Telescopic pipe body and telescopic door fence with same

Abstract

The utility model discloses a telescopic pipe body and a telescopic door fence with the telescopic pipe body, according to the technical scheme, an embedded pipe and an outer sleeve are arranged, a locking structure enables the telescopic pipe body to have strong supporting force and achieve stepless adjustment by fastening the embedded pipe and the outer sleeve, and particularly, the telescopic pipe body is provided with the telescopic door fence and the telescopic door fence with the telescopic pipe body. The locking structure is arranged at the end, facing the outer sleeve, of the embedded pipe, the surface of the locking structure is sleeved with the elastic component, meanwhile, a screwing part is arranged in the elastic component in a matched mode, a crack groove is formed in the surface to enhance friction force, meanwhile, protrusions are arranged on the surface to further enhance the friction force, and the supporting effect is improved. In addition, a limiting component is arranged to limit movement of the elastic component to enhance supporting stability, finally, an ejector rod is further arranged to conduct fine adjustment on stepless adjustment, and specifically, a foot pad with lines formed on the surface is further arranged to enhance friction force of a plane for skid resistance.

Description

Technical Field

[0001] The utility model relates to the field of telescopic mechanical appliances, and particularly relates to a telescopic tube body and a telescopic railing with the tube body. Background Art

[0002] A telescopic tube is a support rod with adjustable length, which is composed of sequentially sleeved pipe fittings. The telescopic tube usually adopts a pole-adjustment structure such as a plug and a jack. The adjustment length range of the pole-adjustment is limited, and the applicable scenarios are less in daily use. At the same time, the support strength of the existing telescopic tube is often insufficient, and there are potential safety hazards. Therefore, the telescopic tube in the prior art has the defect of poor versatility due to the inability to perform stepless adjustment, and also has the defect of potential safety hazards due to insufficient support strength. Summary of the Utility Model

[0003] The main purpose of the utility model is to propose a telescopic tube body and a telescopic railing with the telescopic tube body, aiming to solve the technical problems of poor versatility and poor support strength caused by pole-adjustment of the telescopic tube in the prior art, which are prone to cause potential safety hazards.

[0004] To achieve the above object, the utility model proposes a telescopic tube body, comprising:

[0005] An inner sleeve tube;

[0006] An outer sleeve tube, which is movably sleeved outside the inner sleeve tube. The outer sleeve tube includes a narrow tube portion and a wide tube portion, and the inner sleeve tube extends into the outer sleeve tube from the narrow tube portion;

[0007] A clamping portion, which restricts the inner sleeve tube from disengaging from the outer sleeve tube by abutting against the narrow tube portion;

[0008] A locking structure, which includes a first thread portion for screwing the outer sleeve tube to restrict the relative movement between the inner sleeve tube and the outer sleeve tube, and a screwing portion is fitted and installed on the first thread portion.

[0009] Further, the screwing portion is formed on the inner wall of the outer sleeve tube.

[0010] Further, an elastic member is sleeved on the surface of the locking structure, and the screwing portion is formed on the inner wall of the elastic member.

[0011] Further, at least one crack groove is penetratively formed on the surface of the elastic member, and a connecting member for connecting the disconnected elastic member is provided on the crack groove.

[0012] Further, protrusions for increasing the surface friction of the elastic member are provided on the surface of the elastic member. The protrusions are arranged along the direction of the extension of the tube body, and the protrusions are in a long strip structure and are densely distributed on the surface of the elastic member.

[0013] Furthermore, a limiting component is formed at the top end of the embedded tube toward the outer sleeve for limiting the movement of the elastic component relative to the locking structure. The limiting component is formed at one end of the locking structure close to the first threaded portion. The limiting component includes a straight rod portion and an abutting portion for abutting the elastic component to clamp it.

[0014] Furthermore, the outward-facing ports of the embedded tube and / or the outer tube are provided with a push rod which can be flexibly extended and retracted relative to the embedded tube and the outer tube to further adjust the length of the tube body. The push rod includes a second threaded portion and an outer rod screwed to the second threaded portion. At the same time, the push rod also includes a foot pad which is sleeved on the outer rod and has a supporting function, and the foot pad is formed with anti-slip patterns.

[0015] Furthermore, the outer rod is also provided with a rotating ring portion, and the rotating ring is integrally formed with the outer rod or fixedly connected to the outer rod.

[0016] The utility model also provides a telescopic gate with a telescopic tube body, comprising: a connecting rod and a fabric body, the connecting rod is used to connect the telescopic tube body, the connecting rod and the telescopic tube body are connected by a sleeve ring, and the fabric edge of the fabric body is sleeved on the telescopic tube body and the connecting rod.

