CN219605869U - Inner hole shaft tube - Google Patents

Abstract

The utility model relates to the technical field of inner hole shaft tubes, in particular to an inner hole shaft tube which comprises a shaft tube body, wherein a through hole is formed in the shaft direction of the shaft tube body, connecting shafts are arranged at two ends of the shaft tube body, a gasket is fixed on the surface of the shaft tube body, a hexagonal nut is arranged on one side of the gasket, the hexagonal nut is sleeved on the outer side of the shaft tube body, a friction mechanism is sleeved on the surface of the shaft tube body, the friction mechanism comprises a friction assembly and a groove, the connecting shafts are connected with the shaft tube body through a positioning and mounting mechanism, and a thread running preventing mechanism is arranged on one side of the hexagonal nut. The utility model not only improves the working efficiency of the inner hole shaft tube in use and avoids the phenomenon of thread running of the hexagonal nut in use of the inner hole shaft tube, but also improves the stability of the inner hole shaft tube in use.

Description

Inner hole shaft tube

Technical Field

The utility model relates to the technical field of inner hole shaft tubes, in particular to an inner hole shaft tube.

Background

The shaft tube is a mechanical part, typically in the form of a round rod, which is threaded in the middle of a bearing or wheel or gear for supporting and revolving with a rotating part to transmit motion, torque or bending moment, and the segments may have different diameters, wherein the bore shaft tube is very common in mechanical devices.

The inner hole shaft tube is generally fixed with the connecting shaft when in use, and the general fixing mode is to carry out auxiliary connection through the connecting piece, so that the operation efficiency of the inner hole shaft tube is reduced when in use; when the inner hole shaft tube is used, a hexagonal nut is sleeved on the outer wall of the inner hole shaft tube according to the installation requirement, when the hexagonal nut is installed, an external thread is generally arranged on the outer wall of the inner hole shaft tube, and the hexagonal nut is in threaded connection with the inner hole shaft tube, but after the inner hole shaft tube is used for a long time, the hexagonal nut is easy to run; the surface of the inner hole shaft tube is usually sleeved with a rotating roller when in use, and generally, only two ends of the rotating roller are fixed with the inner hole shaft tube, so that the inner hole shaft tube is easy to have poor stability when in use.

Disclosure of Invention

The utility model aims to provide an inner hole shaft tube, which solves the problems that the working efficiency is low, the phenomenon of wire running easily occurs to a hexagonal nut, and the stability is poor when the inner hole shaft tube is put forward to be used in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an hole central siphon, includes the central siphon body, the through-hole has been seted up to the axial of central siphon body, the both ends of central siphon body all are provided with the connecting axle, the fixed surface of central siphon body has the gasket, one side of gasket is provided with the hexagon nut, the outside at the central siphon body is established to the hexagon nut cover, the surface cover of central siphon body is equipped with friction mechanism, friction mechanism's inside is including friction subassembly and recess, the connecting axle is connected through location installation mechanism with the central siphon body, one side of hexagon nut is provided with prevents running a mechanism.

Preferably, the surface of central siphon body has seted up flutedly, the inside of recess glues and have friction subassembly, friction subassembly's inside is including fixed cover, viscose and friction arch, the inside cover of recess is equipped with fixed cover, the surface of fixed cover all glues and have friction arch.

Preferably, the inner wall of the fixing sleeve is adhered with viscose glue, and the surface of the viscose glue is adhered and fixed with the inner wall of the groove.

Preferably, the positioning and mounting mechanism comprises a mounting part and a sliding groove, the mounting part is fixed at two ends of the shaft tube body, the mounting part comprises a fastening bolt, a limiting sliding bar and a fixing ring, the fixing rings are fixed on the surfaces of two ends of the shaft tube body, and the fixing rings are sleeved on the outer sides of the connecting shafts.

Preferably, the fixed ring and the inner walls of the two sides of the shaft tube body are respectively fixed with a limiting slide bar, both sides of one end of the connecting shaft are respectively provided with a sliding groove, the sliding grooves are in sliding fit with the limiting slide bars, the surfaces of the two sides of the fastening bolts are respectively connected with a fastening bolt in a threaded manner, and one end of each fastening bolt sequentially penetrates through the fixed ring and the limiting slide bars and is in threaded fastening with the inner walls of the sliding grooves.

