High-stability comfortable guide sleeve

Abstract

The utility model provides a high-stability comfortable guide sleeve, which relates to the technical field of guide sleeves, and comprises a guide sleeve body, a connecting groove is formed in the outer wall of the guide sleeve body, a protective shell is arranged at the top of the guide sleeve body, a placing block is fixedly mounted on the outer wall of the protective shell, a limiting groove is formed in the bottom of the placing block, and a first threaded hole is formed in the inner wall of the limiting groove in a penetrating manner; a first threaded rod is in threaded connection with the interior of the first threaded hole. During installation, a worker sleeves the top of the guide sleeve body with the protective shell and rotates the first handle, the first handle drives the first threaded rod to rotate, the first threaded rod moves along the first threaded hole, the connecting block enters the connecting groove, at the moment, the outer wall of the connecting block is attached to the inner wall of the connecting groove, and installation can be completed. And then a worker rotates a second grip, a second threaded rod descends, a fixing block enters a fixing groove, at the moment, an unlocking button can be fixed, and at the moment, a protective shell can play a role in protecting the guide sleeve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to guide sleeve technical field especially high stable comfortable guide sleeve. BACKGROUND

[0002] The automobile headrest is a kind of driving comfort configuration and safety protection article.In the rear-end collision of vehicle, human body will be backward due to inertia, at this time, the pressure of vehicle acceleration or deceleration is concentrated in the fragile neck and head of human body, and the headrest plays a buffering role to protect the head of human body.The automobile safety headrest is divided into fixed type and movable type, wherein, in movable headrest, the headrest bolt and the connecting place of seat back skeleton are usually provided with headrest guide sleeve.

[0003] In prior art, the automobile headrest guide sleeve, when being used for a long time, the dirt and sweat produced in daily use of user can be adsorbed on the surface of guide sleeve, thereby increasing the cleaning burden of user, and if the top of guide sleeve is exposed outside, it can be contacted with external objects in use process, thereby possibly producing scratch marks, and even damage. UTILITY MODEL CONTENTS

[0004] The utility model mainly provides a kind of high stable comfortable guide sleeve of convenient improvement cleaning efficiency, prevent guide sleeve damage.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: high stable comfortable guide sleeve, comprising: guide sleeve body, the connecting groove is opened in the outer wall of guide sleeve body, the protective shell is arranged at the top of guide sleeve body, the placing block is fixedly installed on the outer wall of protective shell, the limit slot is opened in the bottom of placing block, the first threaded hole is penetrated and opened in the inner wall of limit slot, the first threaded rod is screw-connected in the first threaded hole, the connecting block is movably connected at one end of first threaded rod, the first handle is fixedly installed at the end, away from connecting block, of first threaded rod, the second threaded hole is penetrated and opened in the top of protective shell, the second threaded rod is screw-connected in the second threaded hole, the second handle is fixedly installed at the top of second threaded rod, the fixed block is fixedly installed at the bottom of second threaded rod, the unlocking button is arranged at the top of guide sleeve body, and the fixed slot is opened in the top of unlocking button.

[0006] Preferably, the storage groove is opened in the inner wall of unlocking button, the spring is fixedly installed on the inner wall of storage groove, the clamping block is fixedly installed at one end of spring, the connecting rod is fixedly installed at the end, close to spring, of clamping block, and the pull plate is fixedly installed at one end of connecting rod and penetrates unlocking button, the worker pulls pull plate, pull plate drives clamping block into storage groove through connecting rod, and spring is compressed.

[0007] Preferably, the headrest rod is slidably arranged in the guide sleeve body, a plurality of uniformly distributed clamping grooves are formed in the outer wall of the headrest rod, and the inner wall of the clamping groove is attached to the outer wall of the clamping block.

[0008] Preferably, the two positioning blocks are fixedly arranged at the top of the guide sleeve body, positioning grooves are formed in the outer wall of the positioning block, and the one end of the unlocking button is fixedly provided with two positioning rods for positioning and preventing the unlocking button from deviating from the position.

[0009] Preferably, the bottom of the protective shell is provided with an opening for facilitating the passing of the connecting rod.

[0010] Preferably, a plurality of uniformly distributed ribs are fixedly arranged on the inner wall of the guide sleeve body, so that the headrest rod is more compact when in contact with the inner wall of the guide sleeve body, the assembly is more compact, the stability is enhanced, and the headrest rod can be prevented from rotating in the guide sleeve body to a certain extent.

[0011] Preferably, the outer wall of the connecting block is attached to the inner wall of the limiting groove, so that the connecting block is prevented from rotating when the first threaded rod rotates.

