CN214404569U - Nut structure for trapezoidal screw pair - Google Patents

Abstract

The utility model discloses a trapezoidal vice nut structure of using of lead screw, including lead screw body, two installation pieces and nut body, two installation pieces are fixed respectively and are equipped with the both ends at lead screw body, and nut body thread bush is established in lead screw body's one end, and the fixed clearance lubrication subassembly that eliminates that is equipped with of one end of nut body, and the clearance lubrication subassembly that eliminates advances oil pipe and a plurality of infiltration pipe including eliminating the clearance helicoid, a parcel section of thick bamboo, T type, and the fixed one end that sets up at the nut body of the clearance helicoid that disappears, the fixed cover of a parcel section of thick bamboo is established in nut body and the outside of eliminating the clearance helicoid, and it has the clearance filler to fill between a parcel section of thick bamboo and the nut body, the beneficial effects of the utility model are that: the gap eliminating lubricating assembly can eliminate the gap, the overall running precision of the trapezoidal lead screw is improved, the structure is simple and reliable, the practicability is high, the lubricating assembly is arranged, the nut body and the lead screw body run in the process to play a lubricating role, abrasion is not prone to being caused, and the use is convenient.

Description

Nut structure for trapezoidal screw pair

Technical Field

The utility model relates to a nut structure, in particular to vice nut structure of using of trapezoidal lead screw belongs to industry spare part technical field.

Background

The trapezoidal lead screw is a component for converting rotary motion into linear motion or converting linear motion into rotary motion, is mainly used in a transmission and position adjustment device, and is widely used in the mechanical industry. The trapezoidal screw rod has the advantages of simple and compact structure, convenient processing and self-locking capability. However, in the working process, a lateral gap inevitably exists between the trapezoidal screw rod and the nut, the gap is enlarged due to long-term use, the use effect is affected, the lubricating function is not provided, the gap is easily abraded due to long-term use, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trapezoidal screw nut structure for pair to in solving the above-mentioned background art and proposing, inevitable can have side direction clearance, long-time the use between trapezoidal lead screw and the nut and can make the gap bigger and bigger, and do not possess lubricating function's problem in the course of the work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut structure for trapezoidal screw pair, includes lead screw body, two installation pieces and nut body, two the installation piece is the fixed both ends that are equipped with at the lead screw body respectively, nut body thread bush is in the one end of lead screw body, the fixed clearance lubrication subassembly that eliminates that is equipped with of one end of nut body, the clearance lubrication subassembly that eliminates advances oil pipe and a plurality of infiltration pipe including eliminating clearance helicoid, a parcel section of thick bamboo, T type, the fixed one end that sets up at the nut body of eliminating clearance helicoid, the fixed cover of a parcel section of thick bamboo is established in the outside of nut body and eliminating clearance helicoid, it has the clearance filler that eliminates to fill between a parcel section of thick bamboo and the nut body, T type advances oil pipe fixed interlude setting in the inside of nut body and eliminating clearance helicoid, a plurality of the inside of fixed setting at the nut body respectively of oil pipe.

As an optimal technical scheme of the utility model, two oil pipe assorted oiling mouths have been seted up respectively with the T type to the top and the bottom of crack helicoidal that disappears, the T type advances the fixed T type oil absorption cotton that is equipped with in inside of oil pipe.

As a preferred technical scheme of the utility model, a plurality of ooze oil pipe's one end respectively with the T type advance oil pipe fixed intercommunication all around, a plurality of ooze oil pipe's inside all fixed the oil impregnate cotton that is equipped with, set up all around the nut body with a plurality of oil impregnate cotton assorted oil impregnate port.

As an optimal technical scheme of the utility model, the fixed lubricated subassembly that is equipped with in inside of lead screw body.

As a preferred technical scheme of the utility model, lubricated subassembly includes that oiling pipe, a plurality of lead oil pipe and a plurality of lead oily cotton, the fixed inside that runs through the setting at lead screw body and two installation pieces of oiling pipe, a plurality of lead oil pipe fixed setting respectively around the lead screw body is inside, a plurality of lead oil pipe's one end respectively with the fixed intercommunication all around of oiling pipe, a plurality of lead oily cotton fixed setting respectively leads oil pipe's inside at a plurality of.

