CN217130151U - Industrial backstop - Google Patents

Abstract

The utility model discloses an industrial backstop, which relates to the technical field of backstops and comprises a horizontally placed cylindrical shell, wherein the lower end of the outer side wall of the cylindrical shell is provided with a base, the front end surface and the back end surface of the cylindrical shell are connected with annular plates through bolts, the front end surface and the back end surface of the cylindrical shell are opposite, a coupling sleeve is connected between the annular plates through bearings, the outer side of the coupling sleeve is connected with a gear sleeve through bolts, the outer side wall of the gear sleeve is provided with a ratchet wheel, the upper part of the side wall of the cylindrical shell is provided with a notch, a square hole plate is arranged in the notch, the outer side wall of the cylindrical shell is provided with a square cylinder at the upper side of the notch, the upper end of the square cylinder is connected with a round hole cover plate through bolts, a round rod is movably connected in the round hole cover plate, the lower end of the round rod is provided with a square block which penetrates through, the lower end of the square block is provided with a pawl which is mutually matched with the ratchet wheel, the utility model discloses need not to dismantle the backstop and can realize non-return cancellation and conversion, easy operation.

Description

Industrial backstop

Technical Field

The utility model relates to a backstop technical field, specific field is an industry backstop.

Background

After the rotating shaft is connected with the backstop, the backstop can prevent the rotating shaft from reversing, and the backstop is applied to equipment such as a speed reducer, a transportation machine, a conveyor, a hoister, an electric roller and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industry backstop to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an industrial backstop comprises a horizontally placed cylindrical shell, wherein a base is arranged at the lower end of the outer side wall of the cylindrical shell, circular ring plates are connected to the front end face and the rear end face of the cylindrical shell through bolts, a coupling sleeve is connected between the circular ring plates in a front-back opposite mode through bearings, a gear sleeve is connected to the outer side of the coupling sleeve through bolts, a ratchet wheel is arranged on the outer side wall of the gear sleeve, a notch is formed in the upper portion of the side wall of the cylindrical shell, a square hole plate is arranged in the notch, a square tube is arranged on the outer side wall of the cylindrical shell and on the upper side of the notch, a round hole cover plate is connected to the upper end of the square tube through bolts, a round rod is movably connected in the round hole cover plate, a square block is arranged at the lower end of the round rod and penetrates through the square hole plate, a pawl matched with the ratchet wheel is arranged at the lower end of the square block, a spring is arranged on the outer side of the round rod and between the square block and the round hole cover plate, the upper end of round bar is equipped with the handle, the lateral wall of round bar just the upside of round hole apron is equipped with the stopper, the upper end of round hole apron just is in the rear side of round bar is equipped with the limiting plate.

Preferably, the front-back length of the square block is greater than the left-right length, and the upper surface diagonal length of the square block is smaller than the inner width of the square tube.

Preferably, the limiting plate is made of a plastic material, and the front surface and the rear surface of the limiting block are provided with steering indicating marks.

Preferably, a thrust ball bearing is arranged between the lower end of the spring and the square block.

Preferably, the side wall of the cylindrical shell is provided with a fuel filling pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an effect that industry backstop is realized stopping contrary through the cooperation of pawl and ratchet, can lift up the pawl through handheld handle, rotates 180 degrees with the handle and puts down the handle and can realize the conversion that ends contrary direction, rotates 90 degrees with the handle and puts down the handle and can cancel the function that ends contrary, need not to dismantle the backstop and can realize ending cancellation and conversion, easy operation.

Drawings

Fig. 1 is the schematic view of the internal structure of the coupling sleeve rotating clockwise according to the present invention.

Fig. 2 is a schematic view of the main-view section structure of the coupling sleeve during counterclockwise rotation of the present invention.

Fig. 3 is a schematic view of the front view cross section structure of the present invention when the anti-reverse operation is cancelled.

In the figure: 1. a cylindrical shell; 2. a base; 3. a circular ring plate; 4. a coupling sleeve; 5. a gear sleeve; 6. a ratchet wheel; 7. a square hole plate; 8. a square cylinder; 9. a circular hole cover plate; 10. a round bar; 11. a square block; 12. a pawl; 13. a spring; 14. a handle; 15. a limiting block; 16. a limiting plate; 17. a steering indication mark; 18. a thrust ball bearing; 19. an oil filling pipe.