[0012] Compared with the prior art, the advantages and positive effects of the utility model lie in that,

[0013] 1. In the utility model, when installing, the staff puts the protective shell on the top of the guide sleeve body, rotates the first handle, drives the first threaded rod to rotate, makes the first threaded rod move along the first threaded hole, the connecting block enters the connecting groove, at this time, the outer wall of the connecting block is attached to the inner wall of the connecting groove, so that the installation is completed, then the staff rotates the second handle, the second threaded rod descends, the fixing block enters the fixing groove, at this time, the unlocking button is fixed, at this time, the protective shell can play a protective role on the guide sleeve body.

[0014] 2. In the utility model, when adjusting the height of the headrest rod, the staff pulls the pull plate, the pull plate drives the clamping block to enter the storage groove through the connecting rod, and the spring is compressed, then the staff pulls the headrest rod to adjust the height of the headrest rod, when the adjustment is completed, the staff releases the pull plate, the elastic force of the spring drives the clamping block to enter the clamping groove, so that the adjustment is completed, and the height of the headrest rod can be freely adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model proposes the whole perspective drawing of high stability comfortable type guide sleeve;

[0016] Figure 2 The utility model proposes the guide sleeve body sectional view of high stability comfortable type guide sleeve;

[0017] Figure 3The utility model provides a high stable comfortable type guide sleeve's protection shell section view;

[0018] Figure 4 The utility model provides a high stable comfortable type guide sleeve's guide sleeve body perspective drawing;

[0019] Figure 5 The utility model provides a high stable comfortable type guide sleeve's unlocking button section view;

[0020] Figure 6 The utility model provides a high stable comfortable type guide sleeve's guide sleeve body another visual angle perspective drawing.

[0021] Legend: 1, guide sleeve body, 2, headrest rod, 3, clamping groove, 4, protection shell, 5, placing block, 6, limiting groove, 7, connecting groove, 8, first threaded rod, 9, first handle, 10, connecting block, 11, opening, 12, first threaded hole, 13, second threaded hole, 14, second threaded rod, 15, fixed block, 16, second handle, 17, unlocking button, 18, rib, 19, storage groove, 20, spring, 21, clamping block, 22, connecting rod, 23, pull plate, 24, fixed groove, 25, positioning rod, 26, positioning block, 27, positioning groove. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below with the help of drawings and examples. It should be explained that the embodiment of the application and the features in the embodiment can be combined with each other without conflict.

[0023] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiment disclosed in the following disclosure.

[0024] Please refer to Figures 1-6The utility model provides a technical scheme: high stable comfortable guide sleeve, include: guide sleeve body 1, the connecting groove 7 is seted up to guide sleeve body 1 outer wall, the protective housing 4 is seted up to guide sleeve body 1 top, the placing block 5 is fixedly installed to protective housing 4 outer wall, the limit slot 6 is seted up to placing block 5 bottom, the first threaded hole 12 is passed through and is seted up to limit slot 6 inner wall, the first threaded rod 8 is screw threadedly connected in first threaded hole 12, the first threaded rod 8 one end swing joint has the connecting block 10, the first threaded rod 8 the end away from the connecting block 10 is fixedly installed with first handle 9, the second threaded hole 13 is passed through and is seted up to protective housing 4 top, the second threaded rod 14 is screw threadedly connected in second threaded hole 13, the second threaded rod 14 top is fixedly installed with second handle 16, the fixed block 15 is fixedly installed to second threaded rod 14 bottom, the unlocking button 17 is seted up to guide sleeve body 1 top, the fixed slot 24 is seted up to unlocking button 17 top.

[0025] As Figure 5 The inner wall of the unlocking button 17 is provided with a storage groove 19, the spring 20 is fixedly installed on the inner wall of the storage groove 19, one end of the spring 20 is fixedly installed with a clamping block 21, one end of the clamping block 21 close to the spring 20 is fixedly installed with a connecting rod 22, one end of the connecting rod 22 is fixedly installed with a pull plate 23, the staff pulls the pull plate 23, the pull plate 23 drives the clamping block 21 into the storage groove 19 through the connecting rod 22, and the spring 20 is compressed.

[0026] As Figure 1 The headrest rod 2 is slidably installed in the guide sleeve body 1, a plurality of evenly distributed clamping grooves 3 are formed on the outer wall of the headrest rod 2, the inner wall of the clamping groove 3 is in close contact with the outer wall of the clamping block 21, and when the clamping block 21 enters the clamping groove 3, the headrest rod 2 can be fixed.

[0027] As Figure 5 And Figure 6 Two positioning blocks 26 are fixedly installed on the top of the guide sleeve body 1, a positioning groove 27 is formed on the outer wall of the positioning block 26, and two positioning rods 25 are fixedly installed at one end of the unlocking button 17 for positioning to prevent the unlocking button 17 from deviating from position.