As a preferred technical scheme of the utility model, two seted up on the installation piece respectively with oiling pipe both ends assorted oil inlet, the hydraulic fluid port is led to lead the cotton assorted of oil with a plurality of has been seted up respectively all around to the lead screw body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a vice nut structure of using of trapezoidal lead screw, through the clearance helicoidal that disappears that sets up in the smooth subassembly of clearance that disappears cooperate with the parcel case with nut body parcel, can eliminate the clearance, improve the whole operation precision of trapezoidal lead screw, moreover, the steam generator is simple in structure and reliable, therefore, the practicality is stronger, through the oil inlet that sets up in the lubricated subassembly and the leading-in lubricating oil of oiling mouth that disappears in the smooth subassembly of clearance, through the oil seepage mouth with lead hydraulic fluid port lubricating oil and from oozing, play lubricated effect at the in-process of nut body and lead screw body operation, should not produce wearing and tearing, convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the present invention.

In the figure: 1. a screw rod body; 2. mounting blocks; 3. a nut body; 4. a gap eliminating lubrication assembly; 41. eliminating a clearance helicoidal; 42. a wrapping drum; 43. a filler; 44. a T-shaped oil inlet pipe; 45. t-shaped oil absorption cotton; 46. an oil seepage pipe; 47. oil-impregnated cotton; 48. an oil filling port; 5. a lubrication assembly; 51. an oil filling pipe; 52. an oil guide pipe; 53. Oil guide cotton; 54. an oil inlet; 55. and an oil guide port.

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. 1-2, the present invention provides a nut structure for a trapezoidal screw pair, which comprises a screw body 1, two mounting blocks 2 and a nut body 3, wherein the two mounting blocks 2 are respectively fixed at two ends of the screw body 1, the nut body 3 is threaded at one end of the screw body 1, one end of the nut body 3 is fixedly provided with an anti-backlash lubrication assembly 4, the anti-backlash lubrication assembly 4 comprises an anti-backlash helicoid 41, a wrapping cylinder 42, a T-shaped oil inlet pipe 44 and a plurality of oil leakage pipes 46, the anti-backlash helicoid 41 is fixed at one end of the nut body 3, the wrapping cylinder 42 is fixedly sleeved at the outer parts of the nut body 3 and the anti-backlash helicoid 41, an anti-backlash filler 43 is filled between the wrapping cylinder 42 and the nut body 3, the T-shaped oil inlet pipe 44 is fixedly inserted and arranged inside the nut body 3 and the anti-backlash helicoid 41, so as to eliminate backlash and improve the overall running precision of the trapezoidal screw, simple structure is reliable, and the practicality is stronger, and a plurality of oil impregnate pipe 46 is fixed the setting respectively in the inside of nut body 3.

Preferably, the top end and the bottom end of the anti-backlash helicoid 41 are respectively provided with two oil injection ports 48 matched with the T-shaped oil inlet pipe 44, the T-shaped oil suction cotton 45 is fixedly arranged inside the T-shaped oil inlet pipe 44, one ends of a plurality of oil penetration pipes 46 are respectively fixedly communicated with the periphery of the T-shaped oil inlet pipe 44, the oil penetration cotton 47 is fixedly arranged inside the plurality of oil penetration pipes 46, the oil penetration ports matched with the plurality of oil penetration cotton 47 are arranged on the periphery of the nut body 3, the lubricating assembly 5 is fixedly arranged inside the screw rod body 1, the lubricating assembly 5 comprises an oil injection pipe 51, a plurality of oil guide pipes 52 and a plurality of oil guide cotton 53, the oil injection pipe 51 is fixedly arranged inside the screw rod body 1 and the two mounting blocks 2 in a penetrating manner, the plurality of oil guide pipes 52 are respectively fixedly arranged on the periphery inside the screw rod body 1, one ends of the plurality of oil guide pipes 52 are respectively fixedly communicated with the periphery of the oil injection pipe 51, the plurality of oil guide cotton 53 are respectively fixedly arranged inside the plurality of oil guide pipes 52, oil inlets 54 matched with two ends of the oil injection pipe 51 are respectively formed in the two mounting blocks 2, oil guide ports 55 matched with the oil guide cotton 53 are respectively formed in the periphery of the lead screw body 1, a lubricating effect is achieved in the running process of the nut body 3 and the lead screw body 1, abrasion is not prone to occurring, and the lead screw is convenient to use.