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: an industrial backstop comprises a horizontally placed cylindrical shell 1, wherein a base 2 is arranged at the lower end of the outer side wall of the cylindrical shell 1, the cylindrical shell 1 is in a cylindrical shape with a front and a back communicated, the base 2 is fixed on the cylindrical shell 1, through holes for bolts to pass through are formed in the base 2 and are fixedly connected with external equipment through the base 2, the front end face and the back end face of the cylindrical shell 1 are connected with annular plates 3 through bolts, bolt holes are symmetrically formed in the front surface and the back surface of the cylindrical shell 1, the annular plates 3 are fixed on the cylindrical shell 1 through the bolts, coupling sleeves 4 are connected between the front annular plate 3 and the back annular plate 3 which are opposite, the outer rings of the bearings are fixed on the annular plates 3, the inner rings of the bearings are fixed on the coupling sleeves 4, the coupling sleeves 4 are supported through the annular plates 3, the coupling sleeves 4 can rotate in the annular plates 3, key grooves are formed in the inner sides of the coupling sleeves 4 and are used for being connected and linked with an external rotating shaft, the outer side of the coupling sleeve 4 is connected with a gear sleeve 5 through a bolt, the outer side wall of the gear sleeve 5 is provided with a ratchet wheel 6, the ratchet wheel 6 is fixed on the gear sleeve 5, the front and back width of the ratchet wheel 6 is smaller than the front and back width of the gear sleeve 5, the gear sleeve 5 is sleeved on the coupling sleeve 4, a threaded hole is formed in the coupling sleeve 4, a round hole for the bolt to pass through is correspondingly formed in the gear sleeve 5, the gear sleeve 5 is fixed on the coupling sleeve 4 through the bolt, a notch is formed in the upper portion of the side wall of the cylindrical shell 1, a square hole plate 7 is arranged in the notch, the notch penetrates through the cylindrical shell 1 from top to bottom, the square hole plate 7 is fixed at the notch portion of the cylindrical shell 1 to shield the notch, a square through hole is formed in the center of the square hole plate 7 to allow a square block 11 to move in the square hole, a square cylinder 8 is arranged on the outer side wall of the cylindrical shell 1 and on the upper side of the notch, the upper end of the square cylinder 8 is connected with a cover plate 9 through a bolt round hole, the square tube 8 is fixed on the cylinder shell 1, an extension ring is outwards formed at the upper end of the square tube 8, a bolt hole is formed on the extension ring, the round hole cover plate 9 is fixed on the square tube 8 through a bolt, the round hole cover plate 9 can be taken off when needed, a round hole which is communicated up and down is formed at the center of the round hole cover plate 9 and is used for the round rod 10 to move therein, the round rod 10 is movably connected in the round hole cover plate 9, the round rod 10 is jointed with the round hole on the round hole cover plate 9, the round rod 10 can move up and down in the round hole cover plate 9, a square block 11 is arranged at the lower end of the round rod 10, the square block 11 is communicated with the square hole plate 7, the square block 11 is fixed on the round rod 10, the square block 11 is jointed with the square hole on the square hole plate 7, the square block 11 can move up and down in the square hole plate 7, and the square block 11 can be directly inserted back into the square hole plate 7 again, the ratchet wheel can also be rotated for half a turn and then downwards inserted into the square hole plate 7, the square hole plate cannot be inserted into the square hole plate 7 at other angles, the upper end of the square hole plate 7 forms an outward opening which can facilitate the square block 11 to be inserted into the square hole plate 7, the lower end of the square block 11 is provided with a pawl 12 matched with the ratchet wheel 6, the pawl 12 is fixed on the square block 11, the end surfaces of the left side and the right side of the pawl 12 are divided into a concave surface and an inclined surface, when the ratchet wheel 6 rotates towards the inclined surface, the ratchet wheel 6 can push out the pawl 12 along the inclined surface, so that the ratchet wheel 6 can normally rotate, when the ratchet wheel 6 rotates towards the concave surface, the pawl 12 can block the ratchet wheel 6 to prevent the rotation of the ratchet wheel 6, the outer side of the round rod 10 is sleeved with a spring 13 between the square block 11 and the round hole cover plate 9, the spring 13 is sleeved on the outer side of the round rod 10, and the upper end and the lower end of the spring 13 are respectively abutted against the round hole cover plate 9 and the square block 11, spring 13 is in the state of compressed and presses square piece 11 down, makes pawl 12 can stretch into in the ratchet 6, the upper end of round bar 10 is equipped with handle 14, the lateral wall of round bar 10 just the upside of round hole apron 9 is equipped with stopper 15, the upper end of round hole apron 9 just is in the rear side of round bar 10 is equipped with limiting plate 16, and handle 14 is fixed in round bar 10 upper end so that drive round bar 10 rotates, and stopper 15 fixes on round bar 10, and stopper 16 fixes on round hole apron 9, through stopper 15 and limiting plate 16's cooperation, makes round bar 10 can rotate at 180 within range, and when stopper 15 pasted on limiting plate 16, corresponding square piece 11 also can correspond with square orifice plate 7, and handle 14 and stopper 15 also can adopt bolt or other dismantled and assembled fixed modes to take round bar 10 out from apron round hole 9.

Specifically, the length is greater than about to the front and back length of square piece 11, the upper surface diagonal length of square piece 11 is less than the inside width of square tube 8, and square piece 11 is long about the back is short around long, makes square piece 11 can insert back to square hole board 7 after deviating from square hole board 7 only after not rotating or rotating half a circle, and the inside space of square tube 8 will satisfy square piece 11 and rotate wherein.