Preferably, the inside of preventing running a mechanism includes external screw thread and spacing part, the external screw thread has been seted up on the surface of central siphon body, the mutual screw thread cooperation of external screw thread and hexagonal nut, four sets of spacing parts that are used for locking hexagonal nut have been inlayed along circumference to the surface of central siphon body.

Preferably, the limiting component comprises a stop block, a fixed cylinder, an extension spring and a containing hole, four groups of containing holes are formed in the surface of the shaft tube body along the circumferential direction, the fixed cylinder is fixed in the containing hole, the stop block is arranged in the fixed cylinder and is in sliding fit with the fixed cylinder, and the surface of the stop block is tightly attached to the surface of the hexagonal nut.

Preferably, an extension spring is fixed at the bottom of the stop block, and one end of the extension spring is fixedly connected with the inner wall of the fixed cylinder.

Compared with the prior art, the utility model has the beneficial effects that: the inner hole shaft tube not only improves the working efficiency of the inner hole shaft tube in use and avoids the phenomenon that the hexagonal nut runs when the inner hole shaft tube is used, but also improves the stability of the inner hole shaft tube in use;

1. through being provided with the location installation mechanism, set up two spouts that match with spacing draw runner in advance in the one end of connecting axle, later sleeve the central siphon body to the surface of connecting axle, make spacing draw runner slide to the inside of spout, make central siphon body and connecting axle location connection, later rotatory fixed ring surface's installation component, fix central siphon body and connecting axle under the effect of installation component, realized the function of hole central siphon quick connect connection axle, thereby improved the work efficiency when the hole central siphon is used;

2. through being provided with the anti-running mechanism, if the hexagonal nut needs to be sleeved on the surface of the inner hole shaft tube, the hexagonal nut can be sleeved on the surface of the shaft tube body, then the hexagonal nut is pushed, so that the hexagonal nut is positioned on one side of the stop block, then the stop block is pressed, the stop block is contracted to the inside of the accommodating hole, then the hexagonal nut is pushed to the outer side of the external thread, then the hexagonal nut is rotated, the hexagonal nut is fixed under the threaded fit of the hexagonal nut and the external thread, at the moment, one side of the hexagonal nut is tightly attached to the surface of the gasket, meanwhile, the stop block is reset under the elastic force of the extension spring, limiting blocking is carried out on the hexagonal nut, the stop block can be guided under the action of the fixing cylinder, the limiting function of the inner hole shaft tube on the hexagonal nut is realized, and the phenomenon that the hexagonal nut runs when the inner hole shaft tube is used is avoided;

3. through being provided with friction mechanism, with the surface of changeing roller housing to the central siphon body, at this moment, with the inside of fixed cover gluing at the recess under the effect of viscose, the frictional force between multiplicable changeing roller and the central siphon body under the bellied effect of fixed cover surface friction makes more stable between changeing roller and the central siphon body, and then is fixed respectively with changeing roller both ends mutually with the central siphon body, makes the central siphon body drive changeing roller rotation, has realized the function of hole central siphon increase frictional force to stability when having improved the hole central siphon and used.

Drawings

FIG. 1 is a schematic view of a three-dimensional appearance structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic side view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the anti-running mechanism of the present utility model.

In the figure: 1. a shaft tube body; 101. a gasket; 102. a connecting shaft; 103. a hexagonal nut; 2. a friction mechanism; 201. a friction assembly; 2011. a fixed sleeve; 2012. a viscose; 2013. friction protrusions; 202. a groove; 3. positioning and mounting the mechanism; 301. a mounting member; 3011. a fastening bolt; 3012. a limit slide bar; 3013. a fixing ring; 302. a chute; 4. a thread running preventing mechanism; 401. an external thread; 402. a limiting member; 4021. a stop block; 4022. a fixed cylinder; 4023. an extension spring; 4024. and an accommodating hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and furthermore, the terms "first", "second", "third", "up, down, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; all other embodiments, which may be directly or indirectly through intermediaries, which may be obtained by a person of ordinary skill in the art without inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.