[0028] As Figure 3 An opening 11 is formed on the bottom of the protective housing 4 for the passage of the connecting rod 22.

[0029] As Figure 4 A plurality of evenly distributed rib strips 18 are fixedly installed on the inner wall of the guide sleeve body 1, so that the headrest rod 2 is more compact when in contact with the inner wall of the guide sleeve body 1, and the assembly is more compact, thereby enhancing stability, and due to the rib strips 18, the headrest rod 2 can also be prevented from rotating in the guide sleeve body 1 to a certain extent.

[0030] As Figure 2As shown, the outer wall of the connecting block 10 is in close contact with the inner wall of the limiting groove 6, preventing the connecting block 10 from rotating when the first threaded rod 8 rotates.

[0031] The method of using and working principle of the device: when installing, the workers insert the two positioning rods 25 into the positioning grooves 27 respectively, then the workers put the protective shell 4 on the top of the guide sleeve body 1, rotate the first handle 9, the first handle 9 drives the first threaded rod 8 to rotate, so that the first threaded rod 8 moves along the first threaded hole 12, the connecting block 10 enters the connecting groove 7, at this time the outer wall of the connecting block 10 is in close contact with the inner wall of the connecting groove 7, so the installation is completed, then the workers rotate the second handle 16, the second threaded rod 14 descends, the fixing block 15 enters the fixing groove 24, at this time the unlocking button 17 can be fixed, at this time the protective shell 4 can play a protective role on the guide sleeve body 1. When disassembling, the workers rotate the first handle 9 in the opposite direction, the connecting block 10 leaves the connecting groove 7, at this time the protective shell 4 can be removed. When adjusting the height of the headrest rod 2, the workers pull the pull plate 23, the pull plate 23 drives the clamping block 21 to enter the storage groove 19 through the connecting rod 22, the spring 20 is compressed, then the workers pull the headrest rod 2 to adjust the height of the headrest rod 2, when the adjustment is completed, the workers release the pull plate 23, the elastic force of the spring 20 pushes the clamping block 21 to enter the clamping groove 3, so the adjustment is completed, which is convenient for freely adjusting the height of the headrest rod 2.

[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A high stability and comfort guide bush, characterized in that, Include: The guide sleeve body (1), the connecting groove (7) is set up in the outer wall of the guide sleeve body (1), the protective shell (4) is arranged at the top of the guide sleeve body (1), the placing block (5) is fixedly installed on the outer wall of the protective shell (4), the limiting groove (6) is set up in the bottom of the placing block (5), the first threaded hole (12) is set up in the inner wall of the limiting groove (6), the first threaded rod (8) is screw connected in the first threaded hole (12), the first threaded rod (8) is movably connected with the connecting block (10) at one end, the first handle (9) is fixedly installed on the end of the first threaded rod (8) away from the connecting block (10), the second threaded hole (13) is set up in the top of the protective shell (4), the second threaded rod (14) is screw connected in the second threaded hole (13), the second handle (16) is fixedly installed on the top of the second threaded rod (14), the fixed block (15) is fixedly installed on the bottom of the second threaded rod (14), the unlocking button (17) is arranged at the top of the guide sleeve body (1), the fixed groove (24) is set up in the top of the unlocking button (17).

2. The high stability and comfort guide bush as claimed in claim 1, wherein: The storage groove (19) is set up in the inner wall of the unlocking button (17), the spring (20) is fixedly installed on the inner wall of the storage groove (19), the clamping block (21) is fixedly installed on one end of the spring (20), the connecting rod (22) is fixedly installed on the end of the clamping block (21) close to the spring (20), the connecting rod (22) is fixedly installed with the pull plate (23) on one end and penetrates the unlocking button (17).

3. The high stability and comfort guide sleeve according to claim 1, characterized in that: The headrest rod (2) is slidably installed in the guide sleeve body (1), a plurality of evenly distributed clamping grooves (3) are set up in the outer wall of the headrest rod (2).

4. The high stability and comfort guide sleeve according to claim 2, characterized in that: The two positioning blocks (26) are fixedly installed on the top of the guide sleeve body (1), the positioning groove (27) is set up in the outer wall of the positioning block (26), the two positioning rods (25) are fixedly installed on one end of the unlocking button (17).

5. The high stability and comfort guide sleeve according to claim 2, wherein: The opening (11) is set up in the bottom of the protective shell (4).

6. The high stability and comfort guide sleeve according to claim 1, wherein: The plurality of evenly distributed ribs (18) are fixedly installed on the inner wall of the guide sleeve body (1).

7. The high stability and comfort guide sleeve according to claim 1, wherein: The outer wall of the connecting block (10) is fitted with the inner wall of the limiting groove (6).

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