen therapy valve 12 are fixedly connected on the side of fixed frame 13, the first unidirectional oxygen therapy valve 12 and solid The inner space perforation for determining frame 13 is connected, and the rear end of the second shaft 14 is fixedly connected on the upper news inner end center of fixed frame 13, The symmetrical hollow out of venthole 15 is provided with the inner end of fixed frame 13, and the side of the second unidirectional oxygen therapy valve 16 is fixedly connected on fixed frame 13 away from the side of the first unidirectional oxygen therapy valve 12, and first unidirectionally cures by oxygen therapy the interior of valve 12, fixed frame 13 and the second unidirectional oxygen therapy valve 16 Portion space is connected by the perforation of venthole 15, and the inner end of first gear 17 is rotatably installed in the outboard end of the second shaft 14, the The lower end elongate support of one gear 17 is fixedly installed with connecting rod in the upper end of second gear 18, the inner end of second gear 18, The lower rotational that connecting rod passes through fixed frame 13 is mounted on the lower inside end center of fixed frame 13, and the rear end of capsul 19 is fixed It is connected to the front end of fixed frame 13, the outboard end movable supporting of first gear 17 and second gear 18 is in fixed frame 13 and capsul 19 inner end, the first unidirectional oxygen therapy valve 12 includes the first tube body 20, baffle 21, spring 22 and the second tube body 23, the first tube body 20 are located at the inside of the first unidirectional oxygen therapy valve 12, and 21 movable supporting of baffle is fixed in the inner end of baffle 21, the side of spring 22 It is connected to the side of baffle 21, spring 22 is fixedly connected on the side of the second tube body 23 away from the side of baffle 21, and support is led 2 rear end of body is fixed with external crank, drives crank rotation work with tight Anti-slip cover 3 is held, in the process supportive body 2 and Anti-slip cover It produces relative rotation between 3, drives pumping 8 upper end of main body to revolve around 7 central axis of helicla flute by fixing groove 11 using Anti-slip cover 3 It changes a job work, is fixed by the connecting rod second gear 18 using helicla flute 7, make to be evacuated main body 8 around connecting rod rotation, to make the One gear 17 generates relative motion with pumping main body 8, is rotated by first gear 17 and second gear 18, utilizes the original of gear pump Gas by pumping to the second unidirectional 16 outside of oxygen therapy valve on the outside of the first unidirectional oxygen therapy valve 12, is utilized the first unidirectional oxygen therapy valve 12 by reason Outer end is located inside Anti-slip cover 3, while being located at 3 outboard end of Anti-slip cover using the second unidirectional oxygen therapy 16 outer end of valve, and reaching will be anti-skidding It covers 3 internal gas to arrange to external purpose, so that Anti-slip cover 3 be made to suck gas by suction hole 10, makes to hold the work of Anti-slip cover 3 When, slight adsorption capacity can be provided by air-breathing, while enhancing frictional force using the recess feature of suction hole 10, reach anti-skidding mesh , by the rear end of 5 movable supporting cylinder outer race 9 of baffle ring, prevents cylinder outer race 9 from sliding from rear side, improve the steady of 9 rear end of cylinder outer race Fixed degree, it is fixed by the dynamic front end for being mounted on first rotating shaft 6 in 9 front end of cylinder outer race by pumping main body 8 and fixing groove 11, prevent tubular Shell 9 slides in front of first rotating shaft 6, improves the stability of cylinder outer race 9 and the installation of first rotating shaft 6, is facilitated using helicla flute 7 The gas entered by suction hole 10 is balanced by the transport of helicla flute 7 to 6 front end of first rotating shaft using the exiguous space of helicla flute 7 10 air inlet uniformity degree of suction hole, the uniformity for improving the absorption of suction hole 10 make gas by baffle 21 and 21 movable supporting of baffle Body passes the gas through the first tube body 20 by 23 row of the second tube body by that can push 21 compressed spring of baffle open after entering on the outside of baffle 21 Out, gas on the contrary is entered by the second tube body 23 squeezes baffle 21 and the first tube body 20, leads to powder puff suction hole 10 and gas is stopped to lead to Cross, make air-flow can only one-way flow, improve the stability of airflow direction.