The utility model provides a structure of an inner hole shaft tube, as shown in fig. 1 and 2, comprising a shaft tube body 1, wherein a through hole is formed in the shaft tube body 1 in the axial direction, connecting shafts 102 are arranged at two ends of the shaft tube body 1, a gasket 101 is fixed on the surface of the shaft tube body 1, a hexagonal nut 103 is arranged on one side of the gasket 101, the hexagonal nut 103 is sleeved on the outer side of the shaft tube body 1, a friction mechanism 2 is sleeved on the surface of the shaft tube body 1, the friction mechanism 2 comprises a friction assembly 201 and a groove 202, a groove 202 is formed in the surface of the shaft tube body 1, the friction assembly 201 is adhered to the inner part of the groove 202, a fixing sleeve 2011 is sleeved in the groove 202, a friction protrusion 2013 is adhered to the surface of the fixing sleeve 2011, a friction adhesive 2012 is adhered to the inner wall of the fixing sleeve 2011, and the surface of the adhesive 2012 is adhered to the inner wall of the groove 202.

When the quick connecting shaft is used, two sliding grooves 302 matched with the limiting sliding strips 3012 are formed in one end of the connecting shaft 102, then the shaft tube body 1 is sleeved on the surface of the connecting shaft 102, the limiting sliding strips 3012 slide into the sliding grooves 302, the shaft tube body 1 is connected with the connecting shaft 102 in a positioning manner, then the mounting component 301 on the surface of the fixing ring 3013 is rotated, and the shaft tube body 1 is fixed with the connecting shaft 102 under the action of the mounting component 301, so that the function of quickly connecting the inner hole shaft tube with the connecting shaft 102 is realized.

Further, as shown in fig. 2 and 3, the connecting shaft 102 is connected with the shaft tube body 1 through the positioning and mounting mechanism 3, the positioning and mounting mechanism 3 is composed of a mounting component 301 and a sliding groove 302, the mounting component 301 is fixed at two ends of the shaft tube body 1, the mounting component 301 comprises a fastening bolt 3011, a limiting sliding strip 3012 and a fixing ring 3013, the fixing ring 3013 is fixed on the surface of two ends of the shaft tube body 1, the fixing ring 3013 is sleeved on the outer side of the connecting shaft 102, the limiting sliding strip 3012 is fixed on the inner walls of the two sides of the fixing ring 3013 and the shaft tube body 1, the sliding groove 302 is matched with the limiting sliding strip 3012 in a sliding manner, the fastening bolt 3011 is connected with the surface of two sides of the fastening bolt 3011 in a threaded manner, and one end of the fastening bolt 3011 penetrates through the fixing ring 3013 and the limiting sliding strip 3012 in sequence and is fastened with the inner wall of the sliding groove 302 in a threaded manner.

When the quick connecting shaft is used, two sliding grooves 302 matched with the limiting sliding strips 3012 are formed in one end of the connecting shaft 102, then the shaft tube body 1 is sleeved on the surface of the connecting shaft 102, the limiting sliding strips 3012 slide into the sliding grooves 302, the shaft tube body 1 is connected with the connecting shaft 102 in a positioning manner, then the mounting component 301 on the surface of the fixing ring 3013 is rotated, and the shaft tube body 1 is fixed with the connecting shaft 102 under the action of the mounting component 301, so that the function of quickly connecting the inner hole shaft tube with the connecting shaft 102 is realized.