Specifically, limiting plate 16 is made by plastic materials, stopper 15's front and back surface all is equipped with turns to indicator 17, under the main visual angle, indicate that shaft coupling 4 can anticlockwise rotation when stopper 15 is located the round bar 10 left side, just shaft coupling 4 can clockwise rotate when stopper 15 is located the round bar 10 right side, that is to say that shaft coupling 4 can rotate to stopper 15's direction from round bar 10, can be convenient for the staff to discern the running direction of backstop through setting up on stopper 15 and turn to indicator 17, limiting plate 16 adopts the ya keli board, utilize the transparent nature of ya keli board, can obtain the running direction of backstop equally when observing stopper 15 from the rear side.

Particularly, the lower extreme of spring 13 with be equipped with thrust ball bearing 18 between the square piece 11, because square piece 11 will rotate for round hole apron 9, the both ends of spring 13 are supported between round hole apron 9 and square piece 11, and the rotation of the square piece 11 of spring 13 meeting of compressed plays certain hindrance, through placing thrust ball bearing 18, makes the change can rotate for square piece 11, can eliminate above-mentioned hindrance.

Specifically, the side wall of the cylindrical housing 1 is provided with a filler pipe 19, and the filler pipe 19 is fixed to the cylindrical housing 1 so as to pass through the cylindrical housing 1 and add lubricating oil to the ratchet 6, so that the ratchet 6 runs smoothly along the pawls 12.

The working principle is as follows: the external rotating shaft is connected with the coupling sleeve 4 through a key groove on the coupling sleeve 4, the external rotating shaft, the coupling sleeve 4, the gear sleeve 5 and the ratchet 6 rotate together, the pawl 12 is pushed into the ratchet 6 by the spring 13, the end surfaces of the left side and the right side of the pawl 12 are divided into a concave surface and an inclined surface, when the ratchet 6 rotates towards the inclined surface, the pawl 12 can be pushed out along the inclined surface by the ratchet 6, so that the ratchet 6 can normally rotate, when the ratchet 6 rotates towards the concave surface, the pawl 12 can block the ratchet 6 to prevent the ratchet 6 from rotating, the reverse rotation preventing effect is realized, the reverse rotation preventing direction can be switched, the round rod 10 is lifted upwards by the hand-held handle 14, the square block 11 is pulled out from the square hole plate 7, the round rod 10 rotates for half a circle, the limiting head is attached to the limiting plate 16 at the other side of the round rod 10, the handle 14 is put down, and the pawl 12 is turned left and right to realize the change of the reverse rotation preventing direction, backstop also can cancel, holds handle 14 and lifts up square piece 11 back from square orifice plate 7, rotates square piece 11 90, loosens handle 14 again, and square piece 11 is pushed up on square orifice plate 7 by spring 13, and pawl 12 stretches into the square hole of square orifice plate 7 and can't contact with ratchet 6, realizes canceling backstop, rotates 90 again handle 14 and can resume backstop.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)

1. An industrial backstop, includes cylinder casing (1) of level placement, its characterized in that: the outer side wall lower end of the cylindrical shell (1) is provided with a base (2), the front end face and the rear end face of the cylindrical shell (1) are connected with a ring plate (3) through bolts, the front end face and the rear end face of the cylindrical shell (1) are opposite, a coupling sleeve (4) is connected between the ring plates (3) through a bearing, the outer side of the coupling sleeve (4) is connected with a gear sleeve (5) through bolts, the outer side wall of the gear sleeve (5) is provided with a ratchet wheel (6), the upper portion of the side wall of the cylindrical shell (1) is provided with a notch, a square hole plate (7) is arranged in the notch, the outer side wall of the cylindrical shell (1) is provided with a square tube (8) at the upper side of the notch, the upper end of the square tube (8) is connected with a round hole cover plate (9) through bolts, a round rod (10) is movably connected in the round hole cover plate (9), the lower end of the round rod (10) is provided with a square block (11), and the square block (11) penetrates through the square hole plate (7), the lower extreme of square piece (11) be equipped with pawl (12) of ratchet (6) mutual adaptation, the outside of round bar (10) and be in square piece (11) with the cover has spring (13) between round hole apron (9), the upper end of round bar (10) is equipped with handle (14), the lateral wall of round bar (10) just is in the upside of round hole apron (9) is equipped with stopper (15), the upper end of round hole apron (9) just is in the rear side of round bar (10) is equipped with limiting plate (16).

2. The industrial backstop of claim 1, wherein: the front and back lengths of the square blocks (11) are greater than the left and right lengths, and the upper surface diagonal length of the square blocks (11) is smaller than the inner width of the square tube (8).

3. The industrial backstop of claim 1, wherein: the limiting plate (16) is made of plastic materials, and the front surface and the rear surface of the limiting block (15) are provided with steering indicating marks (17).

4. The industrial backstop of claim 1, wherein: and a thrust ball bearing (18) is arranged between the lower end of the spring (13) and the square block (11).

5. The industrial backstop of claim 1, wherein: the side wall of the cylindrical shell (1) is provided with an oil filling pipe (19).

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