[0017] Furthermore, the fabric body is formed with elastic fabric in the central area, and the elastic fabric is provided with holes for further enhancing stretchability and air permeability.

[0018] The technical solution of the utility model is to set an inner tube and an outer tube. The locking structure fastens the inner tube and the outer tube so that the retractable tube body has a strong supporting force and realizes stepless adjustment. Specifically, the locking structure is set at one end of the inner tube facing the outer tube, and an elastic component is sleeved on the surface of the locking structure. At the same time, a tightening part is arranged inside the elastic component and a groove is opened on the surface to enhance the friction force. At the same time, a protrusion is arranged on the surface to further enhance the friction force and improve the supporting effect. In addition, a limiting component is arranged to limit the movement of the elastic component to enhance the stability of the support. Finally, a push rod is arranged to fine-tune the stepless adjustment. Specifically, a foot pad with a textured surface is arranged to enhance the friction of the plane for anti-slip. In general, the utility model has the beneficial effects of stepless adjustment, strong versatility, strong supporting effect and safe use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the retractable gate;

[0020] Figure 2 It is a schematic diagram of the exploded structure of the retractable gate;

[0021] Figure 3 It is a three-dimensional structural cross-sectional view of the telescopic tube;

[0022] Figure 4It is a schematic diagram of the local structure of the telescopic tube;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the locking structure.

[0024] The above drawings include the following reference numerals:

[0025] 10. retractable tube body; 100. retractable gate; 1. embedded tube; 11. clamping part; 2. outer sleeve; 21. narrow tube part; 22. wide tube part; 3. locking structure; 31. first threaded part; 32. limiting component; 321. straight rod part; 322. interference part; 4. elastic component; 41. crack groove; 42. connecting component; 43. protrusion; 5. tightening part; 6. push rod; 61. outer rod; 62. rotating ring; 63. foot pad; 631. texture; 7. connecting rod; 8. sleeve ring; 9. fabric body; 91. elastic fabric; 92. hole. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0028] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the utility model, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0029] The utility model provides a telescopic tube 10 .

[0030] In the embodiments of the present utility model, as Figures 1 to 5 shown, the telescopic tube body 10 includes an inner embedded tube 1 and an outer sleeve tube 2. The outer sleeve tube 2 is movably sleeved outside the inner embedded tube 1. The outer sleeve tube 2 includes a narrow tube portion 21 and a wide tube portion 22. The inner embedded tube 1 extends into the narrow tube portion 21. Among them, a clamping portion 11 is provided to limit the inner embedded tube 1 from disengaging from the outer sleeve tube 2 by abutting against the narrow tube portion 21. When the inner embedded tube 1 slides outwards, when reaching the critical length, that is, the maximum length of the telescopic tube body 10, the narrow tube portion 21 abuts against the clamping portion 11, and the inner embedded tube 1 cannot fall off from the outer sleeve tube 2 because it is restricted by the clamping portion 11 at the position of the narrow tube portion 21; Secondly, it also includes a locking structure 3. The locking structure 3 includes a first thread portion 31 for tightening the outer sleeve tube 2 to limit the relative movement between the inner embedded tube 1 and the outer sleeve tube 2. A tightening portion 5 is fitted and installed on the first thread portion 31.

[0031] It should be noted at the beginning that the forming method of the locking structure 3. In a preferred embodiment, the locking structure 3 and the inner embedded tube 1 are integrally formed. Specifically, the locking structure 3 is formed at one end of the inner embedded tube 1 embedded towards the outer sleeve tube 2, and the inner embedded tube 1 itself and the outer sleeve tube 2 are locked at this part. In some other embodiments, the locking structure 3 and the inner embedded tube 1 do not have to be integrally formed. As Figure 4 shown, the locking structure 3 is actually the entire part of the clamping portion 11 located on the side of the inner embedded tube 1 facing the elastic member 4. In the case of split connection, that is, conventional threads, flanges, buckles, or adhesions and other forms are provided between the inner embedded tube 1 and the locking structure 3 for split fixed connection. It can be understood that the aforementioned clamping portion 11 can be installed on the inner embedded tube 1 or on the locking structure 3, and it can be stuck in the narrow tube portion 21 when the inner embedded tube 1 and the outer sleeve tube 2 move to the critical distance. The beneficial effect of the integrally formed case as the preferred embodiment is that it reduces the assembly amount, and the support effect will be more stable and will not depend on the split connection situation to affect the support effect.

[0032] In this embodiment, the locking structure 3 locks the inner embedded tube 1 and the outer sleeve tube 2 through the threaded connection of the first thread portion 31 and the tightening portion 5. As a general reference embodiment, the tightening portion 5 is formed on the inner wall of the outer sleeve tube 2. In this embodiment, by rotating the outer sleeve tube 2, the tightening portion 5 formed inside the outer sleeve tube 2 is docked with the first thread portion 31 to realize the locking of the inner embedded tube 1 and the outer sleeve tube 2.

