CN220857543U - Polytetrafluoroethylene sleeve - Google Patents

Abstract

The utility model discloses a polytetrafluoroethylene sleeve, which comprises a first pipe body and a second pipe body, and is characterized in that: one end of the first pipe body is sleeved in the second pipe body, and the second pipe body is fixed with the first pipe body through the adjusting mechanism; the adjusting mechanism comprises a mounting ring, the mounting ring is sleeved on the outer side wall of the second pipe body, a plurality of groups of slots are uniformly formed in the outer side wall of the first pipe body, through holes are formed in the second pipe body and the mounting ring, and limiting bolts are arranged in the through holes. The utility model is provided with the adjusting structure, thereby realizing the adaptable adjustment of the length of the polytetrafluoroethylene sleeve, avoiding the trouble that the traditional polytetrafluoroethylene sleeve cannot be fixed in length and cannot be adjusted according to the length of a lead, improving the practicability and the application range of the polytetrafluoroethylene sleeve, and simultaneously avoiding the complicated process of splicing and lengthening the multi-section polytetrafluoroethylene sleeve.

Description

Polytetrafluoroethylene sleeve

Technical Field

The utility model relates to the technical field of pipes, in particular to a polytetrafluoroethylene sleeve.

Background

The polytetrafluoroethylene tube is a high-quality plunger extrusion tube, has a very low friction factor, is a good antifriction and self-lubricating material, and has a static friction coefficient smaller than a dynamic friction coefficient, so that the polytetrafluoroethylene tube has the advantages of small starting resistance and smooth running when being used for manufacturing a bearing. Because the polytetrafluoroethylene material is nonpolar, heat-resistant and water-resistant, the polytetrafluoroethylene tube is an excellent electric insulation material and is suitable for a wire insulation sheath. The polytetrafluoroethylene tube in the prior art is mostly of a fixed length after production, when the polytetrafluoroethylene tube is used as an insulating sheath of some wires with longer lengths, proper length adjustment of the tube body cannot be performed according to the specific lengths of the wires, and the polytetrafluoroethylene tube needs to be spliced in addition to achieve the effect of surrounding the sleeved wires, so that the polytetrafluoroethylene tube is very inconvenient to use, and the splicing working strength is high, so that the working efficiency of staff is lower.

Therefore, the utility model designs a polytetrafluoroethylene sleeve to solve the problems existing in the prior art.

Disclosure of utility model

The present utility model is directed to a polytetrafluoroethylene sleeve to solve the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the polytetrafluoroethylene sleeve comprises a first pipe body and a second pipe body, and is characterized in that:

One end of the first pipe body is sleeved in the second pipe body, and the second pipe body is fixed with the first pipe body through the adjusting mechanism;

the adjusting mechanism comprises a mounting ring, the mounting ring is sleeved on the outer side wall of the first pipe body, a plurality of groups of slots are uniformly formed in the outer side wall of the second pipe body, through holes are formed in the second pipe body and the mounting ring, limiting bolts are arranged in the through holes and contact with the slots, tension springs are arranged on the outer side wall of the limiting bolts, and two ends of each tension spring are connected with the mounting ring and the limiting bolts respectively.

Through above-mentioned technical scheme, the collar is used for fixed spacing bolt and extension spring, sets up the slot of different gears and conveniently carries out adaptability adjustment to polytetrafluoroethylene sheathed tube length, sets up spacing bolt and is used for fixed body one and body two, sets up the extension spring and carries out spacingly to spacing bolt, prevents to drop to reset spacing bolt through the elasticity that deformation produced, simplify manual intervention.

Preferably, the bottom of the limit plug pin is an inclined plane.

Through the technical scheme, the limiting plug is convenient to contact and slide with the inner surface of the jack on the first pipe body under the action of pulling force.

Preferably, at least two groups of slots are formed.

Through above-mentioned technical scheme, realize that length adjustment needs two sets of slots at least, make things convenient for spacing bolt to insert, and then adjust polytetrafluoroethylene sleeve pipe length.

Preferably, sliding strips are symmetrically arranged on the outer side of the first pipe body.

Through the technical scheme, the first pipe body can conveniently slide in the second pipe body.

Preferably, the inner side of the second pipe body is symmetrically provided with a sliding groove, and a sliding strip is arranged in the sliding groove.

Through the technical scheme, the first pipe body can conveniently slide in the second pipe body, and the first pipe body is guided.

Preferably, the outer diameter of the sliding strip corresponds to the inner diameter of the sliding groove.

Through above-mentioned technical scheme, prevent that body one from appearing rocking when sliding in body two, and then influence the accuracy nature that spacing bolt inserted in the jack.

Compared with the prior art, the utility model has the beneficial effects that: the polytetrafluoroethylene sleeve is provided with a plurality of grooves,

Be provided with adjustment structure, establish in the outside of body one through two covers with the body, spacing bolt runs through body two and inserts in the jack of seting up on body one, from this spacing is carried out to body one and the flexible length of body two, polytetrafluoroethylene sheathed tube length adaptability adjustment has been realized, traditional polytetrafluoroethylene sleeve pipe length is fixed has been avoided, can't carry out sheathed tube length adjustment's work puzzlement according to wire length, polytetrafluoroethylene sheathed tube practicality and application scope have been improved, the loaded down with trivial details process of splicing the multistage polytetrafluoroethylene sleeve pipe has also been avoided simultaneously, this polytetrafluoroethylene sleeve pipe carries out sleeve length extension through pulling body one or body two, pull up spacing bolt and make body one carry out length contraction at the inside slip of body two, polytetrafluoroethylene sheathed tube length adjustment can be accomplished, the course of working is simple and efficient, and work efficiency has been improved.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

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

FIG. 3 is a schematic side cross-sectional view of the present utility model.