Further, as shown in fig. 4, a thread-running preventing mechanism 4 is provided on one side of the hexagonal nut 103, the inside of the thread-running preventing mechanism 4 includes an external thread 401 and a limiting component 402, the surface of the shaft tube body 1 is provided with the external thread 401, the external thread 401 is in threaded fit with the hexagonal nut 103, four groups of limiting components 402 for locking the hexagonal nut 103 are embedded on the surface of the shaft tube body 1 along the circumferential direction, the limiting component 402 is composed of a stop 4021, a fixing cylinder 4022, an extension spring 4023 and a containing hole 4024, four groups of containing holes 4024 are formed on the surface of the shaft tube body 1 along the circumferential direction, the fixing cylinder 4022 is fixed inside the containing hole 4024, a stop 4021 is arranged inside the fixing cylinder 4022, the stop 4021 is in sliding fit with the fixing cylinder 4022, the surface of the stop 4021 is tightly attached to the surface of the hexagonal nut 103, the extension spring 4023 is fixed at the bottom of the stop 4021, and one end of the extension spring 4023 is fixedly connected with the inner wall of the fixing cylinder 2.

When in use, if the hexagonal nut 103 needs to be sleeved on the surface of the inner hole shaft tube, the hexagonal nut 103 can be sleeved on the surface of the shaft tube body 1, then the hexagonal nut 103 is pushed, the hexagonal nut 103 is located on one side of the stop dog 4021, then the stop dog 4021 is pressed, the stop dog 4021 is contracted to the inside of the accommodating hole 4024, then the hexagonal nut 103 is pushed to the outer side of the external thread 401, then the hexagonal nut 103 is rotated, the hexagonal nut 103 is fixed under the threaded fit of the hexagonal nut 103 and the external thread 401, at this time, one side of the hexagonal nut 103 is tightly attached to the surface of the gasket 101, meanwhile, the stop dog 4021 is reset under the elastic force of the extension spring 4023, limiting blocking is carried out on the hexagonal nut 103, and the stop dog 4021 can be guided under the action of the fixing cylinder 4022, so that the limiting function of the inner hole shaft tube to the hexagonal nut 103 is realized.

Working principle: when the hexagonal nut 103 is needed to be sleeved on the surface of the inner hole shaft tube, the hexagonal nut 103 can be sleeved on the surface of the shaft tube body 1, then the hexagonal nut 103 is pushed, the hexagonal nut 103 is located on one side of the stop dog 4021, then the stop dog 4021 is pressed, the stop dog 4021 is contracted to the inside of the accommodating hole 4024, then the hexagonal nut 103 is pushed to the outer side of the external thread 401, then the hexagonal nut 103 is rotated, the hexagonal nut 103 is fixed under the threaded fit of the hexagonal nut 103 and the external thread 401, at the moment, one side of the hexagonal nut 103 is tightly attached to the surface of the gasket 101, meanwhile, the stop dog 4021 is reset under the action of the elasticity of the extension spring 4023, limiting blocking is carried out on the hexagonal nut 103, and the stop dog 4021 can be guided under the action of the fixing cylinder 4022, so that the limiting function of the inner hole shaft tube to the hexagonal nut 103 is achieved, and the phenomenon that the hexagonal nut 103 runs when the inner hole shaft tube is used is avoided.

Then, two sliding grooves 302 matched with the limiting sliding strips 3012 are formed in one end of the connecting shaft 102 in advance, then the shaft tube body 1 is sleeved on the surface of the connecting shaft 102, the limiting sliding strips 3012 slide into the sliding grooves 302, the shaft tube body 1 is in positioning connection with the connecting shaft 102, then the mounting part 301 on the surface of the fixing ring 3013 is rotated, and the shaft tube body 1 is fixed with the connecting shaft 102 under the action of the mounting part 301, so that the function of quickly connecting the inner hole shaft tube with the connecting shaft 102 is realized, and the working efficiency of the inner hole shaft tube in use is improved.