When the nut structure is used, the nut structure for the trapezoidal screw pair is used, firstly, the anti-backlash lubrication assembly 4 is placed at a corresponding working position, then whether all parts of the lubrication assembly 5 work normally is checked, the nut structure can be used after the checking is finished, the nut body 3 is wrapped by the anti-backlash screw ring 41 arranged in the anti-backlash lubrication assembly 4 and the wrapping barrel 42 in a matching way, the clearance can be eliminated, the integral operation precision of the trapezoidal screw is improved, the structure is simple and reliable, the practicability is strong, lubricating oil is led in through the oil inlet 54 arranged in the lubrication assembly 5 and the oil filling port 48 arranged in the anti-backlash lubrication assembly 4, the lubricating oil leads T-shaped oil absorption cotton 45 through the T-shaped oil inlet pipe 44, the oil absorption cotton 47 in the oil penetration pipe 46 leads the lubricating oil to seep out from the surface of the nut body 3 through the oil penetration port and is attached to the thread clearance, then the lubricating oil reaches the oil filling pipe 51 and seeps out the oil guide port 55 through the oil guide cotton 53, attached to the surface of the screw rod body 1, plays a role in lubricating the nut body 3 and the screw rod body 1 in the running process, is not easy to wear and is convenient to use.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (6)

1. A nut structure for a trapezoidal screw pair comprises a screw body (1), two mounting blocks (2) and a nut body (3), and is characterized in that the two mounting blocks (2) are respectively fixedly arranged at two ends of the screw body (1), the nut body (3) is sleeved at one end of the screw body (1) in a threaded manner, one end of the nut body (3) is fixedly provided with an anti-backlash lubrication assembly (4), the anti-backlash lubrication assembly (4) comprises an anti-backlash helicoid (41), a wrapping cylinder (42), a T-shaped oil inlet pipe (44) and a plurality of oil seepage pipes (46), the anti-backlash helicoid (41) is fixedly arranged at one end of the nut body (3), the wrapping cylinder (42) is fixedly sleeved outside the nut body (3) and the anti-backlash helicoid (41), and anti-backlash fillers (43) are filled between the wrapping cylinder (42) and the nut body (3), the T-shaped oil inlet pipe (44) is fixedly inserted into the nut body (3) and the clearance eliminating helicoidal ring (41), and the oil seepage pipes (46) are respectively and fixedly arranged inside the nut body (3).

2. The nut structure for the trapezoidal screw pair as claimed in claim 1, wherein: the top end and the bottom end of the anti-backlash helicoidal ring (41) are respectively provided with two oil filling ports (48) matched with the T-shaped oil inlet pipe (44), and T-shaped oil absorption cotton (45) is fixedly arranged inside the T-shaped oil inlet pipe (44).

3. The nut structure for the trapezoidal screw pair as claimed in claim 2, wherein: a plurality of ooze the one end of oil pipe (46) respectively with T type advance oil pipe (44) fixed intercommunication all around, a plurality of ooze the inside of oil pipe (46) and all fixedly be equipped with oil-permeable cotton (47), set up all around of nut body (3) with a plurality of oil-permeable cotton (47) assorted oil impregnate port.

4. The nut structure for the trapezoidal screw pair as claimed in claim 1, wherein: and a lubricating assembly (5) is fixedly arranged in the lead screw body (1).

5. The nut structure for the trapezoidal screw pair as defined in claim 4, wherein: lubricated subassembly (5) lead oil pipe (52) and a plurality of including oiling pipe (51), a plurality of and lead oily cotton (53), oiling pipe (51) is fixed to be run through the inside that sets up at lead screw body (1) and two installation pieces (2), a plurality of lead oil pipe (52) fixed setting respectively around lead screw body (1) is inside, a plurality of lead the one end of oil pipe (52) respectively with the fixed intercommunication all around of oiling pipe (51), a plurality of lead oily cotton (53) fixed setting respectively lead the inside of oil pipe (52) at a plurality of.

6. The nut structure for the trapezoidal screw pair as claimed in claim 5, wherein: oil inlets (54) matched with two ends of the oil filling pipe (51) are respectively formed in the two mounting blocks (2), and oil guide ports (55) matched with the oil guide cotton (53) are respectively formed in the periphery of the screw rod body (1).

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