The inner end movable supporting of cylinder outer race 9 utilizes 6 activity of cylinder outer race 9 and first rotating shaft in the outboard end of first rotating shaft 6 Support enables cylinder outer race 9 to facilitate around 6 rotation work of first rotating shaft by cylinder outer race 9 and 6 movable supporting of first rotating shaft Cylinder outer race 9 surrounds 6 rotation work of first rotating shaft, and the inner end of fixing groove 11 is fixedly connected on the outer of fixed frame 13 and capsul 19 Side is fixed on the inside of fixing groove 11 using the upper end of fixed frame 13 and capsul 19, reaches cylinder outer race 9 and pumping main body 8 fixed purposes, it is fixed by fixed frame 13 and second gear 18 and fixing groove 11, it improves Anti-slip cover 3 and is evacuated main body 8 Firmness, second gear 18 are fixed by the connecting rod the front end center for being mounted on first rotating shaft 6, pass through company using second gear 18 Extension bar and first rotating shaft 6 are fixed, achieve the purpose that pumping main body 8 being fixed on 6 front end of first rotating shaft, by second gear 18 with First rotating shaft 6 is fixed, improves supportive body 2 and is evacuated the firmness of main body 8, the first unidirectional oxygen therapy valve 12 and second unidirectional defeated The internal structure of oxygen valve 16 is identical, and the second tube body 23 is fixedly connected on the side of fixed frame 13, utilizes the first unidirectional oxygen therapy valve 12 It is identical with the second unidirectional oxygen therapy structure of valve 16, it allows gas to enough enter inside fixed frame 13 by the first unidirectional oxygen therapy valve 12 and lead to It crosses the second unidirectional oxygen therapy valve 16 to be discharged, otherwise gas can not be entered by the second unidirectional oxygen therapy valve 16 by the first unidirectional oxygen therapy valve 12 Discharge achievees the purpose that prompt staff's operating mistake to increase the resistance of reverse operating crank, unidirectional defeated by first Oxygen valve 12 and the second unidirectional oxygen therapy valve 16 make pumping main body 8 that first gear 17 and 18 positive direction of second gear can only be driven to work, For reverse operation by pumping 8 internal gas drag effects of main body, the rotational resistance for increasing supportive body 2 and Anti-slip cover 3 prompts work Make personnel's operating mistake, improve the accuracy of crank work, cylinder outer race 9, first unidirectionally cures by oxygen therapy valve 12, fixed frame 13 and second The inner space perforation of unidirectional oxygen therapy valve 16 is connected, and the second unidirectional oxygen therapy valve 16 is fixed away from the outer end of the first unidirectional oxygen therapy valve 12 Interlocking is mounted on the outboard end of cylinder outer race 9.