The roller sleeve can be arranged on the surface of the shaft tube body 1, at the moment, the fixing sleeve 2011 is adhered to the inside of the groove 202 under the action of the adhesive 2012, the friction force between the roller and the shaft tube body 1 can be increased under the action of the friction bulge 2013 on the surface of the fixing sleeve 2011, so that the roller and the shaft tube body 1 are more stable, and then the two ends of the roller are respectively fixed with the shaft tube body 1, so that the shaft tube body 1 drives the roller to rotate, the function of increasing the friction force of the inner hole shaft tube is realized, the stability of the inner hole shaft tube in use is improved, and the use work of the inner hole shaft tube is finally completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. An inner hole shaft tube comprises a shaft tube body (1), and is characterized in that: the novel shaft tube comprises a shaft tube body (1), wherein a through hole is formed in the shaft direction of the shaft tube body (1), connecting shafts (102) are arranged at two ends of the shaft tube body (1), gaskets (101) are fixed on the surfaces of the shaft tube body (1), hexagonal nuts (103) are arranged on one sides of the gaskets (101), the hexagonal nuts (103) are sleeved on the outer sides of the shaft tube body (1), friction mechanisms (2) are sleeved on the surfaces of the shaft tube body (1), the friction assemblies (201) and grooves (202) are formed in the friction mechanisms (2), and the connecting shafts (102) are connected with the shaft tube body (1) through positioning and mounting mechanisms (3), and one sides of the hexagonal nuts (103) are provided with anti-running screw mechanisms (4).

2. The bore axle tube as set forth in claim 1, wherein: the novel shaft tube comprises a shaft tube body (1), and is characterized in that a groove (202) is formed in the surface of the shaft tube body (1), a friction assembly (201) is adhered to the inner portion of the groove (202), the friction assembly (201) comprises a fixing sleeve (2011), viscose (2012) and friction protrusions (2013), the fixing sleeve (2011) is sleeved on the inner portion of the groove (202), and the friction protrusions (2013) are adhered to the surface of the fixing sleeve (2011).

3. The bore axle tube as set forth in claim 2, wherein: an adhesive (2012) is adhered to the inner wall of the fixing sleeve (2011), and the surface of the adhesive (2012) is adhered and fixed with the inner wall of the groove (202).

4. The bore axle tube as set forth in claim 1, wherein: the positioning and mounting mechanism (3) consists of a mounting part (301) and a sliding groove (302), wherein the mounting part (301) is fixed at two ends of the shaft tube body (1), the mounting part (301) comprises a fastening bolt (3011), a limiting sliding strip (3012) and a fixing ring (3013), the fixing ring (3013) is fixed on the surfaces of two ends of the shaft tube body (1), and the fixing ring (3013) is sleeved on the outer side of the connecting shaft (102).

5. The bore axle tube as set forth in claim 4, wherein: the fixed ring (3013) and the inner walls of two sides of the shaft tube body (1) are respectively fixed with a limiting slide bar (3012), sliding grooves (302) are respectively formed in two sides of one end of the connecting shaft (102), the sliding grooves (302) are in sliding fit with the limiting slide bars (3012), the surfaces of two sides of the fastening bolts (3011) are respectively connected with the fastening bolts (3011) in a threaded manner, and one end of each fastening bolt (3011) sequentially penetrates through the fixed ring (3013), the limiting slide bars (3012) and is in threaded fastening with the inner walls of the sliding grooves (302).

6. The bore axle tube as set forth in claim 1, wherein: the inside of preventing running silk mechanism (4) contains external screw thread (401) and spacing part (402), external screw thread (401) have been seted up on the surface of central siphon body (1), external screw thread (401) and hexagonal nut (103) screw-thread fit each other, four limit part (402) that are used for locking hexagonal nut (103) are inlayed along circumference to the surface of central siphon body (1).

7. The bore axle tube as set forth in claim 6, wherein: the limiting component (402) comprises a stop block (4021), a fixed cylinder (4022), an extension spring (4023) and a containing hole (4024), four groups of containing holes (4024) are formed in the surface of the shaft tube body (1) along the circumferential direction, the fixed cylinder (4022) is fixed in the containing hole (4024), the stop block (4021) is arranged in the fixed cylinder (4022), the stop block (4021) is in sliding fit with the fixed cylinder (4022), and the surface of the stop block (4021) is tightly attached to the surface of the hexagonal nut (103).

8. The bore axle tube as set forth in claim 7, wherein: an extension spring (4023) is fixed at the bottom of the stop block (4021), and one end of the extension spring (4023) is fixedly connected with the inner wall of the fixed cylinder (4022).