[0033] Specifically, in order to enhance the support effect of the present utility model, an elastic member 4 is sleeved on the surface of the locking structure 3, and the aforementioned tightening portion 5 is preferably formed on the inner wall of the elastic member 4. The reason for using the elastic member 4 is to utilize its elastic deformation property to press the locking structure 3 between the inner embedded tube 1 and the outer sleeve tube 2, thereby further enhancing the support effect.

[0034] More specifically, at least one crack 41 is formed through the surface of the elastic component 4, and a connecting component 42 is disposed on the crack 41 for connecting the disconnected elastic component 4. The function of the crack 41 is to make the elastic component 4 loose, so that the elastic component 4 can release stronger elastic potential energy when moving during the aforementioned elastic deformation process, and the function of the connecting component 42 is to enable the elastic component 4 to be smoothly fixed on the first threaded portion 31, so that the elastic component 4 will not fall off from the first threaded portion 31 and affect its use.

[0035] In some preferred embodiments, the surface of the elastic component 4 is provided with protrusions 43 for increasing the surface friction of the elastic component 4. Furthermore, the protrusions 43 are arranged as vertical strips along the extension direction of the tube body. It can be understood that the advantage of this vertical arrangement structure is that it can further enhance the friction on the surface of the elastic component 4. In fact, it can also be arranged inclined or horizontally, but the effect is not as good as that of the preferred embodiment. Furthermore, the protrusions 43 are in the form of strips and are vertically densely distributed on the surface of the elastic component 4. In order to better enhance the surface friction, the strip protrusions 43 are densely distributed on the surface of the elastic component 4. In some other embodiments, dot matrix protrusions 43 can also be used.

[0036] In this embodiment, a limiting component 32 for limiting the movement of the elastic component 4 relative to the locking structure 3 is formed on the top end of the inner tube 1 facing the outer tube 2 .

[0037] Specifically, the limiting component 32 is formed at one end of the locking structure 3 close to the first threaded portion 31. The limiting component 32 includes a straight rod portion 321 and an abutting portion 322 for abutting the elastic component 4 to clamp it. The straight rod portion 321 and the abutting portion 322 together create a height difference, which can limit the elastic component 4 to move in the part of the straight rod portion 321. When the elastic component 4 moves to the abutting portion at most, the elastic component 4 stops moving, and when moving in the reverse direction, it moves to the starting point of the straight rod portion 321 at most, that is, it ends. The so-called starting point is calculated from the first threaded portion 31, and the specific reference is as follows. Figure 5 Understand the content shown.

[0038] In the present embodiment, the outward ports of the embedded tube 1 and / or the outer tube 2 are provided with a push rod 6 for further adjusting the length of the tube body in detail relative to the movable extension and retraction of the embedded tube 1 and the outer tube 2. The push rod 6 includes a second threaded portion (not shown) and an outer rod 61 screwed to the second threaded portion. When the push rod 6 is in use, the outer rod 61 is rotated, and the outer rod 61 is rotated outward around the second threaded portion to push out and stretch the distance, thereby adjusting the distance. When the outer rod 61 rotates, in order to facilitate rotation, the outer rod 61 is also provided with a rotating ring 62. The rotating ring 62 and the outer rod 61 are integrally formed or fixedly connected to the outer rod 61. When in use, the rotating ring 62 is rotated to drive the entire outer rod 61 to rotate. For details, refer to Figures 1 to 3 The content shown.

[0039] As a preferred embodiment, the top rod 6 also includes a foot pad 63 which is sleeved on the outer rod 61 and has a supporting function. The foot pad 63 can better support the bottom of the telescopic tube 10, and the more effective aspect of the foot pad 63 is that it can prevent slipping during use.

[0040] It is understandable that the foot pad 63 can also be independently arranged at the outward end of the inner tube 1 and / or the outer tube 2 without the top rod 6. For details, please refer to Figures 1 to 3 As for the configuration mode, in this embodiment, only two top rods 6 are provided in two parallel rows of tube bodies because providing more top rods 6 will be redundant. As a preferred embodiment, two top rods 6 are provided, and in fact, 2-4 top rods can be provided.

[0041] Furthermore, the foot pad 63 is formed with anti-skid patterns 631, which are used to enhance the anti-skid effect of the foot pad 63. The pattern 631 is part of the prior art, and its specific configuration is referred to the prior art.

[0042] Regarding a retractable tube body 10, it is worth mentioning that the most important advancement of the tube body lies in the locking structure 3 feature. The locking structure 3 effectively strengthens the supporting force between the tube body structures, so that it can be applied to most fields that require supporting force, such as crutches, door rails, clotheslines, etc.