Working principle: 2 rear end of supportive body is fixed with external crank, drives crank to rotate work with tight Anti-slip cover 3 is held Make, produce relative rotation between supportive body 2 and Anti-slip cover 3 in the process, pumping master is driven by fixing groove 11 using Anti-slip cover 3 8 upper end of body works around 7 center axis rotation of helicla flute, is fixed by the connecting rod second gear 18 using helicla flute 7, leads pumping Body 8 is rotated around connecting rod, so that first gear 17 and pumping main body 8 be made to generate relative motion, passes through first gear 17 and the Two gears 18 rotation, using the principle of gear pump by gas by pumping to the second unidirectional oxygen therapy valve 16 on the outside of the first unidirectional oxygen therapy valve 12 Outside is located inside Anti-slip cover 3 using the outer end of the first unidirectional oxygen therapy valve 12, while being set using the second unidirectional oxygen therapy 16 outer end of valve In 3 outboard end of Anti-slip cover, achieve the purpose that arrange 3 internal gas of Anti-slip cover to outside, so that Anti-slip cover 3 be made to pass through suction hole 10 Gas is sucked, when making to hold the work of Anti-slip cover 3, slight adsorption capacity can be provided by air-breathing, while being recessed using suction hole 10 Feature enhances frictional force, achievees the purpose that anti-skidding, using cylinder outer race 9 and 6 movable supporting of first rotating shaft, cylinder outer race 9 is enable to enclose Around 6 rotation work of first rotating shaft, it is fixed on the inside of fixing groove 11 using the upper end of fixed frame 13 and capsul 19, reaches cylinder The purpose that shape shell 9 and pumping main body 8 are fixed, fixed by connecting rod and first rotating shaft 6 using second gear 18, reaching will be evacuated Main body 8 is fixed on the purpose of 6 front end of first rotating shaft, utilizes the structure phase of the first unidirectional oxygen therapy valve 12 and the second unidirectional oxygen therapy valve 16 Together, it allows gas to enough enter inside fixed frame 13 by the first unidirectional oxygen therapy valve 12 and be discharged by the second unidirectional oxygen therapy valve 16, instead Gas can not be entered by the second unidirectional oxygen therapy valve 16 and be discharged by the first unidirectional oxygen therapy valve 12, to increase reverse operating crank Resistance, achieve the purpose that prompt staff's operating mistake.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of anti-skidding crank, including antiskid is (1), it is characterised in that: the antiskid (1) include supportive body (2), Anti-slip cover (3) and sealing cover (4), the supportive body (2) are located at antiskid the inside of (1), the supportive body (2) it is outer Side is movably arranged on the inner end of Anti-slip cover (3), and the front end of the Anti-slip cover (3) is fixedly connected on the rear end of sealing cover (4), The supportive body (2) includes that baffle ring (5), first rotating shaft (6), helicla flute (7) and pumping main body (8), the baffle ring (5) are located at The inner end of the inside of supportive body (2), the baffle ring (5) is fixedly connected on the rear outside end of first rotating shaft (6), the spiral shell Spin slot (7) is provided with the outboard end that first rotating shaft (6) deviate from baffle ring (5), and the lower part rear end of pumping main body (8) is fixedly connected Front end center in first rotating shaft (6), the Anti-slip cover (3) include cylinder outer race (9), suction hole (10) and fixing groove (11), institute Stating pumping main body (8) includes the first unidirectional oxygen therapy valve (12), fixed frame (13), the second shaft (14), venthole (15), the second list To oxygen therapy valve (16), first gear (17), second gear (18) and capsul (19), the described first unidirectional oxygen therapy valve (12) is located at The side of the inside of first unidirectional oxygen therapy valve (12), the described first unidirectional oxygen therapy valve (12) is fixedly connected on the side of fixed frame (13) End, the described first unidirectional oxygen therapy valve (12) is connected with the perforation of the inner space of fixed frame (13), after second shaft (14) End is fixedly connected on the upper news inner end center of fixed frame (13), and the symmetrical hollow out of the venthole (15) is provided with fixed frame (13) Inner end, the side of the described second unidirectional oxygen therapy valve (16) is fixedly connected on fixed frame (13) away from the first unidirectional oxygen therapy valve (12) inner space of side, the described first unidirectional oxygen therapy valve (12), fixed frame (13) and the second unidirectional oxygen therapy valve (16) is logical Venthole (15) perforation to be crossed to be connected, the inner end of the first gear (17) is rotatably installed in the outboard end of the second shaft (14), For the lower end elongate support of the first gear (17) in the upper end of second gear (18), the inner end of the second gear (18) is solid Dingan County is equipped with connecting rod, and the lower rotational that the connecting rod passes through fixed frame (13) is mounted on the lower inside end of fixed frame (13) Center, the rear end of the capsul (19) are fixedly connected on the front end of fixed frame (13), the first gear (17) and the second tooth The outboard end movable supporting of (18) is taken turns in the inner end of fixed frame (13) and capsul (19), the described first unidirectional oxygen therapy valve (12) Including the first tube body (20), baffle (21), spring (22) and the second tube body (23), it is unidirectional that first tube body (20) is located at first The inside of valve (12) is cured by oxygen therapy, for baffle (21) movable supporting in the inner end of baffle (21), the side of the spring (22) is solid Surely it is connected to the side of baffle (21), the spring (22) is fixedly connected on the second tube body (23) away from the side of baffle (21) Side.

2. a kind of anti-skidding crank according to claim 1, it is characterised in that: the inner end activity branch of the cylinder outer race (9) Support the outboard end in first rotating shaft (6).

3. a kind of anti-skidding crank according to claim 1, it is characterised in that: the inner end of the fixing groove (11) is fixed to be connected Connect the outboard end in fixed frame (13) and capsul (19).

4. a kind of anti-skidding crank according to claim 1, it is characterised in that: the second gear (18) is solid by connecting rod Dingan County is mounted in the front end center of first rotating shaft (6).

5. a kind of anti-skidding crank according to claim 1, it is characterised in that: the described first unidirectional oxygen therapy valve (12) and second The internal structure of unidirectional oxygen therapy valve (16) is identical, and second tube body (23) is fixedly connected on the side of fixed frame (13).

6. a kind of anti-skidding crank according to claim 1, it is characterised in that: the cylinder outer race (9), the first unidirectional oxygen therapy valve (12), fixed frame (13) is connected with the inner space perforation of the second unidirectional oxygen therapy valve (16), the described second unidirectional oxygen therapy valve (16) The outboard end of cylinder outer race (9) is mounted on away from the fixed interlocking in outer end of the first unidirectional oxygen therapy valve (12).