In the figure: 1. a first pipe body; 2. a second pipe body; 3. adjusting the structure; 301. a mounting ring; 302. a limit bolt; 303. a tension spring; 4. a slide bar; 5. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the polytetrafluoroethylene sleeve comprises a first pipe body 1 and a second pipe body 2, and is characterized in that:

One end of the first pipe body 1 is sleeved in the second pipe body 2, and the second pipe body 2 is fixed with the first pipe body 1 through an adjusting mechanism 3;

The adjusting mechanism 3 comprises a mounting ring 301, the mounting ring 301 is sleeved on the outer side wall of the pipe body II 2, a plurality of groups of slots are uniformly formed in the outer side wall of the pipe body I1, through holes are formed in the pipe body II and the mounting ring 301, a limiting bolt 302 is arranged in each through hole, the limiting bolt 302 penetrates through the through holes to be in contact with the slots, a tension spring 303 is arranged on the outer side wall of the limiting bolt 302, and two ends of the tension spring 303 are connected with the mounting ring 301 and the limiting bolt 302 respectively.

Referring to fig. 2, the present utility model provides a technical solution: the bottom of the limit plug 302 is provided with an inclined plane.

Referring to fig. 2, the present utility model provides a technical solution: the slots are provided with at least two groups.

Referring to fig. 3, the present utility model provides a technical solution: the outer side of the first pipe body 1 is symmetrically provided with sliding strips 4.

Referring to fig. 2, the present utility model provides a technical solution: the inner side of the second pipe body 2 is symmetrically provided with a sliding groove 5, and a sliding strip 4 is arranged in the sliding groove 5.

Referring to fig. 2 and 3, the present utility model provides a technical solution: the outer diameter of the slide bar 4 corresponds to the inner diameter of the slide groove 5.

Working principle: when the length of the wire is longer and the length of the polytetrafluoroethylene sleeve needs to be adjusted, firstly, the limiting bolt 302 is pulled upwards, the limiting bolt 302 is far away from the slot, the fixing of the first tube body 1 and the second tube body 2 is canceled, the first tube body 1 can slide in the second tube body 2, the sliding of the first tube body 1 is guided through the sliding strip 4 sliding in the sliding groove 5, until the limiting bolt 302 is close to the slot at the central axis position of the first tube body 1, the limiting bolt 302 is loosened, the limiting bolt 302 rebounds under the action of deformation tension of the tension spring 303, the limiting bolt 302 is inserted into the jack, the length of the polytetrafluoroethylene sleeve is the shortest at this moment, secondly, the wire is inserted into the polytetrafluoroethylene sleeve, the first tube body 1 or the second tube body 2 is pulled horizontally and transversely, the limiting bolt 302 which is arranged at the bottom end is in an inclined plane continuously slides under the action of the tension, and can be inserted into each slot in sequence and accurately under the guiding action of the sliding strip 4 and the sliding groove 5 until the limiting bolt 302 stops extending to the length of the wire is adapted, and the limiting bolt 302 is inserted into the jack at a proper position, and the adaptive adjustment of the length of the polytetrafluoroethylene sleeve is completed.

This completes the entire operation and what is not described in detail in this specification is well known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The polytetrafluoroethylene sleeve comprises a first pipe body (1) and a second pipe body (2), and is characterized in that:

One end of the first pipe body (1) is sleeved in the second pipe body (2), and the second pipe body (2) is fixed with the first pipe body (1) through an adjusting mechanism (3);

Adjustment mechanism (3) are including collar (301), and collar (301) cover is established on the lateral wall of body two (2), multiunit slot has evenly been seted up on the lateral wall of body one (1), through-hole has all been seted up to body two (2) and collar (301), and the inside of through-hole is provided with spacing bolt (302), spacing bolt (302) run through the through-hole and contact with the slot, be provided with extension spring (303) on the lateral wall of spacing bolt (302), and the both ends of extension spring (303) are connected with collar (301) and spacing bolt (302) respectively.

2. A polytetrafluoroethylene sleeve according to claim 1, wherein: the bottom of the limiting bolt (302) is provided with an inclined plane.

3. A polytetrafluoroethylene sleeve according to claim 1, wherein: the slots are at least provided with two groups.

4. A polytetrafluoroethylene sleeve according to claim 1, wherein: and sliding strips (4) are symmetrically arranged on the outer side of the first pipe body (1).

5. A polytetrafluoroethylene sleeve according to claim 1, wherein: the inner side of the second pipe body (2) is symmetrically provided with a sliding groove (5), and a sliding strip (4) is arranged in the sliding groove (5).

6. A polytetrafluoroethylene sleeve according to claim 5, wherein: the outer diameter of the sliding strip (4) corresponds to the inner diameter of the sliding groove (5).