[0043] The utility model also provides a telescopic gate 100 with a telescopic tube 10, including a connecting rod 7 and a fabric body 9, wherein the connecting rod 7 is used to connect the telescopic tube 10, and the connecting rod 7 and the telescopic tube 10 are connected by a sleeve 8. When the sleeve 8 is in use, refer to the attached Figure 1 The ring 8 is clamped between the rotating ring 62 and the foot pad 63 and fixed thereto to prevent children from drilling out of the door railing. When it needs to be folded or shipped, the ring 8 is removed from between the rotating ring 62 and the foot pad 63. At this time, the ring 8 can move on the embedded tube 1 and the outer tube 2 to further shrink the door railing, and the cloth edge of the cloth body 9 is sleeved on the telescopic tube body 10 and the connecting rod 7.

[0044] Furthermore, an elastic cloth 91 is formed in the central area of the fabric body 9. To cooperate with the movable functions of the telescopic tube body 10 and the connecting rod 7, the fabric body 9 preferably forms the elastic cloth 91 in the central area. In some other embodiments, a fabric body 9 with a larger area can be directly adopted, and there is no need to care about the problem of elastic stretching.

[0045] Furthermore, the elastic cloth 91 is provided with holes 92 for further enhancing the stretchability and breathability. The key function of the holes 92 lies in breathability, and in addition, the stretchability of the fabric body 9 can also be enhanced to a lesser extent.

[0046] Regarding the structure of a telescopic tube body 10, please refer to the foregoing part. Since a telescopic door barrier 100 having a telescopic tube body 10 adopts all the technical solutions of all embodiments of a telescopic tube body 10, it therefore has at least all the beneficial effects brought by the technical solutions of the above embodiments, and will not be elaborated herein one by one.

[0047] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A telescopic tube body, characterized in that, include: Inline tube; An outer sleeve is movably sleeved on the outside of the inner tube, the outer sleeve comprises a narrow tube portion and a wide tube portion, and the inner tube extends into the outer sleeve from the narrow tube portion; The clamping portion is used to prevent the inner tube from coming out of the outer tube by abutting against the narrow tube portion; The locking structure comprises a first threaded portion for tightening the outer sleeve to limit the relative movement of the inner tube and the outer sleeve, and a tightening portion is mounted on the first threaded portion.

2. The telescopic tube body according to claim 1, wherein: The tightening portion is formed on the inner wall of the outer sleeve.

3. The telescopic tube body according to claim 1, characterized in that: An elastic component is sleeved on the surface of the locking structure, and the tightening portion is formed on the inner wall of the elastic component.

4. The retractable tube body according to claim 3, wherein: At least one crack is formed through the surface of the elastic component, and a connecting component for connecting the disconnected elastic component is arranged on the crack.

5. The telescopic tube body according to claim 3, wherein: The surface of the elastic component is provided with protrusions for increasing the friction force of the surface of the elastic component. The protrusions are arranged along the direction in which the tube body extends, and the protrusions are in a long strip structure and densely distributed on the surface of the elastic component.

6. The telescopic tube body according to claim 3, wherein: A limiting component is formed at the top end of the embedded tube facing the outer sleeve to limit the movement of the elastic component relative to the locking structure. The limiting component is formed at one end of the locking structure close to the first threaded portion. The limiting component includes a straight rod portion and an abutting portion for abutting the elastic component to clamp it.

7. The telescopic tube body according to claim 1, characterized in that: The outward-facing port of the embedded tube and / or the outer tube is provided with a push rod which can be flexibly extended and retracted relative to the embedded tube and the outer tube to further adjust the length of the tube body. The push rod includes a second threaded portion and an outer rod screwed onto the second threaded portion. At the same time, the push rod also includes a foot pad which is sleeved on the outer rod and has a supporting function, and the foot pad is formed with anti-slip patterns.

8. The telescopic tube body according to claim 7, wherein: The outer rod is also provided with a rotating ring part, and the rotating ring is integrally formed with the outer rod or fixedly connected to the outer rod.

9. A retractable door barrier having a retractable tube body according to any one of claims 1 to 8, characterized in that, The utility model comprises: a connecting rod and a fabric body, wherein the connecting rod is used for connecting a telescopic tube body, the connecting rod and the telescopic tube body are connected via a sleeve ring, and the fabric edge of the fabric body is sleeved on the telescopic tube body and the connecting rod.

10. The retractable door barrier with a retractable tube body as claimed in claim 9, wherein: The fabric body is formed with an elastic fabric in the central area, and the elastic fabric is provided with holes for further enhancing stretchability and air permeability.

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